Blue bridge device for infusion detection

Abstract

The utility model provides a blue bridge device for transfusion detection. The blue bridge device comprises a top cover, a bottom cover, a shielding plate, a control circuit board, a communication module and an interface module, wherein the bottom cover is provided with an inner concave part and an extension part, one side of the extension part is connected with the upper edge of one side of the inner concave part, and the inner concave part and the extension part are detachably connected with the top cover to form a containing cavity; the shielding plate, the control circuit board and the communication module are all arranged in the accommodating cavity; the control circuit board is detachably arranged in the circuit board fixing frame on the inner concave part, and heat dissipation holes which are formed at intervals in the direction surrounding the circuit board fixing frame are formed in the side wall of the inner concave part; through holes are formed in the shielding plate, screws penetrate through the through holes to detachably connect the inner concave part and the extending part with the top cover, and meanwhile the shielding plate is fixed and limited. By arranging the circuit board fixing frame, the control circuit board can be fixed, and the stability is high; and heat dissipation holes are formed, so that the heat dissipation performance of the device is improved, and the service life of the device is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of medical treatment and communication, and in particular to a blue bridge device for infusion detection. Background Art

[0002] The Blue Bridge device used for infusion monitoring devices is an intermediate medium used by medical infusion detection devices to transmit detection information to the background system. The infusion detection device first transmits the detection information to the Blue Bridge, and then the Blue Bridge sends it to the background system. Through the use of the Blue Bridge, the scope of use between the background system and the infusion detection device is expanded, and the flexibility of the use of the infusion detection device is enhanced.

[0003] However, the structure of the existing blue bridge used for infusion detection still has some defects, such as poor stability of the internal structure of the blue bridge and poor heat dissipation, which leads to a short service life of the device, poor actual use effect and poor user experience. Utility Model Content

[0004] In order to overcome the defects of the prior art, the utility model provides a blue bridge device for infusion detection, and the specific technical solution is as follows:

[0005] The utility model provides a blue bridge device for infusion detection, comprising: a top cover, a bottom cover, a shielding plate, a control circuit board, a communication module and an interface module;

[0006] The bottom cover has an inner recess and an extension, one side of the extension is connected to an upper edge of one side of the inner recess, and both the inner recess and the extension can be detachably connected to the top cover to form a receiving cavity; the shielding plate, the control circuit board and the communication module are all arranged in the receiving cavity;

[0007] A circuit board fixing frame is arranged in the inner concave portion, and the control circuit board is detachably arranged in the circuit board fixing frame; at least one support column is arranged on the inner wall of the inner concave portion, and one side of the support column abuts against the lower part of the control circuit board; a plurality of heat dissipation holes connecting the outside and the accommodating cavity are opened on the side wall of the inner concave portion, and the plurality of heat dissipation holes are arranged at intervals along the direction surrounding the circuit board fixing frame;

[0008] The shielding plate is located on a side of the control circuit board facing the top cover; one or at least two through holes are formed on the shielding plate; an internal thread column is provided on the inner wall of the top cover at a position corresponding to the through hole, and a support seat is provided on the inner wall of the inner recess and the inner wall of the extension at a position corresponding to the through hole, and an opening connecting the outside and the accommodating cavity is formed on the support seat; the edge of the through hole of the shielding plate abuts against the support seat, and a screw is passed through the opening and the through hole and is screwed to the internal thread column to realize a detachable connection between the top cover and the inner recess and the extension;

[0009] The communication module signal is connected to the control circuit board, and the communication module is used to communicate with external equipment; one end of the interface module is connected to the control circuit board, and the other end of the interface module is exposed on the side wall of the recessed portion connected to the extension portion for wired connection to external equipment.

[0010] In a specific embodiment, the circuit board fixing frame includes a plurality of fixing components and a plurality of stoppers, one end of which is connected to the inner wall of the inner recess;

[0011] The fixing assembly includes a fixing seat having one end connected to the inner wall of the inner recess, and a fastener; a through hole is provided on the control circuit board at a position corresponding to the fixing seat, the other end of the fixing seat abuts against the lower part of the control circuit board, one end of the fastener passes through the through hole and is detachably connected to the fixing seat, and the other end of the fastener abuts against the upper part of the control circuit board;

[0012] A plurality of the limiting members are arranged around the edge of the control circuit board, and one side of the plurality of limiting members abuts against the side wall of the control circuit board, and the other side abuts against the lower side of the edge of the control circuit board.

[0013] In a specific embodiment, at least one blocking member is further provided on a side of the side wall of the inner recess facing the accommodating cavity, and one side of the blocking member abuts against an upper side of an edge of the control circuit board.

[0014] In a specific embodiment, a snap-on piece is further provided in the inner recess, and one side of the snap-on piece is snapped to the upper portion of the shielding plate so that the edge of the through hole of the shielding plate is pressed against the support seat.

[0015] In a specific embodiment, the communication module realizes communication connection with external equipment by connecting to a wireless transceiver module; the wireless transceiver module is arranged on a side of the shielding plate facing the top cover.

[0016] In a specific embodiment, it also includes a sound unit whose signal is connected to the control circuit board; a limit frame adapted to the shape of the sound unit is provided in the recessed portion, and the sound unit is detachably installed in the limit frame; a sound-transmitting hole is provided on the side wall of the recessed portion corresponding to the position of the sound unit.

[0017] In a specific embodiment, the shape of the interconnected lines of the plurality of via holes on the shielding plate is a triangle.

[0018] In a specific embodiment, the projection of the shielding plate on the control circuit board covers the control circuit board.

[0019] In a specific embodiment, the heat dissipation holes include strip-shaped heat dissipation holes, and a plurality of the strip-shaped heat dissipation holes are arranged at equal intervals along a direction surrounding the circuit board fixing frame.

[0020] In a specific embodiment, the interface module includes an Ethernet interface, one end of the Ethernet interface is connected to the control circuit board, and the other end of the Ethernet interface is used to connect to an external device to achieve data communication and / or power transmission with the external device.

[0021] The utility model has at least the following beneficial effects:

[0022] (1) The utility model fixes and supports the control circuit board by providing a circuit board fixing frame and support columns, so that the control circuit board is not easy to move in the accommodating cavity and is not easy to be deformed and damaged by force, thereby improving the stability of the device and the service life of the control circuit board.

[0023] (2) The utility model achieves good heat dissipation effect for the control circuit board and other components by arranging a plurality of heat dissipation holes on the side wall of the inner recessed portion and arranged at intervals along the direction surrounding the circuit board fixing frame, thereby extending the service life of the device.

[0024] (3) The utility model sets a through hole on the shielding plate, through which screws are passed to connect the top cover with the inner recess and the extension, so that the structure is simple and the stability is good. And by making the through hole of the shielding plate and the support seat abut against each other, the shielding plate is supported and limited, so that the structural stability of the utility model is further improved and the user experience is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2 It is a schematic cross-sectional diagram of the overall structure of the utility model;

[0028] Figure 3 It is an exploded schematic diagram of the overall structure of the utility model from one viewing angle;

[0029] Figure 4 It is an exploded schematic diagram of the overall structure of the utility model from another perspective;

[0030] Figure 5 It is a schematic diagram of the overall structure of the bottom cover;

[0031] Figure 6 It is a structural schematic diagram of the connection between the bottom cover and the control circuit board;

[0032] Figure 7 It is a schematic diagram of the structure in which the bottom cover, the control circuit board and the shielding plate are connected.

[0033] Reference numerals:

[0034] 1-top cover; 11-internal thread column; 2-bottom cover; 21-recessed part; 211-support column; 212-heat dissipation hole; 213-blocking piece; 214-limiting frame; 215-sound-transmitting hole; 22-extension part; 3-shielding plate; 31-via hole; 32-small hole; 4-control circuit board; 41-through hole; 5-communication module; 6-interface module; 7-accommodating cavity; 8-circuit board fixing frame; 81-fixing component; 811-fixing seat; 812-fastener; 82-limiting piece; 9-support seat; 91-opening; 10-screw; 12-clip piece; 13-wireless transceiver module; 14-sound unit. DETAILED DESCRIPTION

[0035] In the following, various embodiments of the present invention will be described more fully. The present invention may have various embodiments, and adjustments and changes may be made therein. However, it should be understood that there is no intention to limit the various embodiments of the present invention to the specific embodiments disclosed herein, but rather the present invention should be understood to cover all adjustments, equivalents and / or alternatives that fall within the spirit and scope of the various embodiments of the present invention.

[0036] Hereinafter, the terms "include" or "may include" used in various embodiments of the present invention indicate the presence of disclosed functions, operations or elements, and do not limit the addition of one or more functions, operations or elements. In addition, as used in various embodiments of the present invention, the terms "include", "have" and their cognates are intended only to indicate specific features, numbers, steps, operations, elements, components or combinations of the foregoing, and should not be understood as first excluding the presence of one or more other features, numbers, steps, operations, elements, components or combinations of the foregoing or the possibility of adding one or more features, numbers, steps, operations, elements, components or combinations of the foregoing.

[0037] In various embodiments of the present invention, the expression "or" or "at least one of A or / and B" includes any combination or all combinations of the words listed at the same time. For example, the expression "A or B" or "at least one of A or / and B" may include A, may include B, or may include both A and B.

[0038] The expressions (such as "first", "second", etc.) used in the various embodiments of the present invention may modify the various components in the various embodiments, but may not limit the corresponding components. For example, the above expressions do not limit the order and / or importance of the elements. The above expressions are only used for the purpose of distinguishing one element from other elements. For example, the first user device and the second user device indicate different user devices, although both are user devices. For example, without departing from the scope of the various embodiments of the present invention, the first element may be referred to as the second element, and similarly, the second element may also be referred to as the first element.

[0039] It should be noted that in the present invention, unless otherwise clearly specified and defined, the terms "installation", "connection", "fixation" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] Please refer to Figures 1 to 7 The utility model provides a blue bridge device for infusion detection, comprising: a top cover 1, a bottom cover 2, a shielding plate 3, a control circuit board 4, a communication module 5 and an interface module 6. The bottom cover 2 has an inner recess 21 and an extension 22, one side of the extension 22 is connected to the upper edge of one side of the inner recess 21, and both the inner recess 21 and the extension 22 can be detachably connected to the top cover 1, thereby forming a housing cavity 7, and the shielding plate 3, the control circuit board 4 and the communication module 5 are all arranged in the housing cavity 7.

[0041] Specifically, a circuit board fixing frame 8 is provided in the inner recess 21, and the control circuit board 4 is detachably provided in the circuit board fixing frame 8, so that the control circuit board 4 is fixed and is not easy to move in the accommodating cavity 7, thereby improving the stability of the device. In addition, at least one support column 211 is provided on the inner wall of the inner recess 21, and one side of the support column 211 abuts against the lower part of the control circuit board 4, supporting the control circuit board 4, preventing the control circuit board 4 from being damaged by deformation due to force, further improving the stability of the device, and increasing the service life of the control circuit board 4.

[0042] Optionally, the detachable connection between the top cover 1 and the inner recess 21 and the extension 22, and the detachable connection between the control circuit board 4 and the circuit board fixing frame 8, include but are not limited to snap connections or threaded connections, etc. Exemplarily, the number of the support columns 211 is 3, and the three support columns 211 are distributed in a triangular direction.

[0043] Please continue to refer to the attached drawings. A plurality of heat dissipation holes 212 are provided on the side wall of the inner recess 21 to connect the outside with the accommodating cavity 7. The plurality of heat dissipation holes 212 are arranged at intervals along the direction surrounding the circuit board fixing frame 8, so as to dissipate heat for the control circuit board 4 arranged in the circuit board fixing frame 8 and other components arranged in the accommodating cavity 7. The heat dissipation holes 212 are arranged at intervals along the direction surrounding the circuit board fixing frame 8, so that the utility model has a good heat dissipation effect. In a specific embodiment, the heat dissipation holes 212 include strip heat dissipation holes, and the plurality of strip heat dissipation holes are arranged at equal intervals along the direction surrounding the circuit board fixing frame 8, so that the heat dissipation effect is good and the device is more beautiful.

[0044] Furthermore, the shielding plate 3 is located on the side of the control circuit board 4 facing the top cover 1. Preferably, the projection of the shielding plate 3 on the control circuit board 4 covers the control circuit board 4, so as to achieve the best shielding effect. The shielding plate 3 is provided with one or at least two through holes 31, and an internal thread column 11 is provided on the inner wall of the top cover 1 at a position corresponding to the through hole 31, and a support seat 9 is provided on the inner wall of the inner recess 21 at a position corresponding to the through hole 31 and on the inner wall of the extension 22 at a position corresponding to the through hole 31, and the support seat 9 is provided with an opening 91 connecting the outside and the accommodating cavity 7. Specifically, the edge of the through hole 31 of the shielding plate 3 abuts against the support seat 9, thereby being supported by the support seat 9. The screw 10 passes through the opening 91 and the through hole 31 and is screwed to the internal threaded column 11 on the inner wall of the top cover 1, thereby realizing a detachable connection between the top cover 1 and the inner recess 21 and the extension 22, so that the connection between the top cover 1 and the inner recess 21 and the extension 22 is stable, and the through hole 31 of the shielding plate 3 abuts against the support seat 9, so that the shielding plate 3 is supported and limited, and is not easy to move in the accommodating cavity 7, thereby further improving the stability of the device.

[0045] For example, in a specific embodiment, the shielding plate 3 is provided with a plurality of via holes 31, and the shape of the interconnected lines of the plurality of via holes 31 is a triangle. Preferably, the triangle is an equilateral triangle.

[0046] Furthermore, the communication module 5 is connected to the control circuit board 4 by signal, and the communication module 5 is used to communicate with external devices. Specifically, the communication module 5 can communicate wirelessly with the infusion detection device and the background system, so as to realize the function of forwarding the data received from the external infusion detection device to the background system. Exemplarily, the communication module 5 is a Bluetooth module. In other embodiments, the communication module 5 may also include other modules such as a WI FI module or a Zigbee module.

[0047] Please continue to refer to the accompanying drawings, one end of the interface module 6 is connected to the control circuit board 4, and the other end of the interface module 6 is exposed on the side wall of the inner recess 21 connected to the extension part 22, so as to be used for wired connection to external devices. Exemplarily, the interface module 6 may include an Ethernet interface, one end of which is connected to the control circuit board 4, and the other end is used to connect to external devices, thereby realizing data communication and / or power transmission with external devices.

[0048] On the basis of the above-described embodiment, further, in a specific embodiment, the circuit board fixing frame 8 may include a plurality of fixing components 81 and a plurality of stoppers 82 with one end connected to the inner wall of the inner recess 21 .

[0049] Specifically, on one hand, the fixing assembly 81 includes a fixing seat 811 connected to the inner wall of the inner recess 21 at one end, and a fastener 812. A through hole 41 is provided on the control circuit board 4 at a position corresponding to the fixing seat 811, and the other end of the fixing seat 811 abuts against the lower part of the control circuit board 4. One end of the fastener 812 passes through the through hole 41 and is detachably connected to the fixing seat 811, and the other end of the fastener 812 abuts against the upper part of the control circuit board 4, so that the control circuit board 4 is stably fixed. Exemplarily, the fastener 812 can be a screw, which is threadedly connected to the fixing seat 811, so as to fix the control circuit board 4.

[0050] On the other hand, a plurality of limit members 82 are arranged around the edge of the control circuit board 4, and one side of the plurality of limit members 82 abuts against the side wall of the control circuit board 4, and the other side abuts against the lower side of the edge of the control circuit board 4, thereby further limiting the control circuit board 4 and preventing the control circuit board 4 from moving.

[0051] In a specific embodiment, at least one blocking member 213 is further provided on the side wall of the inner recess 21 facing the accommodating cavity 7, and one side of the blocking member 213 abuts against the upper side of the edge of the control circuit board 4. Exemplarily, the blocking member 213 can be provided on the side wall of the inner recess 21 connected to the extension portion 22, and the number of the blocking members 213 can be 2.

[0052] In a specific embodiment, a snap-on piece 12 is further provided in the inner recess 21, and one side of the snap-on piece 12 is snapped to the upper part of the shielding plate 3, so that the edge of the through hole 31 of the shielding plate 3 is pressed against the support seat 9, so that the stability of the shielding plate 3 is further improved. Exemplarily, in an embodiment where the circuit board fixing frame 8 includes a limiter 82, one end of the snap-on piece 12 is connected to the upper end of the limiter 82, and the snap-on piece 12 is used to snap one end of the shielding plate 3 through the small hole 32 on the shielding plate 3 and then snap on the upper part of the shielding plate 3. Preferably, the number of snap-on pieces 12 is 2, and the two snap-on pieces 12 are respectively connected to two opposite limiters 82, so that the snapping effect on the shielding plate 3 is more balanced and the snapping effect is better.

[0053] In a specific embodiment, the communication module 5 realizes communication connection with external devices by connecting to the wireless transceiver module 13, and the wireless transceiver module 13 is arranged on the side of the shielding plate 3 facing the top cover 1. Exemplarily, the wireless transceiver modules 13 are arranged at equal intervals on the periphery of the shielding plate 3, so that the transceiver effect is better. The communication module 5 can be connected to the wireless transceiver module 13 through a cable (not shown in the figure). The wireless transceiver module 13 is exemplarily an antenna. Specifically, the communication module 5 may include a Bluetooth module, for example, and the wireless transceiver module 13 may have multiple Bluetooth antennas, for example, 4, which can control the data transmission and reception of 4 devices, thereby improving the utilization rate of the equipment.

[0054] In a specific embodiment, a sound unit 14 whose signal is connected to the control circuit board 4 is also included. Specifically, a limit frame 214 adapted to the shape of the sound unit 14 is provided in the inner recess 21, and the sound unit 14 is detachably installed in the limit frame 214. In addition, a sound hole 215 is also provided on the side wall of the inner recess 21 at a position corresponding to the sound unit 14. It can be understood that the sound unit 14 can perform voice broadcasts and prompts under the control of the control circuit board 4, for example, the current operating status information of the device is prompted to the operator through different sounds, so that the functionality of the device is more complete. The provision of the sound hole 215 also makes the sound transmission effect of the sound unit 14 better, further improving the user experience of the device. Exemplarily, the sound unit 14 can be a speaker.

[0055] In summary, the utility model of a blue bridge device for infusion detection realizes the fixation and support of the control circuit board 4 by setting the circuit board fixing frame 8 and the support column 211, so that the control circuit board 4 is not easy to move in the accommodating cavity 7, and is not easy to be deformed and damaged by force, thereby improving the stability of the device and the service life of the control circuit board 4. In addition, the utility model realizes a good heat dissipation effect for the control circuit board 4 and other components by setting a plurality of heat dissipation holes 212 arranged at intervals along the direction surrounding the circuit board fixing frame 8 on the side wall of the inner recess 21, so that the service life of the device is longer. Further, by setting a through hole 31 on the shielding plate 3, the screw 10 passes through the through hole 31 to connect the top cover 1 with the inner recess 21 and the extension 22, the structure is simple and the connection stability is good; and by making the through hole 31 of the shielding plate 3 and the support seat 9 abut against each other, the support and limit of the shielding plate 3 are realized, so that the structural stability of the utility model is further improved, and it has a good use experience.

[0056] Those skilled in the art can understand that the accompanying drawings are only schematic diagrams of a preferred implementation scenario, and the modules or processes in the accompanying drawings are not necessarily required for implementing the present utility model.

[0057] Those skilled in the art will appreciate that the modules in the device in the implementation scenario can be distributed in the device in the implementation scenario according to the implementation scenario description, or can be changed accordingly and located in one or more devices different from the implementation scenario. The modules in the above implementation scenario can be combined into one module, or can be further split into multiple sub-modules.

[0058] The above serial numbers of the utility model are for description only and do not represent the advantages or disadvantages of the implementation scenarios.

[0059] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A blue bridge device for infusion detection, characterized in that: include: Top cover, bottom cover, shielding plate, control circuit board, communication module and interface module; The bottom cover has an inner recess and an extension, one side of the extension is connected to an upper edge of one side of the inner recess, and both the inner recess and the extension can be detachably connected to the top cover to form a receiving cavity; the shielding plate, the control circuit board and the communication module are all arranged in the receiving cavity; A circuit board fixing frame is arranged in the inner concave portion, and the control circuit board is detachably arranged in the circuit board fixing frame; at least one support column is arranged on the inner wall of the inner concave portion, and one side of the support column abuts against the lower part of the control circuit board; a plurality of heat dissipation holes connecting the outside and the accommodating cavity are opened on the side wall of the inner concave portion, and the plurality of heat dissipation holes are arranged at intervals along the direction surrounding the circuit board fixing frame; The shielding plate is located on a side of the control circuit board facing the top cover; one or at least two through holes are formed on the shielding plate; an internal thread column is provided on the inner wall of the top cover at a position corresponding to the through hole, and a support seat is provided on the inner wall of the inner recess and the inner wall of the extension at a position corresponding to the through hole, and an opening connecting the outside and the accommodating cavity is formed on the support seat; the edge of the through hole of the shielding plate abuts against the support seat, and a screw is passed through the opening and the through hole and is screwed to the internal thread column to realize a detachable connection between the top cover and the inner recess and the extension; The communication module signal is connected to the control circuit board, and the communication module is used to communicate with external equipment; one end of the interface module is connected to the control circuit board, and the other end of the interface module is exposed on the side wall of the recessed portion connected to the extension portion for wired connection to external equipment.

2. A blue bridge device for infusion detection according to claim 1, characterized in that: The circuit board fixing frame includes a plurality of fixing components and a plurality of limiting members with one end connected to the inner wall of the inner recess; The fixing assembly includes a fixing seat having one end connected to the inner wall of the inner recess, and a fastener; a through hole is provided on the control circuit board at a position corresponding to the fixing seat, the other end of the fixing seat abuts against the lower part of the control circuit board, one end of the fastener passes through the through hole and is detachably connected to the fixing seat, and the other end of the fastener abuts against the upper part of the control circuit board; A plurality of the limiting members are arranged around the edge of the control circuit board, and one side of the plurality of limiting members abuts against the side wall of the control circuit board, and the other side abuts against the lower side of the edge of the control circuit board.

3. A blue bridge device for infusion detection according to claim 1 or 2, characterized in that: At least one blocking member is further provided on the side wall of the inner recessed portion facing the accommodating cavity, and one side of the blocking member abuts against the upper side of the edge of the control circuit board.

4. A blue bridge device for infusion detection according to claim 1, characterized in that: A snap-on piece is also provided in the inner recess, and one side of the snap-on piece is snapped on the upper part of the shielding plate so that the edge of the through hole of the shielding plate is pressed tightly onto the support seat.

5. A blue bridge device for infusion detection according to claim 1, characterized in that: The communication module realizes communication connection with external equipment by connecting to a wireless transceiver module; the wireless transceiver module is arranged on a side of the shielding plate facing the top cover.

6. A blue bridge device for infusion detection according to claim 1, characterized in that: It also includes a sound unit whose signal is connected to the control circuit board; a limit frame adapted to the shape of the sound unit is provided in the recessed portion, and the sound unit can be detachably installed in the limit frame; a sound hole is provided on the side wall of the recessed portion corresponding to the position of the sound unit.

7. A blue bridge device for infusion detection according to claim 1, characterized in that: The shape of the interconnected lines of the plurality of via holes on the shielding plate is a triangle.

8. A blue bridge device for infusion detection according to claim 1, characterized in that: The projection of the shielding plate on the control circuit board covers the control circuit board.

9. A blue bridge device for infusion detection according to claim 1, characterized in that: The heat dissipation holes include strip-shaped heat dissipation holes, and a plurality of the strip-shaped heat dissipation holes are arranged at equal intervals along a direction surrounding the circuit board fixing frame.

10. A blue bridge device for infusion detection according to claim 1, characterized in that: The interface module comprises an Ethernet interface, one end of which is connected to the control circuit board, and the other end of which is used to connect to an external device to achieve data communication and / or power transmission with the external device.

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