Marine waterproof ultraviolet flame detector

Abstract

The invention discloses a marine waterproof ultraviolet flame detector, and belongs to the technical field of flame detectors. A marine waterproof ultraviolet flame detector comprises an ultraviolet flame detector body, one end of the ultraviolet flame detector body is in threaded connection with an air bellow, the interior of the air bellow is in threaded connection with a draught fan, a plurality of air inlet grooves are formed in one end of the ultraviolet flame detector body at equal intervals, one end of each air inlet groove is communicated with the air bellow, and the other end of each air inlet groove is communicated with the draught fan. A fan cover is screwed outside the ultraviolet flame detector main body, a plurality of air outlet grooves are formed in the fan cover at equal intervals, one end of each air outlet groove is communicated with the other end of the air inlet groove, and an air inlet is formed in the outer wall of the bottom of the air bellow. The problems that the prior art does not have a waterproof function, the ultraviolet flame detector can be damaged under long-time erosion of rainwater, if moisture on the surface of the ultraviolet flame detector is not cleaned in time, the moisture can permeate into the ultraviolet flame detector, and the detection accuracy of the ultraviolet flame detector is influenced are effectively solved.

Description

Technical Field

[0001] The invention relates to the technical field of flame detectors, and in particular to a marine waterproof ultraviolet flame detector. Background Art

[0002] The UV flame detector is a non-contact flame monitoring device that works on the principle of ultraviolet spectroscopy technology. It confirms the existence of the fire source by detecting the specific band of ultraviolet radiation generated when the flame burns, thereby ensuring the normal operation and safety protection of the equipment. Ultraviolet flame detectors are often used on ships to detect fire conditions in the main engine room of the ship and issue alarms in time.

[0003] After searching, the prior art (announcement number: CN206340128U) is a kind of ultraviolet flame detector. The article proposes that "its structure includes a mounting base, a hanging bracket, a horizontal rotating seat, a vertical screw, a switching circuit, a single-chip microcomputer, a detector body, a drive alarm indicator light, a quartz observation port, an ultraviolet sensor pin level, a drive alarm relay, a sealing buckle, a pulse converter, a recovery relay output current, and a flame narrow light pulse acquisition system. The side end of the mounting base is connected to the horizontal rotating seat through a hanging bracket, and a horizontal screw is fixed on the horizontal rotating seat. A vertical screw is provided at the center end of the horizontal rotating seat, and the vertical screw is connected to the horizontal rotating seat through the horizontal screw. A detector body is provided under the horizontal rotating seat". The equipment operates stably and reliably, and has high sensitivity, high output, and high response speed, which improves the stability and continuous use of the detector.

[0004] However, the existing technology does not have a waterproof function, and the ultraviolet flame detector is usually installed on the outside of the ship. Under long-term erosion by rain, the ultraviolet flame detector will be damaged. If the moisture on the surface of the ultraviolet flame detector is not cleaned in time, the moisture will penetrate into the inside and affect the detection accuracy of the ultraviolet flame detector. Therefore, it is necessary to design a marine waterproof ultraviolet flame detector. Summary of the invention

[0005] The purpose of the present invention is to solve the problem that the prior art does not have a waterproof function and the ultraviolet flame detector will be damaged under long-term erosion by rain. If the moisture on the surface of the ultraviolet flame detector is not cleaned in time, the moisture will penetrate into the interior and affect the detection accuracy of the ultraviolet flame detector.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions: A marine waterproof ultraviolet flame detector comprises an ultraviolet flame detector body, one end of the ultraviolet flame detector body is screwed with a bellows, and the inside of the bellows is screwed with a fan, one end of the ultraviolet flame detector body is equidistantly provided with a plurality of air inlet slots, and one end of the air inlet slot is connected to the bellows, the outside of the ultraviolet flame detector body is screwed with a wind cover, and the wind cover is equidistantly provided with a plurality of air outlet slots, one end of the air outlet slot is connected to the other end of the air inlet slot, an air inlet is provided on the bottom outer wall of the bellows, and a connecting pipe is welded to the bottom of the air inlet, a pair of electric heating wires are screwed inside the connecting pipe, and a control A control switch is provided on the top of the ultraviolet flame detector body, and one end of the fixing frame is screwed with a motor, the output end of the motor is screwed and fixed to the top of the ultraviolet flame detector body, the output end of the motor is welded with a first bevel gear, the outer wall of the wind cover is welded with a pair of limiting rings, the outer sleeve of the ultraviolet flame detector body is provided with a second bevel gear, and the second bevel gear is located between the two limiting rings, the first bevel gear is meshed with the second bevel gear, the outer wall of the second bevel gear is welded with a support rod, and the bottom of the other end of the support rod is screwed with a brush head, and the bottom of the brush head is in contact with the outer wall of the ultraviolet flame detector body.

[0007] Preferably, a filter cover is screwed to one end of the bottom of the connecting pipe, the interior of the filter cover is filled with activated carbon, and the control switch is located above the top of the filter cover.

[0008] Preferably, a pair of heat dissipation openings are provided on the outer wall of the bellows, and sealing blocks are inserted inside the heat dissipation openings, a sealing plate is glued onto the sealing block, and the sealing plate is located inside the bellows, and the size of the sealing plate is larger than the heat dissipation openings.

[0009] Preferably, a bracket is welded on one side of the heat dissipation port, and a pull-out rod is inserted into the inside of the bracket, one end of the pull-out rod is glued and fixed to the sealing block, a rubber ring is glued to the inner wall of the bracket, and the outer contour of the pull-out rod fits with the inner wall of the rubber ring.

[0010] Preferably, a support plate is screwed to the other end of the pull rod.

[0011] Preferably, a pair of connecting plates are welded on both sides of the other end of the fixing frame, and screws are threadedly installed on the connecting plates, and a junction box is screwed on the bottom end surface of the connecting plate.

[0012] Preferably, the fixing frame is L-shaped, the fixing frame is made of stainless steel, and the outer wall of the fixing frame is sprayed with epoxy resin anti-corrosion paint.

[0013] Preferably, the brush head is a nylon brush, the two limiting rings are both in contact with the outer wall of the second bevel gear, and the first bevel gear and the second bevel gear are both made of stainless steel.

[0014] Compared with the prior art, the present invention provides a marine waterproof ultraviolet flame detector, which has the following beneficial effects: 1. The present invention allows air in the bellows to enter the air inlet slot through the fan, and the gas can flow into the air outlet slot through the air inlet slot and be discharged to the outside. The water droplets attached to the ultraviolet flame detector body can be blown off by blowing out the gas. The electric heating wire is started by the control switch to heat the air entering the air inlet. The discharge of hot air is beneficial to accelerate the drying of the outer wall of the ultraviolet flame detector body. The ultraviolet flame detector body is driven to rotate by the motor, which can expand the detection range of the ultraviolet flame detector body. The first bevel gear and the second bevel gear can be used to drive the support rod to rotate when the motor is running. The brush head on the support rod can sweep away the water droplets on the ultraviolet flame detector body, which is beneficial to improve the cleaning effect. This method can clean the moisture on the surface of the ultraviolet flame detector body in rainy weather in time, reduce the damage of rainwater to the ultraviolet flame detector, prevent moisture from penetrating into the interior, and ensure the accuracy of detection of the ultraviolet flame detector.

[0015] 2. The filter cover and activated carbon can filter the air before the gas enters the connecting pipe. By pushing the pull-out rod, the sealing block can be moved inward and the heat dissipation port can be exposed, so that the outside air can exchange heat with the gas in the bellows, which is conducive to rapid cooling. By pulling the support plate to drive the pull-out rod to move outward, the sealing block can be moved back into the heat dissipation port to achieve a sealing effect at the heat dissipation port. The sealing plate can improve the sealing of the heat dissipation port. The rubber ring can increase the friction between the bracket and the pull-out rod, and the positioning effect can be achieved after the pull-out rod is moved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 An overall isometric view of a marine waterproof ultraviolet flame detector proposed by the present invention; Figure 2 This is an overall front view of a marine waterproof ultraviolet flame detector proposed by the present invention; Figure 3 This is a schematic diagram of the internal structure of a marine waterproof ultraviolet flame detector proposed by the present invention; Figure 4 This is a schematic diagram of the overall structure of a marine waterproof ultraviolet flame detector proposed by the present invention; Figure 5 This is an overall cross-sectional view of a marine waterproof ultraviolet flame detector proposed by the present invention; Figure 6 The present invention provides a cross-sectional view of a heat dissipation port of a marine waterproof ultraviolet flame detector.

[0017] Explanation of the figure numbers: 1. Main body of the ultraviolet flame detector; 2. Bellows; 3. Fan; 4. Air inlet slot; 5. Wind hood; 6. Air outlet slot; 7. Air inlet; 8. Connecting pipe; 9. Heating wire; 10. Control switch; 11. Fixing bracket; 12. Motor; 13. First bevel gear; 14. Limiting ring; 15. Second bevel gear; 16. Support rod; 17. Brush head; 18. Filter cover; 19. Activated carbon; 20. Heat dissipation port; 21. Sealing block; 22. Sealing plate; 23. Bracket; 24. Pull-out rod; 25. Rubber ring; 26. Support plate; 27. Connecting plate; 28. Screw; 29. ​​Junction box. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0019] Embodiment 1: See also Figure 1-6 A marine waterproof ultraviolet flame detector comprises an ultraviolet flame detector body 1, one end of the ultraviolet flame detector body 1 is screwed with a bellows 2, and the inside of the bellows 2 is screwed with a fan 3, one end of the ultraviolet flame detector body 1 is equidistantly provided with a plurality of air inlet slots 4, and one end of the air inlet slot 4 is connected with the bellows 2, an air hood 5 is screwed on the outside of the ultraviolet flame detector body 1, and the wind hood 5 is equidistantly provided with a plurality of air outlet slots 6, one end of the air outlet slot 6 is connected with the other end of the air inlet slot 4, an air inlet 7 is provided on the bottom outer wall of the bellows 2, and a connecting pipe 8 is welded to the bottom of the air inlet 7, a pair of electric heating wires 9 are screwed inside the connecting pipe 8, and a control switch 10 is screwed on the outer wall of the connecting pipe 8, and an ultraviolet flame detector body 1 is provided with a plurality of air outlet slots 6, and an air outlet slot 6 is connected with the other end of the air inlet slot 4, and an air inlet 7 is provided on the bottom outer wall of the bellows 2, and a connecting pipe 8 is welded to the bottom of the air inlet 7, a pair of electric heating wires 9 are screwed inside the connecting pipe 8, and a control switch 10 is screwed on the outer wall of the connecting pipe 8, A fixing frame 11 is provided above the top of the flame detector body 1, and a motor 12 is screwed to one end of the fixing frame 11, and the output end of the motor 12 is screwed and fixed to the top of the ultraviolet flame detector body 1, and a first bevel gear 13 is welded to the output end of the motor 12, and a pair of limit rings 14 are welded to the outer wall of the wind cover 5, and a second bevel gear 15 is sleeved on the outside of the ultraviolet flame detector body 1, and the second bevel gear 15 is located between the two limit rings 14, the first bevel gear 13 is meshed with the second bevel gear 15, and a support rod 16 is welded to the outer wall of the second bevel gear 15, and a brush head 17 is screwed to the bottom of the other end of the support rod 16, and the bottom of the brush head 17 is in contact with the outer wall of the ultraviolet flame detector body 1; The air in the bellows 2 can be made to enter the air inlet slot 4 through the fan 3, and the gas can flow into the air outlet slot 6 through the air inlet slot 4 and be discharged to the outside. The water droplets attached to the ultraviolet flame detector body 1 can be blown off by blowing out the gas. The control switch 10 is used to control the opening and closing of the fan 3, the heating wire 9 and the motor 12. The heating wire 9 is started by the control switch 10, and the air entering the air inlet 7 can be heated. The discharge of hot air is beneficial to accelerate the drying of the outer wall of the ultraviolet flame detector body 1. The ultraviolet flame detector body 1 is driven to rotate by the motor 12, and the detection range of the ultraviolet flame detector body 1 can be expanded. The first bevel gear 13 and the second bevel gear 15 can be used to drive the support rod 16 to rotate when the motor 12 is running. The brush head 17 on the support rod 16 can sweep away the water droplets on the ultraviolet flame detector body 1, which is beneficial to improve the cleaning effect.

[0020] Embodiment 2: See also Figure 1-3 , 5-6, based on the embodiment 1, the difference is that a filter cover 18 is screwed to one end of the bottom of the connecting pipe 8, the interior of the filter cover 18 is filled with activated carbon 19, the control switch 10 is located above the top of the filter cover 18, the outer wall of the bellows 2 is provided with a pair of heat dissipation ports 20, and the interior of the heat dissipation ports 20 is plugged with a sealing block 21, a sealing plate 22 is glued to the sealing block 21, and the sealing plate 22 is located on the inner side of the bellows 2, the size of the sealing plate 22 is larger than the heat dissipation port 20, a bracket 23 is welded to one side of the heat dissipation port 20, and a pull rod 24 is plugged into the interior of the bracket 23, one end of the pull rod 24 is glued and fixed to the sealing block 21, and the inner wall of the bracket 23 A rubber ring 25 is glued, and the outer contour of the pull rod 24 fits the inner wall of the rubber ring 25. A support plate 26 is screwed to the other end of the pull rod 24. A pair of connecting plates 27 are welded on both sides of the other end of the fixing frame 11, and screws 28 are installed on the connecting plates 27 through threads. A terminal box 29 is screwed to the bottom end face of the connecting plate 27. The fixing frame 11 is L-shaped, the fixing frame 11 is made of stainless steel, and the outer wall of the fixing frame 11 is sprayed with epoxy resin anti-corrosion paint. The brush head 17 is a nylon brush. The two limit rings 14 fit the outer wall of the second bevel gear 15. The first bevel gear 13 and the second bevel gear 15 are both made of stainless steel. The filter cover 18 and the activated carbon 19 can filter the air before the gas enters the connecting pipe 8. The sealing block 21 can be moved inward by pushing the pull rod 24, and the heat dissipation port 20 can be exposed, so that the outside air can exchange heat with the gas in the bellows 2, which is conducive to rapid cooling. The support plate 26 is pulled to drive the pull rod 24 to move outward, so that the sealing block 21 can be moved back into the heat dissipation port 20 to achieve a sealing effect on the heat dissipation port 20. The sealing plate 22 can improve the sealing performance of the heat dissipation port 20. The rubber ring 25 can increase the friction between the bracket 23 and the pull rod 24, and the positioning effect can be achieved after the pull rod 24 moves. The fixing frame 11 can be fixed to the hull by screws 28 and connecting plates 27. The junction box 29 can realize the power connection function and supply power to the electrical devices on the equipment.

[0021] The ultraviolet flame detector body 1, fan 3, heating wire 9, control switch 10, motor 12 and junction box 29 used in the present invention are all existing mature technologies, so they are not described in detail below. When in use, the air in the bellows 2 can be allowed to enter the air inlet slot 4 through the fan 3, and the gas can flow into the air outlet slot 6 through the air inlet slot 4 and be discharged to the outside. The water droplets attached to the ultraviolet flame detector body 1 can be blown off by blowing out the gas. The control switch 10 is used to start the heating wire 9, and the air entering the air inlet 7 can be heated. The discharge of hot air is conducive to accelerating the drying of the outer wall of the ultraviolet flame detector body 1. The ultraviolet flame detector body 1 is driven to rotate by the motor 12, which can expand the detection range of the ultraviolet flame detector body 1. The first bevel gear 13 and the second bevel gear 15 can be used to drive the support rod 16 to rotate when the motor 12 is running, and the brush head 17 on the support rod 16 can be used to sweep away The water droplets on the main body 1 of the ultraviolet flame detector are conducive to improving the cleaning effect. The filter cover 18 and the activated carbon 19 can filter the air before the gas enters the connecting pipe 8. The sealing block 21 can be moved inward by pushing the pull rod 24, and the heat dissipation port 20 can be exposed, so that the outside air can exchange heat with the gas in the bellows 2, which is conducive to rapid cooling. By pulling the support plate 26 to drive the pull rod 24 to move outward, the sealing block 21 can be moved back into the heat dissipation port 20 to achieve the sealing effect at the heat dissipation port 20. The sealing plate 22 can improve the sealing at the heat dissipation port 20. The rubber ring 25 can increase the friction between the bracket 23 and the pull rod 24, and the positioning effect can be achieved after the pull rod 24 moves. The fixing frame 11 can be fixed to the hull by screws 28 and connecting plates 27. The junction box 29 can realize the power connection function and power the electrical devices on the equipment.

[0022] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of this template.

[0023] In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, and a specific direction structure and operation, and therefore, cannot be understood as a limitation of the present invention. In addition, "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A marine waterproof ultraviolet flame detector, comprising an ultraviolet flame detector body (1), characterized in that: One end of the ultraviolet flame detector body (1) is screwed with a bellows (2), and a fan (3) is screwed inside the bellows (2); one end of the ultraviolet flame detector body (1) is provided with a plurality of air inlet slots (4) at equal intervals, and one end of the air inlet slots (4) is connected to the bellows (2); a wind cover (5) is screwed on the outside of the ultraviolet flame detector body (1), and a plurality of air outlet slots (6) are screwed on the wind cover (5) at equal intervals, and one end of the air outlet slots (6) is connected to the other end of the air inlet slots (4); an air inlet (7) is provided on the bottom outer wall of the bellows (2), and a connecting pipe (8) is welded to the bottom of the air inlet (7); a pair of electric heating wires (9) are screwed inside the connecting pipe (8), and a control switch (10) is screwed on the outer wall of the connecting pipe (8); the top of the ultraviolet flame detector body (1) is provided with a fan. A fixing frame (11) is provided on the top, and a motor (12) is screwed to one end of the fixing frame (11); the output end of the motor (12) is screwed to the top of the ultraviolet flame detector body (1); a first bevel gear (13) is welded to the output end of the motor (12); a pair of limit rings (14) are welded to the outer wall of the wind cover (5); a second bevel gear (15) is sleeved on the outside of the ultraviolet flame detector body (1), and the second bevel gear (15) is located between the two limit rings (14); the first bevel gear (13) is meshed with the second bevel gear (15); a support rod (16) is welded to the outer wall of the second bevel gear (15); a brush head (17) is screwed to the bottom of the other end of the support rod (16); the bottom of the brush head (17) is in contact with the outer wall of the ultraviolet flame detector body (1).

2. A marine waterproof ultraviolet flame detector according to claim 1, characterized in that: A filter cover (18) is screwed to one end of the bottom of the connecting pipe (8), the interior of the filter cover (18) is filled with activated carbon (19), and the control switch (10) is located above the top of the filter cover (18).

3. A marine waterproof ultraviolet flame detector according to claim 1, characterized in that: The outer wall of the bellows (2) is provided with a pair of heat dissipation openings (20), and a sealing block (21) is inserted into the interior of the heat dissipation opening (20), a sealing plate (22) is glued onto the sealing block (21), and the sealing plate (22) is located inside the bellows (2), and the size of the sealing plate (22) is larger than the heat dissipation opening (20).

4. A marine waterproof ultraviolet flame detector according to claim 3, characterized in that: A bracket (23) is welded to one side of the heat dissipation port (20), and a pull-out rod (24) is inserted into the interior of the bracket (23); one end of the pull-out rod (24) is glued and fixed to the sealing block (21); a rubber ring (25) is glued to the inner wall of the bracket (23), and the outer contour of the pull-out rod (24) fits the inner wall of the rubber ring (25).

5. A marine waterproof ultraviolet flame detector according to claim 4, characterized in that: The other end of the draw rod (24) is screwed with a support plate (26).

6. A marine waterproof ultraviolet flame detector according to claim 1, characterized in that: A pair of connecting plates (27) are welded to both sides of the other end of the fixing frame (11), and screws (28) are threadedly mounted on the connecting plates (27), and a junction box (29) is screwed to the bottom end surface of the connecting plate (27).

7. A marine waterproof ultraviolet flame detector according to claim 1, characterized in that: The fixing frame (11) is L-shaped, the fixing frame (11) is made of stainless steel, and the outer wall of the fixing frame (11) is sprayed with epoxy resin anti-corrosion paint.

8. The marine waterproof ultraviolet flame detector according to claim 1, characterized in that: The brush head (17) is a nylon brush, the two limiting rings (14) are both in contact with the outer wall of the second bevel gear (15), and the first bevel gear (13) and the second bevel gear (15) are both made of stainless steel.

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