CN218584280U - Gas leakage infrared imager - Google Patents

Abstract

The utility model provides a gas leakage infrared imager, including casing, touch display screen, infrared camera lens, touch display screen sets up the right flank at the casing, and the casing inboard is provided with narrowband optical filter, infrared detector, refrigerator, storage module, control panel, CPU image processing board, narrowband optical filter, infrared detector arrange in the refrigerator simultaneously and refrigerate, infrared detector integration is on the photoelectric conversion board and link to each other with it, photoelectric conversion board, display screen, storage module, control panel are connected with CPU image processing board respectively; the infrared lens is arranged on the front side face of the shell and corresponds to the infrared detector in the shell, and the narrow-band filter is located between the infrared detector and the infrared lens. This infrared imager is revealed to gas, based on thermal imaging system, the gaseous formation of image of matching precision narrowband filtering technique of realization narrow band detects, and ergonomic design theory is fully considered to its appearance structure, uses more convenient comfortable.

Description

Gas leakage infrared imager

Technical Field

The utility model relates to an infrared detection technology field, concretely relates to gaseous infrared imaging appearance of revealing.

Background

The hazards caused by gas leakage accidents occurring in various fields of daily life, industrial production, transportation and the like are manifold. Once combustible and explosive gases such as natural gas, petroleum gas and the like are leaked, serious accidents such as fire disasters, explosion and the like which harm the life and property safety of people are possibly caused. The leakage of toxic and harmful industrial gases such as hydrogen sulfide and ammonia gas also endangers the safety of human bodies, animals and plants. The leakage of some nontoxic and harmless gases can bring about a plurality of potential hazards, for example, the sulfur hexafluoride is an insulating gas in power transmission and power distribution equipment, is widely used in power systems of various countries in the world, has the global warming potential 2.39 times that of carbon dioxide, and has a great damage effect on the environment. Therefore, the research of gas leakage detection technology and the development of instruments are more important in all countries in the world.

With the development of thermal imaging technology, gas leakage infrared imaging detection technology has attracted much attention in recent years, and the gas leakage infrared imaging detection technology is becoming an important direction for technology development with its significant advantages of high efficiency, long distance, large range, etc., and tends to expand and gradually occupy the gas detection market at present. How to realize the detection of gas leakage based on the traditional infrared thermal imaging system and make the structure thereof fully meet the use requirements is the problem considered by people.

Disclosure of Invention

The utility model provides a gaseous infrared imaging appearance of revealing, based on thermal imaging system, the accurate narrowband optical filtering technique of collocation realizes the gaseous formation of image detection of narrow band, and ergonomic design theory is fully considered to its appearance structure, uses more convenient and comfortable.

The utility model adopts the technical proposal that:

a gas leakage infrared imager comprises a shell, a touch display screen and an infrared lens, wherein the touch display screen is arranged on the right side face of the shell, a narrow-band optical filter, an infrared detector, a refrigerator, a storage module, a control panel and a CPU image processing panel are arranged on the inner side of the shell, the narrow-band optical filter and the infrared detector are simultaneously arranged in the refrigerator for refrigeration, the infrared detector is integrated on a photoelectric conversion panel and connected with the photoelectric conversion panel, and the photoelectric conversion panel, the display screen, the storage module and the control panel are respectively connected with the CPU image processing panel; the infrared lens is arranged on the front side face of the casing and corresponds to the infrared detector in the casing, the narrow-band filter is located between the infrared detector and the infrared lens, and the rear side face of the casing is provided with an openable battery box.

Preferably, a voice module connected with the CPU image processing board is further arranged in the casing.

Preferably, the upper part of the front side surface of the casing is further provided with a laser ranging module and a visible light camera.

Preferably, the touch display screen is arranged in the screen shell, the screen shell is rotatably arranged on the right side face of the casing through the rotating shaft assembly, and the touch display screen is located on one face, attached to the casing, of the screen shell.

Preferably, the left side of casing is formed with palm laminating portion to the evagination, the top side of palm laminating portion is provided with anti-skidding sand grip, the outside extension of the rear side of palm laminating portion is formed with baffle portion, the front side of baffle portion and palm laminating portion is opened and is equipped with the wrist strap through-hole.

Preferably, a rocker cap is disposed on a rear side surface of the palm rest portion of the housing.

Preferably, the casing includes chassis, procapsid, left casing and right casing, the preceding lateral part setting on the inboard bottom surface of procapsid on the chassis, and with procapsid fixed connection, left side casing, right casing set up respectively in the left and right sides at the procapsid rear portion, and respectively with procapsid buckle connection, the chassis sets up on the bottom surface upper portion of left casing, right casing, and respectively with left casing, right casing fixed connection.

Preferably, the bottom surface of the chassis is provided with a plurality of air guide grooves along the length direction of the left shell and the right shell, the bottom of each air guide groove is provided with an air inlet, one side of the bottom of the chassis is provided with a fan, and the air inlet of the fan is arranged right opposite to the air guide grooves.

Preferably, a bottom plate is fixedly connected to the lower portion of the base plate, the bottom plate is arranged on the lower portion of the bottom surface of the left shell and the bottom plate of the right shell, and an air inlet and an air outlet of a fan are formed in the bottom plate.

Preferably, a handle is arranged on the upper side face of the casing, and the handle is fixedly connected to the left casing and the right casing.

Compared with the prior art, the beneficial effects of the utility model reside in that: the gas leakage infrared imager adopts a refrigeration type infrared detector and is matched with a precise narrow-band filtering technology, has high detection sensitivity and can be used for leakage detection of sulfur hexafluoride, ethane, ammonia gas, alkane gas and the like; the long-distance and non-contact detection mode ensures that the normal operation of the tested equipment is not influenced in the detection process; the touch display screen can rotate outwards by 180 degrees and is suitable for various detection scenes; the palm fitting part is arranged on the outer side of the shell and matched with the wrist strap for use, so that the hand fatigue of a user can be reduced; the casing is internally provided with a voice module, so that voice annotation and image shooting corresponding equipment are facilitated.

Drawings

Fig. 1 is a schematic front structural view of the present invention.

Fig. 2 is a schematic diagram of the back structure of the present invention.

Fig. 3 is a schematic structural view of the spindle cover and the spindle cover removed.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is a schematic structural view of the battery case with the left case and the battery case cover removed.

Fig. 6 is a schematic structural diagram of the screen shell removed.

Fig. 7 is a schematic view of the principle structure of the present invention.

In the figure: 1. a housing; 2. a screen housing; 3. an infrared lens; 4. a battery case; 5. a laser ranging module; 6. a visible light camera; 7. highlighting the illuminating lamp; 8. a power switch; 9. a rotating shaft assembly; 10. a palm fitting section; 11. anti-skid convex strips; 12. a rocker cap; 13. a refrigerator; 14. a fan; 15. an anti-skid cushion block; 16. a handle; 17. a heat dissipating through hole; 18. a fixed seat; 1-1, a chassis; 1-2, a front housing; 1-3, a left shell; 1-4, right shell; 1-5, a bottom plate; 1-11, a wind guide groove; 1-21, edge; 1-22, a clamping groove; 1-51 and a fan air inlet; 1-52 and an air outlet; 9-1, a rotating shaft bracket A;9-2, a rotating shaft bracket B;9-3, a rotating shaft; 9-4, hollow connecting column; 9-5, a rotating shaft sleeve; 9-6, a rotating shaft sleeve cover; 9-7, a rotating shaft cover; 10-1, a baffle part; 10-2, a wrist strap through hole; 4-1, a memory card slot; 16-1, a handle lower shell; 16-2, a handle upper shell; 16-3 and logo identification stickers.

Detailed Description

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

The utility model discloses an infrared imager is revealed to gas adopts the infrared array detector of refrigeration type focal plane to the accurate narrowband optical filtering technique of cooperation realizes that gaseous formation of image detects. The precise narrow-band filtering technology is characterized in that a narrow-band filter covering absorption peaks is added to an infrared lens and an infrared focal plane detector support according to different absorption peaks of infrared characteristics of detected gas, and therefore narrow-band gas imaging detection is achieved. The refrigeration type focal plane infrared array detector can greatly improve the detection sensitivity, selects long waves, can be used for the leakage detection of more than 20 kinds of long-wave gases such as sulfur hexafluoride, ethane, ammonia gas and the like, and selects medium waves, and can be used for the leakage detection of dozens of alkane gases. The detection mode of its long distance, non-contact, testing process can not influence the equipment under test normal operation, and infrared detector received infrared signal is through weak signal processing, image enhancement and digital display etc. and handle the back, and the user can observe gas leakage through the display screen directly perceived, can pinpoint the position of revealing, has greatly promoted the efficiency of revealing the detection to show reduction major accident and take place the probability, be the check out test set running state, guarantee the safety in production, prevent the essential instrument of atmospheric pollution.

As shown in fig. 1-7, the gas leakage infrared imager comprises a casing 1, a touch display screen and an infrared lens 3, wherein the whole casing is designed based on human engineering and integrates beauty, practicability and comfort; the touch display screen is arranged on the right side face of the casing, the narrow-band optical filter, the infrared detector, the refrigerator 13, the storage module, the control panel and the CPU image processing panel are arranged on the inner side of the casing, the narrow-band optical filter and the infrared detector are both arranged in the refrigerator for refrigeration, the infrared detector is integrated on the photoelectric conversion panel and connected with the photoelectric conversion panel, and the photoelectric conversion panel, the display screen, the storage module and the control panel are respectively connected with the CPU image processing panel; the infrared lens 3 is arranged on the front side surface of the casing 1 and corresponds to the infrared detector in the casing, and the narrow-band filter is positioned between the infrared detector and the infrared lens and corresponds to the infrared detector and the infrared lens; an openable battery box 4 is arranged on the rear side face of the shell 1, and the battery in the battery box is charged and discharged through a battery management chip to supply power to the power demand module.

The storage module is a storage card, the storage card is detachably arranged in a storage card slot 4-1, the storage card slot is positioned on the inner side of the battery box 4, and in addition, a power supply charging interface and a USB data interface are also arranged on one side of the storage card slot. Meanwhile, a power switch 8 is arranged at the rear part of the top surface of the casing.

The infrared lens receives and gathers infrared radiation light emitted by a measured object, the infrared radiation light passes through the narrow band filter, only infrared radiation light in a certain wave band range passes through the narrow band filter (namely the infrared radiation light in a wave band corresponding to the detected gas passes through the narrow band filter), the infrared radiation of the wave band is focused on the infrared detector, the infrared detector is matched with the photoelectric conversion plate to convert the thermal radiation with different intensities into electric signals with different parameters, the electric signals are transmitted to the CPU image processing plate, and the CPU image processing plate displays infrared thermal images through the touch display screen after signal processing, image enhancement, image conversion and data conversion.

Because the narrow-band radiation energy is small, the sensitivity of the thermal imaging system needs to be improved, so that the narrow-band optical filter and the infrared detector are simultaneously placed in a refrigerating pipeline of a refrigerator for refrigeration, and the influence of the self heat radiation of the optical filter on imaging can be effectively reduced. Wherein the refrigerator, also called cooler, is used using conventional technology, which is not described in detail here.

In order to facilitate rapid recording during detection, a voice module connected with the CPU image processing board is further arranged in the shell, the voice module is started and then used for capturing a voice signal, and the currently acquired infrared heat map is recorded in a voice mode during detection.

In addition, the upper part of the front side of the machine shell is also provided with a laser ranging module 5 and a visible light camera 6. The visible light camera can catch static images or record videos in the visible spectrum range, and the laser ranging module is used for measuring the target distance, opens laser, can indicate the target by laser, clicks to measure, and can show specific measurement distance. In addition, a highlight illuminating lamp 7 can be arranged according to needs, and shooting of a visible light camera is facilitated.

In this embodiment, the touch display screen is arranged in the screen shell 2, the screen shell 2 is rotatably arranged on the right side surface of the casing through the rotating shaft assembly 9, and the touch display screen is arranged on one surface of the screen shell, which is attached to the casing. The display screen can rotate outwards 180, and is suitable for various detection scenes. Opposite to the touch display screen, the right side surface of the casing is provided with a heat dissipation through hole 17.

The structure of the rotary shaft assembly may be various, and here, only one form of the rotary shaft assembly is shown, including but not limited to only such a rotary shaft assembly. Specifically, the rear part of the right side surface of the machine shell is concavely provided with a screen shell accommodating area, the front part of the right side surface of the machine shell is convexly provided with a fixed seat 18, the middle part of the fixed seat is concavely provided with a rotating shaft abdicating groove, the rotating shaft assembly 9 comprises a rotating shaft support A9-1, a rotating shaft support B9-2 and a rotating shaft 9-3, the rotating shaft support A9-1 is arranged at the upper part of the fixed seat, the front end of the rotating shaft support A9-1 extends outwards to form a threaded column, the rotating shaft support B9-2 is arranged at the lower part of the fixed seat, and the top of the rotating shaft support B9-2 is provided with a shaft sleeve; the rotating shaft 9-3 is of a concave structure and is arranged on the outer side of the screen shell, a hollow connecting column 9-4 is arranged in the middle of the rotating shaft in a penetrating mode, the hollow connecting column 9-4 extends into the inner side of the screen shell and is arranged on a fixing piece, and the fixing piece is fixedly connected to a proper position in the shell, so that the screen shell and the rotating shaft are fixed; the rotating shaft 9-3 is characterized in that one side surface of the rotating shaft is sleeved on the threaded column of the rotating shaft support A and can rotate circumferentially, the other side surface of the rotating shaft is provided with a hollow cylinder outwards, the hollow cylinder is arranged in the shaft sleeve in a penetrating mode and can rotate circumferentially, therefore, rotation of the screen shell and the touch display screen arranged in the screen shell is achieved, and the purpose of the setting design of the rotating shaft assembly is to lead out wires in the screen shell into the shell. In addition, a rotating shaft sleeve 9-5 and a rotating shaft sleeve cover 9-6 matched with the rotating shaft sleeve are arranged on the outer side of the rotating shaft to realize the sealing of the rotating shaft, and a rotating shaft cover 9-7 is arranged on the outer side of the fixed seat to realize the sealing of other rotating shaft components on the fixed seat.

In this embodiment, a palm fit portion 10 is formed on the left side surface of the casing and protrudes outwards, an anti-slip convex strip 11 is arranged on the top side of the palm fit portion, a baffle portion 10-1 is formed on the rear side of the palm fit portion and extends outwards, and a wrist strap through hole 10-2 is formed in the front side of the baffle portion 10-1 and the palm fit portion 10. During the use, place the right hand in palm laminating portion, the thumb is located anti-skidding sand grip department, and the cooperation wrist strap realizes the fixed of right hand, and the one-hand of being convenient for is mentioned and is used, and baffle portion can place the right hand and deviate from.

In this embodiment, various operation instructions are implemented by using a touch display screen, but in consideration of convenience, a rocker cap 12 is further disposed on the rear side surface of the palm fitting portion 10 on the housing, a rocker chip is connected to the rear side of the rocker cap through a rocker, and the rocker chip is connected to the control panel to implement operations of instructions related to the display screen.

The specific structure of the chassis is as shown in fig. 1, fig. 2, and fig. 5, where the chassis 1 includes a chassis 1-1, a front case 1-2, a left case 1-3, and a right case 1-4, where a shutter bracket, a PCB bracket, an infrared detector, a refrigerator, a battery box, etc. are disposed on the chassis 1-1 from a front side to a rear side of the chassis, where the shutter bracket is used to dispose a shutter and a shutter visor, the refrigerator is communicated with a refrigeration duct, a narrowband optical filter and the infrared detector are disposed on the refrigeration duct, and the PCB bracket is used to fix a control board, a CPU image processing board, etc., and the specific arrangement form of the above modules is not limited as long as the functions thereof can be realized. The top surface of left side casing and right casing includes the first plane of front portion and the second plane at rear portion respectively, and first plane is higher than the setting of second plane, first plane and second plane pass through arc portion and connect, wholly are slide-shaped design, and its front portion is higher, makes things convenient for arranging of laser ranging module and visible light camera in the casing, and the rear portion is lower, makes things convenient for arranging of handle.

Specifically, the front side portion of the chassis 1-1 is arranged on the bottom surface of the inner side of the front shell and fixedly connected with the bottom of the front shell 1-2, the rear portions of the left side and the right side of the front shell 1-2 are provided with edges 1-21, the edges are provided with clamping grooves 1-22, the left shell 1-3 and the right shell 1-4 are respectively arranged on the left side and the right side of the rear portion of the front shell 1-2 and are respectively connected with the rear portions of the left side and the right side of the front shell 1-2 through clamping buckles, and the chassis 1-1 is arranged on the upper portions of the bottom surfaces of the left shell 1-3 and the right shell 1-4 and is respectively fixedly connected with the bottoms of the left shell and the right shell.

In this embodiment, a refrigerator 13 is disposed in the casing, and the heat is relatively high, so that a plurality of air guide grooves 1-11 are disposed in the middle of the bottom surface of the chassis 1-1 along the length direction of the left casing and the right casing, a small heat dissipation hole (not shown in the figure) is disposed at the bottom of the air guide groove to facilitate heat dissipation of the refrigerator, a fan 14 is disposed on one side of the bottom of the chassis 1-1, the fan is a micro blower, and an air outlet of the blower is disposed opposite to the air guide groove to blow away heat overflowing from the heat dissipation hole. Meanwhile, in consideration of the safety and protection of the air blower, a bottom plate 1-5 is fixedly connected below a chassis 1-1, the bottom plate 1-5 is arranged at the lower parts of the bottom surfaces of a left shell and a right shell, a fan air inlet 1-51 and an air outlet 1-52 are formed in the bottom plate 1-5, an anti-skid cushion block 15 is arranged on the bottom plate, two rows of the anti-skid cushion blocks are arranged, one row fixes the bottom surfaces of the bottom plate and the left shell on the chassis, and the other row fixes the other side of the bottom plate and the bottom surface of the right shell on the chassis.

In addition, the upper side of the casing is provided with a handle 16, and the handle is fixedly connected to the left casing and the right casing. In this embodiment, for external beauty and coordination, the handle is provided, specifically, the handle includes a handle lower shell 16-1 and a handle upper shell 16-2, the front portion of the handle lower shell penetrates through the arc portion of the left shell and the right shell and is fixedly connected with the first planes of the left shell and the right shell, the rear portion of the handle lower shell is provided at the rear portion of the top surfaces of the left shell and the right shell and is fixedly connected with the second planes of the left shell and the right shell, the handle upper shell is matched with the handle lower shell and is fixedly connected with the handle lower shell, and the front end of the handle upper shell is fastened on the first plane of the left shell or the right shell. And a logo identification sticker 16-3 is further arranged on the upper shell of the handle.

During the use, can hold the handle and operate, also can fix the right hand in palm laminating portion operation through the wrist strap, perhaps the left and right hands uses the operation simultaneously, and the right hand is fixed in palm laminating portion promptly, and the handle is held to the left hand and is operated, and the left hand can be let out in addition and rotate the screen casing.

Claims (10)

1. The utility model provides a gas leakage infrared imager, includes casing, touch display screen, infrared camera lens, its characterized in that: the touch display screen is arranged on the right side face of the casing, the inner side of the casing is provided with a narrow-band light filter, an infrared detector, a refrigerator, a storage module, a control panel and a CPU image processing panel, the narrow-band light filter and the infrared detector are simultaneously arranged in the refrigerator for refrigeration, the infrared detector is integrated on and connected with the photoelectric conversion panel, and the photoelectric conversion panel, the display screen, the storage module and the control panel are respectively connected with the CPU image processing panel; the infrared lens is arranged on the front side face of the casing and corresponds to the infrared detector in the casing, the narrow-band filter is located between the infrared detector and the infrared lens, and the rear side face of the casing is provided with an openable battery box.

2. The gas leak infrared imager of claim 1, wherein: and a voice module connected with the CPU image processing board is also arranged in the shell.

3. The gas leak infrared imager of claim 1, wherein: the upper part of the front side surface of the shell is also provided with a laser ranging module and a visible light camera.

4. The gas leak infrared imager of claim 1, wherein: the touch display screen is arranged in the screen shell, the screen shell is rotatably arranged on the right side face of the casing through the rotating shaft assembly, and the touch display screen is located on one face, attached to the casing, of the screen shell.

5. The gas leak infrared imager of claim 1, wherein: the left side of casing is formed with palm laminating portion to the evagination, the top side of palm laminating portion is provided with anti-skidding sand grip, the outside extension of the rear side of palm laminating portion is formed with baffle portion, the wrist strap through-hole has been opened to the front side of baffle portion and palm laminating portion.

6. The gas leak infrared imager of claim 1, wherein: the rear side face of the palm fitting part on the shell is provided with a rocker cap.

7. The gas leak infrared imager of any of claims 1-5, wherein: the casing includes chassis, procapsid, left casing and right casing, the preceding lateral part on chassis sets up on the inboard bottom surface of procapsid, and with procapsid fixed connection, left side casing, right casing set up the left and right sides at the casing rear portion in the front respectively, and be connected with the procapsid buckle respectively, the chassis sets up on the bottom surface upper portion of left casing, right casing, and respectively with left casing, right casing fixed connection.

8. The gas leak infrared imager of claim 7, wherein: the bottom surface of the chassis is provided with a plurality of air guide grooves along the length direction of the left shell and the right shell, the bottom of each air guide groove is provided with an air inlet, one side of the bottom of the chassis is provided with a fan, and the air inlet of the fan is over against the air guide grooves.

9. The gas leak infrared imager of claim 7 or 8, wherein: the lower part of the chassis is fixedly connected with a bottom plate, the bottom plate is arranged on the lower parts of the bottom surfaces of the left shell and the right shell, and the bottom plate is provided with a fan air inlet and an air outlet.

10. The gas leak infrared imager of any of claims 1-5, wherein: the upper side surface of the machine shell is provided with a lifting handle.

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