CN222580357U - A point light source system - Google Patents
A point light source system Download PDFInfo
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- CN222580357U CN222580357U CN202421417055.8U CN202421417055U CN222580357U CN 222580357 U CN222580357 U CN 222580357U CN 202421417055 U CN202421417055 U CN 202421417055U CN 222580357 U CN222580357 U CN 222580357U
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- light source
- point light
- source system
- main control
- power supply
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- 238000004891 communication Methods 0.000 claims abstract description 20
- 239000013307 optical fiber Substances 0.000 claims description 27
- 239000011324 bead Substances 0.000 claims description 18
- 230000017525 heat dissipation Effects 0.000 claims description 13
- 230000004044 response Effects 0.000 claims description 2
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 23
- 239000003086 colorant Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000001502 supplementing effect Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model relates to a point light source system, which comprises a U-shaped bottom plate, and a point light source unit, a main control unit and a power supply unit which are fixed on the U-shaped bottom plate and are mutually connected. Through the color wheel device, the lens can emit light sources with various colors, and the color requirements of different light sources in the liquid crystal panel production process are met. The main control board and the communication board realize the communication between the point light source machine and the upper computer, support the automatic operation of the color wheel device, facilitate the selection of the working mode and the observation of the operation state by the staff, and the position sensor can automatically correct the position of the color wheel disc, thereby ensuring the accurate positioning of the filter and having good practicability.
Description
Technical Field
The utility model relates to the technical field of liquid crystal panel technology, in particular to a point light source system.
Background
The liquid crystal display screen is used for screen display of televisions and computers, and the preparation process of the liquid crystal display panel mainly comprises three process sections, namely, firstly, an Array, a Cell, a metal halogen lamp, a CCD image sensor, a third module and a control unit, wherein the Array is driven by electrons in motion and arrangement of liquid crystal molecules, the corresponding color is accurately displayed by each pixel through ITO, the image change is accurate and quick, the Cell is a structure of the liquid crystal panel like a sandwich, liquid crystal is clamped between lower TFT glass and an upper color filter, a terminal Cell process manufactured by the liquid crystal panel, and the third module is used for integrating a driving IC (integrated circuit) of the liquid crystal substrate and a printed circuit board, the display signal received from a main control circuit can be transmitted to the driving IC to drive the liquid crystal molecules to rotate, and images are displayed.
An automatic optical detection mechanism for a liquid crystal module is disclosed in chinese patent CN204479864U, and comprises a first carrying jig for carrying the liquid crystal module, a first graphics signal generating device for transmitting image signals to the liquid crystal module placed on the first carrying jig, a first driving device for driving the first carrying jig and the first graphics signal generating device to move along a first guiding device arranged on a carrying platform, a CCD image sensor for capturing screen image information of the liquid crystal module for receiving the image signals, and a control unit for judging whether the liquid crystal module is qualified or not by receiving and processing the image information captured by the CCD image sensor.
However, in the working process of the CCD image sensor, when the CCD image sensor shoots at the dark light of the liquid crystal panel, shooting blurring is easily caused, and problems such as overexposure are caused by adopting a flash lamp, so that a photo is distorted.
Disclosure of Invention
The invention aims to provide a point light source system so as to solve the problem that light can not be accurately supplemented to a CCD image sensor in the prior art.
In order to achieve one of the above objects, an embodiment of the present utility model provides a point light source system, which includes a U-shaped base plate, and a point light source unit, a main control unit and a power supply unit which are fixed on the U-shaped base plate and connected to each other;
The point light source unit comprises an optical fiber interface arranged on one side of the U-shaped bottom plate, a heat dissipation device, a lens, a color wheel device and an LED lamp bead plate, wherein the lens is fixed on the heat dissipation device, the top of the lens faces the optical fiber interface, the color wheel device stretches into a gap between the lens and the optical fiber interface, the heat dissipation device comprises an LED lamp bead plate for providing a light source for the lens, and the LED lamp bead plate is arranged in the heat dissipation device and is abutted against one end, far away from the optical fiber interface, of the lens.
As a further improvement of an embodiment of the utility model, the main control unit comprises a main control board and a communication board connected with the main control board.
As a further improvement of an embodiment of the present utility model, the point light source unit further includes a position sensor;
The position sensor is used for detecting the rotation position of the color wheel device and feeding back the rotation position to the main control board to generate adjustment information.
As a further improvement of an embodiment of the present utility model, the point light source unit further includes a rotating electric machine;
The rotating motor responds to the adjustment information to adjust the color wheel device to rotate to the corresponding filter.
As a further improvement of an embodiment of the present utility model, the power supply unit includes a switching power supply and a dimming power supply;
The switching power supply is connected with the point light source unit and the main control unit, and the dimming power supply is connected with the LED lamp bead plate.
As a further improvement of an embodiment of the utility model, the outer wall of one side of the U-shaped bottom plate, which is provided with the optical fiber interface, is provided with a display screen and a key set;
The key set comprises a dimming knob, a color wheel selection switch, a manual lighting switch and an up-down button which are connected with the main control board, wherein an optical fiber interface is arranged at the center of the dimming knob, and an optical fiber path is parallel to the rotating shaft of the dimming knob.
As a further improvement of an embodiment of the utility model, the outer wall of the other side of the U-shaped bottom plate installation optical fiber interface is provided with an external power interface and a main switch which are connected with a switch power supply, and an Ethernet interface, a debugging interface and a plurality of communication interfaces which are connected with a communication board.
As a further improvement of an embodiment of the present utility model, the point light source system further includes a U-shaped cover plate;
The U-shaped cover plate is detachably connected with the U-shaped bottom plate.
As a further improvement of an embodiment of the utility model, the top side of the U-shaped cover plate comprises a plurality of heat dissipation fans connected with the switch power supply.
As a further improvement of an embodiment of the present utility model, the U-shaped bottom plate further includes four supporting angles disposed at the bottom.
Compared with the prior art, the point light source system provided by the utility model meets the light supplementing requirement of the CCD sensor by adopting the LED lamp bead plate, can effectively prolong the service life and reduce the energy consumption. Through the color wheel device, the lens can emit light sources with various colors, and the color requirements of different light sources in the liquid crystal panel production process are met. The main control board and the communication board realize the communication between the point light source machine and the upper computer, support the automatic operation of the color wheel device, facilitate the selection of the working mode and the observation of the operation state by the staff, and the position sensor can automatically correct the position of the color wheel disc, thereby ensuring the accurate positioning of the filter and having good practicability.
Drawings
Fig. 1 is a schematic diagram of a specific structure of a U-shaped base plate device and a point light source unit of the point light source system according to the present utility model.
Fig. 2 is a schematic structural diagram of a power supply unit, a main control unit and a front side of a U-shaped base plate of the point light source system according to the present utility model.
Fig. 3 is a schematic view of a color wheel device of the point light source system according to the present utility model.
Fig. 4 is a schematic view of the structure of the rear side of the U-shaped bottom plate of the point light source system according to the present utility model.
Fig. 5 is a schematic diagram of the overall model structure of the point light source system according to the present utility model.
Fig. 6 is a schematic diagram of a U-shaped cover plate of the point light source system according to the present utility model.
Fig. 7 is a schematic diagram of connection between a main control board and a communication board in an embodiment of the point light source system according to the present utility model.
Detailed Description
The present utility model will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the utility model and structural, methodological, or functional modifications of these embodiments that may be made by one of ordinary skill in the art are included within the scope of the utility model.
Terms such as "upper," "above," "lower," "below," and the like, as used herein, refer to a spatial relative position, and are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The term spatially relative position may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In a first embodiment of the present utility model, as shown in fig. 1, the present utility model provides a point light source system, which includes a U-shaped base plate 100, and a point light source unit 110, a main control unit 120 and a power supply unit 130 which are fixed on the U-shaped base plate 100 and are connected to each other;
As shown in fig. 1, the point light source unit 110 includes an optical fiber interface 111 disposed at one side of the U-shaped bottom plate 100, a heat dissipating device 112, a lens 113 fixed to the heat dissipating device 112 and having a top facing the optical fiber interface 111, and a color wheel device 114 having one side extending into a gap between the lens 113 and the optical fiber interface 111, wherein the heat dissipating device 112 includes an LED lamp bead plate 115 for providing a light source for the lens 113, and the LED lamp bead plate 115 is disposed in the heat dissipating device 112 and abuts against one end of the lens 113 away from the optical fiber interface 111.
Specifically, the LED bead plate 115 may be an LED bead plate with a size KW celnm2.tk, and a brightness S5 or more, and the LED bead plate 115 emits light with a intensity of not less than 4000 lumens, so as to meet the light-supplementing requirement of the CCD camera, and supplement light to the dark light portion of the liquid crystal panel, so that the CCD image sensor photographs clearly.
Further, as shown in fig. 2, the main control unit 120 includes a main control board 121 and a communication board 122 connected to the main control board 121.
Further, as shown in fig. 1 and 2, the point light source unit 110 further includes a position sensor 116, and the position sensor 116 is configured to detect a rotation position of the color wheel device 114 and feed back the rotation position to the main control board 121 to generate adjustment information.
Further, as shown in fig. 1 and 2, the point light source unit 110 further includes a rotating motor 117, and the rotating motor 117 adjusts the color wheel device 114 to rotate to the corresponding filter 118 in response to the adjustment information.
Specifically, when the rotation motor 117 stops rotating or the point light source system is oscillated by an external force, the color wheel device 114 rotates by a small angle due to inertia, and when the rotation motor 117 rotates again, there may be a deviation in the position of the filter 118 on the color wheel device 114. Therefore, a position sensor 116 for detecting the rotation position of the color wheel device 114 is provided, and the position sensor 116 is connected to the main control board 121, and when the color wheel device 114 is not at the starting position, the position sensor 116 can adjust the color wheel device 114 to the starting position so as to meet the working requirement.
Specifically, the color wheel device 114 is embedded with a plurality of filters 118 with different colors, and the center position of each filter 118 can be aligned with the center line of the optical fiber interface 111 and the lens 113 by rotation.
Specifically, as shown in FIG. 3, the filters 118 include a white filter 118-a, a red filter 118-b, a green filter 118-c, a blue filter 118-d, and a yellow filter 118-e.
It should be noted that, in the process of preparing the liquid crystal panel, different color light sources are sometimes required, for example, blue light cannot be available in the process of curing the liquid crystal panel, and yellow light is generally adopted, so in order to be able to select different color light sources, the color wheel device 114 is added, so that the lens 113 can emit multiple color light sources, and the color requirement of the light source in the process of producing the liquid crystal panel is met. In addition, through the main control board 121 and the communication board 122, the point light source system can communicate with the upper computer, so as to meet the automatic operation requirement of the color wheel device 114.
Further, as shown in fig. 2, the power supply unit 130 includes a switching power supply 131 and a dimming power supply 132, the switching power supply 131 is connected to the point light source unit 110 and the main control unit 120, and the dimming power supply 132 is connected to the LED lamp bead board 115.
Specifically, the switching power supply 131 is connected with the main control board 121 to control each component in the point light source system, and the dimming power supply 132 is also connected with the main control board 121. To control the light output of the LED bead plate 115.
Further, as shown in fig. 2, the outer wall of the side of the U-shaped bottom plate 100, on which the optical fiber interface 111 is installed, is provided with a display screen 101 and a key set 102, wherein the display screen 101 is connected with a main control board 121;
The key set 102 comprises a dimming knob 102-a, a color wheel selection switch 102-b, a manual lighting switch 102-c and an up-down button 102-d, which are connected with a main control board 121, wherein an optical fiber interface 111 is arranged at the center of the dimming knob 102-a, and the optical fiber path is parallel to the rotation axis of the dimming knob 102-a.
Specifically, by setting the key set 102, an operator can manually adjust the point light source system to select different working modes, and meanwhile, by setting the display screen 101, the operator can conveniently observe the working state of the point light source system.
Further, as shown in fig. 4, the outer wall of the other side of the U-shaped base plate 100, where the optical fiber interface 111 is installed, is provided with an external power interface 103 and a main switch 104 connected with a switching power supply 131, and an ethernet interface 105, a debug interface 106 and a plurality of communication interfaces 107 connected with a communication board 122.
Further, as shown in the figure, the point light source system further includes a U-shaped cover 200, and the connection mode between the U-shaped cover 200 and the U-shaped bottom plate 100 is detachable connection.
Optionally, the connection mode may be a detachable connection formed by screw connection.
Specifically, by providing the U-shaped bottom plate 100 and the U-shaped cover plate in detachable connection, later maintenance, overhaul and replacement of other components in the system can be facilitated.
Further, as shown in fig. 6, the top side of the U-shaped cover 200 includes a plurality of heat dissipation fans 201 connected to the switching power supply.
Specifically, the heat dissipation device 112 and the heat dissipation fan 201 are connected with the switching power supply 131, and the service life of the point light source system can be effectively prolonged by dissipating heat of parts in the point light source system.
Further, the U-shaped bottom plate 100 further includes four support corners 108 disposed at the bottom.
Specifically, as shown in fig. 7, when the point light source device provided by the utility model is used, an optical fiber is inserted into the optical fiber interface 111, the master switch 104 is shifted, communication connection with an upper computer is completed through the communication interface 107, at this time, the switch power supply 131 is electrified, the LED lamp bead plate 115 is lighted, the communication plate 122 receives adjustment information from the upper computer and sends the adjustment information to the main control plate 121, the main control plate 121 controls the color wheel device 114 and the LED lamp bead plate 115 to select different color light sources and light intensities, so that the light supplementing requirement on the CCD image sensor is completed, and the CCD image sensor shoots a clear liquid crystal panel image.
In summary, according to the point light source system provided by the utility model, the LED lamp bead plate is adopted, so that the light supplementing requirement of the CCD sensor is met, the service life is effectively prolonged, and the energy consumption is reduced. Through the color wheel device, the lens can emit light sources with various colors, and the color requirements of different light sources in the liquid crystal panel production process are met. The main control board and the communication board realize the communication between the point light source machine and the upper computer, support the automatic operation of the color wheel device, facilitate the selection of the working mode and the observation of the operation state by the staff, and the position sensor can automatically correct the position of the color wheel disc, thereby ensuring the accurate positioning of the filter and having good practicability.
It should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined as appropriate to form other embodiments that will be understood by those skilled in the art.
The above list of detailed descriptions is only specific to practical embodiments of the present utility model, and they are not intended to limit the scope of the present utility model, and all equivalent embodiments or modifications that do not depart from the spirit of the present utility model should be included in the scope of the present utility model.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421417055.8U CN222580357U (en) | 2024-06-20 | 2024-06-20 | A point light source system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421417055.8U CN222580357U (en) | 2024-06-20 | 2024-06-20 | A point light source system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222580357U true CN222580357U (en) | 2025-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421417055.8U Active CN222580357U (en) | 2024-06-20 | 2024-06-20 | A point light source system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222580357U (en) |
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2024
- 2024-06-20 CN CN202421417055.8U patent/CN222580357U/en active Active
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