CN213243952U - Multi-path synchronous pulse sequence generation system - Google Patents
Multi-path synchronous pulse sequence generation system Download PDFInfo
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- CN213243952U CN213243952U CN202022585753.7U CN202022585753U CN213243952U CN 213243952 U CN213243952 U CN 213243952U CN 202022585753 U CN202022585753 U CN 202022585753U CN 213243952 U CN213243952 U CN 213243952U
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Abstract
The utility model relates to a multichannel synchronous pulse sequence generating system, which comprises a synchronous pulse generator, a controller, a first electro-optical conversion module and a time sequence measuring module, wherein the synchronous pulse generator outputs multichannel synchronous pulse signals according to received level signals, the controller controls the synchronous pulse generator to be started and closed, the first electro-optical conversion module converts the synchronous pulse signals into electric signals to be transmitted to triggered equipment, the time sequence measuring module acquires the synchronous pulse signals to obtain waveform data so as to calculate the delay time among channels, the synchronous pulse generator has a plurality of triggering modes, can generate synchronous pulses with different frequencies, pulse widths and delay precisions according to the requirements of the triggered equipment, provides high-precision synchronous pulse sequences for a plurality of triggered equipment, and the multichannel synchronous precisions reach 300ps, and simultaneously, achieves medium-speed and high-speed full-automatic BIT effects by the time sequence measuring module, and adjusting the output parameters of the multi-path synchronous pulse signals in real time on line.
Description
Technical Field
The utility model belongs to the technical field of the electron, specifically speaking relates to a multichannel synchronization pulse sequence produces system.
Background
Modern electronic systems typically contain multiple devices and require that each device act in concert. To achieve accurate synchronization, a synchronization signal is required to trigger. In some special circumstances, there is strong electromagnetic interference and the sync pulse generator is required to be at a distance from other devices. The sync pulse signal is typically limited in amplitude and energy and is highly susceptible to electromagnetic interference in the environment, thereby rendering it ineffective for controlling remote devices. In addition, due to the influence of other factors, the triggered devices in different environments have different requirements on the synchronization signal, and the pulse width and amplitude parameters of the synchronization signal need to be adjusted according to the difference of the environments.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, a multi-channel synchronization pulse sequence generation system is proposed.
In order to achieve the above object, the utility model provides a following technical scheme:
a multiple sync pulse sequence generation system, comprising:
a sync pulse generator which outputs a plurality of sync pulse signals according to the received level signal;
the controller is in communication connection with the synchronous pulse generator and is used for controlling the start and the stop of the synchronous pulse generator;
the first electro-optical conversion module is in communication connection with the synchronous pulse generator and is used for converting the synchronous pulse signal into an electric signal and transmitting the electric signal to the triggered equipment;
and the time sequence measuring module is respectively in communication connection with the synchronous pulse generator and the controller, acquires the synchronous pulse signals to obtain waveform data, and uploads the waveform data to the controller so as to calculate the delay time among the channels in the synchronous pulse generator.
Furthermore, the synchronous pulse generator is provided with a self-triggering button, and the self-triggering button is triggered to generate a level signal.
Further, the synchronous pulse generator is connected with an external self-reset button through a cable, and triggers the self-reset button to generate a level signal.
Further, the controller is connected with an upper computer interface through the Ethernet, the output parameters of the multi-path synchronous pulse signals are set through the upper computer, and a starting command is sent to the controller.
Further, the output parameters of the multi-path synchronous pulse signal comprise pulse repetition frequency, pulse generation quantity and delay time of each channel.
Furthermore, the upper computer is provided with a trigger emergency stop button and a reset button, the trigger emergency stop button and the reset button are respectively in communication connection with the synchronous pulse generator, the trigger emergency stop button is clicked in the process of generating synchronous pulses, the synchronous pulse generator immediately stops outputting the synchronous pulses, and the reset button is used for restoring the parameters set by the upper computer to an initialization state.
Further, the synchronous pulse generator is connected with the superior device through an optical fiber, the superior device sends out multiple paths of synchronous optical signals through the optical fiber, and the multiple paths of synchronous optical signals are converted into level signals through the second electro-optical conversion module.
Further, the output parameters of the synchronization pulse signal and the synchronization optical signal are the same.
Further, the synchronization pulse generator reserves 1 channel as a feedback channel of the synchronization optical signal.
Furthermore, the time sequence measuring module comprises a microsecond precision time sequence measuring module and a nanosecond precision time sequence measuring module, the microsecond precision time sequence measuring module is connected with a channel for generating microsecond delay precision signals, and the nanosecond precision time sequence measuring module is connected with a channel for generating nanosecond delay precision signals, so that the medium-speed and high-speed full-automatic BIT (built-in test) effect is achieved, the online real-time test is realized, and the delay, pulse width and frequency of the multi-channel synchronous pulse signals are adjusted online in real time.
Furthermore, the synchronous pulse signal output firstly serves as a trigger input signal of the time sequence measuring module, the time sequence measuring module processes each acquired input signal under the driving of the trigger input signal to obtain waveform data, and the waveform data are sent to the controller.
The utility model has the advantages that:
the synchronous pulse generator is provided with a plurality of triggering modes, has high flexibility, can generate synchronous pulses with different frequencies, pulse widths and delay precisions according to the requirements of triggered equipment, provides a high-precision synchronous pulse sequence for a plurality of triggered equipment, achieves the multi-path synchronous precision of 300ps, achieves the medium-speed and high-speed full-automatic BIT effects by means of the time sequence measuring module, realizes online real-time testing, and adjusts the output parameters of multi-path synchronous pulse signals online in real time.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the drawings: the system comprises a 1-synchronous pulse generator, a 2-controller, a 3-first electro-optical conversion module, a 4-triggered device, a 5-microsecond precision time sequence measuring module, a 6-nanosecond precision time sequence measuring module/7-self-reset button, an 8-superior device, a 9-second electro-optical conversion module and a 10-superior computer.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention.
The present invention will be further described with reference to the accompanying drawings and preferred embodiments.
The first embodiment is as follows:
as shown in fig. 1, a multi-channel synchronization pulse sequence generation system includes a synchronization pulse generator 1, a controller 2, a first electro-optical conversion module 3, and a timing measurement module. The synchronization pulse generator 1 outputs a plurality of paths of synchronization pulse signals according to the received level signal, and the synchronization precision of the plurality of paths of pulses is 300 ps. The controller 2 is in communication connection with the sync pulse generator 1 and is used for controlling the start and stop of the sync pulse generator 1. The first electro-optical conversion module 3 is in communication connection with the synchronization pulse generator 1, and is used for converting the synchronization pulse signal into an electrical signal and transmitting the electrical signal to the triggered device 4. The time sequence measuring module is respectively in communication connection with the synchronous pulse generator 1 and the controller 2, acquires synchronous pulse signals to obtain waveform data, and uploads the waveform data to the controller 2 so as to calculate delay time among channels in the synchronous pulse generator 1.
Meanwhile, the synchronization pulse generator 1 has a plurality of triggering modes:
firstly, self-triggering:
the synchronous pulse generator 1 is provided with a self-triggering button, and the self-triggering button is triggered to generate a level signal.
Second, external button triggering:
the synchronous pulse generator 1 is connected with an external self-reset button 7 through a cable, and triggers the self-reset button 7 to generate a level signal.
Thirdly, triggering by software:
the controller 2 is connected with an upper computer interface through Ethernet, sets output parameters of the multi-path synchronous pulse signals through the upper computer, and transmits a starting command to the controller 2 to enable the synchronous pulse generator 1 to output the multi-path synchronous pulse signals. The output parameters of the multi-channel synchronous pulse signals comprise pulse repetition frequency, pulse generation quantity and delay time of each channel. Meanwhile, the upper computer is provided with a trigger emergency stop button and a reset button, the trigger emergency stop button and the reset button are respectively in communication connection with the synchronous pulse generator 1, the trigger emergency stop button is clicked in the process of generating synchronous pulses, the synchronous pulse generator 1 immediately stops outputting the synchronous pulses, and the reset button is used for restoring the parameters set by the upper computer to an initialization state.
Fourth, synchronous light pulse triggering:
the synchronous pulse generator 1 is connected with the superior device 8 through an optical fiber, the superior device 8 sends out a plurality of paths of synchronous optical signals through the optical fiber, the plurality of paths of synchronous optical signals are converted into level signals through the second electro-optical conversion module 9, and the synchronous pulse generator 1 generates corresponding synchronous pulse signals along with the superior device 8. That is, the output parameters of the synchronization pulse signal and the synchronization optical signal are the same. Meanwhile, the synchronization pulse generator 1 reserves 1 channel as a feedback channel of the synchronization optical signal.
In conclusion, remote control can be realized through external button triggering, software triggering and synchronous light pulse triggering, the anti-jamming capability is strong, the device is particularly suitable for environments with strong radiation and strong electromagnetic interference, and meanwhile, under the environments with strong radiation and strong electromagnetic interference, synchronous pulse signals can be transmitted by adopting all-fiber. In addition, synchronous pulses with different frequencies, pulse widths and delay precisions are generated according to the requirements of the triggered equipment 4, and a high-precision synchronous pulse sequence is provided for a plurality of triggered equipment.
The time sequence measuring module comprises a microsecond precision time sequence measuring module 5 and a nanosecond precision time sequence measuring module 6, the microsecond precision time sequence measuring module 5 is connected with a channel of a synchronous pulse generator 1 generating microsecond delay precision signals, the nanosecond precision time sequence measuring module 6 is connected with a channel of the synchronous pulse generator 1 generating nanosecond delay precision signals, the effect of medium-speed and high-speed full-automatic BIT (built-in test) is achieved, online real-time test is achieved, and delay, pulse width and frequency of multi-channel synchronous pulse signals are adjusted online in real time. The synchronous pulse signal output firstly is used as a trigger input signal of the time sequence measuring module, the time sequence measuring module processes each acquired input signal under the drive of the trigger input signal to obtain waveform data, and the waveform data is sent to the controller 2.
Example two:
parts of this embodiment that are the same as those of the first embodiment are not described again, except that:
the sync pulse generator 1 has 7 lanes for generating sync pulses, of which lanes 1-3 are used for initiating the pulse sequence, lanes 4-6 are used as high precision sync pulse signals, lane 7 is used as a backup for the first 6 lanes, and lane 8 is used as a feedback lane for the sync light signal. The pulse width of each channel signal is defaulted to 15us, and the first electro-optical conversion module 3 converts the synchronous pulse signal into a single-mode electrical signal with the wavelength of 1310nm and sends the signal to the triggered device 4.
The upper level device 8 is an arbitrary waveform generator for generating a synchronous optical signal, which is converted into a level signal by the second electro-optical conversion module 9 and triggers the synchronous pulse generator 1.
The first electro-optical conversion module 3 and the second electro-optical conversion module 9 are powered by 220VAC, a power interface adopts a socket shaped like a Chinese character 'pin', an optical signal interface adopts an FC type optical fiber connector, and a level signal interface adopts an SMA connector. In this embodiment, the first electro-optical conversion module 3 and the second electro-optical conversion module 9 are both optical pulse signal test boxes, which have 8 optical signal inputs and 8 level signal outputs, and are used to satisfy the test of 6 pulse signals and 1 return signal, and corresponding indicator lamps are arranged on the panel of the optical pulse signal test box to correspond one-to-one, and the receiving and sending conditions can be observed by the flashing of the indicator lamps.
And a microsecond-level precision time sequence measuring module 5 is used for collecting microsecond-level delay precision signals generated by channels 1-3 of the synchronous pulse generator 1. The signal output firstly is used as a trigger input signal, the complete waveform of the 3 paths of pulse signals can be obtained through one-time acquisition, after each acquisition is completed, waveform data are uploaded to the upper computer 10 through the controller 2, a software development tool of the upper computer 10 is Visual Stadio2010, and an operating system of the upper computer is Windows. And after receiving the data, the upper computer 10 draws a waveform curve on an interface, and automatically calculates and displays delay time and time resolution of 4ns among channels.
The nanosecond precision time sequence measuring module 6 is used for collecting nanosecond delay precision signals generated by the channels 4-7 of the synchronous pulse generator 1 (the channel 7 is initially used as a nanosecond pulse backup output channel). The signal output firstly is used as a trigger input signal, the complete waveform of 4 paths of pulse signals can be obtained by one-time acquisition, after each acquisition is completed, waveform data are uploaded to an upper computer 10 through a controller 2, the upper computer 10 draws a waveform curve on an interface after receiving the data, and automatically calculates and displays the delay time between channels, and the time resolution is 0.8 ns.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.
Claims (8)
1. A multiple sync pulse sequence generation system, comprising:
a sync pulse generator which outputs a plurality of sync pulse signals according to the received level signal;
the controller is in communication connection with the synchronous pulse generator and is used for controlling the start and the stop of the synchronous pulse generator;
the first electro-optical conversion module is in communication connection with the synchronous pulse generator and is used for converting the synchronous pulse signal into an electric signal and transmitting the electric signal to the triggered equipment;
and the time sequence measuring module is respectively in communication connection with the synchronous pulse generator and the controller, acquires the synchronous pulse signals to obtain waveform data, and uploads the waveform data to the controller so as to calculate the delay time among the channels in the synchronous pulse generator.
2. The multiple-lane synchronization pulse sequence generation system of claim 1, wherein said synchronization pulse generator is provided with a self-triggering button, and wherein said self-triggering button is activated to generate a level signal.
3. The multiple sync pulse sequence generation system of claim 1, wherein said sync pulse generator is connected to an external self-reset button via a cable, and the self-reset button is activated to generate the level signal.
4. The system for generating multiple synchronous pulse sequences according to claim 1, wherein the controller is connected to the upper computer via an ethernet interface, and the upper computer sets the output parameters of the multiple synchronous pulse signals and issues a start command to the controller.
5. The system for generating multiple synchronous pulse sequences according to claim 4, wherein the upper computer is provided with a trigger emergency stop button and a reset button, and the trigger emergency stop button and the reset button are respectively in communication connection with the synchronous pulse generator.
6. The system according to claim 1, wherein the synchronization pulse generator is connected to the superior device through an optical fiber, the superior device sends out multiple synchronous optical signals through the optical fiber, and the multiple synchronous optical signals are converted into level signals through the second electro-optical conversion module.
7. The multiple sync pulse sequence generation system of claim 6, wherein said sync pulse generator reserves 1 channel as a feedback channel for the sync optical signal.
8. The multiple synchronous pulse sequence generating system according to any one of claims 2 to 7, wherein the timing measurement module includes a microsecond precision timing measurement module and a nanosecond precision timing measurement module, the microsecond precision timing measurement module is connected to a channel for generating a microsecond delay precision signal, and the nanosecond precision timing measurement module is connected to a channel for generating a nanosecond delay precision signal.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113872571A (en) * | 2021-10-08 | 2021-12-31 | 中国人民解放军63660部队 | Programmable hundred kV-level high-voltage pulse generation system based on time delay control |
| CN115479928A (en) * | 2022-09-07 | 2022-12-16 | 山东大学 | LAbview-based synchronous detection control system and control method for low-intensity light signals |
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2020
- 2020-11-10 CN CN202022585753.7U patent/CN213243952U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113872571A (en) * | 2021-10-08 | 2021-12-31 | 中国人民解放军63660部队 | Programmable hundred kV-level high-voltage pulse generation system based on time delay control |
| CN113872571B (en) * | 2021-10-08 | 2024-04-19 | 中国人民解放军63660部队 | Programmable hundred kV high-voltage pulse generation system based on time delay control |
| CN115479928A (en) * | 2022-09-07 | 2022-12-16 | 山东大学 | LAbview-based synchronous detection control system and control method for low-intensity light signals |
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