CN213126537U - A diffuse light source power supply circuit board structure for scanning of linear CCD sensor - Google Patents
A diffuse light source power supply circuit board structure for scanning of linear CCD sensor Download PDFInfo
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- CN213126537U CN213126537U CN202022423523.0U CN202022423523U CN213126537U CN 213126537 U CN213126537 U CN 213126537U CN 202022423523 U CN202022423523 U CN 202022423523U CN 213126537 U CN213126537 U CN 213126537U
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- supply circuit
- circuit board
- power supply
- light source
- ccd sensor
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Abstract
The utility model discloses a diffuse light source supply circuit board structure for linear CCD sensor scanning relates to diffuse light source technical field, including the lamp shade, the top side of lamp shade is provided with the supply circuit board main part, and the top surface of supply circuit board main part is provided with connects the electrical contact pilotage, and the top side of lamp shade runs through there is the threading groove board. The utility model provides a fin can carry out effectual heat dissipation to supply circuit structure, it has the ventilation hole to run through on second fin and lamp shade end wall in addition, can improve the air mobility around the second fin, connect the electrical contact needle can be directly peg graft with connecing on the CCD sensor scanner, there is magnet to adsorb on the scanner in addition, the convenience carries out the plug to the supply circuit board main part, the fixed LED lamp area fixed plate of slope is convenient directly to be laid LED lamp area, overall structure is simple, and heat dispersion is stronger, need not to occupy great space.
Description
Technical Field
The utility model relates to a diffuse light source technical field especially relates to a diffuse light source supply circuit board structure for linear CCD sensor scanning.
Background
CCD sensor, made of a semiconductor material with high light sensitivity, can convert light into electric charge, and convert the electric charge into digital signals through an analog-to-digital converter, and the digital signals are processed by a computer. At present, the method is widely applied to the surface flaw detection of industrial products. In particular to the detection of various defects on the surface of a product.
At present, in CCD sensor scanning sample process, the luminance and the stability of illumination source directly influence the dynamic range and the precision of CCD sensor scanning sample, and illumination source's luminance is high and stability is good, then can acquire more accurate sample data, wideer dynamic range to adapt to more sample types.
At present, light source is mostly LED light source, if improve the luminance of illumination, will very big degree receive LED light source's radiating restriction, to the check out test set in the work, the space of on-the-spot installation is limited, too big light source heat dissipation is very improper also not easy to assemble, moreover, rocking in the course of the work, because the big inertia of the weight of LED light source (configuration heat dissipation) is big, can influence the stability of light source, the accuracy of CCD sensor scanning sample also can be influenced in the production of shake.
Therefore, the lighting source power supply structure which is suitable and convenient to install, high in heat dissipation efficiency and small in size is constructed and is the problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a diffuse light source supply circuit board structure for linear CCD sensor scanning, make supply circuit board overall structure simple, heat dispersion is strong.
The purpose of the utility model can be achieved by adopting the following technical scheme:
the utility model provides a diffusion light source power supply circuit board structure for linear CCD sensor scanning, includes the lamp shade, the top side of lamp shade is provided with power supply circuit board main part, power supply circuit board main part's top surface is provided with connects the electrical contact pilotage, the tip of lamp shade is provided with the fin, the bottom side slope of lamp shade is provided with a plurality of LED lamp area fixed plates, the top side of power supply circuit board main part runs through there is the perforation, the top side of lamp shade runs through there is the slotted plate.
Preferably, the top surface of the power supply circuit board main body is further provided with a magnet for magnetically attracting the power supply circuit board main body to the scanning and sampling device needing illumination.
Preferably, the number of the LED lamp strip fixing plates is two, the two LED lamp strip fixing plates are axisymmetric with respect to the through groove plate, and the LED lamp strips are laid on the bottom side surfaces of the two LED lamp strip fixing plates.
Preferably, the heat dissipation fins comprise two first heat dissipation fins fixed on the front side and the rear side of the end part of the lampshade and a second heat dissipation fin fixed on the outer wall of the end part of the lampshade.
Preferably, two of the fins, the first fin and the second fin, constitute a C-shaped structure.
Preferably, still include the ventilation hole, the ventilation hole run through in proper order in the end outer wall of lamp shade with the side of second fin.
Preferably, the lampshade is of a plate-shaped structure with an opening at the bottom side and a cavity.
Preferably, the length and width of the through holes are respectively larger than the length and width of the slotted plate.
The utility model has the advantages of:
the utility model provides a fin can carry out effectual heat dissipation to supply circuit structure, it has the ventilation hole to run through on second fin and lamp shade end wall in addition, can improve the air mobility around the second fin, connect the electrical contact needle can be directly peg graft with connecing on the CCD sensor scanner, there is magnet to adsorb on the scanner in addition, the convenience carries out the plug to the supply circuit board main part, the fixed LED lamp area fixed plate of slope is convenient directly to be laid LED lamp area, overall structure is simple, and heat dispersion is stronger, need not to occupy great space.
Drawings
Fig. 1 is a front view structural schematic diagram of a lamp shade and a power supply circuit board main body according to an embodiment of the present invention;
fig. 2 is a schematic view of a three-dimensional structure of a lamp shade according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a main body of a power supply circuit board according to an embodiment of the present invention;
fig. 4 is a schematic side view of a second heat sink according to an embodiment of the present invention.
In the figure: 1-lampshade, 2-power supply circuit board main body, 3-power contact pin, 4-magnet, 5-radiating fin, 501-first radiating fin, 502-second radiating fin, 6-LED lamp strip fixing plate, 7-vent hole, 8-perforation and 9-perforation slot plate.
Detailed Description
In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1-4, the diffuse light source power supply circuit board structure for scanning of linear CCD sensor that this embodiment provided, including lamp shade 1, the top side of lamp shade 1 is provided with power supply circuit board main part 2, the top surface of power supply circuit board main part 2 is provided with connects electric contact pin 3, peg graft the power supply contact on the scanner that is equipped with the CCD sensor, can supply power to the LED lamp area of being connected with power supply circuit board main part 2, the both ends of lamp shade 1 all are provided with fin 5, the bottom surface slope of lamp shade 1 is provided with a plurality of LED lamp area fixed plates 6, the top side of power supply circuit board main part 2 runs through and has perforation 8, the top side of lamp shade 1 runs through and has perforation 9, perforation 8 corresponds from top to bottom with the position.
In this embodiment, as shown in fig. 1 and fig. 3, the top surface of the power supply circuit board main body 2 is further provided with a magnet 4 for magnetically attracting the power supply circuit board main body 2 to the scanning and sampling device needing illumination, for example, to a scanner equipped with a CCD sensor, and to be fixed to the scanner through magnetic attraction, which is convenient for installation and removal.
In this embodiment, as shown in fig. 1, the LED lamp area fixing plate 6 is provided with two, and they are about the 9 axisymmetrics of wearing groove board, for the convenience of installing the LED lamp area, make the LED lamp area can not hinder the scanning region of CCD sensor when laying, and the bottom side of two LED lamp area fixing plates 6 has all laid the LED lamp area, the illumination region slope in LED lamp area is down, the LED lamp area comprises a plurality of lamp pearls that can light and extinguish in the twinkling of an eye, and they can follow the synchronous sequential lighting of pixel of CCD sensor, there is not the power supply line between LED lamp area and the scanner, can pull out and insert wantonly, 2 overall structure centrosymmetries of power supply circuit board main part, can the installation of 180 degrees of horizontal rotation.
In the present embodiment, as shown in fig. 1 and 2, the heat dissipation fins 5 include two first heat dissipation fins 501 fixed to the front and rear sides of the end portion of the lamp housing 1 and a second heat dissipation fin 502 fixed to the outer wall of the end portion of the lamp housing 1, in order to improve heat dissipation performance.
In the present embodiment, as shown in fig. 2, two first heat dissipating fins 501 and two second heat dissipating fins 502 of the heat dissipating fins 5 constitute a C-shaped structure, which is adapted to the structure of the end portion of the lamp housing 1.
In the present embodiment, as shown in fig. 2 and 4, the heat dissipation structure further includes a ventilation hole 7, the ventilation hole 7 sequentially penetrates through the outer wall of the end of the lamp housing 1 and the side surface of the second heat dissipation plate 502, and the heat dissipation performance of the second heat dissipation plate 502 is improved in order to increase the air flow at the position where the second heat dissipation plate 502 is located.
In this embodiment, as shown in fig. 2, the lampshade 1 is a plate-shaped structure with an opening on the bottom side and a cavity, and the LED strip fixing plate 6 and the LED strip are both located in the cavity, so that when the lampshade 1 is placed horizontally, the LED strip fixing plate 6 and the LED strip do not hinder the placement of the lampshade 1.
In this embodiment, as shown in fig. 3, the length and width of the through hole 8 are respectively greater than the length and width of the slot plate 9, so that the through hole 8 can be quickly aligned with the slot plate 9 when the power supply circuit board main body 2 is mounted, and the two are not displaced from each other.
In conclusion, in this embodiment, the fin 5 that this embodiment provided can carry out effectual heat dissipation to supply circuit structure, it has ventilation hole 7 to run through on second fin 502 and the 1 end wall of lamp shade in addition, can improve the air mobility around the second fin 502, connect electric contact pin 3 can directly peg graft with connecing the electric contact on the CCD sensor scanner, there is magnet 4 to adsorb on the scanner in addition, the convenience is inserted and pulled supply circuit board main part 1, the fixed LED lamp area fixed plate 6 of slope is convenient directly to be laid LED lamp area, overall structure is simple, and heat dispersion is stronger, need not to occupy great space.
The above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.
Claims (8)
1. A diffuse light source power supply circuit board structure for linear CCD sensor scanning is characterized in that: including lamp shade (1), the top side of lamp shade (1) is provided with power supply circuit board main part (2), the top surface of power supply circuit board main part (2) is provided with connects electric contact pin (3), the tip of lamp shade (1) is provided with fin (5), the slope of the end side of lamp shade (1) is provided with a plurality of LED lamp area fixed plates (6), the top side of power supply circuit board main part (2) runs through and has perforation (8), the top side of lamp shade (1) runs through and has slot board (9).
2. The diffuse light source power supply circuit board structure for linear CCD sensor scanning of claim 1, characterized in that: the top surface of the power supply circuit board main body (2) is also provided with a magnet (4) for magnetically attracting the power supply circuit board main body (2) on a scanning and sampling device needing illumination.
3. The diffuse light source power supply circuit board structure for linear CCD sensor scanning of claim 1, characterized in that: the LED lamp strip fixing plates (6) are arranged in two numbers, are axially symmetrical relative to the slot penetrating plate (9), and are provided with LED lamp strips on the bottom side surfaces of the two LED lamp strip fixing plates (6).
4. The diffuse light source power supply circuit board structure for linear CCD sensor scanning of claim 1, characterized in that: the radiating fins (5) comprise two first radiating fins (501) fixed on the front side and the rear side of the end part of the lampshade (1) and second radiating fins (502) fixed on the outer wall of the end part of the lampshade (1).
5. The diffuse light source power supply circuit board structure for linear CCD sensor scanning of claim 4, characterized in that: two first radiating fins (501) and two second radiating fins (502) in the radiating fins (5) form a C-shaped structure.
6. The diffuse light source power supply circuit board structure for linear CCD sensor scanning of claim 4, characterized in that: still include ventilation hole (7), ventilation hole (7) run through in proper order in the end outer wall of lamp shade (1) with the side of second fin (502).
7. The diffuse light source power supply circuit board structure for linear CCD sensor scanning of claim 1, characterized in that: the lampshade (1) is of a plate-shaped structure with an opening at the bottom side and a cavity.
8. The diffuse light source power supply circuit board structure for linear CCD sensor scanning of claim 1, characterized in that: the length and the width of the through holes (8) are respectively larger than the length and the width of the slotted plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022423523.0U CN213126537U (en) | 2020-10-28 | 2020-10-28 | A diffuse light source power supply circuit board structure for scanning of linear CCD sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022423523.0U CN213126537U (en) | 2020-10-28 | 2020-10-28 | A diffuse light source power supply circuit board structure for scanning of linear CCD sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213126537U true CN213126537U (en) | 2021-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022423523.0U Active CN213126537U (en) | 2020-10-28 | 2020-10-28 | A diffuse light source power supply circuit board structure for scanning of linear CCD sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213126537U (en) |
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2020
- 2020-10-28 CN CN202022423523.0U patent/CN213126537U/en active Active
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