TW201919286A - Automatic switching circuit board - Google Patents

Abstract

An automatic switching circuit board for connecting a first wire or a second wire is disclosed. The automatic switching circuit board includes a first slot, a second slot, a first switch, a processor, a power module and a circuit controlling module. The first slot is used for being plugged by the first wire. The second slot is used for being plugged by the second wire. The first switch is connected to the first slot. The circuit controlling module is electrically connected to the first switch, the processor and the power module, and used for controlling the first slot, the second slot, the processor and the power module to be electrically connected or disconnected.

Description

Automatic switching board

The present invention relates to an automatic switching circuit board having a plurality of interfaces, and more particularly to an automatic switching circuit board that can automatically switch between circuits of different interfaces in conjunction with wires that are plugged into the interface.

In the home environment where ordinary people live, they usually have a telephone and a television; the telephone can be connected to an external network by a wire having an RJ11 terminal, and the television can also be connected to an external network by a coaxial cable. Therefore, people who want to install a network at home often install a network base station at home. The network base station has an RJ11 terminal connection slot, a coaxial cable connection slot and at least one internal network connection slot. The RJ11 terminal connection slot can be connected with a wire having an RJ11 terminal, and the coaxial cable connection slot can be connected to the coaxial cable; therefore, the user Wires with RJ11 terminals or coaxial cables and appropriate connection slots can be used to connect to the external network according to their needs. The internal network connection slot can be connected to the general computer network route, so that the computer connected to the network route can go online smoothly.

A typical coaxial cable has a central metal wire. The coaxial cable connection slot has an exposed metal cylinder, the metal cylinder can be inserted into the central metal wire of the coaxial cable, and the metal surface of the exposed metal cylinder is powered; thereby, when the central metal wire is plugged into In the case of a metal cylinder, the metal cylinder supplies power to the coaxial cable to electrically connect the metal cylinder and the central metal wire to each other and to electrically connect to the external network. However, when the user touches the exposed metal cylinder, the power on the metal surface of the metal cylinder is also transmitted to the user, causing the user to feel pain due to electric shock.

Therefore, it is necessary to provide a circuit board that can automatically switch internal circuits so that the coaxial cable connection slots do not output power and cause the user to get an electric shock when not in use.

SUMMARY OF THE INVENTION A primary object of the present invention is to provide an automatic switching circuit board that can automatically switch between circuits of different interfaces by mating with wires that are plugged into the interface.

To achieve the above object, an automatic switching circuit board of the present invention is used to connect a first transmission line or a second transmission line. The automatic switching circuit board includes a first slot, a second slot, a first switch, a processor, a power module, and a circuit control module. The first slot is for the first transmission line to be plugged. The second slot is for plugging in the second transmission line. The first switch is connected to the first slot. The circuit control module is electrically connected to the first switch, the processor and the power module, and is used for controlling the electrical connection or the electrical connection between the first slot, the second slot, the processor and the power module. When the first transmission line is plugged into the first slot, the first transmission line drives the first switch, and the circuit control module controls the first slot to be electrically connected to the processor and the power module, and disconnects the second slot and Electrical connection between power modules. When the second transmission line is plugged into the second slot, the circuit control module controls the second slot to be electrically connected to the processor and the power module.

According to an embodiment of the invention, when the first transmission line is plugged into the first slot, the first transmission line pushes the first switch and causes the first switch to generate a first switching message; the first switching message is transmitted to the circuit Control module. According to the first switching message, the circuit control module controls the first slot to be electrically connected to the processor and the power module, and disconnects the electrical connection between the second slot and the power module.

According to an embodiment of the invention, the first switch comprises a first trigger lever, a first elastic member and a trigger circuit. The first triggering rod is connected to the first elastic member, and the first triggering rod is movably connected to the first slot; when the first transmission line is inserted into the first slot, the first transmission line pushes the first triggering bar, so that the first triggering The lever triggers the first trigger circuit to generate a first switching message.

According to an embodiment of the invention, the circuit control module further includes a first relay and a second relay. The first relay is electrically connected to the first switch and the processor, and is configured to control the electrical connection or the electrical connection between the first slot, the second slot and the processor. The second relay is electrically connected to the first switch and the power module, and is used for controlling the electrical connection or the electrical connection between the first slot, the second slot and the power module.

According to an embodiment of the present invention, the circuit control module further includes a first relay electrically connected to the first switch, the processor and the power module, and configured to control the first slot, the second slot, The processor and the power module are electrically connected or disconnected from each other.

According to an embodiment of the invention, the automatic switching circuit board further includes a second switch, and the second switch is connected to the second slot. When the second transmission line is plugged into the second slot, the second transmission line pushes the second switch and causes the second switch to generate a second switching message. The second switching message is transmitted to the circuit control module. According to the second switching message, the circuit control module controls the second slot to be electrically connected to the processor and the power module.

According to an embodiment of the invention, the second switch further includes a second trigger lever, a second elastic member and a second trigger circuit. One end of the second trigger lever is connected to the second slot, the other end of the second trigger lever is connected to the second trigger circuit, and the second elastic member is connected to the second trigger lever; when the second transmission line is inserted into the second slot, the second The transmission line pushes the second trigger lever such that the second trigger lever triggers the second trigger circuit to generate a second switching message.

According to an embodiment of the present invention, when the first transmission line is plugged into the first slot and the second transmission line is plugged into the second slot, the first switching line and the first switching message generated by the first transmission line pushing the first switch The second switching message generated by the second transmission line pushing the second switch is transmitted to the circuit control module. The circuit control module receiving the first switching message and the second switching message only controls the first slot to be electrically connected to the processor and the power module according to the first switching message, and disconnects the second slot and The electrical connection between the power modules; or the circuit control module that receives the first switching message and the second switching message, only controls the second slot to be electrically connected to the processor and the power source according to the second switching message Module.

According to an embodiment of the invention, wherein the first transmission line is a mesh route having an RJ45 terminal or an RJ11 terminal, and the second transmission line is a coaxial cable.

In order to enable the reviewing committee to better understand the technical contents of the present invention, the preferred embodiments are described below.

Hereinafter, please refer to FIG. 1 to FIG. 6a together with the automatic switching type circuit board of the first embodiment of the present invention. 1 is a schematic diagram of an automatic switching circuit board according to a first embodiment of the present invention; FIG. 2 is a schematic diagram of a first transmission line connected to an automatic switching circuit board according to a first embodiment of the present invention; FIG. 3 is the first embodiment of the present invention; 2 is a schematic view of a second transmission line and an automatic switching circuit board of the first embodiment; FIG. 4 is a partial cross-sectional view of the first transmission line and the automatic switching circuit board of the first embodiment of the present invention; FIG. 5 is a first embodiment of the present invention; The first transmission line is connected to a partial cross-sectional view of the automatic switching circuit board; FIG. 6 is a system architecture diagram of the automatic switching circuit board in which the first relay of the first embodiment of the present invention is electrically connected to the first slot; FIG. A system architecture diagram of an automatic switching circuit board in which a second relay of the first embodiment of the present invention is electrically connected to a second slot.

In the first embodiment of the present invention, as shown in FIG. 1 to FIG. 4, the automatic switching circuit board 1 is a circuit board applied to a network base station, and can be connected to a first transmission line 200 or a second transmission line. 300, and is electrically connected to an external network (not shown) by the connected first transmission line 200 or the second transmission line 300. The first transmission line 200 of the first embodiment has a first housing 210, and the first housing 210 is an RJ11 terminal. However, the type of the first housing 210 of the first transmission line 200 is not limited thereto. RJ45 terminal. The second transmission line 300 is a coaxial cable having a second housing 310. In the present invention, one end of the first transmission line 200 and the second transmission line 300 can be plugged into the automatic switching circuit board 1, and the other ends of the first transmission line 200 and the second transmission line 300 are electrically connected to the external network.

In the first embodiment of the present invention, as shown in FIG. 1 to FIG. 3 and FIG. 6, the automatic switching circuit board 1 includes a first slot 10, a second slot 20, and a third slot 30. A first switch 40, a processor 60, a power module 70, and a circuit control module 80. The first slot 10 is an RJ11 terminal slot for plugging the RJ11 terminal of the first transmission line 200. The second slot 20 is a coaxial cable slot having a tubular conductive joint 21 for inserting a coaxial cable of the second transmission line 300, and the surface of the conductive joint 21 is provided with electric power, and the conductive joint 21 can provide power to the second transmission line 300. The third slot 30 is used for plugging in the network route, and the automatic switchable circuit board 1 is electrically connected to other electronic devices that need to access the Internet, such as a computer (not shown), through the network route; The electronic device can be electrically connected to the automatic switching circuit board 1 through the network route, and then electrically connected to the external network through the first transmission line 200 or the second transmission line 300 that is plugged into the automatic switching circuit board 1.

In the first embodiment of the present invention, as shown in FIG. 4 and FIG. 5, the first switch 40 is a push-type switch including a first trigger lever 41, a first elastic member 42 and a first Trigger circuit 43. The first trigger lever 41 is coupled to the first elastic member 42, and the first trigger lever 41 is movably coupled to the first slot 10. When the first transmission line 200 is inserted into the first slot 10, the first housing 210 of the first transmission line 200 pushes the first trigger lever 41 of the first switch 40, so that the first trigger lever 41 moves along the pushing direction B. . The first trigger lever 41 moving along the pushing direction B will hit the first trigger circuit 43 and trigger the first trigger circuit 43 so that the first trigger circuit 43 generates a first switching message. After the first housing 210 is removed from the first slot 10, the first elastic member 42 pushes the first trigger lever 41 along the elastic direction A, so that the first trigger lever 41 does not contact the first trigger circuit 43, so that A trigger circuit 43 stops generating the first switching message or generates a second switching message.

In the first embodiment of the present invention, as shown in FIG. 1 and FIG. 6, the processor 60 is, for example, a central processing unit (CPU) for controlling and coordinating the automatic switching circuit board 1 Signal transmission between the various electronic components, and also control of signal transmission between the third slot 30 and the electronic device connected to the third slot 30. Thereby, when the third slot 30 is plugged into the network route, and when the first slot 10 is plugged into the first transmission line 200 or when the second slot 20 is plugged into the second transmission line 300, the electronic device that needs to access the Internet can be automatically switched. The circuit board 1 transmits signals to an external network or receives signals from an external network. The power module 70 is used to connect an external power source to supply power to the various electronic components of the auto-switching circuit board 1. The circuit control module 80 includes a first relay 81 and a second relay 82. The first relay 81 of the embodiment is used to transmit an electronic signal of the information type. The first relay 81 is electrically connected to the first switch 40 and the processor 60, and is used for controlling the first slot 10, the second slot 20, and the processing. The devices 60 are electrically connected to each other or disconnected from each other; thus, the electronic signals of the information of the processor 60 can be transmitted to the first slot 10 or the second slot 20. The second relay 82 of the embodiment is used for transmitting electrical signals of the power class, and the second relay 82 is electrically connected to the first switch 40 and the power module 70, and is used for controlling the first slot 10, the second slot 20, and The power modules 70 are electrically connected or disconnected from each other; thus, the power signals of the power module 70 can be transmitted to the first slot 10 or the second slot 20.

In the first embodiment, as shown in FIG. 4 to FIG. 6, when the first transmission line 200 is plugged into the first slot 10, so that the first switch 40 generates the first switching message, after receiving the first switching message, the circuit The control module 80 controls the circuit between the first relay 81 and the first slot 10 to be electrically connected according to the first switching message, so that the first slot 10 is electrically connected to the processor 60, and the circuit control module 80 is The first switching message controls the circuit between the second relay 82 and the first slot 10 to be turned on, so that the first slot 10 is also electrically connected to the power module 70; thus, the first relay 81 and the second relay can be made The circuit between the relay 82 and the second slot 20 is disconnected, so that the electrical connection between the second slot 20 and the processor 60 and the power module 70 is disconnected, so that the second slot 20 cannot be coupled to the processor 60. The electronic signals of the information type are mutually transmitted, and the power is not obtained from the power module 70; and the first slot 10 can also transmit information-type electronic signals to and from the processor 60, and can also obtain power from the power module 70. In addition, as shown in FIG. 3 and FIG. 6a, when the second transmission line 300 is plugged into the second slot 20, and the first transmission line 200 is not plugged into the first slot 10, the first trigger circuit 43 does not generate. The first switching message does not pass the first switching message to the first switching message; at this time, the circuit control module 80 that does not receive the first switching message controls the first relay 81 and the first slot 10 The circuit is disconnected, and the circuit between the second relay 82 and the first slot 10 is also controlled to be disconnected, and the circuit between the first relay 81, the second relay 82 and the second slot 20 is turned on, so that the second The slot 20 is electrically connected to the processor 60 and the power module 70, so that the second slot 20 can transmit information-type electronic signals to and from the processor 60, and can also obtain power from the power module 70.

When the user wants to use the automatic switching circuit board 1 together with the first transmission line 200, as shown in FIG. 2, FIG. 4 to FIG. 6, the user can insert the first transmission line 200 into the first slot 10. At this time, the first housing 210 of the first transmission line 200 pushes the first trigger lever 41 of the first switch 40, and the pushed first trigger lever 41 triggers the first trigger circuit 43 such that the first trigger lever 41 follows Push direction B to move. The first triggering lever 41 moving along the pushing direction B will hit the first triggering circuit 43 and trigger the first triggering circuit 43 so that the first triggering circuit 43 generates a first switching message. The first trigger circuit 43 transmits the first switching message to the processor 60, and the processor 60 transmits the first switching message to the circuit control module 80. As shown in FIG. 6, when the circuit control module 80 receives the first switching message, the circuit control module 80 controls the circuit between the first relay 81 and the first slot 10 to be turned on according to the first switching message. a slot 10 is electrically connected to the processor 60, and controls the circuit between the second relay 82 and the first slot 10 to be electrically connected, so that the first slot 10 is electrically connected to the power module 70; The circuit between the relay 81 and the second relay 82 is disconnected from the second slot 20, so that the electrical connection between the second slot 20 and the processor 60 and the power module 70 is broken. In this way, the first transmission line 200 can electrically connect the automatic switching circuit board 1 to the external network, and the power of the power module 70 and the electronic signal of the processor 60 are not transmitted to the second slot 20, so The surface of the conductive joint 21 of the second slot 20 is not provided with electric power, which can prevent an accident such as an electric shock when the user touches the conductive joint 21.

When the user wants to use the automatic switching board 1 together with the second transmission line 300, the user can plug the second transmission line 300 to the second slot 20 and prevent the first transmission line 200 from being plugged into the first insertion. Slot 10. As shown in FIG. 3 and FIG. 6a, when the second transmission line 300 is plugged into the second slot 20, and the first transmission line 200 is not plugged into the first slot 10, the first trigger circuit 43 does not generate the first Switching the message to the circuit control module 80; at this time, the circuit control module 80 that has not received the first switching message controls the circuit disconnection between the first relay 81 and the first slot 10, and controls the second relay 82. The circuit between the first slot 10 and the second slot 20 is turned on, and the second slot 20 is electrically connected to the processor 60 and Power module 70. In this way, the second transmission line 300 can electrically connect the automatic switching circuit board 1 to the external network, and when the second transmission line 300 is plugged over the second slot 20, the second casing of the second transmission line 300 The body 310 surrounds the conductive joint 21 of the second slot 20, so that the second housing 310 can prevent the user from directly touching the conductive joint 21 to prevent an accident such as electric shock.

Hereinafter, please refer to FIG. 7 to FIG. 8 together with the automatic switching type circuit board of the second embodiment of the present invention. 7 is a schematic diagram of an automatic switching circuit board according to a second embodiment of the present invention; and FIG. 8 is a system architecture diagram of an automatic switching circuit board according to a second embodiment of the present invention.

As shown in FIG. 7 and FIG. 8, the difference between the second embodiment and the first embodiment is that, in the automatic switching circuit board 1a of the second embodiment, the circuit control module 80a includes only a first relay 81a. The circuit control module 80a does not include a second relay. The first relay 81a is designed to transmit electronic signals of the electronic class and the information type. The first relay 81a is electrically connected to the first switch 40, the processor 60 and the power module 70, and is used for controlling the first slot 10 and the second. The slot 20, the processor 60 and the power module 70 are electrically connected or disconnected from each other. When the first transmission line is plugged into the first slot 10, so that the first switch 40 generates the first switching message, the circuit control module 80a controls the first relay 81a and the first slot 10 according to the first switching message. The circuit is turned on, so that the first slot 10 is electrically connected to the processor 60 and the power module 70, and the circuit between the first relay 81a and the second slot 20 is disconnected, so that the second slot 20 and the power source The electrical connection between the modules 70 is broken. When the second transmission line is plugged into the second slot 20, and the first transmission line is not plugged into the first slot 10, the first trigger circuit 43 does not generate the first switching message to the circuit control module 80a; The circuit control module 80a that has not received the first switching message controls the circuit disconnection between the first relay 81a and the first slot 10, and turns on the circuit between the first relay 81a and the second slot 20. The second slot 20 is electrically connected to the processor 60 and the power module 70.

Hereinafter, please refer to FIG. 9 to FIG. 11 together with the automatic switching type circuit board of the third embodiment of the present invention. 9 is a schematic diagram of a second transmission line and an automatic switching circuit board according to a third embodiment of the present invention; and FIG. 10 is a schematic diagram of a second transmission line connected to an automatic switching circuit board according to a third embodiment of the present invention; A system architecture diagram of an auto-switched circuit board of a third embodiment of the invention.

As shown in FIGS. 9 to 11, the third embodiment differs from the first embodiment in that, in the third embodiment, the automatic switching type circuit board 1b further includes a second switch 50. The second switch 50 is a push switch that is coupled to the second slot 20. The second switch 50 includes a second trigger lever 51, a second elastic member 52, and a second trigger circuit 53. One end of the second trigger lever 51 is connected to the second slot 20, the other end of the second trigger lever 51 is connected to the second trigger circuit 53, and the second elastic member 52 is connected to the second trigger lever 51 and the second slot 20. The second trigger circuit 53 includes a first elastic piece 531 and a second elastic piece 532. When the second transmission line 300 is inserted into the second slot 20, the second transmission line 300 pushes the second trigger lever 51, so that the second trigger lever 51 triggers the second trigger circuit 53, so that the first elastic piece 531 and the second elastic piece 532 are mutually Touching to generate a second switching message. According to the second switching message, the circuit control module 80 controls the circuit disconnection between the first relay 81, the second relay 82, and the first slot 10, and controls the first relay 81, the second relay 82, and the second plug. The circuit between the slots 20 is turned on such that the second slot 20 is electrically connected to the processor 60 and the power module 70. When the second transmission line 300 is removed from the second slot 20, the second elastic member 52 pushes the second trigger lever 51, so that the second trigger lever 51 no longer causes the first elastic piece 531 and the second elastic piece 532 to touch each other. To stop generating the second switching message.

In addition, when the first transmission line 200 is plugged into the first slot 10 and the second transmission line 300 is also plugged into the second slot 20 at the same time, the first transmission line 200 pushes the first switch 40 to generate the first switching message and The second switching message generated by the second transmission line 300 pushing the second switch 50 is transmitted to the circuit control module 80. The circuit control module 80 receiving the first switching message and the second switching message only controls the circuit between the first relay 81, the second relay 82 and the first slot 10 to be turned on according to the first switching message, so that The first slot 10 is electrically connected to the processor 60 and the power module 70, and disconnects the circuit between the first relay 81, the second relay 82 and the second slot 20, so that the second slot 20 is disconnected and An electrical connection between the processor 60 and the power module 70 is provided. However, the circuit switching mode after the first transmission line 200 and the second transmission line 300 are simultaneously inserted is not limited to the above, and may also be designed as a circuit control module 80 that receives the first switching message and the second switching message. According to the second switching message, the circuit between the first relay 81, the second relay 82 and the second slot 20 is controlled to be electrically connected, and the second slot 20 is electrically connected to the processor 60 and the power module 70. Alternatively, the automatic switching circuit board 1b can be designed to have a software control interface, which allows the user to freely select the circuit control module 80 that receives the first switching message and the second switching message, according to the first switching message or the first Second, switch the message and do the corresponding circuit switching.

The structure of the automatic switching circuit board 1, 1a, 1b of the present invention can be electrically connected to the external network through the connected first transmission line 200 or the second transmission line 300, and can be matched with the slot inserted into the slot. A transmission line 200 or a second transmission line 300 automatically switches circuits of different slots to prevent the external surface of the unused slot from leaking out of power and causing an accident of electric shock to the user.

It should be noted that the above is only an embodiment, and is not limited to the embodiment. For example, those who do not depart from the basic structure of the present invention should be bound by the scope of the patent, and the scope of the patent application shall prevail.

1, 1a, 1b‧‧‧Automatic switching board

10‧‧‧First slot

20‧‧‧second slot

21‧‧‧Electrical connector

30‧‧‧ third slot

40‧‧‧First switch

41‧‧‧First trigger lever

42‧‧‧First elastic parts

43‧‧‧First trigger circuit

50‧‧‧second switch

51‧‧‧second trigger lever

52‧‧‧Second elastic parts

53‧‧‧Second trigger circuit

531‧‧‧First shrapnel

532‧‧‧Second shrapnel

60‧‧‧ processor

70‧‧‧Power Module

80, 80a‧‧‧ circuit control module

81, 81a‧‧‧ first relay

82‧‧‧Second relay

200‧‧‧First transmission line

210‧‧‧First housing

300‧‧‧second transmission line

310‧‧‧Second housing

A‧‧‧Flex direction

B‧‧‧ Driving direction

1 is a schematic view of an automatic switching circuit board of a first embodiment of the present invention. 2 is a schematic diagram of a first transmission line connected to an automatic switching circuit board according to a first embodiment of the present invention. 3 is a schematic view showing a second transmission line and an automatic switching circuit board of the first embodiment of the present invention. Figure 4 is a partial cross-sectional view showing a first transmission line and an automatic switching circuit board of the first embodiment of the present invention. Figure 5 is a partial cross-sectional view showing the first transmission line connection automatic switching type circuit board of the first embodiment of the present invention. 6 is a system architecture diagram of an automatic switching circuit board in which a first relay of the first embodiment of the present invention is electrically connected to a first slot. 6a is a system architecture diagram of an automatic switching circuit board in which a second relay of the first embodiment of the present invention is electrically connected to a second slot. Figure 7 is a schematic illustration of an automatic switching circuit board of a second embodiment of the present invention. Figure 8 is a system architecture diagram of an automatic switching circuit board according to a second embodiment of the present invention. Figure 9 is a schematic illustration of a second transmission line and an automatically switched circuit board of a third embodiment of the present invention. Figure 10 is a schematic view showing the second transmission line connected to the automatic switching type circuit board of the third embodiment of the present invention. Figure 11 is a system architecture diagram of an automatic switching circuit board of a third embodiment of the present invention.

Claims (9)

An automatic switching circuit board for connecting a first transmission line or a second transmission line, the automatic switching circuit board comprising: a first slot for inserting the first transmission line; a second slot, The first switch is connected to the first slot; a first switch is connected to the first slot; a processor; a power module; and a circuit control module electrically connected to the first switch, the processor, and The power module is configured to control electrical connection or disconnection between the first slot, the second slot, the processor, and the power module; wherein when the first transmission line is plugged into In the first slot, the first transmission line drives the first switch, and the circuit control module controls the first slot to be electrically connected to the processor and the power module, and disconnects the second slot An electrical connection with the power module; wherein when the second transmission line is plugged into the second slot, the circuit control module controls the second slot to be electrically connected to the processor and the power module group. The automatic switching circuit board of claim 1, wherein when the first transmission line is plugged into the first slot, the first transmission line pushes the first switch and causes the first switch to generate a first a switching message; the first switching message is transmitted to the circuit control module; and the circuit control module controls the first slot to be electrically connected to the processor and the power module according to the first switching message, And disconnecting the electrical connection between the second slot and the power module. The automatic switchable circuit board of claim 2, wherein the first switch comprises a first trigger lever, a first elastic member and a first trigger circuit, the first trigger lever connecting the first elastic And the first trigger lever is movably connected to the first slot; when the first transmission line is plugged into the first slot, the first transmission line pushes the first trigger lever, such that the first trigger lever The first trigger circuit is triggered to generate a first switching message. The automatic switching circuit board of claim 3, wherein the circuit control module further comprises a first relay and a second relay; the first relay is electrically connected to the first switch and the processor, The second switch is electrically connected to the first switch, the second slot and the processor, and the electrical connection is electrically disconnected; the second relay is electrically connected to the first switch and the power module, and is used for The electrical connection between the first slot, the second slot, and the power module is electrically connected or disconnected. The automatic switching circuit board of claim 3, wherein the circuit control module further comprises a first relay electrically connected to the first switch, the processor and the power module, And controlling the first slot, the second slot, the processor and the power module to electrically or disconnect electrically from each other. The automatic switchable circuit board of claim 4 or 5, further comprising a second switch connected to the second slot; when the second transmission line is plugged into the second plug In the slot, the second transmission line pushes the second switch and causes the second switch to generate a second switching message; the second switching message is transmitted to the circuit control module; according to the second switching message, the circuit controls The module controls the second slot to be electrically connected to the processor and the power module. The automatic switchable circuit board of claim 6, wherein the second switch further comprises a second trigger lever, a second elastic member and a second trigger circuit, wherein the second trigger lever is connected to the one end a second slot, the other end of the second trigger lever is connected to the second trigger circuit, the second elastic member is connected to the second trigger lever; when the second transmission line is inserted into the second slot, the second The transmission line pushes the second trigger lever such that the second trigger lever triggers the second trigger circuit to generate a second switching message. The automatic switching circuit board of claim 7, wherein the first transmission line is inserted into the first slot and the second transmission line is plugged into the second slot, the first transmission line The first switching message generated by pushing the first switch and the second switching message generated by the second transmission line pushing the second switch are transmitted to the circuit control module; receiving the first switching message and The circuit control module of the second switching message only controls the first slot to be electrically connected to the processor and the power module according to the first switching message, and disconnects the second slot and The electrical connection between the power modules; or the circuit control module that receives the first switching message and the second switching message, only controls the second slot electrical connection according to the second switching message To the processor and the power module. The automatic switching circuit board of claim 8, wherein the first transmission line is a mesh route having an RJ45 terminal or an RJ11 terminal, and the second transmission line is a coaxial cable.