CN2679719Y - Replace indicator for projecting light source element - Google Patents
Replace indicator for projecting light source element Download PDFInfo
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- CN2679719Y CN2679719Y CN 03203311 CN03203311U CN2679719Y CN 2679719 Y CN2679719 Y CN 2679719Y CN 03203311 CN03203311 CN 03203311 CN 03203311 U CN03203311 U CN 03203311U CN 2679719 Y CN2679719 Y CN 2679719Y
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- light source
- circuit
- projection light
- unit replacement
- brightness
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Abstract
The utility model relates to a replace indicator for projecting light source element, comprising at least one brightness sensor and one photoelectric induced circuit. The brightness sensor is arranged in a projector or a rear projected television to sense the brightness of the projecting light source element, and the brightness is converted into the corresponding numeral signal by the photoelectric induced circuit to be outputted. A firing sensing circuit is used to sense the state which the projecting light source element is lighted and fired every time. A timing circuit accepts the signal of the projecting light source element sensed by the firing sensing circuit and proceeds the movement of timing, making the working time that the projecting light source element is fired and lighted every time computed and output. At least one decision circuit of lamp life respectively accepts the brightness and the data accumulation of lighting time of the projecting light source element output by the photoelectric induced circuit and the timing circuit to decide the occasion of replacing the projecting light source element. An indicating signal is output to a display control circuit or a display device or a phonetic device of the projector or the rear projected television to display the replacing message.
Description
Technical field
The utility model is changed indicating device relevant for a kind of projection light source lamp spare, refers to that especially a kind of projection light source lamp spare that is used in projector or the rear-projection TV set warns the replacing indicating device on opportunity automatically.
Background technology
Pre-projecting type projector or rear-projection TV set (being commonly called as the inner projection televisor) are widely used in that giant-screen manifests or the occasion of rating, owing to show image can be enlarged via inner projection pattern, can solve the size-constrained problem of cathode ray tube (CRT) televisor, as: 39 inches to 55 inches common rear-projection TV set, or screen sizes more, as the rear-projection TV set of 60 inches, 65 inches screens, visual enjoyment is further promoted.
Yet; in pre-projecting type projector or rear-projection TV set structure; topmost assembly is light engine (the OPTICAL ENGINE that is used for throwing raw video; or title ray machine); image that light engine casts out is directly beaten on the place ahead screen of wall-mounted screen outside or rear-projection TV set; and the main projection light source assembly of supply light engine; normally with xenon (XEON) lamp; metal halogen (METAL HALIDE) lamp; it is main reaching high-pressure sodium lamp (UHP-ULTRAHIGH PRESSURE) lamp or electrodeless ceramic lamp; and the lighting mode of these projection light source assemblies; must be to light in the effluve mode; and these a little projection light source assemblies are the quality quality no matter; all arranged certain serviceable life; known decision method is via visual inspection projection image high-high brightness; be used as the opportunity of projection light source unit replacement; but will be because of vision deviation between the observer or the cognitive different errors to some extent of judgement experience only according to the visual inspection light-source brightness; can't reach precisely and the requirement of protection human visual health in good time, often cause user's eyes tired or thereby produce the danger of main pathology because of can't in time changing the projection light source assembly.
In addition, the foundation that above-mentioned projection light source assembly list is used as judging with projection light source brightness, except meeting judges that because of artificial cognitive difference has the error, another problem points is because the pre-projecting type projector of different labels or projection light source assembly pattern and the label that back projection television adopted also have nothing in common with each other, the characteristic of each projection light source assembly is also different, for example: the brightness of some projection light source assembly is the state that is directly proportional with life curve, perhaps can judge projection light source replacement of component opportunity only according to the state of brightness, but the brightness of some projection light source assembly and serviceable life curve not proportional, but it is relevant service time with accumulative total, for example: some projection light source assembly is under certain service time, have the life problems that filament or other assembly burn in the short time at the utmost point, will cause erroneous judgement and problem and the shortcoming that projection light source assembly accident is burnt takes place opportunity and singly be used as the projection light source replacement of component with observation brightness, and for example change the environmental issue that the projection light source assembly then causes use cost waste and a large amount of projection light source assembly to throw aside too early, for the projection light source unit replacement of pre-projecting type projector or back projection type televisor problem extremely to be solved.
In addition, continuous research and development along with each label projection light source assembly, the operating life data of this projection light source assembly is constantly change also, for example: the serviceable life of projection light source assembly may be because of the technological improvement of manufacturer, and allow be twice or three times of times of original old product serviceable life of new product light projector source component of new replacing, therefore, as judging only according to user's experience or memory is judged, very easily thereby produce the facts that more erroneous judgements change and take place.
The utility model content
Edge this, fundamental purpose of the present utility model, promptly be that a kind of projection light source unit replacement indicating device is being provided, have at least one brightness sensor, photoelectric sensor circuit and a light source life decision circuit, to give the light source life decision circuit by the work brightness of brightness sensor and photoelectric sensor circuit sensing and conversion projection light source assembly reality, by the light source life decision circuit with this projection light source assembly brightness data as judging the opportunity of judging the projection light source unit replacement.
Another purpose of the present utility model, promptly be that a kind of projection light source unit replacement indicating device is being provided, have one and start sensing circuit, timing circuit, becoming each service time of the data of projection light source assembly, and transfer to the light source life decision circuit and judge the replacing foundation on opportunity service time with accumulative total as the projection light source assembly by starting sensing circuit and timing circuit sensing and timing.
A purpose more of the present utility model, promptly be to be to provide a kind of projection light source unit replacement indicating device, this light source life decision circuit reaches replacing during opportunity at the projection light source assembly, export an indicating signal and give display control circuit or a display device or a voice device of projector or back projection type televisor, with the message of Display projector light source assembly replacing.
In order to achieve the above object, projection light source unit replacement indicating device of the present utility model comprises at least one brightness sensor, a photoelectric sensor circuit, startup sensing circuit, a timing circuit and a light source life circuit; Be characterized in: this brightness sensor of sensing photoelectric sensor circuit is arranged in projector or the back projection television, with the brightness of sensing projection light source lamp spare, and converts the output of relative digital signal to by photoelectric sensor circuit; This starts sensing circuit, is used for sensing projection light source lamp spare to light the state of startup at every turn; This timing circuit, receive and start the signal that sensing circuit institute sensing projection light source lamp spare starts, and carry out the action of timing, calculated and exported with the working time that projection light source lamp spare is started light at every turn, and this light source life decision circuit, receive the brightness of the projection light source lamp spare of exporting from photoelectric sensor circuit and timing circuit respectively and light time data accumulative total, with the opportunity of judging that projection light source lamp spare is changed, and export an indicating signal and show for the display control circuit of projector or back projection television or an alarming device to change message, and then can reach with the brightness of projection light source assembly and accumulative total service time two kinds of conditions accurately judge the effect of projection light source unit replacement indication on opportunity.
Description of drawings
Fig. 1 is the square circuit diagram of first embodiment of the present utility model;
Fig. 2 is the second enforcement illustration of the present utility model;
Fig. 3 is the 3rd an enforcement illustration of the present utility model;
Fig. 4 is the 4th an enforcement illustration of the present utility model;
Embodiment
At first see also shown in Figure 1, projection light source unit replacement indicating device 100 of the present utility model, comprise at least one brightness sensing sensor 10, one photoelectric sensor circuit 20, one starts sensing circuit 30. 1 timing circuits 40, an and light source life decision circuit 50, wherein, this brightness sensing sensor 10 is installed in pre-projecting type projector or the back projection type televisor, brightness with sensing projection light source assembly 200, and export a luminance signal S, and the pattern of this brightness sensing sensor 10 is not limit, for example: photistor, light thyristor Photo Thyristor assembly or other equivalent photoelectricity sensing components such as (photo SCR) do not take off the category that the utility model is advocated.
Above-mentioned photoelectric sensor circuit 20, the output terminal of its input end and brightness sensor 10 electrically connects, to receive luminance signal S from brightness sensing sensor 10, converting numerical data D output to luminance signal S is corresponding, and nationality is manifested the real work luminance state of projection light source assembly 200 by this numerical data D.This photoinduction circuit for example can adopt the IC circuit of LM324.
Above-mentioned startup sensing circuit 30, the startup loop 210 that links projection light source assembly 200, starting state each time with this projection light source assembly 200 of sensing, and export one and start signal ST, start-up circuit can adopt different model according to the lamp source of different capacity, as selecting for use the PTVIP150AC/38001 of OSRAM company and PTVIP120AC/38001 startup sensing circuit can adopt a pair of light emitting diode, optotransistor and NPN transistor respectively at 150W and 120W; This timing circuit 40 is electrically connected with the startup sensing circuit, to receive the startup signal ST that starts sensing circuit 30, to start timing, and calculated the working time of projection light source assembly 200 when at every turn lighting, and export with a chronometric data T, when projection light source assembly 200 was closed each time, automatically the timing content is removed (CLEAR) was 0 to this timing circuit 40 according to the state that starts signal T, and this timing circuit for example can adopt the IC circuit of W741E201.
Above-mentioned light source life decision circuit 50, it is electrically connected with the output terminal of timing circuit and photoelectric sensor circuit respectively, inside prestores the standard operating life data and the numerical value of this projection light source assembly 200, comprise this projection light source assembly brightness and service time the equal life critical data, this light source life decision circuit 50 receives numerical data D and the chronometric data T that is exported from photoelectric sensor circuit 20 and timing circuit 40 respectively, and each chronometric data T stored, accumulative total, with accumulated result according to this numerical data D and chronometric data T, be used as projection light source assembly 200 and change the decision criteria on opportunity, and when one of above-mentioned brightness or accumulative total any one condition service time reach above-mentioned projection light source assembly decision data in 200 serviceable life that prestores and numerical value, for example: represent the numerical data D of brightness to reach the brightness life-span of projection light source assembly 200 that light source life decision circuit 50 inside prestore earlier during numerical value, or the chronometric data T accumulated result of representing 200 service times of projection light source assembly reaches life-span service time of projection light source assembly 200 that these light source life decision circuit 50 inside prestore during numerical value, then the footpath is to be judged to be the replacing opportunity of projection light source assembly 200, and by light source life decision circuit 50 outputs one indicating signal L, this light source life decision circuit can adopt the IC circuit of LM324.
The device that the indicating signal L that above-mentioned light source life decision circuit 50 is exported externally links is not limit, as among the utility model first embodiment to be the display control circuit 300 that is linked in projector or the back projection television (figure shows), directly be presented at this indicating signal L on the screen in the screen of projector or back of the body formula televisor the place ahead with the caution message by this display control circuit L, to remind the user to carry out the replacing of projection light source assembly 200, and under the state that this projection light source assembly 200 is changed, light source life decision circuit 50 will be at the special time after the indicating signal L output, after 1 minute, it is 0 that numerical data D and the chronometric data T that added up are removed automatically, and the reset mode of this chronometric data T is not as limit.
The pattern of above-mentioned light source life decision circuit 50 is not limit, be to be embodiment in the utility model, the brightness and the burning in advance of time critical data, numerical value and decision procedure in serviceable life of the projection light source assembly 200 of different types and label can be stored to microprocessor internal with the microprocessor assembly.
Please cooperate shown in Figure 2 again, for second of projection light source unit replacement indicating device 100 of the present utility model is implemented illustration, be that with the first embodiment difference part shown in Fig. 1 this light source life decision circuit 50 outwards links a display device 400, to display device 400 to show with the indicating signal L that will represent projection light source assembly 200 to change, with the caution user projection light source assembly 200 is changed, these display device 400 patterns are regardless of, and can be pilot lamp or light-emitting diode display or LCD display.
Please consult shown in Figure 3 again, the 3rd embodiment for projection light source unit replacement indicating device 100 of the present utility model, wherein, this light source life decision circuit 50 is after indicating signal L output, numerical data D and the chronometric data T that added up are not removed, and this light source life decision circuit links one and changes sensing sensor 51 and voice device 500, this replacing sensing sensor 51 is located on the lamp socket 220 of projection light source assembly 200, whether breaking away from lamp socket 220 with sensing projection light source assembly 200 is replaced, and change 51 generations one of sensing sensor by this and change signal R to light source life decision circuit 50, to allow light source life decision circuit 50 after projection light source assembly 200 is changed really, just with above-mentioned numerical data D, chronometric data T removes, and stop going up indicating signal L and export, change projection light source assembly 200 to prevent that the user from forgetting, and this light source life decision circuit 50 links voice device 500, then but nationality is warned the message that projection light source assembly 200 is changed by indicating signal L output and allow voice device 500 play with voice mode.
The pattern of the replacing sensing sensor 51 among above-mentioned Fig. 3 is regardless of, and can be micro switch, optoelectronic switch or proximity switch.
Please cooperate shown in Figure 4 again, change the 4th of indicating device 100 for light source projecting subassembly of the present utility model and implement illustration, wherein, with this first embodiment difference part shown in Figure 1, for this light source life decision circuit 50 links a lifetime data initialization circuit 60, this lifetime data initialization circuit 60 has a key groups 61 at least, with normal brightness and the critical data of service time and the numerical value of nationality by the above-mentioned projection light source assembly 200 of these key groups 61 inputs, chronometric data T accumulated result makes zero clear command to lifetime data initialization circuit 60, nationality carries out the action that standard decision data in serviceable life and numerical value write storage by 60 pairs of light source life decision circuits of this lifetime settings circuit 50 again, and when projection light source assembly 200 is changed, can remove the order of making zero through the accumulated result that the operation of key groups 61 is assigned chronometric data T to judging service life circuit 50, this embodiment be can nationality by this key groups 61 and lifetime data initialization circuit 60 both to the input of judging service life circuit 50 judge data or the action of renewal, can be along with the label or the pattern difference of the projection light source assembly of being changed 200, give the decision data in serviceable life that more new settings is relative, and then gain usable range of the present utility model and practical effect.
Therefore, resolve down by the latent structure and the technical descriptioon of above Fig. 1～the utility model projection light source unit replacement indicating device shown in Figure 4, when its advantage, practical effect and industrial utilization being summarized as follows:
One, allows the replacing decision procedure of projection light source assembly 200 of the projector of front projection formula or back projection type televisor, can become accurate robotization pointing-type, can eliminate artificial wrongheaded factor fully by the bigger manual type of known error factor.
Two, the replacing decision condition of projection light source assembly 200, can via brightness and accumulative total service time two kinds of different conditions judged, can significantly promote the degree of accuracy on replacing opportunity of projection light source assembly 200.
Three, can be set and be changed the decision condition in serviceable life at the projection light source assembly 200 of various different labels or pattern, projection light source unit replacement indicating device 100 of the present utility model can be combined in use in the pre-projecting type projector of various different labels or pattern or the back projection type motor or use, and then gain its application category and industrial utilization.
At the unit replacement of the utility model projection light source shown in above Fig. 1～Fig. 4 indicating device, wherein related description that is disclosed and accompanying drawing, only for ease of illustrating technology contents of the present utility model and technological means, the a corner of the preferred embodiment that discloses, do not limit its category, and, modify at the equivalent substitution of thin portion structural modification of the present utility model or assembly such as, neither utility model spirit of the present utility model and the category of taking off, its scope will be defined by following claims scope.
Claims (13)
1, a kind of projection light source unit replacement indicating device comprises at least one brightness sensor, a photoelectric sensor circuit, startup sensing circuit, a timing circuit and a light source life circuit; It is characterized in that:
This brightness sensor, the brightness of sensing projection light source assembly, and export a luminance signal, to represent the real work brightness of projection light source assembly;
This photoelectric sensor circuit, the output terminal of its input end and brightness sensor electrically connects, and accepts the luminance signal of brightness sensor output, and converts numerical data output to;
This starts sensing circuit, connects the startup loop of projection light source assembly, with the state that starts light of sensing projection light source assembly at every turn, and exports a startup signal;
This timing circuit is electrically connected with starting sensing circuit, to accept to start the startup signal of sensing circuit output, calculates the time that the projection light source assembly is lighted at every turn to start timing, and converts chronometric data output to, and;
This light source life decision circuit, it is electrically connected with the output terminal of timing circuit and photoelectric sensor circuit respectively, inside prestores data and the numerical value of projection light source assembly with judging service life, accept numerical data and chronometric data that photoelectric sensor circuit and timing circuit are exported respectively, with accumulated result according to numerical data and chronometric data, prestore with above-mentioned inside serviceable life decision data and numeric ratio right, to judge the opportunity of projection light source unit replacement, and when changing the time, export an indicating signal to this.
2, projection light source unit replacement indicating device as claimed in claim 1 is characterized in that, this brightness sensor is located at pre-projecting type projector or back projecting projector inside.
3, projection light source unit replacement indicating device as claimed in claim 1 or 2 is characterized in that, this brightness sensor is photistor, light silicon control rectification body.
4, projection light source unit replacement indicating device as claimed in claim 1 is characterized in that, this startup sensing circuit is linked to the startup loop of projection light source assembly.
5, projection light source unit replacement indicating device as claimed in claim 1 is characterized in that this light source life decision circuit is a microprocessor.
6, projection light source unit replacement indicating device as claimed in claim 1 is characterized in that this light source life decision circuit is linked to the display control circuit of pre-projecting type projector or back projection type televisor, and exports indicating signal to display control circuit.
7, projection light source unit replacement indicating device as claimed in claim 1 is characterized in that, this light source life decision circuit links a display device, to export indicating signal to this display device.
8, projection light source unit replacement indicating device as claimed in claim 7 is characterized in that, this display device is pilot lamp, light-emitting diode display or LCD display.
9, projection light source unit replacement indicating device as claimed in claim 1 is characterized in that, this light source life decision circuit links a voice device, to export indicating signal to this voice device.
10, projection light source unit replacement indicating device as claimed in claim 1 is characterized in that, this light source life decision circuit links one and changes sensor, and this replacing sensor is located on the lamp socket of projection light source assembly.
11, projection light source unit replacement indicating device as claimed in claim 10 is characterized in that, this replacing sensor is microswitch, optoelectronic switch or proximity switch.
12, projection light source unit replacement indicating device as claimed in claim 1, it is characterized in that, this light source life decision circuit links a lifetime data initialization circuit, sets projection light source assembly decision data in serviceable life and the numerical value that the inside of light source life decision circuit prestores with input.
13, projection light source unit replacement indicating device as claimed in claim 2, it is characterized in that, this lifetime data initialization circuit links a key groups, sets projection light source assembly decision data in serviceable life and the numerical value that the inside of light source life decision circuit prestores with mat key groups input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03203311 CN2679719Y (en) | 2003-01-31 | 2003-01-31 | Replace indicator for projecting light source element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03203311 CN2679719Y (en) | 2003-01-31 | 2003-01-31 | Replace indicator for projecting light source element |
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|---|---|
| CN2679719Y true CN2679719Y (en) | 2005-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03203311 Expired - Fee Related CN2679719Y (en) | 2003-01-31 | 2003-01-31 | Replace indicator for projecting light source element |
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| CN (1) | CN2679719Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100510946C (en) * | 2006-06-14 | 2009-07-08 | 明基电通股份有限公司 | Projection system and control method of cooling unit |
| CN101320195B (en) * | 2007-06-06 | 2010-06-09 | 台达电子工业股份有限公司 | Projection device with speech reminding function and control method used for the same |
| CN101858512A (en) * | 2010-04-30 | 2010-10-13 | 王默文 | Lamp with timing reminding function |
| CN101998714A (en) * | 2009-08-19 | 2011-03-30 | 松下电工株式会社 | Lighting apparatus and lighting fixture |
| CN101788753B (en) * | 2007-03-09 | 2011-12-21 | 索尼株式会社 | Projector and control method |
| CN102404922A (en) * | 2010-08-27 | 2012-04-04 | 奥斯兰姆施尔凡尼亚公司 | End of life indicator for lamps |
| CN103969599A (en) * | 2013-01-31 | 2014-08-06 | 海洋王（东莞）照明科技有限公司 | Test circuit for discharge time of lamp |
| CN104019962A (en) * | 2014-06-16 | 2014-09-03 | 南京融教科技有限公司 | Detection method and device for service life of projector |
| CN106980223A (en) * | 2016-01-19 | 2017-07-25 | 精工爱普生株式会社 | The control method of projecting apparatus and projecting apparatus |
| WO2018121062A1 (en) * | 2016-12-30 | 2018-07-05 | 深圳市光峰光电技术有限公司 | Light source device and projector |
| CN110873996A (en) * | 2018-08-30 | 2020-03-10 | 中强光电股份有限公司 | Projection device and monitoring method of light source module |
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2003
- 2003-01-31 CN CN 03203311 patent/CN2679719Y/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100510946C (en) * | 2006-06-14 | 2009-07-08 | 明基电通股份有限公司 | Projection system and control method of cooling unit |
| CN101788753B (en) * | 2007-03-09 | 2011-12-21 | 索尼株式会社 | Projector and control method |
| CN101320195B (en) * | 2007-06-06 | 2010-06-09 | 台达电子工业股份有限公司 | Projection device with speech reminding function and control method used for the same |
| CN101998714A (en) * | 2009-08-19 | 2011-03-30 | 松下电工株式会社 | Lighting apparatus and lighting fixture |
| CN101998714B (en) * | 2009-08-19 | 2013-09-25 | 松下电器产业株式会社 | Lighting apparatus and lighting fixture |
| CN101858512A (en) * | 2010-04-30 | 2010-10-13 | 王默文 | Lamp with timing reminding function |
| CN102404922A (en) * | 2010-08-27 | 2012-04-04 | 奥斯兰姆施尔凡尼亚公司 | End of life indicator for lamps |
| CN103969599B (en) * | 2013-01-31 | 2016-09-07 | 海洋王（东莞）照明科技有限公司 | Discharge time tested circuit by light fixture |
| CN103969599A (en) * | 2013-01-31 | 2014-08-06 | 海洋王（东莞）照明科技有限公司 | Test circuit for discharge time of lamp |
| CN104019962A (en) * | 2014-06-16 | 2014-09-03 | 南京融教科技有限公司 | Detection method and device for service life of projector |
| CN104019962B (en) * | 2014-06-16 | 2015-04-08 | 南京融教科技有限公司 | Detection method and device for service life of projector |
| CN106980223A (en) * | 2016-01-19 | 2017-07-25 | 精工爱普生株式会社 | The control method of projecting apparatus and projecting apparatus |
| CN106980223B (en) * | 2016-01-19 | 2021-02-26 | 精工爱普生株式会社 | Projector and control method of projector |
| WO2018121062A1 (en) * | 2016-12-30 | 2018-07-05 | 深圳市光峰光电技术有限公司 | Light source device and projector |
| CN110873996A (en) * | 2018-08-30 | 2020-03-10 | 中强光电股份有限公司 | Projection device and monitoring method of light source module |
| CN110873996B (en) * | 2018-08-30 | 2022-05-17 | 中强光电股份有限公司 | Projection device and monitoring method of light source module |
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