CN210119338U - Brightness measuring device for projector - Google Patents
Brightness measuring device for projector Download PDFInfo
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- CN210119338U CN210119338U CN201920759931.8U CN201920759931U CN210119338U CN 210119338 U CN210119338 U CN 210119338U CN 201920759931 U CN201920759931 U CN 201920759931U CN 210119338 U CN210119338 U CN 210119338U
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- projector
- mounting plate
- control box
- bearing pad
- mounting panel
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Abstract
The utility model discloses a luminance measuring device for projector, fill up, control box, photosensitive induction ware I, information transmission line, photosensitive induction ware II, spacing mouth, nail tip, fixed baseplate, clamping screw and cushion including horizontal mounting panel, longitudinal installation board, pivot, fixed subassembly, bearing. The utility model has the advantages that: the device adopts a unique mounting structure, the device is mounted on the shell of the projector, and the wiring connection is convenient, so that the working space is effectively saved; the structure is simple, no extra work burden is generated on the projector, and especially, the longitudinal installation plate and the projector are separated by a certain distance through the bearing pad, so that the projector is prevented from being extruded by the installation plate, and simultaneously, the signal interference caused by the control box to the original inside the projector is also prevented; and secondly, the connection structure of the device node can flexibly rotate, so that the device is convenient to install, and the device does not need to be disassembled in the later maintenance process of the projector.
Description
Technical Field
The utility model relates to a luminance measuring device specifically is a luminance measuring device for projector, belongs to projecting apparatus equipment field.
Background
With the rapid development of informatization, a multimedia classroom becomes an important place for developing multimedia teaching and network teaching in universities and schools, and the maintenance and management of equipment become important work of daily teaching guarantees.
The existing brightness measuring device for the projector still has certain defects in design, which are specifically shown as follows: the common brightness measuring device for the projector is often installed independently in the using process, occupies a certain working space, brings certain hidden danger to using safety due to long-distance arrangement of lines, and is used for measuring the brightness of front light of the projector, neglecting the influence of external environment on the brightness and enabling measuring results in different periods to be possibly different.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a luminance measuring device for projector just in order to solve above-mentioned problem, the utility model has the advantages of convenient to use, strong adaptability.
The utility model realizes the above purpose by the following technical proposal, a brightness measuring device for a projector comprises a transverse mounting plate positioned at the top end of the device, a longitudinal mounting plate vertically mounted with the transverse mounting plate, a rotating shaft connecting the two mounting plates, a control box, and a photosensitive sensor I and a photosensitive sensor II respectively mounted on the front and the rear casing of the control box, wherein a fixed component is mounted below one end of the transverse mounting plate far away from the longitudinal mounting plate, a bearing pad with right-angled inner angle is arranged below one end of the transverse mounting plate close to the longitudinal mounting plate, the control box is mounted at the bottom of the longitudinal mounting plate, a plurality of information transmission lines connected with the projector are arranged on the inner wall of the control box, a strip-shaped limit mouth is arranged in the middle of the surface of the transverse mounting plate, the fixed component comprises a fixed base mounted on the top surface of the projector and a nail arranged at the bottom of the transverse mounting plate, the fixed base is installed on the projector through a fixed bolt installed at the bottom of the fixed base.
Preferably, the contained angle that forms the change through the pivot between horizontal mounting panel and the vertical mounting panel, the contained angle scope is 90 ~ 150 degrees, makes vertical mounting panel can use the pivot to vertically rotate as the axle center to at horizontal mounting panel beginning installation and later stage when maintaining the projecting apparatus, can overturn certain angle, convenient operation.
Preferably, a buffer cushion is arranged between the inner wall of the longitudinal mounting plate and the side face corresponding to the bearing pad, the buffer cushion is locked by rotating along the side face of the longitudinal mounting plate corresponding to the bearing pad, and the contact surface structure between the longitudinal mounting plate and the bearing pad is protected by the buffer cushion.
Preferably, the side wall of the fixed base is provided with a notch matched with the tip end of the nail tip, and the fixed base and the nail tip can be conveniently detached while being stably installed through the meshed connecting structure.
Preferably, photosensitive induction ware I installs the homonymy at the projecting apparatus image projecting lens, photosensitive induction ware II installs the homonymy at the projecting apparatus back, makes photosensitive induction ware I can gather the projecting apparatus head portrait and is the produced light intensity data of front, simultaneously, gathers the light intensity data of place environment through photosensitive induction ware II to can help the inside treater of control box to carry out the data contrast and fall the back of making an uproar, accurate measurement projecting apparatus's luminance.
Preferably, the edge of the limit port is of an arc-shaped structure, and the fixing frame arranged at the top of the projector can be stably positioned above the device by utilizing the structure of the limit port.
The utility model has the advantages that: the device adopts a unique mounting structure, the device is mounted on the projector shell, and the wiring connection is convenient, so that the working space is effectively saved, the device is integrally portable and simple in structure, no extra working burden is generated on the projector, and especially, a certain distance is separated between the longitudinal mounting plate and the projector through the bearing pad, so that the mounting plate is prevented from extruding the projector, and simultaneously, the signal interference caused by a control box to an original inside the projector can be prevented; secondly, the connection structure of the device node can flexibly rotate, so that the device is convenient to install, the device does not need to be disassembled in the later maintenance process of the projector, and the applicability is strong. The device has the advantages of convenient installation, space saving, strong adaptability and the like.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the working mode of the rotating shaft of the present invention.
Fig. 3 is the installation schematic diagram of the photosensitive leaflet device II of the present invention.
Fig. 4 is a top view of the horizontal mounting plate of the present invention.
Fig. 5 is an enlarged view of the area a of the present invention.
Fig. 6 is an enlarged view of the detail of the area B of the present invention.
In the figure: 1. horizontal mounting panel, 2, vertical mounting panel, 3, pivot, 4, fixed subassembly, 5, bearing pad, 6, control box, 7, photosensitive induction ware I, 8, information transmission line, 9, photosensitive induction ware II, 10, spacing mouth, 11, nail tip, 12, fixed baseplate, 13, clamping screw, 14, blotter.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1 and 3, a brightness measuring device for a projector includes a horizontal mounting plate 1 at the top of the device, a vertical mounting plate 2 installed perpendicular to the horizontal mounting plate 1, a rotating shaft 3 connecting the two mounting plates, a control box 6, and a photosensitive sensor I7 and a photosensitive sensor II9 installed on the front and rear two surface of the control box 6, respectively, a fixing component 4 is installed below one end of the horizontal mounting plate 1 away from the vertical mounting plate 2, a bearing pad 5 with a right-angled inner angle of 7 shape is installed below one end of the horizontal mounting plate 1 close to the vertical mounting plate 2, the control box 6 is installed at the bottom of the vertical mounting plate 2, a plurality of information transmission lines 8 connected with the projector are installed on the inner wall of the control box 6, a strip-shaped limiting opening 10 is installed in the middle of the plate surface of the horizontal mounting plate 1, the fixing component 4 includes a fixing base 12 installed on the top surface of the projector and a nail tip 11 installed at the, the fixed base 12 is mounted on the projector by a fixing bolt 13 mounted at the bottom thereof.
Please refer to fig. 1 to fig. 3, which is different from the above structure in that: a variable included angle is formed between the transverse mounting plate 1 and the longitudinal mounting plate 2 through the rotating shaft 3, the included angle ranges from 90 degrees to 150 degrees, so that the longitudinal mounting plate 2 can longitudinally rotate by taking the rotating shaft 3 as an axis, and therefore, when the transverse mounting plate 1 is installed and a projector is maintained in the later period, the projector can be turned over by a certain angle, and the operation is convenient; a buffer cushion 14 is arranged between the inner wall of the longitudinal mounting plate 2 and the corresponding side surface of the bearing pad 5, the buffer cushion 14 rotates and locks the side surface of the bearing pad 5 along with the longitudinal mounting plate 2, and the buffer cushion 14 protects the contact surface structure between the longitudinal mounting plate 2 and the bearing pad 5; the side wall of the fixed base 12 is provided with a notch matched with the tip end of the nail tip 11, and the fixed base 12 and the nail tip 11 can be conveniently detached while being stably installed through a meshed connecting structure; the photosensitive sensor I7 is installed on the same side of the projector imaging lens, the photosensitive sensor II9 is installed on the same side of the back of the projector, so that the photosensitive sensor I7 can collect light intensity data generated by the front of the head image of the projector, and meanwhile, the photosensitive sensor II9 collects light intensity data of the environment, so that a processor in the control box 6 can be helped to perform data comparison and noise reduction, and then the brightness of the projector can be accurately measured; the edge of the limit port 10 is of an arc-shaped structure, and the fixing frame installed at the top of the projector can be stably positioned above the device by utilizing the structure of the limit port 10.
When the utility model is used, firstly, the user needs to measure the size data of the projector, the matching distance between the fixed base 12 and the bearing pad 5 is determined by combining the size of the device, reasonable installation is carried out, when in installation, the fixed base 12 is firstly installed on the top cover of the projector and is fixed by the fixing screw 13, then, the nail tip 11 below the transverse installation plate 1 is aligned with the notch of the fixed base 12 for meshing installation, the vertical inner angle of the bearing pad 5 is matched with the edge of the top surface of the projector, thereby giving the basic fixed structure of the device, the fixed frame of the projector is positioned in the limit port 10 for normal work, then, the longitudinal installation plate 2 is longitudinally rotated by the rotating shaft 3, the inner wall of the longitudinal installation plate 2 is close to the bearing pad 5, and the cushion pad 14 is utilized to buffer the contact pressure for buffering, so as to ensure the stable structure of the projector, the information transmission line 8 is connected to the projector, the control box 6 starts to work after being distributed to a power supply of the projector, the light-sensitive sensor I7 and the light-sensitive sensor II9 (the model is LXD/GB5-A1DPH) respectively monitor the brightness of the front side and the back side of the projector, data are transmitted into the control box 6, and the brightness data of the projector are obtained through measurement and calculation of devices in the control box 6.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments that those skilled in the art can understand.
Claims (6)
1. The utility model provides a luminance measuring device for projector, is including horizontal mounting panel (1) that is located the device top, vertical mounting panel (2), two of connection of perpendicular installation with horizontal mounting panel (1) pivot (3), control box (6) of mounting panel and install photosensitive induction ware I (7), photosensitive induction ware II (9) on the two sides casing around control box (6) respectively, its characterized in that: a fixing component (4) is installed below one end, far away from the longitudinal mounting plate (2), of the transverse mounting plate (1), a bearing pad (5) with a right-angled inner angle in a shape like '7' is arranged below one end, close to the longitudinal mounting plate (2), of the transverse mounting plate (1), the control box (6) is installed at the bottom of the longitudinal mounting plate (2), a plurality of information transmission lines (8) connected with a projector are arranged on the inner wall of the control box (6), and a strip-shaped limiting opening (10) is formed in the middle of the surface of the transverse mounting plate (1);
the fixing component (4) comprises a fixing base (12) installed on the top surface of the projector and a nail tip (11) arranged at the bottom of the transverse mounting plate (1), and the fixing base (12) is installed on the projector through a fixing bolt (13) installed at the bottom of the fixing base.
2. A luminance measuring apparatus for a projector as set forth in claim 1, wherein: the horizontal mounting plate (1) and the vertical mounting plate (2) form a variable included angle through the rotating shaft (3), and the included angle range is 90-150 degrees.
3. A luminance measuring apparatus for a projector as set forth in claim 2, wherein: the utility model discloses a bearing pad, including bearing pad (5), vertical mounting panel (2) inner wall with install blotter (14) between the side that bearing pad (5) correspond, just blotter (14) are followed vertical mounting panel (2) are to the side rotation locking of bearing pad (5).
4. A luminance measuring apparatus for a projector as set forth in claim 1, wherein: the side wall of the fixed base (12) is provided with a notch matched with the tip end of the nail tip (11).
5. A luminance measuring apparatus for a projector as set forth in claim 1, wherein: the photosensitive sensor I (7) is installed on the same side of the projector imaging lens, and the photosensitive sensor II (9) is installed on the same side of the back of the projector.
6. A luminance measuring apparatus for a projector as set forth in claim 1, wherein: the edge of the limiting opening (10) is of an arc-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920759931.8U CN210119338U (en) | 2019-05-24 | 2019-05-24 | Brightness measuring device for projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920759931.8U CN210119338U (en) | 2019-05-24 | 2019-05-24 | Brightness measuring device for projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210119338U true CN210119338U (en) | 2020-02-28 |
Family
ID=69614689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920759931.8U Active CN210119338U (en) | 2019-05-24 | 2019-05-24 | Brightness measuring device for projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210119338U (en) |
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2019
- 2019-05-24 CN CN201920759931.8U patent/CN210119338U/en active Active
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