CN112631970B - Multifunctional internal and external network switcher - Google Patents
Multifunctional internal and external network switcher Download PDFInfo
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- CN112631970B CN112631970B CN202011639127.XA CN202011639127A CN112631970B CN 112631970 B CN112631970 B CN 112631970B CN 202011639127 A CN202011639127 A CN 202011639127A CN 112631970 B CN112631970 B CN 112631970B
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- 241000699666 Mus <mouse, genus> Species 0.000 description 15
- 238000010586 diagram Methods 0.000 description 7
- 241000699670 Mus sp. Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
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Abstract
The invention relates to a multifunctional internal and external network switcher, which comprises a working main board, a singlechip, an internal network USB port, an external network USB port, a mechanical switch button, an internal network port, an external network port, and an electronic switch, wherein the singlechip, the internal network USB port and the external network USB port are arranged on the working main board, the mechanical switch is used for controlling the on-off state of the internal network port and the external network port, the electronic switch is connected with the singlechip, and the electronic switch is used for controlling the on-off state of the internal network USB port and the external network USB port. The invention realizes the switching of the internal network and the external network by the mechanical key switch, replaces the manual plug-in switching mode, not only improves the efficiency, but also increases the stability of the system.
Description
Technical Field
The invention relates to the field of communication equipment, in particular to a multifunctional internal and external network switcher.
Background
In order to increase the safety of the network use environment, enterprises or universities can adopt a system of combining an intranet and an extranet, and each network can be provided with independent computers, USB (universal serial bus) key mice and the like, so that the internal and external network system needs two sets of networks and two sets of USB peripherals; because the internal network and the external network are physically isolated, when the same set of USB key mouse peripheral equipment is needed, the switching between the internal network and the external network can be realized only by manually plugging and unplugging network cables and a large number of USB peripheral equipment connecting wires, and a large amount of manpower can be consumed in the mode.
There are also switches for internal and external networks on the market, but the existing switches for internal and external networks are all completed by switching driving circuits, and the electronic circuits are shared between the internal and external networks, so that the safety performance is not high.
The problems are worth solving.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a multifunctional intranet-extranet switcher.
The technical scheme of the invention is as follows:
The multifunctional internal and external network switcher comprises a working main board and a singlechip, an internal network USB port and an external network USB port which are arranged on the working main board, and is characterized by further comprising a mechanical switch key, an internal network port and an external network port, wherein the internal network port and the external network port are connected with the mechanical switch key and are used for switching on-off states through the mechanical switch key, the working main board is further provided with an electronic switch connected with the singlechip, and the internal network USB port and the external network USB port are connected with the electronic switch and are used for switching on-off states through the electronic switch.
The invention according to the scheme is characterized in that the working main board is also provided with a plurality of shared peripheral USB ports, and the shared peripheral USB ports comprise a keyboard USB port and a mouse USB port and are connected with the electronic switch.
According to the above scheme, the invention is characterized in that the mechanical switch key comprises a first mechanical switch and a second mechanical switch, when the first mechanical switch is sprung and the second mechanical switch is pressed in, the intranet network port is communicated, the extranet network port is disconnected, and when the first mechanical switch is pressed in and the second mechanical switch is sprung, the intranet network port is disconnected, and the extranet network port is communicated.
Further, the pin 1 of the intranet network port is connected with the pin A4 of the first mechanical switch, the pin 2 of the intranet network port is connected with the pin B4 of the first mechanical switch, the pin 3 of the intranet network port is connected with the pin C6 of the second mechanical switch, the pin 4 of the intranet network port is connected with the pin A8 of the first mechanical switch, the pin 5 of the intranet network port is connected with the pin B8 of the first mechanical switch, the pin 6 of the intranet network port is connected with the pin D6 of the second mechanical switch, the pin 7 of the intranet network port is connected with the pin C9 of the second mechanical switch, the pin 8 of the intranet network port is connected with the pin D9 of the second mechanical switch,
The pin 1 of the external network port is connected with the pin A6 of the first mechanical switch, the pin 2 of the external network port is connected with the pin B6 of the first mechanical switch, the pin 3 of the external network port is connected with the pin C4 of the second mechanical switch, the pin 4 of the external network port is connected with the pin A9 of the first mechanical switch, the pin 5 of the external network port is connected with the pin B9 of the first mechanical switch, the pin 6 of the external network port is connected with the pin D4 of the second mechanical switch, the pin 7 of the external network port is connected with the pin C7 of the second mechanical switch, and the pin 8 of the external network port is connected with the pin D7 of the second mechanical switch.
The invention according to the scheme is characterized in that the electronic switch receives the switching control signal through the singlechip and switches and selects the intranet USB port or the extranet USB port.
Furthermore, the singlechip is connected with the common keyboard and mouse peripheral, and a switching control signal is input through the common keyboard and mouse peripheral.
The invention according to the scheme is characterized in that the multifunctional internal and external network switcher is provided with an internal network status lamp and an external network status lamp.
Further, the intranet network status lamp and the extranet network status lamp are both connected with a first mechanical switch and a second mechanical switch of the mechanical switch key, when the first mechanical switch is sprung and the second mechanical switch is pressed in, the intranet network status lamp is on, the extranet network status lamp is off, when the first mechanical switch is pressed in and the second mechanical switch is sprung, the extranet network status lamp is on, and the intranet network status lamp is off.
Further, the intranet network status lamp is connected with the pin A1 of the first mechanical switch and the pin C3 of the second mechanical switch at the same time, and the extranet network status lamp is connected with the pin A3 of the first mechanical switch and the pin C1 of the second mechanical switch at the same time.
Further, when the first mechanical switch and the second mechanical switch are both sprung or voltage-equalizing, the intranet network status lamp and the extranet network status lamp are both extinguished.
The invention according to the scheme has the beneficial effects that:
According to the invention, the switching between the internal network and the external network is realized through the mechanical key switch, and a manual plug switching mode is replaced, so that the efficiency is improved, equipment loss and poor connection caused by multiple plug can be avoided, and the stability of the system is improved; in addition, the invention can control the USB port peripheral on the intranet or the extranet only by a set of shared keyboard and mouse peripheral;
furthermore, compared with the existing drive circuit switching mode of the internal and external network switcher, the internal and external network switching mode of the invention has the advantages that no physical circuit is shared between the internal and external networks, the internal and external networks are completely isolated, and the safety is better.
Drawings
FIG. 1 is a circuit block diagram of the present invention;
FIG. 2 is a circuit diagram of a mechanical key switch and an internal and external network port according to the present invention;
FIG. 3 is a circuit diagram of a mechanical key switch and an internal and external network status lamp according to the present invention;
FIG. 4 is a circuit diagram of a single chip microcomputer in the invention;
FIG. 5 is a schematic diagram of the structure of the present invention;
Fig. 6 is a schematic structural diagram of another view of the present invention.
In the figure, 11, intranet USB ports; 12. an external network USB port;
2. A mechanical switch key; 21. a first mechanical switch; 22. a second mechanical switch;
31. an intranet network port; 32. an external network port;
4. An electronic switch;
5. Sharing a peripheral USB port; 51. a keyboard USB port; 52. a mouse USB port;
61. An intranet network status lamp; 62. an extranet network status light.
Detailed Description
For a better understanding of the objects, technical solutions and technical effects of the present invention, the present invention will be further explained below with reference to the drawings and examples. Meanwhile, it is stated that the embodiments described below are only for explaining the present invention and are not intended to limit the present invention.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
The terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features.
The meaning of "a number" is two or more, unless specifically defined otherwise.
As shown in fig. 1, the multifunctional internal and external network switcher comprises a working main board, a single chip microcomputer arranged on the working main board, an internal network USB port 11, an external network USB port 12, a mechanical switch key 2, an internal network port 31 and an external network port 32, wherein the internal network port 31 and the external network port 32 are connected with the mechanical switch key 2, and the on-off state is switched through the mechanical switch key 2, so that the switching of the internal network and the external network is realized without manually plugging and unplugging a network cable.
The work main board is also provided with an electronic switch 4 connected with the singlechip, and an intranet USB port 11 and an extranet USB port 12 are both connected with the electronic switch 4 and are switched on-off state through the electronic switch 4, so that the USB peripheral equipment on the intranet and the extranet is controlled through the same set of common keyboard and mouse peripheral equipment.
According to the invention, the switching between the internal network and the external network is realized through the mechanical key switch, and a manual plug switching mode is replaced, so that the efficiency is improved, equipment loss and poor connection caused by multiple plug can be avoided, and the stability of the system is improved; in addition, the invention can control the computer on the internal network or the external network only by a set of shared mouse peripheral equipment;
furthermore, compared with the existing drive circuit switching mode of the internal and external network switcher, the internal and external network switching mode of the invention has the advantages that no physical circuit is shared between the internal and external networks, the internal and external networks are completely isolated, and the safety is better.
In the invention, the mechanical switch key 2 comprises a first mechanical switch 21 and a second mechanical switch 22, when the first mechanical switch 21 is sprung and the second mechanical switch 22 is pressed in, the internal network port 31 is communicated, and the external network port 32 is disconnected; when the first mechanical switch 21 is pressed in and the second mechanical switch 22 is sprung, the intranet network port 31 is disconnected and the extranet network port 32 is connected.
As shown in fig. 2, in the present embodiment, the connection relationship between the first mechanical switch 21 and the second mechanical switch and the intranet network port 31 and the extranet network port 32 is: pin 1 of intranet network port 31 connects pin A4 of first mechanical switch 21, pin 2 of intranet network port 31 connects pin B4 of first mechanical switch 21, pin 3 of intranet network port 31 connects pin C6 of second mechanical switch 22, pin 4 of intranet network port 31 connects pin A8 of first mechanical switch 21, pin 5 of intranet network port 31 connects pin B8 of first mechanical switch 21, pin 6 of intranet network port 31 connects pin D6 of second mechanical switch 22, pin 7 of intranet network port 31 connects pin C9 of second mechanical switch 22, pin 8 of intranet network port 31 connects pin D9 of second mechanical switch 22;
Pin 1 of the external network port 32 is connected to pin A6 of the first mechanical switch 21, pin 2 of the external network port 32 is connected to pin B6 of the first mechanical switch 11, pin 3 of the external network port 32 is connected to pin C4 of the second mechanical switch 22, pin 4 of the external network port 32 is connected to pin A9 of the first mechanical switch 21, pin 5 of the external network port 32 is connected to pin B9 of the first mechanical switch 21, pin 6 of the external network port 32 is connected to pin D4 of the second mechanical switch 22, pin 7 of the external network port 32 is connected to pin C7 of the second mechanical switch 22, and pin 8 of the external network port 32 is connected to pin D7 of the second mechanical switch 22.
The multifunctional intranet and extranet switch is provided with an intranet network status lamp 61 and an extranet network status lamp 62 for indicating the communication status of the intranet network port and the extranet network port, when the multifunctional intranet and extranet switch is switched to the intranet network port 31, the intranet network status lamp 61 is turned on, and when the multifunctional intranet and extranet switch is switched to the extranet network port 32, the extranet network status lamp 62 is turned on. The network status lamp is different from the indicator lamp technology of the existing electronic equipment, adopts a control switching mode of purely mechanical key switching, is connected with a network port on a mechanical switch key together, and is physically switched, and the specific connection mode is as follows:
As shown in fig. 3, the intranet network status lamp 61 is connected to the pin A1 of the first mechanical switch and the pin C3 of the second mechanical switch at the same time, and the extranet network status lamp 62 is connected to the pin A3 of the first mechanical switch and the pin C1 of the second mechanical switch at the same time.
The intranet network status lamp 61 and the extranet network status lamp 62 are both connected with the first mechanical switch 21 and the second mechanical switch 22 of the mechanical switch key 2, when the first mechanical switch 21 is sprung and the second mechanical switch 22 is pressed in, the intranet network status lamp 61 is turned on, and the extranet network status lamp 62 is turned off; when the first mechanical switch 21 is pressed in and the second mechanical switch 22 is sprung, the external network status lamp 62 is turned on, and the internal network status lamp 61 is turned off.
As can be seen from the above-mentioned scheme, when the first mechanical switch 21 is sprung and the second mechanical switch 22 is pressed in, the internal network port 31 is connected, the external network port 32 is disconnected, the internal network status lamp 61 is turned on, and the external network status lamp 62 is turned off; when the first mechanical switch 21 is pressed in and the second mechanical switch 22 is sprung, the intranet network port 31 is disconnected, the extranet network port 32 is connected, the intranet network status lamp 61 is turned off, and the extranet network status lamp 62 is turned on.
In the present invention, in addition to the indication function of the switching state of the internal and external networks, an abnormal state is provided, which is indicated by the extinction of both the internal network status lamp 61 and the external network status lamp 62, specifically, when both the first mechanical switch 21 and the second mechanical switch 22 bounce or even pressure is applied, both the internal network status lamp 61 and the external network status lamp 62 are extinguished.
The multifunctional internal and external network switcher is also provided with a PC-LAN port, the PC-LAN port is also connected with the first mechanical switch 21 and the second mechanical switch 22, specifically, the pin 1 of the PC-LAN port is connected with the pin A5 of the first mechanical switch 21, the pin 2 of the PC-LAN port is connected with the pin B5 of the first mechanical switch 21, the pin 3 of the PC-LAN port is connected with the pin C5 of the second mechanical switch 22, the pin 4 of the PC-LAN port is connected with the pin A8 of the first mechanical switch 21, the pin 5 of the PC-LAN port is connected with the pin B8 of the first mechanical switch 21, the pin 6 of the PC-LAN port is connected with the pin D5 of the second mechanical switch 22, the pin 7 of the PC-LAN port is connected with the pin C8 of the second mechanical switch 22, and the pin 8 of the PC-LAN port is connected with the pin D8 of the second mechanical switch 22.
As shown in fig. 5 and 6, the multifunctional inside-outside network switcher further includes a housing, the front surface of which is provided with an inside network status light 61, a first mechanical switch 21, a second mechanical switch 22 and an outside network status light 62 in sequence from left to right, the right side of which is provided with a keyboard USB port 51 and a mouse USB port, and the rear surface of which is provided with an outside network port 32, an inside network port 31, an outside network USB port 12, an inside network USB port 11, an inside network USB-HUB port and an outside network USB-HUB port in sequence from right to left.
In the invention, a plurality of shared peripheral USB ports 5 are also arranged on the work main board, and the shared peripheral USB ports 5 comprise a keyboard USB port and a mouse USB port and are connected with the electronic switch 4.
The singlechip is connected with the common peripheral USB port 5, and is connected with the common keyboard and mouse peripheral through the keyboard USB port 51 and the mouse USB port 52 on the common peripheral USB port 5, and a user inputs a switching control signal through the common keyboard and mouse peripheral. The electronic switch 4 receives the switching control signal through the singlechip and switches and selects the intranet USB port 11 or the extranet USB port 12, so that a set of shared keyboard and mouse peripheral equipment can control the USB peripheral equipment in the intranet or the extranet.
As shown in fig. 4, a circuit diagram of a single-chip microcomputer of the switch of the multi-functional internal and external network in the present embodiment is provided.
In summary, the invention realizes the switching of the internal network and the external network through the mechanical key switch, replaces the manual plug-in switching mode, not only improves the efficiency, but also can avoid equipment loss and poor connection caused by multiple plug-in, and increases the stability of the system; in addition, the invention can control the USB port peripheral on the intranet or the extranet only by a set of shared keyboard and mouse peripheral.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (3)
1. The multifunctional internal and external network switcher comprises a working main board, a single chip microcomputer, an internal network USB port and an external network USB port, and is characterized by further comprising a mechanical switch key, an internal network port and an external network port, wherein the internal network port and the external network port are connected with the mechanical switch key and switch on-off states through the mechanical switch key; the work main board is also provided with a plurality of shared peripheral USB ports, and the shared peripheral USB ports comprise a keyboard USB port and a mouse USB port and are connected with the electronic switch; the singlechip is connected with the common keyboard and mouse peripheral, and a switching control signal is input through the common keyboard and mouse peripheral; the electronic switch receives a switching control signal through the singlechip and switches and conducts one of the intranet USB port and the extranet USB port;
The mechanical switch key comprises a first mechanical switch and a second mechanical switch, when the first mechanical switch is sprung and the second mechanical switch is pressed in, the internal network port is communicated, the external network port is disconnected, and when the first mechanical switch is pressed in and the second mechanical switch is sprung, the internal network port is disconnected, and the external network port is communicated;
The pin 1 of the intranet network port is connected with the pin A4 of the first mechanical switch, the pin 2 of the intranet network port is connected with the pin B4 of the first mechanical switch, the pin 3 of the intranet network port is connected with the pin C6 of the second mechanical switch, the pin 4 of the intranet network port is connected with the pin A8 of the first mechanical switch, the pin 5 of the intranet network port is connected with the pin B8 of the first mechanical switch, the pin 6 of the intranet network port is connected with the pin D6 of the second mechanical switch, the pin 7 of the intranet network port is connected with the pin C9 of the second mechanical switch, the pin 8 of the intranet network port is connected with the pin D9 of the second mechanical switch, the pin 1 of the external network port is connected with the pin A6 of the first mechanical switch, the pin 2 of the external network port is connected with the pin B6 of the first mechanical switch, the pin 3 of the external network port is connected with the pin C4 of the second mechanical switch, the pin 4 of the external network port is connected with the pin A9 of the first mechanical switch, the pin 5 of the external network port is connected with the pin B9 of the first mechanical switch, the pin 6 of the external network port is connected with the pin D4 of the second mechanical switch, the pin 7 of the external network port is connected with the pin C7 of the second mechanical switch, and the pin 8 of the external network port is connected with the pin D7 of the second mechanical switch.
2. The multifunctional intranet and extranet switcher of claim 1, wherein the multifunctional intranet and extranet switcher is provided with intranet network status lights and extranet network status lights, and is connected with the mechanical switch key; the intranet network status lamp with the extranet network status lamp all with first mechanical switch and the second mechanical switch of mechanical switch button are connected, works as first mechanical switch pops up and when the second mechanical switch is pressed in, intranet network status lamp lights up, the extranet network status lamp goes out, works as first mechanical switch presses in and when the second mechanical switch pops up, the extranet network status lamp lights up, intranet network status lamp goes out.
3. The multifunctional intranet and extranet switch of claim 2, wherein the intranet network status light is simultaneously connected to the first mechanical switch and the second mechanical switch, and the extranet network status light is simultaneously connected to the first mechanical switch and the second mechanical switch; when the first mechanical switch and the second mechanical switch are both sprung or are in voltage equalizing, the intranet network status lamp and the extranet network status lamp are both extinguished.
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| CN202011639127.XA CN112631970B (en) | 2020-12-31 | 2020-12-31 | Multifunctional internal and external network switcher |
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| CN202011639127.XA CN112631970B (en) | 2020-12-31 | 2020-12-31 | Multifunctional internal and external network switcher |
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| CN112631970B true CN112631970B (en) | 2024-04-26 |
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| CN1534920A (en) * | 2003-04-02 | 2004-10-06 | 联想(北京)有限公司 | Method of realizing internal external network physical partition and its device |
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| CN112631970A (en) | 2021-04-09 |
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