CN117589292B - Two-in-one flame detector for double-red-one-purple fire explosion - Google Patents
Two-in-one flame detector for double-red-one-purple fire explosion Download PDFInfo
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- CN117589292B CN117589292B CN202410073190.3A CN202410073190A CN117589292B CN 117589292 B CN117589292 B CN 117589292B CN 202410073190 A CN202410073190 A CN 202410073190A CN 117589292 B CN117589292 B CN 117589292B
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- 239000004033 plastic Substances 0.000 claims description 12
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Classifications
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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
- G01J1/4228—Photometry, e.g. photographic exposure meter using electric radiation detectors arrangements with two or more detectors, e.g. for sensitivity compensation
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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
- G01J1/02—Details
- G01J1/0252—Constructional arrangements for compensating for fluctuations caused by, e.g. temperature, or using cooling or temperature stabilization of parts of the device; Controlling the atmosphere inside a photometer; Purge systems, cleaning devices
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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
- G01J1/02—Details
- G01J1/0271—Housings; Attachments or accessories for photometers
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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
- G01J1/02—Details
- G01J2001/0276—Protection
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Electromagnetism (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention relates to the technical field of flame detectors, in particular to a double-red-single-ultraviolet fire explosion two-in-one flame detector which comprises a shell, a detection lens, an annular base plate, an electric guide rail, a dustproof component and a detector circuit board, wherein the detector circuit board is arranged in the center of the interior of the shell; the double-red-one-ultraviolet fire explosion two-in-one flame detector is simple to install and good in protection effect of the whole structure; when in use, the protective effect on the circuit board is good; in addition, the dust-proof and dust-removing device has good dust-proof and dust-removing functions, and can effectively avoid the influence of dust on the detection accuracy.
Description
Technical Field
The invention relates to the technical field of flame detectors, in particular to a double-red-single-ultraviolet fire explosion two-in-one flame detector.
Background
The flame detector is widely applied to explosion suppression devices, bleeder devices and explosion suppression devices, but the flame detector still has the following problems to be solved in the prior art, and mainly comprises the following steps:
1. The flame detector for explosion suppression used in the current mining field is based on gas pipeline monitoring, the detection distance is usually only 1-2m, and the explosion suppression is obviously insufficient for large-space internal combustion explosion protection;
2. although flame detectors in the fire protection field have been developed for decades, the response to explosion accidents is delayed only for general combustion but not deflagration, and accident disasters cannot be avoided;
meanwhile, when in use, dust is easy to adhere to the surface of the lens, so that the normal detection function of the equipment is affected, dust removal is inconvenient, and manual cleaning is time-consuming and labor-consuming; therefore, it is necessary to design a dual-red-one-purple fire explosion two-in-one flame detector.
Disclosure of Invention
The invention solves the problem of providing the double-red-single-ultraviolet fire explosion two-in-one flame detector which is simple to install and has good protection effect on the whole structure; when in use, the protective effect on the circuit board is good; in addition, the dust-proof and dust-removing device has good dust-proof and dust-removing functions, and can effectively avoid the influence of dust on the detection accuracy.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a two unification flame detector of two red-one purple fire explosion, includes casing, detection lens, annular backing plate, electric guide rail, dustproof subassembly and detector circuit board, the inside central authorities of casing install the detector circuit board, terminal surface one side fixed mounting of casing has the detection lens, and the detection lens is located the outside of detector circuit board, the outer wall fixed mounting of casing has annular backing plate, and the outer wall central authorities fixed mounting of annular backing plate have electric guide rail, the outside of electric guide rail is provided with dustproof subassembly, and dustproof subassembly and the terminal surface laminating of detection lens are connected;
The dustproof subassembly includes guide rail slip table, location otic placode, first upset motor, follow-up seat, regulation side channel, clean frame, spacing groove, second upset motor, gag lever post, spring tube, coil spring, spring depression bar, plastic slab and clean fine, guide rail slip table connection is installed in the outside of electric guide rail, and the equal fixed mounting in one side top and the bottom of guide rail slip table has the location otic placode, two be provided with the follow-up seat between the location otic placode, the bottom terminal surface central authorities fixed mounting of the location otic placode of guide rail slip table one side bottom has first upset motor, and the motor shaft of first upset motor passes location otic placode and follow-up seat fixed connection, the one end central authorities of follow-up seat have seted up regulation side channel, and one side of the inside of regulation side channel is provided with clean frame, the bottom one end central authorities fixed mounting of follow-up seat has the second upset motor, and the motor shaft of second upset motor passes follow-up seat and clean frame fixed connection, the top terminal surface of follow-up seat is located the top of clean frame has the spacing groove, the top terminal surface fixed mounting of clean frame has the spacer bar, and two end of coil spring tube inside-in the inside of a plurality of coil spring tube, two end of coil spring tube and two of coil spring tube, the inside connection has the plastic compression bar.
Preferably, an assembling base is fixedly arranged on the bottom end face of the shell, and a rotating table is connected and arranged on the bottom end face of the assembling base.
Preferably, the bottom end face of the rotary table is fixedly provided with a mounting support through bolts, and mounting positioning holes are formed in the periphery of the end face of the mounting support.
Preferably, the electric cylinder is fixedly arranged in the center of the inner wall of the adjusting side groove, a piston push rod is connected and arranged in the center of the end face of the electric cylinder, a rubber block is fixedly arranged at one end of the piston push rod, and the rubber block is positioned at the outer side of the cleaning frame.
Preferably, a spring pressing plate is fixedly arranged at one end of the outer wall of the spring pressing rod positioned in the spring cylinder, and one side of the spring pressing plate is in fit connection with the spiral spring.
Preferably, the detector circuit board is electrically connected with a solar blind ultraviolet photoelectric tube; the detector circuit board is electrically connected with two lead sulfide infrared light guide devices and an ultraviolet photoelectric tube; the detector circuit board is electrically connected with and provided with a miniature incandescent lamp; the detector circuit board is provided with a dust collection monitoring module, and the dust collection monitoring module is electrically connected with the dust prevention assembly; the detector circuit board is electrically connected with a group of miniature optocoupler relays, and each path can bear 1A current at maximum, so that the detector has the capability of directly driving an actuating mechanism, and the flexibility of system construction is improved;
The detector circuit board adopts a three-layer circuit board structure design, the first layer circuit board is designed into a ring shape and is used for fixing an infrared photoelectric tube and an incandescent lamp for calibration, a status indicator lamp is arranged, a dust collection monitoring transmitting and receiving lamp is arranged, and a central clearance position enables the horizontal ultraviolet photoelectric tube to extend out, so that the height of the horizontal ultraviolet photoelectric tube is equivalent to that of an infrared sensing part of the first layer board; the fixed height of the incandescent lamp for calibration is 2-3mm higher than that of the infrared photoelectric tube, so that the infrared photosensitive element can successfully receive the calibration light of the incandescent lamp; the two-layer board is a main board and is used for fixing electronic elements such as an ultraviolet photoelectric tube, a boosting module, a control chip, a communication chip and the like; the bottom plate is mainly fixed with an input power supply, an output relay, a dial regulator, a wiring terminal bar and three layers of plates which are connected and fixed through copper columns and nylon pads; the total appearance height of the three-layer circuit board after being fixed is not more than 100mm, and the diameter is not more than 80mm.
Preferably, the type of the solar blind ultraviolet photoelectric tube is Japanese pine R9533 type; 2 infrared phototubes are arranged as logical AND, and the infrared phototubes and the ultraviolet phototubes are designed as logical AND again.
Preferably, the dial regulator is a group of 8-bit dial regulator, and the 1-8 gears of the dial regulator correspond to 8 different driving voltages and program algorithms.
The beneficial effects of the invention are as follows:
1. The double-red-one-ultraviolet fire explosion two-in-one flame detector is simple to install and good in protection effect of the whole structure; when the circuit board is used, the shell and other structures are arranged on the outer side of the circuit board, so that the circuit board has a good protection effect, and the circuit board can work normally conveniently; in addition, the dust-proof component is arranged on the outer side of the detection lens shell, so that the dust-proof component has good dust-proof and dust-proof functions, dust on the surface of the detection lens is effectively cleaned, the cleaning effect is good, the cleaning is convenient and quick, the cleaning efficiency is high, and the influence of the dust on the detection accuracy can be effectively avoided; and can be convenient for shake off the dust on clean fine surface of hair, effectively improve clean quality.
2. According to the double-red-one-purple fire explosion two-in-one flame detector, the 2-red-1-purple photosensitive device combination is adopted on the circuit board, and the analysis and judgment of the two logical AND are carried out, so that the influence of a fluorescent lamp interference light source is avoided, the detection view field of the whole detector is improved, the problem of effective monitoring of two types of fire explosion accidents is solved, and the sensitivity and the view field of the flame detector are larger, farther and more stable.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an overall front view of the present invention;
fig. 3 is an overall top view of the present invention.
Legend description:
1. A housing; 2. a detection lens; 3. assembling a base; 4. a rotary table; 5. a mounting support; 6. an annular backing plate; 7. an electric guide rail; 8. a dust-proof assembly; 9. a detector circuit board; 81. a guide rail sliding table; 82. positioning the ear plate; 83. a first turnover motor; 84. a follower seat; 85. adjusting the side grooves; 86. an electric cylinder; 87. a piston push rod; 88. a rubber block; 89. a cleaning frame; 810. a limit groove; 811. a second overturning motor; 812. a limit rod; 813. a spring cylinder; 814. a coil spring; 815. a spring compression bar; 816. a plastic plate; 817. and cleaning the wool fibers.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Specific examples are given below.
Referring to fig. 1-3, a double red and single violet fire explosion two-in-one flame detector comprises a shell 1, a detection lens 2, an annular base plate 6, an electric guide rail 7, a dustproof component 8 and a detector circuit board 9, wherein the detector circuit board 9 is installed in the center of the interior of the shell 1, the detection lens 2 is fixedly installed on one side of the end face of the shell 1 and is positioned on the outer side of the detector circuit board 9, the annular base plate 6 is fixedly installed at one end of the outer wall of the shell 1, the electric guide rail 7 is fixedly installed in the center of the outer wall of the annular base plate 6, the dustproof component 8 is arranged on the outer side of the electric guide rail 7, and the dustproof component 8 is in fit connection with the end face of the detection lens 2;
The dustproof component 8 comprises a guide rail sliding table 81, a positioning lug plate 82, a first overturning motor 83, a follow-up seat 84, an adjusting side groove 85, a cleaning frame 89, a limiting groove 810, a second overturning motor 811, a limiting rod 812, a spring cylinder 813, a spiral spring 814, a spring compression rod 815, a plastic plate 816 and a cleaning wool fiber 817, wherein the guide rail sliding table 81 is connected and installed on the outer side of the electric guide rail 7, the positioning lug plate 82 is fixedly installed on the top and the bottom of one side of the guide rail sliding table 81, the follow-up seat 84 is arranged between the two positioning lug plates 82, the first overturning motor 83 is fixedly installed on the center of the bottom end face of the positioning lug plate 82 on one side of the guide rail sliding table 81, a motor shaft of the first overturning motor 83 penetrates through the positioning lug plate 82 to be fixedly connected with the follow-up seat 84, the adjusting side groove 85 is formed in the center of one end of the follow-up seat 84, and the inside one side of regulation side groove 85 is provided with clean frame 89, the bottom one end central authorities of follow-up seat 84 fixed mounting has second upset motor 811, and the motor shaft of second upset motor 811 passes follow-up seat 84 and clean frame 89 fixed connection, spacing groove 810 has been seted up to the top terminal surface of follow-up seat 84 in clean frame 89's top, the top terminal surface fixed mounting of clean frame 89 has gag lever post 812, and the inside at spacing groove 810 is installed in the grafting of the top one end of gag lever post 812, the opposite side of clean frame 89 is provided with two spring section of thick bamboo 813, the internally mounted of spring section of thick bamboo 813 has coil spring 814, and the terminal surface central authorities grafting of coil spring 814 install spring depression bar 815, the one end of two spring depression bars 815 passes spring section of thick bamboo and connects to install plastic slab 816, and the inboard terminal surface bonding of plastic slab 816 installs a plurality of clean fine wool 817.
The bottom end face of the shell 1 is fixedly provided with an assembly base 3, and the bottom end face of the assembly base 3 is connected and provided with a rotary table 4; the bottom end face of the rotary table 4 is fixedly provided with a mounting support 5 through bolts, and the periphery of the end face of the mounting support 5 is provided with mounting positioning holes; the convenience of installation and use is improved.
An electric cylinder 86 is fixedly arranged in the center of the inner wall of the adjusting side groove 85, a piston push rod 87 is connected and arranged in the center of the end face of the electric cylinder 86, a rubber block 88 is fixedly arranged at one end of the piston push rod 87, and the rubber block 88 is positioned at the outer side of a cleaning frame 89; when the electric cylinder 86 works, the piston push rod 87 and the rubber block 88 can be driven to impact the cleaning frame 89, so that dust adhered to the surface of the cleaning wool 817 is effectively removed.
The outer wall one end that spring depression bar 815 is located the inside of spring section of thick bamboo 813 is fixed with the spring clamp plate, and one side and the coil spring 814 laminating of spring clamp plate are connected, are convenient for pass through the spring clamp plate.
The detector circuit board 9 is electrically connected and provided with a solar blind ultraviolet photoelectric tube, the type of the solar blind ultraviolet photoelectric tube is Japanese kokumi pine R9533, the photosensitive area is larger, the stability of a cathode and an anode is higher, and the ambient temperature is-20-125 DEG, so that the sensitivity and the visual field of the flame detector are larger, farther and more stable;
The detector circuit board 9 is electrically connected with two lead sulfide infrared light guide devices and an ultraviolet photoelectric tube; the infrared tube works in a near infrared band of 1-3 mu m, and has the characteristics of capability of working at room temperature, high response rate and high response speed, and the response speed is less than or equal to 400 mu s; 2 infrared phototubes are arranged as logical AND, and are designed as logical AND with the ultraviolet phototubes again, pulse feedback signals of all photosensitive devices are collected, judgment and analysis are carried out through software logic, meanwhile, interference factors can be effectively removed on the basis of guaranteeing sensitivity through waveform arrangement and screening, and the stability of the detector is improved;
The detector circuit board 9 is electrically connected with and provided with a miniature incandescent lamp; the miniature incandescent lamp is used as an infrared automatic calibration light source, so that the infrared sensing piece is always in a good standby state, and the problem of infrared sensing performance fluctuation caused by temperature change is solved;
The detector circuit board 9 is provided with a dust collection monitoring module, and the dust collection monitoring module is electrically connected with the dust prevention component 8; when the detection lens 2 is seriously dust-collected and blocks the light path, the signal of the dust collection monitoring module cannot be received, and then early warning is carried out, and the detection lens 2 is cleaned through the dust prevention component 8;
The detector circuit board 9 is electrically connected with a group of miniature optocoupler relays, and each path can bear 1A current at maximum, so that the detector has the capability of directly driving an actuating mechanism, and the flexibility of system construction is improved;
The detector circuit board 9 adopts a three-layer circuit board structure design, the first layer circuit board is designed into a ring shape and is used for fixing an infrared photoelectric tube and an incandescent lamp for calibration, a status indicator lamp is arranged, a dust collection monitoring transmitting and receiving lamp is arranged, and a central clearance position enables the horizontal ultraviolet photoelectric tube to extend out, so that the height of the horizontal ultraviolet photoelectric tube is equivalent to the height of an infrared sensing part of the first layer board; the fixed height of the incandescent lamp for calibration is 2-3mm higher than that of the infrared photoelectric tube, so that the infrared photosensitive element can successfully receive the calibration light of the incandescent lamp, the process of perforating the side wall of the infrared photoelectric tube is avoided, the production efficiency is effectively improved, and the service life of the infrared photoelectric tube is prolonged; the two-layer board is a main board and is used for fixing electronic elements such as an ultraviolet photoelectric tube, a boosting module, a control chip, a communication chip and the like; the bottom plate is mainly used for fixing an input power supply, an output relay, a dial regulator, a wiring terminal row and three layers of plates which are connected and fixed through copper columns and nylon pads, so that the interference is eliminated, and the height of a device window is regulated; the total appearance height of the three-layer circuit board after being fixed is not more than 100mm, the diameter is not more than 80mm, and the three-layer circuit board is applicable to various standard shells.
The dial regulator is a group of 8-bit dial regulators, and the 1-8 gears of the dial regulator correspond to 8 different driving voltages and program algorithms; from extremely sensitive to extremely stable, the convenience of on-site installation and debugging is greatly improved, and different sensitivity and stability requirements are set according to different application scenes, so that different requirements of different clients are met.
Working principle: when the device is used, the mounting support 5 is conveniently mounted and fixed at a proper use position by using the fasteners through the four mounting positioning holes on the end face of the mounting support 5, and the rotating angle of the machine shell 1 is conveniently adjusted by the assembly base 3 and the rotating table 4 at the bottom of the machine shell 1; the solar blind ultraviolet phototube is electrically connected with the detector circuit board 9, and is of the type of Japanese kokumi pine R9533, the photosensitive area is larger, the stability of the cathode and the anode is higher, and the ambient temperature is-20-125 ℃, so that the sensitivity and the field of view of the flame detector are larger, farther and more stable; the detector circuit board 9 is electrically connected with two lead sulfide infrared light guide devices and an ultraviolet photoelectric tube; the infrared tube works in a near infrared band of 1-3 mu m, and has the characteristics of capability of working at room temperature, high response rate and high response speed, and the response speed is less than or equal to 400 mu s; the detector circuit board 9 is electrically connected with and provided with a miniature incandescent lamp; the miniature incandescent lamp is used as an infrared automatic calibration light source, so that the infrared sensing piece is always in a good standby state, and the problem of infrared sensing performance fluctuation caused by temperature change is solved; the detector circuit board 9 adopts a three-layer circuit board structure design, the first layer circuit board is designed into a ring shape and is used for fixing an infrared photoelectric tube and an incandescent lamp for calibration, a status indicator lamp is arranged, a dust collection monitoring transmitting and receiving lamp is arranged, and a central clearance position enables the horizontal ultraviolet photoelectric tube to extend out, so that the height of the horizontal ultraviolet photoelectric tube is equivalent to the height of an infrared sensing part of the first layer board; the fixed height of the incandescent lamp for calibration is 2-3mm higher than that of the infrared photoelectric tube, so that the infrared photosensitive element can successfully receive the calibration light of the incandescent lamp, the process of perforating the side wall of the infrared photoelectric tube is avoided, the production efficiency is effectively improved, and the service life of the infrared photoelectric tube is prolonged; the two-layer board is a main board and is used for fixing electronic elements such as an ultraviolet photoelectric tube, a boosting module, a control chip, a communication chip and the like; the bottom plate is mainly used for fixing an input power supply, an output relay, a dial regulator, a wiring terminal row and three layers of plates which are connected and fixed through copper columns and nylon pads, so that the interference is eliminated, and the height of a device window is regulated; the dial regulator is a group of 8-bit dial regulators, and the 1-8 gears of the dial regulator correspond to 8 different driving voltages and program algorithms; from extremely sensitive to extremely stable, the convenience of on-site installation and debugging is greatly improved, and different sensitivity and stability requirements are set according to different application scenes, so that different requirements of different clients are met; when the dust collection of the detection lens 2 is serious and the light path is blocked, the signal of the dust collection monitoring module arranged on the detector circuit board 9 cannot be received, and early warning can be carried out, and the detection lens 2 is cleaned through the dust prevention component 8; the first turnover motor 83 at the bottom of the positioning lug 82 works, the follow-up seat 84 is rotated through a motor shaft, the second turnover motor 811 at the bottom of the follow-up seat 84 works, the motor shaft drives the cleaning frame 89 to rotate in the adjusting side groove 85, so that the cleaning wool fibers 817 at one side of the cleaning frame 89 rotate to a position attached to the surface of the detection lens 2, and as the spiral springs 814 are arranged in the spring cylinders 813, when the cleaning wool fibers 817 are attached to the surface of the detection lens 2, the plastic plate 816 can be pushed by the cleaning wool fibers 817, the plastic plate 816 extrudes the spiral springs 814 through the spring compression rods 815 and the spring compression plates, and the contact effect between the cleaning wool fibers 817 and the detection lens 2 is convenient to adjust; when clean frame 89 rotates, can drive gag lever post 812 at the inside rotation of spacing groove 810, thereby to the rotation to clean frame 89 has spacing effect, the electric guide rail 7 work in the annular backing plate 6 outside, make the guide rail slip table 81 carry out annular rotation in the outside of electric guide rail 7, along with the rotation of guide rail slip table 81, can drive the clean fine 817 of the clean hair of plastic board 816 one side and clean the surface of detection lens 2, after the cleaning, adjust the inside electric cylinder 86 work of side channel 85, can promote the rubber piece 88 through piston push rod 87, make rubber piece 88 collide with clean frame 89, receive the clean frame 89 of impact and transmit the fine 817 of clean hair with vibrations, thereby can tremble the dust of clean fine 817 surface adhesion, thereby the follow-up cleanness of convenience, after the cleaning is accomplished, rotate clean frame 89 to the angle that does not influence the sight of detection lens 2 through first upset motor 83 and second upset motor 811, thereby make things convenient for the detector circuit board 9 and the electronic component on surface to survey.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (1)
1. The utility model provides a two unification flame detector of two red-one purple fire explosion, its characterized in that includes casing (1), detection lens (2), annular backing plate (6), electric guide rail (7), dustproof subassembly (8) and detector circuit board (9), detector circuit board (9) are installed to the inside central authorities of casing (1), terminal surface one side fixed mounting of casing (1) has detection lens (2), and detection lens (2) are located the outside of detector circuit board (9), the outer wall one end fixed mounting of casing (1) has annular backing plate (6), and the outer wall central authorities of annular backing plate (6) have electric guide rail (7), the outside of electric guide rail (7) is provided with dustproof subassembly (8), and dustproof subassembly (8) are connected with the terminal surface laminating of detection lens (2);
The dustproof assembly (8) comprises a guide rail sliding table (81), a positioning lug plate (82), a first overturning motor (83), a follow-up seat (84), an adjusting side groove (85), a cleaning frame (89), a limiting groove (810), a second overturning motor (811), a limiting rod (812), a spring cylinder (813), a spiral spring (814), a spring pressing rod (815), a plastic plate (816) and a cleaning wool (817), the guide rail sliding table (81) is connected and installed on the outer side of an electric guide rail (7), the top and the bottom of one side of the guide rail sliding table (81) are fixedly provided with the positioning lug plate (82), a follow-up seat (84) is arranged between the two positioning lug plates (82), the center of the bottom end face of the positioning lug plate (82) at one side of the guide rail sliding table (81) is fixedly provided with the first overturning motor (83), a motor shaft of the first overturning motor (83) penetrates through the positioning lug plate (82) to be fixedly connected with the follow-up seat (84), one end center of the follow-up seat (84) is provided with the adjusting side groove (85), one side of the adjusting lug plate (85) is fixedly provided with the bottom of the inside of the positioning lug plate (82), the first end (84) is fixedly provided with the second overturning seat (811), the motor shaft of the second turnover motor (811) penetrates through the follow-up seat (84) to be fixedly connected with the cleaning frame (89), a limit groove (810) is formed in the position, above the cleaning frame (89), of the top end face of the cleaning frame (89), a limit rod (812) is fixedly arranged on the top end face of the cleaning frame (89), one end of the top of the limit rod (812) is inserted and arranged in the limit groove (810), two spring barrels (813) are arranged on the other side of the cleaning frame (89), a spiral spring (814) is arranged in each spring barrel (813), a spring pressing rod (815) is inserted and arranged in the center of the end face of each spiral spring (814), one end of each spring pressing rod (815) penetrates through each spring barrel (813) to be connected with a plastic plate (816), and a plurality of cleaning wool fibers (817) are arranged on the inner end face of the plastic plate (816) in a bonding mode.
An assembly base (3) is fixedly arranged on the bottom end surface of the shell (1), and a rotary table (4) is connected and arranged on the bottom end surface of the assembly base (3);
the bottom end face of the rotary table (4) is fixedly provided with a mounting support (5) through bolts, and mounting positioning holes are formed in the periphery of the end face of the mounting support (5);
An electric cylinder (86) is fixedly arranged in the center of the inner wall of the adjusting side groove (85), a piston push rod (87) is connected and arranged in the center of the end face of the electric cylinder (86), a rubber block (88) is fixedly arranged at one end of the piston push rod (87), and the rubber block (88) is positioned at the outer side of the cleaning frame (89);
a spring pressing plate is fixedly arranged at one end of the outer wall of the spring pressing rod (815) positioned in the spring cylinder (813), and one side of the spring pressing plate is in fit connection with the spiral spring (814);
The detector circuit board (9) is electrically connected with a solar blind ultraviolet phototube; the detector circuit board (9) is electrically connected with two lead sulfide infrared light guide devices and an ultraviolet photoelectric tube; the detector circuit board (9) is electrically connected with an incandescent lamp; the detector circuit board (9) is provided with a dust collection monitoring module, and the dust collection monitoring module is electrically connected with the dust prevention assembly (8); the detector circuit board (9) is electrically connected with a group of optocoupler relays, and each path can bear 1A current at maximum;
The detector circuit board (9) adopts a three-layer circuit board structure design, the first layer circuit board is designed into a ring shape and is used for fixing an infrared photoelectric tube and an incandescent lamp for calibration, a status indicator lamp is arranged, a dust collection monitoring transmitting and receiving lamp is arranged, and a central clearance position enables the horizontal ultraviolet photoelectric tube to extend out, so that the height of the horizontal ultraviolet photoelectric tube is equivalent to that of an infrared sensing part of the first layer board; the fixed height of the incandescent lamp for calibration is 2-3mm higher than that of the infrared photoelectric tube, so that the infrared photosensitive element can successfully receive the calibration light of the incandescent lamp; the two-layer board is a main board and is used for fixing the ultraviolet phototube, the boosting module and controlling electronic elements including a chip and a communication chip; the bottom plate is mainly fixed with an input power supply, an output relay, a dial regulator, a wiring terminal bar and three layers of plates which are connected and fixed through copper columns and nylon pads; the total appearance height of the three-layer circuit board after being fixed is not more than 100mm, and the diameter is not more than 80mm;
2 infrared phototubes are arranged as logical AND, and the infrared phototubes and the ultraviolet phototubes are arranged as logical AND again;
The dial regulator is a group of 8-bit dial regulator, and the 1-8 gears of the dial regulator correspond to 8 different driving voltages and program algorithms.
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| CN202410073190.3A CN117589292B (en) | 2024-01-18 | 2024-01-18 | Two-in-one flame detector for double-red-one-purple fire explosion |
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| CN202410073190.3A CN117589292B (en) | 2024-01-18 | 2024-01-18 | Two-in-one flame detector for double-red-one-purple fire explosion |
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