CN214122075U - Light-excitation infrared thermal imaging nondestructive testing system - Google Patents
Light-excitation infrared thermal imaging nondestructive testing system Download PDFInfo
- Publication number
- CN214122075U CN214122075U CN202023325093.5U CN202023325093U CN214122075U CN 214122075 U CN214122075 U CN 214122075U CN 202023325093 U CN202023325093 U CN 202023325093U CN 214122075 U CN214122075 U CN 214122075U
- Authority
- CN
- China
- Prior art keywords
- light
- cover
- excitation source
- circuit
- outer cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model discloses a photoexcitation infrared thermal imaging nondestructive test system belongs to the test technology field, and the system includes the excitation source module, and the excitation source module includes the dustcoat, locates inside snoot of dustcoat and head and stretches into the thermal imager to the snoot, is equipped with the halogen lamp in the snoot and constitutes the light array, integrates the height, and the portability is strong, can realize simultaneously by the thermal treatment and the infrared detection of test piece, has avoided the error that the heating detected the appearance again earlier, detects the precision and improves by a wide margin. Meanwhile, the excitation light emitted by the halogen lamp is converged through the light-gathering cover, and the light-gathering cover is arranged inside the outer cover, so that the convergence effect of the excitation light can be improved.
Description
Technical Field
The utility model relates to a test technical field especially relates to a light excitation infrared thermal imaging nondestructive test system.
Background
The infrared thermal imaging detection technology is a novel nondestructive detection technology applied in multidisciplinary intersection and multiple fields. The research of the infrared thermal imaging detection technology has important significance in the fields of surface scanning of wind tunnel compressor blades, aerospace equipment shells, petrochemical engineering pipelines, power transmission equipment, machinery, rail transit, new energy and the like.
The basic principle of the infrared thermal imaging detection technology is as follows: the tested piece is heated through a specific light excitation mode, due to the fact that discontinuity defects exist in the tested piece, heat transfer performance is affected, temperature difference is generated on the surface of the tested piece, and then infrared radiation capacity of the surface of the tested piece is different. And then, detecting the radiation distribution of the tested piece by using a thermal infrared imager, and obtaining the internal defect characteristic information of the tested piece through the acquired thermal image sequence and a corresponding optimization image processing algorithm.
However, in the existing infrared thermal imaging detection process, heating and detection need to be realized through two steps, namely, a piece to be detected needs to be heated firstly, and then the piece to be detected is detected by using an infrared thermal imager. In the process, as the two steps are carried out separately, the heated tested piece can quickly lose heat along with the lapse of time, so that certain errors can appear in the result of subsequent infrared thermal imaging detection, and particularly, the errors are fatal when relatively precise parts such as wind tunnel blades and the like are detected. Secondly, the existing infrared thermal imaging detection device also has the problems of non-ideal convergence effect on the excitation light and low integration level.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome and can't realize heating and the detection to being tested the piece simultaneously among the prior art to and the unsatisfactory, the not high enough problem of integrated level of the effect of assembling of exciting light, provide a light excitation infrared thermal imaging nondestructive test system.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a light excitation infrared thermal imaging nondestructive test system, the system specifically includes the excitation source module, and the excitation source module includes the dustcoat, locates the snoot of dustcoat inside and the thermal imager that the head stretched into the snoot, is equipped with the halogen lamp in the snoot and constitutes the optical array.
As an option, the system further comprises an excitation source management module, wherein the excitation source management module comprises an industrial personal computer, a control unit and a signal generation unit; the thermal imager, the industrial personal computer, the control unit, the signal generating unit and the optical array are sequentially connected, and the industrial personal computer is bidirectionally connected with the control unit.
As an option, the top of the light-gathering cover is fixed inside the outer cover through a connecting plate, the connecting plate is provided with a connecting hole matched with the head of the thermal imager, and the top of the light-gathering cover is provided with a detection hole corresponding to the thermal imager detection window.
As an option, the halogen lamps in the snoot are evenly distributed.
As an option, the excitation source module further comprises a lengthened cover, the lengthened cover is arranged below the outer cover, a window matched with the bottom of the light-gathering cover is formed in the top of the lengthened cover, and the lengthened cover and the light radiation window of the light-gathering cover are in the same direction.
As an option, a first fan is disposed on the housing.
As an option, a grippable handle is connected to the housing.
As an option, a display is arranged at the top of the outer cover and is in bidirectional connection with the industrial personal computer.
As an option, the excitation source management module comprises a case, and an industrial personal computer is arranged in the case; the chassis is integrated with interfaces corresponding to the data lines and the power lines in the grippable handle.
As an option, the signal generating unit comprises a mode switching and driving control circuit, a low-frequency sine circuit and a pulse generating circuit, the control unit is respectively connected with the low-frequency sine circuit and the pulse generating circuit through the mode switching and driving control circuit, the low-frequency sine circuit and the pulse generating circuit are connected through a converting unit, the output end of the mode switching and driving control circuit is connected to the converting unit, and the output end of the pulse generating circuit is connected to the optical array.
It should be further noted that the technical features corresponding to the above-mentioned system options can be combined with each other or replaced to form a new technical solution.
Compared with the prior art, the utility model discloses beneficial effect is:
(1) the utility model converges the exciting light emitted by the halogen lamp through the light-gathering cover, and the light-gathering cover is arranged inside the outer cover, thus improving the converging effect of the exciting light; the excitation source module includes the dustcoat, locates the snoot and the thermal imaging system that the head inside the dustcoat stretched into to the snoot, is equipped with the halogen lamp in the snoot and constitutes the optical array, integrates the height, and the portability is strong, can realize simultaneously by the thermal treatment and the infrared detection of test piece, has avoided heating earlier to detect the error that appears again, detects the precision and improves by a wide margin.
(2) The utility model discloses snoot, thermal imager are fixed in inside the dustcoat, can protect halogen lamp and thermal imager better, prevent to take place the touching with the foreign object.
(3) The utility model discloses evenly distributed's halogen lamp cooperation snoot has guaranteed the homogeneity of radiation at the light source of being tested the piece, has reduced because the light source is inhomogeneous and the facula that forms surveys the near surface temperature field of waiting to examine the part interference when changing to infrared thermal imager, has guaranteed the detection precision.
(4) The utility model discloses the dustcoat below still is equipped with the extension cover with the optical radiation window syntropy of snoot, can once only gather more thermal image sequences of being tested the piece when guaranteeing the excitation light spotlight nature.
(5) The utility model discloses be connected with on the dustcoat and to grip the handle, operating personnel can be through gripping the handle, and handheld excitation source module detects to being tested the part, is convenient for adjust the excitation source and by the distance between the test piece, convenient to use, improved detection efficiency.
(6) The utility model discloses be equipped with first fan on the dustcoat to guarantee imager's normal work, can not be because of mechanical fault appears in the high temperature.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention.
Fig. 1 is a side view of an excitation source module according to embodiment 1 of the present invention;
fig. 2 is a top view of an excitation source module according to embodiment 1 of the present invention;
fig. 3 is a bottom view of an excitation source module according to embodiment 1 of the present invention;
fig. 4 is a side view of an excitation source management module according to embodiment 1 of the present invention;
fig. 5 is a side view of an excitation source management module according to embodiment 1 of the present invention;
fig. 6 is a circuit block diagram of an excitation source management module according to embodiment 1 of the present invention;
fig. 7 is a schematic circuit diagram of a signal generating unit according to embodiment 1 of the present invention.
In the figure: the device comprises an excitation source module 11, an outer cover 111, a light-collecting cover 112, a halogen lamp 1121, a lamp holder 1122, a thermal imager 113, a connecting plate 114, a lengthened cover 115, a grippable handle 116, a display 117, a first fan 118, a carrier plate 119, a fixing sheet 120, a VGN wire 121, an integrated wiring harness 122, a power line 123, a 2K aviation plug 124, a 2B aviation plug 125, a button 126 and a screen panel 127;
the device comprises an excitation source management module 12, an industrial personal computer 121, a case 122, a second fan 123, a power aviation socket 124, a power switch 125, a USB socket 126, a 2K aviation socket 127, a 2B aviation socket 128, a VGN socket 129, a partition 130, a seat board 131 and a second button 132.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are the directions or positional relationships indicated on the basis of the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
As shown in fig. 1, in embodiment 1, a system for nondestructive testing by optical excitation infrared thermal imaging specifically includes an excitation source module 11, where the excitation source module 11 includes an outer cover 111, a light-gathering cover 112 disposed inside the outer cover 111, and a thermal imager 113 whose head extends into the light-gathering cover 112, and a halogen lamp 1121 is disposed in the light-gathering cover 112 to form an optical array. As an embodiment, the outer cover 111 is of a streamline design, the top is of a rectangular plane design, the bottom is of a round design, the whole body is of a thin plate part, and the inner part is hollow. The top of the snoot 112 is designed as a regular hexagon, the bottom of the snoot is designed as a circle, the whole snoot adopts a thin plate part, and the inside of the snoot is hollow. The light-gathering cover 112 is placed in the outer cover 111, the opening of the light-gathering cover 112 is in the same direction as the opening of the outer cover 111, the light-gathering cover 112 is placed at the top of the lengthened cover 115, and the outer side of the light-gathering cover 112 is in contact with the inner side of the outer cover 111.
The utility model can collect the excitation light emitted from the halogen lamp 1121 through the light-collecting cover 112, and the light-collecting cover 112 is arranged inside the outer cover 111, so that the collection effect of the excitation light can be improved; the excitation source module 11 comprises an outer cover 111, a light-gathering cover 112 and a thermal imager 113, wherein the light-gathering cover 112 and the head of the light-gathering cover 112 are arranged inside the outer cover 111, a halogen lamp 1121 is arranged in the light-gathering cover 112 to form an optical array, the integration is high, the portability is high, the heating treatment and the infrared detection of a tested piece can be realized at the same time, the error caused by the detection after the heating is avoided, and the detection precision is greatly improved.
Further, the system also comprises an excitation source management module 12, wherein the excitation source management module 12 comprises an industrial personal computer 121, a control unit and a signal generation unit; the thermal imager 113, the industrial personal computer 121, the control unit, the signal generating unit and the optical array are sequentially connected, and the industrial personal computer 121 is bidirectionally connected with the control unit. Specifically, the control unit controls the signal generating unit to generate a pulse signal to excite the optical array, the optical array further heats the tested piece, the thermal imager 113 detects radiation distribution of the heated tested piece, an infrared chart sequence of the tested piece is further obtained and transmitted to the industrial personal computer 121, the industrial personal computer 121 performs data processing on the infrared chart sequence of the tested piece, and image representation after defect enhancement of the tested piece is achieved.
Further, as shown in fig. 2, the top of the light-collecting cover 112 is fixed inside the outer cover 111 through a connecting plate 114, a connecting hole adapted to the head of the thermal imager 113 is formed in the connecting plate 114, so that the head of the thermal imager 113 extends into the light-collecting cover 112, a detecting hole corresponding to a detecting window of the thermal imager 113 is formed in the top of the light-collecting cover 112, and heating and thermal image sequence acquisition of the tested piece are achieved simultaneously; the light-gathering cover 112 and the thermal imager 113 are fixed inside the outer cover 111, so that the halogen lamp 1121 and the thermal imager 113 can be better protected, and the halogen lamp and the thermal imager 113 can be prevented from being touched by external objects. In one embodiment, the top of the light-gathering cover 112 and the connecting plate 114 may be fixed by a screw or by a fixing plate 120, the connecting plate 114 is fixed inside the housing 111 by the fixing plate 120, the bottom (the end away from the head) of the thermal imager 113 is fixed on the connecting plate 114 by a screw, and the head of the thermal imager 113 directly extends into the connecting hole.
Further, as shown in fig. 3, the halogen lamps 1121 are uniformly distributed inside the snoot 112. As an embodiment, lamp brackets 1122 are arranged on each side of the top of the regular hexagon of the light-gathering cover 112, corresponding halogen lamps 1121 (halogen photoelectric lamps) are arranged on the lamp brackets 1122, and 6 halogen lamps 1121 are installed at an angle of 60 degrees, so that the halogen lamps 1121 are uniformly distributed, and the uniformity of a light source radiating on a tested part is ensured by matching with the light-gathering cover 112 with a square and ground circular curved surface, thereby reducing the interference of light spots formed due to non-uniform light sources when an infrared thermal imager detects the near-surface temperature field change of the part to be tested, and ensuring the detection accuracy.
Further, the excitation source module 11 further includes a lengthened hood 115, the lengthened hood 115 is disposed below the outer cover 111, a window adapted to the bottom of the light-collecting hood 112 is formed at the top of the lengthened hood 115, and the lengthened hood 115 and the light radiation window of the light-collecting hood 112 are in the same direction. In particular, the bottom of the outer cover 111 is placed on the top of the lengthened cover 115, so that the thermal image sequence of more tested pieces can be acquired at one time while the light focusing performance of the excitation source is ensured. As an embodiment, the lengthened hood 115 is in a streamline design, the top is in a round design, the bottom is in a rectangular design, the whole body is made of a thin plate, and the inside of the lengthened hood is hollow.
Further, the first fan 118 is arranged on the outer cover 111, as an option, two first fans 118 are arranged on the outer cover 111, the two fans are symmetrically arranged and are respectively arranged on one surface inside the outer cover 111, the two fans are coplanar and distributed at 180 degrees, the plane formed by the two fans and the grip handle 116 are coplanar and distributed at 90 degrees, a convection heat dissipation channel is formed, so that the normal operation of the imager is ensured, and mechanical failure due to overhigh temperature is avoided.
Furthermore, the outer cover 111 is connected with a grippable handle 116, so that an operator can hold the excitation source module 11 to detect the tested part by holding the handle, the distance between the excitation source and the tested part is convenient to adjust, the use is convenient, and the detection efficiency is improved. Specifically, the grippable handle 116 is designed to be triangular, the interior of the grippable handle 116 is hollow, opposite ends of the triangle are used for entering and exiting of a circuit, the VGA line 121, the integrated wiring harness 122 and the power line 123 can penetrate through the hollow portion in the grippable handle 116 into the housing 111, wherein the integrated wiring harness 122 comprises a data line and a power line, the power line and the power line 123 in the integrated wiring harness 122 form a power bus, a switch is arranged on the power bus, a first button 126 corresponding to the switch is arranged on the upper portion of the grippable handle 116, and the excitation source module 11 (thermal imager + halogen lamp) can start to work by pressing the first button 126. More specifically, the length of the VGA wire 121 is 2 meters, one end of the VGA wire penetrates out of the grippable handle 116, enters the housing and is connected with the display 117, and the other end of the VGA wire is connected with the industrial personal computer 121 in the excitation source management module 12; the total length of the integrated wiring harness 122 is 2 meters, a 19-core 0.3 square double-pin signal shielding wire is adopted, one end of the integrated wiring harness penetrates out of the grippable handle 116, and enters the outer cover 111 to be connected with the thermal imager 113, the display 117 and the first fan 118; the other end is connected into a 2K aviation plug 124 and is connected with an industrial personal computer 121 in the excitation source management module 12; the total length of the power cord 123 is 2 meters, a double-core 2.5-square 500-strand excitation wire is adopted, one end of the excitation wire penetrates out of the grippable handle 116 and enters the outer cover 111 to supply power for the halogen lamp, and the other end of the excitation wire is connected into the 2B aviation plug 125.
Further, a display 117 is arranged at the top of the housing 111, and the display 117 is bidirectionally connected with the industrial personal computer 121. In one embodiment, the top of the outer cover 111 is provided with a groove, a screen plate 127 is fixed in the groove, the main body of the screen plate 127 is in a rectangular hollow design, a touch screen is placed in the hollow part, and a defect representation image of the tested piece can be observed through the touch screen.
Further, as shown in fig. 4 to 5, the excitation source management module 12 includes a chassis 122, and the industrial personal computer 121 is disposed in the chassis 122; the chassis 122 integrates interfaces corresponding to the data lines and the power lines in the grippable handle 116, specifically, the VGA lines 121 and the integrated wiring harness 122. Specifically, one side of the chassis 122 is provided with a VGA socket 129, a 2B air socket 128, a 2K air socket 124, a USB socket 126 and a second button 132, and the other side of the chassis 122 is provided with a power supply air socket 124, a power supply switch 125 and a second fan 123. The VGA socket 129 is arranged on the central line of the side surface of the box body and is close to one side of the case 122; the 2B aviation socket 128, the 2K aviation socket 127 and the USB socket 126 are slightly higher than the VGA socket 129 and are installed one by one in the same horizontal plane, and the distances are the same; the second button 132 and the USB socket 126 are installed in the same vertical plane, and the second button 132 is arranged on a power circuit of the industrial personal computer 121 and used for controlling the industrial personal computer 121 to start and stop; the power switch 125 and the VGA socket 129 are installed in the same horizontal plane, the power aviation socket 124 and the 2B aviation socket 128 of the chassis 122 are installed in the same horizontal plane, and two second fans 123 for dissipating heat are installed at the other side of the power switch 125, near the side and the bottom of the chassis 122. Furthermore, a seat board 131 is disposed at the bottom of the case 122, the industrial computer 121 and the partition 130 are disposed on the seat board 131 in parallel, and the signal generating unit is also fixed on the seat board 131.
Further, as shown in fig. 6, the signal generating unit includes a mode switching and driving control circuit, a low-frequency sine circuit and a pulse generating circuit, the control unit is connected to the low-frequency sine circuit and the pulse generating circuit through the mode switching and driving control circuit, the low-frequency sine circuit and the pulse generating circuit are connected through a converting unit, an output end of the mode switching and driving control circuit is connected to the converting unit, and an output end of the pulse generating circuit is connected to the optical array. Wherein, the control unit is a DSP controller, the utility model discloses the DSP controller is used for encouraging the halogen lamp according to preset phase-locked mode or pulse mode; the mode switching and driving control circuit comprises a mode switching circuit and a driving control circuit, the mode switching circuit is used for switching the excitation mode of the current halogen lamp, and the driving control circuit is used for amplifying the control signal output by the DSP controller.
Furthermore, as shown in fig. 7, the input capacitor C1, the switching tubes Q1 to Q2 and the output LC filter form a half-bridge low-frequency sine circuit, the middle stage forms a mode switching circuit with the switching tubes Q3 to Q4, the rear stage forms a pulse generating circuit with the filter capacitor C2 and the switching tubes Q5 to Q8, and VDCThe DC input voltage of the power supply system is excited, a 24V battery pack is adopted for generating the DC input voltage, and the control stages of the switching tubes Q1-Q8 are all connected with the I/O end of the DSP controller. Specifically, the DSP controller adopts SPWM (sinusoidal pulse width modulation) to drive and control the switching tubes Q1-Q2 in the low-frequency sinusoidal circuit. In order to simplify analysis, the duty ratio of a PWM signal output by the DSP controller at t is taken as D (t), the switching period is TS, and the PWM signal can be divided into two stages of TON and TOFF according to the state of a switching tube in one switching periodAnd (4) section. When the current is in the TON stage, the switching tube Q1 is in the on state, the switching tube Q2 is in the off state, the inductor current is in the rising stage, and the inductor is in the energy storage state; when in the TOFF stage, the switching transistor Q1 is in an off state, the switching transistor Q2 is in an on state, the inductor current continues to flow through the switching transistor Q2, and the inductor current continues to release energy for the capacitor and the load, and the inductor current is in a decay stage. Switch tube Q in mode switching circuit3～Q4The drain electrodes of the two-way switch are respectively connected with an input 24V and a half-bridge low-frequency sine output and are controlled by a control switch tube Q3～Q4Thereby implementing a mode switching function. The pulse generating circuit generates a PWM control signal with fixed frequency by the DSP controller to control four MOSFET switching tubes of a full bridge, and at a load end, a direct current signal or a sinusoidal alternating current signal is chopped into discontinuous pulse chopping signals. More specifically, when the halogen lamp works in a pulse mode, the DSP controller disables a control signal for controlling a signal pin of the low-frequency sinusoidal circuit to control the low-frequency sinusoidal circuit, and at the moment, current is converted into a pulse signal with positive and negative voltages through a battery anode, a fuse and a mode switching circuit to be chopped and converted into a pulse signal with the positive and negative voltages to excite the halogen lamp; when the device works in a phase-locked mode, the DSP outputs an SPWM control signal to control the low-frequency sinusoidal circuit, then MOSFET switching tubes in the low-frequency sinusoidal circuit are conducted alternately, at the moment, the current is converted into a sinusoidal signal with direct current bias through a fuse by a battery anode and the low-frequency sinusoidal circuit, and then the sinusoidal signal is converted into a sinusoidal pulse signal with positive and negative voltages through the switching tubes in the phase-locked mode to be chopped by a pulse generating circuit to excite the halogen lamp.
Furthermore, the excitation source management module further comprises a decoupling circuit, a synchronous trigger module and a power supply management circuit. The output end of the decoupling circuit is connected with the control unit and is used for removing noise on a power supply tube pin of the control chip; the output end of the synchronous trigger module is connected with the thermal imager, the synchronous trigger module consists of a Schmitt trigger buffer and is mainly used for sending a synchronous trigger signal sent by the DSP controller to the thermal infrared imager to trigger the thermal imager to work, the thermal imager synchronously captures transient images through external trigger, and the thermal image sequence acquisition performance of the thermal imager is improved. The power management circuit is used for supplying power to the whole system, and comprises an isolation power module for reducing the ripple voltage of the display 117 to 20 millivolts so as to solve the problem of screen flicker of the display 117.
The above detailed description is the detailed description of the present invention, and it can not be considered that the detailed description of the present invention is limited to these descriptions, and to the ordinary skilled person in the art to which the present invention belongs, without departing from the concept of the present invention, a plurality of simple deductions and replacements can be made, which should be regarded as belonging to the protection scope of the present invention.
Claims (10)
1. A kind of light stimulates the infrared thermal imaging nondestructive test system, characterized by that: the system comprises an excitation source module (11), wherein the excitation source module (11) comprises an outer cover (111), a light-gathering cover (112) arranged inside the outer cover (111) and a thermal imager (113) with the head extending into the light-gathering cover (112), and a halogen lamp (1121) is arranged in the light-gathering cover (112) to form an optical array.
2. The system of claim 1, wherein the system comprises: the system also comprises an excitation source management module (12), wherein the excitation source management module (12) comprises an industrial personal computer (121), a control unit and a signal generation unit;
the thermal imager (113), the industrial personal computer (121), the control unit, the signal generating unit and the optical array are sequentially connected, and the industrial personal computer (121) is connected with the control unit in a bidirectional mode.
3. The system of claim 1, wherein the system comprises: the top of the light-gathering cover (112) is fixed inside the outer cover (111) through a connecting plate (114), the connecting plate (114) is provided with a connecting hole matched with the head of the thermal imager (113), and the top of the light-gathering cover (112) is provided with a detection hole corresponding to a detection window of the thermal imager (113).
4. The system of claim 1, wherein the system comprises: the halogen lamps (1121) in the light-gathering cover (112) are uniformly distributed.
5. The system of claim 1, wherein the system comprises: the excitation source module (11) further comprises a lengthening cover (115), the lengthening cover (115) is arranged below the outer cover (111), a window matched with the bottom of the light-collecting cover (112) is formed in the top of the lengthening cover (115), and the lengthening cover (115) and a light radiation window of the light-collecting cover (112) are in the same direction.
6. The system of claim 1, wherein the system comprises: the outer cover (111) is provided with a first fan (118).
7. The system of claim 2, wherein the system comprises: the outer cover (111) is connected with a grippable handle (116).
8. The system of claim 2, wherein the system comprises: the top of the outer cover (111) is provided with a display (117), and the display (117) is in bidirectional connection with the industrial personal computer (121).
9. The system of claim 7, wherein: the excitation source management module (12) comprises a case (122), and the industrial personal computer (121) is arranged in the case (122); interfaces corresponding to the data lines and the power lines (123) in the grippable handle (116) are integrated on the case (122).
10. The system of claim 2, wherein the system comprises: the signal generating unit comprises a mode switching and driving control circuit, a low-frequency sine circuit and a pulse generating circuit, the control unit is respectively connected with the low-frequency sine circuit and the pulse generating circuit through the mode switching and driving control circuit, the low-frequency sine circuit and the pulse generating circuit are connected through a converting unit, the output end of the mode switching and driving control circuit is connected to the converting unit, and the output end of the pulse generating circuit is connected to the optical array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023325093.5U CN214122075U (en) | 2020-12-31 | 2020-12-31 | Light-excitation infrared thermal imaging nondestructive testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023325093.5U CN214122075U (en) | 2020-12-31 | 2020-12-31 | Light-excitation infrared thermal imaging nondestructive testing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214122075U true CN214122075U (en) | 2021-09-03 |
Family
ID=77492949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023325093.5U Active CN214122075U (en) | 2020-12-31 | 2020-12-31 | Light-excitation infrared thermal imaging nondestructive testing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214122075U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112782226A (en) * | 2020-12-31 | 2021-05-11 | 四川沐迪圣科技有限公司 | Light-excitation infrared thermal imaging nondestructive testing method and system, storage medium and terminal |
-
2020
- 2020-12-31 CN CN202023325093.5U patent/CN214122075U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112782226A (en) * | 2020-12-31 | 2021-05-11 | 四川沐迪圣科技有限公司 | Light-excitation infrared thermal imaging nondestructive testing method and system, storage medium and terminal |
| CN112782226B (en) * | 2020-12-31 | 2024-05-03 | 四川沐迪圣科技有限公司 | Photo-excitation infrared thermal imaging nondestructive detection method, system, storage medium and terminal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214122075U (en) | Light-excitation infrared thermal imaging nondestructive testing system | |
| CN107256697A (en) | Backlight drive circuit | |
| CN109150107A (en) | A kind of solar cell module IV-EL all-in-one machine tester | |
| CN102364405A (en) | Device for detecting temperature control property of light source driving circuit | |
| CN201514316U (en) | Solar battery spectral response tester | |
| CN103528992B (en) | System and method for measuring methane distribution in livestock house | |
| CN109342948A (en) | Portable type solar energy battery component performance detection comparator | |
| CN209946309U (en) | IGBT drive test circuit | |
| CN204392650U (en) | Multifunctional intelligent desk lamp | |
| CN201803957U (en) | Non-contact type device for detecting defect of solar battery | |
| CN218330518U (en) | Optical lens check out test set | |
| CN205537965U (en) | Portable flash light excitation heat wave nondestructive test device | |
| CN211083888U (en) | Solar street lamp with air detection function | |
| CN112782226B (en) | Photo-excitation infrared thermal imaging nondestructive detection method, system, storage medium and terminal | |
| CN108168611A (en) | A kind of novel environmental monitoring device | |
| CN207365474U (en) | A kind of electric power observation and control equipment for solar energy collecting | |
| TWI380739B (en) | Fluorescent lamp driving circuit | |
| JP2014071082A (en) | Method of inspecting photovoltaic power generation device, linear light source device and inspection device used therefor, and photovoltaic power generation system | |
| CN209872925U (en) | Portable PCR real-time fluorescence detection system | |
| CN208475686U (en) | A kind of light-focusing type solar thermoelectric coproduction device | |
| CN219611726U (en) | Portable photovoltaic module power detection device | |
| CN213186042U (en) | Photovoltaic module detection device | |
| CN105784194A (en) | Multi-point temperature detection integrated device and multi-point temperature detecting system | |
| CN110415617A (en) | A kind of lamp source component and display panel | |
| CN201251542Y (en) | Digital color comparator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |