CN111509162A - Circuit board, battery, power module and aircraft - Google Patents

Circuit board, battery, power module and aircraft Download PDF

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Publication number
CN111509162A
CN111509162A CN202010397303.7A CN202010397303A CN111509162A CN 111509162 A CN111509162 A CN 111509162A CN 202010397303 A CN202010397303 A CN 202010397303A CN 111509162 A CN111509162 A CN 111509162A
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CN
China
Prior art keywords
battery
circuit board
electrical connection
aircraft
connection terminal
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Granted
Application number
CN202010397303.7A
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Chinese (zh)
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CN111509162B (en
Inventor
胡海
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Fangyi Beijing Technology Co ltd
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Fangyi Beijing Technology Co ltd
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Priority to CN202010397303.7A priority Critical patent/CN111509162B/en
Publication of CN111509162A publication Critical patent/CN111509162A/en
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Publication of CN111509162B publication Critical patent/CN111509162B/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Abstract

The invention relates to a circuit board, a battery, a power supply module and an aircraft. The power supply module (50) comprises a circuit board (10) and a battery (20), wherein at least two first electric connecting terminals (31) are arranged on one of the circuit board (10) and the battery (20), at least one second electric connecting terminal (32) matched with the at least two first electric connecting terminals (31) is arranged on the other one of the circuit board (10) and the battery (20), and the first electric connecting terminals (31) are matched with the second electric connecting terminals (32) to enable the battery (20) to be connected with the circuit board (10) in a plugging and unplugging mode. Through the technical scheme, when the battery is plugged, the battery and the circuit board are favorably and directionless plugged, and double-sided plugging of the battery on the circuit board is realized. The battery and the circuit board are electrically connected under the condition that the plugging direction of the battery is not considered, so that the battery is convenient to install, and the user experience can be improved.

Description

Circuit board, battery, power module and aircraft
Technical Field
The invention relates to the field of aircrafts, in particular to a circuit board, a battery, a power supply module and an aircraft.
Background
In the power supply module of the aircraft (such as the flapping wing aircraft) provided by the related art, the circuit board adopts a single socket design, and the battery adopts a single plug design. That is, a socket is provided only on one of the sides of the circuit board, and a plug for mating with the socket is provided on the battery. When the batteries are plugged, the batteries can be connected with the circuit board only by plugging in a specific direction, and the batteries and the circuit board can be electrically connected to supply power for the aircraft normally. In actual operation, if the user does not distinguish the plugging direction of the battery, the plug cannot be normally butted with the socket, the aircraft cannot be normally powered, certain trouble can be caused to the user, and the user experience is influenced.
Disclosure of Invention
The invention aims to provide a circuit board, a battery, a power supply module and an aircraft. In this power supply module, it is allowed to electrically connect the battery to the circuit board regardless of the insertion direction of the battery.
In order to achieve the above object, the present invention provides a power supply module, which includes a circuit board and a battery, wherein one of the circuit board and the battery is provided with at least two first electrical connection terminals, and the other one of the circuit board and the battery is provided with at least one second electrical connection terminal respectively matched with the at least two first electrical connection terminals, and the first electrical connection terminals are matched with the second electrical connection terminals so that the battery is connected with the circuit board in a plug-in manner.
Optionally, at least two first electrical connection terminals are provided on the circuit board, and at least one second electrical connection terminal is provided on the battery.
Optionally, the circuit board has an a surface and a B surface which are opposite to each other, at least one first electrical connection terminal is disposed on each of the a surface and the B surface, and a projection of the first electrical connection terminal on the a surface on the B surface along a normal direction of the a surface coincides with the first electrical connection terminal on the B surface.
Optionally, the battery has opposite a1 faces, a B1 faces, and an end face located between the a1 and B1 faces, one said second electrical connection terminal being located on said end face and closer to one of the a1 and B1 faces than the other.
Optionally, at least one second electrical connection terminal is disposed on the circuit board, and at least two first electrical connection terminals are disposed on the battery, wherein at least two first electrical connection terminals are located on the same surface of the battery, or at least two first electrical connection terminals are located on different surfaces of the battery, respectively.
Optionally, one of the first electrical connection terminal and the second electrical connection terminal is a socket, and the other is a plug.
Optionally, a clamping rib for clamping and matching with the device to be powered is arranged on the battery.
Optionally, the battery includes core portion, the lid is established the housing of electric core portion one end, first electric connection terminal or second electric connection terminal set up in cover and with electric core portion electricity is connected, the card muscle sets up cover is last.
According to another aspect of the present invention, a circuit board is provided, wherein the circuit board is the circuit board described above.
According to another aspect of the present invention, there is provided a battery, which is the above battery.
According to an aspect of the invention, an aircraft is provided, comprising the aircraft body and the above-mentioned power supply module.
Optionally, the circuit board is mounted to the aircraft body, the circuit board and the battery are arranged along a length direction of the aircraft, and a central axis of the circuit board and a central axis of the battery along the length direction of the aircraft respectively coincide with a central axis of the aircraft along the length direction.
Optionally, the aircraft main part has the battery and holds the chamber, be provided with on the aircraft and prevent the battery is followed the backstop structure that the length direction of aircraft main part drops, backstop structure includes base and stop part, the base install in aircraft main part or with aircraft main part integrated into one piece the battery is pegged graft behind the circuit board, the one end of stop part with the base locking, the other end stretch into to the battery holds the intracavity, in order to prevent the battery follows under the exogenic action the battery holds the intracavity and withdraws from.
Optionally, the base has a cylindrical portion, a guide groove extending through the cylindrical portion in an axial direction of the cylindrical portion is formed on an inner wall of the cylindrical portion, a clamp groove extending along a circumferential direction of the cylindrical portion and communicating with the guide groove is further formed on the inner wall of the cylindrical portion, the stopper includes a pin section for stopping the battery, and a pin head portion connected to one end of the pin section, the pin head portion has a clamping portion extending in a radial direction thereof for fitting with the guide groove and the clamp groove, and the clamping portion can be switched from one of the guide groove and the clamp groove to the other by operating the stopper.
Through the technical scheme, due to the fact that the at least two first electric connecting terminals and the at least one second electric connecting terminal are arranged in the inserting and connecting matching mode, when the battery is inserted, the battery and the circuit board can be inserted in a non-directional mode, and double-sided inserting of the battery on the circuit board is achieved. The battery and the circuit board are electrically connected under the condition that the plugging direction of the battery is not considered, so that the battery is convenient to install, and the user experience can be improved.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic front view of a power module according to an embodiment of the present invention with a battery plugged into a circuit board;
fig. 2 is a schematic top view of a power supply module according to an embodiment of the present invention, wherein the a1 side of the battery is located on the same side as the a side of the circuit board when the battery is plugged with the circuit board;
fig. 3 is a schematic top view of a power supply module according to an embodiment of the present invention, wherein the side B1 of the battery is located on the same side as the side a of the circuit board when the battery is plugged with the circuit board;
FIG. 4 is a schematic right view of a circuit board according to one embodiment of the invention;
fig. 5 is a schematic front view of a battery according to an embodiment of the present invention.
Fig. 6 is a left side schematic view of a battery according to an embodiment of the present invention.
FIG. 7 is a schematic cross-sectional view of an aircraft along a length direction showing a power module according to one embodiment of the invention;
FIG. 8 is a schematic diagram of the placement of a power supply module on an aircraft according to one embodiment of the invention;
FIG. 9 is a schematic front view of an aft structure of an aircraft with no battery installed in the battery receiving cavity and with no stops shown, according to one embodiment of the invention;
FIG. 10 is a schematic top view of an aft structure of an aircraft with no battery installed in the battery receiving cavity, according to one embodiment of the invention;
FIG. 11 is a schematic top view of an aft structure of an aircraft with a battery receiving cavity mounting a battery in accordance with an embodiment of the invention;
FIG. 12 is a schematic front view of an aft structure of an aircraft with a battery receiving cavity mounting a battery and showing a stop in accordance with an embodiment of the invention;
FIG. 13 is a schematic illustration of a partial structure of an aircraft according to an embodiment of the invention, in which a stop structure is shown;
fig. 14 is a schematic cross-sectional view of a stop structure of an aircraft according to an embodiment of the invention.
Description of the reference numerals
100-aircraft, 10-circuit board, 11-A surface, 12-B surface, 20-battery, 21-A1 surface, 22-B1 surface, 23-battery core part, 24-cover cap, 25-end surface, 31-first electric connecting terminal, 32-second electric connecting terminal, 40-aircraft body, 50-power supply module, 60-battery accommodating cavity, 71-clamping rib, 72-clamping groove, 80-stop structure, 81-base, 810-cylindrical part, 811-guide groove, 812-clamping groove, 82-stop, 821-pin column section, 822-pin head part, 823-clamping part, 824-operating part and L-central axis of aircraft in length direction.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The use of directional terms such as "upper, lower, left, right, front, rear" and the like in the present invention is intended to facilitate the description of the relative positional relationship between the referenced parts or elements, and is not intended to indicate or imply that the referenced parts or elements must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the present invention.
Unless otherwise stated, the use of directional terms such as "up, down, left, right, front, and back" is generally relative to the normal flight condition of the aircraft 100 (e.g., flapping wing aircraft), and specifically, during normal flight of the aircraft 100, the direction toward the sky is "up", the direction toward the ground is "down", the direction toward the nose of the aircraft 100 is "forward", the direction toward the tail of the aircraft 100 is "back", the direction toward the left wing of the aircraft 100 is "left", and the direction toward the right wing of the aircraft 100 is "right"; further, "length direction" refers to "front-rear direction" of the aircraft 100, "width direction" refers to "left-right direction" of the aircraft 100, and "height direction" refers to "up-down direction" of the aircraft 100. The terms "inside" and "outside" refer to the inside and the outside of the relevant parts.
Furthermore, terms such as "first," "second," and the like, are used herein to distinguish one element from another, and are not necessarily sequential or significant.
As shown in fig. 1 to 14, the present invention provides a power supply module 50, the power supply module 50 includes a circuit board 10 and a battery 20, at least two first electrical connection terminals 31 are disposed on one of the circuit board 10 and the battery 20, at least one second electrical connection terminal 32 respectively matched with the at least two first electrical connection terminals 31 is disposed on the other one of the circuit board 10 and the battery 20, and the first electrical connection terminals 31 are matched with the second electrical connection terminals 32 to connect the battery 20 and the circuit board 10 in a plug-in manner, so as to electrically connect the battery 20 and the circuit board 10.
Wherein, optionally, one of the first electrical connection terminal 31 and the second electrical connection terminal 32 may be a socket, and the other one may be a plug, so as to facilitate the quick plugging and unplugging of the battery 20 and the circuit board 10.
Through the technical scheme, due to the fact that the at least two first electric connecting terminals 31 and the at least one second electric connecting terminal 32 are arranged in a plugging matching mode, when the battery 20 is plugged, the battery 20 and the circuit board 10 are favorably plugged in a non-directional mode, the battery 20 is allowed to be electrically connected with the circuit board 10 under the condition that the plugging direction of the battery 20 is not considered, and user experience can be improved while the battery 20 is convenient to install.
For example, in the embodiment shown in fig. 1 to 3, the a-side 11 and the B-side 12 of the circuit board 10 are respectively provided with a first electrical connection terminal 31 (e.g., socket) and the battery 20 is provided with a second electrical connection terminal 32 (e.g., plug). When the battery 20 is mounted, as shown in fig. 2, if the a1 side 21 of the battery 20 is inserted in the direction in which the a side 11 of the circuit board 10 is located on the same side, the second electrical connection terminal 32 of the battery 20 is inserted in one of the first electrical connection terminals 31 of the circuit board 10, and the electrical connection between the battery 20 and the circuit board 10 is achieved. As shown in fig. 3, if the battery 20 is inserted in the direction that the side 22B 1 of the battery 20 is located on the same side as the side 11 a of the circuit board 10, the second electrical connection terminal 32 of the battery 20 is inserted into the other first electrical connection terminal 31 of the circuit board 10, and the normal power supply of the battery 20 to the circuit board 10 can also be realized. Thus, a double-sided insertion of the battery 20 onto the circuit board 10 can be achieved.
Here, for the sake of convenience of description, only an embodiment in which the circuit board 10 is provided with two first electrical connection terminals 31 and the battery 20 is provided with one second electrical connection terminal 32 is illustrated and enumerated.
In other embodiments, the circuit board 10 may be provided with one second electrical connection terminal 32 and the battery 20 may be provided with two first electrical connection terminals 31. For example, corresponding to fig. 2 and 3 of the foregoing embodiment, the second electrical connection terminal 32 may be provided on the a-side 11 (or also the B-side 12) of the circuit board 10, one of the two first electrical connection terminals 31 may be provided on the a 1-side 21 of the battery 20, and the other may be provided on the B1-side 22 of the battery 20. In this manner, when the battery 20 is mounted, if it is inserted in a direction in which the a1 side 21 of the battery 20 is located on the same side as the a side 11 of the circuit board 10, one of the first electrical connection terminals 31 of the battery 20 is inserted in the second electrical connection terminal 32 of the circuit board 10. If the battery 20 is plugged in the direction in which the side B1 22 of the battery 20 is on the same side as the side a 11 of the circuit board 10, the other first electrical connection terminal 31 of the battery 20 is plugged in the second electrical connection terminal 32 of the circuit board 10, so that a double-sided plugging of the battery 20 is achieved.
Furthermore, in other embodiments, the circuit board 10 may be provided with a plurality of first electrical connection terminals 31, such as 3, 4, 5, etc., and the battery 20 may be provided with a plurality of second electrical connection terminals 32, such as 3, 4, 5, etc. In this way, the second electrical connection terminal 32 of the battery 20 can be selectively plugged with the first electrical connection terminal 31 of the circuit board 10 as needed to achieve a non-directional plugging of the battery 20 with the circuit board 10.
In one embodiment, as shown in fig. 2 and 3, the circuit board 10 is provided with at least two first electrical connection terminals 31 and the battery 20 is provided with at least one second electrical connection terminal 32. The circuit board 10 is bulky and has a large surface size with respect to the battery 20, facilitating the arrangement of more electrical connection terminals. Especially in the case where the first electrical connection terminal 31 is a socket, two sockets are provided on the circuit board 10, which is advantageous to reduce the difficulty of processing to some extent compared to the case where two sockets are provided on the battery 20.
Here, the two first electrical connection terminals 31 may be coplanar with each other on the circuit board 10 or may be located on different planes, which is not limited by the present invention.
In one embodiment, as shown in fig. 3, the circuit board 10 may have an a surface 11 and a B surface 12 opposite to each other, at least one first electrical connection terminal 31 (e.g., a socket) is disposed on each of the a surface 11 and the B surface 12, that is, the number of the first electrical connection terminals 31 is at least two, and a projection of the first electrical connection terminal 31 on the a surface 11 on the B surface 12 along a normal direction of the a surface 11 coincides with the first electrical connection terminal 31 on the B surface 12, that is, the first electrical connection terminals 31 on the a surface 11 and the B surface 12 are symmetrically disposed on the circuit board 10.
Such a symmetrical arrangement is advantageous in that, on the one hand, it is advantageous to improve the aesthetic appearance of the product, and, on the other hand, when the power supply module 50 is applied to an aircraft, for example, an ornithopter, on the basis of the ornithopter principle, the center of gravity is critical for balanced flight, and particularly, for a micro ornithopter, a slight deviation of the center of gravity may cause a left-right deviation of the flight or even an inability to take off.
It should be noted that, in other embodiments, the at least two first electrical connection terminals 31 may also be asymmetrically disposed on the a-side 11 and the B-side 12 of the circuit board 10, which is not limited by the present invention.
Furthermore, in other embodiments, referring to fig. 3, at least two first electrical connection terminals 31 may be provided on one of the a-side 11 and the B-side 12 of the circuit board 10, i.e., the first electrical connection terminals 31 are provided on one of the a-side 11 or the B-side 12 alone.
The present invention is not limited to the specific shape of the battery 20. In one embodiment, as shown in fig. 3, 5 and 6, the battery 20 has opposing a1 faces 21, B1 faces 22, and an end face 25 between a1 face 21 and B1 face 22, a second electrical connection terminal 32 being located on the end face 25 closer to one of the a1 face 21 and B1 face 22 than the other. That is, in the present embodiment, the second electrical connection terminal 32 is offset on the end surface 25. In one embodiment, as shown in fig. 3, the second electrical connection terminal 32 is located on the end face 25 and is disposed closer to the a1 face 21 than the B1 face 22. It will be appreciated that in other embodiments, as illustrated with reference to figure 3, the second electrical connection terminal 32 is located on the end face 25 and is disposed closer to the B1 face 22 than to the a1 face 21.
In view of the small thickness dimension of the circuit board 10, the first electrical connection terminal 31 is not generally disposed on the end surface of the circuit board 10, but is disposed directly (e.g., soldered) on two side surfaces, such as the a surface 11 and the B surface 12 shown in fig. 3. for this reason, the arrangement in which the second electrical connection terminal 32 is offset on the end surface 25 is advantageous in ensuring that the longitudinal center axis of the battery 20 coincides with the longitudinal center axis L of the aircraft 100 as much as possible when the power supply module 50 is applied to the aircraft 100, as shown in fig. 8, thereby advantageously reducing the influence of the battery 20 on the flight balance of the aircraft 100.
The above specifically describes the solution in which at least two first electrical connection terminals 31 (sockets) are provided on the circuit board 10 and at least one second electrical connection terminal 32 (plug) is provided on the battery 20. As can be seen from the above, in other embodiments, the second electrical connection terminal 32 may be provided on the circuit board 10, and the first electrical connection terminal 31 may be provided on the battery 20. Specifically, at least one second electrical connection terminal 32 is provided on the circuit board 10, and at least two first electrical connection terminals 31 are provided on the battery 20. Wherein the at least two first electrical connection terminals 31 are located on the same face of the battery 20, or the at least two first electrical connection terminals 31 are located on different faces of the battery 20, respectively, to provide the corresponding first electrical connection terminals 31 at appropriate positions according to different shapes of the battery 20.
Here, by the at least two first electrical connection terminals 31 of the battery 20 cooperating with the at least one second electrical connection terminal 32 of the circuit board 10, a non-directional plugging of the battery 20 with the circuit board 10 is facilitated when the battery 20 is mounted.
In order to prevent the battery 20 and the circuit board 10 from falling off accidentally and ensure the stability of installation on the device to be powered and the reliability of electrical connection with the circuit board 10 after the battery 20 is plugged, in one embodiment, as shown in fig. 2, 3 and 6, a clamping rib 71 for clamping and matching with the device to be powered is arranged on the battery 20. For example, the device to be powered is the aircraft 100, and when the power supply module 50 is applied to the aircraft 100, a structure (for example, a card slot 72 shown in fig. 10 and 11) which is matched with the card rib 71 may be provided at a corresponding position of the aircraft 100 to be matched and clamped with the card rib 71, so as to achieve the limit locking of the battery 20, thereby ensuring the stability of the installation of the battery 20 on the aircraft 100 and the reliability of the electrical connection with the circuit board 10.
As noted above, the battery 20 may have any suitable shape, for example, a rectangular parallelepiped, cylindrical, or other shaped battery (e.g., a triangular shaped battery). In one embodiment, as shown in fig. 5 and 6, the battery 20 is generally rectangular parallelepiped in configuration. The battery 20 may include a core portion 23, a cover 24 covering one end of the core portion 23, and a first electrical connection terminal 31 or a second electrical connection terminal 32 disposed on the cover 24 and electrically connected to the core portion 23. The clamping rib 71 may be disposed on the cover 24, the a1 surface 21 and the B1 surface 22 may be two opposite surfaces of the cover 24, respectively, and the clamping rib 71 may be located on the a1 surface 21 or the B1 surface 22.
In the present embodiment, the cell portion 23 may be a lithium battery cell, and the positive electrode and the negative electrode of the cell portion 23 are connected to a second electrical connection terminal 32 (e.g., a plug), and the plug is fixed by the cover 24 and penetrates through the through hole of the cover 24. Optionally, the cover 24 may be made of plastic to reduce the weight of the battery 20.
In other embodiments, the snap rib 71 may be provided on the housing of the cell part 23. The invention is not limited in this regard.
According to another aspect of the present invention, a circuit board 10 is provided, where the circuit board 10 is the above circuit board 10.
According to another aspect of the present invention, a battery 20 is provided, wherein the battery 20 is the battery 20 described above.
According to a further aspect of the invention, an aircraft 100 is provided, as shown in fig. 7 and 8, the aircraft 100 comprising an aircraft body 40 and a power supply module 50 as described above. Alternatively, the aircraft 100 may be an ornithopter.
Wherein the circuit board 10 is mountable to the aircraft body 40. For example, circuit board receiving cavities may be provided on aircraft body 40 and corresponding securing structures provided to allow circuit board 10 to be securely mounted on aircraft 100.
The circuit board 10 and the battery 20 may be arranged along the length of the aircraft 100, and when the battery 20 is mounted in place, the central axes of the circuit board 10 and the battery 20 along the length of the aircraft 100 coincide with the central axis L along the length of the aircraft 100, respectively.
The a-side 11 and the B-side 12 of the circuit board 10 are the sides of the circuit board 10 located on the longitudinal center plane in the longitudinal direction of the aircraft 100, respectively, and at least one first electrical connection terminal 31 is disposed on each of the a-side 11 and the B-side 12 or at least one second electrical connection terminal 32 is disposed on each of the a-side 11 and the B-side 12.
For the aircraft 100, particularly for a micro ornithopter, a slight deviation of the center of gravity in the left-right direction may cause the flight to be deviated left, right, or even unable to take off. In the present embodiment, when the structures such as the first electrical connection terminal 31 or the second electrical connection terminal 32 are arranged on the circuit board 10, since the circuit board 10 is arranged vertically (in the aircraft height direction), it is advantageous to reduce the size of the circuit board 10 in the aircraft left-right direction, thereby contributing to reduce the influence of the structures such as the electrical connection terminals on the circuit board 10 on the flight balance of the aircraft 100.
Optionally, the specific number of the first electrical connection terminals 31 or the second electrical connection terminals 32 is two, and the two first electrical connection terminals 31 or the two second electrical connection terminals 32 are symmetrically arranged on the circuit board 10 with respect to the longitudinal plane of the aircraft length direction, so as to further reduce the influence of the first electrical connection terminals 31 or the second electrical connection terminals 32 on the flight balance of the aircraft 100.
In order to ensure the stability of the installation of the battery 20 on the aircraft 100 and the reliability of the electrical connection with the circuit board 10, in one embodiment, the flapping wing aircraft 100 is provided with a clamping structure for locking the battery 20, and the clamping structure prevents the battery 20 from moving relative to the aircraft main body 40 after the battery 20 is installed in place (the battery 20 is in the position of being plugged into the circuit board 10), so that the battery 20 is prevented from being displaced or even falling off from the aircraft main body 40 during the flight.
The invention is not limited to the specific structure of the clamping structure. In one embodiment, as shown in fig. 7, 9 and 10, the aircraft body 40 is provided with a battery accommodating cavity 60 at the rear part, and the battery 20 can be inserted into or pulled out of the battery accommodating cavity 60 reserved on the aircraft body 40. In one embodiment, the snap structure includes a snap rib 71 disposed on one of the battery 20 or the battery receiving cavity 60 and a snap groove 72 disposed on the other. When the battery 20 is mounted in place, the locking rib 71 is tightly fitted in the locking groove 72 to lock the battery 20. The clamping structure formed by the clamping ribs 71 and the clamping grooves 72 is easy to operate while the locking reliability is ensured. The locking matching of the clamping rib 71 and the clamping groove 72 can be completed in the plugging action of the battery 20 and the circuit board 10, namely, the locking is realized when the battery 20 is plugged in place, the unlocking is realized when the battery 20 is pulled out, and the operation steps are simplified. In addition, the clamping structure formed by the clamping rib 71 and the clamping groove 72 also has the advantages of simple structure and easy processing.
In one embodiment, as shown in fig. 10 and 11, the card slot 72 is provided on a side wall of the battery receiving cavity 60 and extends in the height direction of the aircraft 100. Generally, since the battery 20 is most easily displaced in the longitudinal direction of the aircraft 100, in the present embodiment, the extending direction of the card slot 72 is specially designed to be perpendicular to the longitudinal direction of the aircraft 100, so as to better perform limit locking on the card rib 71 on the battery 20 in the longitudinal direction of the aircraft 100, thereby avoiding displacement of the battery 20 in the longitudinal direction of the aircraft 100, and improving the limit effect.
In one embodiment, as shown in fig. 2, 3 and 10, a rib 71 is disposed on the a-surface 21 of the battery 20, and a slot 72 corresponding to the rib 71 in position and structure is disposed on each of the side walls of the battery accommodating cavity 60 symmetrical with respect to the longitudinal center plane of the ornithopter. Therefore, no matter the front side or the back side of the battery 20 is inserted, the clamping rib 71 can be matched with the clamping groove 72, and only one clamping rib 71 is arranged on the battery 20, so that the weight of the battery 20 and the weight of the aircraft 100 can be reduced.
In one embodiment, as shown in fig. 12 to 14, the aircraft body 40 has a battery receiving cavity 60, and the aircraft 100 is provided with a stopper structure 80 for preventing the battery 20 from falling off along the length direction of the aircraft body 40. This backstop structure 80 includes base 81 and backstop member 82, and base 81 installs in aircraft main part 40 or with aircraft main part 40 integrated into one piece, and after battery 20 pegged graft to circuit board 10, the one end of backstop member 82 locks with base 81, and the other end stretches into in the battery holds the chamber 60 to prevent that battery 20 from withdrawing from in the battery holds the chamber 60 under the exogenic action.
In this way, the stop structure 80 can on the one hand function as a child lock. When the battery storage box is used, even if a child disconnects the electrical connection between the battery 20 and the circuit board 10 by mistake, the battery 20 cannot be taken out of the battery accommodating cavity 60, so that the situation that the battery 20 is taken out by the child to eat the battery 20 by mistake or the battery 20 is discarded at will to cause the battery 20 to be lost and the like can be avoided, and the use of the child is safer. On the other hand, the stop structure 80 can be used as a supplement to the latching structure (the latching rib 71 and the latching groove 72) to prevent the battery 20 from falling off the aircraft 100. For example, in the case of an accelerated upward flight of the aircraft 100, if the latch structure formed by the latch rib 71 and the latch groove 72 fails to lock, the battery 20 cannot be accidentally dropped from the aircraft 100 due to the presence of the stopper structure 80. Therefore, the stop structure 80 and the clamping structure cooperate to perform a double protection function, so that the risk that the battery 20 falls from high altitude can be effectively avoided.
However, after the stopper 82 is inserted into the battery accommodating chamber 60, the stopper 82 may abut against the battery 20, for example, a rear end surface of the battery 20, or may be spaced apart from the rear end surface of the battery 20 by a predetermined distance as shown in fig. 12, as long as it is ensured that the battery 20 cannot be withdrawn from the battery accommodating chamber 60 without the stopper 82 being withdrawn from the battery accommodating chamber 60.
The invention is not limited to the specific structure and shape of the base 81 and the stopper 82. In one embodiment, as shown in fig. 13, the base 81 has a cylindrical portion 810, a guide groove 811 extending through the cylindrical portion 810 in the axial direction is formed on the inner wall of the cylindrical portion 810, and a locking groove 812 extending in the circumferential direction of the cylindrical portion 810 and communicating with the guide groove 811 is further formed on the inner wall of the cylindrical portion 810.
The stopper 82 includes a pin section 821 for stopping the battery 20, and a pin head 822 connected to one end of the pin section 821, the pin head 822 having a catching portion 823 extending in a radial direction thereof for fitting with the guide groove 811 and the catching groove 812, the catching portion 823 being switchable from one of the guide groove 811 and the catching groove 812 to the other by operating the stopper 82.
After the battery 20 is installed in place, the clamping portion 823 of the stop member 82 can be inserted into the cylindrical portion 810 along the guide groove 811, and when the clamping portion 823 moves to be aligned with the clamping groove 812 in the axial direction of the stop member 82, the clamping portion 823 enters the clamping groove 812 by rotating a certain angle in the circumferential direction of the cylindrical portion 810 of the base 81, so that the stop member 82 is limited. At this time, as shown in fig. 12, the pin segment 821 of the stopper 82 is partially located in the battery accommodating chamber 60, and the battery 20 cannot be removed from the battery accommodating chamber 60 by the stopper of the pin segment 821.
When it is desired to remove the battery 20 from the aircraft 100. For example, when it is necessary to remove battery 20 for charging or replace a new battery, stopper 82 may be rotated by a certain angle along the circumferential direction of cylindrical portion 810 so that snap-fit portion 823 moves from snap-fit groove 812 into guide groove 811, and then stopper 82 may be moved along the axial direction of stopper 82 to a position where it is prevented from stopping battery 20, such as by completely withdrawing stopper 82 from base 81, at which time battery 20 may be removed from aircraft 100.
In order to improve the effect of the stopping structure 80 as a child lock, in one embodiment, as shown in fig. 14, when the clamping portion 823 is clamped in the clamping groove 812, the end surface of the pin head 822 away from the battery accommodating cavity 60 does not protrude from the end surface (the lower end surface shown in fig. 12) of the cylindrical portion 81 away from the battery accommodating cavity 60, and an operating portion 824 for engaging with a tool is disposed on the end surface (the lower end surface shown in fig. 12) of the pin head 822 away from the battery accommodating cavity 60.
Since the outer end surface of the stopper 82 is located in the cylindrical portion 81 when the stopper 82 is located at the stopping position, difficulty in knowing the locking stopper 82 is increased, and safety of the stopper 82 as the stopping structure 80 is further improved.
In one embodiment, as shown in fig. 13 and 14, the operating portion 824 may be a slot, and a slot driver may be used to engage the operating portion 824 when it is desired to unlock or lock the stopper 82. In other embodiments, the operating portion 824 may also be a slot of other shapes, such as a cross slot. In addition, the operating portion 824 may be a protrusion structure, in which case, a tool like a socket wrench may be used to match with the protrusion structure, so as to lock and unlock the stopper 82 on the base 81.
In the present invention, after the battery 20 is mounted in place, the battery 20 may be located either behind the circuit board 10 or in front of the circuit board 10. In one embodiment of the invention, as shown in fig. 7, the battery receiving cavity 60 is provided at the rear of the aircraft body 40, and after the battery 20 is mounted in place (after being electrically connected to the circuit board 10), the battery 20 is located behind the circuit board 10.
It is understood that, in other embodiments, when the battery 20 and the circuit board 10 are arranged in the left-right direction of the aircraft 100, the stopper 82 is correspondingly adjusted in position for preventing the battery 20 from falling out in the width direction of the aircraft body 40.
In another embodiment, the base 81 has an internally threaded hole, and the stopper 82 has a threaded section that is threadedly engaged with the internally threaded hole, so that the stopper 82 is movably provided on the base 81 in the axial direction of the internally threaded hole. In this way, the stopper 82 stops the battery 20 by adjusting the length of the stopper 82 extending into the battery receiving cavity 60.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims (14)

1. A power supply module is characterized by comprising a circuit board (10) and a battery (20), wherein at least two first electric connecting terminals (31) are arranged on one of the circuit board (10) and the battery (20), at least one second electric connecting terminal (32) matched with the at least two first electric connecting terminals (31) is arranged on the other one of the circuit board (10) and the battery (20), and the first electric connecting terminals (31) are matched with the second electric connecting terminals (32) to enable the battery (20) to be connected with the circuit board (10) in a plug-in mode.
2. A power supply module according to claim 1, characterized in that at least two said first electrical connection terminals (31) are provided on said circuit board (10) and at least one said second electrical connection terminal (32) is provided on said battery (20).
3. A power supply module according to claim 2, wherein the circuit board (10) has opposite a-side (11) and B-side (12), at least one first electrical connection terminal (31) is provided on each of the a-side (11) and the B-side (12), and a projection of the first electrical connection terminal (31) on the a-side (11) onto the B-side (12) along a normal direction of the a-side (11) coincides with the first electrical connection terminal (31) on the B-side (12).
4. A power supply module according to claim 3, characterized in that the battery (20) has opposite a1 faces (21), a B1 face (22), and an end face (25) located between the a1 face (21) and the B1 face (22), one said second electrical connection terminal (32) being located on the end face (25) and closer to one of the a1 face (21) and the B1 face (22) than to the other.
5. A power supply module according to claim 1, characterized in that at least one said second electrical connection terminal (32) is provided on said circuit board (10) and at least two said first electrical connection terminals (31) are provided on said battery (20), wherein at least two said first electrical connection terminals (31) are located on the same face of said battery (20) or at least two said first electrical connection terminals (31) are located on different faces of said battery (20), respectively.
6. A power supply module according to any one of claims 1-5, characterized in that one of the first electrical connection terminal (31) and the second electrical connection terminal (32) is a socket and the other is a plug.
7. A power supply module according to any one of claims 1-5, characterized in that the battery (20) is provided with a snap rib (71) for snap fit engagement with a device to be powered.
8. A power supply module according to claim 7, wherein the battery (20) includes a core portion (23), a cover (24) provided at one end of the core portion (23), the first electrical connection terminal (31) or the second electrical connection terminal (32) is provided on the cover (24) and electrically connected to the core portion (23), and the click rib (71) is provided on the cover (24).
9. A circuit board, characterized in that the circuit board (10) is a circuit board (10) according to any one of claims 1-8.
10. A battery, characterized in that the battery (20) is a battery (20) according to any one of claims 1-8.
11. An aircraft, characterized in that it comprises the aircraft body (40), a power supply module (50) according to any one of claims 1-8.
12. The aircraft of claim 11, characterized in that the circuit board (10) is mounted to the aircraft body (40), the circuit board (10) and the battery (20) are arranged along a length direction of the aircraft (100), and central axes of the circuit board (10) and the battery (20) along the length direction of the aircraft (100) coincide with a central axis (L) of the aircraft (100) along the length direction, respectively.
13. The aircraft of claim 11, wherein the aircraft body (40) has a battery accommodating cavity (60), the aircraft (100) is provided with a stopping structure (80) for preventing the battery (20) from falling off along the length direction of the aircraft body (40), the stopping structure (80) comprises a base (81) and a stopping member (82), the base (81) is mounted on the aircraft body (40) or integrally formed with the aircraft body (40), after the battery (20) is plugged into the circuit board (10), one end of the stopping member (82) is locked with the base (81), and the other end of the stopping member extends into the battery accommodating cavity (60) to prevent the battery (20) from being withdrawn from the battery accommodating cavity (60) under the action of external force.
14. The aircraft of claim 13, wherein the base (81) has a cylindrical portion (810), a guide groove (811) extending through an inner wall of the cylindrical portion (810) in an axial direction of the cylindrical portion (810) is formed on the inner wall of the cylindrical portion (810), a locking groove (812) extending in a circumferential direction of the cylindrical portion (810) and communicating with the guide groove (811) is further formed on the inner wall of the cylindrical portion (810),
the stopper (82) includes a pin section (821) for stopping the battery (20), and a pin head (822) connected to one end of the pin section (821), the pin head (822) having a catching portion (823) extending in a radial direction thereof for fitting with the guide groove (811) and the catch groove (812), the catching portion (823) being switchable from one of the guide groove (811) and the catch groove (812) to the other by operating the stopper (82).
CN202010397303.7A 2020-05-12 2020-05-12 Circuit board, battery, power supply module and aircraft Active CN111509162B (en)

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