CN103313016A - Projector remote controller and projector capable of being maintained remotely - Google Patents
Projector remote controller and projector capable of being maintained remotely Download PDFInfo
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- CN103313016A CN103313016A CN2013102620894A CN201310262089A CN103313016A CN 103313016 A CN103313016 A CN 103313016A CN 2013102620894 A CN2013102620894 A CN 2013102620894A CN 201310262089 A CN201310262089 A CN 201310262089A CN 103313016 A CN103313016 A CN 103313016A
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Abstract
The invention relates to a projector capable of being maintained remotely. The projector capable of being maintained remotely comprises a projector body and is characterized in that a remote controller is disposed in the projector body, the remote controller comprises a master control unit (1), an optical sensor (2), a communication unit (3), a motor (4), a transmission mechanism (5) and a projection control interface (6), the optical sensor (2), the communication unit (3), the motor (4), the transmission mechanism (5) and the projection control interface (6) are connected with the master control unit (1), the optical sensor (2) is mounted at the tail end of the transmission mechanism (5) and connected with a rotary shaft of the motor (4) through the transmission mechanism (5), the master control unit (1) drives the motor (4) to rotate forwardly and reversely, and the optical sensor is moved in and out of a projection light range through the transmission mechanism. The projector capable of being maintained remotely has the advantages that projector brightness can be obtained remotely, information such as abnormality warnings can be acquired timely, working status of the projector can be learned about remotely, timely maintenance is achieved, and fault influences can be reduced greatly.
Description
Technical field
The present invention relates to a kind of projector's remote controllers for the management of projector remote automation, and a kind of built-in remote maintenance projector of remote detection control function, electronic technology field belonged to.
Background technology
Projector claims digital multimedia projector again, is a kind of equipment that image or video can be projected on the screen, can be connected by the same computer of different interfaces, VCD, DVD, BD, game machine, DV etc. and play corresponding vision signal.Projector is widely used in family, office, school and public place of entertainment, according to the working method difference, CRT is arranged, LCD, and DLP etc. are dissimilar.
Multimedia projector is used in a large number as a kind of large-screen display equipment, school particularly, and theater large tracts of land uses projector, becomes classroom instruction, indispensable equipment is educated in publicity.Yet because there is powerful light source projector inside, so the failure rate of projector is very high.Major failure shows as: 1) light source bulb life-span weak point, and improper ventilation then very easily damages; 2) projection brightness can progressively descend, and bad service condition and occupation mode cause brightness faster to descend; 3) high temperature causes the damage of other parts; 4) maintenance such as air strainer is untimely also causes projector to damage and reports to the police.The catastrophic failure of projector is often very big to the teaching influence, needs continuous detection, maintenance for this reason.At present all be the pattern that adopts labor management basically, for the school that tens of so that hundreds of projectors are arranged, it is very big that it detects the workload of safeguarding, cost of labor is also very high, and maximum problem is can't in time to pinpoint the problems often, inefficiency, influence teaching.Therefore, need a kind ofly can to detect projector's state by remote auto, long-rangely suitably control, and equipment and the software systems that can manage concentratedly by software.
Occurred a kind of middle control equipment of realizing the control of remote projection machine on the market, it adopts camera to carry out screen shot, realizes communication by middle control equipment, thereby realizes controls such as the long-range brightness detection of projector and switch.But it has following shortcoming: 1. the brightness value that collects is influenced by the reflectivity of projector's projector distance and screen, can not reflect projector's true brightness; 2. measurement result is subjected to ambient light effects bigger; 3. need camera and graphic processing circuit, cost is higher; 4. as the part of central control system, installation and use are all comparatively complicated.Secondly, prior art all is to adopt local network communication, thereby is easy to be subjected to the influence of local network fault, and configuration, management more complicated, and flexibility is relatively poor.Therefore, a kind of new equipment of exigence solves above-mentioned technical problem.
Summary of the invention
The present invention is just at the technical problem that exists in the prior art, a kind of simple in structure, easy for installation, projector's remote controllers and remote maintenance projector that cost is lower, easy to use are provided, making can the long-range detection of projector being carried out true brightness by communication network, and can carry out reading of the various operating states of projector, and projector carried out Long-distance Control, thereby utilize software and communication network, carry out automation, the fault detect of intelligentized projector, realize centralized control.
To achieve these goals, technical scheme of the present invention is as follows: a kind of projector remote controllers, it is characterized in that, described controller comprises main control unit, optical sensor, communication unit, motor, transmission mechanism, projection control interface, described optical sensor, communication unit, motor, projection control interface all link to each other with main control unit, described optical sensor is installed in the end of described transmission mechanism, links to each other with machine shaft by transmission mechanism.Described main control unit drive motors, and pass through transmission mechanism, before realization moves into projector lens with optical sensor, simultaneously, white screen is launched by projector by the control of projection control interface, thereby measures true brightness, utilizes the communication unit in the controller, telecommunication be can realize, Long-distance Control and data acquisition carried out.
As a kind of improvement of the present invention, described communication unit is set to a kind of in mobile communication module or UART/RS232 interface circuit or the wire/wireless LAN module.Communication unit is set to mobile communication module, and as the GSM/GPRS mobile communication module, its advantage is that configuration is simple, and communication security is reliable, is not subjected to the local communication network fault effects; Change communication unit into local area network communications module, be specially ethernet module or WiFi module, its advantage is not need the additional communication expense, the communication bandwidth height; Communication unit is set to RS232 or UART interface, is convenient to be connected to local control and communication equipment, as control equipment in the classroom, in order to constitute complete teaching management system.
Described optical sensor is set to the optical semiconductor photosensitive elements, when carrying out projector's brightness detection, with before its immigration projector lens and towards projection light, thereby accurately detects the projection light intensity.
As a kind of improvement of the present invention, described controller also comprises one or several combinations in temperature sensor, sound transducer, the imageing sensor.Make the administrative staff can be from the long-range field data that obtains broad medium, thereby carry out reliable long-range judgement comprehensively.
A kind of remote maintenance projector, comprise projector's main body, it is characterized in that, be provided with remote controllers in the described projector main body, described remote controllers comprise main control unit, optical sensor, communication unit, motor, transmission mechanism, the projection control interface, described optical sensor, communication unit, motor, the projection control interface all links to each other with main control unit, described optical sensor is installed in the end of described transmission mechanism, link to each other with machine shaft by transmission mechanism, the positive and negative rotation of described main control unit drive motors moves into and shifts out the projected light scope by transmission mechanism with optical sensor.
As a kind of improvement of the present invention, described communication unit is set to mobile communication module or UART/RS232 interface circuit or wire/wireless LAN module.Communication unit is set to mobile communication module, and as the GSM/GPRS mobile communication module, its advantage is that configuration is simple, and communication security is reliable, is not subjected to the local communication network fault effects; Change communication unit into local area network communications module, be specially ethernet module or WiFi module, its advantage is not need the additional communication expense, the communication bandwidth height; Communication unit is set to RS232 or UART interface, is convenient to be connected to local control and communication equipment, as control equipment in the classroom, in order to constitute complete teaching management system.
Described optical sensor is set to the optical semiconductor photosensitive elements.When carrying out projector's brightness detection, with before its immigration projector lens and towards projection light, thereby accurately detect the projection light intensity.
As a kind of improvement of the present invention, described controller also comprises one or several combinations in temperature sensor, sound transducer, the imageing sensor; Make the administrative staff can be from the long-range field data that obtains broad medium, thereby carry out reliable long-range judgement comprehensively.
With respect to prior art, advantage of the present invention is as follows, 1) controller and remote maintenance projector overall structure is simple, easy to install, cost is lower; 2) obtain projector's brightness by long-range, and in time gather information such as abnormality warnings, thereby can projector in time be safeguarded, can reduce the influence of fault significantly; 3) can long-rangely carry out tracing management to projector in enormous quantities by application software, thereby improve the efficiency of management greatly, reduce maintenance cost, particularly reduce personnel's working strength; 4) break down the back and nobody the time can long-rangely carry out the timely shutdown of projector, thereby prolonged the life-span of projector, reduced waste; 5) owing to adopt optical sensor closely directly to receive projection light, thereby can obtain real projection brightness value, not be subjected to the screen reflection characteristic, and the influence of projection distance, also not be subject to the influence of surround lighting.
Description of drawings
Fig. 1 is the installation connection diagrams of remote controllers of the present invention in common projector;
Fig. 2 is each module annexation schematic diagram in the remote controllers of the present invention;
Fig. 3 is remote maintenance of the present invention projector overall structure schematic diagram.
Among the figure: 1 main control unit, 2 optical sensors, 3 communication units, 4 motors, 5 transmission mechanisms, 6 projection control interfaces, 7 shells, 8 projectors, the control interface of 9 projectors, 41 machine shafts.
Embodiment
In order to deepen the understanding of the present invention and understanding, below in conjunction with accompanying drawing 1-3 and embodiment the present invention is made further instructions and introduces.
Embodiment 1:
Referring to Fig. 1 and Fig. 2, Fig. 1 is the installation connection diagrams of remote controllers of the present invention in common projector, and Fig. 2 is each module annexation schematic diagram in the remote controllers of the present invention.A kind of projector remote controllers, described controller comprises main control unit 1, optical sensor 2, communication unit 3, motor 4, transmission mechanism 5, projection control interface 6, described optical sensor 2, communication unit 3, motor 4, projection control interface 6 all link to each other with main control unit, described optical sensor 2 is installed in the end of described transmission mechanism 5, links to each other with motor 4 rotating shafts by transmission mechanism 5.Among Fig. 1, all interlock circuit modules and motor 4 are installed in the shell 7, and are fixed on by shell 7 on the shell of projector 8, and machine shaft 41 stretches out shell 7, and connect transmission mechanism 5; The receiving plane of optical sensor 2 is towards projector lens, and described projection control interface 6 is by the control interface 9 in the cable connection projector.Described main control unit 1 drive motors, and before realizing optical sensor moved into projector lens by transmission mechanism 5, launch white screen by projection control interface 6 control projectors simultaneously, thereby measure true brightness.Utilize the communication unit in the controller, can realize telecommunication, carry out Long-distance Control and data acquisition; It is the control core plate with MCU that described main control unit 1 is one, and it connects motor 4, communication unit 3, projection control interface 6, and optical sensor 2 is also linked main control unit 1.In the present embodiment, optical sensor 2 is silicon photocell devices, and the AD pin of the MCU of main control unit is linked in its output, thereby can carry out analog-to-digital conversion by MCU, collects brightness numerical value.Motor 4 is common DC micromotor, can drive its rotating by main control unit 1, and by transmission mechanism 5 optical sensor 2 is moved into and shift out the projected light scope.Utilize devices such as simple limit switch, can realize optical sensor 2 is switched between two ad-hoc locations, two positions are corresponding respectively to move into the projected light scope and shifts out the projected light scope.Because the control interface 9 of projector is generally the RS232 interface, so projection control interface 6 also is set to a RS232 interface, the order that sends is commonly referred to as serial port command.Control the serial port command that the unit sends in the utilization, can control the operating state of projector, as white screen, blank screen, start, shutdown etc.Can also read projector status information by this interface in addition, as temperature alarm information etc.
Described optical sensor 2 is set to the optical semiconductor photosensitive elements, owing to adopt optical sensor closely directly to receive projection light, thereby can obtain real projection brightness value, be not subjected to the screen reflection characteristic, and the influence of projection distance, be not subject to the influence of surround lighting yet.
Embodiment 2:
As a kind of improvement of the present invention, described communication unit 3 is set to a kind of in mobile communication module or UART/RS232 interface circuit or the wire/wireless LAN module.
Communication unit is set to mobile communication module, is a GSM/GPRS module specifically, by this module, utilizes the public mobile communication service can realize that remote double is to data transmit-receive.Its advantage is that configuration is simple, and communication security is reliable, is not subjected to the local communication network fault effects.
Perhaps change communication unit into local area network communications module, be specially ethernet module or WiFi module, its advantage is not need the additional communication expense, the communication bandwidth height.
Perhaps communication unit is set to RS232 or UART interface, is convenient to be connected to local control and communication equipment, as control equipment in the classroom, in order to constitute complete teaching management system.In concrete application, select targetedly according to actual conditions.
Embodiment 3:
As a kind of improvement of the present invention, described controller also comprises one or several combinations in temperature sensor, sound transducer, the imageing sensor.Make the administrative staff can be from the long-range field data that obtains broad medium, thereby carry out reliable long-range judgement comprehensively.
Embodiment 4:
Referring to Fig. 3, a kind of remote maintenance projector, comprise projector's main body, be provided with main control unit 1, communication unit 3, motor 4, transmission mechanism 5, projection control interface 6 in the described projector main body, described communication unit 3, motor 4, projection control interface 6 all link to each other with main control unit 1, also have optical sensor 2 to be installed in the end of described transmission mechanism 5, link to each other with motor 4 rotating shafts by transmission mechanism 5, the positive and negative rotation of described main control unit 1 drive motors moves into and shifts out the projected light scope by transmission mechanism with optical sensor 2.Optical sensor 2 also links to each other with control unit 1.Projection control interface 6 links the control interface 9 of projector internally.
Described communication unit 3 is set to a kind of in mobile communication module or UART/RS232 interface circuit or the wire/wireless LAN module.
Communication unit is set to mobile communication module, specifically can be a GSM/GPRS module, by this module, utilizes the public mobile communication service can realize that remote double is to data transmit-receive.Its advantage is that configuration is simple, and communication security is reliable, is not subjected to the local communication network fault effects.
Perhaps change communication unit into local area network communications module, be specially ethernet module or WiFi module, its advantage is not need the additional communication expense, the communication bandwidth height.
Perhaps communication unit is set to RS232 or UART interface, is convenient to be connected to local control and communication equipment, as control equipment in the classroom, in order to constitute complete teaching management system.In concrete application, select targetedly according to actual conditions.
Described optical sensor 2 is set to the optical semiconductor photosensitive elements, owing to adopt optical sensor closely directly to receive projection light, thereby can obtain real projection brightness value, be not subjected to the screen reflection characteristic, and the influence of projection distance, be not subject to the influence of surround lighting yet.
Embodiment 5:
As a kind of improvement of the present invention, described controller also comprises one or several combinations in temperature sensor, sound transducer, the imageing sensor.Make the administrative staff can be from the long-range field data that obtains broad medium, thereby carry out reliable long-range judgement comprehensively.
The operation principle of this remote maintenance projector is as follows, the default conditions after powering up, and main control unit 1 control motor 4 is just changeing, and optical sensor 2 is shifted out the projected light scope, thereby can not influence the normal use of projector.When needs carry out the projection brightness measurement, then at first control projector and launch white screen, drive motors 4 counter-rotatings move into the projected light scopes with optical sensor 2 again, thereby can the acquired projections brightness data.In order to eliminate the influence of surround lighting, can when not receiving projected light, measure one time ambient brightness value, calculate the poor of two kinds of brightness values, be last projection brightness value.Launch white screen and blank screen in order to control projector, then need send the control interface 9 of corresponding control command to the projector by projection control interface 6 by main control unit 1.The control interface 9 of projector can be set to the RS232 interface, and projection control interface 6 also is set to a RS232 interface, and the order that sends is commonly referred to as serial port command.Can also read projector status information by this interface in addition, as temperature alarm information etc.
The application mode of this technical scheme is very flexible, and a kind of typical application mode is to run application mobile communication terminal of computer connection, i.e. general alleged note cat in remote computer.Application program can send to a certain projector remote controllers with control command by the note cat, thereby starts above-mentioned projector's brightness testing process, receives the brightness testing result that this controller sends then.Simultaneously, also can read other running state parameter of projector, thereby in time understand the operating state of projector.Working procedure design by main control unit 1 also can be initiatively sends to the application program of remote computer with the abnormal alarm information of projector etc.In addition, can also realize remote power-off, thereby avoid the waste of the unmanned work of projector.Utilize a computer, can realize tens of so that thousands of the projectors of Long-distance Control, scan its operating state, find fault in advance, and the prompting solve a problem promptly, in addition, in this projecting apparatus temperature sensor, sound transducer, imageing sensor etc. can also be set, make the administrative staff can be from the long-range field data that obtains broad medium, thereby carry out reliable long-range judgement comprehensively.
The present invention can also be combined to form new execution mode with at least one and the embodiment 1 in embodiment 2, the 3 described technical characterictics; Embodiment 5 described technical characterictics and embodiment 4 are combined to form new execution mode.
Need to prove that above-described embodiment only is preferred embodiment of the present invention; be not used for limiting protection scope of the present invention; being equal to replacement or substituting of having done on the basis of the above all belongs to protection scope of the present invention, and protection scope of the present invention is as the criterion with claims.
Claims (10)
1. projector's remote controllers, it is characterized in that, described controller comprises main control unit (1), optical sensor (2), communication unit (3), motor (4), transmission mechanism (5), projection control interface (6), described optical sensor (2), communication unit (3), motor (4), projection control interface (6) all links to each other with main control unit (1), described optical sensor (2) is installed in the end of described transmission mechanism (5), link to each other with motor (4) rotating shaft by transmission mechanism (5), the positive and negative rotation of described main control unit (1) drive motors (4) moves into and shifts out the projected light scope by transmission mechanism (5) with optical sensor (2).
2. a kind of projector according to claim 1 remote controllers is characterized in that described communication unit (3) is set to mobile communication module.
3. a kind of projector according to claim 2 remote controllers is characterized in that described communication unit (3) is set to the GSM/GPRS mobile communication module.
4. a kind of projector according to claim 1 remote controllers is characterized in that described communication unit (3) is set to UART/RS232 interface circuit or wire/wireless LAN module.
5. a kind of projector according to claim 1 remote controllers is characterized in that described optical sensor (2) is set to the optical semiconductor photosensitive elements.
6. according to claim 1 or 3 or 4 or 5 described a kind of projector remote controllers, it is characterized in that described controller also comprises one or several combinations in temperature sensor, sound transducer, the imageing sensor.
7. remote maintenance projector, comprise projector's main body, it is characterized in that, described projector main body is provided with remote controllers, described remote controllers comprise main control unit (1), optical sensor (2), communication unit (3), motor (4), transmission mechanism (5), projection control interface (6), described optical sensor (2), communication unit (3), motor (4), projection control interface (6) all links to each other with main control unit (1), described optical sensor (2) is installed in the end of described transmission mechanism (5), link to each other with motor (4) rotating shaft by transmission mechanism (5), the positive and negative rotation of described main control unit (1) drive motors (4) moves into and shifts out the projected light scope by transmission mechanism (5) with optical sensor (2).
8. a kind of remote maintenance according to claim 6 projector is characterized in that described communication unit (3) is set to mobile communication module or UART/RS232 interface circuit or wire/wireless LAN module.
9. a kind of remote maintenance according to claim 6 projector is characterized in that described optical sensor (2) is set to the optical semiconductor photosensitive elements.
10. according to claim 6 or 7 or 8 described a kind of remote maintenance projectors, it is characterized in that described controller also comprises one or several combinations in temperature sensor, sound transducer, the imageing sensor.
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104113719A (en) * | 2014-06-30 | 2014-10-22 | 武汉市安曼特微显示科技有限公司 | Parameter display device of engineering projection system |
CN105472359A (en) * | 2015-11-13 | 2016-04-06 | 成都鼎智汇科技有限公司 | Remote debugging method for projector |
CN105607976A (en) * | 2015-12-21 | 2016-05-25 | 成都汇智远景科技有限公司 | Remote debug system for projector |
CN106210154A (en) * | 2016-09-30 | 2016-12-07 | 刘章国 | A kind of projector equipment network control method and system |
CN109767708A (en) * | 2019-01-27 | 2019-05-17 | 上海阳霖文化传媒发展有限公司 | All-in-one machine is launched in outdoor advertising automatically |
CN109819227A (en) * | 2018-12-07 | 2019-05-28 | 上海阳霖文化传媒发展有限公司 | A kind of automatic jettison system of outdoor advertising and its method preventing malicious attack |
CN110837011A (en) * | 2019-09-27 | 2020-02-25 | 深圳市火乐科技发展有限公司 | Abnormal data processing method and device, intelligent projector and storage medium |
CN111373747A (en) * | 2017-11-22 | 2020-07-03 | 罗伯特·博世有限公司 | Laser projection device, method for operating a laser projection device and laser projector |
CN113467166A (en) * | 2021-07-09 | 2021-10-01 | 上海煊瑾多媒体科技有限公司 | Novel intelligence constant temperature and humidity protective equipment |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104113719A (en) * | 2014-06-30 | 2014-10-22 | 武汉市安曼特微显示科技有限公司 | Parameter display device of engineering projection system |
CN105472359A (en) * | 2015-11-13 | 2016-04-06 | 成都鼎智汇科技有限公司 | Remote debugging method for projector |
CN105607976A (en) * | 2015-12-21 | 2016-05-25 | 成都汇智远景科技有限公司 | Remote debug system for projector |
CN106210154A (en) * | 2016-09-30 | 2016-12-07 | 刘章国 | A kind of projector equipment network control method and system |
CN111373747A (en) * | 2017-11-22 | 2020-07-03 | 罗伯特·博世有限公司 | Laser projection device, method for operating a laser projection device and laser projector |
CN109819227A (en) * | 2018-12-07 | 2019-05-28 | 上海阳霖文化传媒发展有限公司 | A kind of automatic jettison system of outdoor advertising and its method preventing malicious attack |
CN109767708A (en) * | 2019-01-27 | 2019-05-17 | 上海阳霖文化传媒发展有限公司 | All-in-one machine is launched in outdoor advertising automatically |
CN110837011A (en) * | 2019-09-27 | 2020-02-25 | 深圳市火乐科技发展有限公司 | Abnormal data processing method and device, intelligent projector and storage medium |
CN113467166A (en) * | 2021-07-09 | 2021-10-01 | 上海煊瑾多媒体科技有限公司 | Novel intelligence constant temperature and humidity protective equipment |
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Application publication date: 20130918 |