CN113740303A - Oil spilling monitoring transmitting and receiving device based on fluorescence excitation - Google Patents
Oil spilling monitoring transmitting and receiving device based on fluorescence excitation Download PDFInfo
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- CN113740303A CN113740303A CN202010466305.7A CN202010466305A CN113740303A CN 113740303 A CN113740303 A CN 113740303A CN 202010466305 A CN202010466305 A CN 202010466305A CN 113740303 A CN113740303 A CN 113740303A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/645—Specially adapted constructive features of fluorimeters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
- H05B45/56—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving measures to prevent abnormal temperature of the LEDs
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J2001/4247—Photometry, e.g. photographic exposure meter using electric radiation detectors for testing lamps or other light sources
- G01J2001/4252—Photometry, e.g. photographic exposure meter using electric radiation detectors for testing lamps or other light sources for testing LED's
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/645—Specially adapted constructive features of fluorimeters
- G01N2021/6463—Optics
- G01N2021/6473—In-line geometry
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The invention discloses an oil spilling monitoring transmitting and receiving device based on fluorescence excitation, which comprises a transmitting part and a receiving part, wherein the transmitting part and the receiving part are connected with an equipment main body; the emitting part comprises an LED circuit board, LED lamp grains are arranged on the LED circuit board, and a reflecting cup is covered outside the LED lamp grains; the large head end of the reflecting cup is coaxially provided with an emission lens cone; the receiving part comprises a sensor circuit board, two light sensors are arranged on the sensor circuit board, and a receiving lens cone is covered on each light sensor; the light sensor is in communication connection with a singlechip on a main control board in the equipment main body; the fixed plates are arranged at one ends of the transmitting lens cone and the receiving lens cone extending to the outside of the equipment body. The invention separates the light path, and the reflecting cup is covered outside the LED lamp grain, so that the light rays are irradiated in a conical shape, the irradiation area is increased, and the monitoring area is increased; through setting up two receiving lens barrels and receiving lens barrel branch row in the both sides of transmission lens barrel to more fluorescence and the reflection ray of receiving excitation, thereby promote equipment sensitivity.
Description
Technical Field
The invention belongs to the technical field of water surface oil spill monitoring, and particularly relates to an oil spill monitoring transmitting and receiving device based on fluorescence excitation.
Background
In order to reduce the risk of the water environment, petrochemical enterprises should set a real-time oil spill monitoring system in areas where the risk of oil spill is likely to occur, such as a rainwater drainage port, an oil dock, and the like.
The existing oil spilling monitoring methods are mainly divided into a gas monitoring method, a visible light method, an infrared photometry, an ultraviolet photometry, a microwave radiometer method, an electromagnetic energy absorption method, a fluorescence spectroscopy method and the like in terms of monitoring mechanisms. The principle of adopting the fluorescence technology to carry out oil spill monitoring is that a light source emits light to the water surface through an emission light path to excite oils existing on the liquid surface to generate fluorescence, the fluorescence reaches monitoring equipment along a receiving light path, and the monitoring equipment processes the received light and judges whether oil spill occurs on the water surface.
The optical path part in the device for monitoring the oil spilling by adopting the fluorescence technology at present mainly has two forms, one is that a transmitting optical path and a receiving optical path are integrated by relying on a secondary mirror, the optical path arrangement of the form needs to increase a convex mirror at the front end for focusing, and the monitoring area is sacrificed under the condition of ensuring the light intensity and the equipment sensitivity; the other is to separate the transmitting light path and the receiving light path, the two light paths are distributed randomly, the light path arrangement of the form ensures the effective monitoring area, but the optimal receiving effect can not be achieved, the high sensitivity of the device can not be achieved, and meanwhile, the separate arrangement of the transmitting light path and the receiving light path leads the mechanical parts to be relatively complex to cooperate, and the assembly and the production are not easy.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an oil spill monitoring transmitting and receiving device based on fluorescence excitation.
In order to achieve the purpose, the invention adopts the following technical scheme:
a device for monitoring, transmitting and receiving oil spilling based on fluorescence excitation comprises a transmitting part and a receiving part which are connected with an equipment main body;
the emitting part comprises an LED circuit board, LED lamp grains are arranged on the LED circuit board, and a reflecting cup is covered outside the LED lamp grains; the large head end of the reflecting cup is coaxially provided with an emission lens cone, and the other end of the emission lens cone extends to the outside of the equipment main body; the transmitting part is fixedly connected with the inner side wall surface of the equipment main body through a transmitting fixing piece;
the receiving part comprises a sensor circuit board, two light-sensitive sensors are arranged on the sensor circuit board, and a receiving lens cone is covered on each light-sensitive sensor; the light sensor is in communication connection with a single chip microcomputer on a main control board in the equipment main body; one end of the receiving lens barrel extends to the outside of the device main body; the receiving part is fixedly connected with the inner side wall surface of the equipment main body through a receiving fixing piece;
a fixing plate is arranged at one end of the transmitting lens barrel and one end of the receiving lens barrel, which extend to the outside of the equipment main body; the fixed plate is fixedly connected with the outer side wall surface of the equipment main body; the fixed plate is provided with a first through hole for the transmitting lens cone to pass through; two second through holes for the receiving lens cone to pass through are formed in the fixing plate; the two second through holes are respectively positioned at two sides of the first through hole.
Preferably, the four right-angle corners of the fixing plate are fixedly connected with the outer side wall surface of the device main body through bolts.
Preferably, the central axis of the first through hole is located on the symmetry plane of the two second through holes.
Preferably, one end of the emission lens cone connected with the reflection cup is provided with an emission lens cone bracket.
Preferably, the emission fixing part comprises a plurality of emission fixing bolts, first threaded holes matched with the corresponding emission fixing bolts in a threaded manner are formed in the inner side wall surface of the equipment main body, and first connecting holes matched with the corresponding emission fixing bolts are formed in the LED circuit board and the emission lens cone bracket;
a first nut used for pressing the transmitting lens cone bracket is arranged on the transmitting fixing bolt between the transmitting lens cone bracket and the LED circuit board;
and a second nut used for pressing the LED circuit board is arranged on the emission fixing bolt on the other side of the LED circuit board.
Preferably, a light guide column is arranged on the emission lens cone bracket, and the axis of the light guide column is perpendicular to the axis of the emission lens cone; the upper portion of leaded light post is provided with the light sense device, the light sense device carries out communication connection with the singlechip on the main control board in the equipment main part.
Preferably, the transmitting lens barrel support is provided with a through hole penetrating through the light path cavity in the transmitting lens barrel, and the light guide column is embedded in the through hole.
Preferably, a temperature control switch is arranged on one side, opposite to the LED lamp grains, of the LED circuit board, the temperature control switch is in communication connection with a single chip microcomputer on a main control board in the equipment main body, and the single chip microcomputer is connected with a power supply driving unit of the LED lamp grains.
Preferably, the two receiving lens barrels are provided with receiving lens barrel holders.
Preferably, the receiving fixing part comprises a plurality of receiving fixing bolts, second threaded holes matched with the corresponding receiving fixing bolts in a threaded manner are formed in the inner side wall surface of the device main body, and second connecting holes matched with the corresponding receiving fixing bolts are formed in the sensor circuit board and the receiving lens cone bracket;
a third nut used for pressing the receiving lens cone bracket is arranged on the receiving fixing bolt between the receiving lens cone bracket and the sensor circuit board;
and a fourth nut used for pressing the sensor circuit board is arranged on the receiving and fixing bolt on the other side of the sensor circuit board.
Preferably, a sealing gasket is arranged between the fixing plate and the outer side of the device body, and a third through hole for the transmitting lens barrel to pass through is formed in the sealing gasket; and two fourth through holes for the receiving lens cone to pass through are formed in the sealing gasket.
Preferably, an O-ring is sleeved on the emission lens barrel between the sealing gasket and the outer side wall surface of the device body.
Preferably, an O-ring is sleeved on the receiving lens barrel between the sealing gasket and the outer wall surface of the device body.
The invention has the beneficial effects that:
(1) the oil spilling monitoring transmitting and receiving device based on fluorescence excitation divides the light path, and the reflecting cup is covered outside the LED lamp grain, so that light rays are irradiated in a conical shape, the irradiation area is increased, and the monitoring area is increased; under the condition of not sacrificing the monitoring area, the two receiving lens barrels are arranged and are respectively arranged on the two sides of the transmitting lens barrel, so that more fluorescence and reflected light rays excited by the receiving lens barrels are received, and the sensitivity of the equipment is improved.
(2) The oil spilling monitoring transmitting and receiving device based on fluorescence excitation is provided with the light guide column and the light sensing device, the light guide column guides part of light generated by the LED lamp grains to the light sensing device, the light sensing device senses the luminous intensity of the LED lamp grains and converts light signals into electric signals to be transmitted to the single chip microcomputer on the main control board in the equipment main body, the single chip microcomputer compares the received signals with preset numerical values, and fault signals are output when the numerical values are smaller, so that the light attenuation condition of the LED lamp grains is judged, and the single chip microcomputer can automatically inform a background under the condition that the normal monitoring of the equipment is influenced due to insufficient light intensity caused by serious light attenuation or other conditions.
(3) The oil spilling monitoring transmitting and receiving device based on fluorescence excitation is provided with the temperature control switch, the action temperature of the temperature control switch is selected between 45 ℃ and 75 ℃, when the temperature is too high, the temperature switch transmits a switch signal to the single chip microcomputer, and the single chip microcomputer controls the power supply driving unit of the LED lamp granules to be switched off, so that the LED lamp granules can be prevented from being seriously heated due to certain faults, the LED lamp granules are prevented from being damaged, and the function of protecting the LED lamp granules is achieved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a schematic structural diagram of an emitting part in an oil spill monitoring emitting and receiving device based on fluorescence excitation according to the present invention;
FIG. 2 is a schematic structural diagram of a receiving part in the oil spill monitoring transmitting and receiving device based on fluorescence excitation according to the present invention;
FIG. 3 is a schematic structural diagram of a fixing plate, a sealing gasket and an O-shaped ring in the oil spilling monitoring transmitting and receiving device based on fluorescence excitation according to the invention;
FIG. 4 is a schematic structural diagram of a fixing plate, a transmitting lens barrel and a receiving lens barrel in the oil spill monitoring transmitting and receiving device based on fluorescence excitation according to the present invention;
FIG. 5 is a schematic diagram of the optical path of a beam of light emitted by an LED lamp in the oil spill monitoring emission receiving device based on fluorescence excitation according to the present invention;
wherein:
0-the device body;
1-fixing plate, 101-first through hole, 102-second through hole, 2-emission lens cone, 3-reflection cup, 301-reflection fold, 4-LED circuit board, 5-temperature control switch, 6-light sensation device, 7-light guide column, 8-emission lens cone bracket, 9-emission fixing bolt, 901-first nut, 902-second nut, 10-sensor circuit board, 11-receiving lens cone, 12-sealing gasket, 1201-third through hole, 1202-fourth through hole, 13-O-shaped ring, 14-receiving lens cone bracket, 15-receiving fixing bolt, 1501-third nut, 1502-fourth nut and 16-liquid level.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present invention, terms such as "upper", "lower", "bottom", "top", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only terms of relationships determined for convenience in describing structural relationships of the components or elements of the present invention, and do not particularly indicate any components or elements of the present invention, and are not to be construed as limiting the present invention.
In the present invention, terms such as "connected" and "connecting" should be interpreted broadly, and mean either a fixed connection or an integral connection or a detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be determined according to specific situations by persons skilled in the relevant scientific or technical field, and are not to be construed as limiting the present invention.
The invention is further illustrated with reference to the following figures and examples.
Example 1:
a device for monitoring, transmitting and receiving oil spilling based on fluorescence excitation comprises a transmitting part and a receiving part which are connected with an equipment main body 0;
as shown in fig. 1, the emitting portion includes an LED circuit board 4, LED light particles are disposed on the LED circuit board 4, and a reflective cup 3 is covered outside the LED light particles, wherein the LED circuit board 4 is made of an aluminum substrate, a glass fiber board or other board with good heat dissipation performance, and is used for fixing the LED light particles on one hand and dissipating heat generated during operation of the LED light particles on the other hand, and the LED light particles are welded to the LED circuit board 4; the reflecting cup 3 adopts a small-angle reflecting cup, so that light of a light source is emitted without loss, and the specific light-emitting angle is determined according to the monitoring distance and the monitoring range; the large head end of the reflecting cup 3 is coaxially provided with an emission lens cone 2, and the other end of the emission lens cone 2 extends to the outside of the equipment main body 0; the transmitting part is fixedly connected with the inner side wall surface of the equipment main body 0 through a transmitting fixing piece;
as shown in fig. 2, the receiving part includes a sensor circuit board 10, two light sensors are disposed on the sensor circuit board 10, and each light sensor is covered by a receiving lens barrel 11; the light sensor is in communication connection with a single chip microcomputer on a main control board in the equipment main body 0; one end of the receiving barrel 11 extends to the outside of the apparatus body 0; the receiving part is fixedly connected with the inner side wall surface of the equipment main body 0 through a receiving fixing piece;
one end of the transmitting lens barrel 2 and one end of the receiving lens barrel 11 extending out of the equipment main body are provided with a fixing plate 1; the fixed plate 1 is fixedly connected with the outer side wall surface of the equipment main body 0; the fixing plate 1 can be made of tetrafluoroethylene hard plastic, aluminum alloy or gas metal; as shown in fig. 3-4, the fixing plate 1 is provided with a first through hole 101 for the transmission lens barrel 2 to pass through; the fixed plate 1 is provided with two second through holes 102 for the receiving lens barrel 11 to pass through; the two second through holes 102 are respectively located at two sides of the first through hole 101.
After the transmitting part and the receiving part are fixedly connected with the inner side wall surface of the equipment main body 0, the end parts of the transmitting lens barrel 2 and the receiving lens barrel 11 extending out of the equipment main body 0 are sleeved with the O-shaped rings 13 and are placed close to the outer wall of the equipment main body, then the sealing gaskets 12 are installed, the O-shaped rings 13 are pressed, finally the fixing plate 1 is installed at the outermost part of the equipment and is fixed by bolts, and the sealing gaskets 12 are pressed. That is, the transmitting part and the receiving part are connected with the outer side wall surface of the device main body 0 through bolts in the application, so that the mechanical structure is simple, and the assembly and disassembly are simple and convenient.
The specific implementation mode of the oil spilling monitoring transmitting and receiving device based on fluorescence excitation is as follows:
light emitted by the LED lamp particles reaches the liquid level to be detected along the reflection cup 3 and the emission lens barrel 2, oil existing on the liquid level is excited to generate fluorescence, the light and the fluorescence are reflected by the liquid level and then reach the light sensation sensor through the receiving lens barrel 11, the light sensation sensor converts received light signals into voltage signals and transmits the voltage signals to the single chip microcomputer on the main control board, the single chip microcomputer compares the received numerical values with the stored standard values, and the comparison result is transmitted to the upper computer to be processed.
Preferably, the four right-angle corners of the fixing plate 1 are fixedly connected to the outer side wall surface of the device body 0 by bolts.
Preferably, the central axis of the first through hole 101 is located on the symmetry plane of the two second through holes 102, that is, the connecting line of the central points of the first through hole 101 and the second through hole 102 forms an isosceles triangle, and the central point of the first through hole 101 is the vertex of the isosceles triangle; the arrangement relationship of the first through hole 101 and the second through hole 102 is the arrangement relationship of the transmitting lens barrel 2 and the receiving lens barrel 11; the emission lens cone 2 is connected with the reflection cup 3, and the inner layer of the reflection cup 3 is provided with a plurality of reflection folds 301, so that light emitted by the LED lamp particles can irradiate the liquid level 16 below the reflection cup at a certain deviation angle, and finally, diffuse reflection is changed into directional reflection; according to the principle that the reflection angle is equal to the emission angle and the reflection of the reflection folds 301 at different angles in the reflection cup 3, the reflected light rays can return to the receiving lens barrels 11 at the other two vertexes of the isosceles triangle as much as possible; when the device is used, the central axes of the transmitting lens barrel 2 and the receiving lens barrel 11 are both vertical to the liquid level 16, wherein the schematic light path diagram of a beam of light emitted by the LED lamp particles is shown in fig. 5, the light emitted by the LED lamp particles irradiates the liquid level 16 at a certain angle through the reflection of the reflecting folds 301 in the reflecting cup 3, and the emitted light reflected by the liquid level 16 enters the receiving lens barrel 11 so as to reach the light sensation sensor. Therefore, the emission light path and the receiving light path are separated, the two receiving lens barrels 11 are arranged, the receiving lens barrels 11 are respectively arranged on two sides of the emission lens barrel 2, more fluorescence and reflection light rays excited by the receiving lens barrels are received, and the sensitivity of the equipment is improved.
Example 2:
on the basis of the embodiment 1, one end of the emission lens cone 2 connected with the reflecting cup 3 is provided with an emission lens cone bracket 8; the emission lens cone support 8 can be made of tetrafluoroethylene hard plastic, aluminum alloy or gas metal. The transmitting fixing piece comprises a plurality of transmitting fixing bolts 9, first threaded holes matched with the corresponding transmitting fixing bolts 9 in a threaded mode are formed in the inner side wall surface of the equipment main body 0, and first connecting holes matched with the corresponding transmitting fixing bolts 9 are formed in the LED circuit board 4 and the transmitting lens cone bracket 8;
a first nut 901 for pressing the transmitting lens cone bracket 8 is arranged on a transmitting fixing bolt 9 between the transmitting lens cone bracket 8 and the LED circuit board 4;
and a second nut 902 used for pressing the LED circuit board 4 is arranged on the emission fixing bolt 9 at the other side of the LED circuit board 4.
The method for installing the emitting part in the oil spill monitoring and transmitting and receiving device based on fluorescence excitation in the embodiment 2 comprises the following steps:
step 11: screwing a second nut 902 on the launch fixing bolt 9;
step 12: the end part of the emission fixing bolt 9 passes through a corresponding first connecting hole on the LED circuit board 4;
step 13: screwing a first nut 901 on the launching fixing bolt 9;
step 14: the end of the transmitting fixing bolt 9 passes through a corresponding first connecting hole on the transmitting lens cone bracket 8;
step 15: the end part of the emission fixing bolt 9 is in threaded fit with a corresponding first threaded hole on the inner side wall surface of the equipment main body 0;
step 16: screwing the first nut 901 to press the emission lens barrel holder 8;
and step 17: the second nut 902 is screwed to press the LED wiring board 4.
This application has just realized the installation of transmission portion through transmission fixing bolt 9, first nut 901, second nut 902 promptly, and mechanical structure is simple, the assembly and disassembly is simple and convenient.
Example 3:
on the basis of embodiment 1, a light guide column 7 is arranged on the emission lens barrel support 8, and the axis of the light guide column 7 is perpendicular to the axis of the emission lens barrel 2; the upper portion of leaded light post 7 is provided with light sense device 6, and light sense device 6 welds on the main control board or is connected with the main control board with the line, light sense device 6 carries out communication connection with the singlechip on the main control board in the equipment main part 0.
The light guide column 7 can guide part of light rays generated by the LED lamp grains to the light sensing device 6, and the light sensing device 6 is used for sensing the luminous intensity of the LED lamp grains and transmitting the luminous intensity to the single chip microcomputer on the main control board in the equipment main body; specifically, the light sensing device 6 converts an optical signal into an electrical signal in real time and transmits the electrical signal to the single chip microcomputer, the single chip microcomputer compares the received signal with a preset numerical value, and a fault signal is output when the numerical value is smaller, so that the light attenuation condition of the LED light particles is judged, and the background can be automatically informed when the normal monitoring of the equipment is affected due to insufficient light intensity caused by serious light attenuation or other conditions;
specifically, a through hole penetrating through to the optical path cavity in the emission lens barrel 2 is formed in the emission lens barrel support 8, the light guide column 7 is embedded in the through hole, and the light sensing device 6 is installed above the light guide column 7.
Example 4:
on the basis of the embodiment 1, a temperature control switch 5 is arranged on one side of the LED circuit board 4 opposite to the LED lamp particles, the temperature control switch 5 is in communication connection with a single chip microcomputer on a main control board in the device body, and the single chip microcomputer is connected with a power supply driving unit of the LED lamp particles.
The temperature control switch 5 is normally open or normally closed, the operating temperature is selected between 45 ℃ and 75 ℃, and the temperature is determined according to the long-term operating environment temperature of the equipment; when the temperature is too high, the temperature switch 5 transmits a switch signal to the single chip microcomputer, and the single chip microcomputer controls the power supply driving unit of the LED lamp particles to be switched off, so that the LED lamp particles can be prevented from heating seriously due to certain faults, the LED lamp particles are prevented from being damaged, and the LED lamp particles are protected.
Example 5:
on the basis of embodiment 1, the two receiving lens barrels 11 are provided with receiving lens barrel holders 14; the material of the receiving lens cone bracket 14 can be tetrafluoroethylene hard plastic, and can also be aluminum alloy or other metal materials;
the receiving fixing part comprises a plurality of receiving fixing bolts 15, second threaded holes matched with the corresponding receiving fixing bolts 15 in a threaded mode are formed in the inner side wall surface of the device main body 0, and second connecting holes matched with the corresponding receiving fixing bolts 15 are formed in the sensor circuit board 10 and the receiving lens cone support 14;
a third nut 1501 used for pressing the receiving lens cone bracket 14 is arranged on a receiving fixing bolt 15 between the receiving lens cone bracket 14 and the sensor circuit board 10;
a fourth nut 1502 for pressing the sensor circuit board 10 is disposed on the receiving fixing bolt 15 on the other side of the sensor circuit board 10.
The method for installing the receiver in the oil spill monitoring transmitting and receiving device based on fluorescence excitation as described in embodiment 5 comprises the following steps:
step 21: screwing the fourth nut 1502 on the receiving fixing bolt 15;
step 22: the end part of the receiving fixing bolt 15 passes through a corresponding second connecting hole on the sensor circuit board 10;
step 23: the third nut 1501 is screwed on the receiving fixing bolt 15;
step 24: the end of the receiving fixing bolt 15 is passed through the corresponding second connecting hole of the receiving barrel holder 14;
step 25: the end part of the receiving fixing bolt 15 is in threaded fit with a corresponding second threaded hole in the wall surface of the equipment main body;
step 26: screwing the third nut 1501 to the compression receiving barrel holder 14;
step 27: the fourth nut 1502 is screwed to press the sensor wiring board 10.
In other words, the receiving part is mounted by receiving the fixing bolt 15, the third nut 1501 and the fourth nut 1502, and the mechanical structure is simple and the assembly and disassembly are simple and convenient.
Example 6:
on the basis of embodiment 1, a sealing gasket 12 is arranged between the fixing plate 1 and the outer side of the device body 0, and a third through hole 1201 for the emission lens barrel 2 to pass through is arranged on the sealing gasket 12; the sealing gasket 12 is provided with two fourth through holes 1202 for the receiving lens barrel 11 to pass through; the sealing gasket 12 is made of a material with good flexibility, aging resistance, ultraviolet resistance and corrosion resistance.
Specifically, an O-ring 13 is sleeved on the emission lens barrel 2 between the sealing gasket 12 and the outer side wall surface of the device body 0.
Specifically, an O-ring 13 is fitted around the receiving barrel 11 between the gasket 12 and the outer wall surface of the apparatus body 0.
The type of the O-shaped ring 13 is determined according to the diameter of each lens cone, and the O-shaped ring 13 is made of corrosion-resistant and ultraviolet-resistant materials and plays a role in filling a gap between each lens cone and the equipment hole.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the present invention, and it should be understood by those skilled in the art that various modifications and changes may be made without inventive efforts based on the technical solutions of the present invention.
Claims (13)
1. A device for monitoring, transmitting and receiving oil spilling based on fluorescence excitation is characterized by comprising a transmitting part and a receiving part which are connected with an equipment main body;
the emitting part comprises an LED circuit board, LED lamp grains are arranged on the LED circuit board, and a reflecting cup is covered outside the LED lamp grains; the large head end of the reflecting cup is coaxially provided with an emission lens cone, and the other end of the emission lens cone extends to the outside of the equipment main body; the transmitting part is fixedly connected with the inner side wall surface of the equipment main body through a transmitting fixing piece;
the receiving part comprises a sensor circuit board, two light-sensitive sensors are arranged on the sensor circuit board, and a receiving lens cone is covered on each light-sensitive sensor; the light sensor is in communication connection with a single chip microcomputer on a main control board in the equipment main body; one end of the receiving lens barrel extends to the outside of the device main body; the receiving part is fixedly connected with the inner side wall surface of the equipment main body through a receiving fixing piece;
a fixing plate is arranged at one end of the transmitting lens barrel and one end of the receiving lens barrel, which extend to the outside of the equipment main body; the fixed plate is fixedly connected with the outer side wall surface of the equipment main body; the fixed plate is provided with a first through hole for the transmitting lens cone to pass through; two second through holes for the receiving lens cone to pass through are formed in the fixing plate; the two second through holes are respectively positioned at two sides of the first through hole.
2. The oil spill monitoring transmitting and receiving device based on fluorescence excitation of claim 1, wherein the four right-angle corners of the fixing plate are fixedly connected with the outer side wall surface of the device main body through bolts.
3. The fluorescence excitation-based oil spill monitoring transmitting and receiving device as claimed in claim 1, wherein the central axis of the first through hole is located on a symmetrical plane of the two second through holes.
4. The oil spill monitoring transmitting and receiving device based on fluorescence excitation of claim 1, wherein the end of the transmitting lens cone connected with the reflecting cup is provided with a transmitting lens cone bracket.
5. The oil spill monitoring transmitting and receiving device based on fluorescence excitation of claim 4, wherein the transmitting and fixing member comprises a plurality of transmitting and fixing bolts, the inner side wall surface of the device main body is provided with first threaded holes which are in threaded fit with the corresponding transmitting and fixing bolts, and the LED circuit board and the transmitting lens barrel bracket are provided with first connecting holes which are in threaded fit with the corresponding transmitting and fixing bolts;
a first nut used for pressing the transmitting lens cone bracket is arranged on the transmitting fixing bolt between the transmitting lens cone bracket and the LED circuit board;
and a second nut used for pressing the LED circuit board is arranged on the emission fixing bolt on the other side of the LED circuit board.
6. The oil spill monitoring transmitting and receiving device based on fluorescence excitation of claim 1, wherein the transmitting lens cone support is provided with a light guide column, and the axis of the light guide column is perpendicular to the axis of the transmitting lens cone; the upper portion of leaded light post is provided with the light sense device, the light sense device carries out communication connection with the singlechip on the main control board in the equipment main part.
7. The oil spill monitoring transmitting and receiving device based on fluorescence excitation of claim 6, wherein the transmitting lens barrel support is provided with a through hole penetrating to the light path cavity in the transmitting lens barrel, and the light guide pillar is embedded in the through hole.
8. The fluorescence excitation-based oil spill monitoring transmitting and receiving device as claimed in claim 1, wherein a temperature control switch is disposed on a side of the LED circuit board opposite to the LED lamp beads, the temperature control switch is in communication connection with a single chip microcomputer on a main control board in the device body, and the single chip microcomputer is connected with a power supply driving unit of the LED lamp beads.
9. The oil spill monitoring transmitting and receiving device based on fluorescence excitation of claim 1, wherein the two receiving lens cones are provided with receiving lens cone brackets.
10. The fluorescence excitation based oil spill monitoring transmitting and receiving device according to claim 10, wherein the receiving fixing member includes a plurality of receiving fixing bolts, a second threaded hole for engaging with a corresponding receiving fixing bolt is provided on an inner side wall surface of the device body, and a second connecting hole for engaging with a corresponding receiving fixing bolt is provided on the sensor circuit board and the receiving lens barrel holder;
a third nut used for pressing the receiving lens cone bracket is arranged on the receiving fixing bolt between the receiving lens cone bracket and the sensor circuit board;
and a fourth nut used for pressing the sensor circuit board is arranged on the receiving and fixing bolt on the other side of the sensor circuit board.
11. The oil spill monitoring transmitting and receiving device based on fluorescence excitation of claim 1, wherein a sealing gasket is arranged between the fixing plate and the outer side of the device main body, and a third through hole for the transmitting lens cone to pass through is arranged on the sealing gasket; and two fourth through holes for the receiving lens cone to pass through are formed in the sealing gasket.
12. The fluorescence excitation-based oil spill monitoring transmitting and receiving device as claimed in claim 11, wherein an O-ring is sleeved on the transmitting lens barrel between the sealing pad and the outer side wall surface of the device body.
13. The fluorescence excitation-based oil spill monitoring transmitting and receiving device as claimed in claim 11, wherein an O-ring is sleeved on the receiving lens barrel between the sealing pad and the outer wall surface of the device body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010466305.7A CN113740303A (en) | 2020-05-28 | 2020-05-28 | Oil spilling monitoring transmitting and receiving device based on fluorescence excitation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010466305.7A CN113740303A (en) | 2020-05-28 | 2020-05-28 | Oil spilling monitoring transmitting and receiving device based on fluorescence excitation |
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| CN113740303A true CN113740303A (en) | 2021-12-03 |
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| CN202010466305.7A Pending CN113740303A (en) | 2020-05-28 | 2020-05-28 | Oil spilling monitoring transmitting and receiving device based on fluorescence excitation |
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