CN109089095A - A kind of laser projection device progress control method - Google Patents
A kind of laser projection device progress control method Download PDFInfo
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- CN109089095A CN109089095A CN201811228501.XA CN201811228501A CN109089095A CN 109089095 A CN109089095 A CN 109089095A CN 201811228501 A CN201811228501 A CN 201811228501A CN 109089095 A CN109089095 A CN 109089095A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3191—Testing thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3191—Testing thereof
- H04N9/3194—Testing thereof including sensor feedback
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Abstract
The invention discloses a kind of laser projection device progress control method and systems.The method include that obtaining the parameter that the detection part in laser projection device measures；The parameter that will acquire is compared with preset parameter, judges whether laser projection device breaks down；Wherein, preset parameter is the parameter under laser projection device normal operating conditions；It breaks down if being judged as, according to comparing result, determines the fault message of laser projection device.The present invention program is capable of the operating condition of timely learning laser projection device, is capable of the operating condition of timely learning laser projection device, and handled in time abnormal failure situation, improves laser projection device reliability of operation.
Description
The application is a kind of on May 20th, 2016 entitled " the laser projection device progress control methods proposed
And system " Chinese invention patent application 201610336598.0 divisional application.
Technical field
The present invention relates to field of communication technology more particularly to a kind of laser projection device operation methods.
Background technique
Laser display technology is brought because of characteristics such as its intrinsic color rendition degree height, contrast height, high brightness
Completely new visual experience.Laser movie theatre shows that color is distincter, brightness is higher compared with traditional-family's movie theatre, in image, by
In product using laser as light emitting source, laser light source service life length, information privacy are strong, can comply with demand and the epoch in market well
The trend of development, while also having inborn advantage in extra large screen manufacture view, the LED(Light with same size
Emitting Diode, light emitting diode) LCD TV compares, and power consumption is also lower, meets social energy conservation ecological requirements.
Laser movie theatre is generally made of laser projection device, stereo set and screen.Laser projection device is by a variety of passes
Key component composition, such as laser (laser diode), DMD(Digital Micro-mirror Device, data micro mirror
Device) chip, fluorescent wheel (Phosphor Wheel), power supply and various electronic chips etc., it is the height of optical, mechanical and electronic integration
Precision, the equipment of high integration.Therefore, needed in laser projection device operational process to the working conditions of various parts into
Row detection guarantees that entire laser projection system runs well.
Summary of the invention
The embodiment of the present invention provides a kind of laser projection device progress control method and system, sets to improve laser projection
Standby work reliability of operation.
The present invention provides a kind of laser projection device progress control methods, wherein laser projection device includes issuing one
The laser of kind or two kinds of colors passes through stimulated light and excites the fluorescent wheel for generating fluorescence, the fluorescence and laser that fluorescent wheel generates
The laser of sending forms three primary colours, and receives the dmd chip of three primary colours light, and dmd chip will be carried to after image signal modulation
There is the light beam of image content information to be reflected into camera lens, and, laser projection device further includes measuring part, this method comprises:
Measuring part collects the operation information of laser projection device internal components and machine system, and operation information includes that laser is thrown
Following at least two operating parameters in shadow equipment running process: colour wheel revolving speed, rotation speed of the fan, device temperature, brightness, wherein
Operating parameter has different detection priority；
The operating parameter that will acquire is compared with preset parameter, judges whether laser projection device breaks down；Wherein,
Preset parameter is the parameter under laser projection device normal operating conditions；
It breaks down if being judged as, according to comparing result, determines the fault message of laser projection device；
Further, laser projection device internal components include but is not limited to following any:
Laser, fluorescent wheel, filter wheel, fan, dmd chip, board, radiator, camera lens, power panel；
And laser projection device machine system operation information includes but is not limited to following any:
Laser drive current, brightness, colour wheel revolving speed, rotation speed of the fan, device temperature, equipment setting regions human motion shape
State；
Further, multiple operating parameters in laser projection device further include:
The laser projection that the driving current for the laser that current detecting part measurement obtains, filter device detection part measurement obtain
Ambient humidity that protective cover state that equipment cleanliness, protective cover detection part measurement obtain, humidity sensor measurement obtain, again
The placing attitude for the laser projection device that force sensor measuring obtains, laser equipment setting regions human motion state；
Further, colour wheel revolving speed or rotation speed of the fan have highest detection priority；
Further, the detection priority of colour wheel revolving speed and rotation speed of the fan is all larger than device temperature and the detection of brightness is preferential
Grade；
Further,
After determining the fault message of laser projection device, further includes: fault message is converted to audio signal, is output to audio
It is played in equipment；
Further, fault message is fault code,
Fault message is converted into audio signal, comprising:
According to fault code, the corresponding text of fault code is determined；Convert text to audio signal；Or
Fault code is converted into audio signal；
Further,
In laser projection device booting, and before the laser of laser projection device is lit, obtain in laser projection device
At least two operating parameter below: colour wheel revolving speed, rotation speed of the fan, device temperature, brightness, wherein operating parameter has difference
Detection priority；
Judge whether the higher operating parameter of priority is normal compared with preset parameter, if the higher operating parameter of priority is just
Often, then continue to judge the operating parameter that priority is taken second place until having judged all parameters according to detection priority；
Stop boot action when judging operating parameter exception, determines that laser projection device breaks down, and export fault message；
When judging that all operating parameters are normal, laser is lighted in determination；
Further, it is determined that after the fault message of laser projection device, further includes:
According to the fault message of identified laser projection device, the corresponding Preservation tactics of fault message are inquired；According to inquiring
Preservation tactics, laser projection device is protected.
It can be seen that in the technical solution of laser projection device operation provided by the present invention, by obtaining laser projection
Multiple operating parameters in equipment running process, and be equipped with different detection priority, the operating parameter that will acquire and default
Parameter compare, the especially operating parameter of critical component judges whether laser projection device breaks down；If being judged as
It breaks down, then determines the fault message of laser projection device according to comparing result, be capable of timely learning laser projection device
Operating condition can be improved laser projection device reliability of operation to handled in time abnormal failure situation.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without any creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is laser projection device structural schematic diagram in the prior art；
Fig. 2-1 is the flow diagram for the laser projection device progress control method that the embodiment of the present invention one provides；
Fig. 2-2 is the flow diagram for the another laser projection device progress control method that the embodiment of the present invention one provides；
Fig. 3 is the schematic diagram for the colour wheel Rotating speed measring that the embodiment of the present invention one provides；
Fig. 4 is the schematic diagram for the laser drive current detection that the embodiment of the present invention one provides；
Fig. 5 is the structural schematic diagram for the TTS software application that the embodiment of the present invention one provides；
Fig. 6 is the another structural schematic diagram for the laser projection device that the embodiment of the present invention one provides
Fig. 7 is the flow diagram for the laser projection device progress control method that the embodiment of the present invention two provides；
Fig. 8 is the structural schematic diagram for the laser projection device operating system that the embodiment of the present invention provides.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that the described embodiments are only some of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
Embodiment one
Fig. 1 shows laser projection device structure composition schematic diagram in the prior art, including light source 101, ray machine 102, camera lens
103 and projection screen 104.
Wherein, light source 101 includes laser and colour wheel, because of the limitation of pure color laser application, current laser light source
For monochromatic laser light source or two-color laser light source, i.e., generated by the laser and wavelength convert that issue one or two kinds of colors
Fluorescence form light source, colour wheel includes fluorescent wheel or fluorescent wheel and filter wheel, and fluorescent wheel passes through stimulated light excitation generation and wave
The fluorescence of long transition material corresponding color, and the laser issued with laser forms RGB three primary colours.Being converted due to wavelength of fluorescence is needed
The laser facula of high energy is wanted to be irradiated to the surface of fluorescent wheel, and the prolonged exposure of high-energy light beam guiding can make fluorescent wheel locally generate greatly
The heat of amount, or even burn, therefore, fluorescent wheel is Periodic Rotating, and such laser high-energy light beam guiding forms one on fluorescent wheel
Circular path, and the fluorescent wheel rotated is conducive to distributing for heat.
Filter wheel is arranged in the emitting light path of fluorescent wheel, and main purpose is to carry out to the fluorescence for being excited to generate
Filter improves color purity, and therefore, filter wheel and fluorescent wheel are synchronous rotaries.
It include the core element of DLP projection in ray machine 102, dmd chip is made of thousands of small reflecting mirror,
The three primary colours light that light source is provided according to timing is received, the modulation of picture signal is received, the light beam of image content information will be carried
Pass through being reflected into camera lens 103 for tiny mirror.
The size of DMD is very small, and the light beam for both having required light source to be emitted keeps the output of timing, while keeping light beam again
The uniformity of brightness, prevents the brightness inconsistency of screen picture, and with the light beam being emitted from light source brightness at any time
Decay Rate, the beam brightness received in DMD optical path can also change.
Camera lens 103 is usually that ultrashort zoom lens reflect DMD as image-forming assembly in the laser projection device of household
Light beam carry out multiple amplification after project and shown on screen 104, and make light enter human eye by the reflex of screen,
Viewer is set to see projected image.
On the basis of describing laser projection device structure composition, the embodiment of the present invention will combine the booting of Fig. 2-1 to transport
Row flow diagram illustrates an example of laser projection device progress control method.
The process can be realized that the process includes the following steps: by the hardware of software combination laser projection device
Step 201: obtaining the operating parameter in laser projection device operational process.
Step 202: the operating parameter that will acquire is compared with preset parameter, judges whether laser projection device is sent out
Raw failure；Wherein, preset parameter is the parameter under laser projection device normal operating conditions.
Step 203: breaking down if being judged as, according to comparing result, determine the fault message of laser projection device.
Specifically, the process of the operation of the laser projection device provided in an embodiment of the present invention as shown in Fig. 2-1 can be
Using being executed immediately after the laser projection device booting of this method, for example, receiving remote-controlled start-up signal in laser projection device
And after being switched on, the step 201 in the process of laser projection device operation provided in an embodiment of the present invention enters immediately to be executed.It can also
To be periodically to run the step to the laser projection device of working condition by timer.
The acquisition of the parameter measured in step 201 detection part in laser projection device can be to be obtained in real time
It takes, perhaps regularly obtains or trigger acquisition after measuring parameter by the detection part in laser projection device etc. and is specific
Situation.Further, the acquisition of the operating parameter measured detection part in laser projection device can also be thrown according to laser
The priority orders that detection part is obtained for the concrete condition setting of the parameter of detection in shadow equipment.
By the operating parameter in the laser projection device that is got in step 201 may include have it is below a kind of or more
Kind:
Temperature that colour wheel revolving speed, the temperature sensor measurement that infrared sensor measurement obtains obtain, optical sensor measurement obtain
Ambient humidity that the driving current for the laser that brightness, current detecting part measurement obtain, humidity sensor measurement obtain, again
Rotation speed of the fan that the placing attitude for the laser projection device that force sensor measuring obtains, rotation speed of the fan detection part measurement obtain,
The protection that laser projection device cleanliness that filter device detection part measurement obtains, protective cover detection part measurement obtain is hood-like
State.
Wherein, above-mentioned a variety of operating parameters have different priority detection orderings, for example, colour wheel revolving speed, laser drive
Dynamic stream, rotation speed of the fan, temperature, brightness operating parameter priority detection ordering be above ambient humidity, laser projection device
Cleanliness, protective cover state, laser equipment setting regions human motion state, laser projection device placing attitude operating parameter
Detection ordering.Or colour wheel revolving speed, laser driving stream, rotation speed of the fan, temperature, the detection ordering of brightness operating parameter are excellent
In the detection ordering of laser equipment setting regions human motion state, and, laser equipment setting regions human motion state
Detection ordering is better than the detection ordering of ambient humidity where laser projection device, laser projection device cleanliness, and protective cover
The detection ordering of state, the placing attitude operating parameter of laser projection device is minimum.
Different priorities detection ordering refers to, preferentially judges the higher operating parameter of priority detection ordering, so as to
Know the working condition of the corresponding component of the operating parameter, usually the detection ordering of the operating parameter of some critical components is arranged
It is higher for priority-level, for example, laser, the basic element of character that the components such as colour wheel, fan are run as safeguards system, preferentially sentence
Whether the corresponding operating parameter of these components of breaking is normal.
Compared to traditional projection device, two colour wheels of fluorescent wheel and filter wheel have been used in laser projection device, wherein
Fluorescent wheel is as wavelength convert component, for three primary colours needed for cooperating laser to generate light source jointly, if fluorescent wheel cannot be just
Often operating, then laser gets to static wheel surface, will calcination colour wheel, such as moment breakdown, cause irreversible loss.
And if filter wheel cannot run well jointly with fluorescent wheel, can not generate the three primary colours of timing, then can not cooperate ray machine
Signal processing system normally generates colour picture.Therefore, colour wheel normal operation is can to guarantee that light source can be normally carried out wavelength
Conversion, exports the critical component of complete three primary colours.Colour wheel revolving speed is usually to be obtained by infrared sensor.It can be seen that colour wheel
Revolving speed is to measure whether laser projection device is in one of highly important parameter of normal operating conditions.
In some embodiments of the invention, the available colour wheel obtained by infrared sensor measurement in step 201
Revolving speed.Wherein, infrared sensing implement body can be feux rouges transceiver sensor, and Fig. 3 shows one of measurement colour wheel revolving speed
Example, colour wheel 301 are rotated by the drive of motor 302, paste MARK(label in 302 side surface of motor) block 303, the MARK block
For black light-absorbing material, feux rouges transceiver sensor 304 can receive with emission detection light, motor 302 during rotation,
When MARK block region proceeds to detection optical range, MARK block 303 carries out the light issued to feux rouges transceiver sensor 304
It reflection and absorbs, forms impulse waveform, feux rouges transceiver sensor 304 is so as to knowing color according to the period of impulse waveform
The revolving speed of wheel 301.
Most of component is very sensitive to temperature in laser projection device, these key components and machine system are all
It needs to run under the conditions of certain environment, can just guarantee reliability and service life.Such as laser work at high temperature for a long time
Work can shorten the working life, and the excessively high transfer efficiency that also will affect fluorescent wheel of temperature rise of part, or even can make the optics of plastic cement
Lens deformation, optical path can not work normally.
In some embodiments of the invention, the available temperature obtained by temperature sensor measurement in step 201.
Wherein, be typically provided with multiple temperature sensors in laser projection device, for example, it is some be arranged around laser, for detecting
Laser temperature, it is some to be arranged in air inlet, for detecting the environment temperature of laser projection device.Further, laser is thrown
Multiple temperature sensors in shadow equipment can also be numbered accordingly, so as to by the temperature sensor of different location into
Row is distinguished.In some specific embodiments of the present invention, temperature sensor can be NTC(Negative Temperature
Coefficient, negative temperature coefficient) thermal resistor with multiple packing forms can easily be applied to various electricity
Lu Zhong.
In some embodiments of the invention, the light obtained by optical sensor measurement can also be obtained in step 201
Degree.Wherein, optical sensor is generally disposed in the lighting system of the ray machine of laser projection device, such as in filter wheel and DMD
In optical path between (Digital Micro-mirror Device, data micro-mirror device), it is able to detect the change of emitting brightness
Change, to reflect variation or light decay situation of colour temperature or white balance etc..
In some embodiments of the invention, it can also obtain and to be obtained by current detecting part measurement in step 201
The driving current of laser.Wherein, current detecting part specifically can be current sensor, or can also be other feedback electricity
Road etc..Fig. 4 shows an example of measurement laser drive current, and the setting of current sensor 401 is in power supply 402 and driving electricity
It between road 403, or also can be set between driving circuit 403 and laser 404, wherein driving circuit 403 usually passes through
PWM(Pulse Width Modulation, pulse width modulation) wave or switching circuit control, electricity is carried out to laser 404
Stream driving, laser 404 include multiple groups laser group, and each group of laser is a laser BANK(mould group), such as usually
It is arranged in the laser array of M × N, these single lasers are usually series system, if a damage, this group swash
Light device just open circuit, can not normal luminous, so as to cause light-source brightness reduction.
In some embodiments of the invention, the ring obtained by humidity sensor measurement can also be obtained in step 201
Border humidity.Wherein, the ambient humidity as where laser projection device will affect the heat dissipation of laser projection device, humidity sensor
The air inlet etc. in laser projection device can be set.
In some embodiments of the invention, it can also obtain and be swashed by what gravity sensor measurement obtained in step 201
The placing attitude of light projecting device.Wherein, since different placing attitudes will affect the formation of laser projection device heat dissipation wind channel,
There is also differences for the velocity of liquid assets of air between heat dissipation wind channel and external environment, for laser projection device, just throw (or it is preceding
Throw) heat dissipation effect is generally preferred over anti-heat dissipation effect in the case of throwing placing attitude in the case where placing attitude, and gravity sensor can be with
Measure laser projection device on each change in coordinate axis direction in space by gravitational conditions, so as to obtain reflection laser projection device
Some initial data of placing attitude, so as to quantify to obtain the pendulum of laser projection device according to preset quantizing rule
Put posture.
In some embodiments of the invention, it can also obtain and be measured by rotation speed of the fan detection part in step 201
The rotation speed of the fan arrived.Wherein, being usually provided in laser projection device at multiple fans, such as air inlet or air outlet can be arranged
There are one or more fans, seal light source enclosure interior also can be provided with one or more wind to increase airflow speed
Fan, is generally also equipped with fan, the wind in laser projection device beside the components such as the boards such as power panel, driving plate, radiator
Fan is usually DC fan, and rotation speed of the fan detection part can be in the circuit part of fan for feeding back the circuit of rotation speed of the fan
Part, such as feedback pin.
In some embodiments of the invention, it can also obtain what some other measuring parts measured in step 201
Parameter.For example, needing to detect whether normally to open in booting if laser projection device is provided with projection lens protective cover
Protective cover, otherwise will be unable to normal projection, and protective cover detection part can measure protective cover state, in operating status periodically
Detection protective cover abnormal closing whether occurs, for example be turned off manually；For another example, laser projection device current environment cleaning journey
Degree will will affect that equipment can be enabled normally and the operation working time of equipment, filter device detection part can measure laser
Projection device cleanliness, and laser equipment setting regions human motion shape is obtained using infrared sensor or Hall sensor
State, for example in defined view field, laser beam brightness is very high, should prevent human body or animal from entering the region, in order to avoid
High-energy light beam guiding damages human body or animal body.
It should be understood that the measuring part in laser projection device may include that there are many sensor and feed circuits
Deng listing some laser in the application to collect the operation information of laser projection device internal components and machine system
The parameter that detection part in projection device measures, the parameter that the detection part in laser projection device measures are not limited to
Cited part in the application.
Based on the parameter that the detection part in laser projection device accessed in step 201 measures, in step 202
In the parameter that can will acquire compared with preset parameter, to judge whether laser projection device breaks down；Wherein,
Preset parameter is the parameter under laser projection device normal operating conditions.Further, preset parameter can be preset
Parameter value or value range can specifically be preset according to different parameter situations.
For example, within a period of time of laser projection device normal boot-strap, such as in N seconds time, (N is more than or equal to 1
Integer), colour wheel should be able to reach a certain preset revolving speed or the range of speeds under the drive of motor, if got
Colour wheel revolving speed do not reach preset revolving speed (for example being preset with revolving speed value or revolving speed value range), or with preset turn
Speed then may determine that colour wheel is in improper working condition compared to larger (such as the threshold value for being preset with difference) is differed, this
In the case of laser projection device cannot normally enable.
For another example, during laser projection device is run, if the temperature that the temperature sensor measurement got arrives
The value of parameter has been more than the value or value range of predetermined temperature parameter, it is assumed that the temperature parameter measured, which is shown, works as
The temperature of preceding laser projection device is excessively high, in this case in order to protect laser projection device that should stop projection device system
Operation.
If judging that laser projection device breaks down in above-mentioned steps 202, step 203 can be further executed
Described in the comparing result according to step 202, determine the fault message of laser projection device.
Wherein, fault message specifically can be fault code.It is similar with most equipment, it can in laser projection device
It is indicated with being provided with corresponding fault code to different types of equipment fault in advance, fault code can be to be made of number
Number, such as the form etc. (X indicates numerical chracter) of XX or XXXX is stored in advance in laser projection device, specifically can be with
It is stored as the form of table, the failure of laser projection device can be determined by inquiring the table according to the comparing result of step 202
Code.
For example, after judging that laser projection device breaks down, if confirmation is infrared sensing according to comparing result
The difference between colour wheel revolving speed and preset colour wheel revolving speed that device measurement obtains has exceeded preset difference threshold, then inquires laser
The table of the corresponding relationship of the failure and fault code that are stored in projection device, the extremely corresponding failure of available colour wheel revolving speed
Code, for example be digital number 5003, if confirmation is the temperature sensing for measuring DMD operating temperature according to comparing result
The temperature that device measurement obtains is higher than preset temperature, then it is corresponding with fault code to inquire the failure stored in laser projection device
The table of relationship, the corresponding fault code of available DMD temperature anomaly, for example be digital number 5008, etc..
In the embodiment of the present invention, after the fault message for determining laser projection device in step 203, can further it hold
Fault message is converted to audio signal, is output in audio frequency apparatus and plays by row step 204 as shown in Fig. 2-2.
Wherein, audio frequency apparatus can be sound-box device, audio component etc..Than laser cinema system structure as shown in FIG. 6,
Audio frequency apparatus is sound-box device 602, and laser projection device 601, which is transmitted by Serial Port Line 604 to sound-box device 602, orders, such as
Volume, Audio mode etc. are set, the audio signal being converted to can be output to by sound-box device by tone frequency channel wire 605
It is played in 602.
Specifically, fault message being converted to audio signal can integrate in the system by being invoked at laser projection device
Text-to-speech transition components complete, for example in some embodiments of the invention, one kind is preferably by fault message
The mode for being converted to audio signal can be by based on TTS(Text To Speech, from Text To Speech) basis of software one
Kind TTS application is to realize.
Wherein, TTS software can be third party software, and key technology is speech synthesis (Speech Synthesis).
Fig. 5 shows TTS software as the position in a software system architecture, wherein software systems include application layer 501, answer
With ccf layer 502, local ccf layer 503 and operating system and driving layer 504.As shown in figure 5, TTS software module is generally wrapped
The TTS kernel 505 in application framework layer 502 and the TTS interface 506 in application layer 501 are included, in TTS software module base
The TTS realized on plinth, by calling TTS interface 506, can utilize the function of TTS software, convert text to language using 507
Sound.In the present invention, by TTS software integration be embedded in laser projection device complete machine software, provide can provide for will therefore
Barrier information is converted into the TTS application of voice audio signals, which can call TTS interface, so as to utilize TTS software institute
The speech synthesis conversion function having, is converted into audio signal for fault message.Further, with TTS text-to-speech skill
Art graduallys mature, and the TTS application provided in some specific embodiments of the present invention also further can be with flexible expansion, for example expands
Exhibition can support multi-lingual conversion, to support multilingual version so as to set according to geographical environment and user
It sets, different language version is used when fault message is converted into audio signal, it is all relatively easy in maintenance and expansion.
In some embodiments of the present invention, determining fault message specifically can be fault code in step 203, thus
In step 204, the corresponding text of fault code can further be determined, then by this article according to identified fault code
Originally audio signal is converted to, wherein the corresponding text of fault code specifically can be preset for indicating and fault code institute
One group of letter symbol of corresponding defect content；Alternatively, in some embodiments of the present invention, it in step 204 can also be direct
Identified fault code is converted into audio signal.
It wherein, can be by calling the realization of text-to-speech transition components will be literary in some currently preferred embodiments of the present invention
Originally audio signal is converted to, or fault code is converted to the process of audio signal.
It specifically,, can be with when laser projection device breaks down by taking text-to-speech transition components are TTS application as an example
Background scheduling TTS application is triggered, is applied by the TTS and fault code is converted directly into voice audio signals, be output to audio and set
Standby middle broadcasting, thus user can according to the fault code played out, by way of such as inquiring the files such as servicing manual come
Obtain the fault type or specific defect content of laser projection device；Alternatively, the TTS application can also be previously stored with each
That is, the corresponding defect content of fault code will so as to according to fault code, obtain defect content corresponding with fault code
Fault code is translated as specific text, recalls TTS and converts defect content using had text-to-speech conversion function
For voice audio signals, played by audio frequency apparatus；Alternatively, TTS application can also be previously stored with laser projection device life
The information such as maintenance telephone and the fixed point maintenance agency that manufacturer provides are produced, in the audio signal for playing fault code or defect content
Afterwards, the audio signal about related maintenance service information is further played.
It can be seen that being joined due in embodiments of the present invention by the operation obtained in laser projection device operational process
Number, the operating parameter that will acquire is compared with preset parameter, and different operating parameters is arranged different priority
Detection ordering can preferentially know the working condition of equipment important component, and then play base to laser projection device normal operation
The guaranteeing role of plinth.By judging whether laser projection device breaks down, break down if being judged as, according to comparing result
It determines the fault message of laser projection device, is capable of the operation conditions of timely learning laser projection device, and then by fault message
Audio signal is converted to, is output in audio frequency apparatus and plays, is realized in such a way that voice plays in device fails feelings
Fault message is timely and effectively prompted under condition, be conducive to the quick positioning of equipment fault and is excluded in time, is improved laser projection and is set
Standby reliability of operation.
For a user, then can be more intuitive and intelligent know failure cause, improve user experience.Together
When, for that can also be supported based on the text-to-speech transition components that TTS software is realized multi-lingual in some embodiments of the present invention
Speech, and be easy to extend and safeguard.
In some currently preferred embodiments of the present invention, after the fault message for determining laser projection device in step 203, also
The corresponding Preservation tactics of fault message can be inquired according to the fault message of identified laser projection device, and then can be by
According to the Preservation tactics inquired, laser projection device is protected, improves the reliability for ensureing laser projection device.Wherein,
The corresponding Preservation tactics of different fault messages usually can be different.
Specifically, judge that laser projection is set in the parameter detected according to the detection part being arranged in laser projection device
After standby failure (i.e. abnormal), in order to protect equipment that will generate interruption, and start the protection process to equipment, for example closing swashs
Light device stops colour wheel rotation, closes ray machine etc..Preferably, it can be looked into according to the fault message for the laser projection device determined
The corresponding Preservation tactics of fault message are ask, and then laser projection device can be protected according to the Preservation tactics inquired.
Wherein, Preservation tactics can be preset for different fault message institutes, for example different fault messages can be set
Fixed corresponding failure rank, so that each corresponding safeguard measure of failure grade setting is directed to, for example, if fault message is shown
An only optical sensor cisco unity malfunction in laser projection device causes that light-source brightness variation cannot be timely feedbacked,
But it has no effect on projection systems project and shows work, then can indicate that the corresponding Preservation tactics of the fault message are not close laser
The normal work component (for example do not close laser, colour wheel etc.) of projection device, but only carry out voice prompting.
Embodiment two
For laser projection device progress control method provided by clearer description the embodiment of the present invention, below in conjunction with
Method flow as shown in Figure 7, the application for being provided for the embodiments of the invention laser projection device operation carry out illustratively
It illustrates.
As shown in fig. 7, laser projection device is in the process of running, realize that laser projection provided by the embodiment of the present invention is set
The colour wheel revolving speed that the laser projection device fault cues device of received shipment row can be obtained by obtaining infrared sensor measurement, and sentence
Whether off-color wheel works normally, by obtaining rotation speed of the fan that the measurement of rotation speed of the fan detection part obtains (such as by fan system
The rotation speed of the fan situation of system feedback pin feedback) judge whether fan system works normally, it is obtained by temperature sensor measurement
Temperature whether normal, the light obtained by optical sensor measurement that judges whether equipment cooling normal and part of appliance works
Degree judges whether the brightness in equipment is normal, judges laser by the laser drive current that current detecting part measures
It is luminous etc. whether group is normally driven.
If the above-mentioned portion to inside the equipment such as fan system, color wheel system, temperature sensor, optical sensor, laser
The testing result of part is to work normally, then system maintains to operate normally, if any appearance is abnormal, is turned at failure
Reason, specifically includes determining fault message, fault message is converted to audio signal, is output in audio frequency apparatus and plays, and according to
The corresponding protection of fault message carries out equipment protection, for example close laser, colour wheel and fan etc..
It should be noted that the present embodiment two only gives the acquisition and detection example of a kind of operating parameter, according to laser
The different working conditions and feature of projection device, the detection ordering of adjustable each operating parameter, or each fortune of adjustment
The detection cycle of row parameter.
And the operating status according to laser projection device, can also on the basis of detecting above-mentioned operating parameter again into
One step comparison such as cleanliness, ambient humidity or the sensor of filter device has detected whether that human body is examined close to view field
Survey judgement, wherein it is longer that the detection of the cleanliness of filter device can be set to detection cycle, and to whether having human body close
It is shorter that the detection of view field can be set as detection cycle, i.e. detection frequency is higher, to remind human body not by high energy in time
Laser irradiation arrives, and especially eyes cannot be looked at straight, to improve laser projection device work reliability of operation and safety.
By above description as can be seen that the technical solution of the laser projection device operation provided in embodiments of the present invention
In, by obtain the parameter that measures of detection part in laser projection device, the parameter that will acquire and preset parameter into
Row comparison, and there are different judgement priority orders to different operating parameters, for example can find critical component in time
Working condition takes troubleshooting and equipment protection measure in time, guarantees laser projection device reliability of operation.
The technical solution of the laser projection device operation provided in through the embodiment of the present invention, it is complex for system,
The high precision of part of appliance more (fan is more, colour wheel is more, sensor is more etc.), the laser projection device of high integration can
The operating status of timely obtaining widget, especially critical component, makes breakdown judge and equipment protection measure in time, such as
Detailed fault message can be converted into voice audio signals output using speech synthesis technique after determining fault message,
So that technical staff can quick positioning device failure, reduce the malfunction elimination time, take corresponding equipment protection
Measure can mitigate because equipment fault may bring further damaged condition in time, or improve equipment safety in utilization.
Embodiment three
Based on the same technical idea, the embodiment of the present invention also provides a kind of laser projection device operation control system, the system
Above-mentioned laser projection device operation embodiment can be performed, which can be applicable in laser projection device and available laser
The parameter that detection part detects in projection device.Laser projection device operation control system provided in an embodiment of the present invention is as schemed
Shown in 8, comprising:
Module 801 is obtained, for obtaining the operating parameter in laser projection device operational process；
Judgment module 802 is compared for will acquire the operating parameter that module 801 is got with preset parameter, and judgement swashs
Whether light projecting device breaks down；Wherein, preset parameter is the parameter under laser projection device normal operating conditions；
Determining module 803, for according to comparing result, determining that laser projection is set when judgment module 802 is judged as and breaks down
Standby fault message；
Wherein, obtaining the parameter that the detection part in laser projection device acquired in module 801 measures includes following one kind
Or it is a variety of:
Temperature that colour wheel revolving speed, the temperature sensor measurement that infrared sensor measurement obtains obtain, optical sensor measurement obtain
Ambient humidity that the driving current for the laser that brightness, current detecting part measurement obtain, humidity sensor measurement obtain, again
Rotation speed of the fan that the placing attitude for the laser projection device that force sensor measuring obtains, rotation speed of the fan detection part measurement obtain,
The protection that laser projection device cleanliness that filter device detection part measurement obtains, protective cover detection part measurement obtain is hood-like
State.
Further, laser projection device operation control system as shown in Figure 8 can also include:
Setup module 804 is set for the priority detection ordering to multiple operating parameters.
And
Output module 805 is output to audio and sets for fault message determined by determining module 803 to be converted to audio signal
Standby middle broadcasting.
Wherein, fault message can be fault code.
Specifically, output module 805 can be used for: according to fault code, determine the corresponding text of fault code, then should
Text conversion is audio signal；Or fault code is converted into audio signal.
Preferably, output module 805 can call the realization of text-to-speech transition components to convert text to audio signal, or
Fault code is converted to the process of audio signal by person.
Output module 805 can further include audio frequency apparatus, for specifically exporting voice signal.
And laser projection device operation control system further include: protective module 806, for true according to determining module 803
The fault message of fixed laser projection device, the corresponding Preservation tactics of inquiry fault message；And according to the protection plan inquired
Slightly, laser projection device is protected.
Laser projection device operation control system provided in an embodiment of the present invention runs above-described embodiment one, in embodiment two
Flow and method, can by obtain laser projection device operational process in operating parameter, the operating parameter that will acquire with
Preset parameter compares, and judges whether laser projection device breaks down；It breaks down if being judged as, is tied according to comparison
Fruit determines the fault message of laser projection device, is capable of the operating condition of timely learning laser projection device, being capable of timely learning
The operating condition of laser projection device, and abnormal failure situation is handled in time, improve laser projection device reliability of operation.
By the way that fault message is converted to audio signal, it is output in audio frequency apparatus and plays, realized in such a way that voice plays
Fault message is timely and effectively prompted in the case of device fails, is conducive to the quick positioning of equipment fault and is excluded in time,
It is also beneficial to improve laser projection device reliability of operation.
For software implementation, these technologies can use module (such as program, the function etc. for realizing function described herein
Deng) realize.Software code can store in a memory cell, and be executed by processor.Memory cell can handled
It realizes in device or outside the processor.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of laser projection device progress control method, which is characterized in that the laser projection device include issue it is a kind of or
The laser of two kinds of colors excites the fluorescent wheel for generating fluorescence by stimulated light, fluorescence that the fluorescent wheel generates and described swashs
The laser that light device issues forms three primary colours, and receives the dmd chip of three primary colours light, and the dmd chip is to image signal modulation
The light beam for carrying image content information is reflected into camera lens afterwards, and, the laser projection device further includes measuring part,
This method comprises:
Measuring part collects the operation information of laser projection device internal components and machine system, and the operation information includes swashing
Following at least two operating parameters in light projecting device operational process: colour wheel revolving speed, rotation speed of the fan, device temperature, brightness,
In, the operating parameter has different detection priority；
The operating parameter that will acquire is compared with preset parameter, judges whether the laser projection device breaks down；
Wherein, the preset parameter is the parameter under the laser projection device normal operating conditions；
It breaks down if being judged as, according to comparing result, determines the fault message of the laser projection device.
2. the method as described in claim 1, which is characterized in that under the laser projection device internal components include but is not limited to
It arranges any:
Laser, fluorescent wheel, filter wheel, fan, dmd chip, board, radiator, camera lens, power panel.
3. the method as described in claim 1, which is characterized in that the laser projection device machine system operation information include but
It is not limited to following any:
Laser drive current, brightness, colour wheel revolving speed, rotation speed of the fan, device temperature, equipment setting regions human motion shape
State.
4. the method as described in claim 1, which is characterized in that multiple operating parameters in the laser projection device are also wrapped
It includes:
The laser projection that the driving current for the laser that current detecting part measurement obtains, filter device detection part measurement obtain
Ambient humidity that protective cover state that equipment cleanliness, protective cover detection part measurement obtain, humidity sensor measurement obtain, again
The placing attitude for the laser projection device that force sensor measuring obtains, laser equipment setting regions human motion state.
5. the method as described in claim 1, which is characterized in that the colour wheel revolving speed or rotation speed of the fan have highest detection preferential
Grade.
6. the method as described in claim 1, which is characterized in that the detection priority of the colour wheel revolving speed and rotation speed of the fan is big
In the detection priority of the device temperature and brightness.
7. the method as described in claim 1, which is characterized in that
After the fault message for determining the laser projection device, further includes: the fault message is converted into audio signal, it is defeated
It is played out into audio frequency apparatus.
8. the method for claim 7, which is characterized in that
The fault message is fault code,
The fault message is converted into audio signal, comprising:
According to the fault code, the corresponding text of the fault code is determined；It is audio signal by the text conversion；Or
The fault code is converted into audio signal.
9. method a method as claimed in any one of claims 1-8, which is characterized in that
In laser projection device booting, and before the laser of the laser projection device is lit, obtains laser and throw
Following at least two operating parameters in shadow equipment: colour wheel revolving speed, rotation speed of the fan, device temperature, brightness, wherein the operation
Parameter has different detection priority；
Judge whether the higher operating parameter of priority is normal compared with the preset parameter, if the higher operation ginseng of priority
Number is normal, then continues judge operating parameter that priority is taken second place up to having judged all parameters according to the detection priority；
Stop boot action when judging operating parameter exception, determines that the laser projection device breaks down, and export failure
Information；
When judging that all operating parameters are normal, laser is lighted in determination.
10. method as claimed in claim 9, which is characterized in that after the fault message for determining the laser projection device, also
Include:
According to the fault message of the identified laser projection device, the corresponding Preservation tactics of the fault message are inquired；It presses
According to the Preservation tactics inquired, the laser projection device is protected.
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| CN201811228501.XA CN109089095A (en) | 2016-05-20 | 2016-05-20 | A kind of laser projection device progress control method |
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| CN201610336598.0A CN105828055A (en) | 2016-05-20 | 2016-05-20 | Operation control method and system for laser projection equipment |
| CN201811228501.XA CN109089095A (en) | 2016-05-20 | 2016-05-20 | A kind of laser projection device progress control method |
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| CN201610336598.0A Division CN105828055A (en) | 2016-05-20 | 2016-05-20 | Operation control method and system for laser projection equipment |
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Application publication date: 20181225 |
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| WW01 | Invention patent application withdrawn after publication |