CN101826687A - Automatic power-cut and internet-cut socket - Google Patents
Automatic power-cut and internet-cut socket Download PDFInfo
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- CN101826687A CN101826687A CN 201010178855 CN201010178855A CN101826687A CN 101826687 A CN101826687 A CN 101826687A CN 201010178855 CN201010178855 CN 201010178855 CN 201010178855 A CN201010178855 A CN 201010178855A CN 101826687 A CN101826687 A CN 101826687A
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Abstract
The invention discloses an automatic power-cut and internet-cut socket, which comprises a host computer socket, a network cable switch, a sampling circuit, a control circuit, a first relay and a second relay, wherein the sampling circuit collects the current variation of the host computer socket, and sends the current variation to the control circuit, the control circuit is connected with the first relay and the second relay and sends control signals to the first relay and the second relay, the first relay is connected with a socket power supply switch, and controls the switching off of the socket power supply switch, and the second relay is connected with the network cable switch and controls the switching on or switching off of the network cable switch. After a host computer of a computer is turned off, the automatic power-cut and internet-cut socket can automatically cut the power of the host computer socket and the network cable, in addition, the strong electricity and the weak electricity of the network cable are turned off at the same time, in the unmanned state, Trojan Horse can not control the computer to be turned on and can not get in touch with outside through the network, and information security of the computer in the unmanned state is ensured.
Description
Technical field
The application relates to appliance field, particularly relates to a kind of automatic power-cut and internet-cut socket.
Background technology
Behind the implanted wooden horse of computer, wooden horse meeting controlling computer timing start-up or remote-controlled start-up may cause divulging a secret or safety problem.Utilize the wooden horse controlling computer to steal secret information and often take place night, the machine room unattended operation period, when administrative staff saw operation note in second day by the time, caused and divulged a secret or the utilization of computer Be Controlled.
Usually the mode that adopts software virus killing or physical gateway to isolate avoids computer to be controlled by wooden horse at present, what software was killed virus mainly is at the virus of having found, need a period of time just virus method can be arranged for new virus, often caused tremendous loss when finding by the time.Though physical isolation can effectively prevent to net outer invasion, can not prevent to steal secret information and control by netting interior computer.
By to prior art research, the applicant finds: the commerce of many concerning security matters or household PC often guarantee the safety of computerized information under the unmanned state by manually pulling out netting twine, but utilizing manual operation to pull out netting twine exists trouble and easily forgets, usually be difficult to adhere to for a long time, will cause tremendous loss if any carelessness.
Summary of the invention
For solving the problems of the technologies described above, the embodiment of the present application provides a kind of automatic power-cut and internet-cut socket, after the host computer shutdown, can cut off the power supply to main frame and grid line automatically, and to guarantee the safety of computerized information under the unmanned state, technical scheme is as follows:
A kind of automatic power-cut and internet-cut socket comprises: host socket, grid line switch, sample circuit, control circuit, first relay and second relay, wherein:
Described host socket one end links to each other with external power source, and the other end links to each other with host computer, and it is provided with the socket power switch;
Described sample circuit input links to each other with described host socket, and output links to each other with the input of described control circuit, gathers the current signal of described host socket and described current signal is converted to voltage signal to send to described control circuit again;
The output of described control circuit links to each other with second relay with described first relay, and voltage signal and the preset value that receives compared, and transmits control signal to first relay and second relay respectively according to comparative result;
Described first relay links to each other with the socket power switch, controls closing of described socket power switch according to control signal;
Described second relay links to each other with described grid line switch, controls the unlatching of described grid line switch or closes according to control signal.
Preferably, described sample circuit, control circuit, first relay and second relay adopt DC power supply.
Preferably, the delay Preset Time transmitted control signal after described control circuit obtained comparative result.
Preferably, described Preset Time is 8 seconds.
Preferably, described sample circuit is accurate instrument transformer.
Preferably, described control circuit is a single-chip microcomputer.
In the automatic power-cut and internet-cut socket that the embodiment of the present application provides, sample circuit is by gathering the current signal on the host socket, and convert current signal to voltage signal and send to control circuit, control circuit compares voltage signal and the preset value that receives, if the voltage signal that receives is less than or equal to preset value, then the socket power switch cuts out, and the grid line switch cuts out by second relay by first relay; If the voltage signal that receives greater than preset value, is then opened by the second relay Control Network wiretap.After the main frame shutdown, the electric current of host socket diminishes in use, and control circuit sends cut-off signal to first relay and second relay, simultaneously socket power switch and grid line switch is closed; Opposite to manually opened socket power switch, and with after the main frame start, the electrorheological of host socket is big, and control circuit sends start signal to second relay, with the grid line switch open.
Therefore this automatic power-cut and internet-cut socket is after the host computer shutdown, not only can cut off the power supply to main frame automatically, and can simultaneously grid line be carried out the physics disconnection, under the unmanned state, the both uncontrollable booting computer of wooden horse, more can't get in touch, guarantee the safety of computerized information under the unmanned state by the network and the external world.
In addition, this automatic power-cut and internet-cut socket is at manually opened socket power, and after the host computer start, control circuit can also be by second relay with the grid line switch open, automatically the grid line that disconnects is connected, behind booting computer, do not need manually the grid line of outage to be powered like this.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, the accompanying drawing that describes below only is some embodiment that put down in writing among the application, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of a kind of automatic power-cut and internet-cut socket that Fig. 1 provides for the embodiment of the present application.
Embodiment
In order to make those skilled in the art person understand technical scheme among the application better, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment only is the application's part embodiment, rather than whole embodiment.Based on the embodiment among the application, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all should belong to the scope of the application's protection.
The structural representation of a kind of automatic power-cut and internet-cut socket that Fig. 1 provides for the embodiment of the present application.
As shown in Figure 1, this automatic power-cut and internet-cut socket comprises: host socket 101, sample circuit 102, control circuit 103, first relay 104 and second relay 105, wherein: host socket 101 1 ends link to each other with external power source, the other end links to each other with the host computer (not shown), and it is provided with socket power switch (not shown), and sample circuit 102, control circuit 103, first relay 104 link to each other with DC power supply with second relay 105.
The input of sample circuit 102 links to each other with host socket 101, output links to each other with the input of control circuit 103, in the embodiment of the present application, sample circuit 102 comprises: accurate instrument transformer and resistance, closely instrument transformer is used to gather the current signal of host socket, collect current signal and convert voltage signal to, then voltage signal is sent to control circuit 103 through resistance.
In the embodiment of the present application, control circuit 103 is a single-chip microcomputer, and its output links to each other with second relay 105 with first relay 104 respectively.Control circuit 103 receives the voltage signal that sample circuit 102 sends, because control circuit 103 is a single-chip microcomputer, only with the identification level signal, control circuit 103 compares voltage signal and the preset value that receives, if the voltage signal that receives is less than or equal to preset value, then the socket power switch cuts out, and grid line switch 106 cuts out by second relay 105 by first relay 104; If the voltage signal that receives greater than preset value, is then opened by second relay, 105 Control Network wiretaps.So after the main frame shutdown, the electric current of host socket diminishes, control circuit sends cut-off signal to first relay and second relay, simultaneously socket power switch and grid line switch is closed; Opposite to manually opened socket power switch, and with after the main frame start, the electrorheological of host socket is big, and control circuit sends start signal to first relay, with the grid line switch open.
In the automatic power-cut and internet-cut socket that the embodiment of the present application provides, sample circuit is by gathering the current signal on the host socket, and convert current signal to voltage signal and send to control circuit, control circuit compares voltage signal and the preset value that receives, if the voltage signal that receives is less than or equal to preset value, then the socket power switch cuts out, and the grid line switch cuts out by second relay by first relay; If the voltage signal that receives greater than preset value, is then opened by the second relay Control Network wiretap.After the main frame shutdown, the electric current of host socket diminishes in use, and control circuit sends cut-off signal to first relay and second relay, simultaneously socket power switch and grid line switch is closed; Opposite to manually opened socket power switch, and with after the main frame start, the electrorheological of host socket is big, and control circuit sends start signal to second relay, with the grid line switch open.
Therefore this automatic power-cut and internet-cut socket is after the host computer shutdown, can cut off the power supply to host socket automatically, and grid line is carried out physics disconnect, under the unmanned state, the both uncontrollable booting computer of wooden horse, more can't get in touch, guarantee the safety of computerized information under the unmanned state by the network and the external world.
In addition, this automatic power-cut and internet-cut socket is at manually opened socket power, and after the host computer start, control circuit can also be by second relay with the grid line switch open, automatically the grid line that disconnects is connected, behind booting computer, do not need manually the grid line of outage to be powered like this.
The above only is the application's a preferred implementation, makes those skilled in the art can understand or realize the application.Multiple modification to these embodiment will be conspicuous to one skilled in the art, and defined herein General Principle can realize under the situation of the spirit or scope that do not break away from the application in other embodiments.Therefore, the application will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (6)
1. an automatic power-cut and internet-cut socket is characterized in that, comprising: host socket, grid line switch, sample circuit, control circuit, first relay and second relay, wherein:
Described host socket one end links to each other with external power source, and the other end links to each other with host computer, and it is provided with the socket power switch;
Described sample circuit input links to each other with described host socket, and output links to each other with the input of described control circuit, gathers the current signal of described host socket and described current signal is converted to voltage signal to send to described control circuit again;
The output of described control circuit links to each other with second relay with described first relay, and voltage signal and the preset value that receives compared, and transmits control signal to first relay and second relay respectively according to comparative result;
Described first relay links to each other with the socket power switch, controls closing of described socket power switch according to control signal;
Described second relay links to each other with described grid line switch, controls the unlatching of described grid line switch or closes according to control signal.
2. automatic power-cut and internet-cut socket according to claim 1 is characterized in that, described sample circuit, control circuit, first relay and second relay adopt DC power supply.
3. automatic power-cut and internet-cut socket according to claim 2 is characterized in that, the delay Preset Time transmitted control signal after described control circuit obtained comparative result.
4. automatic power-cut and internet-cut socket according to claim 3 is characterized in that, described Preset Time is 8 seconds.
5. automatic power-cut and internet-cut socket according to claim 1 is characterized in that, described sample circuit is accurate instrument transformer.
6. automatic power-cut and internet-cut socket according to claim 1 is characterized in that, described control circuit is a single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010178855 CN101826687A (en) | 2010-05-21 | 2010-05-21 | Automatic power-cut and internet-cut socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010178855 CN101826687A (en) | 2010-05-21 | 2010-05-21 | Automatic power-cut and internet-cut socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101826687A true CN101826687A (en) | 2010-09-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010178855 Pending CN101826687A (en) | 2010-05-21 | 2010-05-21 | Automatic power-cut and internet-cut socket |
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| Country | Link |
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| CN (1) | CN101826687A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105676680A (en) * | 2015-12-30 | 2016-06-15 | 联想(北京)有限公司 | Control method and electronic equipment |
| CN110768802A (en) * | 2019-12-06 | 2020-02-07 | 吉林建筑大学 | Automatic network safety disconnection device |
| CN111317950A (en) * | 2018-12-17 | 2020-06-23 | 开利公司 | Fire control cabinet, fire control system and mobile communication terminal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2327819A (en) * | 1997-07-31 | 1999-02-03 | Neutral Ltd | Power controller for a computer peripheral |
| CN2932734Y (en) * | 2006-06-01 | 2007-08-08 | 上海久隆电力科技有限公司 | Computer intelligent electricity-saving socket |
| CN101253657A (en) * | 2005-09-02 | 2008-08-27 | 金善英 | Automatically standby power cut-off plug socket |
| US20080261453A1 (en) * | 2007-04-20 | 2008-10-23 | Primax Electronics Ltd. | Power strip device |
| CN201690068U (en) * | 2010-05-21 | 2010-12-29 | 深圳市和宏实业有限公司 | Socket capable of automatically disconnecting power and network |
-
2010
- 2010-05-21 CN CN 201010178855 patent/CN101826687A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2327819A (en) * | 1997-07-31 | 1999-02-03 | Neutral Ltd | Power controller for a computer peripheral |
| CN101253657A (en) * | 2005-09-02 | 2008-08-27 | 金善英 | Automatically standby power cut-off plug socket |
| CN2932734Y (en) * | 2006-06-01 | 2007-08-08 | 上海久隆电力科技有限公司 | Computer intelligent electricity-saving socket |
| US20080261453A1 (en) * | 2007-04-20 | 2008-10-23 | Primax Electronics Ltd. | Power strip device |
| CN201690068U (en) * | 2010-05-21 | 2010-12-29 | 深圳市和宏实业有限公司 | Socket capable of automatically disconnecting power and network |
Non-Patent Citations (1)
| Title |
|---|
| 《机床电器》 19991231 张卫强 多采样点交流电流传感器 , 第4期 2 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105676680A (en) * | 2015-12-30 | 2016-06-15 | 联想(北京)有限公司 | Control method and electronic equipment |
| CN111317950A (en) * | 2018-12-17 | 2020-06-23 | 开利公司 | Fire control cabinet, fire control system and mobile communication terminal |
| CN110768802A (en) * | 2019-12-06 | 2020-02-07 | 吉林建筑大学 | Automatic network safety disconnection device |
| CN110768802B (en) * | 2019-12-06 | 2024-04-09 | 吉林建筑大学 | Automatic network disconnection device for network security |
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Open date: 20100908 |