Mining wireless flame sensor convenient to mount and dismount

Abstract

The utility model discloses a mining wireless flame sensor convenient to mount and dismount, which comprises a shell, a circuit board and two detectors, the circuit board and the detectors are mounted in the shell, and the two detectors are respectively an infrared flame detector and an ultraviolet flame detector; the shell is mainly composed of a rear cover, a barrel and a front cover, the barrel is arranged between the front cover and the rear cover, one end of the barrel is detachably connected with the front cover, and the other end of the barrel is detachably connected with the rear cover; the circuit board is fixedly installed on the rear cover through a plurality of supporting columns and arranged in the barrel, the infrared flame detector and the ultraviolet flame detector are fixedly installed at the end, facing the front cover, of the circuit board, and a detection window corresponding to the infrared flame detector and the ultraviolet flame detector is arranged in the middle of the front cover. The shell of the sensor is composed of three parts, the circuit board is fixedly installed on the rear cover through the supporting column, the overall structure is simple, and installation and disassembly are convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of sensor, concretely relates to a mine wireless flame sensor convenient to install and dismount. BACKGROUND

[0002] The mine fire monitoring system, the fire extinguishing system, the mine optical fiber temperature measurement and fire extinguishing control system and the like monitor the safety production information of the automatic fire extinguishing device and the like of the mine area such as the coal mine underground chamber, the electrical room, the air compressor room, the cable trench and the charging and changing station in real time. The mine intrinsic safety type wireless flame sensor is mainly used for the flame monitoring of the gas and dust dangerous area of the coal mine.

[0003] At present, the mine flame sensor mainly includes a shell, a circuit board arranged in the shell and two ultraviolet detectors and a detection window, the two ultraviolet detectors are connected with the circuit board, and the detection window is arranged on the end face of the shell. The shell includes a base and a cover, the cover is threadedly connected with the base to form an inner cavity, the circuit board is installed in the inner cavity, and the two ultraviolet detectors can sense the optical signal entering the inner cavity through the detection window. The circuit board is fixed in the base, the base body is in a cylindrical shape, and the installation and maintenance of the circuit board are relatively inconvenient. Meanwhile, the detector of the existing flame sensor is single, the detection range and effect are poor. SUMMARY

[0004] In view of the above problems in the prior art, the utility model aims at providing a mine wireless flame sensor convenient to install and dismount, solving the problems that the installation and maintenance of the existing flame sensor are inconvenient, and the detector of the flame sensor is single and the detection effect needs to be improved.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0006] The utility model provides a mine wireless flame sensor which is convenient to install and dismount, comprising a shell and a circuit board and a detector installed in the shell, the detector is provided with two, infrared flame detector and ultraviolet flame detector respectively, the shell mainly comprises a rear cover, a cylinder and a front cover, the cylinder is arranged between the front cover and the rear cover, one end of the cylinder is detachably connected with the front cover, and the other end is detachably connected with the rear cover, the circuit board is fixedly installed on the rear cover through a plurality of support columns and arranged in the cylinder, the infrared flame detector and the ultraviolet flame detector are fixedly installed on the one end of the circuit board facing the front cover, and a detection window corresponding to the infrared flame detector and the ultraviolet flame detector is arranged in the middle of the front cover, in this way, the shell of the sensor is composed of three parts, the front cover, the cylinder and the rear cover, and the circuit board is fixed on the side of the rear cover facing the cylinder through a plurality of support columns, if the circuit board needs to be maintained, the cylinder and the rear cover are dismounted, the rear cover is moved backward, the circuit board arranged in the cylinder is taken out, the circuit board is maintained, and the circuit board is maintained, so that the technical personnel can operate conveniently. Meanwhile, the circuit board is fixed on the rear cover through the support column, the installation space is large when the circuit board is installed, and the installation is convenient. The detector arranged on the circuit board is provided with two, which are used for detecting infrared light and ultraviolet light respectively, the detector is arranged to face the detection window, and the detector can detect the light signal passing through the detection window conveniently. The two detectors detect different light signals, and the detection capacity is more comprehensive.

[0007] Further, an external thread is arranged at the front end of the cylinder, the front cover is connected with the cylinder through the thread, a flange is arranged at the rear end of the cylinder and integrally formed with the cylinder, a plurality of thread holes corresponding to the flange are arranged on the rear cover and the flange, the flange is tightly attached to the rear cover and fixed through the fastener and the thread hole. In this way, the cylinder and the rear cover are tightly attached through the flange and fixedly connected through the fastener, the installation is convenient, and the connection structure is stable. The front cover and the cylinder are connected through the thread, the sealing property can be ensured, the installation is convenient, and the structure is stable.

[0008] Further, a universal joint is arranged on the outer end surface of the cylinder. In this way, after the universal joint is arranged, the installation angle of the sensor can be adjusted through the universal joint, so that the sensor can adapt to different installation requirements and the installation is more convenient.

[0009] Further, a DIP switch is fixedly installed on the circuit board and arranged towards the front cover. In this way, the DIP switch can change the baud rate or the equipment address during the equipment maintenance and debugging, and the DIP switch is arranged towards the front cover, so that the DIP switch can be manually adjusted when the front cover is dismounted during the debugging.

[0010] Further, the circuit board is further provided with a wireless transmission module and a data processing module. In this way, the wireless transmission module is convenient for data transmission, and the purpose of real-time display of monitoring data is achieved. The data processing module is connected with the wireless transmission module, can receive the detection data of the infrared flame detector and the ultraviolet flame detector, and transmit the detection data to the client through the wireless transmission module after processing the detection data.

[0011] Further, the circuit board is further provided with a wireless transmission module and a data processing module. In this way, the wireless transmission module is convenient for data transmission, and the purpose of real-time display of monitoring data is achieved. The data processing module is connected with the wireless transmission module, can receive the detection data of the infrared flame detector and the ultraviolet flame detector, and transmit the detection data to the client through the wireless transmission module after processing the detection data. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a split structure schematic view of the mine wireless flame sensor in the embodiment.

[0013] Figure 2 It is a split structure schematic view of the mine wireless flame sensor in the embodiment. DETAILED DESCRIPTION

[0014] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0015] It should be noted that similar reference numerals and letters refer to similar items in the following drawings, and therefore, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings. In the description of the present application, it should be explained that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the application is usually placed during use, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third", and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In addition, the terms "horizontal", "vertical", and the like do not mean that the components must be absolutely horizontal or hanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined. In the description of the present application, it should be explained that, unless otherwise explicitly specified and limited, the terms "provided", "mounted", "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between the two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0016] As Figure 1 , Figure 2The embodiment shown provides a mine-used wireless flame sensor convenient to install and disassemble, which comprises a shell, a circuit board 1 and a detector installed in the shell, the detector is provided with two, which are an infrared flame detector 13 and an ultraviolet flame detector 12; the shell is mainly composed of a rear cover 2, a barrel 3 and a front cover 4, the barrel 3 is arranged between the front cover 4 and the rear cover 2, one end of the barrel 3 is detachably connected with the front cover 4, and the other end of the barrel 3 is detachably connected with the rear cover 2; the circuit board 1 is fixedly installed on the rear cover 2 through a plurality of support columns 21 and arranged in the barrel 3, the infrared flame detector 13 and the ultraviolet flame detector 12 are fixedly installed on one end of the circuit board 1 facing the front cover 4, and a detection window corresponding to the infrared flame detector 13 and the ultraviolet flame detector 12 is arranged in the middle of the front cover 4. In this way, the shell of the sensor is composed of three parts, the front cover 4, the barrel 3 and the rear cover 2, and the circuit board 1 is fixed on one side of the rear cover 2 facing the barrel 3 through the plurality of support columns 21, if the circuit board 1 needs to be maintained, the barrel 3 and the rear cover 2 are disassembled, the rear cover 2 is moved backward, the circuit board 1 arranged in the barrel 3 is taken out, the circuit board 1 is maintained, and the surrounding is not blocked during the maintenance, so that the technician can operate conveniently. Meanwhile, the circuit board 1 is fixed on the rear cover 2 through the support columns 21, the installation space is large when the circuit board 1 is installed, the installation is not blocked, and the installation is also relatively convenient. The detectors arranged on the circuit board 1 are provided with two, which are used for detecting infrared light and ultraviolet light respectively, the detectors are arranged to face the detection window, and the detectors can detect the light signals passing through the detection window conveniently. The two detectors detect different light signals, and the detection capacity is more comprehensive.

[0017] Specifically, an external thread is arranged at the front end of the barrel 3, the front cover 4 is connected with the barrel 3 through the thread; a flange plate 31 is arranged at the rear end of the barrel 3 and integrally formed with the barrel 3, a plurality of thread holes corresponding to the flange plate 31 are arranged on the rear cover 2 and the flange plate 31, the flange plate 31 is tightly attached to the rear cover 2 and fixed through the fasteners and the thread holes. In this way, the barrel 3 and the rear cover 2 are tightly attached through the flange plate 31 and fixedly connected through the fasteners, the installation is convenient, and the connection structure is stable. The front cover 4 and the barrel 3 are connected through the thread, the sealing property can be ensured, the installation is convenient, and the structure is also relatively stable.

[0018] In order to improve the sealing property between the front cover 4 and the barrel 3, a sealing ring is arranged at one end of the barrel 3 close to the front cover 4, and a gasket corresponding to the sealing ring is arranged in the front cover 4. A plurality of assembly holes corresponding to the support columns 21 are arranged on the circuit board 1, the support columns 21 pass through the assembly holes and are fixedly connected with the circuit board 1 through the fasteners.

[0019] In the specific installation, the installation angle of the flame sensor needs to be adjusted according to the different installation positions, and based on this, a universal joint 32 (specifically, the universal joint is any one of the existing universal joints) is further installed on the outer end surface of the cylinder 3. In this way, after the universal joint 32 is arranged, the installation angle of the sensor can be adjusted by adjusting the universal joint 32, so as to adapt to different installation requirements and make the installation more convenient.

[0020] Further, the dial switch 14 is further fixedly installed on the circuit board 1, and the dial switch 14 is arranged towards the front cover 4. In this way, the dial switch 14 can change the baud rate or the device address during the equipment maintenance and debugging, and is arranged towards the front cover 4, that is, during the debugging, the front cover 4 only needs to be removed, and the dial switch 14 can be manually dialed to debug.

[0021] Further, the wireless transmission module and the data processing module are further arranged on the circuit board 1. In this way, the wireless transmission module is arranged to facilitate data transmission and realize the purpose of real-time display of monitoring data. The data processing module is connected with the wireless transmission module, can receive the detection data of the infrared flame detector 13 and the ultraviolet flame detector 12, process the data, and transmit the data to the client through the wireless transmission module.

[0022] Further, two four-core aviation plugs 5 are further arranged on the rear cover 2, and the four-core aviation plugs 5 are electrically connected with the circuit board 1. In this way, the four-core aviation plugs 5 are arranged to facilitate the connection of the external power supply and supply power for the circuit board 1 and the two detectors.

[0023] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and not to limit the technical solutions. Those skilled in the art should understand that those who modify or equivalently replace the technical solutions of the present application without departing from the spirit and scope of the present application should be covered in the scope of the claims of the present application.

Claims

1. A mine-use wireless flame sensor that is easy to install and disassemble, comprising a housing and a circuit board and detector installed inside the housing, characterized in that, The detector has two components: an infrared flame detector and an ultraviolet flame detector. The housing mainly consists of a rear cover, a cylindrical body, and a front cover. The cylindrical body is placed between the front and rear covers, with one end detachably connected to the front cover and the other end detachably connected to the rear cover. The circuit board is fixedly mounted on the rear cover by multiple support pillars and placed inside the cylindrical body. The infrared and ultraviolet flame detectors are fixedly mounted on the end of the circuit board facing the front cover. A detection window corresponding to the infrared and ultraviolet flame detectors is provided in the middle of the front cover.

2. The mine-use wireless flame sensor that is easy to install and disassemble according to claim 1, characterized in that, An external thread is provided at the front end of the cylinder, and the front cover is connected to the cylinder by the thread; a flange integrally formed with the cylinder is provided at the rear end of the cylinder, and multiple threaded holes corresponding to each other are provided on the rear cover and the flange. The flange is tightly attached to the rear cover and is fixed by fasteners that are threadedly engaged with the threaded holes.

3. The mine-use wireless flame sensor that is easy to install and disassemble according to claim 1 or 2, characterized in that, A universal joint is also installed on the outer end face of the cylinder.

4. The mine-use wireless flame sensor that is easy to install and disassemble according to claim 3, characterized in that, A DIP switch is also fixedly installed on the circuit board, and the DIP switch is positioned facing the front cover.

5. The mine-use wireless flame sensor that is easy to install and disassemble according to claim 1, 2, or 4, characterized in that, The circuit board also includes a wireless transmission module and a data processing module.

6. The mine-use wireless flame sensor that is easy to install and disassemble according to claim 5, characterized in that, The back cover also has two four-pin aviation connectors, which are electrically connected to the circuit board.

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