System, first electronic device and second electronic device

Abstract

Embodiments of the present application provide a system, a first electronic device and a second electronic device. The system comprises a first electronic device and a second electronic device. The first electronic device comprises: a first connector, wherein the first connector comprises a first terminal, a second terminal, a third terminal, a fourth terminal and a fifth terminal which are sequentially arranged; and a first signal end, a second signal end, a first voltage end, a second voltage end and a switching circuit, wherein the first voltage end is used for providing a first voltage, the second voltage end is used for providing a second voltage, the first signal end is used for transmitting a first differential signal, and the second signal end is used for transmitting a second differential signal. The second electronic device comprises: a second connector, comprising a sixth terminal, a seventh terminal, an eighth terminal, a ninth terminal and a tenth terminal which are sequentially arranged; and a functional device. The first electronic device and the second electronic device both comprise five terminals, thereby reducing the space occupied by the devices, and also reducing the costs.

Description

System, first electronic device and second electronic device

[0001] This application claims priority to the Chinese patent application filed with the State Intellectual Property Office on January 23, 2024, with application number 202410098569.X and application name “System, First Electronic Device and Second Electronic Device”, the entire contents of which are incorporated by reference into this application. Technical Field

[0002] The present application relates to the field of circuit technology, and in particular to a system, a first electronic device, and a second electronic device. Background Art

[0003] The peripheral module of the terminal product adopts a modular solution and needs to complete the forward and reverse insertion function of the spring pin (Pogo-terminal); in the related technology, a 7-terminal solution can be used to achieve a centrally symmetrical distribution of the terminal sequence, thereby realizing the forward and reverse insertion function, but there is a disadvantage of a large number of pogo pins, which causes the equipment to occupy a large space and high cost. Summary of the Invention

[0004] In view of this, the present application provides a system, a first electronic device and a second electronic device, so as to solve the problem in the prior art that the devices occupy a large space and are high in cost.

[0005] In a first aspect, an embodiment of the present application provides a system, including a first electronic device and a second electronic device;

[0006] The first electronic device includes:

[0007] a first connector, the first connector comprising a first terminal, a second terminal, a third terminal, a fourth terminal, and a fifth terminal arranged in sequence;

[0008] A first signal terminal, a second signal terminal, a first voltage terminal, a second voltage terminal, and a switching circuit, wherein the first voltage terminal is used to provide a first voltage, the second voltage terminal is used to provide a second voltage, the first signal terminal is used to transmit a first differential signal, and the second signal terminal is used to transmit a second differential signal;

[0009] The first voltage terminal is electrically connected to the third terminal;

[0010] The switching circuit is configured to, when the first terminal is connected to the first voltage terminal, control the first signal terminal to be connected to the second terminal, control the second signal terminal to be connected to the fourth terminal, and control the second voltage terminal to be connected to the fifth terminal; and when the fifth terminal is connected to the first voltage terminal, control the first signal terminal to be connected to the fourth terminal, control the second signal terminal to be connected to the second terminal, and control the second voltage terminal to be connected to the first terminal;

[0011] The second electronic device includes:

[0012] a second connector comprising a sixth terminal, a seventh terminal, an eighth terminal, a ninth terminal, and a tenth terminal arranged in sequence;

[0013] The sixth terminal is electrically connected to the eighth terminal;

[0014] a functional device, the functional device comprising a third signal terminal, a fourth signal terminal, a third voltage terminal, and a fourth voltage terminal, the third signal terminal being electrically connected to the seventh terminal, the fourth signal terminal being electrically connected to the ninth terminal, the third voltage terminal being electrically connected to the sixth terminal and the eighth terminal, and the fourth voltage terminal being electrically connected to the tenth terminal;

[0015] The third signal terminal is used to transmit the first differential signal, the fourth signal terminal is used to transmit the second differential signal, the third voltage terminal is used to transmit the first voltage, and the fourth voltage terminal is used to transmit the second voltage.

[0016] In a possible implementation, the switching circuit includes:

[0017] a first switching module, the first switching module comprising a selection signal terminal, the selection signal terminal being electrically connected to the first terminal, the first switching module being configured to, when the selection signal terminal is at the first voltage, control the first signal terminal to be connected to the second terminal, and control the second signal terminal to be connected to the fourth terminal, and control the second signal terminal to be connected to the second terminal, when the selection signal terminal is at the second voltage;

[0018] The second switching module is used to control the second voltage terminal to be connected to the fifth terminal when the first terminal is at the first voltage, and to control the second voltage terminal to be connected to the first terminal when the fifth terminal is at the first voltage.

[0019] In a possible implementation, the second switching module includes:

[0020] a first switch unit, wherein a first end of the first switch unit is electrically connected to the second voltage end, a second end of the first switch unit is electrically connected to the first terminal, a control end of the first switch unit is electrically connected to the fifth terminal, the control end of the first switch unit is electrically connected to the second voltage end via a first resistor module, and the first switch unit is turned on in response to the first voltage at the control end and turned off in response to the second voltage at the control end;

[0021] A second switch unit, wherein the first end of the second switch unit is electrically connected to the second voltage end, the second end of the second switch unit is electrically connected to the fifth terminal, the control end of the second switch unit is electrically connected to the first terminal, the control end of the second switch unit is electrically connected to the second voltage end through a second resistance module, and the second switch unit is turned on in response to the first voltage at the control end and is turned off in response to the second voltage at the control end.

[0022] In a possible implementation, the second switching module further includes:

[0023] a third resistor module, wherein the control end of the first switch unit is electrically connected to the fifth terminal through the third resistor module;

[0024] a fourth resistor module, wherein the control end of the second switch unit is electrically connected to the first terminal through the fourth resistor module;

[0025] A fifth resistor module, wherein the selection signal end is electrically connected to the first terminal through the fifth resistor module.

[0026] In a possible implementation, the first voltage is a low level, and the second voltage is a high level;

[0027] Alternatively, the first voltage is a high level, and the second voltage is a low level.

[0028] In a possible implementation, the first electronic device includes a laptop computer, and the second electronic device includes a pluggable camera device.

[0029] In a second aspect, an embodiment of the present application provides a first connection component, the first connection component comprising:

[0030] a first connector, the first connector comprising a first terminal, a second terminal, a third terminal, a fourth terminal, and a fifth terminal arranged in sequence;

[0031] a first signal terminal, a second signal terminal, a first voltage terminal, a second voltage terminal, and a switching circuit, wherein the first voltage terminal is used to provide a first voltage, and the second voltage terminal is used to provide a second voltage;

[0032] The first voltage terminal is electrically connected to the third terminal;

[0033] The switching circuit is used to, when the first terminal is connected to the first voltage terminal, control the first signal terminal to be connected to the second terminal, control the second signal terminal to be connected to the fourth terminal, and control the second voltage terminal to be connected to the fifth terminal; when the fifth terminal is connected to the first voltage terminal, control the first signal terminal to be connected to the fourth terminal, control the second signal terminal to be connected to the second terminal, and control the second voltage terminal to be connected to the first terminal.

[0034] In a possible implementation, the switching circuit includes:

[0035] a first switching module, the first switching module comprising a selection signal terminal, the selection signal terminal being electrically connected to the first terminal, the first switching module being configured to, when the selection signal terminal is at the first voltage, control the first signal terminal to be connected to the second terminal, and control the second signal terminal to be connected to the fourth terminal, and control the second signal terminal to be connected to the second terminal, when the selection signal terminal is at the second voltage;

[0036] The second switching module is used to control the second voltage terminal to be connected to the fifth terminal when the first terminal is at the first voltage, and to control the second voltage terminal to be connected to the first terminal when the fifth terminal is at the first voltage.

[0037] In a possible implementation, the second switching module includes:

[0038] a first switch unit, wherein a first end of the first switch unit is electrically connected to the second voltage end, a second end of the first switch unit is electrically connected to the first terminal, a control end of the first switch unit is electrically connected to the fifth terminal, the control end of the first switch unit is electrically connected to the second voltage end via a first resistor module, and the first switch unit is turned on in response to the first voltage at the control end and turned off in response to the second voltage at the control end;

[0039] A second switch unit, wherein the first end of the second switch unit is electrically connected to the second voltage end, the second end of the second switch unit is electrically connected to the fifth terminal, the control end of the second switch unit is electrically connected to the first terminal, the control end of the second switch unit is electrically connected to the second voltage end through a second resistance module, and the second switch unit is turned on in response to the first voltage at the control end and is turned off in response to the second voltage at the control end.

[0040] In a possible implementation, the second switching module further includes:

[0041] a third resistor module, wherein the control end of the first switch unit is electrically connected to the fifth terminal through the third resistor module;

[0042] a fourth resistor module, wherein the control end of the second switch unit is electrically connected to the first terminal through the fourth resistor module;

[0043] A fifth resistor module, wherein the selection signal end is electrically connected to the first terminal through the fifth resistor module.

[0044] In a possible implementation, the first voltage is a low level, and the second voltage is a high level;

[0045] Alternatively, the first voltage is a high level, and the second voltage is a low level.

[0046] In a third aspect, an embodiment of the present application provides a second connection component, the second connection component comprising:

[0047] a second connector comprising a sixth terminal, a seventh terminal, an eighth terminal, a ninth terminal, and a tenth terminal arranged in sequence;

[0048] The sixth terminal is electrically connected to the eighth terminal;

[0049] A functional device, the functional device including a third signal terminal, a fourth signal terminal, a third voltage terminal and a fourth voltage terminal, the third signal terminal is electrically connected to the seventh terminal, the fourth signal terminal is electrically connected to the ninth terminal, the third voltage terminal is electrically connected to the sixth terminal and the eighth terminal, and the fourth voltage terminal is electrically connected to the tenth terminal.

[0050] In a fourth aspect, an embodiment of the present application provides a first electronic device, which includes the first connection component described in any one of the second aspects above.

[0051] In a fifth aspect, an embodiment of the present application provides a second electronic device, which includes the second connection component described in the third aspect above.

[0052] Using the system, the first electronic device, and the second electronic device provided in the embodiment of the present application, the first electronic device includes five terminals, which are symmetrically located with the third terminal as the center. The switching circuit can control the first voltage terminal to be connected to the first terminal and the second voltage terminal to be connected to the fifth terminal through the power polarity, or control the first voltage terminal to be connected to the fifth terminal and the second voltage terminal to be connected to the first terminal, thereby realizing adaptive switching of the power conduction path through the switching circuit. The switching circuit can control the first signal terminal to be connected to the second terminal and the second signal terminal to be connected to the fourth terminal through the power polarity, or control the first signal terminal to be connected to the fourth terminal and the second signal terminal to be connected to the second terminal, thereby realizing adaptive switching of the power conduction path through the switching circuit. Adaptive switching of the signal channel is achieved through the switching circuit. With this solution, the power conduction path and the signal channel can be determined simultaneously by the power polarity, thereby reducing the number of terminals of the first electronic device. Thus, adaptive switching can be achieved through very few components, reducing the space occupied by the first electronic device and reducing costs. The second electronic device includes 5 terminals, so that the third signal terminal is used to transmit the first differential signal, the fourth signal terminal is used to transmit the second differential signal, the third voltage terminal is used to transmit the first voltage, and the fourth voltage terminal is used to transmit the second voltage, thereby reducing the space occupied by the second electronic device and reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0053] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments. 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 any creative work.

[0054] FIG1 is a schematic diagram of a device in the related art;

[0055] FIG2 is a schematic diagram of the structure of a system provided in an embodiment of the present application;

[0056] FIG3 is a schematic diagram of a forward plug-in provided in an embodiment of the present application;

[0057] FIG4 is a schematic diagram of a reverse plug-in provided in an embodiment of the present application;

[0058] FIG5 is a schematic diagram of a first electronic device provided in an embodiment of the present application;

[0059] FIG6 is a schematic diagram of another forward plugging method provided in an embodiment of the present application;

[0060] FIG7 is a schematic diagram of another reverse plugging method provided by an embodiment of the present application;

[0061] FIG8 is a schematic diagram of another first electronic device provided in an embodiment of the present application;

[0062] FIG9 is a schematic diagram of the structure of another system provided in an embodiment of the present application;

[0063] FIG10 is a schematic diagram of another forward plugging method provided in an embodiment of the present application;

[0064] FIG11 is a schematic diagram of another reverse plugging method provided in an embodiment of the present application;

[0065] FIG12 is a schematic diagram of another first electronic device provided in an embodiment of the present application;

[0066] FIG13 is a schematic diagram of another forward plugging method provided in an embodiment of the present application;

[0067] FIG14 is a schematic diagram of another reverse plugging method provided in an embodiment of the present application;

[0068] FIG15 is a schematic diagram of another first electronic device provided in an embodiment of the present application;

[0069] FIG16 is a schematic diagram of a plug-in provided in an embodiment of the present application. DETAILED DESCRIPTION

[0070] In order to better understand the technical solution of the present application, the embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0071] It should be clear that the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0072] The terms used in the embodiments of the present application are for the purpose of describing specific embodiments only and are not intended to limit the present application. The singular forms "a", "an", "the" and "the" used in the embodiments of the present application and the appended claims are also intended to include plural forms unless the context clearly indicates otherwise.

[0073] It should be understood that the term "and / or" as used herein simply describes a relationship between associated objects, indicating that three possible relationships exist. For example, "A and / or B" can represent: A alone, A and B together, or B alone. Furthermore, the character " / " in this document generally indicates an "or" relationship between the associated objects.

[0074] Before describing the embodiments of the present application, the related art and its technical problems are first described. FIG1 is a schematic diagram of a device in the related art. As shown in FIG1 , a peripheral module S and a terminal product M are shown. Each of the peripheral module S and the terminal product M includes seven terminals, which can also be called pins. The peripheral module S is provided with seven terminals S1 to S7 in order from top to bottom. The peripheral module S also includes a peripheral module S8, which includes four ports S81 to S84, respectively used to transmit a power supply voltage VCC, a second differential signal D-, a first differential signal D+, and a ground voltage GND. S81 is electrically connected to S4, S82 is electrically connected to S3 and S5, S83 is electrically connected to S2 and S6, and S84 is electrically connected to S1 and S7. The terminal product M is provided with seven terminals M1 to M7 in order from top to bottom, respectively, used to transmit GND, D+, D-, VCC, D-, D+, and GND, respectively. When the peripheral module S is connected to the terminal product M, regardless of whether the 7 terminals on the terminal product M side and the 7 terminals on the peripheral module S side are plugged in forward or reverse, the correct signal can be transmitted, thereby realizing the forward and reverse plug-in function. However, this will result in a large number of terminals for plug-in, resulting in a large device space occupation and high cost.

[0075] In order to reduce the space occupied by the equipment and lower the cost, an embodiment of the present application provides a system, a first electronic device and a second electronic device. Figure 2 is a structural schematic diagram of a system provided by an embodiment of the present application. As shown in Figure 2, the system A includes a first electronic device B and a second electronic device C.

[0076] The first electronic device B includes: a first connector B1, the first connector B1 includes a first terminal B11, a second terminal B12, a third terminal B13, a fourth terminal B14 and a fifth terminal B15 arranged in sequence; the first electronic device B also includes a first signal terminal B2, a second signal terminal B3, a first voltage terminal B4, a second voltage terminal B5 and a switching circuit B6, the first voltage terminal B4 is used to provide a first voltage, and the second voltage terminal B5 is used to provide a second voltage. First, take the first voltage as a low level and the second voltage as a high level as an example. The first voltage terminal B4 is a low-level ground voltage GND, and the second voltage terminal B5 is a high-level power supply voltage VCC. The first signal terminal B2 is used to transmit a first differential signal, and the second signal terminal is used to transmit a second differential signal; the first voltage terminal B4 is electrically connected to the third terminal B13.

[0077] The second electronic device C includes: a second connector C1, the second connector C1 includes a sixth terminal C11, a seventh terminal C12, an eighth terminal C13, a ninth terminal C14 and a tenth terminal C15 arranged in sequence; the sixth terminal C11 is electrically connected to the eighth terminal C13; a functional device C2, the functional device C2 includes a third signal terminal C21, a fourth signal terminal C22, a third voltage terminal C23 and a fourth voltage terminal C24, the third signal terminal C21 is electrically connected to the seventh terminal C12, the fourth signal terminal C22 is electrically connected to the ninth terminal C14, the third voltage terminal C23 is electrically connected to the sixth terminal C11 and the eighth terminal C13, and the fourth voltage terminal C24 is electrically connected to the tenth terminal C15; the third signal terminal C21 is used to transmit a first differential signal D+, the fourth signal terminal C22 is used to transmit a second differential signal D-, the third voltage terminal C23 is used to transmit a first voltage, and the fourth voltage terminal C24 is used to transmit a second voltage.

[0078] As shown in Figure 3, when the first connector B1 and the second connector C1 are forwardly plugged in, B11-B15 are connected to C11-C15 respectively. Therefore, the first voltage terminal B4 is connected to the third voltage terminal C23 through the third terminal B13 and the eighth terminal C13 to realize the transmission of GND, and the first voltage terminal B4 is connected to the first terminal B11 through the third terminal B13, the eighth terminal C13 and the sixth terminal C11. Therefore, the voltage of the first terminal B11 is GND, and the switching circuit B6 can determine that the first terminal B11 is connected to the first voltage terminal B4 based on the voltage of the first terminal B11 being GND. Switching circuit B6 is configured to, when the first terminal B11 is connected to the first voltage terminal B4, control the first signal terminal B2 to connect to the second terminal B12, thereby connecting the first signal terminal B2 to the third signal terminal C21 via the second terminal B12 and the seventh terminal C12, thereby transmitting the first differential signal D+; control the second signal terminal B3 to connect to the fourth terminal B14, thereby connecting the second signal terminal B3 to the fourth signal terminal C22 via the fourth terminal B14 and the ninth terminal C14, thereby transmitting the second differential signal D-; and control the second voltage terminal B5 to connect to the fifth terminal B15, thereby connecting the second voltage terminal B5 to the fourth voltage terminal C24 via the fifth terminal B15 and the tenth terminal C15, thereby transmitting VCC. Thus, by forward-connecting the first connector B1 and the second connector C1, the first electronic device B can power the second electronic device C and enable data transmission between the two.

[0079] As shown in Figure 4, when the first connector B1 and the second connector C1 are reversely plugged in, B11-B15 are connected to C15-C11 respectively. Therefore, the first voltage terminal B4 is connected to the third voltage terminal C23 through the third terminal B13 and the eighth terminal C13 to realize the transmission of GND, and the first voltage terminal B4 is connected to the fifth terminal B15 through the third terminal B13, the eighth terminal C13 and the sixth terminal C11. Therefore, the voltage of the fifth terminal B15 is GND, and the switching circuit B6 can determine that the fifth terminal B15 is connected to the first voltage terminal B4 based on the voltage of the fifth terminal B15 being GND. Switching circuit B6 is configured to, when the fifth terminal B15 is connected to the first voltage terminal B4, control the first signal terminal B2 to connect to the fourth terminal B14, thereby connecting the first signal terminal B2 to the third signal terminal C21 via the fourth terminal B14 and the seventh terminal C12, thereby transmitting the first differential signal D+; control the second signal terminal B3 to connect to the second terminal B12, thereby connecting the second signal terminal B3 to the fourth signal terminal C22 via the second terminal B12 and the ninth terminal C14, thereby transmitting the second differential signal D-; and control the second voltage terminal B5 to connect to the first terminal B11, thereby connecting the second voltage terminal B5 to the fourth voltage terminal C24 via the first terminal B11 and the tenth terminal C15, thereby transmitting VCC. Thus, by reversing the connection between the first connector B1 and the second connector C1, the first electronic device B can also power the second electronic device C and enable data transmission between the two.

[0080] In the embodiment of the present application, the first electronic device and the second electronic device may be in a connected state or in a waiting-to-be-connected state. The first electronic device includes but is not limited to computers, mobile phones, wearable devices, etc., and the second electronic device includes but is not limited to pluggable camera devices, microphone devices, speaker devices, etc. The embodiment of the present application can be applied to any circuit, connector or interface that requires adaptive direction selection for power supply and signal channels. For example, the first electronic device includes a laptop computer, and the second electronic device includes a pluggable camera device. The connection interface between the first electronic device and the second electronic device can be a Universal Serial Bus (USB) interface or other interface that uses at least two ports for power supply and two ports for data transmission. The first electronic device is the main device, called Master or Host, and the second electronic device is the slave device, called Slave or Device.

[0081] In the system, first electronic device, and second electronic device in the embodiments of the present application, the first electronic device includes five terminals, which are symmetrically located with the third terminal as the center. The switching circuit can control the first voltage terminal to be connected to the first terminal and the second voltage terminal to be connected to the fifth terminal through the power polarity, or control the first voltage terminal to be connected to the fifth terminal and the second voltage terminal to be connected to the first terminal, thereby realizing adaptive switching of the power conduction path through the switching circuit. The switching circuit can control the first signal terminal to be connected to the second terminal and the second signal terminal to be connected to the fourth terminal through the power polarity, or control the first signal terminal to be connected to the fourth terminal and the second signal terminal to be connected to the second terminal. , thereby achieving adaptive switching of the signal channel through the switching circuit. With this solution, the power conduction path and the signal channel can be simultaneously determined by the power polarity, reducing the number of terminals of the first electronic device, thereby achieving adaptive switching with very few components, reducing the space occupied by the connection terminals in the first electronic device, and thus reducing costs; the second electronic device includes 5 terminals, so that the third signal terminal is used to transmit the first differential signal, the fourth signal terminal is used to transmit the second differential signal, the third voltage terminal is used to transmit the first voltage, and the fourth voltage terminal is used to transmit the second voltage, thereby reducing the space occupied by the terminals in the second electronic device, thereby reducing costs.

[0082] In one possible implementation, as shown in Figure 5, Figure 5 is a schematic diagram of a first electronic device provided in an embodiment of the present application, and the switching circuit B6 includes: a first switching module B61, the first switching module includes a selection signal terminal B611, and the selection signal terminal B611 is electrically connected to the first terminal B11.

[0083] As shown in Figure 6, when the first connector B1 and the second connector C1 are plugged in in the forward direction, the first terminal B11 and the selection signal terminal B611 are at a first voltage, such as GND. The first switching module B61 is configured to control the connection of the first signal terminal B2 to the second terminal B12 and the connection of the second signal terminal B3 to the fourth terminal B14 when the selection signal terminal B611 is at a first voltage, such as GND. Specifically, the first switching module B61 causes the second terminal B12 to transmit the first differential signal D+ and the fourth terminal B14 to transmit the second differential signal D- based on the first voltage GND of the selection signal terminal B611, thereby achieving a correct data transmission path when the connectors are plugged in in the forward direction. The switching circuit B6 also includes a second switching module B62, which is configured to control the connection of the second voltage terminal B5 to the fifth terminal B15 when the first terminal B11 is at a first voltage, such as GND. That is, the second switching module B61 provides the second voltage VCC to the fifth terminal B15 according to the first voltage GND of the first terminal B11, thereby providing a correct power supply path when the connectors are forward plugged in.

[0084] As shown in Figure 7, when the first connector B1 and the second connector C1 are reversely plugged in, the fifth terminal B15 is at the first voltage GND. The second switching module B62 is configured to control the second voltage terminal B5 to connect to the first terminal B11 when the fifth terminal B15 is at the first voltage GND, thereby providing the second voltage VCC to the first terminal B11 and the select signal terminal B611. Specifically, the second switching module B62 provides the second voltage VCC to the first terminal B11 based on the first voltage GND of the fifth terminal B15, thereby providing a correct power supply path when the connectors are reversely plugged in. The first switching module B61 is configured to control the first signal terminal B2 to connect to the fourth terminal B14 and the second signal terminal B3 to connect to the second terminal B12 when the select signal terminal B611 is at the second voltage VCC. Specifically, the first switching module B61 causes the second terminal B12 to transmit the second differential signal D- and the fourth terminal B14 to transmit the first differential signal D+ based on the second voltage VCC of the select signal terminal B611, thereby achieving a correct data transmission path when the connectors are reversely plugged in.

[0085] In some embodiments, as shown in FIG5 , the first switching module B61 may include a double-pole double-throw switch, the double-pole double-throw switch including: a first input terminal b01 electrically connected to the first signal terminal B2, a second input terminal b02 electrically connected to the second signal terminal B3, a first output terminal b61 and a fourth output terminal b64 electrically connected to the second terminal B12, and a second output terminal b62 and a third output terminal b63 electrically connected to the fourth terminal B14. The selection signal terminal B611 serves as a control terminal of the double-pole double-throw switch. As shown in FIG6 , when the selection signal terminal B611 is a first voltage, the first input terminal b01 is connected to the first output terminal b61, and the second input terminal b02 is connected to the third output terminal b63. ​​As shown in FIG7 , when the selection signal terminal B611 is a second voltage, the first input terminal b01 is connected to the second output terminal b62, and the second input terminal b02 is connected to the fourth output terminal b64. It can be understood that the first switching module B61 can also be implemented through other circuits or the like. The first switching module B61 can also include a Universal Serial Bus (USB) switch. For example, the USB switch includes a USB2.0 switch or a USB3.0 switch. The embodiment of the present application does not limit the specific implementation method of the first switching module B61, and the double-pole double-throw switch is only an example.

[0086] In some embodiments, as shown in FIG5 , the second switching module B62 may include: a first switch unit Q1, a first end of the first switch unit Q1 is electrically connected to the second voltage terminal B5, a second end of the first switch unit Q1 is electrically connected to the first terminal B11, a control end of the first switch unit Q1 is electrically connected to the fifth terminal B15 through a third resistor module R3, a control end of the first switch unit Q1 is electrically connected to the second voltage terminal B5 through the first resistor module R1, the first switch unit Q1 is turned on in response to a first voltage at the control end, and is turned off in response to a second voltage at the control end, that is, when the control end of the first switch unit Q1 is the first voltage, the first end and the second end thereof are turned on, and when the control end of the first switch unit Q1 is the second voltage, the first end and the second end thereof are turned off; a second switch unit Q2, the first end of the second switch unit Q2 is electrically connected to the second voltage terminal B5, the second end of the second switch unit Q2 is electrically connected to the fifth terminal B15, the control end of the second switch unit Q2 is electrically connected to the first terminal B11 via the fourth resistor module R4, and the control end of the second switch unit Q2 is electrically connected to the second voltage terminal B5 via the second resistor module R2. The second switch unit Q2 is turned on in response to the first voltage at the control end and turned off in response to the second voltage at the control end. That is, when the control end of the second switch unit Q2 is at the first voltage, the first end and the second end of the second switch unit Q2 are conductive, and when the control end of the second switch unit Q2 is at the second voltage, the first end and the second end of the second switch unit Q2 are blocked. The fifth resistor module R5, the selection signal terminal B611 is electrically connected to the first terminal B11 via the fifth resistor module R5. In other possible embodiments, the aforementioned components R3, R4, and R5 may be omitted, as will be described in detail later.

[0087] In some embodiments, as shown in Figures 5 to 7, the first voltage is a low level and the second voltage is a high level. For example, the first voltage terminal B4 is the ground voltage GND, GND is, for example, 0V, and the second voltage terminal B5 is a high level power supply voltage VCC, for example, 3.3V.

[0088] In some embodiments, as shown in Figures 5 to 7, the first switch unit Q1 and / or the second switch unit Q2 is a P-type transistor, for example, a P-channel metal oxide semiconductor field effect transistor (positive channel Metal Oxide Semiconductor, PMOS), one of the first end and the second end of the switch unit is a source, the other is a drain, the control end is a gate, and the P-type transistor is a device that is turned on at a low level and cut off at a high level, that is, in response to a high level of the gate, the source and the drain are cut off, and in response to a low level of the gate, the source and the drain are turned on, and each of the above-mentioned resistance modules is a resistance device.

[0089] The specific working process and principle of the circuits in FIG5 to FIG7 are described below.

[0090] As shown in Figure 5, when the first connector B1 is not plugged in, since the first terminal B11 and the fifth terminal B15 are suspended, the first switch unit Q1 and the second switch unit Q2 do not meet the conduction conditions, so the channel is cut off, and the first terminal B11 and the fifth terminal B15 both maintain a weak pull-up high level due to the connection with the second voltage end B5 through the resistor.

[0091] As shown in Figure 6 , when the first connector B1 and the second connector C1 are connected in the forward direction, the voltage of the first terminal B11 is pulled down because it is connected to the first voltage terminal B4 through the second electronic device. As a result, the voltage of the first terminal B11 is pulled down. Since GND is a strong pull-down, the gate voltage of the second switch unit Q2 is pulled down, causing the second switch unit Q2 to meet the turn-on condition and turn on. The high level of the second voltage terminal B5 is supplied to the fifth terminal B15 through the turned-on second switch unit Q2, providing VCC to the second electronic device through the tenth terminal C15. Furthermore, GND is supplied to the second electronic device through the eighth terminal C13, thus completing the power supply path for the second electronic device. At this time, the gate voltage of the first switch unit Q1 remains high, thus remaining in the off state. The bold path in Figure 6 represents the high-level path, i.e., the VCC path, and the dotted path represents the low-level path, i.e., the GND path. The selection signal terminal B611 of the first switching module B61 is connected to the first terminal B11 and is therefore pulled low, so that the first input terminal b01 is connected to the first output terminal b61, and the second input terminal b02 is connected to the third output terminal b63, so that the signal channels of the first signal terminal B2 and the second signal terminal B3 are correctly connected to the second electronic device, thereby realizing the data signal path for the second electronic device.

[0092] As shown in Figure 7 , when the first connector B1 and the second connector C1 are reversely plugged in, the fifth terminal B15 is connected to the first voltage terminal B4 through the second electronic device. Therefore, the voltage of the fifth terminal B15 is pulled down. Since GND is a strong pull-down, the gate voltage of the first switch unit Q1 is pulled down, thereby satisfying the turn-on condition and turning on the first switch unit Q1. The high level of the second voltage terminal B5 provides VCC to the first terminal B11 through the turned-on first switch unit Q1, and then provides VCC to the second electronic device through the tenth terminal C15. Furthermore, GND is provided to the second electronic device through the eighth terminal C13, thus completing the power supply path for the second electronic device. At this time, the gate voltage of the second switch unit Q2 remains high, thus remaining in the off state. The bold path in Figure 7 represents the high-level path, i.e., the VCC path, and the dotted path represents the low-level path, i.e., the GND path. The selection signal terminal B611 of the first switching module B61 is connected to the first terminal B11 and is therefore pulled high, so that the first input terminal b01 is connected to the second output terminal b62, and the second input terminal b02 is connected to the fourth input terminal b64, so that the signal channels of the first signal terminal B2 and the second signal terminal B3 are correctly connected to the second electronic device, thereby realizing the data signal path for the second electronic device.

[0093] It can be seen that the paths of the first differential signal D+ and the second differential signal D- will be adaptively switched through the first switching module B61 according to the plug-in direction detection result of the connector. The two outermost terminals B11 and B15 in the first connector B1 serve as the VCC power supply positive path and the GND power supply negative path, respectively. Through the second switching module B62, it is detected which terminal B11 and B15 is connected to GND, thereby determining the plug-in direction of the connector, and switching the power supply channel of the other terminal according to the plug-in direction.

[0094] As shown in Figures 5 to 7, the third resistor module R3, the fourth resistor module R4, and the fifth resistor module R5 can, on the one hand, act as a buffer between two components, reducing the impact of static electricity from the pins on the components in the circuit. For example, as shown in Figure 5, the fourth resistor module R4 can act as a buffer between the gate of the second switch unit Q2 and the pin of the first terminal B11, reducing the voltage impact of static electricity from the pin of the first terminal B11 on the gate of the second switch unit Q2. On the other hand, the values ​​of the resistors R3 to R5 can be related to the parameters of the transistor. For example, the resistance value of the corresponding third resistor module R3 can be set according to the conduction threshold of Q1 to cooperate with the first resistor module R1 to perform voltage division, so that the gate of Q1 controls the on and off states according to the divided voltage. Assuming VCC = 3.3V and GND = 0V, in the state shown in Figure 6, the voltage division of R1 and R3 causes the gate voltage of Q1 to be 0.7V, which is still a low level and less than the threshold voltage of Q1. At this point, Q1 can be controlled to be turned off. The voltage division principle of R4 is similar and will not be elaborated on. Usually, the resistance value of R3 is smaller than that of R1, and the resistance value of R4 is smaller than that of R2.

[0095] As can be seen, the third resistor module R3, the fourth resistor module R4, and the fifth resistor module R5 are all optional resistor modules. For the second switching module B62, any one or more of the third resistor module R3, the fourth resistor module R4, and the fifth resistor module R5 can also be omitted. For example, as shown in FIG8 , the control terminal of the first switch unit Q1 can be directly electrically connected to the fifth terminal B15, the gate of the second switch unit Q2 can be directly electrically connected to the first terminal B11, and the selection signal terminal B611 can be directly electrically connected to the first terminal B11. The operating principle of the circuit structure shown in FIG8 is the same as that of FIG5 . For example, when the first connector B1 and the second connector C1 are connected in the forward direction, the gate of Q2 is at a low level, turning Q2 on, and the gate of Q1 is at a high level, turning Q1 off. When the first connector B1 and the second connector C1 are connected in the reverse direction, the gate of Q1 is at a low level, turning Q1 on, and the gate of Q2 is at a high level, turning Q2 off.

[0096] In some embodiments, as shown in FIG9 to FIG11 , the first voltage is a high level, and the second voltage is a low level. For example, the first voltage terminal B4 is a high-level power supply voltage VCC, for example, 3.3 V, and the second voltage terminal B5 is a low-level ground voltage GND, for example, 0 V. That is, the first voltage terminal B4 is used to provide VCC, the second voltage terminal B5 is used to provide GND, the third voltage terminal C23 is used to transmit VCC, and the fourth voltage terminal C24 is used to transmit GND. The embodiment shown in Figures 9 to 11 is similar to the embodiment shown in Figures 2 to 4, differing only in that VCC and GND are swapped. In the embodiment shown in Figures 2 to 4, GND is transmitted through the terminal in the middle of the first connector B1, and the GND voltage at the terminals at both ends is used to determine whether the second connector C1 is plugged in forward or reverse, thereby providing corresponding power and signal paths based on the plugging direction. In the embodiment shown in Figures 9 to 11, VCC is transmitted through the terminal in the middle of the first connector B1, and the VCC voltage at the terminals at both ends is used to determine whether the second connector C1 is plugged in forward or reverse, thereby providing corresponding power and signal paths based on the plugging direction. The specific process and principles are similar and will not be repeated here.

[0097] In some embodiments, as shown in Figures 12 to 14, the first voltage is a low level and the second voltage is a high level. For example, the first voltage terminal B4 is a high-level power supply voltage VCC, such as 3.3V, and the second voltage terminal B5 is a ground voltage GND, such as 0V. The first switch unit Q1 and / or the second switch unit Q2 are N-type transistors, such as N-channel metal oxide semiconductor field effect transistors (NMOS). One of the first and second terminals of the switch unit is the source, and the other is the drain. The control terminal is the gate. N-type transistors are devices that conduct at a high level and cut off at a low level. That is, in response to a low level on the gate, the source and drain are cut off, and in response to a high level on the gate, the source and drain are conducted. Figure 12 is similar to the structure shown in Figure 8, except that the voltages provided by the first voltage terminal B4 and the second voltage terminal B5 are swapped, and Q1 and Q2 are changed from P-type transistors to N-type transistors. The specific operating process and principle of the circuits shown in Figures 12 to 14 are described below.

[0098] As shown in FIG12 , when the first connector B1 is not plugged in, since the first terminal B11 and the fifth terminal B15 are suspended, the first switch unit Q1 and the second switch unit Q2 do not meet the conduction condition, and thus the channel is cut off.

[0099] As shown in Figure 13, when the first connector B1 and the second connector C1 are connected in the forward direction, the voltage of the first terminal B11 is pulled high because it is connected to the first voltage terminal B4 through the second electronic device. Since the first terminal B11 is directly connected to the gate of the second switch unit Q2, the gate voltage of the second switch unit Q2 is pulled high, causing the second switch unit Q2 to meet the turn-on condition and turn on. The low level of the second voltage terminal B5 is supplied to the fifth terminal B15 through the turned-on second switch unit Q2, providing GND to the second electronic device through the tenth terminal C15. In addition, VCC is supplied to the second electronic device through the eighth terminal C13, thus completing the power supply path for the second electronic device. At this time, the gate voltage of the first switch unit Q1 remains low, thus remaining in the off state. The bold path in Figure 13 represents the high-level path, i.e., the VCC path, and the dotted path represents the low-level path, i.e., the GND path. The selection signal terminal B611 of the first switching module B61 is connected to the first terminal B11 and is therefore pulled high, so that the first input terminal b01 is connected to the first output terminal b61, and the second input terminal b02 is connected to the third input terminal b63, so that the signal channels of the first signal terminal B2 and the second signal terminal B3 are correctly connected to the second electronic device, thereby realizing the data signal path for the second electronic device.

[0100] As shown in Figure 14 , when the first connector B1 and the second connector C1 are reversely plugged in, the voltage of the fifth terminal B15 is pulled high because it is connected to the first voltage terminal B4 through the second electronic device. Furthermore, since the fifth terminal B15 is directly connected to the gate of the first switch unit Q1, the gate voltage of the first switch unit Q1 is pulled high, causing the first switch unit Q1 to meet the on condition and turn on. The low level of the second voltage terminal B5 is supplied to the first terminal B11 through the turned-on first switch unit Q1, providing GND to the second electronic device through the tenth terminal C15. Furthermore, VCC is supplied to the second electronic device through the eighth terminal C13, thus completing the power supply path for the second electronic device. At this time, the gate voltage of the second switch unit Q2 remains low, thus remaining in the off state. The bold path in Figure 14 represents the high-level path, i.e., the VCC path, and the dotted path represents the low-level path, i.e., the GND path. The selection signal terminal B611 of the first switching module B61 is connected to the first terminal B11 and is therefore pulled low, so that the first input terminal b01 is connected to the second output terminal b62, and the second input terminal b02 is connected to the fourth input terminal b64, so that the signal channels of the first signal terminal B2 and the second signal terminal B3 are correctly connected to the second electronic device, thereby realizing the data signal path for the second electronic device.

[0101] Based on Figures 12 to 14 , i.e., with the first voltage terminal B4 being a high-level power supply voltage VCC and the second voltage terminal B5 being a ground voltage GND, as shown in Figure 15 , the gate of Q1 is electrically connected to the fifth terminal B15 via the third resistor module R3, the gate of Q2 is electrically connected to the first terminal B11 via the fourth resistor module R4, and the selection signal terminal B611 is electrically connected to the first terminal B11 via the fifth resistor module R5. The structure of Figure 15 is similar to that of Figure 5 , except that the voltages provided by the first voltage terminal B4 and the second voltage terminal B5 are swapped.

[0102] It should be noted that the embodiments of Figures 2 to 8 described above are all described using the ground voltage GND as the first voltage terminal B4. In other possible embodiments, the first voltage terminal B4 may also be another reference voltage, as long as it can form a voltage difference with VCC to provide a power path. Similarly, the embodiments of Figures 9 to 15 described above are all described using the ground voltage GND as the second voltage terminal B5 as an example. In other possible embodiments, the second voltage terminal B5 may also be another reference voltage, as long as it can form a voltage difference with VCC to provide a power path.

[0103] The embodiment of the present application does not limit the specific implementation of the above-mentioned first switch unit and the second switch unit. For example, they can be various types of switching devices such as MOS tubes, transistors, load switches, etc.

[0104] In some embodiments, the second electronic device is a peripheral device that can be connected to the first electronic device. For example, the first electronic device is a laptop computer, and the second electronic device is a magnetic camera device. Figure 16 is a schematic diagram of a connection provided by an embodiment of the present application. As shown in Figure 16, the laptop computer and the magnetic camera device transition from a waiting state to a connected state. The left half of Figure 16 shows the laptop computer and the magnetic camera device being connected in a forward direction, and the right half of Figure 16 shows the laptop computer and the magnetic camera device being connected in a reverse direction. The laptop computer includes a screen portion, the top of which includes a first connector B1; the bottom of the magnetic camera device includes a second connector C1; and the functional device C2 includes a camera. When one side of the camera is aligned with the screen side of the screen portion, aligning the second connector C1 with the first connector B1 and slowly approaching it will cause the magnetic camera device to automatically attract. Once attracted, the laptop computer and the magnetic camera device can be connected in a forward direction. When the camera side is aligned with the protective case side of the screen portion, aligning the second connector C1 with the first connector B1 and slowly approaching it will cause the magnetic camera device to automatically attract. Once attracted, the laptop computer and the magnetic camera device can be connected in a reverse direction. Therefore, the laptop computer includes 5 terminals and the magnetic camera device also includes 5 terminals. Regardless of whether the laptop computer and the magnetic camera device are plugged in forward or reverse, the laptop computer can adaptively select the corresponding power supply path and signal path to connect with the magnetic camera device through a very small number of components, and the space occupied by the laptop computer and the magnetic camera device is reduced, and the cost is also reduced.

[0105] An embodiment of the present invention further provides a first connection assembly, wherein a first electronic device B includes the first connection assembly, the first connection assembly including: a first connector B1, the first connector B1 including a first terminal B11, a second terminal B12, a third terminal B13, a fourth terminal B14, and a fifth terminal B15 arranged in sequence; the first electronic device B also includes a first signal terminal B2, a second signal terminal B3, a first voltage terminal B4, a second voltage terminal B5, and a switching circuit B6, the first voltage terminal B4 is used to provide a first voltage, and the second voltage terminal B5 is used to provide a second voltage; The first voltage terminal B4 is electrically connected to the third terminal B13. The switching circuit B6 is configured to control the first signal terminal B2 to connect to the second terminal B12, the second signal terminal B3 to connect to the fourth terminal B14, and the second voltage terminal B5 to connect to the fifth terminal B15 when the first terminal B11 is connected to the first voltage terminal B4. When the fifth terminal B15 is connected to the first voltage terminal B4, the switching circuit B6 controls the first signal terminal B2 to connect to the fourth terminal B14, the second signal terminal B3 to connect to the second terminal B12, and the second voltage terminal B5 to connect to the first terminal B11. The various modules of the first connection assembly have been described in detail above and will not be repeated here.

[0106] The embodiment of the present invention further provides a second connection assembly, wherein a second electronic device C includes the second connection assembly, the second connection assembly comprising: a second connector C1, the second connector C1 including a sixth terminal C11, a seventh terminal C12, an eighth terminal C13, a ninth terminal C14, and a tenth terminal C15 arranged in sequence; the sixth terminal C11 being electrically connected to the eighth terminal C13; and a functional device C2, the functional device C2 including a third signal terminal C21, a fourth signal terminal C22, a third voltage terminal C23, and a fourth voltage terminal C24, the third signal terminal C21 being electrically connected to the seventh terminal C12, the fourth signal terminal C22 being electrically connected to the ninth terminal C14, the third voltage terminal C23 being electrically connected to the sixth terminal C11 and the eighth terminal C13, and the fourth voltage terminal C24 being electrically connected to the tenth terminal C15. The various modules of the second connection assembly have been described in detail above and will not be repeated here.

[0107] In this specification, reference can be made to the same or similar parts between the various embodiments. In particular, since the system embodiment, the first electronic device embodiment, and the second electronic device embodiment are substantially similar to the system embodiment, their descriptions are relatively simple, and the relevant parts can be referred to the descriptions in the system embodiment.

Claims

1. A system, characterized in that, including a first electronic device and a second electronic device; The first electronic device includes: a first connector, the first connector including a first terminal, a second terminal, a third terminal, a fourth terminal, and a fifth terminal arranged in sequence; a first signal terminal, a second signal terminal, a first voltage terminal, a second voltage terminal, and a switching circuit, the first voltage terminal for providing a first voltage, the second voltage terminal for providing a second voltage, the first signal terminal for transmitting a first differential signal, and the second signal terminal for transmitting a second differential signal; the first voltage terminal is electrically connected to the third terminal; the switching circuit is configured to, when the first terminal is connected to the first voltage terminal, control the first signal terminal to be connected to the second terminal, control the second signal terminal to be connected to the fourth terminal, and control the second voltage terminal to be connected to the fifth terminal, and when the fifth terminal is connected to the first voltage terminal, control the first signal terminal to be connected to the fourth terminal, control the second signal terminal to be connected to the second terminal, and control the second voltage terminal to be connected to the first terminal; The second electronic device includes: a second connector, the second connector including a sixth terminal, a seventh terminal, an eighth terminal, a ninth terminal, and a tenth terminal arranged in sequence; the sixth terminal is electrically connected to the eighth terminal; a functional device, the functional device including a third signal terminal, a fourth signal terminal, a third voltage terminal, and a fourth voltage terminal, the third signal terminal being electrically connected to the seventh terminal, the fourth signal terminal being electrically connected to the ninth terminal, the third voltage terminal being electrically connected to the sixth terminal and the eighth terminal, and the fourth voltage terminal being electrically connected to the tenth terminal; the third signal terminal is for transmitting the first differential signal, the fourth signal terminal is for transmitting the second differential signal, the third voltage terminal is for transmitting the first voltage, and the fourth voltage terminal is for transmitting the second voltage.

2. The system according to claim 1, wherein the switching circuit includes: a first switching module, the first switching module including a selection signal terminal, the selection signal terminal being electrically connected to the first terminal, the first switching module being configured to, when the selection signal terminal is the first voltage, control the first signal terminal to be connected to the second terminal and control the second signal terminal to be connected to the fourth terminal, and when the selection signal terminal is the second voltage, control the first signal terminal to be connected to the fourth terminal and control the second signal terminal to be connected to the second terminal; a second switching module, the second switching module being configured to, when the first terminal is the first voltage, control the second voltage terminal to be connected to the fifth terminal, and when the fifth terminal is the first voltage, control the second voltage terminal to be connected to the first terminal.

3. The system according to claim 2, wherein the second switching module includes: A first switch unit, a first end of the first switch unit is electrically connected to the second voltage terminal, a second end of the first switch unit is electrically connected to the first terminal, a control end of the first switch unit is electrically connected to the fifth terminal, and the control end of the first switch unit is electrically connected to the second voltage terminal through a first resistor module. The first switch unit is turned on in response to the first voltage at the control end and turned off in response to the second voltage at the control end; A second switch unit, a first end of the second switch unit is electrically connected to the second voltage terminal, a second end of the second switch unit is electrically connected to the fifth terminal, a control end of the second switch unit is electrically connected to the first terminal, and the control end of the second switch unit is electrically connected to the second voltage terminal through a second resistor module. The second switch unit is turned on in response to the first voltage at the control end and turned off in response to the second voltage at the control end.

4. The system according to claim 3, wherein The second switching module further includes: A third resistor module, and the control end of the first switch unit is electrically connected to the fifth terminal through the third resistor module; A fourth resistor module, and the control end of the second switch unit is electrically connected to the first terminal through the fourth resistor module; A fifth resistor module, and the selection signal terminal is electrically connected to the first terminal through the fifth resistor module.

5. The system according to claim 4, wherein The first voltage is a low level and the second voltage is a high level; Or, the first voltage is a high level and the second voltage is a low level.

6. The system according to any one of claims 1-6, wherein The first electronic device is a laptop computer and the second electronic device is a pluggable camera device.

7. A first connection component, characterized in that, The first connection component includes: A first connector, the first connector includes a first terminal, a second terminal, a third terminal, a fourth terminal and a fifth terminal arranged in sequence; A first signal terminal, a second signal terminal, a first voltage terminal, a second voltage terminal and a switching circuit, the first voltage terminal is used to provide a first voltage, and the second voltage terminal is used to provide a second voltage; The first voltage terminal is electrically connected to the third terminal; The switching circuit is configured to, when the first terminal is connected to the first voltage terminal, control the first signal terminal to be connected to the second terminal, control the second signal terminal to be connected to the fourth terminal, and control the second voltage terminal to be connected to the fifth terminal. When the fifth terminal is connected to the first voltage terminal, control the first signal terminal to be connected to the fourth terminal, control the second signal terminal to be connected to the second terminal, and control the second voltage terminal to be connected to the first terminal.

8. The first connection component according to claim 7, wherein The switching circuit includes: The first switching module, the first switching module includes a selection signal terminal, the selection signal terminal is electrically connected to the first terminal, and the first switching module is configured to, when the selection signal terminal is at the first voltage, control the first signal terminal to be connected to the second terminal, control the second signal terminal to be connected to the fourth terminal, and when the selection signal terminal is at the second voltage, control the first signal terminal to be connected to the fourth terminal, control the second signal terminal to be connected to the second terminal; The second switching module, the second switching module is configured to, when the first terminal is at the first voltage, control the second voltage terminal to be connected to the fifth terminal, and when the fifth terminal is at the first voltage, control the second voltage terminal to be connected to the first terminal.

9. The first connection component according to claim 8, wherein the second switching module includes: The first switch unit, the first end of the first switch unit is electrically connected to the second voltage terminal, the second end of the first switch unit is electrically connected to the first terminal, the control end of the first switch unit is electrically connected to the fifth terminal, the control end of the first switch unit is electrically connected to the second voltage terminal through a first resistor module, and the first switch unit is turned on in response to the first voltage at the control end and turned off in response to the second voltage at the control end; The second switch unit, the first end of the second switch unit is electrically connected to the second voltage terminal, the second end of the second switch unit is electrically connected to the fifth terminal, the control end of the second switch unit is electrically connected to the first terminal, the control end of the second switch unit is electrically connected to the second voltage terminal through a second resistor module, and the second switch unit is turned on in response to the first voltage at the control end and turned off in response to the second voltage at the control end.

10. The first connection component according to claim 9, wherein the second switching module further includes: The third resistor module, the control end of the first switch unit is electrically connected to the fifth terminal through the third resistor module; The fourth resistor module, the control end of the second switch unit is electrically connected to the first terminal through the fourth resistor module; The fifth resistor module, the selection signal terminal is electrically connected to the first terminal through the fifth resistor module.

11. The first connection component according to claim 10, wherein the first voltage is a low level and the second voltage is a high level; or, the first voltage is a high level and the second voltage is a low level.

12. A second connection component, characterized in that, The second connection component includes: The second connector, the second connector includes a sixth terminal, a seventh terminal, an eighth terminal, a ninth terminal, and a tenth terminal arranged in sequence; The sixth terminal is electrically connected to the eighth terminal; The functional device, the functional device includes a third signal terminal, a fourth signal terminal, a third voltage terminal, and a fourth voltage terminal, the third signal terminal is electrically connected to the seventh terminal, the fourth signal terminal is electrically connected to the ninth terminal, the third voltage terminal is electrically connected to the sixth terminal and the eighth terminal, and the fourth voltage terminal is electrically connected to the tenth terminal.

13. A first electronic device, characterized in that, The first electronic device includes the first connection component described in claims 7-11.

14. A second electronic device, characterized in that, The second electronic device includes the second connection component described in claim 12.

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