Flame detector

Abstract

The utility model belongs to the technical field of flame detection, and particularly relates to a flame detector which comprises a tobacco flue-curing machine, a detection device is arranged in the tobacco flue-curing machine, the detection device comprises an anti-explosion pipe, one end of the anti-explosion pipe extends to the outside of the tobacco flue-curing machine, a plurality of air holes are formed in the outer wall of the anti-explosion pipe, and the air holes are communicated with the tobacco flue-curing machine. An air hole is formed in the explosion-proof pipe, an infrared sensor is fixed in each air hole, a protective lens is fixed at the end part of each infrared sensor, a wiring port of each infrared sensor is connected with a data line, a controller is arranged at the extending end of the data line, the end part of the explosion-proof pipe is in threaded connection with a mounting cover, and a mounting cover is fixed at the end part of the mounting cover; according to the utility model, the explosion-proof pipe is horizontally fixed inside the tobacco flue-curing machine, and the internal environment of the whole tobacco flue-curing machine is monitored by installing a plurality of infrared sensors on the inner wall of a single explosion-proof pipe, so that a fire point can be detected more sensitively, an alarm signal can be sent in time, and fire hazards are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to flame detection technical field, especially a kind of flame detector. BACKGROUND

[0002] Flame detector is a kind of photosensitive fire detector responding to the light radiation of fire, and the occurrence of fire is identified by detecting the optical characteristics of flame, and in the tobacco production curing equipment, whether fire will occur in curing equipment is monitored by installing fire detector in curing equipment.

[0003] The existing flame detector mainly adopts ultraviolet sensor detection and infrared sensor detection, and the ultraviolet sensor is very sensitive to ultraviolet radiation in flame, can quickly respond and issue alarm, and the infrared sensor mainly responds to the infrared radiation with longer wavelength in flame, but when the existing flame detector is applied in curing equipment, the internal space of curing equipment is large, and the flame detector is difficult to implement monitoring in curing equipment in all directions, there is a certain monitoring blind area, and further there is safety hazard, which affects tobacco production. UTILITARY MODEL CONTENT

[0004] The utility model provides a kind of flame detector, to solve the problem that the internal space of existing curing equipment is large, and flame detector is difficult to implement monitoring in curing equipment in all directions.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0006] A kind of flame detector, including curing machine, the inside of the curing machine is provided with detection device, the detection device includes explosion-proof pipe, one end of the explosion-proof pipe extends to the outside of curing machine, the outer wall of the explosion-proof pipe is equipped with a plurality of air holes, each air hole is fixed with infrared sensor, each infrared sensor end is fixed with protective lens, the infrared sensor wiring port is connected with data line, and the extension end of the data line is provided with controller.

[0007] Preferably, the end of the explosion-proof pipe is threadedly connected with mounting cover, the end of the mounting cover is fixed with mounting cover, and the two sides of the mounting cover are symmetrically provided with exhaust fan and air blower.

[0008] Preferably, the two sides of the mounting cover are equipped with air cavity, and the top of the mounting cover is equipped with exhaust hole downward, and the exhaust hole is communicated with air cavity.

[0009] Preferably, the inside of the explosion-proof pipe is provided with support ring, the inner wall of the support ring is provided with support rod, the support rod is provided with gas pipeline, the gas pipeline is U-shaped pipe, and the two ends of the gas pipeline are inserted into two air cavities respectively.

[0010] Preferably, one side wall of the mounting cover is fixed with a fixing seat, and the controller is fixed with the fixing seat through bolts.

[0011] Preferably, the explosion-proof pipe is externally provided with a fixing plate, the fixing plate is fixed with the tobacco roasting machine through bolts, and a gasket is arranged between the fixing plate and the tobacco roasting machine.

[0012] In the above technical solution, the explosion-proof pipe is horizontally fixed in the tobacco roasting machine, a plurality of infrared sensors are arranged on the inner wall of the single explosion-proof pipe to monitor the internal environment of the tobacco roasting machine, the fire point can be more sensitively detected, the alarm signal can be timely sent, the fire hazard is reduced, and compared with the traditional flame detector, the detection device of the application does not need to install independent flame detection devices in a plurality of corners in the tobacco roasting machine, the detection device of the application is more convenient to arrange wires and does not occupy a large space. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0014] Figure 1 It is a structural schematic view of the present application;

[0015] Figure 2 It is a perspective view of the present application;

[0016] Figure 3 It is a structural schematic view of the detection device of the present application;

[0017] Figure 4 It is Figure 3 It is an enlarged view of A part in the figure;

[0018] Figure 5 It is a structural schematic view of the explosion-proof pipe of the present application;

[0019] Figure 6 It is Figure 5 It is an enlarged view of B part in the figure;

[0020] Figure 7 It is Figure 5 It is an enlarged view of C part in the figure;

[0021] Figure 8 It is a structural schematic view of the explosion-proof pipe and the mounting cover of the present application.

[0022] In the figure: 1, the tobacco roaster; 2, detection device; 21, explosion-proof pipe; 211, gas pipeline; 212, infrared sensor; 2121, protective lens; 213, data line; 214, support rod; 215, support ring; 22, fixed plate; 221, gasket; 23, mounting cover; 24, mounting cover; 241, exhaust hole; 242, exhaust fan; 243, hair dryer; 244, air cavity; 25, fixed seat; 251, controller. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] As Figures 1-8 shown, a flame detector, including the tobacco roaster 1, the inside of the tobacco roaster 1 is provided with detection device 2, detection device 2 includes explosion-proof pipe 21, one end of explosion-proof pipe 21 extends to the outside of the tobacco roaster 1, the outer wall of explosion-proof pipe 21 is provided with a plurality of air holes, each air hole is fixed with infrared sensor 212, each infrared sensor 212 end is fixed with protective lens 2121, infrared sensor 212 wiring port is connected with data line 213, the extension end of data line 213 is provided with controller 251;Light passes through protective lens 2121 and reaches infrared sensor 212, and then the flame light can be detected, the principle of infrared sensor 212 is prior art, specifically, when infrared sensor 212 receives infrared emitted by flame, these infrareds are absorbed by the material in the sensor, causing the internal temperature of the material to change, according to pyroelectric effect, the internal temperature change of the material will cause the change of its spontaneous polarization intensity, and then electric charge is generated on the surface of the sensor, after amplification and processing, the electric charge will form an electric signal output;

[0025] It should be noted that, as Figure 6 shown, the installation position of infrared sensor 212 is only an embodiment, specifically, air holes can be provided at any position of explosion-proof pipe 21, and infrared sensor 212 is fixed in the air holes, and infrared sensor 212 can monitor multiple areas inside the tobacco roaster 1, when flame is generated inside the tobacco roaster 1, infrared sensor 212 immediately transmits the monitored signal to controller 251.

[0026] As Figures 3-8As shown, the end of the explosion-proof pipe 21 is threadedly connected with a mounting cover 23, the end of the mounting cover 23 is fixedly connected with a mounting cover 24, the two sides of the mounting cover 24 are symmetrically provided with an air extractor 242 and an air blower 243, the two sides of the mounting cover 24 are provided with air cavities 244, and the top of the mounting cover 24 is provided with an exhaust hole 241 which is communicated with the air cavities 244;

[0027] The inside of the explosion-proof pipe 21 is provided with a supporting ring 215, the inner wall of the supporting ring 215 is provided with a supporting rod 214, the supporting rod 214 is provided with a gas pipeline 211 which is a U-shaped pipe, the two ends of the gas pipeline 211 are respectively inserted into the two air cavities 244, the gas pipeline 211 is horizontally supported by the supporting rod 214, the outer wall of the gas pipeline 211 is provided with a plurality of gas holes (not shown in the figure), after the air blower 243 is started, the air blower 243 blows air into one of the air cavities 244, the air enters the air cavity 244 and then enters the gas pipeline 211 from one end of the gas pipeline 211, the air is discharged from the gas holes in the outer wall of the gas pipeline 211 and diffuses in the explosion-proof pipe 21, at the same time, the air in the explosion-proof pipe 21 enters the gas pipeline 211 through the gas holes in the gas pipeline 211 and is discharged from the air extractor 242 due to the suction force of the air extractor 242, which is beneficial to the circulation of the air in the explosion-proof pipe 21 and further ensures the heat dissipation of the internal structure of the explosion-proof pipe 21, avoids the high temperature in the explosion-proof pipe 21 from causing the infrared sensor 212 to malfunction, and is beneficial to the normal operation of the detection device 2.

[0028] As shown in Figure 4 , one side wall of the mounting cover 24 is fixedly connected with a fixed seat 25, and a controller 251 is fixedly connected with the fixed seat 25 by bolts, and it should be noted that the controller 251 is provided with an alarm, which emits an alarm sound to remind the staff after the infrared sensor 212 detects the flame.

[0029] As shown in Figure 1 , Figure 3 and Figure 4 , the outside of the explosion-proof pipe 21 is provided with a fixed plate 22, and the fixed plate 22 and the tobacco curing machine 1 are provided with a gasket 221, and the explosion-proof pipe 21 is a cylindrical structure, as shown in Figure 4 , the fixed plate 22 is a U-shaped structure, the inner side of the fixed plate 22 is tightly combined with the outer surface of the explosion-proof pipe 21, and the two extending ends of the fixed plate 22 are provided with screw holes, the top of the extending end is provided with a gasket 221, the gasket 221 is combined with the inner wall of the tobacco curing machine 1 and is fixed by bolts, so that the explosion-proof pipe 21 is horizontally arranged in the tobacco curing machine 1.

[0030] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A flame detector comprising a grill (1), characterised in that: The inside of the tobacco roaster (1) is provided with a detection device (2), the detection device (2) comprises an explosion-proof pipe (21), one end of the explosion-proof pipe (21) extends to the outside of the tobacco roaster (1), a plurality of air holes are formed in the outer wall of the explosion-proof pipe (21), an infrared sensor (212) is fixed in each air hole, a protective lens (2121) is fixed at the end of each infrared sensor (212), a data line (213) is connected to the wiring port of the infrared sensor (212), and a controller (251) is arranged at the extension end of the data line (213).

2. A flame detector according to claim 1, characterised in that: The end of the explosion-proof pipe (21) is threadedly connected with a mounting cover (23), the end of the mounting cover (23) is fixedly connected with a mounting cover (24), and the two sides of the mounting cover (24) are symmetrically provided with an air extractor (242) and a blower (243).

3. A flame detector according to claim 2, wherein: The two sides of the mounting cover (24) are provided with air cavities (244), and the top of the mounting cover (24) is provided with an exhaust hole (241) downwardly.

4. A flame detector according to claim 3, wherein: The inside of the explosion-proof pipe (21) is provided with a supporting ring (215), the inner wall of the supporting ring (215) is provided with a supporting rod (214), the supporting rod (214) is provided with a gas pipeline (211), the gas pipeline (211) is a U-shaped pipe, and the two ends of the gas pipeline (211) are respectively inserted into the two air cavities (244).

5. A flame detector according to claim 2, wherein: One side wall of the mounting cover (24) is fixedly connected with a fixing seat (25), and the controller (251) is fixedly connected with the fixing seat (25) through bolts.

6. A flame detector according to claim 1, characterised in that: The outside of the explosion-proof pipe (21) is provided with a fixed plate (22), the fixed plate (22) is fixedly connected with the tobacco roaster (1) through bolts, and a gasket (221) is arranged between the fixed plate (22) and the tobacco roaster (1).

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