CN212750729U - Bypass control circuit and network security equipment - Google Patents
Bypass control circuit and network security equipment Download PDFInfo
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- CN212750729U CN212750729U CN202021715711.4U CN202021715711U CN212750729U CN 212750729 U CN212750729 U CN 212750729U CN 202021715711 U CN202021715711 U CN 202021715711U CN 212750729 U CN212750729 U CN 212750729U
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Abstract
The embodiment of the application provides a bypass control circuit and network security equipment, and the method is applied to the network security equipment, and the control circuit comprises: the first relay control chip, the first relay, the first network port and the second network port; the first relay control chip is connected with the first relay and used for generating a first control signal according to an input signal; the first relay is used for controlling the pin connection mode of the relay to control the first network port to be connected with the second network port or the first network port to be connected with a network card chip in the network safety equipment according to the first control signal, so that components of a bypass relay control circuit can be simplified, the using area of the whole circuit is reduced, and the equipment cost is reduced.
Description
Technical Field
The application relates to the field of automatic control, in particular to a bypass control circuit and network security equipment.
Background
The BYPASS (BYPASS) function can physically communicate the inner port and the outer port to form a network cable when the equipment is broken off or crashed, so that the data traffic of a user can directly pass through the equipment, and the influence of the self state of the equipment is avoided. At present, the existing BYPASS hardware driving Circuit uses a large number of Metal-Oxide-Semiconductor (MOS) transistors, transistors and other elements, and a large number of nand gates and other logic circuits to realize control over General Input/Output ports (GPIO), so as to realize control over BYPASS relays.
Therefore, how to simplify the BYPASS control circuit becomes an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
The application provides a BYPASS control circuit and network security equipment, can simplify BYPASS relay control circuit's components and parts, reduces the usable floor area of whole circuit, reduces equipment cost.
In a first aspect, a bypass control circuit is applied to a network security device, and the control circuit includes: the first relay control chip, the first relay, the first network port and the second network port;
the first relay control chip is connected with the first relay and used for generating a first control signal according to an input signal;
and the first relay is used for controlling the pin connection mode of the relay according to the first control signal to realize control of connection between the first network port and the second network port, or the first network port is connected with a network card chip in the network safety equipment.
Therefore, the first relay control chip is connected with the first relay and used for generating a first control signal according to an input signal; the first relay is used for controlling a pin connection mode of the relay according to the first control signal to realize control of connection between the first network port and the second network port, or the first network port is connected with a network card chip in the network safety equipment, and the connection mode of the relay can be controlled through the chip to control connection or disconnection between the two network ports, so that components of the BYPASS relay control circuit are simplified, the use area of the whole circuit is reduced, and the equipment cost is reduced.
With reference to the first aspect, in one possible implementation manner, the input signals include a high level signal and a low level signal which are input to the first input terminal and the second input terminal of the first relay control chip, and the first control signals include a high level signal and a low level signal which are input to the first pin and the eighth pin of the first relay;
the first relay is specifically configured to control a third pin and a fourth pin of the first relay to be connected according to the control signal, and a sixth pin and a fifth pin of the first relay to be connected, so as to implement connection between the first network port and a network card chip in the network security device.
Therefore, the high-level signal and the low-level signal are input into the first relay control chip, the first control signal can be input into the first relay, and the control of the pin connection mode of the first relay is realized.
With reference to the first aspect, in another possible implementation manner, the input signals include a low-level signal and a high-level signal that are input to the first input terminal and the second input terminal of the first relay control chip, and the first control signals include a low-level signal and a high-level signal that are input to the first pin and the eighth pin of the first relay;
the first relay is specifically configured to control a third pin and a second pin of the first relay to be connected according to the control signal, and a sixth pin and a seventh pin of the first relay to be connected, so as to realize connection between the first network port and the second network port.
Therefore, the low-level signal and the high-level signal are input into the first relay control chip, the first control signal can be input into the first relay, and the control of the pin connection mode of the first relay is realized.
With reference to the first aspect, in another possible implementation manner, the first relay control chip includes eight pins, where the eight pins are respectively: the device comprises a first input end, a second input end, a first output end, a second output end, a power supply end, a grounding end and two idle ports;
the first output end of the first relay control chip is connected with the first pin of the first relay, and the second output end of the first relay control chip is connected with the eighth pin of the first relay.
With reference to the first aspect, in another possible implementation manner, the first relay control chip includes six pins, where the six pins are respectively: comprises a first input terminal, a second input terminal, a first output terminal, a second output terminal, a power supply terminal and a ground terminal;
the first output end of the first relay control chip is connected with the first pin of the first relay, and the second output end of the first relay control chip is connected with the eighth pin of the first relay.
With reference to the one hand, in another possible implementation manner, the second relay control chip is configured to generate control signals for controlling seven relays according to the first control signal;
the seven relays are used for controlling the connection mode of the pins of the relays according to the corresponding control signals to realize the control of the connection of the first network port and the second network port, or the connection of the first network port and a network card chip in the network safety equipment, wherein the connection mode of the pins of the seven relays is consistent with that of the pins of the first relay.
Therefore, the second relay control chip generates control signals for controlling seven relays according to the first control signals, the seven relays are respectively connected with the first network port and the second network port, and the connection and disconnection between the first network port and the second network port are realized by controlling 8 pins of each network port through the relays.
In a second aspect, a network security device includes the bypass control circuit described in the first aspect and any implementation manner of the first aspect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic diagram illustrating a first relay control chip connection according to an embodiment of the present application;
FIG. 2 is a schematic diagram of the connection between the Mth relay and the Nth relay according to the embodiment of the present application;
fig. 3 is a schematic diagram of an ith relay input shown in the embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present application, it should be noted that the indication of orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, or the orientation or positional relationship which is usually understood by those skilled in the art, or the orientation or positional relationship which is usually placed when the product of the application is used, and is only for the convenience of describing the application and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should also be noted that the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, or integrally connected unless explicitly stated or limited otherwise; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The embodiment of the application provides a bypass control circuit and network security equipment, is applied to network security equipment, and this control circuit includes: the first relay control chip is connected with the first relay and used for generating a first control signal according to an input signal, and the first relay is used for controlling a pin connection mode of the relay according to the first control signal to realize control of the first network port and the second network port or the first network port and a network card chip in the network safety equipment. Therefore, the embodiment of the application controls the connection mode of the relay through the chip, so that the connection or disconnection between the two network ports is controlled, the components of the BYPASS relay control circuit are simplified, the service area of the whole circuit is reduced, and the equipment cost is reduced.
Therefore, the first relay control chip is connected with the first relay and used for generating a first control signal according to an input signal; the first relay is used for controlling a pin connection mode of the relay according to the first control signal to realize control of connection between the first network port and the second network port, or the first network port is connected with a network card chip in the network safety equipment, and the connection mode of the relay can be controlled through the chip to control connection or disconnection between the two network ports, so that components of the BYPASS relay control circuit are simplified, the use area of the whole circuit is reduced, and the equipment cost is reduced.
Specifically, as shown in fig. 1, the first relay control chip 110 has six ports, which are a first input terminal 3, a second input terminal 6, a first output terminal 4, a second output terminal 1, a power supply terminal 5 and a ground terminal 2.
Specifically, the first relay 120 has eight pins, which are a first pin, a second pin, a third pin, a fourth pin, a fifth pin, a sixth pin, a seventh pin, and an eighth pin.
Specifically, the input signal of the first relay control chip includes a high level signal B and a low level signal a which are input to a first input end and a second input end of the first relay control chip, and the first control signal includes a high level signal OB and a low level signal OA which are used for inputting a first pin and an eighth pin of the first relay, where the first relay is specifically configured to control a third pin and a fourth pin of the first relay to be connected according to the control signal, and a sixth pin and a fifth pin are connected to realize connection of the first network interface and the network card chip of the network security device.
Therefore, the high-level signal and the low-level signal are input into the first relay control chip, the first control signal can be input into the first relay, and the control of the pin connection mode of the first relay is realized.
Optionally, the input signal of the first relay control chip includes a low level signal and a high level signal input to the first input terminal and the second input terminal of the first relay control chip, and the first control signal includes a low level signal and a high level signal used for inputting the first pin and the eighth pin of the first relay, where the first relay is specifically configured to control the connection of the third pin and the second pin in the first relay and the connection of the sixth pin and the seventh pin according to the control signal, so as to implement the connection of the first network port and the second network port.
Therefore, the low-level signal and the high-level signal are input into the first relay control chip, the first control signal can be input into the first relay, and the control of the pin connection mode of the first relay is realized.
Optionally, the first relay control chip includes eight pins, and the eight pins are respectively: the first relay control chip comprises a first input end, a second input end, a first output end, a second output end, a power supply end, a grounding end and two idle ports, wherein the first output end of the first relay control chip is connected with a first pin of the first relay, and the second output end of the first relay control chip is connected with an eighth pin of the first relay.
Optionally, the first relay control chip includes six pins, and the six pins are respectively: comprises a first input terminal, a second input terminal, a first output terminal, a second output terminal, a power supply terminal and a ground terminal; the first output end of the first relay control chip is connected with a first pin of the first relay, and the second output end of the first relay control chip is connected with an eighth pin of the first relay.
The control circuit shown in fig. 1 further includes: the second relay control chip is used for generating control signals for controlling the seven relays according to the first control signals;
the seven relays are used for controlling the connection mode of the pins of the relays according to the corresponding control signals to realize the control of the connection of the first network port and the second network port, or the connection of the first network port and a network card chip in the network safety equipment, wherein the connection mode of the pins of the seven relays is consistent with that of the pins of the first relay.
Optionally, the seven relays may be correspondingly connected to the seven relay control chips, and the seven relays generate control signals for controlling the seven relays according to the first control signal;
the seven relays are used for controlling the connection mode of the pins of the relays according to the corresponding control signals to realize the connection control of the first network port and the second network port, or the first network port is connected with a network card chip in the network safety equipment, wherein the connection mode of the pins of the seven relays is consistent with that of the pins of the first relay.
Therefore, the second relay control chip generates control signals for controlling seven relays according to the first control signals, the seven relays are respectively connected with the first network port and the second network port, and the connection and disconnection between the first network port and the second network port are realized by controlling 8 pins of each network port through the relays.
As shown in fig. 2, the mth relay 210 and the nth relay 220 are connected to each other, where M has values of one, three, five, and seven, and N has values of two, four, six, and eight, in other words, the first relay is connected to the second relay, the third relay is connected to the fourth relay, the fifth relay is connected to the sixth relay, and the seventh relay is connected to the eighth relay.
As shown in fig. 3, in the ith relay 310, two input signals are OE and OF, and i takes on two, three, four, five, six, seven or eight values, and these two input signals are two output signals OF the second relay control chip, in other words, the second relay control chip controls the second to eighth relays.
Specifically, the first relay is connected with the second relay, the third relay is connected with the fourth relay, the fifth relay is connected with the sixth relay, the seventh relay is connected with the eighth relay, a first control signal generated by the first relay control chip is transmitted to the second relay control chip to generate a second control signal, the second relay control chip is connected with the second to eighth relays, the second control signal is input into the second to eighth relays, and the pin connection mode of the second to eighth relays is controlled.
The connection mode and operation principle of the bypass control circuit will be described in detail according to the embodiments of the present application.
Inputting a high level signal with a signal of 1 to a first input end of a first relay control chip, outputting a first control signal to a second input end of the first relay control chip, connecting the first relay control chip with a first relay, inputting the first control signal into the first relay, at the moment, the third pin of the first relay is connected to the fourth pin, the sixth pin is connected to the fifth pin, the low-level control signal output by the first relay control chip is input into the second relay control chip, the second relay control chip is connected with the second to eighth relays, the connection mode of the pins is consistent with that of the first relay, and simultaneously, all the relays are connected to pins of the first network port and the second network port, wherein the connection mode of the pins is the same as that of the pins of the first relay.
In the method, a first network port and a second network port for connecting the first relay to the eighth relay are not connected, and the first network port is connected with a network card chip in the network security equipment.
Inputting a low level signal 0 to a first input end of a first relay control chip, outputting a first control signal to a second input end of the first relay control chip, connecting the first relay control chip with a first relay, inputting the first control signal into the first relay, at the moment, the third pin of the first relay is connected to the second pin, the sixth pin is connected to the seventh pin, the low-level control signal output by the first relay control chip is input into the second relay control chip, the second relay control chip is connected with the second to eighth relays, the connection mode of the pins is consistent with that of the first relay, and simultaneously, all the relays are connected to pins of the first network port and the second network port, wherein the connection mode of the pins is the same as that of the pins of the first relay.
In the method, the first network port and the second network port which are connected with the first relay to the eighth relay are connected, so that the network port data of the BYPASS stage can connect the two network ports through the first relay to the eighth relay.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (7)
1. A bypass control circuit for use in a network security device, the control circuit comprising: the first relay control chip, the first relay, the first network port and the second network port;
the first relay control chip is connected with the first relay and used for generating a first control signal according to an input signal;
and the first relay is used for controlling the pin connection mode of the relay according to the first control signal to realize control of connection between the first network port and the second network port, or the first network port is connected with a network card chip in the network safety equipment.
2. The circuit of claim 1,
the input signals comprise high-level signals and low-level signals which are input into a first input end and a second input end of the first relay control chip, and the first control signals comprise high-level signals and low-level signals which are used for inputting a first pin and an eighth pin of the first relay;
the first relay is specifically configured to control a third pin and a fourth pin of the first relay to be connected according to the control signal, and a sixth pin and a fifth pin of the first relay to be connected, so as to implement connection between the first network port and a network card chip in the network security device.
3. The circuit of claim 1,
the input signals comprise low-level signals and high-level signals which are input into a first input end and a second input end of the first relay control chip, and the first control signals comprise low-level signals and high-level signals which are used for inputting a first pin and an eighth pin of the first relay;
the first relay is specifically configured to control a third pin and a second pin of the first relay to be connected according to the control signal, and a sixth pin and a seventh pin of the first relay to be connected, so as to realize connection between the first network port and the second network port.
4. The circuit of claim 1 or 2,
the first relay control chip comprises eight pins, and the eight pins are respectively: the device comprises a first input end, a second input end, a first output end, a second output end, a power supply end, a grounding end and two idle ports;
the first output end of the first relay control chip is connected with the first pin of the first relay, and the second output end of the first relay control chip is connected with the eighth pin of the first relay.
5. The circuit of claim 1 or 2,
the first relay control chip comprises six pins, and the six pins are respectively as follows: comprises a first input end, a second input end, a first output end, a second output end, a power supply end and a grounding end;
the first output end of the first relay control chip is connected with the first pin of the first relay, and the second output end of the first relay control chip is connected with the eighth pin of the first relay.
6. The circuit of claim 1, wherein the control circuit further comprises:
a second relay control chip and seven relays connected with the second relay control chip,
the second relay control chip is used for generating control signals for controlling the seven relays according to the first control signals;
the seven relays are used for controlling the connection mode of the pins of the relays according to the corresponding control signals to realize the control of the connection of the first network port and the second network port, or the connection of the first network port and a network card chip in the network safety equipment, wherein the connection mode of the pins of the seven relays is consistent with that of the pins of the first relay.
7. A network security device comprising the bypass control circuit of any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021715711.4U CN212750729U (en) | 2020-08-17 | 2020-08-17 | Bypass control circuit and network security equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021715711.4U CN212750729U (en) | 2020-08-17 | 2020-08-17 | Bypass control circuit and network security equipment |
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| CN212750729U true CN212750729U (en) | 2021-03-19 |
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| CN202021715711.4U Active CN212750729U (en) | 2020-08-17 | 2020-08-17 | Bypass control circuit and network security equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114896181A (en) * | 2022-05-06 | 2022-08-12 | 北京乐研科技股份有限公司 | Hardware bypass circuit and method based on prediction classification and electronic equipment |
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2020
- 2020-08-17 CN CN202021715711.4U patent/CN212750729U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114896181A (en) * | 2022-05-06 | 2022-08-12 | 北京乐研科技股份有限公司 | Hardware bypass circuit and method based on prediction classification and electronic equipment |
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Address after: Building 20, courtyard 3, gaolizhang Road, Haidian District, Beijing 100095 (cloud center, Zhongguancun Cuihu science and Technology Park) Patentee after: Beijing Leyan Technology Co.,Ltd. Address before: Room 501, gate 3, building 3, Shangdi Information Industry base, Haidian District, Beijing 100082 Patentee before: Beijing Leyan Technology Co.,Ltd. |
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