Connecting the system

Abstract

The present invention discloses a connection system for cooperating with at least one fan, wherein the fan is electrically connected to a circuit board and connected to a socket, and at least one of the sockets is arranged on a main board. The connection system comprises: at least one board-end connector, wherein the board-end connector is fixed to the circuit board; at least one line-end connector, wherein the line-end connector is connected to at least one board-end connector; at least one cable group, wherein the cable group is connected to the line-end connector; and at least one adapter element, wherein one end of the adapter element is electrically connected to at least one cable group, and the other end of the adapter element is connected to the socket, thereby realizing automated production and improving assembly efficiency.

Description

[Technical field]

[0001] The invention relates to a connection system, in particular to a connection system which can be applied to a fan. [Background technology]

[0002] An existing line-end connector is used to cooperate with a fan and connect with a board-end connector on a mainboard, so that signals can be transmitted between the fan and the mainboard. The line-end connector is often provided with a plurality of cables.

[0003] It is often necessary to short-circuit two power cables in multiple cables to form one power cable, short-circuit two ground cables in multiple cables to form one ground cable, and sometimes even to connect a resistor R in series in the middle of a cable. However, the short-circuiting of these cables and the connection of a resistor R in series on the cables are currently done manually, where the outer insulation layers of the two cables are stripped to expose the wire cores, and the two wire cores of the two cables are fixed together with a fixing glue to form a conductor, which is fixed with a fixing glue. The manual operation is inefficient. In addition, the position of the cable short-circuit is only fixed with a fixing glue. During the transportation, installation or operation of the fan, the position of the cable short-circuit will be pulled by external force, which may cause the fixing glue to loosen, resulting in poor contact at the position of the cable short-circuit, thereby affecting the signal transmission between the fan and the motherboard.

[0004] Therefore, it is necessary to design an improved connection system to overcome the above problems. [Summary of the invention]

[0005] In view of the problems faced by the background technology, the present invention aims to provide a connection system, which can realize quick short-circuiting of cables through adapter elements in the connection system, thereby realizing automated production and improving assembly efficiency.

[0006] To achieve the above purpose, the present invention adopts the following technical means:

[0007] A connection system for connecting with at least two fans, the two fans are electrically connected to a first circuit board and a second circuit board respectively, and connected to a socket, the socket is arranged on a main board, characterized in that it includes: at least two board-end connectors, namely a first board-end connector and a second board-end connector, the first board-end connector is provided with a plurality of first board-end terminals, the first board-end terminals are fixed to the first circuit board, the second board-end connector is provided with a plurality of second board-end terminals, the second board-end terminals are fixed to the second circuit board; at least one line-end connector, the line-end connector is provided with a plurality of line-end terminals, one line-end connector is connected to the first board-end connector and the second board-end connector at the same time, and each line-end terminal is connected to one first board-end terminal and one second board-end terminal at the same time; at least one cable group, the cable group is connected to the line-end connector; at least one adapter element, one end of the adapter element is electrically connected to the cable group, and the other end of the adapter element is connected to the socket.

[0008] Furthermore, each of the line end terminals is provided with a base, and a line input interface is extended from one side of the base, the cable group is fixed to the line input interface, and a first docking piece and a second docking piece are respectively extended from the other two opposite sides of the base in a direction away from the line input interface, the first docking piece is provided with a first plug interface, the second docking piece is provided with a second plug interface, the first board end terminal is plugged into the first plug interface, the second board end terminal is plugged into the second plug interface, and the plugging direction of the first board end terminal is opposite to the plugging direction of the second board end terminal.

[0009] Furthermore, the first docking member is provided with a pair of first elastic arms, the pair of first elastic arms are arranged opposite to each other, and the first board end terminal is clamped and fixed between the first elastic arms; the second docking member is provided with a pair of second elastic arms, the pair of second elastic arms are arranged opposite to each other, and the second board end terminal is clamped and fixed between the second elastic arms, and the pair of first elastic arms and the pair of second elastic arms are arranged opposite to each other.

[0010] Furthermore, the wire end terminal is provided with a connecting portion, the two ends of the connecting portion are respectively connected to the first docking piece and the second docking piece, the first docking piece is provided with at least one first bending portion, the two ends of the first bending portion are respectively connected to a pair of the first elastic arms, and the second docking piece is provided with at least one second bending portion, the two ends of the second bending portion are respectively connected to a pair of the second elastic arms.

[0011] Further, the first bending portion is provided with a first blocking portion, the first board end terminal is fixed between a pair of the first elastic arms and abuts against the first blocking portion, the first blocking portion limits the first board end terminal from being separated from the line end terminal, the second bending portion is provided with a second blocking portion, the second board end terminal is fixed between a pair of the second elastic arms and abuts against the second blocking portion, the second blocking portion limits the second board end terminal from being separated from the line end terminal, the line end connector includes a first insulating body, a second insulating body and a folding portion, the folding portion connects the first insulating body and the second insulating body, when the folding portion is folded, the first insulating body and the second insulating body are arranged in parallel and fixed to the second insulating body, the first blocking portion and the second blocking portion are arranged adjacent to the folding portion.

[0012] Furthermore, at least one of the first board end terminals and at least one of the second board end terminals are used to transmit a signal for detecting the fan speed or a signal for adjusting the fan speed. When the first board end terminal and the second board end terminal are used to transmit a signal for detecting the fan speed, the first board end terminal and the second board end terminal are respectively connected to two of the line end terminals. When the first board end terminal and the second board end terminal are used to transmit a signal for adjusting the fan speed, the first board end terminal and the second board end terminal are simultaneously connected to one of the line end terminals.

[0013] Furthermore, the adapter element is provided with a first signal channel and a second signal channel, one end of the first signal channel is electrically connected to one end of the second signal channel, an end of the first signal channel away from the second signal channel is provided with a first port, and an end of the second signal channel away from the first signal channel is provided with a second port, the motherboard or the socket is provided with a resistor, and the two ends of the resistor are respectively electrically connected to the first port and the second port, or the adapter element is provided with the resistor, the first port and the second port, and the two ends of the resistor are respectively electrically connected to the first port and the second port, and the first port and the second port are both electrically connected to the motherboard.

[0014] Further, the line end connector includes a first line end connector and a second line end connector, the cable group includes a first cable group and a second cable group, the first cable group is connected to the first line end connector, and the second cable group is connected to the second line end connector, the adapter element is an adapter board, the first cable group and the second cable group are electrically connected to one of the adapter boards at the same time, the adapter board has at least one first transmission path, at least one second transmission path and at least one combined transmission path, one end of the first transmission path is electrically connected to the first cable group, one end of the second transmission path is electrically connected to the second cable group, a combined transmission path simultaneously connects one end of the first transmission path away from the first cable group and one end of the second transmission path away from the second cable group, and the combined transmission path is electrically connected to the socket.

[0015] Furthermore, the adapter element is provided with a plurality of first plug terminals and a plurality of second plug terminals, the cable group includes a first cable group and a second cable group, the first cable group is fixed to the first plug terminal, the second cable group is fixed to the second plug terminal, the first plug terminal is fixed to the front side of the adapter element, the second plug terminal is fixed to the back side of the adapter element, and the first plug terminal and the second plug terminal are staggered.

[0016] A connection system for cooperating with at least one fan, wherein one of the fans is electrically connected to a circuit board and connected to a socket, wherein at least one of the sockets is arranged on a mainboard, and is characterized in that it comprises: at least one board-end connector, wherein one of the board-end connectors is fixed to one of the circuit boards; at least one line-end connector, wherein one of the line-end connectors is connected to at least one of the board-end connectors; at least one cable group, wherein one of the cable groups is connected to one of the line-end connectors; and at least one adapter element, wherein one end of the adapter element is electrically connected to at least one of the cable groups, and the other end of the adapter element is connected to the socket.

[0017] Furthermore, the connection system is used to cooperate with at least two fans, each of the adapter elements is provided with a first signal channel and a second signal channel, one end of the first signal channel is electrically connected to one end of the second signal channel, the end of the first signal channel away from the second signal channel is provided with a first port, and the end of the second signal channel away from the first signal channel is provided with a second port, the mainboard is provided with a plurality of resistors or each of the sockets 8 is provided with a resistor, and the two ends of each resistor are respectively electrically connected to the first port and the second port, or each of the adapter elements is provided with a resistor, a first port and a second port, and the two ends of each resistor are respectively electrically connected to the first port and the second port of the same adapter element, and the first port and the second port are both electrically connected to the mainboard.

[0018] Further, at least one of the line-end connectors is two of the line-end connectors, at least one of the cable groups is two of the cable groups, one of the cable groups is connected to one of the line-end connectors, and the two of the cable groups are electrically connected to one of the adapter boards at the same time, and the adapter board has at least one first transmission path, at least one second transmission path, and at least one combined transmission path, one end of the first transmission path is electrically connected to one of the cable groups, one end of the second transmission path is electrically connected to the other of the cable groups, and a combined transmission path simultaneously connects the first transmission path and one end of the second transmission path away from the cable group, and the combined transmission path is electrically connected to the socket.

[0019] Furthermore, at least one of the adapter elements is a plug, the plug is provided with a plurality of plug terminals, the plug terminals with the same definition are arranged adjacent to each other, and at least one pair of the plug terminals with the same definition are electrically connected, the plug is provided with a first signal channel and a second signal channel, one end of the first signal channel is electrically connected to one end of the second signal channel, and the first signal channel, the second signal channel and the plug terminal are located on the same side of the plug, a first port is provided at one end of the first signal channel away from the second signal channel, and a second port is provided at one end of the second signal channel away from the first signal channel, the mainboard is provided with a plurality of resistors or each of the sockets is provided with a resistor, and the two ends of the resistor are respectively electrically connected to the first port and the second port of the same plug.

[0020] Furthermore, at least one of the adapter elements is a plug, which is provided with two rows of plug terminals, one row of the plug terminals includes a plurality of signal terminals and a plurality of power terminals, the width of each of the signal terminals is smaller than the width of each of the power terminals, and the distance between two adjacent power terminals is greater than the distance between two adjacent signal terminals or between adjacent power terminals and the signal terminal.

[0021] Furthermore, any plug terminal in one row of the plug terminals is staggered with any corresponding plug terminal in another row of the plug terminals, and the arrangement order of the plug terminals in one row is the same as the arrangement order of the plug terminals in part of another row.

[0022] Furthermore, the cable group includes a plurality of wires, the wires are arranged in at least one row, and two adjacent wires are fixed to each other.

[0023] Compared with the prior art, the present invention has the following beneficial effects: the connection system is used to electrically connect with at least one of the fans and the mainboard, and the connection system includes at least one of the board-end connectors, one of the line-end connectors, one of the cable groups, and one of the adapter elements. The board-end connector is fixed to the circuit board, the line-end connector is connected to at least one of the board-end connectors, one of the cable groups is connected to one of the line-end connectors, one end of the adapter element is electrically connected to at least one of the cable groups, and the other end of the adapter element is connected to the socket. In addition, the connection system plays a role in signal transmission or signal conversion, and the cable group can be quickly short-circuited through the adapter element. Compared with manual short-circuiting of the cable group, it can realize automated production and improve assembly efficiency. In addition, one of the wire end connectors is simultaneously connected to the first board end connector and the second board end connector, and each of the wire end terminals is simultaneously connected to one of the first board end terminals and one of the second board end terminals. Compared with each wire end connector being connected to only one board end connector, the number of the wire end connectors is reduced, which effectively reduces the workload of the workers and improves the efficiency of assembly. At the same time, one of the wire end connectors and one of the cable groups are reduced, which also saves costs.

Brief Description of the Drawings

[0024] Figure 1 A perspective view of a first embodiment of a fan device of the present invention;

[0025] Figure 2 for Figure 1 3D exploded view of

[0026] Figure 3 A schematic diagram of a frame of a first embodiment of a fan device of the present invention;

[0027] Figure 4 It is a schematic diagram of the framework of a second embodiment of a fan device of the present invention;

[0028] Figure 5 is a perspective view of a third embodiment of a fan device of the present invention;

[0029] Figure 6 for Figure 5 3D exploded view of

[0030] Figure 7 Schematic diagrams of the board-end connector, the line-end connector and the circuit board in the third, fourth, fifth and sixth embodiments of the present invention;

[0031] Figure 8 It is a schematic diagram of the assembly of the wire end connector in the third, fourth, fifth and sixth embodiments of the present invention to the wire end insulating body;

[0032] Fig. 9 is a three-dimensional diagram of the wire end terminal in the third, fourth, fifth and sixth embodiments of the present invention;

[0033] Fig.10 It is a stereoscopic diagram of the wire end terminal and two board end terminals in the third, fourth, fifth and sixth embodiments of the present invention being connected;

[0034] Fig.11 for Fig.10 A cross-sectional view of

[0035] Fig.12 It is a schematic diagram of a framework of a PWM signal line short circuit in a third embodiment of the present invention;

[0036] Fig.13 is a perspective view of a fourth embodiment of a fan device F of the present invention;

[0037] Fig.14 for Fig.13 3D exploded view of

[0038] Fig.15 for Fig.14 A partial cross-sectional view of

[0039] Fig.16 A schematic diagram of a frame of a fourth embodiment of a fan device of the present invention;

[0040] Fig.17 is a perspective view of a fifth embodiment of the present invention;

[0041] Fig.18 is a rear view of a plug in a fifth embodiment of the present invention;

[0042] Fig.19is a schematic diagram of a sixth embodiment of a fan device according to the present invention;

[0043] Fig. 20 for Fig.19 A perspective view of a plug;

[0044] Fig.21 for Fig. 20 A top view of

[0045] Fig. 22 for Fig. 20 A front view of

[0046] Fig.23 This is a three-dimensional exploded view of the plug and cable assembly;

[0047] Fig.24 for Fig.23 A three-dimensional combination diagram of the plug and cable set.

[0048] Description of the accompanying drawings for the specific implementation:

[0049]

[0050] [Specific implementation method]

[0051] In order to facilitate a better understanding of the purpose, structure, characteristics and effects of the present invention, the present invention is further described in conjunction with the accompanying drawings and specific implementation methods.

[0052] like Figure 1-3 As shown, the connection system 100 of the present invention defines a left-right direction (the arrangement direction of the connection system 100 and the circuit board 7), an up-down direction (the plugging direction of the board-end connector 1 and the line-end connector 2) and a front-back direction perpendicular to the left-right direction.

[0053] Figure 1-3 This is the first embodiment of the fan device F of the present invention. The fan device F comprises a plurality of fans 5, a plurality of circuit boards 7, a connection system 100, a plurality of sockets 8 and a mainboard. The plurality of sockets 8 are all arranged on the mainboard.

[0054] A connection system 100, one end of which is used to cooperate with the plurality of fans 5, and the other end of which is used to electrically connect to the motherboard. The connection system 100 includes a plurality of sub-connection systems 100, each of which is electrically connected to one of the fans 5. Figure 2As shown, each of the sub-connection systems 100 includes a board-end connector 1, a line-end connector 2, a cable group 3 and a switching element 4 in sequence. The board-end connector 1 is fixed to the circuit board 7, one end of the line-end connector 2 is connected to the board-end connector 1, and the other end of the line-end connector 2 is connected to the cable group 3; one end of the switching element 4 is electrically connected to the cable group 3, and the other end of the switching element 4 is connected to the socket 8, and the switching element 4 plays a role in signal transmission or signal switching.

[0055] The board-end connector 1 includes a plurality of board-end terminals 11 , and the line-end connector 2 includes a plurality of line-end terminals 21 . Each of the board-end terminals 11 is connected to each of the line-end terminals 21 .

[0056] The cable group 3 includes a plurality of cables, such as Figure 3 As shown, the cables can be two signal cables 31, a power cable 32 and a ground cable 33. The two signal cables 31 are respectively used to transmit FG signals (Frequency Generator signals for detecting the speed of the fan 5) and cables for transmitting PWM signals (Pulse Width Modulation signals for regulating the speed of the fan 5). The cables can also be two signal cables 31, two power cables 32 and one ground cable 33. The two power cables 32 can be a 24V power transmission cable and a 5V power transmission cable. Replacing the conventional 12V power transmission cable with a 24V power transmission cable reduces the current by increasing the voltage, thereby reducing the heat generation. Conventional electronic components basically use the 12V power transmission cable to step down to 5V for transmitting FG signals and for transmitting PWM signals. After replacing the conventional 12V power transmission cable with a 24V power transmission cable, due to the increase in voltage, when it needs to be converted into 5V, the required voltage reduction amplitude increases, and the corresponding electronic components required for voltage reduction are more expensive, that is to say, the cost of voltage reduction of the 24V power transmission cable increases. Therefore, by adding a 5V power transmission cable, the voltage reduction step can be omitted, thereby reducing the cost of voltage reduction. In addition, since this fan device F is provided with a 24V power transmission cable, this fan device F can be applied to high-voltage devices, while the conventional fan device F can basically only be applied to personal computers, industrial computers, office computers and conventional servers because it only has a 12V power transmission cable. The two power cables 32 can also be two 12V power transmission cables for transmitting large currents. When the two power cables 32 are two 12V power transmission cables, the grounding cables 33 are two, and the number of the grounding cables 33 increases, the grounding effect is better, and the transmission of large currents is better.

[0057] like Figure 2-3As shown, the adapter element 4 is an adapter board 4A, and the adapter board 4A is provided with a resistor R, a first port 43, a second port 44 and a grounding terminal 45, and the grounding terminal 45 is electrically connected to the grounding cable 33. The two ends of the resistor R are electrically connected to the first port 43 and the second port 44 respectively, and the first port 43 and the second port 44 are both electrically connected to the socket 8, the first port 43 is a positive pole, and the second port 44 is a negative pole. The second port 44 is close to the grounding terminal 45, which facilitates the short circuit between the grounding terminal 45 and the negative pole without crossing the positive pole. Each of the adapter boards 4A is provided with a resistor R, that is, each sub-connection system 100 is electrically connected to a resistor R, and the resistance value of each resistor R is different. Correspondingly, a plurality of IC chips are provided on the main board, and each of the IC chips is electrically connected to a resistor R, and the resistor R forms a loop with the IC chip. The fan 5 corresponding to the resistor R can be identified by the different resistance values ​​of the resistor R, and the fan 5 corresponding to the resistor R can be identified by the resistor R, that is, the resistor R can play the role of identity position detection. When a fan 5 among the multiple fans 5 fails, a set of square waves can be read on the mainboard, which is different from the preset speed, that is, the speed of a fan 5 does not match the preset speed, and the corresponding resistor R can quickly determine which fan 5 is the failed fan 5.

[0058] When the connection system 100 of this embodiment is assembled and applied, the fan 5 is first fixed in the fan frame 6, and then the circuit board 7 is fixed in the fan frame 6 and electrically connected to the fan 5. Then, the board-end terminal 11 is assembled into a board-end insulating body, and the board-end terminal 11 is welded to the circuit board 7. Then, one end of the cable group 3 is riveted onto the line-end terminal 21, and covered with an upper cover 25, and the line-end terminal 21 and the cable are fixed to a line-end insulating body. Then, the line-end connector 2 and the cable group 3 are assembled together on the line-end connector 2, so that the line-end connector 2 is connected to the board-end connector 1, and then the other end of the cable group 3 is welded to the adapter board 4A, and the resistor R is welded to the adapter board 4A, and then the adapter board 4A is fixed to the fan frame 6. Finally, the adapter board 4A is connected to the socket 8 to electrically connect the adapter board 4A to the mainboard.

[0059] like Figure 4 This is a second embodiment of the fan device F of the present invention.

[0060] The difference between this embodiment and the first embodiment is that the adapter element 4 is a plug 4B, and the plug 4B is connected to the socket 8. The plug 4B is provided with a first signal channel 41 and a second signal channel 42, one end of the first signal channel 41 is electrically connected to one end of the second signal channel 42, the first signal channel 41 is provided with a first port 43 at one end away from the second signal channel 42, and the second signal channel 42 is provided with a second port 44 at one end away from the first signal channel 41, and the mainboard or the socket 8 is provided with a resistor R, and the two ends of the resistor R are electrically connected to the first port 43 and the second port 44 respectively.

[0061] The plug 4B is provided with a plurality of plug terminals, including a plurality of power terminals 44B, a plurality of signal terminals 43B, and a plurality of ground terminals. The plug terminals with the same definition are arranged adjacent to each other, specifically, the power terminals 44B are arranged adjacent to each other, the signal terminals 43B are arranged adjacent to each other, and the ground terminals are arranged adjacent to each other, so as to facilitate the direct short-circuiting of the plug terminals with the same definition without short-circuiting across the terminals. In this embodiment, the first signal channel 41 and the second signal channel 42 are respectively two short-circuited plug terminals, and the first port 43 and the second port 44 are respectively two free ends of the two short-circuited plug terminals, and the two ends of the resistor R are respectively electrically connected to the two free ends.

[0062] When the connection system 100 of this embodiment is assembled and applied, the fan 5 is first fixed in the fan frame 6, and then the circuit board 7 is fixed in the fan frame 6 and electrically connected to the fan 5. Then, the board terminal 11 is assembled into the board end insulating body and the board end terminal 11 is welded to the circuit board 7. Then, one end of the cable group 3 is riveted to the line end terminal 21, and the upper cover 25 is covered to fix the line end terminal 21 and the cable to the line end insulating body. Then, the line end connector 2 and the cable group 3 are assembled together on the line end connector 2 so that the line end connector 2 is connected to the board end connector 1. Then, the other end of the cable group 3 is pierced and riveted on the plug terminal so that the cable group 3 is electrically connected to the plug terminal. Then, the plug 4B is fixed to the fan frame 6, and then the resistor R is welded to the main board. Finally, the plug 4B is connected to the socket 8 so that the plug 4B is electrically connected to the main board.

[0063] like Figure 5-12 This is the third embodiment of the fan device F of the present invention.

[0064] The difference between this embodiment and the first embodiment and the second embodiment is that each of the sub-connection systems 100 is electrically connected to two of the fans 5, and the two fans 5 are electrically connected to a first circuit board 7A and a second circuit board 7B respectively, and are connected to the socket 8, and the connection system 100 includes a plurality of sub-connection systems 100. Figure 6-7 As shown, each of the sub-connection systems 100 includes a first board-end connector 1A and a second board-end connector 1B, a wire-end connector 2, a cable group 3 and a transition element 4, and each of the wire-end connectors 2 is simultaneously connected to the first board-end connector 1A and the second board-end connector 1B. Compared with each wire-end connector 2 being connected to only one board-end connector 1, one wire-end connector 2 is reduced. Since the number of the wire-end connectors 2 is reduced, the assembly efficiency is high, the workload of the workers is effectively reduced, and the space occupied is small. At the same time, one group of the cable groups 3 can be reduced, saving costs. The first board-end connector 1A is provided with a plurality of first board-end terminals 11A, and the first board-end terminals 11A are fixed to the first circuit board 7A; the second board-end connector 1B is provided with a plurality of second board-end terminals 11B, and the second board-end terminals 11B are fixed to the second circuit board 7B; the line-end connector 2 is provided with a plurality of line-end terminals 21, and each of the line-end terminals 21 is simultaneously connected to one of the first board-end terminals 11A and one of the second board-end terminals 11B, which improves the assembly efficiency compared to one of the line-end terminals 21 being connected to only one of the board-end terminals 11.

[0065] like Figure 9-11 As shown, each of the wire end terminals 21 is provided with a base 211, and a wire entry interface 212 is extended from one side of the base 211. The cable group 3 is riveted to the wire entry interface 212. A first docking piece 213 and a second docking piece 214 are respectively extended from the other two opposite sides of the base 211 in a direction away from the wire entry interface 212. The wire end terminal 21 is provided with a connecting portion 215, and the two ends of the connecting portion 215 are respectively connected to the first docking piece 213 and the second docking piece 214.

[0066] The first docking member 213 is provided with a first plug-in port 2131, a pair of first elastic arms 2132 and two first bending portions 2133. The pair of first elastic arms 2132 are arranged opposite to each other. The first board-end terminal 11A is plugged into the first plug-in port 2131 and clamped and fixed between the pair of first elastic arms 2132. The second docking member 214 is provided with a second plug-in port 2141, a pair of second elastic arms 2142 and two second bending portions 2143. The pair of second elastic arms 2142 are arranged opposite to each other. The second board-end terminal 11B is clamped and fixed between the second elastic arms 2142. The pair of first elastic arms 2132 and the pair of second elastic arms 2142 are arranged opposite to each other. The second board-end terminal 11B is plugged into the second plug-in port 2141 and clamped and fixed between the pair of second elastic arms 2142. The line terminal 21 is provided with a pair of the first elastic arms 2132 and a pair of the second elastic arms 2142. Compared with only one first elastic arm 2132 and one second elastic arm 2142, two more contact points are provided, so that the contact between the board terminal 11 and the line terminal 21 is more stable. Moreover, the pair of the first elastic arms 2132 and the pair of the second elastic arms 2142 are arranged opposite to each other, which can play a balancing role. The plugging direction of the first board terminal 11A is opposite to the plugging direction of the second board terminal 11B, so that the force of the line terminal 21 in the plugging direction can be offset, making the line terminal 21 more stable. Moreover, the plugging direction of the first board terminal 11A and the second board terminal 11B is perpendicular to the direction in which the cable group 3 is riveted to the line input interface 212, that is, the force received by the line terminal 21 when the cable group 3 is assembled is in the left-right direction, which will not affect the plugging of the first board terminal 11A and the second board terminal 11B in the up-down direction.

[0067] Since the first docking member 213 and the second docking member 214 are subjected to large forces in the up-down direction when docking with the first board terminal 11A and the second board terminal 11B respectively, and are prone to deformation, the connecting portion 215 is connected between the first docking member 213 and the second docking member 214, thereby increasing the strength of the first docking member 213 and the second docking member 214, making the first docking member 213 and the second docking member 214 less likely to deform, thereby ensuring stable contact between the first board terminal 11A and the first docking member 213, and between the second board terminal 11B and the second docking member 214. The first docking member 213 is provided with two first bending portions 2133, and the two ends of the first bending portions 2133 are respectively connected to a pair of the first elastic arms 2132, and the second docking member 214 is provided with two second bending portions 2143, and the two ends of the second bending portions 2143 are respectively connected to a pair of the second elastic arms 2142. The first elastic arm 2132 and the second elastic arm 2142 are located between the first bending portion 2133 and the second bending portion 2143, that is, the first plug interface 2131 and the second plug interface 2141 are bent from outside to inside, and the space is large, so it is convenient to bend, and the wire end terminal 21 is easy to form.

[0068] like Figure 10-11 As shown, one of the first bending portions 2133 is provided with a first blocking portion 2134, the first board-end terminal 11A is clamped between a pair of the first elastic arms 2132 and abuts against the first blocking portion 2134, the first blocking portion 2134 limits the first board-end terminal 11A from detaching upward from the wire end terminal 21, and the first board-end terminal 11A is located between the two first bending portions 2133, and the two first bending portions 2133 limit the board-end terminal 11 from detaching from the pair of the first elastic arms 2132 along the left-right direction. Similarly, one of the second bending portions 2143 is provided with a second blocking portion 2144, the second board end terminal 11B is clamped between a pair of second elastic arms 2142 and abuts against the second blocking portion 2144, and the second board end terminal 11B is located between the two second bending portions 2143, the second blocking portion 2144 limits the second board end terminal 11B from detaching upward from the wire end terminal 21, and the two second bending portions 2143 limit the board end terminal 11 from detaching from the pair of second elastic arms 2142 in the left and right directions.

[0069] like Figure 7-8As shown, the line end connector 2 includes a first insulating body 22, a second insulating body 23 and a folding portion 24, the folding portion 24 connects the first insulating body 22 and the second insulating body 23, when the folding portion 24 is folded, the first insulating body 22 and the second insulating body 23 are arranged in parallel and fixed to the second insulating body 23, the first resisting portion 2134 and the second resisting portion 2144 are arranged adjacent to the folding portion 24. When the folding portion 24 undergoes elastic deformation, since the first bending portion 2133 and the second bending portion 2143 are arranged close to the folding portion 24, the resisting portion is subjected to greater force, thereby ensuring that the board terminal 11 and the line end terminal 21 are locked in place.

[0070] like Fig.12 As shown, one of the first board-end terminals 11A and one of the second board-end terminals 11B is used to transmit an FG signal or a PWM signal. When the first board-end terminal 11A and the second board-end terminal 11B are used to transmit an FG signal, the first board-end terminal 11A and the second board-end terminal 11B are respectively connected to the two line-end terminals 21. When the first board-end terminal 11A and the second board-end terminal 11B are used to transmit a PWM signal, the first board-end terminal 11A and the second board-end terminal 11B are simultaneously connected to one line-end terminal 21. The board-end terminal 11 used to transmit the FG signal is not short-circuited, which facilitates the mainboard to identify which fan 5 the detected speed signal of the fan 5 corresponds to. The board-end terminal 11 used to transmit the PWM signal is short-circuited, and the mainboard can uniformly adjust the speed signal of the fan 5, which is more convenient and quick.

[0071] When the connection system 100 of this embodiment is assembled and applied, the two fans 5 are first fixed in the fan frame 6, and then the first circuit board 7A and the second circuit board 7B are fixed in the fan frame 6, and the two fans 5 are electrically connected to the first circuit board 7A and the second circuit board 7B respectively, and then the first board terminal 11A is assembled into a first insulating body 22 and the second board terminal 11B is assembled into a second board end insulating body, and then the first board terminal 11A and the second board terminal 11B are respectively welded to the first circuit board 7A and the second circuit board 7B, so that the first board connector 1A and the second board connector 1B are respectively fixed to the first circuit board 7A and the second circuit board 7B, and then one end of the cable group 3 is riveted to the line input interface 212, and cover it with an upper cover 25, fix the line end terminal 21 and the cable on the line end insulating body at the same time, then plug the first board end terminal 11A into the first plug port 2131, a pair of the first elastic arms 2132 clamp the first board end terminal 11A, plug the second board end terminal 11B into the second plug port 2141, a pair of the second elastic arms 2142 clamp the second board end terminal 11B, so that the line end connector 2 and the cable group 3 are simultaneously connected to the first board end connector 1A and the second board end connector 1B, then weld the other end of the cable group 3 to the adapter board 4A, and weld the resistor R to the adapter board 4A, finally dock the adapter board 4A to the socket 8, so that the adapter board 4A is electrically connected to the mainboard.

[0072] Figure 13-16 This is the fourth embodiment of the fan device F of the present invention.

[0073] The difference between this embodiment and the third embodiment is that each of the sub-connection systems 100 is electrically connected to four fans 5. Compared with one sub-connection system 100 being used only to connect to two fans 5, the heat dissipation efficiency of four fans 5 is higher. The four fans 5 are electrically connected to the first circuit board 7A, the second circuit board 7B, a third circuit board 7C and a fourth circuit board 7D respectively. The first board-end connector 1A, the second board-end connector 1B, a third board-end connector 1C and a fourth board-end connector 1D are fixed to the first circuit board 7A, the second circuit board 7B, the third circuit board 7C and the fourth circuit board 7D respectively. The first board-end connector 1A is provided with a plurality of first board-end terminals 11A, which are fixed to the first circuit board 7A; the second board-end connector 1B is provided with a plurality of second board-end terminals 11B, which are fixed to the second circuit board 7B; the third board-end connector 1C is provided with a plurality of third board-end terminals 11C, which are fixed to the third circuit board 7C; the fourth board-end connector 1D is provided with a plurality of fourth board-end terminals 11D, which are fixed to the fourth circuit board 7D. The two line-end connectors 2 include a first line-end connector 2A and a second line-end connector 2B, the first line-end connector 2A is provided with a plurality of first line-end terminals 21A, the second line-end connector 2B is provided with a plurality of second line-end terminals 21B, one first line-end connector 2A is connected to one first board-end connector 1A and one second board-end connector 1B at the same time, and one second line-end connector 2B is connected to one third board-end connector 1C and one fourth board-end connector 1D at the same time. Each of the first line terminal 21A is connected to one of the first board terminal 11A and one of the second board terminal 11B at the same time, and each of the second line terminal 21B is connected to one of the third board terminal 11C and one of the fourth board terminal 11D at the same time.

[0074] like Fig.14 , 16As shown, the adapter element 4 is the adapter plate 4A, and the first cable group 3A and the second cable group 3B are electrically connected to the front and back surfaces of the adapter plate 4A respectively. The adapter plate 4A has at least one first transmission path 41A, at least one second transmission path 42A and at least one combined transmission path 43A, one end of the first transmission path 41A is electrically connected to the first cable group 3A, one end of the second transmission path 42A is electrically connected to the second cable group 3B, and a combined transmission path 43A simultaneously connects one end of the first transmission path 41A away from the first cable group 3A and one end of the second transmission path 42A away from the second cable group 3B, and the combined transmission path 43A is electrically connected to the socket 8. The short circuit is set on the adapter plate 4A, which can realize automation and simplify the process compared to the short circuit set on the cable group 3. The cable group 3 is welded on the adapter board 4A. Compared with assembling the cable group 3 on one of the line end connectors 2, there is no need to connect the cable group 3 to the line end terminals 21 on the line end connector 2 respectively. The cable group 3 is directly welded on the adapter board 4A, which greatly simplifies the process.

[0075] When the connection system 100 of this embodiment is assembled and applied, the four fans 5 are first fixed in the fan frame 6, and then the first circuit board 7A, the second circuit board 7B, the third circuit board 7C and the fourth circuit board 7D are fixed in the fan frame 6, and the four fans 5 are electrically connected to the first circuit board 7A, the second circuit board 7B, the third circuit board 7C and the fourth circuit board 7D respectively, and then the first board terminal 11A is assembled into a first insulating body 22, the second board terminal 11B is assembled into a second board terminal insulating body, the third board terminal 11C is assembled into a third board terminal insulating body and the fourth board terminal 11D is assembled into a fourth board terminal insulating body. The first board terminal 11A, the second board terminal 11B, the third board terminal 11C and the fourth board terminal 11D are respectively welded to the first circuit board 7A, the second circuit board 7B, the third circuit board 7C and the fourth circuit board 7D, so that the first board connector 1A, the second board connector 1B, the third board connector 1C and the fourth board connector 1D are respectively fixed to the first circuit board 7A, the second circuit board 7B, the third circuit board 7C and the fourth circuit board 7D, and then one end of the first cable group 3A is riveted to the input interface 212 of the first line terminal 21A, and covered with a first upper cover 25, One end of the second cable group 3B is riveted onto the line input interface 212 of the second line terminal 21B, and a second upper cover 25 is covered, the first line terminal 21A and the first cable are fixed simultaneously on a first line terminal insulating body, and the second line terminal 21B and the second cable are fixed simultaneously on a second line terminal insulating body, and then the first board terminal 11A is plugged into the first plugging interface 2131 of the first line terminal 21A, a pair of the first elastic arms 2132 of the first line terminal 21A clamp the first board terminal 11A, and the second board terminal 11B is plugged into the second plugging interface 2141 of the first line terminal 21A, and the The pair of the second elastic arms 2142 of the second line terminal 21B clamps the second board terminal 11B, so that the first line terminal connector 2A and the first cable group 3A are simultaneously connected to the first board terminal connector 1A and the second board terminal connector 1B, the third board terminal 11C is plugged into the first plug port 2131 of the second line terminal 21B, the pair of the first elastic arms 2132 of the second line terminal 21B clamps the third board terminal 11C, the fourth board terminal 11D is plugged into the second plug port 2141 of the second line terminal 21B, the pair of the second elastic arms 2142 of the second line terminal 21B clamps the fourth board terminal 11D,The second line-end connector 2B and the second cable group 3B are simultaneously connected to the third board-end connector 1C and the fourth board-end connector 1D. Then, the other ends of the first cable group 3A and the second cable group 3B are respectively welded to the front and back surfaces of the adapter board 4A, and the resistor R is welded to the adapter board 4A. Finally, the adapter board 4A is connected to the socket 8 to electrically connect the adapter board 4A to the main board.

[0076] Figure 17-18 This is the fifth embodiment of the fan device F of the present invention.

[0077] The difference between this embodiment and the fourth embodiment is that the adapter element 4 is a combination of an adapter plate 4A and a plug 4B. The plug 4B is provided with a plurality of first plug terminals 41B and a plurality of second plug terminals 42B, the first cable group 3A is fixed to the first plug terminal 41B, the second cable group 3B is fixed to the second plug terminal 42B, the first cable group 3A and the second cable group 3B can be fixed to the first plug terminal 41B and the second plug terminal 42B respectively by piercing and clamping the wire, the first plug terminal 41B is fixed to the front side of the adapter element 4, the second plug terminal 42B is fixed to the back side of the adapter element 4, and the first plug terminal 41B and the second plug terminal 42B are arranged in a staggered manner, the piercing and clamping wire is more efficient than the welding wire, and the production line is easier to realize automation. The first plug terminal 41B and the second plug terminal 42B are staggered and can press the wire at the same time, which improves efficiency.

[0078] Figure 19-24 This is the sixth embodiment of the fan device F of the present invention.

[0079] The difference between this embodiment and the fifth embodiment is that: Figure 19-20 As shown, the switching element 4 is a plug 4B, and the resistor R is arranged on the main board or the socket 8. The plug 4B is provided with a row of the first plug terminals 41B and a row of the second plug terminals 42B, and the first plug terminals 41B and the second plug terminals 42B can be molded into the body of the plug 4B, and the first plug terminals 41B and the second plug terminals 42B each include a plurality of signal terminals 43B and a plurality of power terminals 44B. Figure 20-22As shown, the width of each signal terminal 43B is smaller than the width of each power terminal 44B. In a limited space, reducing the width of the signal terminal 43B can increase the width of the power terminal 44B, and the current passing through the power terminal 44B increases, thereby increasing the power of the power terminal 44B. The distance between two adjacent power terminals 44B is greater than the distance between two adjacent signal terminals 43B or between an adjacent power terminal 44B and a signal terminal 43B. Since the distance between adjacent power terminals 44B is greater than the distance between the signal terminals 43B or between an adjacent power terminal 44B and a signal terminal 43B, the heat dissipation space between the power terminals 44B is larger, and the heat dissipation effect is better. Figure 23-24 As shown, the cable group 3 includes a plurality of wires, which are arranged in two rows. The two rows of wires are respectively welded to the first plug terminal 41B and the second plug terminal 42B. The two adjacent wires in each row are fixed to each other, so when the plurality of wires are welded to the plug 4B, the operation can be performed at one time, which is conducive to automation. The two adjacent wires in each row can be fixed with glue, and the plurality of wires can be wrapped and fixed in a row with a fixing sleeve, or fixed with other fixing elements.

[0080] like Fig. 22 As shown, one row of the first plug terminals 41B and another row of the second plug terminals 42B are staggered. Compared with the two rows of the plug terminals not being staggered, the staggering will make the heat dissipation space larger, and when the first plug terminals 41B and the second plug terminals 42B are molded, the first plug terminals 41B and the second plug terminals 42B can be fixed at the same time, making the molding convenient and quick, instead of separately fixing the first plug terminals 41B and the second plug terminals 42B twice. The arrangement order of the first plug terminals 41B is the same as the arrangement order of part of the second plug terminals 42B. Since the arrangement order of the first plug terminals 41B and the second plug terminals 42B has an overlapping part, the same set of molds can be used when manufacturing the first plug terminals 41B and the second plug terminals 42B, without opening two sets of molds, saving costs.

[0081] The connection system 100 of the present invention has the following beneficial effects:

[0082] (1) The connection system 100 plays a role in signal transmission or signal switching, and compared with the short-circuiting method of manually stripping the outer insulation layers of two cables to expose the wire cores, fixing the two wire cores of the two cables together with a fixing glue, and synthesizing a wire, the cable group 3 can be quickly short-circuited through the adapter element 4 in the connection system 100, which can realize automated production and improve assembly efficiency. Moreover, the resistor R is directly welded on the adapter element 4, which is more convenient than short-circuiting the resistor R on the cable group 3.

[0083] (2) Each of the wire-end connectors 2 is connected to two of the board-end connectors 1 at the same time. Compared with each of the wire-end connectors 2 being connected to only one of the board-end connectors 1, the number of the wire-end connectors 2 is reduced, which effectively reduces the workload of workers and improves the efficiency of assembly. At the same time, one wire-end connector 2 and one group of the cable groups 3 are reduced, which also saves costs.

[0084] (3) When the adapter element 4 includes the plug 4B, the first plug terminal 41B and the second plug terminal 42B are staggered, so that the cable group 3 can be pierced and clamped on the plug terminal at one time, instead of piercing and clamping the cable group 3 on the plug terminal in batches, thereby improving efficiency; at the same time, the staggered arrangement will increase the heat dissipation space between the first plug terminal 41B and the second plug terminal 42B, and the heat dissipation effect will be better. When the first plug terminal 41B and the second plug terminal 42B are molded, the first plug terminal 41B and the second plug terminal 42B can be fixed at the same time, making the molding convenient and quick, instead of fixing the first plug terminal 41B and the second plug terminal 42B separately in two times.

[0085] (4) The first board-end terminal 11A is clamped between a pair of the first elastic arms 2132 and abuts against the first retaining portion 2134. The first retaining portion 2134 limits the first board-end terminal 11A from detaching upward from the wire-end terminal 21. The first board-end terminal 11A is located between the two first bending portions 2133. The two first bending portions 2133 and the pair of the first elastic arms 2132 limit the board-end terminal 11 from detaching in the left-right direction, thereby ensuring that the first board-end terminal 11A is in stable contact with the first docking member 213. In addition, the two ends of the connecting portion 215 are respectively connected to the first docking member 213 and the second docking member 214, which increases the strength of the first docking member 213 and the second docking member 214, making the first docking member 213 and the second docking member 214 less likely to deform, and the plugging direction of the first board-end terminal 11A is opposite to the plugging direction of the second board-end terminal 11B, so the force in the plugging direction can be offset during plugging, ensuring stable contact between the first board-end terminal 11A and the first docking member 213 and the second board-end terminal 11B and the second docking member 214.

[0086] (5) Since a server is often provided with a plurality of fan modules, when one of the fan modules fails, since each of the sub-connection systems 100 is electrically connected to a resistor R, and the resistance values ​​of the resistors R corresponding to the plurality of fan modules are different, each of the IC chips is electrically connected to a resistor R, and the resistor R and the IC chip form a loop. When a square wave read on the IC chip is different from a preset square wave, the corresponding resistor R can be used to quickly determine which fan 5 has failed, without having to disassemble the plurality of fan modules together for checking one by one, thereby saving time for checking and achieving high efficiency.

[0087] The following detailed description is only an explanation of the preferred embodiments of the present invention, and does not limit the patent scope of the present invention. Therefore, all equivalent technical changes made by using the present invention specification and illustrations are included in the patent scope of the present invention.

Claims

1. A connection system for connecting at least two fans, wherein the two fans are electrically connected to a first circuit board and a second circuit board respectively, and connected to a socket, wherein the socket is provided on a main board, wherein: include: The at least two board-end connectors are respectively a first board-end connector and a second board-end connector, wherein the first board-end connector is provided with a plurality of first board-end terminals, the first board-end terminals are fixed to the first circuit board, and the second board-end connector is provided with a plurality of second board-end terminals, the second board-end terminals are fixed to the second circuit board; At least one line end connector, wherein the line end connector is provided with a plurality of line end terminals, one of the line end connectors is simultaneously connected to the first board end connector and the second board end connector, and each of the line end terminals is simultaneously connected to one of the first board end terminals and one of the second board end terminals; at least one cable group, the cable group being connected to the line end connector; At least one adapter element, one end of which is electrically connected to the cable set, and the other end of which is connected to the socket, the adapter element is provided with a first signal channel and a second signal channel, and one end of the first signal channel is electrically connected to one end of the second signal channel.

2. The connection system according to claim 1, characterized in that: Each of the line end terminals is provided with a base, and a line input interface is extended from one side of the base. The cable group is fixed to the line input interface. A first docking piece and a second docking piece are respectively extended from the other two opposite sides of the base in a direction away from the line input interface. The first docking piece is provided with a first plug interface, and the second docking piece is provided with a second plug interface. The first board end terminal is plugged into the first plug interface, and the second board end terminal is plugged into the second plug interface, and the plugging direction of the first board end terminal is opposite to the plugging direction of the second board end terminal.

3. The connection system according to claim 2, characterized in that: The first docking member is provided with a pair of first elastic arms, the pair of first elastic arms are arranged opposite to each other, and the first board end terminal is clamped and fixed between the first elastic arms. The second docking member is provided with a pair of second elastic arms, the pair of second elastic arms are arranged opposite to each other, and the second board end terminal is clamped and fixed between the second elastic arms. The pair of first elastic arms and the pair of second elastic arms are arranged opposite to each other.

4. The connection system according to claim 3, characterized in that: The wire end terminal is provided with a connecting portion, and the two ends of the connecting portion are respectively connected to the first docking piece and the second docking piece. The first docking piece is provided with at least one first bending portion, and the two ends of the first bending portion are respectively connected to a pair of first elastic arms. The second docking piece is provided with at least one second bending portion, and the two ends of the second bending portion are respectively connected to a pair of second elastic arms.

5. The connection system according to claim 4, characterized in that: The first bending portion is provided with a first blocking portion, the first board end terminal is fixed between a pair of the first elastic arms and abuts against the first blocking portion, the first blocking portion limits the first board end terminal from being separated from the line end terminal, the second bending portion is provided with a second blocking portion, the second board end terminal is fixed between a pair of the second elastic arms and abuts against the second blocking portion, the second blocking portion limits the second board end terminal from being separated from the line end terminal, the line end connector includes a first insulating body, a second insulating body and a folding portion, the folding portion connects the first insulating body and the second insulating body, when the folding portion is folded, the first insulating body and the second insulating body are arranged in parallel and fixed to the second insulating body, the first blocking portion and the second blocking portion are arranged adjacent to the folding portion.

6. The connection system according to claim 1, characterized in that: At least one of the first board terminal and at least one of the second board terminal are used to transmit a signal for detecting the fan speed or a signal for adjusting the fan speed. When the first board terminal and the second board terminal are used to transmit a signal for detecting the fan speed, the first board terminal and the second board terminal are respectively connected to two of the line terminal terminals. When the first board terminal and the second board terminal are used to transmit a signal for adjusting the fan speed, the first board terminal and the second board terminal are simultaneously connected to one of the line terminal terminals.

7. The connection system according to claim 1, characterized in that: A first port is provided at one end of the first signal channel away from the second signal channel, and a second port is provided at one end of the second signal channel away from the first signal channel. The mainboard or the socket is provided with a resistor, and the two ends of the resistor are electrically connected to the first port and the second port respectively, or the switching element is provided with the resistor, the first port and the second port, and the two ends of the resistor are electrically connected to the first port and the second port respectively, and the first port and the second port are both electrically connected to the mainboard.

8. The connection system according to claim 1, characterized in that: The wire end connector includes a first wire end connector and a second wire end connector, the cable group includes a first cable group and a second cable group, the first cable group is connected to the first wire end connector, and the second cable group is connected to the second wire end connector, the adapter element is an adapter board, the first cable group and the second cable group are electrically connected to one of the adapter boards at the same time, the adapter board has at least one first transmission path, at least one second transmission path and at least one combined transmission path, one end of the first transmission path is electrically connected to the first cable group, one end of the second transmission path is electrically connected to the second cable group, a combined transmission path simultaneously connects one end of the first transmission path away from the first cable group and one end of the second transmission path away from the second cable group, and the combined transmission path is electrically connected to the socket.

9. The connection system according to claim 1, characterized in that: The adapter element is provided with a plurality of first plug terminals and a plurality of second plug terminals, the cable group includes a first cable group and a second cable group, the first cable group is fixed to the first plug terminal, the second cable group is fixed to the second plug terminal, the first plug terminal is fixed to the front side of the adapter element, the second plug terminal is fixed to the back side of the adapter element, and the first plug terminal and the second plug terminal are arranged in a staggered manner.

10. A connection system for cooperating with at least one fan, wherein one of the fans is electrically connected to a circuit board and connected to a socket, wherein at least one of the sockets is provided on a main board, wherein: include: At least one board-end connector, one of the board-end connectors is fixed to one of the circuit boards; At least one line end connector, one of the line end connectors is connected to at least one of the board end connectors; at least one cable group, one of the cable groups being connected to one of the line end connectors; At least one adapter element, one end of the adapter element is electrically connected to at least one of the cable groups, and the other end of the adapter element is connected to the socket. The adapter element is provided with a first signal channel and a second signal channel, and one end of the first signal channel is electrically connected to one end of the second signal channel.

11. The connection system according to claim 10, characterized in that: The connection system is used to cooperate with at least two fans. Each of the adapter elements is provided with a first signal channel and a second signal channel. The first signal channel is provided with a first port at one end away from the second signal channel, and the second signal channel is provided with a second port at one end away from the first signal channel. The mainboard is provided with a plurality of resistors or each of the sockets is provided with a resistor, and the two ends of each resistor are respectively electrically connected to the first port and the second port, or each of the adapter elements is provided with a resistor, a first port and a second port, and the two ends of each resistor are respectively electrically connected to the first port and the second port of the same adapter element, and the first port and the second port are both electrically connected to the mainboard.

12. The connection system according to claim 10, characterized in that: At least one of the line-end connectors is two of the line-end connectors, at least one of the cable groups is two of the cable groups, one of the cable groups is connected to one of the line-end connectors, the adapter element is an adapter board, the two of the cable groups are electrically connected to one of the adapter boards at the same time, the adapter board has at least one first transmission path, at least one second transmission path and at least one combined transmission path, one end of the first transmission path is electrically connected to one of the cable groups, one end of the second transmission path is electrically connected to the other of the cable groups, a combined transmission path simultaneously connects the first transmission path and one end of the second transmission path away from the cable group, and the combined transmission path is electrically connected to the socket.

13. The connection system according to claim 10, characterized in that: At least one of the adapter elements is a plug, and the plug is provided with a plurality of plug terminals. The plug terminals with the same definition are arranged adjacent to each other, and at least one pair of the plug terminals with the same definition are electrically connected. The plug is provided with a first signal channel and a second signal channel, one end of the first signal channel is electrically connected to one end of the second signal channel, and the first signal channel, the second signal channel and the plug terminal are located on the same side of the plug, a first port is provided at one end of the first signal channel away from the second signal channel, and a second port is provided at one end of the second signal channel away from the first signal channel, the mainboard is provided with a plurality of resistors or each of the sockets is provided with a resistor, and the two ends of the resistor are respectively electrically connected to the first port and the second port of the same plug.

14. The connection system according to claim 10, characterized in that: At least one of the adapter elements is a plug, which is provided with two rows of plug terminals, one row of the plug terminals includes a plurality of signal terminals and a plurality of power terminals, the width of each of the signal terminals is smaller than the width of each of the power terminals, and the distance between two adjacent power terminals is greater than the distance between two adjacent signal terminals or between adjacent power terminals and the signal terminal.

15. The connection system according to claim 14, characterized in that: Any of the plug terminals in one row of the plug terminals is staggered with any of the corresponding plug terminals in another row of the plug terminals, and the arrangement order of the plug terminals in one row is the same as the arrangement order of the plug terminals in part of another row.

16. The connection system according to claim 10, characterized in that: The cable group includes a plurality of wires, which are arranged in at least one row, and two adjacent wires are fixed to each other.

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