CN115373321A - Multi-path star simulator calibrating device - Google Patents
Multi-path star simulator calibrating device Download PDFInfo
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- CN115373321A CN115373321A CN202211119186.3A CN202211119186A CN115373321A CN 115373321 A CN115373321 A CN 115373321A CN 202211119186 A CN202211119186 A CN 202211119186A CN 115373321 A CN115373321 A CN 115373321A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
Abstract
The application provides a multichannel star simulator calibrating installation relates to star simulator illuminance test technical field, includes: the device comprises a multi-relay switcher, a digital-to-analog converter, a controller, an upper computer, a plurality of satellite-to-analog adapters and a plurality of photomultipliers. The star model adapters are connected with the photomultipliers in a one-to-one correspondence mode; each input end of the multi-path relay switcher is connected with each photomultiplier, and the output end of the multi-path relay switcher is connected with the digital-to-analog converter; the controller is respectively connected with the digital-to-analog converter and the upper computer. The multichannel star simulator calibrating installation in this application, the host computer can control the multichannel relay switch and gate the photomultiplier to the realization is measured in proper order to the simulation starlight signal of whole star simulators of access.
Description
Technical Field
The application relates to the technical field of illuminance testing of star simulators, in particular to a multi-path star simulator calibrating device.
Background
The star simulator simulates weak light of a fixed star through an artificial light source, and is a main device for testing and calibrating star light navigation equipment. In order to ensure that the star simulator accurately simulates the illuminance of a fixed star, the star simulator needs to be periodically calibrated, and a micro-illuminometer is mainly used for calibrating the illuminance index in the prior art. However, the existing micro illuminometers only have 1 channel, and usually a plurality of star simulators need to be simultaneously metrologically calibrated during actual detection, and the micro illuminometers in the prior art cannot meet the condition that a plurality of star simulators are simultaneously metrologically calibrated.
Disclosure of Invention
For at least overcoming the problem that little photometer can't satisfy a plurality of star simulators and carry out metrological examination simultaneously in the correlation technique to a certain extent, this application provides a multichannel star simulator calibrating device.
The scheme of the application is as follows:
a multi-way star simulator calibration device, comprising:
the device comprises a multi-path relay switcher, a digital-to-analog converter, a controller, an upper computer, a plurality of satellite-to-analog adapters and a plurality of photomultipliers;
the star model adapters are connected with the photomultipliers in a one-to-one correspondence manner;
the input ends of the multiple paths of relay switchers are connected with the photomultipliers, and the output ends of the multiple paths of relay switchers are connected with the digital-to-analog converter;
the controller is respectively connected with the digital-to-analog converter and the upper computer;
the controller is used for conducting the corresponding input end of the multi-path relay switcher according to the instruction issued by the upper computer;
the star model adapter is used for accessing a simulated star light signal of the star simulator and transmitting the simulated star light signal to the photomultiplier;
the photomultiplier is used for amplifying the analog starlight signal into an analog electric signal and transmitting the analog electric signal to the multi-path relay switcher;
the multi-path relay switcher is used for transmitting the analog electric signals input by the input end in a conducting state to the digital-to-analog converter;
the digital-to-analog converter is used for converting the analog electric signal into a digital electric signal, and transmitting the digital electric signal to the upper computer after passing through the controller;
and the upper computer is used for decoding and displaying the digital electric signal.
Preferably, the apparatus further comprises:
a conversion resistor;
the output end of the multi-path relay switcher is connected with the digital-to-analog converter through the conversion resistor;
the photomultiplier is specifically used for amplifying the analog starlight signal into an analog current signal;
the conversion resistor is used for converting the analog current signal into an analog voltage signal.
Preferably, the apparatus further comprises:
a serial port circuit;
the controller is connected with the upper computer through the serial port circuit.
Preferably, the apparatus further comprises:
a power supply;
the power supply is respectively connected with the digital-to-analog converter, the controller and each photomultiplier and is used for providing working power supply for the digital-to-analog converter, the controller and each photomultiplier.
Preferably, the photomultiplier includes: photomultiplier tubes and transformers;
the transformer is respectively connected with the photomultiplier and the power supply and is used for boosting the power supply voltage provided by the power supply.
Preferably, the star module adaptor comprises: the multilayer pipelines sleeved together in sequence can slide relatively between the pipelines of each layer, and the inner diameters of the pipelines of each layer are different.
Preferably, the inner ring of the star die adapter is coated with a shading material.
Preferably, a filter circuit is configured in the digital-to-analog converter;
the filter circuit is used for filtering the analog electric signal.
Preferably, the upper computer includes: a human-computer interaction module;
the human-computer interaction module is used for issuing instructions to the controller and displaying the decoded digital electric signals.
Preferably, the host computer further includes: the device comprises a calibration module, a recording module and a report generating module;
the calibration module is respectively connected with the controller and the human-computer interaction module and is used for calibrating the digital electric signals transmitted to the upper computer by the controller;
the recording module is used for recording the digital electric signals and the satellite simulator corresponding to the digital electric signals;
the report generation module is used for generating a verification report according to the recording content of the recording module.
The technical scheme provided by the application can comprise the following beneficial effects: the utility model provides a multichannel star simulator calibrating installation includes: the device comprises a multi-relay switcher, a digital-to-analog converter, a controller, an upper computer, a plurality of satellite-to-analog adapters and a plurality of photomultipliers. The star model adapters are connected with the photomultipliers in a one-to-one correspondence mode; each input end of the multi-path relay switcher is connected with each photomultiplier, and the output end of the multi-path relay switcher is connected with the digital-to-analog converter; the controller is respectively connected with the digital-to-analog converter and the upper computer. When the multi-path relay switcher is implemented, the controller conducts the corresponding input end of the multi-path relay switcher according to an instruction issued by the upper computer; the star module adapter is connected to the analog star light signal of the star simulator and transmits the analog star light signal to the photomultiplier; the photomultiplier amplifies the analog starlight signal into an analog electric signal and transmits the analog electric signal to the multi-path relay switcher; the multi-path relay switcher transmits the analog electric signals input by the input end in a conducting state to the digital-to-analog converter; the digital-to-analog converter converts the analog electric signal into a digital electric signal, and the digital electric signal is transmitted to the upper computer after passing through the controller; the upper computer decodes and displays the digital electric signal. The multichannel star simulator calibrating installation in this application, the host computer can control the multichannel relay switch and gate the photomultiplier to the realization is measured in proper order to the simulation starlight signal of whole star simulators of access.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Fig. 1 is a schematic structural diagram of a multipath star simulator calibration apparatus according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a multi-way star simulator calibration apparatus according to another embodiment of the present application;
FIG. 3 is a schematic structural diagram of a star module adaptor according to an embodiment of the present application;
fig. 4 is a schematic block diagram of an upper computer according to an embodiment of the present application.
Reference numerals: a multi-relay switcher-1; a digital-to-analog converter-2; a controller-3; an upper computer-4; a human-computer interaction module-41; a calibration module-42; a recording module-43; report generating module-44; star module adapter-5; a photomultiplier-6; a conversion resistor-7; a serial port circuit-8; a power supply-9; light-shielding material-10.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
Fig. 1 is a schematic structural diagram of a multipath star simulator calibrating apparatus according to an embodiment of the present invention, and referring to fig. 1, the multipath star simulator calibrating apparatus includes:
the device comprises a multi-way relay switcher 1, a digital-to-analog converter 2, a controller 3, an upper computer 4, a plurality of satellite-to-analog adapters 5 and a plurality of photomultipliers 6;
the star model adapters 5 are connected with the photomultipliers 6 in a one-to-one corresponding manner;
the input ends of the multiple relay switchers 1 are connected with the photomultipliers 6, and the output ends are connected with the digital-to-analog converter 2;
the controller 3 is respectively connected with the digital-to-analog converter 2 and the upper computer 4;
the controller 3 is used for conducting the corresponding input end of the multi-way relay switcher 1 according to the instruction issued by the upper computer 4;
the star model adapter 5 is used for accessing a simulated star light signal of the star simulator and transmitting the simulated star light signal to the photomultiplier 6;
the photomultiplier 6 is used for amplifying the analog starlight signal into an analog electric signal and transmitting the analog electric signal to the multi-way relay switcher 1;
the multi-channel relay switcher 1 is used for transmitting the analog electric signal input by the input end in a conducting state to the digital-to-analog converter 2;
the digital-to-analog converter 2 is used for converting the analog electric signal into a digital electric signal, and transmitting the digital electric signal to the upper computer 4 after passing through the controller 3;
the upper computer 4 is used for decoding and displaying the digital electric signals.
It should be noted that, the controller 3 in this embodiment may be an ARM (Advanced RISC Machines) controller 3, the upper computer 4 may be a computer, and the satellite module adapter 5 and the photomultiplier 6 are conventional components in the prior art, which are not described herein again, and the multi-relay switch 1 has a plurality of input ends and an output end, and the ARM controller 3 may control the on/off of the corresponding input end of the multi-relay switch 1 according to an instruction sent by the upper computer 4.
It can be understood that the multipath star simulator calibrating apparatus in this embodiment includes: the multi-relay switch 1, the digital-to-analog converter 2, the controller 3, the upper computer 4, and a plurality of star-to-analog adapters 5 and a plurality of photomultipliers 6. The star model adapters 5 are connected with the photomultipliers 6 in a one-to-one corresponding mode; the input ends of the multiple relay switchers 1 are connected with the photomultipliers 6, and the output ends are connected with the digital-to-analog converter 2; the controller 3 is respectively connected with the digital-to-analog converter 2 and the upper computer 4. When the multi-way relay switch is implemented, the controller 3 conducts the corresponding input end of the multi-way relay switch 1 according to an instruction issued by the upper computer 4; the star model adapter 5 is connected into the analog star light signal of the star simulator and transmits the analog star light signal to the photomultiplier 6; the photomultiplier 6 amplifies the analog starlight signal into an analog electric signal and transmits the analog electric signal to the multi-way relay switcher 1; the multi-path relay switcher 1 transmits the analog electric signal input by the input end in a conducting state to the digital-to-analog converter 2; the digital-to-analog converter 2 converts the analog electric signal into a digital electric signal, and the digital electric signal is transmitted to the upper computer 4 after passing through the controller 3; the upper computer 4 decodes and displays the digital electric signal. In the calibration device for the multipath star simulator in the embodiment, the upper computer 4 can control the multipath relay switch 1 to gate the photomultiplier 6, so that the simulated star light signals of all the accessed star simulators are sequentially measured.
It should be noted that, referring to fig. 2, the multipath star simulator calibrating apparatus further includes:
a switching resistor 7;
the output end of the multi-path relay switcher 1 is connected with the digital-to-analog converter 2 through a conversion resistor 7;
the photomultiplier 6 is specifically configured to amplify the analog starlight signal into an analog current signal;
the converting resistor 7 is used for converting the analog current signal into an analog voltage signal.
It can be understood that the conversion of current into voltage is the basic function of the resistor itself, and in this embodiment, the analog current signal output by the photomultiplier 6 is converted into an analog voltage signal by providing the conversion resistor 7, which is more convenient for analog-to-digital conversion.
It should be noted that, referring to fig. 2, the multipath star simulator calibrating apparatus further includes:
a serial port circuit 8;
the controller 3 is connected to the upper computer 4 through a serial port circuit 8.
In specific practice, because the upper computer 4 generally supports serial port input, the controller 3 is connected to the upper computer 4 through the serial port circuit 8 by arranging the serial port circuit 8, and the controller 3 can communicate with the upper computer 4 through the serial port circuit 8.
It should be noted that, referring to fig. 2, the multipath star simulator calibrating apparatus further includes:
a power supply 9;
the power supply 9 is connected to the digital-to-analog converter 2, the controller 3 and each photomultiplier 6, and is used for providing working power to the digital-to-analog converter 2, the controller 3 and each photomultiplier 6.
It is understood that the power supply 9 is respectively connected to the digital-to-analog converter 2, the controller 3 and each photomultiplier 6 for supplying operating power to the digital-to-analog converter 2, the controller 3 and each photomultiplier 6.
Further, the photomultiplier 6 includes: photomultiplier tubes and transformers;
the transformer is respectively connected with the photomultiplier and the power supply 9 and is used for boosting the power supply voltage provided by the power supply 9.
It can be understood that, since the power supply voltage output by the power supply 9 is low voltage, and the photomultiplier tube needs high voltage dc power supply, the power supply voltage provided by the power supply 9 is boosted by a transformer to be supplied to the photomultiplier tube in this embodiment.
Referring to fig. 3, the star module adaptor 5 includes: the multilayer pipelines sleeved together in sequence can slide relatively between the pipelines of each layer, and the inner diameters of the pipelines of each layer are different.
Preferably, the pipeline is cylindric, and star mould adapter 5 that multilayer pipeline that the suit was in proper order was put together forms also is cylindric to because can carry out relative slip between each layer pipeline, and each layer pipeline internal diameter is different, make star mould adapter 5 can have a plurality of diameter models, with the star simulator of the different bores of adaptation.
Note that the inner ring of the star die adapter 5 is coated with a light shielding material 10.
In particular practice, the light screening material 10 may be, but is not limited to, a sealing rubber. In this embodiment, the inner ring of the star die adapter 5 is coated with a sealing rubber to prevent light leakage.
It should be noted that the digital-to-analog converter 2 is configured with a filter circuit;
the filter circuit is used for filtering the analog electric signal.
Referring to fig. 4, the upper computer 4 includes: a human-computer interaction module 41;
the human-computer interaction module 41 is configured to issue an instruction to the controller 3, and is further configured to display the decoded digital electrical signal.
Referring to fig. 4, the upper computer 4 further includes: a calibration module 42, a recording module 43, and a report generation module 44;
the calibration module 42 is respectively connected with the controller 3 and the man-machine interaction module 41 and is used for calibrating the digital electric signals transmitted by the controller 3 to the upper computer 4;
the recording module 43 is used for recording the digital electrical signals and the satellite simulator corresponding to the digital electrical signals;
the report generation module 44 is configured to generate a certification report according to the recording content of the recording module 43.
The human-computer interaction module 41 includes a human-computer interaction interface, and the human-computer interaction interface provides function items such as input selection, digital electric signal display, calibration enabling, measurement control, and report generation of the multiplexer/relay switch 1.
In particular practice, the recording module 43 implements long-time monitoring and record storage of the data of each channel of the multiplexer-relay switch 1. The report generation module 44 is configured to perform calculation according to the recording content of the recording module 43 to generate a certification report.
In a specific practice, the upper computer 4 may also poll the respective inputs of the multiplexer switcher 1 in sequence according to the setting.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar contents in other embodiments may be referred to for the contents which are not described in detail in some embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present application, the meaning of "a plurality" means at least two unless otherwise specified.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following technologies, which are well known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. A multipath star simulator calibration device is characterized by comprising:
the device comprises a multi-path relay switcher, a digital-to-analog converter, a controller, an upper computer, a plurality of satellite-to-analog adapters and a plurality of photomultipliers;
the star model adapters are connected with the photomultipliers in a one-to-one corresponding mode;
the input ends of all paths of the multi-path relay switcher are connected with the photomultipliers, and the output ends of the multi-path relay switcher are connected with the digital-to-analog converter;
the controller is respectively connected with the digital-to-analog converter and the upper computer;
the controller is used for conducting the corresponding input end of the multi-path relay switcher according to the instruction issued by the upper computer;
the star model adapter is used for accessing a simulated star light signal of the star simulator and transmitting the simulated star light signal to the photomultiplier;
the photomultiplier is used for amplifying the analog starlight signal into an analog electric signal and transmitting the analog electric signal to the multi-path relay switcher;
the multi-path relay switcher is used for transmitting the analog electric signals input by the input end in a conducting state to the digital-to-analog converter;
the digital-to-analog converter is used for converting the analog electric signal into a digital electric signal, and transmitting the digital electric signal to the upper computer after passing through the controller;
and the upper computer is used for decoding and displaying the digital electric signal.
2. The multi-way star simulator calibration device according to claim 1, further comprising:
a conversion resistor;
the output end of the multi-path relay switcher is connected with the digital-to-analog converter through the conversion resistor;
the photomultiplier is specifically used for amplifying the analog starlight signal into an analog current signal;
the conversion resistor is used for converting the analog current signal into an analog voltage signal.
3. The multi-way star simulator calibration device according to claim 1, further comprising:
a serial port circuit;
the controller is connected with the upper computer through the serial port circuit.
4. The multi-way star simulator calibration device according to claim 1, further comprising:
a power supply;
the power supply is respectively connected with the digital-to-analog converter, the controller and each photomultiplier and is used for providing working power supply for the digital-to-analog converter, the controller and each photomultiplier.
5. The multi-way star simulator calibration device according to claim 4, wherein the photomultiplier comprises: photomultiplier tubes and transformers;
the transformer is respectively connected with the photomultiplier and the power supply and is used for boosting the power supply voltage provided by the power supply.
6. The multi-way star simulator certification device according to claim 1, wherein the star model adaptor comprises: the multilayer pipelines sleeved together in sequence can slide relatively between the pipelines of each layer, and the inner diameters of the pipelines of each layer are different.
7. The multi-way star simulator calibration device according to claim 1, wherein the inner ring of the star module adapter is coated with a light shielding material.
8. The multi-path star simulator calibrating device according to claim 1, wherein a filter circuit is configured in the digital-to-analog converter;
the filter circuit is used for filtering the analog electric signal.
9. The multi-path star simulator calibrating device according to claim 1, wherein the upper computer comprises: a human-computer interaction module;
the human-computer interaction module is used for issuing instructions to the controller and displaying the decoded digital electric signals.
10. The multi-path star simulator calibrating device according to claim 9, wherein the upper computer further comprises: the device comprises a calibration module, a recording module and a report generating module;
the calibration module is respectively connected with the controller and the human-computer interaction module and is used for calibrating the digital electric signals transmitted to the upper computer by the controller;
the recording module is used for recording the digital electric signals and the satellite simulator corresponding to the digital electric signals;
the report generation module is used for generating a verification report according to the recording content of the recording module.
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