CN210518849U

CN210518849U - Network switching device

Info

Publication number: CN210518849U
Application number: CN201921460153.9U
Authority: CN
Inventors: 王宏民; 唐衡云; 张密; 陈邦印; 王建生; 康献民
Original assignee: Wuyi University
Current assignee: Wuyi University
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-05-12
Anticipated expiration: 2029-09-03

Abstract

The utility model discloses a network switching device, which comprises a first network receiving module, a second network receiving module, a relay and a control module; the relay comprises a normally open contact, a normally closed contact and a switching port, and the control module comprises a control port for sending a switching signal; the second network receiving module is connected with the normally closed contact, the first network receiving module is connected with the normally open contact, the control port is connected with the switching port, and the first network receiving module and the second network receiving module are respectively connected with the control module; the switching of different networks is controlled through the relay, the structure is simple, and intelligent switching can be realized.

Description

Network switching device

Technical Field

The utility model relates to a network connection equipment, especially a network auto-change over device.

Background

As network technologies develop, there are various forms of wireless networks. The device may receive different network signals through the network receiving means. However, when the signal of a certain network is not good, the device cannot automatically switch networks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a network auto-change over device, carry out the switching between two networks through the relay.

The utility model provides a technical scheme that its problem adopted is:

a network switching device comprises a first network receiving module, a second network receiving module, a relay and a control module; the relay comprises a normally open contact, a normally closed contact and a switching port, and the control module comprises a control port for sending a switching signal; the second network receiving module is connected with the normally closed contact, the first network receiving module is connected with the normally open contact, the control port is connected with the switching port, and the first network receiving module and the second network receiving module are respectively connected with the control module.

Further, the first network receiving module comprises a first acknowledgement signal sending port for sending a first acknowledgement signal indicating whether the first network receiving module detects a first network signal, and the second network receiving module comprises a second acknowledgement signal sending port for sending a second acknowledgement signal indicating whether the second network receiving module detects a second network signal; the control module comprises a first confirmation signal receiving port and a second confirmation signal receiving port, the first confirmation signal sending port is connected with the first confirmation signal receiving port, and the second confirmation signal sending port is connected with the second confirmation signal receiving port.

Further, the first network receiving module comprises a 4G module for receiving 4G network signals; the 4G module comprises an LED lamp, a 4G network SIM card and a 4G wireless chip; the LED lamp and the 4G network SIM card are respectively connected with the 4G wireless chip.

Specifically, the model of the 4G wireless chip is U9300.

Further, the second network receiving module comprises a 5G wireless module for receiving 5G network signals.

Specifically, the control module is an arduino control chip.

Further, the first acknowledgement signal receiving port and the second acknowledgement signal receiving port are RX pins of an arduino control chip.

The network switching device at least has the following beneficial effects: the second network receiving module is connected with the normally closed contact of the relay, namely the second network receiving module is started to receive a second network signal under the condition that the relay is not electrified; meanwhile, the first network receiving module and the second network receiving module respectively inform the control module whether a network signal is detected or not, and the control module judges whether a switching signal is sent to the relay or not according to the informed message; when the relay receives the switching signal, the relay is electrified, and a first network receiving module is started to receive the first network signal; the switching of different networks is controlled through the relay, the structure is simple, and intelligent switching can be realized.

Drawings

The invention is further described with reference to the following figures and examples.

Fig. 1 is a schematic structural diagram of a network switching apparatus according to an embodiment of the present invention;

fig. 2 is a detailed circuit diagram of a first network receiving module;

fig. 3 is a detailed circuit diagram of the second network receiving module, the relay and the control module.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, an embodiment of the present invention provides a network switching apparatus, including a first network receiving module 100, a second network receiving module 200, a relay 400, and a control module 300; the relay 400 includes a normally open contact 420, a normally closed contact 410, and a switching port 430, and the control module 300 includes a control port 310 for transmitting a switching signal; the second network receiving module 200 is connected to the normally closed contact 410, the first network receiving module 100 is connected to the normally open contact 420, the control port 310 is connected to the switching port 430, and the first network receiving module 100 and the second network receiving module 200 are connected to the control module 300 respectively.

In this embodiment, the second network receiving module 200 is connected to the normally closed contact 410 of the relay 400, that is, in the case that the relay 400 is not powered, the second network receiving module 200 is enabled to receive the second network signal; meanwhile, the first network receiving module 100 and the second network receiving module 200 respectively inform the control module 300 whether a network signal is detected, and the control module 300 judges whether to send a switching signal to the relay 400 according to the informed message; when the relay 400 receives the switching signal, the relay is powered on, and the first network receiving module 100 is enabled to receive the first network signal; the relay 400 controls the switching of different networks, the structure is simple, and the intelligent switching can be realized.

Further, the first network receiving module 100 includes a first acknowledgement signal transmitting port 110 for transmitting a first acknowledgement signal indicating whether the first network receiving module 100 detects a network signal, and the second network receiving module 200 includes a second acknowledgement signal transmitting port 210 for transmitting a second acknowledgement signal indicating whether the second network receiving module 200 detects a network signal; the control module 300 includes a first acknowledgement signal receiving port 320 and a second acknowledgement signal receiving port 330, the first acknowledgement signal transmitting port 110 is connected to the first acknowledgement signal receiving port 320, and the second acknowledgement signal transmitting port 210 is connected to the second acknowledgement signal receiving port 330.

In this embodiment, the control module 300 determines whether to transmit the switching signal according to the first acknowledgement signal and the second acknowledgement signal. Specifically, the first acknowledgement signal sending port 110 continuously sends the first acknowledgement signal, and the first acknowledgement signal sending port 110 continuously listens for the first acknowledgement signal; the second acknowledgement signal transmission port 210 continuously transmits the second acknowledgement signal, and the second acknowledgement signal transmission port 210 continuously listens for the second acknowledgement signal. When the second acknowledgement signal indicates that the second network receiving module 200 detects the second network signal, the control module 300 does not send the switching signal, and the second network receiving module 200 continues to receive the second network signal. When the second acknowledgement signal indicates that the second network receiving module 200 does not detect the second network signal, and the first acknowledgement signal indicates that the first network receiving module 100 detects the first network signal, the control module 300 sends the switching signal through the control port 310; the switching port 430 of the relay 400 receives the switching signal and then is energized to enable the first network receiving module 100 connected with the normally open contact 420 to receive the first network signal. When the second acknowledgement signal indicates that the second network receiving module 200 does not detect the second network signal, and the first acknowledgement signal indicates that the first network receiving module 100 does not detect the first network signal, the control module 300 does not send the switch signal.

Referring to fig. 2, further, the first network receiving module 100 includes a 4G module for receiving a 4G network signal; the 4G module comprises a 4G network SIM card 120, a 4G wireless chip 140 and an LED lamp 130 for indicating whether the 4G wireless chip 140 works normally; the LED lamp 130 and the 4G network SIM card 120 are respectively connected with the 4G wireless chip 130. The first acknowledgement signal transmission port 110 is provided on the 4G wireless chip 130.

Specifically, the model of the 4G wireless chip 140 is U9300.

Referring to fig. 3, further, the second network receiving module 200 includes a 5G wireless module for receiving a 5G network signal.

Specifically, the control module 300 is an arduino control chip.

Further, the first acknowledgement signal receiving port 320 and the second acknowledgement signal receiving port 330 are both RX pins of the arduino control chip.

Referring to fig. 2 and 3, it should be noted that, IN this embodiment, the first acknowledgement signal transmission port 110 is a UART _ TX pin of the 4G wireless chip 130, the second acknowledgement signal transmission port 210 is a 5G _ TX pin, the control port 310 is a con pin of the arduino control chip, and the switching port 430 is an IN pin of the relay 400.

Above, only the preferred embodiment of the present invention has been described, the present invention is not limited to the above embodiment, and the technical effects of the present invention can be achieved by the same means, which all belong to the protection scope of the present invention.

Claims

1. The network switching device is characterized by comprising a first network receiving module, a second network receiving module, a relay and a control module; the relay comprises a normally open contact, a normally closed contact and a switching port, and the control module comprises a control port for sending a switching signal; the second network receiving module is connected with the normally closed contact, the first network receiving module is connected with the normally open contact, the control port is connected with the switching port, and the first network receiving module and the second network receiving module are respectively connected with the control module.

2. The network switching apparatus according to claim 1, wherein the first network receiving module comprises a first acknowledgement signal sending port for sending a first acknowledgement signal indicating whether the first network receiving module detects a first network signal, and the second network receiving module comprises a second acknowledgement signal sending port for sending a second acknowledgement signal indicating whether the second network receiving module detects a second network signal; the control module comprises a first confirmation signal receiving port and a second confirmation signal receiving port, the first confirmation signal sending port is connected with the first confirmation signal receiving port, and the second confirmation signal sending port is connected with the second confirmation signal receiving port.

3. The network switching apparatus according to claim 1 or 2, wherein the first network receiving module comprises a 4G module for receiving 4G network signals; the 4G module comprises an LED lamp, a 4G network SIM card and a 4G wireless chip; the LED lamp and the 4G network SIM card are respectively connected with the 4G wireless chip.

4. The network switching device of claim 3, wherein the 4G wireless chip has a model number of U9300.

5. The network switching apparatus according to claim 1, wherein the second network receiving module comprises a 5G wireless module for receiving 5G network signals.

6. The network switching apparatus according to claim 2, wherein the control module is an arduino control chip.

7. The network switch apparatus as claimed in claim 6, wherein the first acknowledgement signal receiving port and the second acknowledgement signal receiving port are both RX pins of an arduino control chip.