CN219695756U - Automatic network breaking and power failure safety device applied to network safety field - Google Patents
Automatic network breaking and power failure safety device applied to network safety field Download PDFInfo
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- CN219695756U CN219695756U CN202320354961.7U CN202320354961U CN219695756U CN 219695756 U CN219695756 U CN 219695756U CN 202320354961 U CN202320354961 U CN 202320354961U CN 219695756 U CN219695756 U CN 219695756U
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Abstract
The automatic network breaking and power breaking safety device comprises a first power input end for inputting alternating current 220V, wherein the first power input end is connected with a first power switch, a coil of a power relay is connected with an output point of a third timer in series and then is connected with an output end of the first power switch, and the first power switch is connected with a power output end through two groups of normally open contacts of the power relay; the utility model provides an automatic network disconnection and power failure safety device applied to the field of network safety, which can realize that a computer terminal is powered off to automatically disconnect a physical network connection and periodically and automatically disconnect the physical network connection by combining a timer module, a relay and the like, and can realize that a power-off signal is automatically sent out at regular time to realize automatic power-off, and simultaneously can realize that a buzzer can send out the power-off signal and simultaneously carry out buzzing alarm reminding, and can also realize that the working power supply of the network device is automatically disconnected at regular time.
Description
Technical Field
The utility model relates to the technical field of network security, in particular to an automatic network disconnection and power failure safety device applied to the field of network security.
Background
Today, information security is more and more important, and people leave work or leave for a long time to forget to turn off a computer, forget to pull out a network cable and a power plug after the computer is turned off, and the network cable and the power plug are all problems possibly encountered in daily work. As long as the computer forgets to unplug the network cable and the power plug after being shut down, a hacker has the opportunity to wake up the computer remotely through the network and launch an attack, steal data and implant Trojan horse or virus. At present, products capable of remotely starting up, shutting down or disconnecting the network through the network are available in the market, and the network equipment is realized in a continuous online mode, but the safety risks still exist as long as the equipment power supply is not completely disconnected and the network physical connection is not completely disconnected.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an automatic network disconnection and power failure safety device applied to the field of network safety, which can realize that a computer terminal is powered off to automatically disconnect a physical network connection, and is timed to automatically disconnect the physical network connection by combining a timer module, a relay and the like, and can realize that a power off signal is sent out by timing to automatically realize automatic power off, and simultaneously can realize that a buzzer can send out the power off signal and simultaneously carry out buzzing alarm reminding, and can also realize that the working power supply of the network device is timed to automatically disconnect.
Compared with a remote starting-up module, the device has the advantage of directly cutting off a network and a circuit; compared with a timing power-off socket, the device can directly cut off the network, send out a power-off signal and prevent the hard disk from being damaged.
In order to solve the technical problems, the utility model adopts the following technical scheme: the automatic network breaking and power breaking safety device comprises a first power input end for inputting alternating current 220V, wherein the first power input end is connected with a first power switch, a coil of a power relay is connected with an output point of a third timer in series and then is connected with an output end of the first power switch, and the first power switch is connected with a power output end through two groups of normally open contacts of the power relay;
the power relay further comprises a second power input end for inputting direct current 5V, the second power input end is connected with a second power switch, the wire inlet end of a third functional switch is connected with the second power switch, the wire outlet end is connected with a power supply of a third timer, and the output end of the third timer is connected with a coil of the power relay after being connected with a 5V power supply in series.
Preferably, the wire inlet end of the second function switch is connected with the wire outlet end of the second power switch, the wire outlet end of the second function switch is connected with the power supply of the second timer, the normally open contact at the output end of the second timer is connected with the coil of the shutdown relay after being connected with the 5V power supply in series, one group of normally open contacts of the shutdown relay are connected with the shutdown switch interface of the computer main board in parallel, and the other group of normally open contacts are connected with the buzzer after being connected with the 5V power supply in series.
Preferably, the inlet end of the first function switch is connected with the outlet end of the second power switch, the inlet end of the first function switch is connected with the power supply of the first timer, the normally open contact of the output end of the first timer is connected with the coil of the network relay after being connected with the 5V power supply in series, and the network relay is connected with the first network port and the second network port.
The utility model provides an automatic network disconnection and power failure safety device applied to the field of network safety, which has the following beneficial effects:
1. the adoption of the patent can fundamentally disconnect the physical connection and the working power supply of the computer terminal network, and effectively prevent hackers from invading from outside.
2. The computer terminal power supply switching device can flexibly select whether to switch off the working power supply function of the computer terminal, and if the working power supply function is required to be switched off, the working power supply is acquired through the computer terminal power supply switching device, a third function switch is turned on, a third timer time parameter is set, and the working power supply is switched off forcibly at regular time.
3. The device can flexibly select whether to automatically shut down, if so, the device can automatically shut down at regular time and trigger the buzzer to alarm in a buzzing way by setting a second timer parameter through a second function switch of the device, so that a user is prompted that the computer certificate is executing the shutdown operation.
4. The device has two working modes of automatically disconnecting the network physical connection when the computer is turned off and disconnecting the network physical connection at regular time, and if the network physical connection is required to be customized and disconnected, the network physical connection is automatically disconnected at regular time through the first function switch of the device and the first timer parameter.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the present utility model.
Detailed Description
As shown in fig. 1 and 2, an automatic network disconnection and power failure safety device applied to the network safety field comprises a first power input end 4 for inputting alternating current 220V, wherein the first power input end 4 is connected with a first power switch 7, a coil of a power relay 17 is connected with an output point of a third timer 18 in series and then is connected with an output end of the first power switch 7, and the first power switch 7 is connected with a power output end 3 through two groups of normally open contacts of the power relay 17;
the power supply further comprises a second power supply input end 5 for inputting direct current 5V, the second power supply input end 5 is connected with a second power supply switch 8, the wire inlet end of a third functional switch 11 is connected with the second power supply switch 8, the wire outlet end is connected with the power supply of a third timer 18, and the output end of the third timer 3 is connected with a coil of a power supply relay 17 after being connected with the 5V power supply in series.
Preferably, the wire inlet end of the second functional switch 10 is connected with the wire outlet end of the second power switch 8, the wire outlet end of the second functional switch 2 is connected with the power supply of the second timer 13, the normally open contact of the output end of the second timer 13 is connected with the coil of the shutdown relay 16 after being connected with the 5V power supply in series, one group of normally open contacts of the shutdown relay 16 is connected with the shutdown switch interface 6 of the computer motherboard in parallel, and the other group of normally open contacts is connected with the buzzer 14 after being connected with the 5V power supply in series.
Preferably, the inlet end of the first functional switch 9 is connected with the outlet end of the second power switch 8, the inlet end of the first functional switch 9 is connected with the power supply of the first timer 12, the normally open contact of the output end of the first timer 12 is connected with the coil of the network relay 15 after being connected with the 5V power supply in series, and the network relay 15 is connected with the first network port 1 and the second network port 2.
The first power input end 4 adopts a pluggable three-position plug, the first power switch 7 adopts a ship-shaped switch with an alternating current 220V power supply indication, the power output adopts a three-position socket, and the power relay adopts a microminiature 220V alternating current relay. The first power input end 4 is connected with an external 220V alternating current power supply through a pluggable three-position plug, the inside of the first power input end 4 is connected with the wire inlet end of the first power switch 7, the power relay coil is connected with the output end of the first power switch 7 after being connected with the output contact of the third first timer 128 in series, the first power switch 7 is connected with the power output through 2 groups of normally open contacts of the power relay, and the power output provides 1 three-position socket for a computer.
The second power input end 5 adopts an USB Type-C interface, and the second power switch 8 adopts a ship-shaped switch with direct current 5V power indication. The second power input end 5 is connected with a computer USB port through a USB Type-C cable to provide direct-current 5V power, and the second power switch 8 provides 5V power for each special function control device of the device.
The third first function switch 91 is a bipolar boat switch, and the third first timer 128 is a delay time relay module. The inlet end of the third first functional switch 91 is connected with the outlet end of the second power switch 8, the outlet end of the third first functional switch 91 is connected with the power end of the third first timer 128, and the output end of the third first timer 128 is connected with the coil of the power relay after being connected with a 5V power supply in series.
The second first function switch 90 adopts a bipolar boat-shaped switch, the third first timer 128 adopts a time delay time relay module, the shutdown relay K3 adopts a microminiature 5V relay, and the buzzer adopts an active integrated electromagnetic buzzer. The inlet end of the second first functional switch 90 is connected with the outlet end of the second power switch 8, the outlet end of the second first functional switch 90 is connected with the power end of the second first timer 123, the normally open contact at the output end of the second first timer 123 is connected with the coil of the shutdown relay K3 after being connected with the 5V power in series, one group of normally open contacts of the shutdown relay K3 is connected with the shutdown switch interface of the computer motherboard in parallel through a pluggable USB terminal, and the other group of normally open contacts of the shutdown relay K3 is connected with the buzzer after being connected with the 5V power in series.
The first function switch 9 adopts a bipolar ship-shaped switch, the first timer 12 adopts a time delay relay module, and the network relays K1 and K2 adopt microminiature 5V relays. The inlet end of the first functional switch 9 is connected with the outlet end of the second power switch 8, the outlet end of the first functional switch 9 is connected with the power end of the first timer 12, and the normally open contact at the output end of the first timer 12 is connected with the coils of the network relays K1 and K2 after being connected with a 5V power supply in series.
The first network port 1 and the second network port 2 adopt RJ45 shielding network sockets. The 1 st pin of the first network port 1 is connected with 11 of the network relay K1, the 2 nd pin is connected with 21 of the network relay K1, the 3 rd pin is connected with 11 of the network relay K2, and the 6 th pin is connected with 21 of the network relay K2. The 1 st pin of the second network port 2 is connected with 14 of the network relay K1, the 2 nd pin is connected with 24 of the network relay K1, the 3 rd pin is connected with 14 of the network relay K2, and the 6 th pin is connected with 24 of the network relay K2. The 4 th leg of the first net mouth 1 is connected with the 4 th leg of the second net mouth 2, the 5 th leg of the first net mouth 1 is connected with the 5 th leg of the second net mouth 2, the 7 th leg of the first net mouth 1 is connected with the 7 th leg of the second net mouth 2, and the 8 th leg of the first net mouth 1 is connected with the 8 th leg of the second net mouth 2.
The principle of the device when in use is as follows:
1. before the device is started, alternating current 220V mains supply is connected to a first power input end 4, and a power output is connected to a computer power line; the second power input end 5 is connected with a computer USB port, and a shutdown signal is connected with a desktop switch interface; the first network port 1 is connected with a router or a switch, and is connected with a computer after the network port.
2. After the device is started and the first power switch 7 is closed, the power switch body indicator lights are turned on, the power relay coil is electrified, all normally open contacts are kept in a closed state, an alternating current 220V power supply is output to the computer terminal through the normally open contacts of the power relay, and the computer terminal obtains a working power supply and has starting conditions. At the moment, the shutdown relay coil is not electrified, and an irrelevant machine signal is sent out and the buzzer does not work; the network relay coil is not electrified, all normally open contacts are kept in an open state, pins 1, 2, 3 and 6 between the first network port 1 and the second network port 2 are not conducted, network physical connection cannot be established, and a network path is in an open state.
3. The computer is started, the third function switch 11 is closed, the timer starts to work, the timing function is started, the contacts connected in series in the coil loop of the power relay are kept in a closed state, the contacts connected in series in the coil loop of the power relay become in an open state, the coil of the power relay is powered off, all normally open contacts of the power relay become in an open state, the alternating current 220V power cannot be output to the computer terminal through the normally open contacts of the power relay, and the computer terminal loses working power and does not have working conditions.
4. The computer is started, the second function switch 10 is closed, the second timer 13 starts to work, the buzzer obtains a working power supply, the timing function is started, the normally open contact connected in series in the shutdown relay coil loop is kept in an open state, the normally open contact connected in series in the shutdown relay coil loop becomes a closed state when the time reaches, the shutdown relay coil is electrified, all normally open contacts of the shutdown relay become the closed state, and the buzzer starts to buzzing and simultaneously sends a shutdown instruction.
5. The computer is started, the function switch 1 is closed, the timer 1 starts to work, the timing function is started, the contacts connected in the network relay coil loop in series are kept in a closed state, the network relay coil is electrified, all normally open contacts are kept in a closed state, pins 1, 2, 3 and 6 between the first network port 1 and the second network port 2 are conducted, network physical connection is established, the contacts connected in the network relay coil loop in series become in an open state until the time is reached, the network relay coil is not electrified, all normally open contacts become in an open state, pins 1, 2, 3 and 6 between the first network port 1 and the second network port 2 are not conducted, and network physical connection cannot be established.
6. After the computer is turned off, the second power input end 5 is powered off, the shutdown relay is powered off, the buzzer stops working, and the shutdown signal disappears; the third timer 18 is powered off, the contacts output to the loop of the power relay coil become the off state, the power relay coil is powered off, all normally open contacts of the power relay become the off state, the alternating current 220V power supply cannot be output to the computer terminal through the normally open contacts of the power relay, the computer terminal loses the working power supply, and the working condition is not met; the network relay is powered off, all normally open contacts are disconnected, pins 1, 2, 3 and 6 between the first network port 1 and the second network port 2 are not conducted, and network physical connection cannot be established.
The above embodiments are only preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the scope of the present utility model should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.
Claims (3)
1. Be applied to automatic outage safety device of network security field, its characterized in that: the power supply comprises a first power supply input end (4) for inputting alternating current 220V, wherein the first power supply input end (4) is connected with a first power supply switch (7), a coil of a power supply relay (17) is connected with an output point of a third timer (18) in series, then the coil of the power supply relay is connected with an output end of the first power supply switch (7), and the first power supply switch (7) is connected with a power supply output end (3) through two groups of normally open contacts of the power supply relay (17);
the power supply circuit further comprises a second power supply input end (5) for inputting direct current 5V, the second power supply input end (5) is connected with a second power supply switch (8), the wire inlet end of a third functional switch (11) is connected with the second power supply switch (8), the wire outlet end is connected with the power supply of a third timer (18), and the output end of the third timer (18) is connected with a coil of a power supply relay (17) after being connected with a 5V power supply in series.
2. An automatic off-grid power-off safety device for use in the field of network security as defined in claim 1, wherein: the inlet wire end of the second function switch (10) is connected with the outlet wire end of the second power switch (8), the outlet wire end of the second function switch (10) is connected with the power supply of the second timer (13), the normally open contact at the output end of the second timer (13) is connected with the coil of the shutdown relay (16) after being connected with the 5V power supply in series, one group of normally open contacts of the shutdown relay (16) is connected with the shutdown switch interface (6) of the computer motherboard in parallel, and the other group of normally open contacts is connected with the buzzer (14) after being connected with the 5V power supply in series.
3. An automatic off-grid power-off safety device for use in the field of network security as defined in claim 1, wherein: the inlet end of the first functional switch (9) is connected with the outlet end of the second power switch (8), the inlet end of the first functional switch (9) is connected with the power supply of the first timer (12), the normally open contact of the output end of the first timer (12) is connected with the coil of the network relay (15) after being connected with the 5V power supply in series, and the network relay (15) is connected with the first network port (1) and the second network port (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320354961.7U CN219695756U (en) | 2023-03-01 | 2023-03-01 | Automatic network breaking and power failure safety device applied to network safety field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320354961.7U CN219695756U (en) | 2023-03-01 | 2023-03-01 | Automatic network breaking and power failure safety device applied to network safety field |
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| Publication Number | Publication Date |
|---|---|
| CN219695756U true CN219695756U (en) | 2023-09-15 |
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| CN202320354961.7U Active CN219695756U (en) | 2023-03-01 | 2023-03-01 | Automatic network breaking and power failure safety device applied to network safety field |
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