CN110519898A - The light source control module and light source control method of star simulator - Google Patents
The light source control module and light source control method of star simulator Download PDFInfo
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- CN110519898A CN110519898A CN201910832500.4A CN201910832500A CN110519898A CN 110519898 A CN110519898 A CN 110519898A CN 201910832500 A CN201910832500 A CN 201910832500A CN 110519898 A CN110519898 A CN 110519898A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 34
- 238000004891 communication Methods 0.000 claims description 22
- 238000003466 welding Methods 0.000 claims description 7
- 238000013459 approach Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 7
- 230000010354 integration Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- PLXMOAALOJOTIY-FPTXNFDTSA-N Aesculin Natural products OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](O)[C@H]1Oc2cc3C=CC(=O)Oc3cc2O PLXMOAALOJOTIY-FPTXNFDTSA-N 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 238000000926 separation method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The present invention is applicable in space flight terrestrial optical the field of test technology, provide the light source control module and light source control method of a kind of star simulator, the module includes light source installation module, constant-current source drive module, pulse width modulation module, the light source installs module, the constant-current source drive module, the pulse width modulation module is sequentially connected electrically, the light source installation module includes the light source mounting circuit boards of mountable multiple arbitrary sources, the pulsewidth modulation square wave that the pulse modulation module output controls each light source is transferred to the drive module, to be independently controlled to the multiple light sources being mounted in the light source installation module.
Description
Technical field
The invention belongs to space flight terrestrial optical the field of test technology more particularly to a kind of light source control modules of star simulator
And light source control method.
Background technique
With the raising that the precision and test item of aerospace navigation positioning require, the simulation asterism star of previous star simulator
Deng and the function of relevant parameter gradually can not meet the test of the more accurate detection performance of space flight star sensor.
The light source of traditional star simulator when changing star point brightness, is changed under brightness unanimous circumstances to all asterisms
Several gears, can not change the brightness value of different location asterism, also be unable to reach the true magnitude and color temperature value of simulation asterism
Required large-scale brightness regulation range.Therefore, instantly in simulator field currently without more stars can be met simultaneously
The light source control technology of position, more stars etc. and the static star simulator of spectral type.
Summary of the invention
The purpose of the present invention is to provide a kind of light source control module of star simulator and light source control methods, it is intended to solve
The technical issues of brightness value of different location asterism can not be changed in the prior art.
In a first aspect, the present invention provides a kind of light source control modules of star simulator, comprising: light source installs module, perseverance
Stream source drive module, pulse width modulation module, the light source install module, the constant-current source drive module, the pulsewidth modulation mould
Block is sequentially connected electrically, and the light source installation module includes the light source mounting circuit boards of mountable multiple arbitrary sources；
The pulsewidth modulation square wave that the pulse modulation module output controls each light source is transferred to the drive module,
To be independently controlled to the multiple light sources being mounted in the light source installation module.
Preferably, the light source mounting circuit boards include power supply mounting portion, and the light source power mounting portion is more for installing
Color light source.
Preferably, the light source power mounting portion installs multiple patch type polychromatic sources by welding form.
Preferably, the light source installation module further includes light source drive installation seat, light source drive connection line, and the light source drives
Dynamic mounting base be electrically connected with the constant-current source drive module, the light source drive installation seat by light source drive connection line and
The light source mounting circuit boards electrical connection.
Preferably, the constant-current source drive module includes constant current source driving circuit mould group, the constant current source driving circuit mould
Pressure-stabilizing constant flow and switching circuit integrated approach of the group for that will provide multichannel for each single polychromatic source are defeated at a light source
Module out.
Preferably, the constant-current source drive module includes constant current source driving circuit mould group, the constant current source driving circuit mould
Pressure-stabilizing constant flow and switching circuit integrated approach of the group for that will provide multichannel for each single polychromatic source are defeated at a light source
Module out.
Preferably, the pulse width modulation module includes main control chip circuit module, telecommunication circuit mould group, the main control chip
Circuit module and the telecommunication circuit mould group communication connection, the telecommunication circuit mould group are used to receive external signal of communication and refer to
It enables, the signal of communication vector modulation that the main control chip circuit module is used to be transmitted according to the telecommunication circuit mould group generates corresponding
Impulse modulation square wave, to control each light source.
Preferably, the constant-current source drive module and the pulse width modulation module pass through connector male head, connector female end
Between be cooperatively connected and be electrically connected.
Preferably, light source installation module, constant-current source drive module, use upper and lower lamination knot between pulse width modulation module
Structure.
Second aspect, the present invention provides a kind of light source control methods of star simulator, comprising:
Pulse width modulation module receives the signal of communication instruction that upper computer software is sent by telecommunication circuit mould group, and is sent to
Main control chip circuit module；
The signal of communication vector modulation is generated corresponding impulse modulation square wave by the main control chip circuit module；
According to the impulse modulation square wave, drive module generates corresponding driving signal, installs module to light source is mounted on
On multiple light sources be independently controlled.
The light source control module of star simulator shown in the present invention receive external equipment send signal of communication instruction after,
Pulsewidth modulation square wave is generated by pulse width modulation module and sends constant-current source drive module to, and each light source is individually controlled with generating
Driving signal, the luminance of each light source is driven, to realize the independent control of different location star point brightness in star simulator.
Detailed description of the invention
Fig. 1 is the light source control module X of the star simulator shown in the embodiment of the present invention one just facing towards structural schematic diagram；
Fig. 2 is the back side of the light source control module X of the star simulator shown in the embodiment of the present invention one towards structural schematic diagram；
Fig. 3 is constant-current source drive module 101 in the light source control module X of the star simulator shown in the embodiment of the present invention one
The back side is towards structural schematic diagram；
Fig. 4 is the structural block diagram of the light source control module X of the star simulator shown in the embodiment of the present invention one；
Fig. 5 is the implementation flow chart of the light source control method of the star simulator shown in the embodiment of the present invention two.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Specific implementation of the invention is described in detail below in conjunction with specific embodiment:
Embodiment one:
Fig. 1-4 shows the light source control module X of star simulator provided in this embodiment.As shown in Fig. 1, the present embodiment mentions
The light source control module X of the star simulator of confession includes light source installation module 100, constant-current source drive module 101, pulse width modulation module
102, the light source installation module 100, the drive module 101, the pulse width modulation module 102 are sequentially connected electrically, the light
Source is installed by the light source mounting circuit boards 1 that module 100 includes mountable multiple arbitrary sources；
The pulse modulation module 102 exports the pulsewidth modulation square wave controlled each light source and is transferred to the constant-current source
Drive module 101, to be independently controlled to the multiple light sources being mounted in the light source mounting circuit boards 1.
Thus signal of communication instruction can be sent by external equipment, receive what external equipment was sent in light source control module X
After signal of communication instruction, pulsewidth modulation square wave is generated by pulse width modulation module 102 and sends constant-current source drive module 101 to, with
The driving signal individually controlled each light source is generated, the luminance of each light source is driven, to realize different in star simulator
The independent control of position star point brightness.
Light source installation module 100 further includes light source drive installation seat 3, light source drive connection line 2, the light source driving installation
Seat 3 be electrically connected with the constant-current source drive module 101, the light source drive installation seat 3 by light source drive connection line 2 and
The light source mounting circuit boards 1 are electrically connected.
Specifically, the light source mounting circuit boards 1 include power supply mounting portion, the light source power mounting portion is more for installing
Color light source.For example, light source power mounting portion can install multiple patch type polychromatic sources by welding form, it can also be by button-shaped
Or adhesive type fills multiple patch type polychromatic sources.
Optionally, light source installation module 100 can install module for detachable light source.Light source installs the light in module 100
Mounting circuit boards 1 surface in source has the pad of patch type, can will be small by way of chip mounter or the welding of manual electric iron
The pin of the patch type polychromatic source of type, which is welded on pad, to be fixedly connected, and can be fixed according to the size of paster light source as needed
System, meets the welding installation requirements of different patch type light sources, meanwhile, the back side of light source mounting circuit boards 1 can also pass through welding
It is directly connected to light source and is drivingly connected line 2, every branch of light source all needs two connecting lines of connection drawing the light source branch just
The connecting line other end of cathode, extraction is connected on the male connector connector of light source drive installation seat 3 by pressure line terminal, then grafting
Connection is realized on to the base of light source drive installation seat 3.
Due to the mode of detachable light source installation, light source, the hair with constant current source driving circuit mould group can be conveniently replaceable
Hot-zone isolation, while the freedom degree of light source active can be improved.
Light source mounting circuit boards 1 are to be designed according to the size dimension of light source used, while supporting to place polychrome multiple-channel output
Light source, light source can be installed while meeting light source installation and be drivingly connected one of line 2, which can will be vulnerable to temperature
Light source influence, such as LED type is kept apart with the driving circuit that can generate heat, meanwhile, soft light source, which drives, to be connected
Wiring 2 cooperate light source mounting circuit boards 1 can multiple freedom degrees in three-dimensional space it is mobile, different light sources can be adapted to
The demand of output port structural member space layout.
The base of light source drive installation seat 3 is fixed on constant-current source drive module 101 by direct insertion welding manner and corresponds to
Hole location on, positioned at the center of the modular constant current source driving circuit mould group 4 of light source output, driven in the constant-current source of high integration
On the circuit board of module 101, constant current source driving circuit mould group 4 can possess multiple identical light source output modules, can also connect
Connect multiple detachable light source installation modules 100, the light source of output multi-channel.Positioned at 101 circuit backboard of constant-current source drive module
The connector female end (5) in face is correspondingly connected with the positive connector male head 8 of 102 circuit board of pulse width modulation module is located at, and is built with this
Found the access of control signal input.
Optionally, constant-current source drive module 101 is a kind of side of drive module in the light source control module of star simulator
Formula can also can also be other types of drive module with drive of constant voltage source module.
Constant-current source drive module is exported using pressure-stabilizing constant flow, after the proportion by changing feed circuit resistance, can satisfy
The stable voltage and current output of various light sources, while the layout format of high integration pole is used, combine space layout, electricity
The factor of road output accuracy and fuel factor, it is ensured that the optimization of overall performance.Also, the pressure stabilizing in constant-current source drive module
Value and constant current value can be modified by changing the resistance value ratio of periphery feedback circuit, can satisfy the design input of different light sources
Value, effectively more improves the flexibility of light source control module, while the design and high integration of constant-current source driving
Layout type ensure that output accuracy height, and stability is high.
Constant-current source drive module 101 includes constant current source driving circuit mould group 4, and constant current source driving circuit mould group 4 uses module
The design of change.The constant current source driving circuit mould group 4 be used for will be provided for each single polychromatic source multichannel pressure-stabilizing constant flow and
Switching circuit integrated approach is at a light source output module.
The pressure-stabilizing constant flow that multichannel input can be provided for the single individually controllable light source of polychrome multichannel and switching circuit are integrated
After change is processed into a light source output module, then by the light source output modules of multiple high integration using totally 4 layers of front and back sides PCB
Layout, and constant-current source drive module is formed together with connector female end 5 (or connector male head), wherein the female of connector is located at
The center of module, high-precision light source output module is respectively arranged the surrounding in connector female end, using connector female end as medium,
Each high-precision light source output module is kept apart, the high integration of entire constant-current source drive module is maintained.
Pulse width modulation module 102 includes main control chip circuit module 7, telecommunication circuit mould group 6, the main control chip circuit mould
Group 7 and 6 communication connection of telecommunication circuit mould group, the telecommunication circuit mould group 6 are used to receive external signal of communication instruction, institute
Signal of communication vector modulation of the main control chip circuit module 7 for transmitting according to the telecommunication circuit mould group 6 is stated to generate accordingly
Impulse modulation square wave, to control each light source.
Optionally, the constant-current source drive module and the pulse width modulation module 102 are female by connector male head, connector
It is cooperatively connected and is electrically connected between head.
Main control chip circuit module 7 is calculated according to the number of required multichannel light source and is controlled using the design of minimum system
The output number of square wave and the adjusting range of required light source build high collection around it to select suitable singlechip chip
The minimum system of Cheng Du, while pulse width modulation module is collectively formed with telecommunication circuit mould group 6 and connector male head 8, the module
It can be communicated with host computer, the switching circuit in On-line Control constant-current source drive module, while by reasonably configuring, Ke Yirang
The module realizes the output of the pulsewidth modulation square wave of high frequency and more ratio duty ratios, realizes the accurate and wide scope of control signal
Control.The control that such switch control mode matches the light source power for closing pressure-stabilizing constant flow can make the stability of light source high, and
And due to the separation design that light source is isolated with constant current source control circuit hot zone, so that light-source brightness is influenced by temperature significantly
It reduces, stability is further promoted.
The spectrum of asterism is synthesized by the color of multiple spectral coverages by ratio, and the color of used polychrome multichannel light source is all single
It is solely controllable, it is driven with the constant-current source for closing multichannel and the circuit of pulse width modulation module inputs, each face of asterism light source can be made
The ratio of the illuminance of color ingredient is adjusted according to the ratio of spectrum simulation design input, to change the spectrum of magnitude light source.
Optionally, the front of pulse width modulation module 102 can drive mould group 101 connect with constant-current source, while the back side can be with
The structure of connection communication and feed cable, can be very good to be installed on and adapts in star simulator tubular construction, preferably increase
The suitability of light source control module and star simulator is added.
Optionally, light source installation module 100, constant-current source drive module 101, use between pulse width modulation module 102
Upper and lower laminated construction, front can connect detachable light source installation module, and the back side can connect control module pulsewidth modulation
Module, while the individually controllable modularized design of single module is used, it ensure that every branch of each light source individually may be used
Control and in the case where minimizing volume, ensure that the precision and stability of output.
Communication protocol is made by telecommunication circuit mould group 6 and PC control software, while interface can be with computer
Control interface is connected by communication cable, and the bottom of burning in upper computer software and main control chip circuit module 7 is established with this
Specified control action, output frequency and the adjustable pulsewidth modulation square wave of duty ratio are completed in the communication of machine program.
Embodiment two:
Attached drawing 5 is the implementation flow chart of the light source control method of the star simulator shown in embodiment two.Embodiment two is shown
The light source control method of star simulator be suitable for the light source control module of star simulator, setting processing in light source control module
Device, to control light source luminescent state in star simulator.For ease of description, portion relevant to the embodiment of the present invention is illustrated only
Point, details are as follows:
Step S110, pulse width modulation module receive the signal of communication that upper computer software is sent by telecommunication circuit mould group and refer to
It enables, and is sent to main control chip circuit module.
The signal of communication vector modulation is generated corresponding impulse modulation by step S120, the main control chip circuit module
Square wave.
Step S130, according to the impulse modulation square wave, drive module generates corresponding driving signal, to being mounted on light source
Multiple light sources in installation module are independently controlled.
The mode that light source control module specifically controls light source has been described in example 1, no longer superfluous herein
It states.
Entire light source control module realizes the function of on-line tuning light source output, when reception PC control signal instruction
It is real from the light source macroscopically observed when the frequency of the pulsewidth modulation square wave exported afterwards is much higher than the frequency acquisition for acquiring sensor
Border is the state being always on, and when the duty ratio of square wave is higher, light source is brighter；When duty ratio is lower, light source is darker.
It should be noted that external equipment can be enabled users to easily with smart machines such as mobile phone, computers to star simulator
Each light source is independently controlled, and is effectively realized the brightness value for changing different location asterism in star simulator, is substantially increased pair
The precision and flexibility of light source control in star simulator.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of light source control module of star simulator, which is characterized in that the module includes: light source installation module, constant-current source
Drive module, pulse width modulation module, light source installation module, the constant-current source drive module, the pulse width modulation module according to
Secondary electrical connection, the light source installation module include the light source mounting circuit boards of mountable multiple arbitrary sources；
The pulsewidth modulation square wave that the pulse modulation module output controls each light source is transferred to the drive module, with right
The multiple light sources being mounted in the light source installation module are independently controlled.
2. module as described in claim 1, which is characterized in that the light source mounting circuit boards include power supply mounting portion, described
Light source power mounting portion is for installing polychromatic source.
3. module as claimed in claim 2, which is characterized in that the light source power mounting portion is installed multiple by welding form
Patch type polychromatic source.
4. module as described in claim 1, which is characterized in that light source installation module further include light source drive installation seat,
Light source is drivingly connected line, and the light source drive installation seat is electrically connected with the constant-current source drive module, the light source driving installation
Seat is drivingly connected line by the light source and is electrically connected with the light source mounting circuit boards.
5. module as described in claim 1, which is characterized in that the constant-current source drive module includes constant current source driving circuit mould
Group, the constant current source driving circuit mould group will be for that will provide the pressure-stabilizing constant flow and switching circuit of multichannel for each single polychromatic source
Integrated approach is at a light source output module.
6. module as described in claim 1, which is characterized in that the constant-current source drive module includes constant current source driving circuit mould
Group, the constant current source driving circuit mould group will be for that will provide the pressure-stabilizing constant flow and switching circuit of multichannel for each single polychromatic source
Integrated approach is at a light source output module.
7. module as described in claim 1, which is characterized in that the pulse width modulation module include main control chip circuit module,
Telecommunication circuit mould group, the main control chip circuit module and the telecommunication circuit mould group communication connection, the telecommunication circuit mould group
For receiving external signal of communication instruction, what the main control chip circuit module was used to be transmitted according to the telecommunication circuit mould group
Signal of communication vector modulation generates corresponding impulse modulation square wave, to control each light source.
8. module as described in claim 1, which is characterized in that the constant-current source drive module and the pulse width modulation module are logical
It crosses between connector male head, connector female end and is cooperatively connected and is electrically connected.
9. module as described in claim 1, which is characterized in that the light source installs module, constant-current source drive module, pulsewidth tune
Upper and lower laminated construction is used between molding block.
10. a kind of light source control method of star simulator, which is characterized in that the described method includes:
Pulse width modulation module receives the signal of communication instruction that upper computer software is sent by telecommunication circuit mould group, and is sent to master control
Chip circuit mould group；
The signal of communication vector modulation is generated corresponding impulse modulation square wave by the main control chip circuit module；
According to the impulse modulation square wave, drive module generates corresponding driving signal, installs in module to light source is mounted on
Multiple light sources are independently controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910832500.4A CN110519898A (en) | 2019-09-04 | 2019-09-04 | The light source control module and light source control method of star simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910832500.4A CN110519898A (en) | 2019-09-04 | 2019-09-04 | The light source control module and light source control method of star simulator |
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| CN110519898A true CN110519898A (en) | 2019-11-29 |
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| CN201910832500.4A Pending CN110519898A (en) | 2019-09-04 | 2019-09-04 | The light source control module and light source control method of star simulator |
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