CN213455865U - Infrared thermal imager matched with mobile phone for external connection - Google Patents

Abstract

The utility model provides an infrared thermal imager matched with mobile phone external connection, which comprises a lens component, a shutter component, a detection component, a signal processing component, an image processing component, a WiFi connection component, a power supply component and an external hanging component, wherein the infrared thermal imager also comprises a strip-shaped shell, the detection component, the signal processing component, the image processing component and the WiFi connection component all comprise PCB structures, and all PCB structures are sequentially arranged in parallel and are fixed through copper connecting columns and are electrically connected with one another; the utility model discloses only including the inside a plurality of electronic components of shell under inoperative state, only have lens subassembly and external subassembly to be located the shell surface, its whole volume is less, and can be convenient handheld or put in hand-carrying package inside, portable and use, very big promotion use and the convenience in the transportation, also enlarged application scope simultaneously for operating personnel can go deep into the scene, know infrared data in the time of any needs.

Description

Infrared thermal imager matched with mobile phone for external connection

Technical Field

The utility model relates to an infrared thermal imaging equipment technical field, concretely relates to external thermal infrared imager of cooperation cell-phone.

Background

An infrared thermal imager is a device that converts an image of the temperature distribution of a target object into a visible image by detecting the infrared radiation of the target object and applying signal processing, photoelectric conversion, and other means using an infrared thermal imaging technique. The thermal infrared imager accurately quantifies the actually detected heat and images the whole of the target object in a surface form in real time, so that the suspected fault area which is generating heat can be accurately identified. The operator preliminarily judges the heating condition and the fault part through the image color displayed on the screen and the hotspot tracking display function, and simultaneously strictly analyzes, thereby embodying high efficiency and high accuracy in problem confirmation.

The thermal infrared imager generally comprises an optical mechanical assembly, a focusing/zooming assembly, an internal non-uniformity correction assembly (hereinafter referred to as an internal correction assembly), an imaging circuit assembly and an infrared detector/refrigerator assembly. The optical-mechanical assembly mainly comprises an infrared objective lens and a structural component, wherein the infrared objective lens mainly realizes the convergent imaging of scene heat radiation, and the structural component is mainly used for supporting and protecting related components; the focusing/zooming assembly mainly comprises a servo mechanism and a servo control circuit, and realizes the functions of focusing, field switching and the like of the infrared objective lens; the internal correction assembly consists of an internal correction mechanism and an internal correction control circuit and is used for realizing the internal (non-uniformity) correction function of the thermal infrared imager; the imaging circuit component generally comprises a detector interface board, a main processing board, a refrigerator driving board, a power board and the like, and cooperatively realizes the functions of electrification control, signal acquisition, signal transmission, signal conversion, interface communication and the like. The infrared detector/refrigerator assembly mainly converts the infrared radiation collected by the infrared objective lens into an electrical signal.

The conventional infrared detector is usually of an integrated structure and includes not only the thermal imaging device described above but also a display device, which results in a large overall size and inconvenience in carrying and transportation. In order to solve the problem, a portable infrared detector which transmits image information through a data line or a network and remotely views an infrared image appears, but the infrared detector also causes that an operator who actually uses the detector on site cannot visually observe infrared image data, so that an infrared thermal imager which is more convenient to use is needed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides an infrared thermal imager matched with a mobile phone for external connection, which is used for solving the problem that the infrared thermal imager with a display device is inconvenient to carry and transport due to large volume in the existing infrared thermal imager; the infrared thermal imaging instrument without the display device can not lead the field operator to observe the infrared image data on the spot.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an external thermal infrared imager of cooperation cell-phone, includes lens subassembly, shutter subassembly, detection subassembly, signal processing subassembly, image processing subassembly, wiFi coupling assembling, power supply unit and external subassembly, thermal infrared imager still includes the shell of bar, and wherein shutter subassembly, detection subassembly, signal processing subassembly, image processing subassembly, wiFi coupling assembling, power supply unit set up inside the shell, and lens subassembly and external subassembly set up the both sides relative in shell surface respectively, and wherein the position setting of shutter subassembly and detection subassembly cooperation lens subassembly, detection subassembly, signal processing subassembly, image processing subassembly, wiFi coupling assembling all include the PCB plate structure, and parallel arrangement in proper order between the whole PCB plate is fixed and electric connection each other through the copper spliced pole.

Further, the lens component comprises an optical lens and an automatic diaphragm focusing mechanism matched with the optical lens, the shutter component comprises an electromagnetic valve shutter, the detection component comprises an infrared detector and a PCB connected with the infrared detector, and the optical lens, the electromagnetic valve shutter and the infrared detector are coaxially arranged.

Furthermore, the signal processing assembly comprises a PCB, and a filter circuit and a sequential circuit which are arranged on the PCB, wherein the filter circuit can realize ultra-low noise signal processing, and the sequential circuit realizes sequential transmission of signals.

Furthermore, the image processing assembly comprises an FPGA chip and an ARM chip which are respectively arranged on the two PCB boards and carry out processing work of the infrared image together.

Further, wiFi coupling assembling includes the PCB keysets and installs the wiFi antenna pedestal on the PCB keysets, wiFi antenna pedestal is connected with wiFi receiving and dispatching antenna to pass through wiFi with the cell-phone and be connected.

Further, the power supply module comprises a rechargeable battery, the anode and the cathode of the battery are respectively connected to the PCB adapter plate in the WiFi connection module, and sequentially supply power to the WiFi connection module, the image processing module, the signal processing module, the detection module, the shutter module and the lens module.

Furthermore, the plug-in component comprises a mobile phone support and a connecting seat, one end of the connecting seat is clamped in the shell, so that the mobile phone support can rotate on the surface of the shell through the connecting seat, the mobile phone support comprises a bottom plate connected with the connecting seat and clamping heads vertically arranged at two ends of the bottom plate, one clamping head can be movably arranged relative to the bottom plate, and therefore the distance between the clamping heads is adjusted to fix the mobile phone.

Furthermore, a plurality of anti-slip strips are arranged on the upper surface of the shell corresponding to the positions where the operating personnel hold the shell, a charging port is further arranged on the side surface of the shell corresponding to the position of the battery, and a dustproof rubber strip is arranged on the charging port.

Further, still including setting up the temperature sensor on optical lens, temperature sensor induction end is located optical lens medial surface, and through the infrared ray intensity induction temperature change of accepting, temperature sensor's output is connected to on the PCB board that signal processing subassembly included.

Further, the inside spout that is provided with of bottom plate, the spout corresponds mobilizable chuck one end opening, and is provided with the draw runner in the spout, wherein one end of draw runner stretches out the opening and links to each other with mobilizable dop bottom, the draw runner is located and is provided with the spring between inside one end terminal surface of spout and the spout, and when the bottom plate side was hugged closely to the dop, the spring was in tensile state.

The utility model discloses combine infrared thermal imager and cell-phone, turn into image signal with the infrared optical signal that infrared detector accepted, then transmit for the cell-phone with the mode that wiFi is connected, meanwhile, the utility model discloses a be provided with external subassembly on the shell, can install the direct centre gripping of cell-phone connected on the shell to regard as infrared detector's display device with the cell-phone screen, let operating personnel can direct observation to the infrared image who surveys.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses only include a plurality of electronic components inside the shell under inoperative state, only have lens subassembly and external subassembly to be located the shell surface, its whole volume is less, can convenient handheld or put in hand-carried package inside, portable and use, the convenience in use and transportation has greatly been promoted, application scope has also been enlarged simultaneously, make operating personnel can go deep into the scene, know infrared data in any required time;

2. the utility model discloses regard as the display end with the cell-phone, combine cell-phone and infrared thermal imager, not only simplified the equipment quantity of infrared thermal imager, the cost is reduced can also let operating personnel look over the infrared image that the scene detected through the cell-phone is audio-visual to better understanding real-time infrared information.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic side view of the present invention;

fig. 3 is a schematic view of the connection between the optical lens and all the PCB boards in embodiment 1 of the present invention;

fig. 4 is a schematic structural view of an external hanging component in embodiment 1 of the present invention;

FIG. 5 is a logic diagram of the present invention;

fig. 6 is a schematic view of the connection between the optical lens and all the PCB boards in embodiment 2 of the present invention;

fig. 7 is a schematic structural diagram of a power supply module in embodiment 2 of the present invention;

in the figure: 1. a housing; 2. an optical lens; 3. a solenoid valve shutter; 4. an infrared detector; 5. a signal plate; 6. an FPGA board; 7. an ARM board; 8. a PCB adapter plate; 9. connecting columns; 10. a battery; 11. a connecting seat; 12. a mobile phone support; 102. anti-slip strips; 201. a temperature sensor; 401. a detector board; 121. a base plate; 122. clamping a head; 123. a chute; 124. a slide bar; 125. a spring.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

Example 1:

as shown in fig. 1 and 2, the utility model provides an external thermal infrared imager of cooperation cell-phone, including camera lens subassembly, shutter subassembly, detection subassembly, signal processing subassembly, image processing subassembly, wiFi coupling assembling, power supply unit spare and external subassembly, these subassemblies combine together to constitute the utility model discloses an infrared thermal imager jointly.

In this embodiment, the thermal infrared imager further includes a strip-shaped housing 1, wherein the shutter assembly, the detection assembly, the signal processing assembly, the image processing assembly, the WiFi connection assembly, and the power supply assembly are disposed inside the housing 1, and the lens assembly and the plug-in assembly are disposed on two opposite sides of the surface of the housing 1, respectively. Specifically, this shell 1 wholly comprises two parts, including a cube structure and a cuboid structure, wherein the cube part is used for setting up lens subassembly, shutter subassembly, detection subassembly and including detection subassembly, signal processing subassembly, image processing subassembly, the wiFi coupling assembling of PCB plate structure, and the power supply subassembly then sets up inside the cuboid structure, and external subassembly sets up the outside at the cuboid structure. In the preferred scheme, the position that the upper surface of shell 1 corresponds operating personnel to grip is provided with a plurality of antislip strips 102, and wherein the both sides of cube structure and cuboid structure all are equipped with the antislip strip 102 of symmetry to let the user more stable when gripping, avoid appearing the slippage and lead to breaking the utility model discloses perhaps install the condition of the cell-phone above that.

In a further scheme, the lens assembly comprises an optical lens 2 and an automatic diaphragm focusing mechanism matched with the optical lens 2, the shutter assembly comprises an electromagnetic valve shutter 3, the detection assembly comprises an infrared detector 4 and a PCB (printed circuit board) connected with the infrared detector, namely a detector board 401, wherein the optical lens 2, the electromagnetic valve shutter 3 and the infrared detector 4 are coaxially arranged, so that light rays emitted by a detected object directly enter the infrared detector 4 after passing through the optical lens 2 and the shutter, and infrared signals of the light rays are collected and recorded.

The signal processing assembly comprises a PCB, and a filter circuit and a sequential circuit which are arranged on the PCB, wherein the PCB is called a signal board 5 in the embodiment, the filter circuit can realize ultra-low noise signal processing, and the sequential circuit realizes sequential transmission of signals. The signal processing assembly processes ultra-low noise signals after receiving the infrared data signals received by the infrared detector 4, and then transmits the processed data with time sequence information to a subsequent image processing assembly.

The image processing assembly comprises an FPGA chip and an ARM chip which are respectively arranged on two PCB boards, wherein the two PCB boards are respectively an FPGA board 6 and an ARM board 7, and the two PCB boards jointly process the infrared image. And reconstructing the original data through a preset image algorithm, and then performing analog-to-digital conversion and sending to a display for output.

WiFi coupling assembling includes PCB keysets 8 and installs the wiFi antenna pedestal on PCB keysets 8, wiFi antenna pedestal is connected with wiFi receiving and dispatching antenna to pass through wiFi with the cell-phone and be connected. WiFi coupling assembling passes through WiFi and cell-phone data connection to on can showing video data send the cell-phone APP to the completion in the image processing subassembly, finally show by cell-phone APP.

As shown in fig. 3, according to the functions of the different components, the concrete arrangement inside the cube structure in the present embodiment is as follows: optical lens 2, solenoid valve shutter 3, the coaxial setting of infrared detector 4, then detector board 401, signal board 5, FPGA board 6, ARM board 7, PCB keysets 8 parallel in proper order and set up side by side, and fixed through copper spliced pole 9, through different data line electric connection in order to realize data intercommunication each other. And finally, converting the optical image acquired by the optical lens 2 into an image of infrared thermal imaging, and sending the image to the mobile phone in a playable data format.

As shown in fig. 5, the utility model discloses at the during operation, at first gather the light that the detected object sent through optical lens 2, and cooperate shutter control sensitization process, then collect the infrared ray signal in the light through infrared detector 4, and transmit for semaphore panel 5, behind filter circuit processing and the sequential circuit on semaphore panel 5, take sequential information to transmit the FPGA board 6 and the ARM board 7 of image processing subassembly after the noise will be handled, rebuild the original data by predetermined image algorithm, then carry out analog-to-digital conversion and send and show the output, finally this video signal who handles passes through wiFi and transmits to the cell-phone on, show the broadcast through the supporting APP of installation on the cell-phone.

In a further scheme, the utility model discloses still including setting up temperature sensor 201 on optical lens 2, temperature sensor 201 induction end is located 2 medial surfaces of optical lens, and through the infrared intensity induction temperature change of accepting, temperature sensor 201's output is connected to the PCB board that the signal processing subassembly includes respectively, can further detect temperature information through temperature sensor 201 to correspond the infrared image that infrared thermal imager acquireed with the temperature, more audio-visual understanding detects the temperature situation of object that detects.

Correspondingly, the power supply assembly comprises a rechargeable battery 10, the anode and the cathode of the battery 10 are respectively connected to the PCB adapter plate 8 in the WiFi connecting assembly, and power is supplied to the WiFi connecting assembly, the image processing assembly, the signal processing assembly, the detection assembly, the shutter assembly and the lens assembly in sequence. The position that the side of shell 1 corresponds battery 10 still is provided with the mouth that charges, can use supporting charging wire to charge battery 10 through the mouth that charges, ensures inside electronic component's normal operating, and is preferred, it is equipped with dustproof adhesive tape on the mouth to charge.

As shown in fig. 1 and 2, in this embodiment, the plug-in component includes a phone holder 12 and a connecting seat 11, one end of the connecting seat 11 is clamped inside the housing 1, so that the phone holder 12 can rotate on the surface of the housing 1 through the connecting seat 11, the phone holder 12 includes a bottom plate 121 connected to the connecting seat 11 and chucks vertically arranged at two ends of the bottom plate 121, one of the chucks is movably arranged relative to the bottom plate 121, so as to adjust the distance between the chucks and fix the phone.

As shown in fig. 4, in a preferred embodiment of the present invention, a sliding groove 123 is disposed inside the bottom plate 121, the sliding groove 123 is open at one end corresponding to the movable chuck, a sliding strip 124 is disposed inside the sliding groove 123, one end of the sliding strip 124 extends out of the opening and is connected to the bottom of the movable chuck 122, a spring 125 is disposed between an end surface of the sliding strip 124 located inside the sliding groove 123 and the sliding groove 123, and when the chuck 122 is tightly attached to the side of the bottom plate 121, the spring 125 is in a stretching state. That is, when the two chucks 122 are at the nearest distance, the spring 125 is still in a stretching state, when the mobile phone needs to be placed, the movable chuck 122 is pulled out outwards, the mobile phone card is arranged between the two chucks 122, and then the movable chuck 122 is loosened, and under the pulling force of the spring 125, the two chucks 122 tightly clamp the two sides of the mobile phone, so that the mobile phone is fixed.

The utility model discloses combine infrared thermal imager and cell-phone, turn into image signal with the infrared optical signal that infrared detector 4 accepted, then transmit for the cell-phone with the mode that wiFi is connected, meanwhile, the utility model discloses a be provided with external subassembly on shell 1, can install the direct centre gripping of cell-phone connected on shell 1 to regard as infrared detector 4's display device with the cell-phone screen, let the infrared image that operating personnel can direct observation surveyed. The form of combining the mobile phone and the infrared thermal imager not only simplifies the equipment quantity of the infrared thermal imager and reduces the cost, but also can enable an operator to visually check the infrared image detected on site through the mobile phone, thereby better knowing real-time infrared information. Additionally, the utility model discloses only including a plurality of electronic component of shell 1 inside under the inoperative state, only having lens subassembly and external subassembly to be located shell 1 surface, its whole volume is less, and can be convenient handheld or put in hand-carrying package inside, portable and use, very big promotion use and the convenience in the transportation, also enlarged application scope simultaneously for operating personnel can go deep into the scene, know infrared data in any required time.

Example 2:

as shown in fig. 6 and 7, the rest of the present embodiment is the same as that of embodiment 1, except that the arrangement positions between the PCB boards are different.

Specifically, the cube structure in this embodiment does not include the ARM board 7 and the PCB adapter board 8, but integrates the receiving and transmitting functions of the WiFi into the ARM board 7, so the ARM board 7 becomes large in size and is not convenient to be disposed in the cube structure, and therefore the ARM board 7 is disposed inside the cuboid structure and is disposed in parallel with the battery 10 in this embodiment. This mode of setting up can simplify the quantity of PCB board, practices thrift the cost, has reduced the thickness of cube structure simultaneously for shell 1 is whole longer pleasing to the eye more, easily carries.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (10)

1. The utility model provides an external thermal infrared imager of cooperation cell-phone which characterized in that: including camera lens subassembly, shutter subassembly, detection subassembly, signal processing subassembly, image processing subassembly, wiFi coupling assembling, power supply unit spare and external subassembly, thermal infrared imager still includes the shell of bar, wherein shutter subassembly, detection subassembly, signal processing subassembly, image processing subassembly, wiFi coupling assembling, power supply unit spare set up inside the shell, camera lens subassembly and external subassembly set up the both sides relative on shell surface respectively, wherein shutter subassembly and the position setting of detection subassembly cooperation camera lens subassembly, detection subassembly, signal processing subassembly, image processing subassembly, wiFi coupling assembling all include the PCB plate structure, and parallel arrangement in proper order between the whole PCB board is fixed and electric connection each other through the copper spliced pole.

2. The infrared thermal imager matched with the external connection of the mobile phone according to claim 1, wherein: the lens assembly comprises an optical lens and an automatic diaphragm focusing mechanism matched with the optical lens, the shutter assembly comprises an electromagnetic valve shutter, the detection assembly comprises an infrared detector and a PCB connected with the infrared detector, and the optical lens, the electromagnetic valve shutter and the infrared detector are coaxially arranged.

3. The infrared thermal imager matched with the external connection of the mobile phone according to claim 1, wherein: the signal processing assembly comprises a PCB, and a filter circuit and a sequential circuit which are arranged on the PCB, wherein the filter circuit can realize ultra-low noise signal processing, and the sequential circuit realizes sequential transmission of signals.

4. The infrared thermal imager matched with the external connection of the mobile phone according to claim 1, wherein: the image processing assembly comprises an FPGA chip and an ARM chip which are arranged on the two PCB boards respectively, and the FPGA chip and the ARM chip carry out processing work of the infrared image together.

5. The infrared thermal imager matched with the external connection of the mobile phone according to claim 1, wherein: the WiFi connecting assembly comprises a PCB (printed circuit board) adapter plate and a WiFi antenna pedestal arranged on the PCB adapter plate, and the WiFi antenna pedestal is connected with a WiFi receiving and transmitting antenna and is connected with a mobile phone through WiFi.

6. The thermal infrared imager matched with the external mobile phone of claim 5, wherein: the power supply assembly comprises a rechargeable battery, and the anode and the cathode of the battery are respectively connected to the PCB adapter plate in the WiFi connecting assembly and sequentially supply power to the WiFi connecting assembly, the image processing assembly, the signal processing assembly, the detection assembly, the shutter assembly and the lens assembly.

7. The infrared thermal imager matched with the external connection of the mobile phone according to claim 1, wherein: the external hanging component comprises a mobile phone support and a connecting seat, one end of the connecting seat is clamped in the shell, so that the mobile phone support can rotate on the surface of the shell through the connecting seat, the mobile phone support comprises a bottom plate connected with the connecting seat and clamping heads vertically arranged at two ends of the bottom plate, one clamping head can be movably arranged relative to the bottom plate, and therefore the distance between the clamping heads is adjusted to fix the mobile phone.

8. The infrared thermal imager matched with the external connection of the mobile phone according to claim 1, wherein: the anti-slip device is characterized in that a plurality of anti-slip strips are arranged on the upper surface of the shell corresponding to the positions where operators hold the anti-slip strips, a charging port is further formed in the side surface of the shell corresponding to the position of the battery, and a dustproof rubber strip is arranged on the charging port.

9. The infrared thermal imager matched with the external connection of the mobile phone according to claim 1, wherein: still including setting up the temperature sensor on optical lens, temperature sensor induction end is located optical lens medial surface, and through the infrared ray intensity induction temperature change of accepting, temperature sensor's output is connected to on the PCB board that signal processing subassembly included.

10. The thermal infrared imager matched with the external mobile phone of claim 7, wherein: the inside spout that is provided with of bottom plate, the spout corresponds mobilizable chuck one end opening, and is provided with the draw runner in the spout, one of them end of draw runner stretches out the opening and links to each other with mobilizable dop bottom, the draw runner is located and is provided with the spring between inside one end terminal surface of spout and the spout, and when the bottom plate side was hugged closely to the dop, the spring was in tensile state.

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