Multi-angle time sequence control line scanning automatic detection module

Abstract

The invention provides a multi-angle time sequence control line scanning automatic detection module, which comprises a time sequence controller, and is characterized in that the time sequence controller establishes communication with a frame signal receiving module, an encoder, a line-scan digital camera and a light source assembly; when the frame signal receiving module receives a signal, the signal of the encoder is transmitted to the time sequence controller, the time sequence controller carries out frequency division control and outputs the signal to the linear array camera and the light source assembly, the light source assembly can realize a coaxial effect without passing through a spectroscope, ghosting can be avoided, the definition is high, the detection precision is high, and the cost is reduced; a time schedule controller is matched to realize three-dimensional linear sweeping brightness; the light source assembly is high in integration level, has three different angles, and is more compact in size.

Description

Technical Field

[0001] The present invention relates to the field of detection technology, and in particular to a multi-angle timing controlled line scanning automatic detection module. Background Art

[0002] Traditional line scanning detection technology uses a single coaxial line optical fiber and a tunnel light source to form a detection module. The coaxial line optical fiber must pass through components such as a beam splitter and an amplifying lens. The module is large in size and has no low-angle light source.

[0003] Therefore, there is an urgent need for a multi-angle timing controlled line scan automatic detection module that can solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a multi-angle timing controlled line scan automatic detection module to solve the problems existing in the above-mentioned prior art.

[0005] To achieve the above object, the present invention provides the following solutions:

[0006] The present invention provides a multi-angle timing-controlled line-scan automatic detection module, comprising a timing controller, wherein the timing controller establishes communication with a frame signal receiving module, an encoder, a linear array camera and a light source component respectively.

[0007] Preferably, the light source assembly includes a shell, a first light source is provided on the top of the shell, a lens and a total reflector are provided at the front end of the first light source, a second light source and a third light source are provided in the shell, a nano diffuse reflection dome is provided at the front end of the second light source, a lens is provided at the front end of the third light source, the light paths of the first light source, the second light source and the third light source converge at one point, and the line array camera is obliquely arranged above the shell.

[0008] Preferably, a heat dissipation structure is provided on the side of the housing.

[0009] Preferably, the heat dissipation structure adopts a water-cooling heat dissipation structure or an air-cooling heat dissipation structure.

[0010] Preferably, the angle between the line array camera and the vertical direction is less than 5°.

[0011] Preferably, the sum of the angles between the line array camera and the vertical direction and the angles between the total reflection mirror and the horizontal direction is 45°.

[0012] Compared with the prior art, the present invention has achieved the following beneficial technical effects:

[0013] The present invention provides a multi-angle timing-controlled line-scan automatic detection module, comprising a timing controller, wherein the timing controller establishes communication with a frame signal receiving module, an encoder, a linear array camera and a light source component respectively; when the frame signal receiving module receives a signal, the signal of the encoder is transmitted to the timing controller, and the timing controller performs frequency division control and outputs the signal to the linear array camera and the light source component; the light source component can achieve a coaxial effect without passing through a beam splitter, thereby avoiding ghosting, having high clarity, high detection accuracy and reducing costs; in conjunction with the timing controller, line-scanning photometric stereo can be achieved; the light source component has a high degree of integration, has three different angles and is more compact. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 A schematic diagram of the control relationship of a multi-angle timing control line scan automatic detection module provided by the present invention;

[0016] Figure 2 A schematic diagram of the structure of a light source component in a multi-angle timing controlled line scanning automatic detection module provided by the present invention;

[0017] Figure 3 A timing logic diagram of a multi-angle timing control line scan automatic detection module provided by the present invention. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] The purpose of the present invention is to provide a multi-angle timing control line scan automatic detection module to solve the problems existing in the prior art.

[0020] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0021] Embodiment 1:

[0022] This embodiment provides a multi-angle timing control line scan automatic detection module, such as Figure 1 As shown, it includes a timing controller 1, which establishes communication with a frame signal receiving module 2, an encoder 3, a linear array camera 4 and a light source assembly 5 respectively.

[0023] As an implementation method, Figure 2 As shown, the light source assembly 5 includes a shell 51, a first light source 52 is provided on the top of the shell 51, a lens 53 and a total reflection mirror 54 are provided at the front end of the first light source 52, a second light source 55 and a third light source 56 are provided in the shell 51, a nano diffuse reflection dome 57 is provided at the front end of the second light source 55, a lens 53 is provided at the front end of the third light source 56, the light paths of the first light source 52, the second light source 55 and the third light source 56 converge at one point, and the line array camera 4 is tiltedly arranged above the shell 51.

[0024] Furthermore, a heat dissipation structure 58 is provided on the side of the housing 51 .

[0025] Furthermore, the heat dissipation structure 58 adopts a water-cooling heat dissipation structure or an air-cooling heat dissipation structure.

[0026] Furthermore, the angle between the line array camera 4 and the vertical direction is less than 5°.

[0027] Furthermore, the sum of the angle between the line array camera 4 and the vertical direction and the angle between the total reflection mirror 54 and the horizontal direction is 45°.

[0028] The present invention provides a multi-angle timing control line scanning automatic detection module, such as Figure 1 and 3 As shown, after the frame signal receiving module receives the signal, the encoder's signal is transmitted to the timing controller, and the timing controller performs frequency division control and outputs it to the line array camera and light source assembly. The light source assembly can achieve a coaxial effect without passing through a beam splitter, which can avoid ghosting, has high clarity, high detection accuracy, and reduces costs; in conjunction with the timing controller, line scanning photometric stereo can be achieved; the light source assembly has a high degree of integration, has 3 different angles, and is more compact.

[0029] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. At the same time, for those skilled in the art, according to the ideas of the present invention, there will be changes in the specific implementation methods and application scopes. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A multi-angle timing control line scan automatic detection module, characterized by: It includes a timing controller, which establishes communication with the frame signal receiving module, the encoder, the linear array camera and the light source component respectively.

2. The multi-angle timing control line scan automatic detection module according to claim 1, characterized in that: The light source assembly includes a shell, a first light source is provided on the top of the shell, a lens and a total reflector are provided at the front end of the first light source, a second light source and a third light source are provided in the shell, a nano diffuse reflection dome is provided at the front end of the second light source, a lens is provided at the front end of the third light source, the light paths of the first light source, the second light source and the third light source converge at one point, and the line array camera is obliquely arranged above the shell.

3. The multi-angle timing control line scan automatic detection module according to claim 2, characterized in that: A heat dissipation structure is provided on the side of the shell.

4. The multi-angle timing control line scan automatic detection module according to claim 3, characterized in that: The heat dissipation structure adopts a water-cooling heat dissipation structure or an air-cooling heat dissipation structure.

5. The multi-angle timing control line scan automatic detection module according to claim 2, characterized in that: The angle between the linear array camera and the vertical direction is less than 5°.

6. The multi-angle timing control line scan automatic detection module according to claim 5, characterized in that: The sum of the angles between the linear array camera and the vertical direction and the angles between the total reflection mirror and the horizontal direction is 45°.

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