CN112433466A - Time code signal output system and method - Google Patents
Time code signal output system and method Download PDFInfo
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- CN112433466A CN112433466A CN202011307619.9A CN202011307619A CN112433466A CN 112433466 A CN112433466 A CN 112433466A CN 202011307619 A CN202011307619 A CN 202011307619A CN 112433466 A CN112433466 A CN 112433466A
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Abstract
The invention discloses a time code signal output system and a time code signal output method, relates to the technical field of time system systems, and aims to solve the problems that the customization requirements of the existing time code output method cannot be generally applied, and the development difficulty is large and complex. The time source input module of the system is communicated with the controller unit and sends the generated time frequency source signal to the controller unit; the controller unit is communicated with the time code output unit, analyzes and processes the received time frequency source signal, converts the time frequency source signal into a time code signal corresponding to the frequency source type, and outputs a time code signal of a target type according to a first control instruction; and the time code output unit is used for carrying out level conversion on the received time code signal and outputting a target level signal according to a second control instruction. The system and the method can selectively output the time code signals and the level signals of corresponding types according to the customization requirements, reduce the development difficulty and complexity, save the development cost and have high practicability.
Description
Technical Field
The invention relates to the technical field of time synchronization systems, in particular to a time code signal output method and device.
Background
With the increasingly wide application of time-series equipment, the requirements for customizing the time code signal output interface are more and more, the type of the time code signal is considered, the type of the level is also considered, the customization requirement cannot be universally applied, and the development difficulty and complexity are increased. There is a need for a time code output method that is suitable for most customization requirements, and can reduce the development difficulty and complexity and save the development cost, so as to solve the above problems.
Disclosure of Invention
The invention aims to provide a time code signal output method and a time code signal output device, which are used for solving the problems that the customization requirement of the existing time code output method cannot be generally applied, and the development difficulty is large and complex.
In order to achieve the above purpose, the invention provides the following technical scheme:
there is provided a time code signal output system including: the time source input module, the controller unit and the time code output unit;
the time source input module is communicated with the controller unit and is used for sending the generated time frequency source signal to the controller unit;
the controller unit is communicated with the time code output unit and is used for analyzing and processing the received time frequency source signal, converting the time frequency source signal into a time code signal corresponding to the frequency source type and outputting a time code signal of a target type according to a first control instruction;
and the time code output unit is used for carrying out level conversion on the received time code and frequency signal and outputting a target level signal according to the second control instruction.
The time code signal output system adopts the time code signal output device, receives the time frequency source signal input by the time source input module, sends the specific type of time frequency signal to the time code output module through the analysis and processing of the control unit, and selectively outputs the corresponding signal type and the signal level type according to the customization requirement. The method is suitable for most customization requirements, reduces the development difficulty and complexity, saves the development cost, and has high practicability.
The invention also provides an output method based on the time code signal output system, which comprises the following steps:
analyzing and processing the received time frequency source signal, converting the time frequency source signal into a time code signal corresponding to the frequency source type, and outputting a time code signal of a target type according to a first control instruction;
and carrying out level conversion on the received time code signal, and outputting a target type level signal according to a second control instruction.
According to the output method based on the time code signal, the time code signal output device is adopted to receive the time frequency source signal input by the time source input module, the specific type of time frequency signal is sent to the time code output module through the analysis and processing of the control unit, and the corresponding signal type and the signal level type are selectively output according to the customization requirement. The method is suitable for most customization requirements, reduces the development difficulty and complexity, saves the development cost, and has high practicability.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic block diagram of a time code signal output system according to an embodiment of the present invention;
FIG. 2 is a block diagram of a suitability of a time code output unit according to an embodiment of the present invention;
fig. 3 is a schematic flow chart of a time code signal output method according to another embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first", "second" and "first" 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 indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred 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 present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, the time code signal output system provided by the present invention includes: the time source input module, the controller unit and the time code output unit;
the time source input module is communicated with the controller unit and is used for sending the generated time frequency source signal to the controller unit;
the controller unit is communicated with the time code output unit and used for analyzing and processing the received time frequency source signal, converting the time frequency source signal into a time code signal corresponding to the frequency source type and outputting a time code signal of a target type according to a first control instruction;
and the time code output unit is used for carrying out level conversion on the received time code signal and outputting a target level signal according to a second control instruction.
Wherein: the first control instruction is a control instruction which is set by a hardware circuit or manually selected and controlled and is used for selecting the type of the output time code signal in the controller unit stage; the second control instruction is a control instruction which is set by a hardware circuit or manually selected and controlled and is used for selecting the type of the output level signal in a time code output unit stage.
The specific implementation is as follows:
the time source input module comprises all module units capable of generating time frequency sources, such as a GPS/BD module, a B code generation module, a ToD time code generation module, an NPT/PTP time code synchronization module and the like, and transmits time frequency source signals to the control unit;
the controller unit realizes the generation, selection and distribution of output signals and the communication function with other modules;
the time code output unit completes the level conversion function of the input time code and the frequency signal;
the display module is connected with the controller unit through the display interface, and the display functions of time information, state information and the like are realized;
and the upper computer is connected with the controller unit through an upper computer interface, so that the functions of remote control of the equipment, fault information report of a receiving equipment end and the like are realized, and the human-computer interaction function is realized.
The time code signal output system adopts a time code signal output device to receive time frequency source signals input by the time source input module, sends certain types of time code signals to the time code output module through the analysis and the processing of the control unit module, and selects different types of level interfaces to output according to customization requirements.
The specific operation is as follows:
1) the controller unit receives the time frequency source, and then converts the time frequency source into a plurality of time code signals, such as ToD codes, B (AC) codes, B (DC) codes and the like, through analysis and processing; analyzing, converting or generating various frequency sources such as 1PPS, 10MHz and the like; the time code and frequency source type generated by the controller unit can cover the time frequency signal common output type of the time frequency equipment;
2) after the controller unit generates a time-frequency signal source, the time code frequency source signal type output to each time code output unit is controlled according to hardware circuit setting or manual selection;
3) the number of the time code output units is determined according to the type of the output signal of the time code equipment, but is limited by the size of the board card;
4) after receiving a certain signal source, such as one of 1PPS, 10MHz, ToD, B (DC), etc., the time code output unit respectively sends the signal source to the TTL level processing circuit, the RS232 level processing circuit, the RS422 level processing circuit, the optical port output module, etc., and generates various types of level signals of the input time code signal source after being processed by each module under the control of the control signal, as shown in fig. 2;
5) the time code output unit receives the B (AC) time code signal source, then directly sends the signal to the B (AC) code output module, and determines whether the B (AC) code is output according to the hardware circuit setting or manual selection;
6) at this time, after each time frequency signal source is processed by the control unit and the time code output unit, various levels of the type corresponding to the input time code signal source are generated, and then the signal of the type corresponding to the demand and the signal level can be selectively output according to the customized demand; when the requirement changes, the signal type and the level signal type corresponding to the output requirement are reselected;
7) further, the time code output units theoretically range from 1 to N, and no specific number is limited;
8) further, the types of processing modules in the time code output unit are not limited, and the time code output unit is not limited to include only a TTL level processing circuit, an RS232 level processing circuit, an RS422 level processing circuit, an optical port output module, and a b (ac) code output module.
The time code signal output system adopts the time code signal output device to receive the time frequency source signal input by the time source input module, sends the specific type of time frequency signal to the time code output module through the analysis and processing of the control unit, and selectively outputs the corresponding signal type and the signal level type according to the customization requirement. The method is suitable for most customization requirements, reduces the development difficulty and complexity, saves the development cost, and has high practicability.
As one possible embodiment, the first control instruction includes a controller unit circuit setting signal and a manual selection output control signal. Further, the time source input module includes, but is not limited to, a GPS/BD module, a B code generation module, a ToD time code generation module, and an NPT/PTP time code synchronization module;
the GPS/BD module, the B code generating module, the ToD time code generating module and the NPT/PTP time code synchronizing module are connected in parallel and used for sending the generated time frequency source signal to the controller unit.
The time source input module comprises all module units capable of generating time frequency sources, and signals transmitted to the controller unit comprise all types of time frequency source signals. The controller unit receives the time frequency source, and then converts the time frequency source into a plurality of time code signals, such as ToD codes, B (AC) codes, B (DC) codes and the like, through analysis and processing; after analyzing, processing, converting or generating various frequency sources, such as 1PPS, 10MHz, etc., the time code and frequency source type generated by the controller unit can already cover the time frequency signal common output type of the time frequency device, the controller unit can select the output control signal according to the setting signal of the controller unit circuit or manually select the output control signal, select the time code signal of the corresponding type, and send the time code signal to the time code output module, which is convenient for the user to select the time frequency source signal of the type to be output according to the actual requirement.
As an implementation, the second control signal is a control signal generated by the controller unit according to a manual selection output control signal. Further, the processing module of the time code output unit includes, but is not limited to, a TTL level processing circuit, an RS232 level processing circuit, an RS422 level processing circuit, an optical port output module, and a b (ac) code output module;
the TTL level processing circuit, the RS232 level processing circuit, the RS422 level processing circuit, the optical port output module and the B (AC) code output module are connected in parallel and used for carrying out level conversion on the received time code signals and outputting target level signals according to a second control instruction.
The second control signal is a control signal generated after being set or selected by the controller unit, the generated control signal is sent to the time code output unit, the time code output unit respectively sends the received time code signal of a certain type, such as one of 1PPS, 10MHz, ToD, B (DC), etc., to the TTL level processing circuit, the RS232 level processing circuit, the RS422 level processing circuit, the optical port output module, etc., and the level signal of the input time code signal is generated after being processed by the selected module under the control of the control signal.
As an implementation manner, the time code output unit is further configured to determine a type of the received time code signal, and when the time code signal is determined to be a b (ac) time code signal, the time code signal is directly sent to the b (ac) code output module, and whether to output the time code signal is determined according to the first control signal.
The time code output unit judges the received time code signal to judge whether the time code signal is B (AC) time code signal, when the time code signal is B (AC) time code signal, the time code signal is directly sent to the B (AC) code output module, and whether the time code signal is output is judged according to the setting signal of the controller unit circuit or the manual selection output control signal. By judging the B (AC) time code signal, the output period is shortened, and the efficiency of the system is improved.
As an implementation mode, the time code signal output system further comprises an upper computer which is in communication connection with the controller unit and is used for remotely controlling the time code signal output system and receiving fault information reported by the time code signal output system.
The setting of host computer has realized the human-computer interaction function of system, and control is more convenient.
As an implementation manner, the time code signal output system further includes a display module, which is in communication connection with the controller unit, and is used for displaying the time information of the time code signal output system as the status information.
The display module is arranged, so that the time information and the like of the system can be displayed visually better.
As shown in fig. 3, the present invention further provides a time code signal output method, including the following steps:
step S10: analyzing and processing the received time frequency source signal, converting the time frequency source signal into a time code signal corresponding to the frequency source type, and outputting a time code signal of a target type according to a first control instruction;
step S20: and carrying out level conversion on the received time code signal, and outputting a target type level signal according to a second control instruction.
Before step S10, step S1 is also executed, specifically, a time-frequency source signal is generated.
As an implementation manner, before level conversion is performed on the received time code signal and the target type level signal is output according to the second control instruction, the method comprises the following steps:
judging the type of the received time code signal, and when the type is judged to be B (AC) time code signal, directly sending the time code signal into a B (AC) code output module, and determining whether to output the time code signal according to a first control signal.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A time code signal output system, comprising: the time source input module, the controller unit and the time code output unit;
the time source input module is communicated with the controller unit and is used for sending the generated time frequency source signal to the controller unit;
the controller unit is communicated with the time code output unit and is used for analyzing and processing the received time frequency source signal, converting the time frequency source signal into a time code signal corresponding to the frequency source type and outputting a time code signal of a target type according to a first control instruction;
and the time code output unit is used for carrying out level conversion on the received time code signal and outputting a target level signal according to a second control instruction.
2. The time code signal output system according to claim 1, wherein the first control instruction includes the controller unit circuit setting signal and a manual selection output control signal.
3. The time code signal output system according to claim 2, wherein the second control signal is a control signal generated by the controller unit outputting a control signal according to manual selection.
4. The time code signal output system according to claim 1, wherein the time source input module includes a GPS/BD module, a B code generation module, a ToD time code generation module, and an NPT/PTP time code synchronization module;
the GPS/BD module, the B code generating module, the ToD time code generating module and the NPT/PTP time code synchronizing module are connected in parallel and then communicated with the controller unit, and are used for sending the generated time frequency source signal to the controller unit.
5. The time code signal output system according to claim 1, wherein the processing modules of the time code output unit include a TTL level processing circuit, an RS232 level processing circuit, an RS422 level processing circuit, an optical port output module, and a b (ac) code output module;
the TTL level processing circuit, the RS232 level processing circuit, the RS422 level processing circuit, the optical port output module and the B (AC) code output module are connected in parallel and used for carrying out level conversion on the received time code signal and outputting a target level signal according to the second control instruction.
6. The time code signal output system according to claim 5, wherein the time code output unit is further configured to determine a type of the received time code signal, and when the type is determined as a B (AC) time code signal, the time code signal is directly sent to the B (AC) code output module, and whether to output the time code signal is determined according to the first control signal.
7. The time code signal output system according to claim 1, further comprising an upper computer, communicatively connected to the controller unit, for remotely controlling the time code signal output system and receiving the fault information reported by the time code signal output system.
8. The time code signal output system according to claim 1, further comprising a display module, communicatively connected to the controller unit, for displaying the time information of the time code signal output system as status information.
9. A time code signal output method based on the time code signal output system according to any one of claims 1 to 8, comprising the steps of:
analyzing and processing the received time frequency source signal, converting the time frequency source signal into a time code signal corresponding to the frequency source type, and outputting a time code signal of a target type according to a first control instruction;
and carrying out level conversion on the received time code signal, and outputting a target type level signal according to a second control instruction.
10. The time code signal output method according to claim 9, comprising the steps of, before said level-shifting the received time code signal to output the target type level signal according to the second control instruction:
judging the type of the received time code signal, and when the type is judged to be a B (AC) time code signal, directly sending the time code signal to the B (AC) code output module, and determining whether to output the time code signal according to the first control signal.
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