CN211656207U - Scanning device with camera - Google Patents
Scanning device with camera Download PDFInfo
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- CN211656207U CN211656207U CN202020120087.7U CN202020120087U CN211656207U CN 211656207 U CN211656207 U CN 211656207U CN 202020120087 U CN202020120087 U CN 202020120087U CN 211656207 U CN211656207 U CN 211656207U
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Abstract
The utility model relates to an image reading technical field discloses the scanning equipment who has the camera. The equipment comprises a frame, a light source mechanism, a camera shooting mechanism and a reflecting device, wherein the light source mechanism, the camera shooting mechanism and the reflecting device are arranged in the frame; the light source mechanism emits light rays to irradiate the target object, and the light rays reflected by the target object are reflected to the camera mechanism to be imaged after passing through the reflecting device; the included angle formed by the plane of the first reflecting mechanism of the reflecting device and the carrying plane of the target object is alpha, wherein alpha is more than or equal to 35 degrees and less than or equal to 55 degrees; the included angle between the plane of the second reflecting mechanism and the carrying plane of the target object is beta, and alpha is more than or equal to 80 degrees and less than or equal to 100 degrees; a first plane reflector of the reflecting device is arranged above or below the object carrying plane where the target object is located; the shooting mechanism is used for corresponding to a shooting area, dividing the target object into a plurality of continuous areas to be shot according to the size of the shooting area, and shooting when the areas to be shot move to the shooting area. The utility model has the advantages of low cost, few parts, high reliability, high imaging efficiency, high scanning speed and the like.
Description
Technical Field
The utility model relates to an image reading technical field especially relates to a scanning equipment with camera.
Background
With the increasingly accelerated work rhythm, sheet media such as paper documents and certificates need to be scanned frequently in case of emergencies during business trips, the size of equipment is large, the equipment is not favorable for business trips and needs to be carried frequently, and power supply wires are adopted to supply power to cause difficulty in finding power supplies for business trips. It is therefore important to develop a scanning device having a small size, convenient power supply, and a fast scanning speed.
In the prior art, a small scanning device usually employs a contact image sensor and a transmission mechanism, the transmission mechanism has a transmission channel for sheet media to pass through, the transmission channel includes a plurality of transmission components, and the transmission components apply force to the upper surface or the lower surface of the sheet media during operation to drive the sheet media to be inserted into the channel for scanning. If the sheet medium needs to be scanned on both sides, the sheet medium needs to be taken out after scanning one side, turned over and then put into scanning equipment to scan the reverse side, the scanning speed is slow, the working efficiency is seriously influenced, in order to improve the efficiency, the current common method is to respectively install a contact type image sensor on both sides of a channel, and the product cost and the product use efficiency can not reach an ideal state. The existing scanner uses two linear contact photoelectric sensors to respectively scan two sides of a sheet medium, so that not only are more sensor components needed, but also the cost is high and the reliability is poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem be, provide a scanning equipment with camera for it is with high costs among the solution prior art, the part is many, the reliability is low, the problem that formation of image is inefficient.
On one hand, the utility model discloses a scanning device with a camera, which comprises a frame, a light source mechanism, a camera shooting mechanism and a reflecting device, wherein the light source mechanism, the camera shooting mechanism and the reflecting device are arranged in the frame;
the light source mechanism emits light rays to irradiate a target object, and the light rays reflected by the target object are reflected to the camera mechanism to be imaged after passing through the reflecting device;
the reflecting device comprises a first reflecting mechanism and a second reflecting mechanism;
an included angle formed by the plane of the first reflecting mechanism and the carrying plane of the target object is alpha, wherein alpha is more than or equal to 35 degrees and less than or equal to 55 degrees;
an included angle formed by the plane of the second reflecting mechanism and the carrying plane of the target object is beta, and alpha is more than or equal to 80 degrees and less than or equal to 100 degrees;
the reflecting device comprises a first plane reflecting mirror, and the first plane reflecting mirror is arranged above or below the carrying plane of the target object;
the shooting mechanism is used for corresponding to a shooting area, dividing the target object into a plurality of continuous areas to be shot according to the size of the shooting area, and shooting by the shooting mechanism when each area to be shot moves to the shooting area.
Preferably, the reflecting mechanism further includes a second plane mirror, the second plane mirror is installed above or below the object carrying plane where the target object is located, an intersection line of a plane where the first plane mirror is located and a plane where the second plane mirror is located above the object carrying plane where the target object is located, the intersection line of the first plane mirror and the object carrying plane where the target object is located is m, the intersection line of the second plane mirror and the object carrying plane where the target object is located is n, an included angle formed by the intersection line m and the intersection line n is γ, and γ is 45 °;
and the target reflected light is reflected to the second plane reflector through the first plane reflector and then reflected to the camera shooting mechanism for imaging.
Preferably, the reflecting mechanism further comprises a third plane reflecting mirror, and the third plane reflecting mirror and the first plane reflecting mirror are symmetrically arranged by taking the object carrying plane where the target object is located as a reference plane; the front side of the target reflects light to the first plane reflector, and the back side of the target, opposite to the front side, reflects light to the third plane reflector.
Preferably, the light source mechanism includes a first light source assembly and a second light source assembly, and the first light source assembly and the second light source assembly are installed on the camera mechanism or on a frame between the reflection mechanism and the camera mechanism.
Preferably, α is 45 °.
Preferably, the reflecting mechanism further comprises a fourth plane mirror;
the third plane reflector and the first plane reflector are symmetrically arranged by taking the object carrying plane where the target object is located as a reference plane, and front reflected light of the target object is reflected to the second plane reflector through the first plane reflector and then reflected to the camera shooting mechanism for imaging;
the fourth plane reflector and the second plane reflector are symmetrically arranged by taking the object carrying plane of the target object as a reference plane, and the back side reflected light of the target object opposite to the front side is reflected to the fourth plane reflector through the third plane reflector and then reflected to the camera shooting mechanism for imaging;
the camera shooting mechanism is positioned on the frame on the side surface of the target object.
Preferably, the scanning device further comprises a transmission mechanism, wherein the transmission mechanism comprises a transmission channel, a transmission assembly and a speed measurement sensor;
the transmission channel is arranged in the frame and is used for the target object to pass through;
the transmission assembly is arranged in the frame, and a rotating shaft of the transmission assembly is vertical to a carrying plane where the target is located;
the speed measuring sensor is arranged on the transmission assembly and used for measuring the movement speed of the target object.
Preferably, the transmission assembly comprises a driver and a driving motor, wherein the driver is electrically connected with the driving motor and is used for controlling the driving motor to rotate;
the frame is provided with at least one calibration point, and the calibration point is round, square or special-shaped;
the calibration point is positioned at the edge of the shooting area and used for determining the position corresponding relation between the three-dimensional geometric position of a certain point on the surface of the target object and the corresponding point in the image.
Preferably, at least one calibration point is arranged on the frame, and at least one calibration point is located on the shooting area.
Preferably, the camera mechanism is located on an end face or a side face of the object carrying plane.
To sum up, the utility model discloses following beneficial effect has: the utility model discloses a light source mechanism, camera mechanism, reflect meter's first reflection mechanism and second reflection mechanism's cooperation to realize a camera and be in the target inserts begin to shoot during transmission path the target inserts completely shoot and have been accomplished during transmission path, reduced the time of waiting for to shoot, thereby improved scanning equipment's scanning and shot speed. The utility model discloses shoot the two sides of a thin slice medium simultaneously at subregion with one or two cameras (the camera includes a set of camera lens and the area array image sensor of constituteing by the battery of lens). Therefore, the utility model discloses a scanning device with camera has advantages such as low cost, part are few, the reliability is high, imaging efficiency is high, scanning speed is fast.
Drawings
Fig. 1 is a schematic view of a scanning apparatus according to embodiment 1 of the present invention.
Fig. 2a is a schematic structural diagram of a scanning device according to embodiment 2 of the present invention at a first viewing angle.
Fig. 2B is a schematic structural diagram of a scanning device in embodiment 2 of the present invention at a second viewing angle.
Fig. 2C is a schematic structural diagram of a scanning apparatus according to embodiment 2 of the present invention at a third viewing angle.
Fig. 3A is a schematic structural diagram of a scanning apparatus according to embodiment 3 of the present invention without a driving roller.
Fig. 3B is a schematic structural diagram of a scanning apparatus according to embodiment 3 of the present invention, provided with a driving roller.
Fig. 4A is a schematic structural diagram of a scanning apparatus according to embodiment 4 of the present invention, provided with a driving roller.
Fig. 4B is a schematic view of a motion structure of a scanning device according to embodiment 4 of the present invention under the movement of a medium.
Fig. 5 is a schematic diagram of the imaging of the shooting area under different included angles α of the present invention.
Detailed Description
The features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make the objects, technical solutions, and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The utility model discloses a scanning device with a camera, which comprises a frame, a light source mechanism, a camera mechanism and a reflecting device, wherein the light source mechanism, the camera mechanism and the reflecting device are arranged in the frame;
the light source mechanism emits light rays to irradiate a target object, and the light rays reflected by the target object are reflected to the camera mechanism to be imaged after passing through the reflecting device;
the reflecting device comprises a first reflecting mechanism and a second reflecting mechanism;
an included angle formed by the plane of the first reflecting mechanism and the carrying plane of the target object is alpha, wherein alpha is more than or equal to 35 degrees and less than or equal to 55 degrees;
an included angle formed by the plane of the second reflecting mechanism and the carrying plane of the target object is beta, and alpha is more than or equal to 80 degrees and less than or equal to 100 degrees;
the reflecting device comprises a first plane reflecting mirror, and the first plane reflecting mirror is arranged above or below the carrying plane of the target object;
the shooting mechanism is used for corresponding to a shooting area, dividing the target object into a plurality of continuous areas to be shot according to the size of the shooting area, and shooting by the shooting mechanism when each area to be shot moves to the shooting area.
The utility model discloses a light source mechanism, camera mechanism, reflect meter's first reflection mechanism and second reflection mechanism's cooperation to realize a camera and be in the target inserts begin to shoot during transmission path the target inserts completely shoot and have been accomplished during transmission path, reduced the time of waiting for to shoot, thereby improved scanning equipment's scanning and shot speed. The utility model discloses with a camera (can be the photoelectric imaging device of area array, be exactly the CMOS device that is the array arrangement) shoot the two sides of a thin slice medium simultaneously in subregion, adopt the photoelectric imaging sensor of one or two area arrays. Therefore, the utility model discloses a scanning device with camera has advantages such as low cost, part are few, the reliability is high, imaging efficiency is high, scanning speed is fast.
Preferably, the reflecting mechanism further includes a second plane mirror, the second plane mirror is installed above or below the object carrying plane where the target object is located, an intersection line of a plane where the first plane mirror is located and a plane where the second plane mirror is located above the object carrying plane where the target object is located, the intersection line of the first plane mirror and the object carrying plane where the target object is located is m, the intersection line of the second plane mirror and the object carrying plane where the target object is located is n, an included angle formed by the intersection line m and the intersection line n is γ, and γ is 45 °;
and the target reflected light is reflected to the second plane reflector through the first plane reflector and then reflected to the camera shooting mechanism for imaging.
Preferably, the reflecting mechanism further comprises a third plane reflecting mirror, and the third plane reflecting mirror and the first plane reflecting mirror are symmetrically arranged by taking the object carrying plane where the target object is located as a reference plane; the front side of the target reflects light to the first plane reflector, and the back side of the target, opposite to the front side, reflects light to the third plane reflector.
Preferably, the light source mechanism includes a first light source assembly and a second light source assembly, and the first light source assembly and the second light source assembly are installed on the camera mechanism or on a frame between the reflection mechanism and the camera mechanism.
Preferably, α is 45 °.
Preferably, the reflecting mechanism further comprises a fourth plane mirror;
the third plane reflector and the first plane reflector are symmetrically arranged by taking the object carrying plane where the target object is located as a reference plane, and front reflected light of the target object is reflected to the second plane reflector through the first plane reflector and then reflected to the camera shooting mechanism for imaging;
the fourth plane reflector and the second plane reflector are symmetrically arranged by taking the object carrying plane of the target object as a reference plane, and the back side reflected light of the target object opposite to the front side is reflected to the fourth plane reflector through the third plane reflector and then reflected to the camera shooting mechanism for imaging;
the camera shooting mechanism is positioned on the frame on the side surface of the target object.
Preferably, the scanning device further comprises a transmission mechanism, wherein the transmission mechanism comprises a transmission channel, a transmission assembly and a speed measurement sensor;
the transmission channel is arranged in the frame and is used for the target object to pass through;
the transmission assembly is arranged in the frame, and a rotating shaft of the transmission assembly is vertical to a carrying plane where the target is located;
the speed measuring sensor is arranged on the transmission assembly and used for measuring the movement speed of the target object.
Preferably, the transmission assembly comprises a driver and a driving motor, wherein the driver is electrically connected with the driving motor and is used for controlling the driving motor to rotate;
the frame is provided with at least one calibration point, and the calibration point is round, square or special-shaped;
the calibration point is positioned at the edge of the shooting area and used for determining the position corresponding relation between the three-dimensional geometric position of a certain point on the surface of the target object and the corresponding point in the image.
Preferably, at least one calibration point is arranged on the frame, and at least one calibration point is located on the shooting area.
Preferably, the camera mechanism is located on an end face or a side face of the object carrying plane.
See the following examples for details:
as shown in fig. 1, fig. 2a, fig. 2B, fig. 2C, fig. 3A, fig. 3B, fig. 4A, and fig. 4B, the present invention discloses a scanning device with a camera, which includes a frame, a light source mechanism, a camera mechanism 30, and a reflection mechanism, which are disposed in the frame; the light source mechanism emits light to irradiate a target object, and the light reflected by the target object is reflected to the camera mechanism 30 to be imaged after passing through the reflecting mechanism; an included angle formed by the plane of the reflecting mechanism and the object carrying plane 80 of the target object is alpha, wherein alpha is more than or equal to 35 degrees and less than or equal to 55 degrees; the reflecting mechanism comprises a first plane reflecting mirror 41, and the first plane reflecting mirror 41 is arranged above an object carrying plane 80 where the target object is located; the image pickup mechanism 30 corresponds to one shooting area 61, the target object is divided into a plurality of continuous areas to be shot according to the size of the shooting area 61, and the image pickup mechanism 30 performs shooting when the areas to be shot move to the shooting area 61. Therefore, the shooting is started when the target object is inserted into the transmission channel, and the shooting is finished when the target object is completely inserted into the transmission channel, so that the time for waiting for shooting is reduced, and the scanning speed of the scanning device is improved.
The frame may be square or other shape as long as it can accommodate the components.
The light source mechanism may be a cold light source or a hot light source, as long as it can emit light to the target object, and the light emitting principle is not specifically limited herein. The light source mechanism may be directly mounted on the imaging mechanism 30, or may be mounted on a frame between the reflection mechanism and the imaging mechanism 30.
In the present embodiment, the light source mechanism includes a first light source assembly 21, and the first light source assembly 21 is installed above the object carrying plane 80.
In a modified embodiment of this embodiment, the light source mechanism further includes a second light source component 22, and the first light source component 21 and the second light source component 22 are installed above the object plane 80 where the object is located. This embodiment is sufficiently light that the image captured by the camera mechanism 30 is clearer.
In another modified embodiment of this embodiment, the light source mechanism further includes a third light source assembly and a fourth light source assembly, and the first light source assembly 21, the second light source assembly 22, the third light source assembly 23, and the fourth light source assembly 24 are installed above the object carrying plane 80 where the object is located. This embodiment is more light intensive and the image taken by the camera mechanism 30 is clearer.
In this embodiment, the camera assembly is located directly in front of the object entering the scanning device. The camera mechanism 30 includes a camera assembly, and the camera assembly includes a first image sensor and a first camera; the first image sensor is electrically connected with the first camera and used for converting the electric signal change caused by the irradiation of the reflected light of the target object received when the first camera shoots into a digital signal, and the digital signal records the information of the image shot by the first camera.
The first camera is selected from the prior art, and the specific working principle and structure are not described herein. The first image sensor is an area array image sensor or a linear array image sensor; an area array image sensor is preferred in the embodiment, and the image definition is high.
The camera mechanism 30 further comprises a controller, wherein the controller is electrically connected with the camera assembly and is used for controlling the camera assembly to shoot; the controller is also used for splicing the images of the areas to be shot by the camera assembly into a complete image of the target object.
The first plane mirror 41 (first reflecting mechanism) may be a glass plane mirror or a plane reflecting film, as long as it can reflect light, and the material thereof is not particularly limited.
The object is a sheet medium, such as a bank card, an identification card and other certificates or financial cards, or paper, a photo and other data, or a drawing board, an artwork, a toy or other object models.
The shooting area 61 is located between the reflection mechanism and the camera mechanism 30, the size and the specific position of the shooting area 61 are determined according to the position of the light source mechanism, the size of the reflection mechanism, the included angle alpha formed by the reflection mechanism and the object carrying plane 80 where the target is located, and the position of the camera mechanism 30, as long as the camera mechanism 30 can completely shoot the image in the whole shooting area 61. A person skilled in the art can calculate the size and the specific position of the photographing region 61 by using the position parameter of the light source mechanism, the size parameter of the reflection mechanism, the included angle α formed between the reflection mechanism and the object plane 80 where the object is located, and the position parameter of the photographing mechanism 30 in combination with common knowledge, and the specific calculation process is not described herein again.
Furthermore, a support 75 is included for supporting the parts 41, 42, 43, 44, 21, 22, 23, 24.
Preferably, the scanning device further comprises a transmission mechanism, wherein the transmission mechanism comprises a transmission channel, a transmission assembly and a speed measurement sensor; the transmission channel is arranged in the frame and is used for the target object to pass through; the transmission assembly is arranged in the frame, and a rotating shaft of the transmission assembly is vertical to the object carrying plane 80 of the target object; the speed measuring sensor is arranged on the transmission assembly and used for measuring the movement speed of the target object.
The speed measuring sensor is selected from the prior art, and the working principle is not described herein.
In this embodiment, the operator of the device inserts the target into the transmission channel of the device manually, and the movement of the target in the transmission channel drives the rotation shaft of the transmission assembly to rotate through the friction force between the target and the rotation shaft of the transmission assembly.
In a variant embodiment of this embodiment, the transmission assembly comprises a driver, a driving motor, a first rotating roller 71 and a second rotating roller 72, the driver being electrically connected to the driving motor for controlling the rotational movement of the driving motor. The drive motor is selected from the prior art as a motor capable of rotating. The driving motor rotates, and the first rotating roller 71 and the second rotating roller 72 are driven by the driving motor to generate friction force with the target respectively to drive the target to move.
In this embodiment, the transmission mechanism adopts a transmission assembly and a speed measurement sensor, and is located on the side surface of the transmission channel.
In a modified embodiment of this embodiment, the transmission mechanism employs two transmission assemblies and at least one speed measurement sensor, the two transmission assemblies may be installed on the same side of the transmission channel, and the two transmission assemblies may also be installed on two sides of the transmission channel respectively.
In another modified embodiment of this embodiment, the transmission mechanism employs at least three transmission assemblies and at least one speed measurement sensor, and all the transmission assemblies are respectively installed on two sides of the transmission channel.
Preferably, the shooting cycle of the imaging mechanism 30 is matched according to the moving speed of the object and the length of the side of the shooting area 61 parallel to the moving direction of the object. For example: the moving speed of thin sheet type medium is v centimetre/second, shoot regional 61 with the length of the parallel limit of target object direction of motion is s centimetre, the shooting cycle is t seconds, wherein t equals s/v, because the decimal probably exists in the t of calculating, the shooting cycle takes the integer less than t during actual shooting, the image of two consecutive times shooting like this can appear the image of partial overlapping, the image of partial overlapping carries out analysis processes through the software of controller in the process of image concatenation, finally obtains the complete image information of target object, software analysis processing method technical personnel in the art can obtain relevant inspiration from prior art and no longer repeated in the utility model discloses.
In this embodiment, at least one calibration point is disposed on the frame, and the calibration point is circular, square, or irregular; the calibration point is located at the edge of the shooting area 61 and is used for determining the position corresponding relation between the three-dimensional geometric position of a certain point on the surface of the target object and the corresponding point in the image. Each image taken by the camera mechanism 30 needs to include a sharp image of the index point.
In a modified embodiment of this embodiment, four calibration points are disposed on the frame, and the four calibration points are located at four corners of the shooting area 61; each image taken by the camera mechanism 30 includes the four index points. As shown in fig. 1, reference numerals 91 and 92 denote index points.
As shown in fig. 5, when α is 35 °, an included angle formed by a virtual image a of the shooting area 61 passing through the reflection mechanism and an object plane 80 where the object is located is 70 °, and the image height is lower than the object height; when the angle alpha is 45 degrees, the included angle formed by the virtual image B of the shooting area 61 passing through the reflecting mechanism and the object carrying plane 80 where the object is located is 90 degrees, and the image height is the same as the object height; when the angle α is 55 °, an included angle formed by the virtual image C of the shooting area 61 passing through the reflection mechanism and the object plane 80 where the object is located is 110 °, and the image height is lower than the object height.
When α <35 °, the image height is heavily compressed; when α >55 °, the image height is severely compressed. Therefore, when the alpha is more than or equal to 35 degrees and less than or equal to 55 degrees, the shot image is clearer.
When α is 45 °, the captured image is sharp and the image is the same as the target object.
The structure of this embodiment is similar to that of embodiment 1, except that:
the camera mechanism 30 is located on the frame at the side of the object.
The reflecting mechanism further comprises a second plane reflecting mirror (second reflecting mechanism) 42, the second plane reflecting mirror 42 is installed above the object carrying plane 80 where the target object is located, an intersection line of a plane where the first plane reflecting mirror 41 is located and a plane where the second plane reflecting mirror 42 is located above the object carrying plane 80 where the target object is located, an intersection line of the first plane reflecting mirror 41 and the object carrying plane 80 where the target object is located is m, an intersection line of the second plane reflecting mirror 42 and the object carrying plane 80 where the target object is located is n, an included angle formed by the intersection line m and the intersection line n is beta, and the beta is 45 degrees; the target reflected light is reflected by the first plane mirror 41 to the second plane mirror 42 and then reflected to the camera mechanism 30 for imaging.
As shown in fig. 3A and 3B, the present embodiment has a structure similar to that of embodiment 1, except that:
the reflecting mechanism further comprises a third plane reflecting mirror 43, and the third plane reflecting mirror 43 and the first plane reflecting mirror 41 are symmetrically arranged by taking the object carrying plane 80 where the target object is located as a reference plane; the front surface of the object reflects light to the first plane mirror 41, and the back surface of the object opposite to the front surface reflects light to the third plane mirror 43.
In the present embodiment, the imaging mechanism 30 is located directly in front of the moving direction of the target object.
The camera assembly further comprises a second image sensor and a second camera; the second image sensor is electrically connected with the second camera and used for converting the electric signal change caused by the irradiation of the reflected light of the target object received when the second camera shoots into a digital signal, and the digital signal records the information of the image shot by the second camera.
In this embodiment, the first camera and the second camera correspond to the same shooting area 61. The first camera shoots the front side of the target object, and the second camera shoots the back side of the target object opposite to the front side; the first camera reaches the second camera directly adopts the binocular camera that contains two cameras or adopts two monomer cameras, interval between two cameras of binocular camera is adjustable. By shooting the front side and the back side of the target object at the same time, the shooting speed is improved, and therefore the scanning speed of the scanning equipment is improved.
In the present embodiment, the index points are set in the same manner as in embodiment 1. Each image of the front side of the object and each image of the back side of the object opposite to the front side, which are captured by the imaging mechanism 30, need to include a clear image of the index point.
In the present embodiment, the first light source assembly 21 is installed above the object carrying plane 80, and the second light source assembly 22 is installed below the object carrying plane 80.
In a modified embodiment of the present embodiment, the first light source assembly 21 and the third light source assembly are installed above the object plane 80, and the second light source assembly 22 and the fourth light source assembly are installed below the object plane 80.
As shown in fig. 4A and 4B, the present embodiment has a structure similar to that of embodiment 2, and the difference is that:
the reflecting mechanism further comprises a third plane mirror 43 and a fourth plane mirror 44; the third plane reflector 43 and the first plane reflector 41 are symmetrically installed with the object carrying plane 80 of the object as a reference plane, and the front reflected light of the object is reflected to the second plane reflector 42 through the first plane reflector 41 and then reflected to the camera mechanism 30 for imaging; the fourth plane mirror 44 and the second plane mirror 42 are symmetrically installed with the object carrying plane 80 of the object as a reference plane, and the back reflected light of the object opposite to the front is reflected to the fourth plane mirror 44 by the third plane mirror 43 and then reflected to the camera mechanism 30 for imaging.
The camera assembly further comprises a second image sensor and a second camera; the second image sensor is electrically connected with the second camera and used for converting the electric signal change caused by the irradiation of the reflected light of the target object received when the second camera shoots into a digital signal, and the digital signal records the information of the image shot by the second camera.
In this embodiment, the first camera and the second camera correspond to the same shooting area 61. The first camera shoots the front side of the target object, and the second camera shoots the back side of the target object opposite to the front side; the first camera reaches the second camera directly adopts the binocular camera that contains two cameras or adopts two monomer cameras, interval between two cameras of binocular camera is adjustable. By shooting the front side and the back side of the target object at the same time, the shooting speed is improved, and therefore the scanning speed of the scanning equipment is improved.
As shown in fig. 1, reference numerals 91, 92, and 93 are index points. Each image of the front side of the object and each image of the back side of the object opposite to the front side, which are captured by the imaging mechanism 30, need to include a clear image of the index point.
In the present embodiment, the first light source assembly 21 is installed above the object carrying plane 80, and the second light source assembly 22 is installed below the object carrying plane 80.
In a modified embodiment of the present embodiment, the first light source assembly 21 and the third light source assembly are installed above the object plane 80, and the second light source assembly 22 and the fourth light source assembly are installed below the object plane 80.
To sum up, the scanning device with the camera of the present invention comprises a transmission mechanism and a reflection mechanism, the reflected light of the target object is reflected to the camera mechanism 30 for imaging after passing through the reflection mechanism, the included angle between the plane where the reflection mechanism is located and the object carrying plane 80 where the target object is located is α, and α is greater than or equal to 35 degrees and less than or equal to 55 degrees, so that the thickness of the whole scanning device can be reduced to a certain extent; the transmission mechanism comprises a transmission channel, a transmission component and a speed measurement sensor, wherein a rotating shaft of the transmission component is vertical to a carrying plane 80 where the target is located, when the target is inserted into the transmission channel, the transmission component is contacted with the side surface of the target, and the transmission component is prevented from being required to be installed to increase the thickness of the whole scanning device when the rotating shaft of the transmission component is parallel to the wide plane of the transmission channel; the camera mechanism 30 corresponds to a shooting area 61, the target object is divided into a plurality of continuous areas to be shot according to the size of the shooting area 61, the camera mechanism 30 shoots when the areas to be shot move to the shooting area, so that shooting is started when the target object is inserted into the transmission channel, shooting is completed when the target object is completely inserted into the transmission channel, the time for waiting for shooting is shortened, and the scanning and shooting speed of the scanning device is improved. Therefore, the utility model discloses a scanning device with camera has advantages such as low cost, part are few, the reliability is high, imaging efficiency is high, scanning speed is fast.
The above preferred embodiments are provided to explain the objects, technical solutions and advantages of the present invention in detail, and the above description of the embodiments is only used to help understand the method and the core ideas of the present invention; also, to those skilled in the art, changes may be made in the embodiments and applications without departing from the spirit and scope of the invention, and the terms "first," "second," and the like as used herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. To sum up, this description content only is the embodiment of the utility model, not therefore the restriction the patent protection scope of the utility model, all utilize the equivalent structure or the equivalent flow transform that the content of the description and the attached drawings was done, or direct or indirect application is in other relevant technical fields, all the same reason is included in the patent protection scope of the utility model. And should not be construed as limiting the invention.
Claims (10)
1. A scanning device with a camera is characterized by comprising a frame, a light source mechanism, a camera shooting mechanism and a reflecting device, wherein the light source mechanism, the camera shooting mechanism and the reflecting device are arranged in the frame;
the light source mechanism emits light rays to irradiate a target object, and the light rays reflected by the target object are reflected to the camera mechanism to be imaged after passing through the reflecting device;
the reflecting device comprises a first reflecting mechanism and a second reflecting mechanism;
an included angle formed by the plane of the first reflecting mechanism and the carrying plane of the target object is alpha, wherein alpha is more than or equal to 35 degrees and less than or equal to 55 degrees;
an included angle formed by the plane of the second reflecting mechanism and the carrying plane of the target object is beta, and alpha is more than or equal to 80 degrees and less than or equal to 100 degrees;
the reflecting device comprises a first plane reflecting mirror, and the first plane reflecting mirror is arranged above or below the carrying plane of the target object;
the shooting mechanism is used for corresponding to a shooting area, dividing the target object into a plurality of continuous areas to be shot according to the size of the shooting area, and shooting by the shooting mechanism when the areas to be shot move to the shooting area.
2. The scanning apparatus with a camera according to claim 1, wherein the reflecting mechanism further includes a second plane mirror, the second plane mirror is installed above or below a loading plane where the target object is located, an intersection line of a plane where the first plane mirror is located and a plane where the second plane mirror is located above the loading plane where the target object is located, an intersection line of the first plane mirror and the loading plane where the target object is located is m, an intersection line of the second plane mirror and the loading plane where the target object is located is n, an included angle formed by the intersection line m and the intersection line n is γ, and γ is 45 °;
and the target reflected light is reflected to the second plane reflector through the first plane reflector and then reflected to the camera shooting mechanism for imaging.
3. The scanning apparatus with a camera according to claim 2, wherein the reflecting mechanism further comprises a third plane mirror, and the third plane mirror and the first plane mirror are symmetrically arranged with respect to the object plane of the object as a reference plane; the front side of the target reflects light to the first plane reflector, and the back side of the target, opposite to the front side, reflects light to the third plane reflector.
4. The scanning apparatus having a camera according to claim 1, wherein the light source mechanism includes a first light source assembly, a second light source assembly, and the first light source assembly and the second light source assembly are mounted on the camera mechanism or on a frame between the reflection mechanism and the camera mechanism.
5. The scanning device with a camera according to claim 1, wherein α is 45 °.
6. The scanning device with a camera according to claim 3, wherein the reflecting mechanism further comprises a fourth plane mirror;
the third plane reflector and the first plane reflector are symmetrically arranged by taking the object carrying plane where the target object is located as a reference plane, and front reflected light of the target object is reflected to the second plane reflector through the first plane reflector and then reflected to the camera shooting mechanism for imaging;
the fourth plane reflector and the second plane reflector are symmetrically arranged by taking the object carrying plane of the target object as a reference plane, and the back side reflected light of the target object opposite to the front side is reflected to the fourth plane reflector through the third plane reflector and then reflected to the camera shooting mechanism for imaging;
the camera shooting mechanism is positioned on the frame on the side surface of the target object.
7. The scanning device with a camera according to claim 5, further comprising a transport mechanism, wherein the transport mechanism comprises a transport channel, a transmission assembly, a speed measurement sensor;
the transmission channel is arranged in the frame and is used for the target object to pass through;
the transmission assembly is arranged in the frame, and a rotating shaft of the transmission assembly is vertical to a carrying plane where the target is located;
the speed measuring sensor is arranged on the transmission assembly and used for measuring the movement speed of the target object.
8. The scanning device with a camera according to claim 7, wherein the transmission assembly comprises a driver, a driving motor, the driver is electrically connected with the driving motor for controlling the driving motor to rotate;
at least one calibration point is arranged on the frame, and the calibration point is circular or square;
the calibration point is positioned at the edge of the shooting area and used for determining the position corresponding relation between the three-dimensional geometric position of a certain point on the surface of the target object and the corresponding point in the image.
9. The scanning device with a camera according to claim 8, characterized in that at least one index point is provided on the frame, at least one of the index points being located on the shooting area.
10. The scanning device with a camera according to any one of claims 1 to 9, characterized in that the camera mechanism is located at an end face or a side face of the object plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020120087.7U CN211656207U (en) | 2020-01-19 | 2020-01-19 | Scanning device with camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020120087.7U CN211656207U (en) | 2020-01-19 | 2020-01-19 | Scanning device with camera |
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| Publication Number | Publication Date |
|---|---|
| CN211656207U true CN211656207U (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020120087.7U Active CN211656207U (en) | 2020-01-19 | 2020-01-19 | Scanning device with camera |
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| Country | Link |
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| CN (1) | CN211656207U (en) |
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