CN208636644U - A kind of auto-focusing projector and its caliberating device - Google Patents
A kind of auto-focusing projector and its caliberating device Download PDFInfo
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- CN208636644U CN208636644U CN201821329016.7U CN201821329016U CN208636644U CN 208636644 U CN208636644 U CN 208636644U CN 201821329016 U CN201821329016 U CN 201821329016U CN 208636644 U CN208636644 U CN 208636644U
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Abstract
The utility model discloses a kind of auto-focusing projector and its caliberating devices, projector lens are measured by range finder module the distance between to curtain, if apart from wrong, then projector lens are carried out apart from adjusting by focusing module, so that the distance of projector lens to curtain is consistent with the calibrating parameters of projector itself, angle modulation fast speed, it is ensured that the display effect on curtain；A kind of caliberating device of the utility model, industrial personal computer controls mobile device and drives projector mobile, by display content of the detection device real-time detection projector on curtain, and it exports to industrial personal computer, industrial personal computer is according to showing the clarity of content come the distance between projector and curtain when judging that image is clearest on curtain on curtain, and be output in projector in this, as calibrating parameters, it can be quickly obtained the calibrating parameters of projector by the caliberating device of the utility model, realize batch production.
Description
Technical field
The utility model relates to projection display technique field, especially a kind of auto-focusing projector and its caliberating device.
Background technique
Projector is widely applied in teaching and work, but most projector is not fixed but can
Mobile, projector requires to focus after each movement, and current existing projector auto-focusing scheme is all desirable
A fixed focusing patterns are exported as focusing resolution standard reference, optics is adjusted by the clarity that camera analyzes pattern
Camera lens reaches focusing purpose, and this method influences current projection viewing content and speed is slow, there is apparent adjustment change procedure,
It experiences poor；Also have by getting off current pattern is static, adjust foundation as clarity, but this method can be by Current projection
The influence regulating effect of appearance will lead to focusing failure when serious.
And since there are the factors such as optical system parameter difference and housing tolerance, installation accuracy for every projector individual
Influence, cause each projector same projection distance under camera lens adjustment amount it is all inconsistent, can not with identical parameter
Batch production.
Utility model content
To solve the above problems, the purpose of this utility model is to provide a kind of auto-focusing projector and its calibration dresses
It sets, focusing work is completed by directly adjusting camera lens to the distance of curtain, adjustment speed is fast, while can be with by caliberating device
The parameter of projector is demarcated, realizes batch production.
The technical solution adopted by the utility model to solve the problem is as follows:
A kind of auto-focusing projector, including the projector lens for projecting image on curtain and to projector
The Focusing module that camera lens is focused, the Focusing module include the focusing module focused for Mobile projector camera lens with
And the data of measurement are sent focusing mould by the range finder module for measuring projector lens to curtain distance, the range finder module
Block, the focusing module is according to measurement data Mobile projector lens location.
Further, the Focusing module further includes for detecting whether projector occurs mobile sensing detection module, institute
It states after range finder module receives the detection signal of sensing detection module and starts ranging.Sensing detection module can be focused with automatic trigger
The work of module, at any time can real-time perfoming focusing during mobile projector instrument.
Further, the sensing detection module is that acceleration sensor, gyroscope, mechanical vibration sensor or mechanical tilt are opened
One of close.
Further, further include master controller, the master controller respectively with focusing module, range finder module and sensing detection
Module connection.Main control is for carrying out data processing and data transmission.
Further, the focusing module includes motor, and the range finder module includes infrared range-measurement system.
It further, further include the key module of manual triggering Focusing module, the key module is connect with master controller.It presses
Key module can be triggered manually and be focused.
A kind of caliberating device, including for moving the auto-focusing projector mobile device, thrown for projector
The curtain of shadow shows the detection device of content and carries out mobile industry control for controlling mobile device for detecting on curtain
Machine, the industrial personal computer are connected with mobile device, detection device respectively, and the industrial personal computer is adjusted according to the output of detection device and moved
The position of device, the industrial personal computer output calibrating parameters are into projector.
Further, further include the operation platform mobile for mobile device, be provided with guide rail on the operation platform.
Further, the mobile device is moving trolley, and the moving trolley moves on operation platform.
Further, the detection device is industrial camera.
The beneficial effects of the utility model are: a kind of auto-focusing projector that the utility model uses, is filled by ranging
Detection projector lens are set the distance between to curtain, then focusing module further according to apart from de-regulation projector lens away from
From achieving the purpose that focusing by the adjusting of distance, realize that process is relatively simple, adjustment speed is very fast；
A kind of caliberating device of the utility model, industrial personal computer controls mobile device and drives projector mobile, in mobile mistake
Cheng Zhong, projector are projected out image on curtain, by the display content on detection device real-time detection curtain, and export to industry control
Machine, industrial personal computer is according to showing the clarity of content come when judging that image is clearest on curtain between projector and curtain on curtain
Distance, and be output in projector in this, as calibrating parameters, it can be quickly obtained by the caliberating device of the utility model
The calibrating parameters of projector realize batch production.
Detailed description of the invention
The utility model is described in further detail with example with reference to the accompanying drawing.
Fig. 1 is a kind of functional block diagram of auto-focusing projector of the utility model；
Fig. 2 is a kind of focusing schematic diagram of auto-focusing projector of the utility model；
Fig. 3 is a kind of top view of caliberating device of the utility model；
Fig. 4 is a kind of side view of caliberating device of the utility model.
Specific embodiment
- Fig. 2 referring to Fig.1, a kind of auto-focusing projector of the utility model, including projector lens 1 and Focusing module
2, Focusing module 2 can detecte projector lens 1 and arrive the distance between curtain 20, if distance and calibrating parameters are not inconsistent, mould of focusing
Block 2 can control the movement of projector lens 1 so that projector lens 1 arrive the distance between curtain 20, this reality consistent with calibrating parameters
The focusing that projector lens 1 are realized with the novel control by adjusting the distance, compared to other with content clarity on curtain 20
As more quickly, and clarity is higher, and cost is relatively low for the projector of focusing foundation.
Specifically, the Focusing module 2 of the utility model includes focusing module 21, range finder module 22 and sensing detection module
23, wherein range finder module 22 can measure projector lens 1 the distance between to curtain 20, if measured by range finder module 22 away from
Different from from calibrating parameters, then focusing module 21 moves projector lens 1, so that projector lens 1 arrive curtain 20
Distance is consistent with calibrating parameters, guarantees that the content shown on curtain 20 is relatively clear.
And whether the effect of sensing detection module 23 is moved for detecting projector, when projector moves
Afterwards, 1 Focus Club of projector lens changes, and sensing detection module 23 detects that automatic trigger is focused after projector moves
Module 2 carries out focusing work.
The utility model further includes a master controller 3, for handle modules data and by the data of processing into
Mobile message is transferred to master controller 3, master control when sensing detection module 23 detects that projector occurs mobile by row transmission
Control Focusing module 2 is started to work after device 3 processed receives mobile message, and wherein range finder module 22 starts to measure projector lens 1
The distance between to curtain 20, and the distance information transmission of measurement is returned into master controller 3, master controller 3 according to range information with
Calibrating parameters compare, if range information has differences with calibrating parameters, the output of master controller 3 control information to focusing mould
Block 21 moves projector lens 1 by focusing module 21, so that projector lens 1 are joined to the distance of curtain 20 and calibration
Number is consistent.
And for the case where the focusing that should need to be switched on later to projector mobile under off-mode, the utility model is set
Key module 4 has been set, Focusing module 2 can be triggered by key module 4 manually and worked, wherein on pressing the button module 4
After key, master controller 3 receives information and controls the start-up operation of range finder module 22, realizes focusing.
Specifically, sensing detection module 23 is acceleration sensor, gyroscope, mechanical vibration sensor or mechanical tilt switch
One of, embodiment specifically does not limit, as long as the sensor that can detect that projector is deviated belongs to
The sensing detection module 23 of the utility model.
Specifically, focusing module 21 includes motor.
Specifically, range finder module 22 includes infrared range-measurement system, is also possible to infrared LED or infrared laser, this is practical new
The range finder module 22 of type is not limited to infrared distance measuring device, other any sensors or device for measuring distance belong to
The range finder module 22 of the utility model.
And due to the influence of the factors such as system parameter difference and housing tolerance, installation accuracy, the tune of each projector
Burnt parameter list is all inconsistent, if the projector clarity meeting difference for producing in batches out is very with identical focusing parameter
Greatly, so that not being available, the utility model provides a kind of calibration for generating to each projector and matching itself Focusing parameter
Device can make each projector work that will throw in optimum state optics referring to a kind of Fig. 3-caliberating device shown in Fig. 4
Shadow instrument is placed in mobile device 10, controls mobile device 10 by industrial personal computer 40 and projector is driven to be moved, be moved to pre-determined bit
It postpones, start the focus function of projector and is projected out pattern on curtain 20, on the synchronous detection curtain 20 of detection device 30
Content, and the clarity that content is shown on curtain 20 is transferred to industrial personal computer 40, industrial personal computer 40 is transmitted according to detection device 30
Data and projector are calculated to the distance between curtain 20, are transferred to projector after generating calibrating parameters, so far each
Platform projector can be obtained with itself matched focusing parameter, due to calibration process more rapidly and simply, it is possible to it is real
The batch production of existing projector.
Specifically, detection device 30 is arranged in 10 side of mobile device, can acquire the image information on curtain in real time,
And the information of acquisition is transferred to industrial personal computer 40.
Specifically, the utility model further includes operation platform 50, and guide rail is provided on operation platform 50, and mobile device 10 is
Moving trolley, moving trolley can move on operation platform 50.
Specifically, detection device 30 is industrial camera.
The above, the only preferred embodiment of the utility model, the utility model are not limited to above-mentioned implementation
Mode, as long as its technical effect for reaching the utility model with identical means, all should belong to the protection scope of the utility model.
Claims (10)
1. a kind of auto-focusing projector, it is characterised in that: including for projecting image onto projector's mirror on curtain (20)
Head (1) and the Focusing module (2) focused to projector lens (1), the Focusing module (2) include being used for mobile projector
Focusing module (21) that machine camera lens (1) is focused and the ranging that curtain (20) distance is arrived for measuring projector lens (1)
Module (22), the range finder module (22) send the data of measurement to focusing module (21), focusing module (21) basis
Measurement data Mobile projector camera lens (1) position.
2. a kind of auto-focusing projector according to claim 1, it is characterised in that: the Focusing module (2) further includes
For detecting whether projector occurs mobile sensing detection module (23), the range finder module (22) receives sensing detection mould
Start ranging after the detection signal of block (23).
3. a kind of auto-focusing projector according to claim 2, it is characterised in that: the sensing detection module (23) is
One of acceleration sensor, gyroscope, mechanical vibration sensor or mechanical tilt switch.
4. a kind of auto-focusing projector according to claim 2, it is characterised in that: it further include master controller (3), it is described
Master controller (3) is connect with focusing module (21), range finder module (22) and sensing detection module (23) respectively.
5. a kind of auto-focusing projector according to claim 1, it is characterised in that: the focusing module (21) includes electricity
Machine, the range finder module (22) includes infrared range-measurement system.
6. a kind of auto-focusing projector according to claim 4, it is characterised in that: further include manual triggering Focusing module
(2) key module (4), the key module (4) connect with master controller (3).
7. a kind of caliberating device, it is characterised in that: including for moving any auto-focusing projector of claim 1-6
Mobile device (10), the curtain (20) projected for projector, for detecting the detection device for showing content on curtain (20)
(30) and for controlling mobile device (10) it carries out mobile industrial personal computer (40), the industrial personal computer (40) is respectively and mobile device
(10), detection device (30) connects, and the industrial personal computer (40) adjusts mobile device (10) according to the output of detection device (30)
Position, industrial personal computer (40) the output calibrating parameters are into projector.
8. a kind of caliberating device according to claim 7, it is characterised in that: further include the fortune mobile for mobile device (10)
Row platform (50) is provided with guide rail on the operation platform (50).
9. a kind of caliberating device according to claim 8, it is characterised in that: the mobile device (10) is moving trolley,
The moving trolley moves on operation platform (50).
10. a kind of caliberating device according to claim 7, it is characterised in that: the detection device (30) is industry camera shooting
Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821329016.7U CN208636644U (en) | 2018-08-16 | 2018-08-16 | A kind of auto-focusing projector and its caliberating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821329016.7U CN208636644U (en) | 2018-08-16 | 2018-08-16 | A kind of auto-focusing projector and its caliberating device |
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| Publication Number | Publication Date |
|---|---|
| CN208636644U true CN208636644U (en) | 2019-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821329016.7U Active CN208636644U (en) | 2018-08-16 | 2018-08-16 | A kind of auto-focusing projector and its caliberating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114740681A (en) * | 2022-04-19 | 2022-07-12 | 深圳市和天创科技有限公司 | Intelligent distance measurement adjusting system of single-chip liquid crystal projector with rotary lens |
-
2018
- 2018-08-16 CN CN201821329016.7U patent/CN208636644U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114740681A (en) * | 2022-04-19 | 2022-07-12 | 深圳市和天创科技有限公司 | Intelligent distance measurement adjusting system of single-chip liquid crystal projector with rotary lens |
| CN114740681B (en) * | 2022-04-19 | 2023-10-03 | 深圳市和天创科技有限公司 | Intelligent ranging adjustment system of monolithic liquid crystal projector with rotary lens |
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Effective date of registration: 20201027 Address after: 518000 Hedong building, Haoyunlai Plaza, Baoan District, Hedong community, Xixiang street, Bao'an District, Shenzhen City, Guangdong Province f5-017 Patentee after: SHENZHEN LETAE INTELLIGNET TECHNOLOGY Co.,Ltd. Address before: One of the 1st Floor of No. 3 Jinyi Road, Pengjiang District, Jiangmen City, Guangdong Province Patentee before: JIANGMEN LEIWOSI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |