CN219328579U - VOCs optical gas refrigeration detector - Google Patents
VOCs optical gas refrigeration detector Download PDFInfo
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- CN219328579U CN219328579U CN202320456033.1U CN202320456033U CN219328579U CN 219328579 U CN219328579 U CN 219328579U CN 202320456033 U CN202320456033 U CN 202320456033U CN 219328579 U CN219328579 U CN 219328579U
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Abstract
The utility model relates to a VOCs optical gas refrigeration detector, which comprises an instrument shell consisting of an upper shell and a lower shell, wherein a lens is arranged at the front side of the instrument shell, a core assembly, a focusing mechanism assembly, a main board and a CMOS assembly are arranged in the instrument shell, and a display screen is arranged on the instrument shell; the CMOS assembly comprises a support fixed inside an instrument shell, and a CMOS plate, a laser ranging module, a visible light module and a light supplementing lamp which are fixed on the support, wherein the laser ranging module, the visible light module and the light supplementing lamp are all arranged at the front end of the support, and the laser ranging module is used for measuring the distance between the detector and a measured target. The utility model realizes the visual imaging of VOCs gas, is convenient for operation and maintenance personnel to carry and use, realizes visual laser landing point display, can more simply and conveniently measure the distance data result between the detection position and the detected target, and has higher social use value and application prospect.
Description
Technical Field
The utility model relates to the technical field of infrared imaging gas leakage detection, in particular to a VOCs optical gas refrigeration detector.
Background
The VOCs optical gas detector is generally divided into a refrigeration type and a non-refrigeration type, is widely applied to the field of predictive maintenance, and can be used for carrying out infrared thermal imaging inspection on places such as storage, emission and transportation of VOCs gas so as to ensure that all running and stored equipment are free from hidden leakage hidden trouble and effectively prevent dangerous accidents. Among other things, optical gas chilling detectors can provide higher sensitivity, better image quality, and higher frame rates, which make them a better option for detecting small or low concentration gas leaks.
In the use process of the existing VOCs optical gas refrigeration detector, the existing VOCs optical gas refrigeration detector is generally held by operation and maintenance personnel, and once a special leakage point which cannot be approached is found, the existing space distance between the detection position and the leakage point needs to be calculated and obtained through various parameters. This operation is often only possible through practical experience assessment, which may lead to erroneous determination of the gas leakage volume with unpredictable consequences. For this reason, we propose a VOCs optical gas refrigeration detector.
Disclosure of Invention
The utility model provides a VOCs optical gas refrigeration detector, which at least solves the problem that the existing VOCs optical gas refrigeration detector cannot accurately obtain distance data between a detection position and a detected target at a special leakage point which cannot be approached.
The utility model provides a VOCs optical gas refrigeration detector, which comprises an instrument shell consisting of an upper shell and a lower shell, wherein a lens is arranged at the front side of the instrument shell, a core assembly, a focusing mechanism assembly, a main board and a CMOS assembly are arranged in the instrument shell, and a display screen for displaying detection data is also arranged on the instrument shell;
the CMOS assembly comprises a support fixed inside an instrument shell, and a CMOS plate, a laser ranging module, a visible light module and a light supplementing lamp which are fixed on the support, wherein the laser ranging module, the visible light module and the light supplementing lamp are all arranged at the front end of the support, and the laser ranging module is used for measuring the distance between a detection position and a detected target.
Optionally, a focusing hand wheel is arranged between the lens and the instrument shell, the focusing hand wheel is fixed on the front side of the instrument shell, and the lens is detachably assembled in the focusing hand wheel.
Optionally, a light-transmitting member for transmitting the outgoing light of the laser ranging module, the visible light module and the light supplementing lamp is further arranged on the front wall of the instrument shell.
Further optionally, the lens, the movement assembly and the optical axis center of the focusing mechanism assembly are on the same straight line.
Further optionally, an optical axis of the laser ranging module is parallel to an optical axis of the lens, the movement assembly, and the focusing mechanism assembly.
Optionally, the display screen is rotatably mounted to a side wall of the instrument housing such that the display screen is rotated open and closed when the detector is in use.
Optionally, a battery compartment for supplying power to the detector is also arranged in the instrument shell.
Optionally, a handshake component for handheld use of the detector is arranged on the instrument shell.
The utility model has the following advantages:
according to the utility model, visual imaging of VOCs gas is realized, the operation and maintenance personnel can conveniently carry the VOCs gas, and on the other hand, the returned laser data is converted into a digital signal by triggering the laser ranging function, so that the digital signal is more intuitively displayed in the screen area of the detector, the intuitive laser landing point display is realized, the operation and maintenance personnel can more simply and conveniently measure the distance data result between the detection position and the detected target, and the abnormal judgment result aiming at the special leakage point which cannot be approached is more accurate.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the internal structure of the upper housing in the present utility model.
Fig. 3 is a side view of the inner structure of the lower housing in the present utility model.
Fig. 4 is a schematic structural diagram of a CMOS device according to the present utility model.
Fig. 5 is a top view of a CMOS device structure according to the present utility model.
Fig. 6 is a schematic view of the optical axis deviation of the present utility model.
Reference numerals illustrate: 1. an upper housing; 2. a display screen; 3. focusing hand wheel; 4. a lens; 5. a light transmitting member; 6. a battery compartment; 7. a lower housing; 8. a movement assembly; 9. a focusing mechanism assembly; 10. a main board; 11. a CMOS component; 12. a handshake component; 13. a bracket; 14. a CMOS plate; 15. a laser ranging module; 16. a visible light module; 17. and a light supplementing lamp.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
Referring to the structural schematic diagram of the VOCs optical gas refrigeration detector in the embodiment of fig. 1, the VOCs optical gas refrigeration detector provided in embodiment 1 of the present utility model includes an instrument housing composed of an upper housing 1 and a lower housing 7, a lens 4 is arranged at the front side of the instrument housing, and a battery compartment 6, a movement assembly 8, a focusing mechanism assembly 9, a main board 10 and a CMOS assembly 11 are built in the instrument housing, and are used for visual imaging of VOCs gas and measuring the result of distance data between a detection position and a detected target, and a display screen 2 for displaying detection data is further arranged on the instrument housing, and it can be understood that the detection data includes VOCs gas detection data and distance data between the detector and the detected target;
in this embodiment, referring to fig. 1, a focusing hand wheel 3 is disposed between a lens 4 and an instrument housing, for manually performing focal length adjustment, the focusing hand wheel 3 is fixed on the front side of the instrument housing, and the lens 4 is detachably assembled in the focusing hand wheel 3, so as to facilitate detachment and replacement, and a light transmitting member 5 for transmitting outgoing light of the laser ranging module 15, the visible light module 16 and the light supplementing lamp 17 is further disposed on the front wall of the instrument housing, where in this embodiment, the light transmitting member 5 may be a high-transmission glass or a high-transmission resin sheet, and meanwhile, good appearance protection capability may be generated;
in this embodiment, referring to the schematic diagram of the inside of the upper case in the embodiment of fig. 2, the main board 10 and the CMOS module 11 are respectively fixed at the middle and front positions inside the upper case 1; referring to the structural schematic diagram of the VOCs optical gas refrigeration detector in the embodiment of fig. 1, a display screen 2 is installed in a groove formed on one side of the outer part of an upper shell 1 and is assembled by means of screw fixation; referring to the schematic view of the inside of the lower case in the present embodiment of fig. 3, the focusing mechanism assembly 9 is assembled at the front side position of the lower case 7, the movement assembly 8 is assembled at the middle position of the lower case 7, the battery compartment 6 is assembled at the rear side position of the lower case 7, and it can be understood that the battery compartment 6, the movement assembly 8 and the focusing mechanism assembly 9 are all assembled by means of screw fixation;
after the assembly is completed, the assembled upper shell 1 is covered on the assembled lower shell 7 from top to bottom, the effect of wrapping the whole machine is achieved, and then the assembly of the instrument shell is completed through screw fixation; and the focusing hand wheel 3 is embedded into the front end of the upper shell 1 and fixedly connected by using a screw, the lens 4 is directly screwed into the focusing hand wheel 3, so that the lens 4 can be normally locked until the lens cannot fall off, and finally the light-transmitting piece 5 is fixed to the front end of the upper shell assembly 1, so that the assembly of the VOCs optical gas refrigeration detector provided by the embodiment is completed.
In this embodiment, as shown in front view and top view of the CMOS assembly structure in fig. 4-5, the CMOS assembly 11 includes a bracket 13 fixed inside the instrument housing, and a CMOS board 14, a laser ranging module 15, a visible light module 16 and a light compensating lamp 17 fixed on the bracket 13, where the laser ranging module 15, the visible light module 16 and the light compensating lamp 17 are all disposed at the front end of the bracket 13, and the laser ranging module 15 is used for measuring the distance between the detection position (i.e. the detector position) and the detected target; it will be appreciated that the laser emitting element of the laser ranging module 15 emits an emitting laser to the target in operation, and the photoelectric element receives the laser beam reflected by the target, and the timing element measures the time from emission to reception of the laser beam, thereby calculating the distance from the observation point to the target.
In this embodiment, further, as shown in fig. 6, the lens 4, the movement assembly 8 and the optical axis center of the focusing mechanism assembly 9 are on the same straight line; the optical axis of the laser ranging module 15 is parallel to the optical axes of the lens 4, the movement assembly 8 and the focusing mechanism assembly 9; further, referring to the optical axis deviation schematic diagram in the embodiment of fig. 6, after the assembly is completed, a control program needs to be written into the main board 10 of the detector to compensate for the deviation existing in the optical axis centers of the lens 4 and the laser transmitter of the laser ranging module 15, so that the deviation can be displayed in a superimposed manner on the screen.
In this embodiment, referring to fig. 1, a handshake assembly 12 for handheld use of the detector is further provided on the instrument housing, so that the detector is convenient for carrying and use by operation and maintenance personnel.
Example 2
The difference between this embodiment and embodiment 1 is that, as shown in fig. 1 and 6, the display screen 2 is rotatably assembled on the side wall of the instrument housing, so that the display screen 2 is rotatably opened and closed when the detector is used, in this embodiment, the display screen 2 is rotatably assembled on the side wall of the instrument housing through a hinge, and in the non-use state, the display screen 2 is rotatably attached to the side wall of the instrument housing, so as to play a protection role, and when in use, the display screen 2 is rotatably opened and closed, so that the detector is convenient to use.
Other undescribed structures refer to embodiment 1.
According to the VOCs optical gas refrigeration detector disclosed by the embodiment of the utility model, visual imaging of VOCs gas is realized on one hand, the VOCs optical gas refrigeration detector is convenient for operation and maintenance personnel to carry and use, on the other hand, the returned laser data are converted into digital signals through triggering a laser ranging function, the digital signals are more intuitively displayed in a screen 2 area of the detector, the intuitive laser landing point display is realized, and the operation and maintenance personnel can more simply and conveniently measure the distance data result between the detection position and the detected target, so that the abnormal judgment result aiming at the special leakage point which cannot be approached is more accurate.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (8)
1. The VOCs optical gas refrigeration detector comprises an instrument shell composed of an upper shell (1) and a lower shell (7), and is characterized in that a lens (4) is arranged on the front side of the instrument shell, a core assembly (8), a focusing mechanism assembly (9), a main board (10) and a CMOS assembly (11) are arranged in the instrument shell, and a display screen (2) for displaying detection data is further arranged on the instrument shell;
the CMOS assembly (11) comprises a support (13) fixed inside an instrument shell, and a CMOS plate (14), a laser ranging module (15), a visible light module (16) and a light supplementing lamp (17) fixed on the support (13), wherein the laser ranging module (15), the visible light module (16) and the light supplementing lamp (17) are arranged at the front end of the support (13), and the laser ranging module (15) is used for measuring the distance between a detection position and a detected target.
2. The VOCs optical gas chilling detector of claim 1, wherein: a focusing hand wheel (3) is arranged between the lens (4) and the instrument shell, the focusing hand wheel (3) is fixed on the front side of the instrument shell, and the lens (4) is detachably assembled in the focusing hand wheel (3).
3. The VOCs optical gas chilling detector of claim 1, wherein: the front wall of the instrument shell is also provided with a light transmitting piece (5) used for transmitting emergent light of the laser ranging module (15), the visible light module (16) and the light supplementing lamp (17).
4. The VOCs optical gas chilling detector of claim 2, wherein: the lens (4), the movement assembly (8) and the optical axis center of the focusing mechanism assembly (9) are positioned on the same straight line.
5. The VOCs optical gas chilling detector of claim 4, wherein: the optical axis of the laser ranging module (15) is parallel to the optical axes of the lens (4), the movement assembly (8) and the focusing mechanism assembly (9).
6. The VOCs optical gas chilling detector of claim 1, wherein: the display screen (2) is rotatably assembled on the side wall of the instrument shell, so that the display screen (2) can be rotated to be opened and closed when the detector is used.
7. The VOCs optical gas chilling detector of claim 1, wherein: and a battery compartment (6) for supplying power to the detector is also arranged in the instrument shell.
8. The VOCs optical gas chilling detector of claim 1, wherein: the instrument shell is provided with a handshake component (12) for handheld use of the detector.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202320456033.1U CN219328579U (en) | 2023-03-06 | 2023-03-06 | VOCs optical gas refrigeration detector |
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CN202320456033.1U CN219328579U (en) | 2023-03-06 | 2023-03-06 | VOCs optical gas refrigeration detector |
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CN219328579U true CN219328579U (en) | 2023-07-11 |
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CN202320456033.1U Active CN219328579U (en) | 2023-03-06 | 2023-03-06 | VOCs optical gas refrigeration detector |
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