Array light source module detection device
By designing an array light source module detection device, using belt conveyor devices and sprocket sets to achieve rapid transportation, combined with air purification and water cooling systems, the problem of slow detection speed and error-prone light source modules in the existing technology is solved, and the rapidity is achieved Efficient and accurate detection effect.
Patent Information
- Application Number
- CN201811101466.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2018-09-20
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2038-09-20
AI Technical Summary
The existing light source module detection device collects single light points of light source modules slowly and is prone to errors.
An array light source module detection device is designed, including a camera table, a light source acquisition camera, a belt conveying device and a constant temperature box. It can achieve rapid and fast through feed lifting mechanism, pulley module, a photo lifting mechanism and a cone pin lifting device. Accurate module inspection, use the rising and falling sprocket set for module transportation, combined with the air purification system and the water cooling system, to ensure a clean and constant temperature environment in the optical cavity.
It realizes fast, efficient and accurate detection of the light source module, ensures the accuracy of transportation and the clean environment in the optical cavity, extends the refrigeration time of the light source acquisition camera, and improves detection efficiency and accuracy.
Smart Images
Figure CN109115468B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of light source detection, and in particular to an array light source module detection device. Background Art
[0002] The existing light source module detection device collects the light points of each light source module, and the collection speed is slow and errors are prone to occur during the collection process. Summary of the invention
[0003] The object of the present invention is to provide an array-type light source module detection device for quickly, efficiently and accurately detecting incoming light source module materials.
[0004] The technical solution of the present invention is: to provide an array-type light source module detection device, including a camera platform, a light source acquisition camera, a belt conveyor, a constant temperature box, and a water tank power supply, characterized in that the camera platform includes an optical cavity and a light shield, the belt conveyor includes a feed lifting mechanism, a pulley module, a photo position lifting mechanism and a cone pin lifting device, the feed lifting mechanism is used to drive the pulley module at the feed port to move up and down, the constant temperature box includes an ascending sprocket group and a descending sprocket group, and a tray is hung on the chain of each sprocket group by a bracket, the tray is used to carry the module and transport the module under the drive of the sprocket group and the pulley module, the photo position lifting mechanism drives the pulley module at the photo position to move up and down, and the cone pin lifting device is located on the photo position lifting mechanism, and the tray is lifted before the module is photographed.
[0005] Preferably, the belt conveyor device comprises 6 pulley modules, each pulley module is driven by a plurality of stepper motors, and the pulley module at the feed inlet is used for taking and placing the light source module.
[0006] Preferably, the camera platform further comprises an optical cavity bracket, which is located at the bottom of the optical cavity and is used to support the optical cavity, and the light source acquisition camera is arranged at one end of the optical cavity close to the constant temperature box.
[0007] Preferably, each tray is provided with a module probe board and a module adapter board for enabling the module to perform synchronous exposure with the light source acquisition camera and to transmit module data with the PC.
[0008] Preferably, each sprocket group is driven by several stepper motors, the ascending sprocket group drives the tray to move upward, rising 50-100 mm in one movement cycle, and the descending sprocket group drives the tray to move downward, falling 50-100 mm in one movement cycle.
[0009] Preferably, the constant temperature box also includes an upper push plate, which is located at the upper end of the sprocket group. After the ascending sprocket group moves upward for a cycle, the upper push plate pushes the uppermost tray of the ascending sprocket group toward the descending sprocket group. The upper push plate is driven by several stepper motors.
[0010] Preferably, it also includes a camera water cooling system, which includes a semiconductor refrigeration plate and a heat dissipation water tank. The semiconductor refrigeration plate is used to cool the light source acquisition camera, and the heat dissipation water tank is used to dissipate heat from the semiconductor refrigeration plate. The heat dissipation water tank includes a water storage tank, a water pump connecting the water storage tank and a circulating water pipe, a water circulation radiator arranged in the water storage tank, a water temperature meter and a water pipe joint arranged on the surface of the water storage tank, the water pipe joint is connected to the circulating water pipe, one end of the semiconductor refrigeration plate is connected to the light source acquisition camera, and the other end is connected to a water cooling head in contact with the circulating water pipe.
[0011] Preferably, it also includes an air purification system, which includes an air filter and an air duct. The air filter and the air duct are installed on the camera platform and communicate with the optical cavity. The air filter is arranged in the air duct.
[0012] The beneficial effects of the present invention are as follows: 1. The array-type light source module detection device of the present invention can quickly, efficiently and accurately detect the incoming light source module. An ascending sprocket group and a descending sprocket group are arranged in the constant temperature box. A tray is hung on the chain of each sprocket group by a bracket. The tray is used to carry the module and transport the module under the drive of the sprocket group and the pulley module. The module can be quickly heated in the constant temperature box. The ascending sprocket group and the descending sprocket group are self-locked by the sprocket and will not fall when the power is off; 2. The belt conveyor includes 6 pulley modules, and the transportation is more accurate; 3. The light The cavity and the light shield are equivalent to a darkroom, and the light source received by the light source acquisition camera only comes from the light emitted in the optical cavity and will not be affected by external light; 4. The air filter and the air duct are installed on the camera platform and communicate with the optical cavity. The air filter is arranged in the air duct to ensure a clean environment in the optical cavity, and no dust will accumulate on the reflecting mirror surface in the optical cavity; 5. The camera water cooling system adopts semiconductor refrigeration technology to cool the light source acquisition camera, and the heat sink dissipates the heat from the semiconductor refrigeration plate, thereby extending the cooling time of the semiconductor and continuously cooling the light source acquisition camera. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the overall structure of the array light source module detection device of the present invention.
[0014] Figure 2 It is a schematic diagram of the optical cavity structure of the array light source module detection device of the present invention.
[0015] Figure 3 It is a structural schematic diagram of a light source acquisition camera of an array-type light source module detection device of the present invention. DETAILED DESCRIPTION
[0016] The present invention will be further described below in conjunction with the accompanying drawings:
[0017] See also Figures 1 to 3 As shown, the present invention provides an array-type light source module detection device, including a camera platform, a light source acquisition camera 11, a belt conveyor, and a constant temperature box 6. The belt conveyor includes a feed lifting mechanism, a pulley module, a photo position lifting mechanism, and a cone pin lifting device. The feed lifting mechanism is used to drive the pulley module at the feed port to move up and down. The constant temperature box includes an ascending sprocket group 3 and a descending sprocket group 4. A tray 7 is hung on the chain of each sprocket group by a bracket. The tray 7 is used to carry the module 2 and transport the module 2 under the drive of the sprocket group and the pulley module. The photo position lifting mechanism drives the pulley module at the photo position to move up and down. The cone pin lifting device 14 is located on the photo position lifting mechanism to lift the tray 7 before taking photos of the module. The lifting mechanism is a lifting electric cylinder or a lifting cylinder.
[0018] The belt conveyor includes 6 pulley modules, each of which is driven by a plurality of 57 stepper motors. The pulley module at the inlet is used to pick up and place the light source module. The pulley module at the inlet is set on the front lifting platform 1, and the light source module moves to the pulley module on the rear lifting platform 9 after taking pictures.
[0019] The camera platform includes an optical cavity 12, a light shield, and an optical cavity bracket 13. The optical cavity bracket 13 is located at the bottom of the optical cavity 12 and is used to support the optical cavity 12. The light source acquisition camera 11 is arranged at one end of the optical cavity 12 close to the constant temperature box 6. A reflective mirror surface 121 is arranged at one end of the optical cavity close to the light source acquisition camera, and a refractive mirror surface (122, 123) opposite to each other is arranged at one end away from the light source acquisition camera.
[0020] Each tray 7 is provided with a module probe board 8 and a module adapter board for making the module 2 and the light source acquisition camera 11 perform synchronous exposure and transmit module data with the PC.
[0021] The feeding lifting mechanism and the photographing position lifting mechanism are both provided with zero position sensors.
[0022] Each sprocket group is driven by several 57 stepper motors. The rising sprocket group drives the tray to move upward, rising 50 to 100 mm in one movement cycle, and the falling sprocket group drives the tray to move downward, falling 50 to 100 mm in one movement cycle.
[0023] The constant temperature box also includes an upper push plate, which is located at the upper end of the sprocket group. When the ascending sprocket group moves upward for a cycle, the upper push plate pushes the uppermost tray of the ascending sprocket group toward the descending sprocket group. The upper push plate is driven by several 57 stepper motors.
[0024] The detection device also includes a camera water cooling system 10, which includes a semiconductor refrigeration plate and a heat dissipation water tank. The semiconductor refrigeration plate is used to cool the light source acquisition camera, and the heat dissipation water tank is used to dissipate heat from the semiconductor refrigeration plate. The heat dissipation water tank includes a water storage tank, a water pump connecting the water storage tank and a circulating water pipe, a water circulation radiator arranged in the water storage tank, a water temperature meter and a water pipe joint arranged on the surface of the water storage tank. The water pipe joint is connected to the circulating water pipe. One end of the semiconductor refrigeration plate is connected to the light source acquisition camera, and the other end is connected to a water cooling head in contact with the circulating water pipe.
[0025] The detection device further includes an air purification system, which includes an air filter 16 and an air duct 15 . The air filter 16 and the air duct 15 are mounted on the camera platform and communicate with the optical cavity 12 . The air filter 16 is arranged in the air duct 15 .
[0026] See also Figure 3 As shown, the light source acquisition camera includes a CCD sensor 115, the focal length of which is adjusted by a focal length adjustment motor, a standard fixed-focus lens 116 is provided in front of the CCD sensor 115, an optical filter turntable 111 is provided between the standard fixed-focus lens 116 and the CCD sensor 115, a turntable motor 112 is installed at the center of the optical filter turntable 111, an optical filter is arranged in a circular array on the optical filter turntable 111, a semiconductor cooling plate 17 is provided above the CCD sensor 115, and an interchangeable dryer 113 is also installed in the installation chamber of the light source acquisition camera.
[0027] The working principle of the present invention is as follows: the light source module is placed on a tray 7, and the tray 7 is preheated in a constant temperature box 6 driven by an ascending and descending sprocket group, and then runs to the photo position to collect module data. Each tray is provided with a module probe plate 8 and a module adapter plate for making the module 2 and the light source collection camera 11 perform synchronous exposure and transmit module data with the PC. The tray 7 can only be synchronously exposed with the light source collection camera when it is in the photo position. The photo position lifting mechanism can drive the pulley module at the photo position to move up and down. The cone pin lifting mechanism is located on the photo position lifting mechanism, and plays a secondary positioning role for the tray 7. The tray is lifted before the light source module is photographed. The upper and lower limit distances of the cone pin lifting motor group are 40mm. The semiconductor refrigeration plate is a device that uses the thermal-electric effect of semiconductors to produce coldness. One end of the semiconductor refrigeration plate is connected to the light source collection camera, and the other end is connected to a water cooling head in contact with a circulating water pipe. The water in the water storage tank is circulated by a water pump to continuously take away the heat of the semiconductor refrigeration plate 17, so that the semiconductor refrigeration plate can work normally. When the air filter 16 is working, air is blown downward from the top, and air enters from the front air duct 15, blows downward through the filter cotton via the fan, filters particles in the air, and ensures the cleanliness of the air in the optical cavity.
[0028] The above description is only a preferred embodiment of the present invention. All equivalent changes and modifications made within the scope of the claims of the present invention should fall within the scope of the claims of the present invention.
Claims
1. An array light source module detection device, comprising a constant temperature box, the constant temperature box comprising an ascending sprocket group and a descending sprocket group, a tray is hung on the chain of each sprocket group by a bracket, the tray is used to carry the module and transport the module under the drive of the sprocket group and the pulley module; characterized in that, It includes a camera platform, a light source acquisition camera, a belt conveyor, and a constant temperature box. The camera platform includes an optical cavity and a light shield. The light source acquisition camera is arranged at one end of the optical cavity close to the constant temperature box; the belt conveyor includes a feed lifting mechanism, a pulley module, a photo position lifting mechanism and a cone pin lifting device. The feed lifting mechanism is used to drive the pulley module at the feed port to move up and down, and the photo position lifting mechanism drives the pulley module at the photo position to move up and down. The cone pin lifting device is located on the photo position lifting mechanism, and the tray is lifted before the module is photographed. The transport module can be quickly heated in the constant temperature box. The ascending sprocket group and the descending sprocket group are self-locked by the sprockets and will not fall when the power is off.
2. The array light source module detection device according to claim 1, characterized in that: The belt conveyor device includes 6 pulley modules, each of which is driven by a plurality of stepper motors, and the pulley module at the feed inlet is used for taking and placing the light source module.
3. The array light source module detection device according to claim 1, characterized in that: The camera platform further comprises an optical cavity bracket, which is located at the bottom of the optical cavity and is used to support the optical cavity.
4. The array light source module detection device according to claim 1, characterized in that: Each tray is provided with a module probe board and a module adapter board for synchronously exposing the module with the light source acquisition camera and transmitting module data with the PC.
5. The array light source module detection device according to claim 1, characterized in that: Each sprocket group is driven by several stepper motors. The rising sprocket group drives the tray to move upward, rising 50 to 100 mm in one movement cycle, and the falling sprocket group drives the tray to move downward, falling 50 to 100 mm in one movement cycle.
6. The array light source module detection device according to claim 1, characterized in that: It also includes a camera water cooling system, which includes a semiconductor refrigeration plate and a heat dissipation water tank. The semiconductor refrigeration plate is used to cool the light source acquisition camera, and the heat dissipation water tank is used to dissipate heat from the semiconductor refrigeration plate. The heat dissipation water tank includes a water storage tank, a water pump connecting the water storage tank and a circulating water pipe, a water circulation radiator arranged in the water storage tank, a water temperature meter and a water pipe joint arranged on the surface of the water storage tank, the water pipe joint is connected to the circulating water pipe, one end of the semiconductor refrigeration plate is connected to the light source acquisition camera, and the other end is connected to a water cooling head in contact with the circulating water pipe.
7. The array light source module detection device according to claim 1, characterized in that: It also includes an air purification system, which includes an air filter and an air duct. The air filter and the air duct are installed on the camera platform and communicate with the optical cavity. The air filter is arranged in the air duct.
8. A detection method for the array light source module detection device according to claim 1, characterized in that: The following steps are involved: ⑴ Place the light source module on the tray, and the tray is preheated in the constant temperature box driven by the ascending and descending sprocket sets; (2) After preheating, it runs to the photo taking position to collect module data. Each tray is equipped with a module probe board and a module adapter board for synchronous exposure of the module and the light source acquisition camera and module data transmission with the PC. The tray can only be synchronously exposed with the light source acquisition camera when it is in the photo taking position; ⑶ The lifting mechanism of the photographing position drives the pulley module at the photographing position to move up and down, and the cone pin lifting mechanism is located on the lifting mechanism of the photographing position, which plays a secondary positioning role for the pallet; ⑷ Before taking photos of the light source module, lift the tray up, and the upper and lower limit distances of the taper pin lifting the motor unit are 40mm; ⑸ The semiconductor refrigeration chip is a device that uses the thermal-electric effect of semiconductors to produce cooling. One end of the semiconductor refrigeration chip is connected to the light source collection camera, and the other end is connected to the water cooling head in contact with the circulating water pipe; (6) The water in the water tank is circulated by a water pump to continuously take away the heat of the semiconductor refrigeration chip, so that the semiconductor refrigeration chip can work normally; ⑺When the air filter is working, air blows downward from the top. The air enters from the front air duct and is blown downward by the fan through the filter cotton to filter out particles in the air and ensure the cleanliness of the air in the optical cavity.