Thermal infrared scanning system

Abstract

The invention discloses a thermal infrared scanning system, and relates to the technical field of scanning equipment, the thermal infrared scanning system comprises a scanning device and a scanning moving unit, and the scanning device comprises a scanning unit and a guiding device; the scanning moving unit comprises a first guide rail device and a driving device, the scanning unit is connected with the guide device, the guide device is connected with the driving device, the guide device and the first guide rail device form sliding connection in the first direction, and the driving device can drive the guide device to reciprocate along the first guide rail device; the guiding device can make contact with the outer wall, extending in the first direction, of the to-be-scanned piece, and the guiding device can be guided in the first direction by moving along the outer wall, extending in the first direction, of the to-be-scanned piece. The guide precision can be improved, so that the moving precision of the scanning unit is ensured, and the scanning precision is improved.

Description

Technical Field

[0001] The invention relates to the technical field of scanning equipment, in particular to a thermal infrared scanning system. Background Art

[0002] Thermal infrared scanning system can convert invisible infrared radiation emitted by objects into visible thermal images, which is an effective means of obtaining the temperature distribution and thermal characteristics of objects in a non-contact manner. Thermal infrared scanning of deep-sea cores can identify the types of minerals in the cores, determine the distribution of minerals, understand the distribution of parameters such as porosity and permeability of reservoir rocks, and evaluate the quality and oil and gas potential of reservoirs. It is of great significance to the commercial exploitation and utilization of seabed resources and the promotion of economic development.

[0003] Existing thermal infrared scanning systems mostly include a scanning unit, a drive motor, a slide rail and a slider, wherein the scanning unit is arranged on the slider, and the drive motor drives the slider to slide on the slide rail, so that the scanning unit moves along the length direction of the slide rail, thereby realizing multi-position scanning of components such as cores. This type of thermal infrared scanning system only guides linear movement through the cooperation of the slide rail and the slider, and the guiding accuracy is low. It is not possible to realize the scanning of the same axial layer of the core well, and it is not possible to obtain the thermal infrared information of a specific layer of the core well, and the scanning accuracy is low. Summary of the invention

[0004] The purpose of the present invention is to provide a thermal infrared scanning system to solve the problems existing in the above-mentioned prior art, and to improve the guiding accuracy, thereby ensuring the movement accuracy of the scanning unit, thereby improving the scanning accuracy.

[0005] To achieve the above object, the present invention provides the following solutions: The present invention provides a thermal infrared scanning system, comprising a scanning device and a scanning moving unit, wherein the scanning device comprises a scanning unit and a guiding device; the scanning moving unit comprises a first guide rail device and a driving device, wherein the scanning unit is connected to the guiding device, wherein the guiding device is connected to the driving device, wherein a sliding connection along a first direction is formed between the guiding device and the first guide rail device, wherein the driving device can drive the guiding device to reciprocate along the first guide rail device, wherein the guiding device can contact an outer wall of a workpiece to be scanned extending along the first direction, and wherein the guiding device can guide the guiding device along the first direction by moving along the outer wall of the workpiece to be scanned extending along the first direction.

[0006] Preferably, the guiding device includes a supporting device and two guiding bodies, and the supporting device is fixedly connected to the scanning unit; the two guiding bodies are arranged opposite to each other, and each guiding body includes at least one guide wheel, and each guide wheel is connected to the supporting device, and the outer wall of each guide wheel can guide the guiding device along the first direction by contacting the outer wall of the object to be scanned.

[0007] Preferably, each of the guide wheels is rotatably connected to the supporting device, and each of the guide wheels can roll along the length direction of the workpiece to be scanned when contacting the outer wall of the workpiece to be scanned.

[0008] Preferably, the supporting device includes a supporting frame and two mounting plates, the supporting frame is connected to the scanning unit; each mounting plate is fixedly connected to a side of the supporting frame away from the scanning unit, the two mounting plates are arranged opposite to each other, a gap is left between the two mounting plates, and each mounting plate is provided with a plurality of guide wheels.

[0009] Preferably, the supporting device also includes a bearing device and a slider device, the bearing device is connected to the driving device, the slider device is fixedly connected to the bearing device, the slider device and the first guide rail device form a sliding connection along the first direction, and the supporting frame is fixedly connected to the bearing device.

[0010] Preferably, the driving device includes a driving body and a screw, the driving body is connected to the screw and can drive the screw to rotate along its own axis, the supporting device is threadedly connected to the screw, and the axis of the screw is parallel to the first direction.

[0011] Preferably, it also includes a counterweight device, wherein the counterweight device and the scanning unit are respectively fixedly connected to two ends of the bearing device perpendicular to the axial direction of the lead screw, and the support frame and the scanning unit are fixedly connected to the same end of the bearing device.

[0012] Preferably, it further comprises a second guide rail device, one end of the counterweight device is fixedly connected to the bearing device, and the other end of the counterweight device can slide relative to the second guide rail device along the first direction.

[0013] Preferably, it also includes a storage unit, which is arranged on one side of the scanning unit, and is used to support the piece to be scanned. The scanning unit can scan the piece to be scanned on the storage unit, and the storage unit can drive the piece to be scanned to move toward or away from the scanning unit and keep the piece to be scanned in position.

[0014] Preferably, it also includes a control and display unit, and the scanning unit and the driving device are both connected to the control and display unit, and the control and display unit can control the start and stop of the scanning unit and the driving device, and the control and display unit can display the working status of the scanning unit and the driving device and the temperature image of the scanned object.

[0015] Compared with the prior art, the present invention has achieved the following technical effects: The present invention provides a thermal infrared scanning system, comprising a scanning device and a scanning moving unit, the scanning device comprising a scanning unit and a guiding device; the scanning moving unit comprising a first guide rail device and a driving device, the scanning unit is connected to the guiding device, the guiding device is connected to the driving device, the guiding device and the first guide rail device form a sliding connection along a first direction, the driving device can drive the guiding device to reciprocate along the first guide rail device, the guiding device can contact the outer wall of a to-be-scanned object extending along the first direction, and the guiding device can guide the guiding device along the first direction by moving along the outer wall of the to-be-scanned object extending along the first direction.

[0016] The guide device of the present invention can be slidably connected with the first guide rail device, and the first guide rail device can perform a first re-guidance on the guide device; the guide device of the present invention can also contact the outer wall of the workpiece to be scanned along the first direction, and move along the outer wall of the workpiece to be scanned along the first direction under the drive of the drive device, and the workpiece to be scanned can perform a second re-guidance on the guide device. The present invention can perform a double guidance on the movement of the scanning unit, and can improve the guidance accuracy, thereby ensuring the movement accuracy of the scanning unit, thereby improving the scanning accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] 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 work.

[0018] Figure 1 is a front view of the thermal infrared scanning system provided by the present invention; Figure 2 It is a structural schematic diagram of the thermal infrared scanning system provided by the present invention; Figure 3 It is a front view of the scanning device and the scanning moving unit provided by the present invention; Figure 4 It is a structural schematic diagram of the scanning device and the scanning mobile unit provided by the present invention; Figure 5 The structure of the scanning mobile unit provided by the present invention is shown in FIG. Figure 1 ; Figure 6 The structure of the scanning mobile unit provided by the present invention is shown in FIG. Figure 2 .

[0019] In the figure: 100, thermal infrared scanning system; 1, container; 2, control and display unit; 21, control cabinet; 22, host computer controller; 23, image display screen; 3, scanning device; 31, infrared thermal imager; 32, support plate; 33, mounting plate; 34, wing connecting plate; 35, guide wheel; 36, load-bearing table; 4, storage unit; 41, bracket; 42, core; 5, scanning mobile unit; 51, load-bearing table; 52, guide rail; 53, counterweight device; 54, guide groove; 55, mounting frame; 56, slide; 57, gear box; 58, motor; 59, reducer; 60, support block; 61, slider. DETAILED DESCRIPTION

[0020] 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.

[0021] The purpose of the present invention is to provide a thermal infrared scanning system to solve the problems existing in the above-mentioned prior art, and to improve the guiding accuracy, thereby ensuring the movement accuracy of the scanning unit, thereby improving the scanning accuracy.

[0022] 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.

[0023] like Figures 1 to 6 As shown, the present invention provides a thermal infrared scanning system 100, including a scanning device 3 and a scanning moving unit 5, the scanning device 3 includes a scanning unit and a guiding device; the scanning moving unit 5 includes a first guide rail device and a driving device, the scanning unit is connected to the guiding device, the guiding device is connected to the driving device, the guiding device and the first guide rail device form a sliding connection along a first direction, the driving device can drive the guiding device to reciprocate along the first guide rail device, the guiding device can contact the outer wall of the to-be-scanned object extending along the first direction, and the guiding device can guide the guiding device along the first direction by moving along the outer wall of the to-be-scanned object extending along the first direction.

[0024] The guide device of the present invention can be slidably connected with the first guide rail device, and the first guide rail device can perform a first re-guidance on the guide device; the guide device of the present invention can also contact the outer wall of the workpiece to be scanned along the first direction, and move along the outer wall of the workpiece to be scanned along the first direction under the drive of the drive device, and the workpiece to be scanned can perform a second re-guidance on the guide device. The present invention can perform a double guidance on the movement of the scanning unit, and can improve the guidance accuracy, thereby ensuring the movement accuracy of the scanning unit, thereby improving the scanning accuracy.

[0025] As a preferred embodiment, the part to be scanned is a core 42, the axial direction of the core 42 is the first direction, and the working surface of the first guide device extends along the first direction, so that the entire core 42 can be scanned to obtain a temperature image of the core 42. The guide device can contact the outer wall of the part to be scanned, so as to better realize the scanning of the same axial level of the part to be scanned, so as to obtain thermal infrared information of a specific level. It should be noted that the part to be scanned of the present invention is not limited to the core 42, and can also be other parts, which are cylindrical, rectangular, etc., as long as the part has an outer wall extending along the first direction and can guide the guide device.

[0026] In the present invention, the guide device includes a support device and two guide bodies, the support device is fixedly connected to the scanning unit; the two guide bodies are arranged opposite to each other, each guide body includes at least one guide wheel 35, each guide wheel 35 is connected to the support device, and the outer side wall of each guide wheel 35 can guide the guide device along the first direction by contacting the outer wall of the workpiece to be scanned. The guide wheel 35 can contact the outer wall of the workpiece to be scanned in the form of point contact, with a small contact area, so that the guide wheel 35 can move along the workpiece to be scanned.

[0027] In the present invention, each guide wheel 35 is rotatably connected to the support device, and each guide wheel 35 can roll along the length direction of the workpiece to be scanned when in contact with the outer wall of the workpiece to be scanned. The guide wheel 35 moves along the workpiece to be scanned in a rolling manner, thereby guiding the scanning unit, and the friction between the guide wheel 35 and the workpiece to be scanned is small to ensure the stability of movement.

[0028] In the present invention, the support device includes a support frame and two mounting plates 33, the support frame is fixedly connected to the scanning unit; each mounting plate 33 is fixedly connected to a side of the support frame away from the scanning unit, the two mounting plates 33 are arranged opposite to each other, a gap is left between the two mounting plates 33, and a plurality of guide wheels 35 are arranged on each mounting plate 33. The guide bodies on the two mounting plates 33 can contact different positions of the workpiece to be scanned, the gap between the two mounting plates 33 can accommodate the part of the workpiece to be scanned that is higher than the guide body, and the plurality of guide wheels 35 arranged on each mounting plate 33 can make multi-point contact with the workpiece to be scanned, and have a good guiding effect.

[0029] In the present invention, the supporting device also includes a bearing device and a slider device, the bearing device is connected to the driving device, the slider device is fixedly connected to the bearing device, the slider device and the first guide rail device form a sliding connection along the first direction, and the supporting frame is fixedly connected to the bearing device.

[0030] In the present invention, the driving device includes a driving body and a lead screw, the driving body is connected to the lead screw and can drive the lead screw to rotate along its own axis, the bearing device is threadedly connected to the lead screw, and the axis of the lead screw is parallel to the first direction. The driving body drives the lead screw to rotate, and the bearing device moves along the length direction of the lead screw under the guidance of the first guide rail device. The driving body can make the bearing device reciprocate along the axial direction of the lead screw by driving the lead screw to rotate forward and reversely.

[0031] The present invention further includes a counterweight device 53. The counterweight device 53 and the scanning unit are respectively fixedly connected to the two ends of the bearing device perpendicular to the axial direction of the lead screw, and the support frame and the scanning unit are fixedly connected to the same end of the bearing device. The counterweight device 53 is used to balance the forces at the two ends of the bearing device, which is conducive to ensuring the stability of operation.

[0032] The present invention further includes a second rail device, one end of the counterweight device 53 is fixedly connected to the load-bearing device, and the other end of the counterweight device 53 can slide relative to the second rail device along the first direction. One end of the counterweight device 53 acts on the load-bearing device to apply a certain counterweight to the load-bearing device, and the other end of the counterweight device 53 is slidably connected to the second rail device. The second rail device can guide the counterweight device 53 to a certain extent, and then guide the end of the load-bearing device away from the scanning unit, further ensuring the stability of the operation of the scanning unit.

[0033] The present invention further includes a storage unit 4, which is arranged on one side of the scanning unit. The storage unit 4 is used to support the workpiece to be scanned. The scanning unit can scan the workpiece to be scanned on the storage unit 4. The storage unit 4 can drive the workpiece to be scanned to move toward or away from the scanning unit and keep the workpiece to be scanned in position. When placing and removing the workpiece to be scanned, the storage unit 4 is moved to the side away from the scanning unit so that there is enough operating distance between the workpiece to be scanned and the guide device; after the workpiece to be scanned is placed, the storage unit 4 is moved to the side close to the scanning unit until the workpiece to be scanned contacts the guide wheel 35. The present invention can determine the rising distance of the storage unit 4 according to the size of the workpiece to be scanned, so as to adapt to the scanning of workpieces of different sizes.

[0034] The present invention also includes a control and display unit 2, and the scanning unit and the driving device are both connected to the control and display unit 2. The control and display unit 2 can control the start and stop of the scanning unit and the driving device, and the control and display unit 2 can display the working status of the scanning unit and the driving device and the temperature image of the scanned object.

[0035] As a preferred embodiment, the control and display unit 2 can be used to adjust the output speed of the driving device, thereby adjusting the moving speed of the scanning unit.

[0036] In the present invention, the scanning unit is an infrared thermal imaging unit, which can obtain the temperature image of the scanned object and transmit it to the control and display unit 2, which displays the temperature image. The infrared thermal imaging unit is preferably an infrared thermal imager 31.

[0037] In the present invention, the support frame includes two support plates 32 and two wing connecting plates 34, the two support plates 32 are arranged opposite to each other, the two wing connecting plates 34 are arranged opposite to each other, the two sides of each wing connecting plate 34 are fixedly connected to the two support plates 32, and each wing connecting plate 34 is perpendicular to the two support plates 32. The bearing device includes a slide 56 and a bearing table 36 fixedly connected to the top of the slide 56, the slider 61 is fixedly connected to the slide 56, the slide 56 is threadedly connected to the lead screw, the two ends of the bearing table 36 perpendicular to the axial direction of the lead screw are respectively fixedly connected with a counterweight device 53 and a scanning unit, and the scanning unit and the support frame (two support plates 32 and two wing connecting plates 34) are respectively fixedly connected to the upper and lower sides of the bearing table 36. The two wing connecting plates 34 are parallel to the two side surfaces of the infrared thermal imager 31 perpendicular to the first direction. The lower ends of the two support plates 32 are each fixedly connected with a mounting plate 33, and the number of guide wheels 35 on each mounting plate 33 is eight.

[0038] In the present invention, the first guide rail device includes two guide rails 52, and the slider device includes two sliders 61, and the two sliders 61 are respectively slidably connected to the two guide rails 52. The two guide rails 52 are arranged on both sides of the lead screw in the radial direction.

[0039] The present invention also includes a container 1, in which all components of the thermal infrared scanning system 100, including a scanning unit, a first guide rail device, a driving device, a guiding device, a second guide rail device, a storage unit 4 and a control and display unit 2, are integrated in the container 1. The container 1 provides sufficient working space for operators, which is convenient for overall lifting and transportation and meets the application requirements of different locations.

[0040] The present invention also includes a load-bearing platform 51, a mounting frame 55 and a support block 60. There are seven load-bearing platforms 51, all of which are fixed on the inner wall of the container 1. During installation, it is necessary to ensure that all load-bearing platforms 51 are at the same height and the load-bearing surface (upper surface) of the load-bearing platform 51 is parallel to the bottom surface of the container 1, and the spacing between all load-bearing platforms 51 is consistent; the guide rail 52 and the second guide rail device are fixedly connected to the load-bearing platform 51 through the support block 60. There are fourteen support blocks 60, and two support blocks 60 are fixed to each load-bearing platform 51. The second guide rail device has a guide groove 54, and the inner bottom wall of the guide groove 54 is parallel to the upper surface of the load-bearing platform 36. The counterweight device 53 is fixedly connected to the load-bearing platform 36 through the mounting frame 55.

[0041] In the present invention, the driving body includes a gear box 57, a motor 58, and a reducer 59. The reducer 59 and the gear box 57 are mounted on the end surface of the guide rail 52, and the motor 58 is mounted on the gear box 57. One end of the gear box 57 is connected to the motor 58 through a coupling; the other end of the gear box 57 is connected to the reducer 59 through a coupling, and the other end of the reducer 59 is connected to the lead screw through a coupling.

[0042] In the present invention, the counterweight device 53 is a synchronous belt, one end of which is fixed on the mounting frame 55 , and the other end is freely placed in the guide groove 54 .

[0043] In the present invention, the storage unit 4 includes a plurality of retractable brackets 41, which are arranged on the bottom surface of the container 1. A groove for placing the scanned document is arranged at the upper end of the bracket 41. The plurality of brackets 41 are arranged along a first direction.

[0044] As a preferred embodiment, the control and display unit 2 includes a control cabinet 21, a host computer controller 22 and an image display screen 23. The control cabinet 21 is fixed on the wall of the container 1. The control cabinet 21 is used to install components such as motor drivers and circuit boards. The control cabinet 21 also provides power for actuators such as motors 58; the host computer controller 22 is fixed on the wall of the container 1, provides operating software and an operating interface for operators, and displays the working status of actuators such as motors 58 in real time; there are four image display screens 23, all of which are fixed on the wall of the container 1, and are used to display temperature images of different positions of the core 42 in real time.

[0045] The working process of the thermal infrared scanning system 100 of the present invention is as follows: Before starting work, adjust the position of the scanning unit (infrared thermal imager 31) to the end of the guide rail 52 close to the motor 58, place the core 42 on the bracket 41, adjust the height of the bracket 41, ensure that the guide wheel 35 is attached to the outer wall of the core 42, and the scanning unit is located at one end of the core 42. Send a command through the host computer controller 22 to start the motor 58 and the scanning unit, the motor 58 rotates, and drives the lead screw to rotate through the gear box 57 and the reducer 59, thereby driving the slide 56 to move along the guide rail 52, and the slide 56 drives the bearing table 36, the scanning unit on the bearing table 36 and the guide device to move along the axial direction of the core 42. During the movement of the scanning unit, the core 42 is continuously scanned, and data is saved according to a pre-set frequency, and the data is transmitted to the host computer controller 22. The host computer controller 22 processes the received data and draws a temperature image through a preset program. The host computer controller 22 transmits the drawn temperature image to the image display screen 23 and displays it in real time, so that the on-site personnel can view the analysis results of the core 42 in the first time during the scanning process of the core 42, so as to determine whether each core 42 needs further analysis. When working on site, the speed of the motor 58 can be set according to time requirements to adjust the moving speed of the scanning unit. If the core 42 of a certain station needs to be analyzed in detail, the moving speed of the scanning unit can be reduced to perform a detailed scan. If the core 42 of a certain station only needs a simple analysis, the moving speed of the scanning unit can be increased to save scanning time. After the entire core 42 is scanned, the saved image can be spliced ​​with one key in the software on the host computer controller 22 to obtain a complete temperature image of the core 42.

[0046] 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 scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A thermal infrared scanning system, characterized in that: It includes a scanning device and a scanning moving unit, the scanning device includes a scanning unit and a guiding device; the scanning moving unit includes a first guide rail device and a driving device, the scanning unit is connected to the guiding device, the guiding device is connected to the driving device, the guiding device and the first guide rail device form a sliding connection along a first direction, the driving device can drive the guiding device to reciprocate along the first guide rail device, the guiding device can contact the outer wall of the to-be-scanned object extending along the first direction, and the guiding device can guide the guiding device along the first direction by moving along the outer wall of the to-be-scanned object extending along the first direction.

2. The thermal infrared scanning system according to claim 1, characterized in that: The guiding device includes a supporting device and two guiding bodies, and the supporting device is fixedly connected to the scanning unit; the two guiding bodies are arranged opposite to each other, and each guiding body includes at least one guide wheel, and each guide wheel is connected to the supporting device, and the outer wall of each guide wheel can guide the guiding device along the first direction by contacting the outer wall of the workpiece to be scanned.

3. The thermal infrared scanning system according to claim 2, characterized in that: Each of the guide wheels is rotatably connected to the supporting device, and each of the guide wheels can roll along the length direction of the workpiece to be scanned when in contact with the outer wall of the workpiece to be scanned.

4. The thermal infrared scanning system according to claim 2, characterized in that: The supporting device includes a supporting frame and two mounting plates, wherein the supporting frame is connected to the scanning unit; each mounting plate is fixedly connected to a side of the supporting frame away from the scanning unit, the two mounting plates are arranged opposite to each other, a gap is left between the two mounting plates, and each mounting plate is provided with a plurality of guide wheels.

5. The thermal infrared scanning system according to claim 4, characterized in that: The supporting device also includes a bearing device and a slider device, the bearing device is connected to the driving device, the slider device is fixedly connected to the bearing device, the slider device and the first guide rail device form a sliding connection along the first direction, and the supporting frame is fixedly connected to the bearing device.

6. The thermal infrared scanning system according to claim 5, characterized in that: The driving device includes a driving body and a lead screw. The driving body is connected to the lead screw and can drive the lead screw to rotate along its own axis. The bearing device is threadedly connected to the lead screw. The axis of the lead screw is parallel to the first direction.

7. The thermal infrared scanning system according to claim 6, characterized in that: It also includes a counterweight device, wherein the counterweight device and the scanning unit are respectively fixedly connected to two ends of the bearing device perpendicular to the axial direction of the lead screw, and the support frame and the scanning unit are fixedly connected to the same end of the bearing device.

8. The thermal infrared scanning system according to claim 7, characterized in that: It also includes a second guide rail device, one end of the counterweight device is fixedly connected to the bearing device, and the other end of the counterweight device can slide relative to the second guide rail device along the first direction.

9. The thermal infrared scanning system according to claim 1, characterized in that: It also includes a storage unit, which is arranged on one side of the scanning unit. The storage unit is used to support the piece to be scanned. The scanning unit can scan the piece to be scanned on the storage unit. The storage unit can drive the piece to be scanned to move toward or away from the scanning unit and keep the piece to be scanned in position.

10. The thermal infrared scanning system according to claim 1, characterized in that: It also includes a control and display unit, and the scanning unit and the driving device are both connected to the control and display unit. The control and display unit can control the start and stop of the scanning unit and the driving device, and the control and display unit can display the working status of the scanning unit and the driving device and the temperature image of the scanned object.

Images