CN210488284U - Independent third-party monitoring system based on dual processors - Google Patents

Abstract

The utility model discloses an independent third party monitoring system based on dual processor comprises first power rail, function processing circuit, function circuit, second power rail, monitoring processing circuit and monitoring circuit. The utility model discloses adopt the system level BIT based on dual processor to commercial rocket distribution and ignition time sequence key state to avoid the impaired and unable inherent defect that detects of marginal fault of real-time based on the device level BIT of single processor. In addition, by accurately dividing functions of the high-low performance processor, reasonably setting key state monitoring and calibration points of the power distribution and ignition time sequence of the commercial rocket and coordinating the working states of the dual processors by adopting a multi-channel and self-calibration communication technology, the independent third-party monitoring system for the key state of the power distribution and ignition time sequence of the commercial rocket based on the dual processors has the characteristics of strong anti-interference capability, high working reliability and the like, and the accuracy of the self-checking and flight remote measurement data of the commercial rocket is ensured.

Description

Independent third-party monitoring system based on dual processors

Technical Field

The utility model relates to a commercial rocket state monitoring technology field, concretely relates to independent third party monitoring system based on dual processor.

Background

The state monitoring of the power distribution and ignition time sequence of the commercial rocket directly relates to the launching reliability and safety of the rocket. Currently, the detection of the state monitoring of the power distribution and ignition timing of commercial rockets is generally implemented by using single-processor-based device-level BIT (Prognostics and Health Management). However, the functional tasks of the single-processor-based device level BIT and the BIT tasks are implemented by using the same processor, which not only occupies precious processor resources and affects the real-time response of the system, but also fails to detect the system edge failure of the processor, and even causes a systematic shutdown when the processor is abnormal.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve is that the distribution of current commercial rocket and the state monitoring of ignition chronogenesis adopt can influence the system response real-time based on single treater's device level BIT, and can appear the problem that the system nature shut down even when the treater is unusual, provides an independent third party monitoring system based on dual processor.

In order to solve the above problems, the utility model discloses a realize through following technical scheme:

an independent third-party monitoring system based on dual processors is composed of a first power supply rail, a function processing circuit, a function circuit, a second power supply rail, a monitoring processing circuit and a monitoring circuit. The first power rail supplies power to the functional processing circuit and the functional circuit; the function processing circuit is communicated with the flight control computer through a first external communication bus, a second external communication bus and a third external communication bus, receives a control command and reports working state data to the flight control computer; the functional circuit realizes the power distribution and related ignition time sequence control of the commercial rocket under the control of the functional processing circuit, and feeds back corresponding power distribution and ignition control results to the functional processing circuit. The second power rail supplies power to the monitoring processing circuit and the monitoring circuit; the monitoring processing circuit is communicated with the telemetering center through a fourth external communication bus and a fifth external communication bus, and is used for receiving telemetering commands and reporting monitoring data to the telemetering center; the monitoring circuit utilizes the first state acquisition bus to acquire the core working state of the functional processing circuit under the control of the monitoring processing circuit, utilizes the second state acquisition bus to acquire the core working state of the functional circuit, and feeds back a corresponding acquisition result to the monitoring processing circuit. The function processing circuit is internally provided with a function processor, the monitoring processing circuit is internally provided with a monitoring processor, and the function processor and the monitoring processor are mutually calibrated through a first internal communication bus and a second internal communication bus.

In the above solution, the function processing circuit includes a function processor, a first isolated communication interface circuit, a second isolated communication interface circuit, a third isolated communication interface circuit, a first power BIT, and a first power management circuit; a first communication port of the function processor is connected with a first external communication bus through a first isolation communication interface circuit; the second communication port of the function processor is connected with a second external communication bus through a second isolation communication interface circuit; a third communication port of the function processor is connected with a third external communication bus through a third isolated communication interface circuit; the BIT control port and the BIT acquisition port of the functional processor are connected with a first power supply rail through a first power supply BIT; the nuclear power supply port, the auxiliary power supply port, the first peripheral power supply port, the second peripheral power supply port and the third peripheral power supply port of the functional processor are connected with a first power supply rail through a first power supply management circuit; the first power supply BIT is connected with the first power supply management circuit; the power distribution control port, the power distribution acquisition port, the ignition control port and the ignition acquisition port of the functional processor are connected with the functional circuit; the fourth communication port of the function processor is connected with the monitoring processor of the monitoring processing circuit through a first internal communication bus; and a fifth communication port of the function processor is connected with the monitoring processor of the monitoring processing circuit through a second internal communication bus.

In the above scheme, the monitoring processing circuit includes a monitoring processor, a fourth isolated communication interface circuit, a fifth isolated communication interface circuit, a second power BIT, and a second power management circuit; a fourth communication port of the monitoring processor is connected with a fourth external communication bus through a fourth isolation communication interface circuit; a fifth communication port of the monitoring processor is connected with a fifth external communication bus through a fifth isolated communication interface circuit; the BIT control port and the BIT acquisition port of the monitoring processor are connected with a second power supply rail through a second power supply BIT; the nuclear power supply port and the auxiliary power supply port of the monitoring processor are connected with a second power supply rail through a second power supply management circuit; the second power supply BIT is connected with the second power supply management circuit; the SPI port of the monitoring processor is connected with the monitoring circuit; a first communication port of the monitoring processor is connected with a function processor of the function processing circuit through a first internal communication bus; the second communication port of the monitoring processor is connected with the function processor of the function processing circuit through a second internal communication bus.

In the above scheme, the function processing circuit and the function circuit form an independent function module, and the monitoring processing circuit and the monitoring circuit form an independent monitoring module.

Compared with the prior art, the utility model provides an independent third party monitoring system based on dual processor adopts system level BIT based on dual processor to commercial rocket distribution and ignition chronogenesis key state to avoid the impaired and the unable inherent defect that detects of marginal fault of real-time based on the device level BIT of single processor. In addition, by accurately dividing functions of the high-low performance processor, reasonably setting key state monitoring and calibration points of the power distribution and ignition time sequence of the commercial rocket and coordinating the working states of the dual processors by adopting a multi-channel and self-calibration communication technology, the independent third-party monitoring system for the key state of the power distribution and ignition time sequence of the commercial rocket based on the dual processors has the characteristics of strong anti-interference capability, high working reliability and the like, and the accuracy of the self-checking and flight remote measurement data of the commercial rocket is ensured.

Drawings

FIG. 1 is a schematic diagram of a dual processor based independent third party monitoring system.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the following specific examples.

Referring to fig. 1, an independent third party monitoring system based on dual processors is composed of a first power rail, a function processing circuit, a function circuit, a second power rail, a monitoring processing circuit, and a monitoring circuit.

The first power rail supplies power to the functional processing circuit and the functional circuit. The function processing circuit is communicated with the flight control computer through a first external communication bus, a second external communication bus and a third external communication bus, and receives a control command and reports working state data to the flight control computer. The functional circuit realizes the power distribution and related ignition time sequence control of the commercial rocket under the control of the functional processing circuit, and feeds back corresponding power distribution and ignition control results to the functional processing circuit.

The function processing circuit comprises a function processor, a first isolation communication interface circuit, a second isolation communication interface circuit, a third isolation communication interface circuit, a first power supply BIT and a first power supply management circuit. The first communication port of the function processor is connected to the first external communication bus through the first isolated communication interface circuit. The second communication port of the function processor is connected to the second external communication bus through a second isolated communication interface circuit. And a third communication port of the function processor is connected with a third external communication bus through a third isolated communication interface circuit. The BIT control port and the BIT acquisition port of the functional processor are connected with the first power supply rail through the first power supply BIT. The nuclear power supply port, the auxiliary power supply port, the first peripheral power supply port, the second peripheral power supply port and the third peripheral power supply port of the function processor are connected with the first power supply rail through the first power supply management circuit. The first power supply BIT is connected with the first power supply management circuit. And the power distribution control port, the power distribution acquisition port, the ignition control port and the ignition acquisition port of the functional processor are connected with the functional circuit. And the fourth communication port of the function processor is connected with the monitoring processor of the monitoring processing circuit through the first internal communication bus. And a fifth communication port of the function processor is connected with the monitoring processor of the monitoring processing circuit through a second internal communication bus.

The second power rail supplies power to the monitoring processing circuit and the monitoring circuit. The monitoring processing circuit is communicated with the telemetering center through a fourth external communication bus and a fifth external communication bus, and is used for receiving telemetering commands and reporting monitoring data to the telemetering center. The monitoring circuit utilizes the first state acquisition bus to acquire the core working state of the functional processing circuit under the control of the monitoring processing circuit, utilizes the second state acquisition bus to acquire the core working state of the functional circuit, and feeds back a corresponding acquisition result to the monitoring processing circuit. The first power rail is directly connected to the functional circuit.

The monitoring processing circuit comprises a monitoring processor, a fourth isolation communication interface circuit, a fifth isolation communication interface circuit, a second power supply BIT and a second power supply management circuit. And a fourth communication port of the monitoring processor is connected with a fourth external communication bus through a fourth isolation communication interface circuit. And a fifth communication port of the monitoring processor is connected with a fifth external communication bus through a fifth isolated communication interface circuit. And the BIT control port and the BIT acquisition port of the monitoring processor are connected with a second power supply rail through a second power supply BIT. The nuclear power port and the auxiliary power port of the monitoring processor are connected to a second power rail through a second power management circuit. The second power supply BIT is connected with the second power supply management circuit. And the SPI port of the monitoring processor is connected with the monitoring circuit. The first communication port of the monitoring processor is connected with the function processor of the function processing circuit through a first internal communication bus. The second communication port of the monitoring processor is connected with the function processor of the function processing circuit through a second internal communication bus.

The first power rail is directly connected to the functional circuit and the second power rail is directly connected to the monitoring circuit. The function processor and the monitoring processor realize mutual calibration of the function processing circuit and the monitoring processing circuit through the first internal communication bus and the second internal communication bus. The monitoring circuit is connected with the function processor of the function processing circuit through a first state acquisition bus, and the monitoring circuit is connected with the function circuit through a second state acquisition bus. The function processing circuit and the function circuit form an independent function module, and the function module is used for meeting the flight task of the commercial rocket. The monitoring processing circuit and the monitoring circuit form an independent monitoring module, and the monitoring module has the function of meeting the requirements of commercial rocket self-inspection and flight remote measurement. The functional module and the monitoring module are assembled in a shell together to form an independent third-party monitoring system.

The remote measuring center sends down the power distribution control information of the functional circuit through the flight control computer according to the reported data of the monitoring circuit, and completes the power distribution operation; and the remote measuring center and the flight control computer respectively issue ignition control information of the functional circuit according to the monitoring data reported by the functional processor and the monitoring processor to complete the ignition operation. The monitoring processor communicates with the function processor through the first internal communication bus and the second internal communication bus, so that the communication process does not influence the work of the function circuit. The function processor and the monitoring processor are both provided with a device level BIT according to the processor capacity and a BIT self-checking function. And the function processor and the monitoring processor realize mutual calibration of system-level BIT by utilizing an advanced health state management algorithm through the first internal communication bus and the second internal communication bus according to the BIT self-calibration result. The function processor and the monitoring processor are provided with functions of power failure key data storage and breakpoint recovery after abnormal reset. After system level failure of any device level BIT subsystem occurs, the system level BIT can be subjected to awakening, stimulation resetting and other means from the system level BIT level, and when the reliability design means of the device level BIT subsystem fails, the system reliability design means is additionally added, so that the reliability of power distribution and ignition time sequence data monitoring of the commercial rocket is fundamentally improved.

It should be noted that, although the above-mentioned embodiments of the present invention are illustrative, the present invention is not limited thereto, and therefore, the present invention is not limited to the above-mentioned embodiments. Other embodiments, which can be made by those skilled in the art in light of the teachings of the present invention, are considered to be within the scope of the present invention without departing from the principles thereof.

Claims (4)

1. The independent third-party monitoring system based on the dual processors is characterized by consisting of a first power supply rail, a function processing circuit, a function circuit, a second power supply rail, a monitoring processing circuit and a monitoring circuit;

the first power rail supplies power to the functional processing circuit and the functional circuit;

the function processing circuit is communicated with the flight control computer through a first external communication bus, a second external communication bus and a third external communication bus, receives a control command and reports working state data to the flight control computer;

the functional circuit realizes the power distribution and related ignition time sequence control of the commercial rocket under the control of the functional processing circuit, and feeds back corresponding power distribution and ignition control results to the functional processing circuit;

the second power rail supplies power to the monitoring processing circuit and the monitoring circuit;

the monitoring processing circuit is communicated with the telemetering center through a fourth external communication bus and a fifth external communication bus, and is used for receiving telemetering commands and reporting monitoring data to the telemetering center;

the monitoring circuit acquires the core working state of the functional processing circuit by using the first state acquisition bus under the control of the monitoring processing circuit, acquires the core working state of the functional circuit by using the second state acquisition bus, and feeds back a corresponding acquisition result to the monitoring processing circuit;

the function processing circuit is internally provided with a function processor, the monitoring processing circuit is internally provided with a monitoring processor, and the function processor and the monitoring processor are mutually calibrated through a first internal communication bus and a second internal communication bus.

2. The dual-processor based independent third party monitoring system of claim 1, wherein the functional processing circuitry comprises a functional processor, a first isolated communication interface circuit, a second isolated communication interface circuit, a third isolated communication interface circuit, a first power BIT, and a first power management circuit; a first communication port of the function processor is connected with a first external communication bus through a first isolation communication interface circuit; the second communication port of the function processor is connected with a second external communication bus through a second isolation communication interface circuit; a third communication port of the function processor is connected with a third external communication bus through a third isolated communication interface circuit; the BIT control port and the BIT acquisition port of the functional processor are connected with a first power supply rail through a first power supply BIT; the nuclear power supply port, the auxiliary power supply port, the first peripheral power supply port, the second peripheral power supply port and the third peripheral power supply port of the functional processor are connected with a first power supply rail through a first power supply management circuit; the first power supply BIT is connected with the first power supply management circuit; the power distribution control port, the power distribution acquisition port, the ignition control port and the ignition acquisition port of the functional processor are connected with the functional circuit; the fourth communication port of the function processor is connected with the monitoring processor of the monitoring processing circuit through a first internal communication bus; and a fifth communication port of the function processor is connected with the monitoring processor of the monitoring processing circuit through a second internal communication bus.

3. The dual-processor based independent third party monitoring system of claim 1, wherein the monitoring processing circuitry comprises a monitoring processor, a fourth isolated communication interface circuit, a fifth isolated communication interface circuit, a second power BIT, and a second power management circuit; a fourth communication port of the monitoring processor is connected with a fourth external communication bus through a fourth isolation communication interface circuit; a fifth communication port of the monitoring processor is connected with a fifth external communication bus through a fifth isolated communication interface circuit; the BIT control port and the BIT acquisition port of the monitoring processor are connected with a second power supply rail through a second power supply BIT; the nuclear power supply port and the auxiliary power supply port of the monitoring processor are connected with a second power supply rail through a second power supply management circuit; the second power supply BIT is connected with the second power supply management circuit; the SPI port of the monitoring processor is connected with the monitoring circuit; a first communication port of the monitoring processor is connected with a function processor of the function processing circuit through a first internal communication bus; the second communication port of the monitoring processor is connected with the function processor of the function processing circuit through a second internal communication bus.

4. The dual-processor based independent third party monitoring system of claim 1, wherein the functional processing circuitry and the functional circuitry form independent functional modules and the monitoring processing circuitry and the monitoring circuitry form independent monitoring modules.

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