CN208938102U - A kind of communication control unit - Google Patents
A kind of communication control unit Download PDFInfo
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- CN208938102U CN208938102U CN201821763495.3U CN201821763495U CN208938102U CN 208938102 U CN208938102 U CN 208938102U CN 201821763495 U CN201821763495 U CN 201821763495U CN 208938102 U CN208938102 U CN 208938102U
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Abstract
The utility model provides a kind of communication control unit, including the first communication port, the second communication port, transponder and controller, the mobile terminal of the first communication port connection operation maintenance personnel；The second communication port connection is by O&M equipment.When the authentication information of operation maintenance personnel is verified, transponder can forward the first communication port and the received data of the second communication port, i.e., the mobile terminal of operation maintenance personnel and can be in communication with each other between O&M equipment at this time, carry out O&M operation.By the utility model embodiment, the verification process to the authentication information of operation maintenance personnel is increased, avoids illegal operation of unauthorized person during O&M.
Description
Technical field
The utility model relates to fields of communication technology, more specifically to a kind of communication control unit.
Background technique
The O&M of many industrial control systems is attached by serial ports at present, during O&M, is substantially
Operation maintenance personnel is directly connected to industrial control system by notebook serial ports and carries out O&M operation, during O&M, to operation maintenance personnel
Identity does not identify, and then may cause the implantation that unauthorized person carries out illegal software to industrial control system.
Utility model content
To solve during O&M, the identity of operation maintenance personnel is not identified, and then may cause unauthorized person
The implantation of illegal software is carried out to industrial control system, the utility model provides a kind of communication control unit.
To achieve the above object, the utility model provides the following technical solutions:
A kind of communication control unit, comprising:
First communication port, the second communication port, transponder and controller；First communication port, described second are led to
Letter port is connect with the transponder respectively, and the transponder is connect with the controller；First communication port is for connecting
Connect the mobile terminal of operation maintenance personnel；Second communication port is for connecting by O&M equipment；
The controller sends forwarding instruction to the transponder when the verification information received is legal information；Institute
State the authentication information that verification information is operation maintenance personnel input；
The transponder forwards the received first communication number of first communication port after receiving the forwarding instruction
According to extremely second communication port, and forward received second communication data of the second communication port to first communication
Port.
Preferably, for the controller when the verification information received is invalid information, transmission forbids forwarding instruction to institute
State transponder；
The transponder receive it is described forbid forwarding to instruct after, forbid forwarding first communication port received the
One communication data is to second communication port, and forbids forwarding received second communication data of second communication port extremely
First communication port.
It preferably, further include logging modle；The logging modle is connect with the controller；
Communication of the logging modle after receiving the recording instruction that the controller is sent, to transponder forwarding
Data are recorded；Wherein, the communication data includes first communication data and second communication data.
It preferably, further include memory；The memory is connect with the logging modle；
The logging modle records the communication data in the memory.
Preferably, for the controller when receiving operation halt instruction, transmission stops forwarding instruction to the transponder；
The transponder receive it is described stop forwarding instruction after, stop forwarding first communication port received the
One communication data is to second communication port, and stops forwarding received second communication data of second communication port extremely
First communication port.
It preferably, further include display module；The display module is connect with the controller；
The display module, for inputting the verification information.
It preferably, further include ARM mainboard, first communication port, second communication port, the transponder and institute
Controller is stated to be arranged on the ARM mainboard.
Preferably, first communication port and second communication port are serial ports.
Preferably, the serial ports is RS232 serial ports；The controller is ARM controller.
Preferably, the memory is solid state hard disk.
It can be seen from the above technical proposal that the utility model provides a kind of communication control unit, including the first communication
Port, the second communication port, transponder and controller, the mobile terminal of the first communication port connection operation maintenance personnel；It is described
Second communication port is connected by O&M equipment.When the authentication information of operation maintenance personnel is verified, transponder can be forwarded
First communication port and the received data of the second communication port, the i.e. mobile terminal of operation maintenance personnel and by between O&M equipment at this time
It can be in communication with each other, carry out O&M operation.By the utility model embodiment, the authentication information to operation maintenance personnel is increased
Verification process, avoid illegal operation of unauthorized person during O&M.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of structural schematic diagram of communication control unit provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of another communication control unit provided by the embodiment of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model embodiment provides a kind of communication control unit, referring to Fig.1, communication control unit both ends difference
It connects the mobile terminal of operation maintenance personnel and by O&M equipment, referring to Fig.1, communication control unit may include:
First communication port 101, the second communication port 103, transponder 102 and controller 104；First communication port
101, second communication port 103 is connect with the transponder 102 respectively, and the transponder 102 connects with the controller 104
It connects；First communication port 101 is used to connect the mobile terminal of operation maintenance personnel；Second communication port 103 is for connecting
By O&M equipment；
The controller 104 sends forwarding instruction to the transponder when the verification information received is legal information
102；The verification information is the authentication information of operation maintenance personnel input；
The transponder 102 forwards first communication port 101 received first after receiving the forwarding instruction
Communication data is to second communication port 103, and forwarding received second communication data of second communication port 103 is extremely
First communication port 101.
Preferably, communication control unit further includes ARM mainboard, first communication port 101, second communication port
103, the transponder 102 and the controller 104 are arranged on the ARM mainboard.First communication port 101 and institute
Stating the second communication port 103 is serial ports.Serial ports can be RS232 serial ports；The controller 104 is ARM controller.
Optionally, on the basis of the present embodiment, referring to Fig. 2, further includes: display module 105；The display module 105
It is connect with the controller 104；
The display module 105, for inputting the verification information.
Specifically, display module 105 can be clicked on display module 105 and be transported for equipment, users such as display screens
The identification information of dimension equipment pops up the text box of validation information, user is in display module such as by after the title of O&M equipment
Validation information on 105, such as username and password, and click the button for starting O&M.At this point, controller 104 receives this
Verification information, judge the verification information whether be stored in database with user's selection by the corresponding user of O&M equipment
Verification information, that is, determine whether operation maintenance personnel can execute O&M operation by O&M equipment to this, if so, illustrating that the verifying is believed
It is legal to cease, and sends forwarding instruction at this time to transponder 102, controls transponder 102 and forward first communication port 101 received
First communication data to second communication port 103, and forwarding second communication port 103 received second communicates number
According to extremely first communication port 101.I.e. transponder 102 has been connected to the first communication port 101 and the second communication port 103, fortune
It the mobile terminal of dimension personnel and can be communicated, be realized by the first communication port 101 and the second communication port 103 by O&M equipment
O&M operation.
Optionally, on the basis of the present embodiment, the controller 104 is invalid information in the verification information received
When, transmission forbids forwarding instruction to the transponder 102；
The transponder 102 receive it is described forbid forwarding to instruct after, forbid that first communication port 101 is forwarded to connect
The first communication data received is to second communication port 103, and forbids forwarding second communication port 103 received the
Two communication datas are to first communication port 101.
Specifically, determining that operation maintenance personnel cannot be held this by O&M equipment when the verification information of input is illegal
When row O&M operates, transponder 102 is forbidden to forward data, that is, operation maintenance personnel is forbidden to carry out O&M operation to by O&M equipment, protected
Card is by the safety of O&M equipment.
It present embodiments provides a kind of communication control unit, including the first communication port 101, the second communication port 103, turns
Device 102 and controller 104 are sent out, first communication port 101 connects the mobile terminal of operation maintenance personnel；Second communication port
103 connections are by O&M equipment.When the authentication information of operation maintenance personnel is verified, transponder 102 can forward first to lead to
Believe port 101 and the received data of the second communication port 103, i.e. the mobile terminal of operation maintenance personnel and by between O&M equipment at this time
It can be in communication with each other, carry out O&M operation.By the utility model embodiment, the authentication information to operation maintenance personnel is increased
Verification process, avoid illegal operation of unauthorized person during O&M.
In addition, forbidding carrying out O&M operation to by O&M equipment, protecting when the authentication information of operation maintenance personnel is illegal
Card is by the safety of O&M equipment.I.e. by the utility model embodiment, in O&M, if the authentication information of operation maintenance personnel is closed
Method, the communication between the first communication port 101 and the second communication port 103 is connection, when authentication information is illegal, or
Person not O&M when, the communication between the first communication port 101 and the second communication port 103 be block.
Third may be implemented the management to serial ports by the utility model embodiment, solve in the prior art to serial ports
The phenomenon that without control.
It optionally, further include logging modle referring to Fig. 2 on the basis of the embodiment of any of the above-described communication control unit
107；The logging modle 107 is connect with the controller 104；
The logging modle 107 is after receiving the recording instruction that the controller 104 is sent, to the transponder 102
The communication data of forwarding is recorded；Wherein, the communication data includes first communication data and the second communication number
According to.Logging modle 107 can be the equipment such as central processor CPU, on-site programmable gate array FPGA, single-chip microcontroller.
It further, can also include memory 106；The memory 106 is connect with the logging modle 107；Preferably,
Memory 106 is solid-state hard disk SSD.
The communication data is recorded in the memory 106 by the logging modle 107.
Specifically, when wanting to record O&M process recording instruction can be sent to record when O&M starts
Module 107, the communication data that logging modle 107 just forwards transponder 102 at this time record, and generate audit portfolio, and deposit
Storage is in memory 106.
In the present embodiment, the record of O&M process is realized by logging modle 107, is solved in the prior art to O&M mistake
The problem of journey no record, realizes serial communication record of the audit function.
Optionally, based on any of the above embodiments, the controller 104 receive operation halt instruction when,
Transmission stops forwarding instruction to the transponder 102；
The transponder 102 receive it is described stop forwarding instruction after, stop forwarding first communication port 101 and connect
The first communication data received is to second communication port 103, and stops forwarding second communication port 103 received the
Two communication datas are to first communication port 101.
Specifically, operation maintenance personnel clicks the end O&M button on display module 105 after the completion of O&M, control at this time
Device 104, which receives, stops forwarding instruction, and control transponder 102 stops forwarding.
In the present embodiment, after the completion of O&M, operation maintenance personnel can terminate the stopping O&M operation of O&M button by clicking,
It is more humanized.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of communication control unit characterized by comprising
First communication port, the second communication port, transponder and controller；First communication port, second communication ends
Mouth is connect with the transponder respectively, and the transponder is connect with the controller；First communication port is for connecting fortune
The mobile terminal of dimension personnel；Second communication port is for connecting by O&M equipment；
The controller sends forwarding instruction to the transponder when the verification information received is legal information；It is described to test
Demonstrate,prove the authentication information that information is operation maintenance personnel input；
The transponder forwards received first communication data of the first communication port extremely after receiving the forwarding instruction
Second communication port, and forward received second communication data of the second communication port to first communication ends
Mouthful.
2. communication control unit according to claim 1, which is characterized in that the controller is in the verification information received
When for invalid information, transmission forbids forwarding instruction to the transponder；
The transponder receive it is described forbid forwarding to instruct after, forbid forwarding first communication port received first logical
Letter data is to second communication port, and forbids forwarding received second communication data of second communication port to described
First communication port.
3. communication control unit according to claim 1, which is characterized in that further include logging modle；The logging modle
It is connect with the controller；
The logging modle is after receiving the recording instruction that the controller is sent, to the communication data of transponder forwarding
It is recorded；Wherein, the communication data includes first communication data and second communication data.
4. communication control unit according to claim 3, which is characterized in that further include memory；The memory and institute
State logging modle connection；
The logging modle records the communication data in the memory.
5. communication control unit according to claim 1, which is characterized in that the controller receive operation stop refer to
When enabling, transmission stops forwarding instruction to the transponder；
The transponder receive it is described stop forwarding instruction after, it is logical to stop forwarding first communication port received first
Letter data is to second communication port, and stops forwarding received second communication data of second communication port to described
First communication port.
6. communication control unit according to claim 1, which is characterized in that further include display module；The display module
It is connect with the controller；
The display module, for inputting the verification information.
7. communication control unit according to claim 1, which is characterized in that it further include ARM mainboard, first communication ends
Mouth, second communication port, the transponder and the controller are arranged on the ARM mainboard.
8. communication control unit according to claim 1, which is characterized in that first communication port and described second is led to
Believe that port is serial ports.
9. communication control unit according to claim 8, which is characterized in that the serial ports is RS232 serial ports；The control
Device is ARM controller.
10. communication control unit according to claim 4, which is characterized in that the memory is solid state hard disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821763495.3U CN208938102U (en) | 2018-10-29 | 2018-10-29 | A kind of communication control unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821763495.3U CN208938102U (en) | 2018-10-29 | 2018-10-29 | A kind of communication control unit |
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| Publication Number | Publication Date |
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| CN208938102U true CN208938102U (en) | 2019-06-04 |
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ID=66726370
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821763495.3U Active CN208938102U (en) | 2018-10-29 | 2018-10-29 | A kind of communication control unit |
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| CN (1) | CN208938102U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112578763A (en) * | 2019-09-30 | 2021-03-30 | 北京国双科技有限公司 | Security authorization method, fault diagnosis method, system and related products |
-
2018
- 2018-10-29 CN CN201821763495.3U patent/CN208938102U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112578763A (en) * | 2019-09-30 | 2021-03-30 | 北京国双科技有限公司 | Security authorization method, fault diagnosis method, system and related products |
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