CN211406175U - Network switcher - Google Patents

Abstract

The utility model relates to a network switch belongs to network communication tool technical field, and it includes two network input interfaces and a network output interface, and the electricity is connected with switching control module between two network input interfaces and the network output interface, and switching control module electricity is connected with the switching button, and switching control module receives the key signal of switching button and controls being connected of network output interface and two network input interfaces according to key signal. The utility model provides a network switch can conveniently switch required network, need not plug net twine.

Description

Network switcher

Technical Field

The utility model belongs to the technical field of network communication tool technique and specifically relates to a network switch is related to.

Background

The influence of the network on the life and work of people is more and more obvious, and the network security problem also draws more and more attention of people. The most effective method for ensuring network security is to separate the internal local area network from the wide area network to realize physical isolation, but if necessary, the method still needs to be connected to the wide area network for data and information exchange. At present, a universal network switching mode adopts a plugging network cable to connect the required network cable to equipment, and although other equipment does not need to be added, the network cable is plugged for many times, so that the interface of the network cable is easy to loosen, and the stability of network connection is influenced.

Therefore, a new technical solution is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a network switch utilizes this network switch, can conveniently switch required network, need not plug net twine.

The above object of the present invention is achieved by the following technical solutions:

a network switcher comprises two network input interfaces and a network output interface, wherein a switching control module is electrically connected between the two network input interfaces and the network output interface, the switching control module is electrically connected with a switching key, and the switching control module receives a key signal of the switching key and controls the connection of the network output interface and the two network input interfaces according to the key signal.

By adopting the technical scheme, two network input interfaces and one network output interface are arranged, and the switching control module is arranged to control the communication between the network input interfaces and the network input interfaces, so that the connection of a wide area network and an internal local area network can be simultaneously and mechanically connected onto network equipment, when network switching is required, the original network connection is not required to be pulled down, and the network connection switching can be carried out only by pressing the switching key.

The utility model discloses further set up to: the switching control module comprises a control chip connected with the switching key, the control chip is electrically connected with two analog switch chips for respectively controlling the two network input interfaces, and the two analog switch chips are connected with the two network input interfaces and a network output interface.

By adopting the technical scheme, the switching control module controls the two analog switch chips in parallel through the control chip, so that the switching control of the connection of the network input interface and the network output interface is realized.

The utility model discloses further set up to: the switching control module is connected with an indicating module, and the indicating module comprises indicating lamps in one-to-one correspondence with the two network input interfaces.

By adopting the technical scheme, the indication module is arranged under the indication of the indicator lamps in one-to-one correspondence with the network input interfaces, so that a user can quickly know the current network connection state and whether the network is successfully switched during network switching.

The utility model discloses further set up to: the switching control module is further connected with an energy supply module, the energy supply module comprises a USB interface and a filter circuit, and the energy supply module provides electric energy required for switching for the network switcher.

Through adopting above-mentioned technical scheme, through setting up energy supply module and providing required electric energy when switching to switching control module, be convenient for energy supply module and acquire external power electric energy through setting up the USB interface.

The utility model discloses further set up to: the network input interface and the network output interface are connected with a PCB and are electrically connected through the PCB, and the switching control module is arranged on the PCB and is electrically connected with the network input interface and the network output interface through the PCB.

By adopting the technical scheme, the network input interface and the network output interface can be electrically connected by arranging the PCB, and meanwhile, the network input interface and the network output interface are integrated on the PCB, so that the whole volume of the network switcher is reduced, and the integration degree is higher.

The utility model discloses further set up to: the two network input interfaces are arranged at one end of the PCB in parallel, the network output interface is arranged at one end of the PCB, which is away from the network input interface, and the USB interface and the network output interface are arranged in parallel.

By adopting the technical scheme, the network input interface and the network output interface are arranged at the two ends of the PCB, so that the network input interface and the network output interface can be rapidly identified, and meanwhile, the USB interface and the network output interface are arranged at one end of the PCB in parallel, so that the installation and the arrangement of various interfaces on the PCB are more compact.

The utility model discloses further set up to: the PCB outside cover is equipped with the protecting crust, PCB outside perisporium is contradicted with the protecting crust inner wall, two network input interface and one network output interface all runs through the protecting crust and flushes with the protecting crust outer wall.

Through adopting above-mentioned technical scheme, through setting up the protecting crust in the PCB board outside, protect each component of installation on the PCB board, set up PCB board outer wall and conflict with the protecting crust inner wall simultaneously and make the PCB board can better install in the protecting crust, avoid the PCB board to rock and cause the off-line.

To sum up, the utility model discloses a beneficial technological effect does: the network switcher is arranged, so that a user can simultaneously keep the network cables of the wide area network and the internal local area network mechanically connected to the network equipment, and the switching is carried out under the control of the switching control module by pressing the switching key; the network connection is displayed by setting the indication module, so that a user can quickly or the current network connection state and whether the network switching is successful or not; the network input interface, the network output interface, the indication module and the like are integrated on the PCB, so that the size of the network switcher is reduced, and the integration degree is improved.

Drawings

Fig. 1 is a schematic view of a part of the structure of the present invention, mainly showing the installation and connection relationship of each component on the PCB;

FIG. 2 is a circuit diagram of the present invention;

fig. 3 is a schematic view of the overall structure of the present invention.

In the figure, 1, a network input interface; 2. a network output interface; 3. a switching control module; 31. a control chip; 32. an analog switch chip; 4. switching a key; 5. an indication module; 51. an indicator light; 6. an energy supply module; 61. a USB interface; 62. a filter circuit; 7. a PCB board; 8. a protective shell; 81. a button.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, in order to the present invention discloses a network switch, including a PCB board 7 and two network input interfaces 1 and a network output interface 2 disposed on the PCB board 7, the two network input interfaces 1 are respectively used for connecting a wide area network and an internal local area network, i.e. one of the network input interfaces 1 is connected to the wide area network, the other network input interface 1 is connected to the internal local area network, and the network input interface 1 is connected to a network device; in this embodiment, the network input interface 1 connected to the wan is J1, the network input interface 1 connected to the intranet is J2, and the network output interface 2 connected to the network device is J3. The PCB 7 is further provided with a switching control module 3, the switching control module 3 is electrically connected with the two network input interfaces 1 and the network output interface 2 through the PCB 7, and the switching control module 3 is electrically connected with a switching key 4 for receiving a key signal of the switching key 4 and controlling the connection of the network output interface 2 and the two network input interfaces 1 according to the key signal.

Referring to fig. 1, an energy supply module 6 is disposed on a PCB 7, an output end of the energy supply module 6 is electrically connected to a network switching module to provide electric energy required for switching for the network switch, and a switching key 4 is connected in series between an output end of the energy supply module 6 and ground, a voltage dividing protection resistor is disposed between the switching key 4 and an output end of the energy supply module 6, the switching control module 3 is electrically connected between the voltage dividing protection resistor and a connection node of the switching key 4, when the switching key 4 is pressed, a voltage value between the switching key 4 and the voltage dividing protection resistor changes, so that the switching control module 3 can control a connection condition of the network input interface 1 and the network output interface 2 according to the pressing of the switching key 4. In this embodiment, the switch button 4 is a normally open switch, when the button is not pressed, the switch button 4 is in an off state in the power supply loop, and when the button is pressed, the switch button 4 is turned on, so that the switch control module 3 receives a low level signal.

Referring to fig. 1 and 2, the energy supply module 6 includes a USB interface 61 and a filter circuit 62, the filter circuit 62 includes a capacitor and an inductor, and has a decoupling function while having a filtering function, so as to provide a stable output voltage for the switching control module 3, and the USB interface 61 is disposed at the edge of the PCB board 7 for facilitating the connection of the energy supply module 6 and the external power source. In order to ensure the connection between the network output interface 2 and the network input interface 1 and the network cable, the network output interface 2 and the network input interface 1 are both arranged at the edge of the PCB 7, and in order to conveniently and rapidly identify the network output interface 2 and the network input interface 1, the two network input interfaces 1 and the network output interface 2 are respectively arranged at two ends of the PCB 7, the two network input interfaces 1 are arranged at one end of the PCB 7 in parallel, the network output interface 2 and the USB interface 61 are arranged at the other end of the PCB 7 in parallel, so that the installation of various interfaces on the CPB board is more compact, and the connection of the interfaces is not influenced.

Referring to fig. 1 and 2, the switching control module 3 includes a low-level triggered control chip 31 connected to the switching key 4, the control chip 31 is electrically connected to two analog switch chips 32 for respectively controlling the conduction of the two network input interfaces 1, the control chip 31 controls the two analog switch chips 32 in parallel, and the control chip 31 and the two analog switch chips 32 are disposed on the PCB 7 between the network input interface 1 and the network output interface 2. The two analog switch chips 32 are connected with the two network input interfaces 1 and the network output interface 2, when the control chip 31 outputs a control signal to the analog switch chip 32, the two analog switch chips 32 receive the control signal of the control chip 31 and respond according to the control signal, so that the corresponding network input interface 1 is connected with the network output interface 2. The model of the control chip 31 in the embodiment adopts the PMS152, the PMS152 chip belongs to an economic and applicable series, the cost performance is high, the range of the used ambient temperature is wide, and the stability of network transmission can be ensured; meanwhile, the model of the analog switch chip 32 in the embodiment adopts CH440G, and the CH440 series chips not only can realize unified enabling and unified switching of the multi-channel analog switch, but also have high switching speed, support video signals, low-speed, full-speed and high-speed USB signals, and can effectively enlarge the application range.

Referring to fig. 1 and 2, in order to enable a user to quickly know the network connection condition of the current network device, the switching control module 3 is connected with an indication module 5, the indication module 5 includes indication lamps 51 corresponding to the two network input interfaces 1 one to one, the two indication lamps 51 are respectively connected in series between the output end of the energy supply module 6 and the control pins corresponding to the control chip 31, and when one of the network input interfaces 1 is connected with the network output interface 2, the control chip 31 controls the corresponding indication lamp 51 to be normally on. In this embodiment, the indicator lights 51 are an LED1 and an LED2, respectively, and the designated LED1 corresponds to the network input interface 1 connected to the wan, and the designated LED2 corresponds to the network input interface 1 connected to the internal lan, that is, when the network device is connected to the wan, the LED1 is normally on; the LED2 is normally on when the network device is connected to an internal local area network.

Referring to fig. 1 and 3, the outer side cover of PCB 7 is equipped with protecting crust 8, and for the stability of guaranteeing the installation of PCB 7 in protecting crust 8, 7 periphery walls of PCB contradict with 8 inner walls of protecting crust, and network input interface 1 and network output interface 2 contradict with 8 top inner walls of protecting crust, and one side lateral wall that PCB 7 deviates from network input interface 1 contradicts with the bottom inner wall of protecting crust 8. Simultaneously network input interface 1, network output interface 2 and USB interface 61's port part all runs through protecting crust 8, and flushes with 8 lateral walls of protecting crust, pilot lamp 51 runs through 8 up end of protecting crust, and flushes or partial protrusion in 8 up end of protecting crust with 8 up end of protecting crust, it is connected with button 81 to switch button 4 conflict, button 81 slides to inlay locates in 8 protecting crust and partial protrusion in 8 up end of protecting crust, thereby guarantee to switch button 4 and can normally be pressed.

The specific implementation principle of the embodiment is as follows: when the network needs to be switched, the button 81 is pressed, so that the switching key 4 is pressed and closed, the control chip 31 collects whether the state of the switching key 4 is pressed and performs level identification, when the switching key 4 is pressed, the control chip 31 receives a low level signal and inverts a signal output to the analog switch chip 32, the analog switch chip 32 receives and responds to a control signal of the control chip 31, and the analog switch chip 32 selects the corresponding network input interface 1 according to the control signal output by the control chip 31.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (7)

1. A network switch, comprising: the network switching device comprises two network input interfaces (1) and a network output interface (2), wherein a switching control module (3) is electrically connected between the network input interface (1) and the network output interface (2), the switching control module (3) is electrically connected with a switching key (4), and the switching control module (3) receives a key signal of the switching key (4) and controls the connection of the network output interface (2) and the two network input interfaces (1) according to the key signal.

2. The network switch of claim 1, wherein: the switching control module (3) comprises a control chip (31) connected with a switching key (4), the control chip (31) is electrically connected with two analog switch chips (32) for respectively controlling the two network input interfaces (1), and the two analog switch chips (32) are connected with the two network input interfaces (1) and the network output interface (2).

3. The network switch of claim 2, wherein: the switching control module (3) is connected with an indicating module (5), and the indicating module (5) comprises indicating lamps (51) which correspond to the two network input interfaces (1) one to one.

4. The network switch of claim 1, wherein: switch control module (3) and still be connected with energy supply module (6), energy supply module (6) include USB interface (61) and filter circuit (62), energy supply module (6) provide the required electric energy of switching for the network switch ware.

5. The network switch of claim 4, wherein: two network input interface (1) and a network output interface (2) are connected with PCB board (7) and realize the electricity through PCB board (7) and connect, switch control module (3) set up on PCB board (7) and through PCB board (7) and network input interface (1) and network output interface (2) electricity and be connected.

6. The network switch of claim 5, wherein: two network input interface (1) set up in the one end of PCB board (7) side by side, network output interface (2) set up in PCB board (7) and deviate from network input interface (1) one end, USB interface (61) set up with network output interface (2) side by side.

7. The network switch of claim 6, wherein: PCB board (7) outside cover is equipped with protecting crust (8), PCB board (7) outside perisporium is contradicted with protecting crust (8) inner wall, two network input interface (1) and one network output interface (2) all run through protecting crust (8) and flush with protecting crust (8) outer wall.

Images