Flame detector capable of displaying detection range of instrument

Abstract

The utility model relates to the technical field of instrument detection, in particular to a flame detector capable of displaying the detection range of an instrument, which comprises an instrument body, and a sensor array used for receiving flame signals is arranged in the instrument body. The instrument body is provided with a laser scribing mechanism, and the laser scribing mechanism comprises a turntable positioning seat, a turntable, an angle seat, a first laser pen and a second laser pen; the angle seat is provided with a central hole corresponding to an instrument detection center and a scribing hole corresponding to an instrument detection edge, the first laser pen is arranged in the central hole, and the second laser pen is arranged in the scribing hole; compared with the mode that a flame detecting instrument adopted in the traditional technology can only estimate the detection range during working, laser hinting scribing operation is added, the instrument detection range is clearer and more visible, the operation difficulty of on-site construction personnel is lowered, the on-site operation safety of the construction personnel is greatly improved, and therefore the flame detecting instrument has excellent practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of instrument detection, in particular to a flame detector which displays the detection range of an instrument. Background Art

[0002] Flame detectors are a common device used to monitor the presence of flames and issue timely alarms so that appropriate measures can be taken to prevent the occurrence and spread of fire.

[0003] The flame detectors currently used on the market use a sensor array to receive flame signals. During the detection process, the detection range can only be roughly estimated by the direction of the instrument. On-site construction personnel cannot directly observe the flame detection range, which increases the difficulty of on-site construction operations. Utility Model Content

[0004] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a flame detector with a display instrument detection range, so as to solve the problem that the flame detectors used in the prior art cannot intuitively display the detection range.

[0005] To achieve the above-mentioned and other related purposes, the present invention provides a flame detector for displaying the detection range of an instrument, comprising an instrument body, wherein the instrument body is provided with a sensor array for receiving flame signals;

[0006] The instrument body is provided with a laser marking mechanism, which includes:

[0007] A turntable positioning seat, the turntable positioning seat is fixedly mounted on the upper end of the instrument body;

[0008] A turntable rotatably mounted on the upper end of the turntable positioning seat;

[0009] An angle seat, the angle seat is fixedly mounted on the upper end of the turntable; the angle seat is provided with a center hole corresponding to the instrument detection center and a marking hole corresponding to the instrument detection edge;

[0010] a first laser pen, which is installed in the center hole and is used to display the position of the instrument detection center;

[0011] The second laser pen is installed in the marking hole, and the second laser pen arranged on the angle seat is driven by the rotating disk to draw a line in a circumferential direction to display the detection range of the instrument.

[0012] In one embodiment of the present invention, a track is provided on the upper end of the turntable positioning seat. Steel balls are rolled in the track. The turntable is pressed against the steel balls. The steel balls and the track provide precise guidance for the circular motion of the turntable.

[0013] In one embodiment of the present invention, the turntable is provided with a through hole, through which a hexagon socket set screw is passed; a compression spring is connected to the hexagon socket set screw, and the lower end of the compression spring presses on the steel ball.

[0014] In one embodiment of the present invention, two scribed holes are provided, and the two scribed holes correspond to instrument detection edges in different ranges respectively.

[0015] In one embodiment of the present invention, a flat head screw is passed through between the turntable and the turntable positioning seat, and a sleeve is provided in the area where the flat head screw passes through the turntable.

[0016] In one embodiment of the present invention, the angle seat and the turntable are detachably connected by fastening screws.

[0017] In one embodiment of the present invention, the edge of the turntable positioning seat surrounds the outer side of the upper end of the instrument body, and a detachable locking screw is externally connected between the edge of the turntable positioning seat and the outer side of the upper end of the instrument body.

[0018] As described above, the flame detector with a display instrument detection range of the present invention has the following beneficial effects:

[0019] The utility model is provided with a laser marking mechanism. The laser marking mechanism can mark within the detection range by laser when using an instrument to detect flames, so that the detection range of the instrument is clearly visible, providing good observation conditions for on-site construction personnel, making it easier for construction personnel to work on-site and improving the safety of on-site construction; the laser marking mechanism adopts a turntable positioning seat in conjunction with the turntable to realize the rotation function of the laser marking mechanism, and a track is provided on the turntable positioning seat and a steel ball is pressed between the turntable positioning seat and the turntable, which ensures the centering rotation of the turntable and also ensures smooth rotation, avoids rotation offset or jamming, and improves the flexibility of the laser marking mechanism in rotating and marking; laser marking machine The structure is detachably connected to the instrument body through the turntable positioning seat, which is convenient and flexible to disassemble and assemble, and is conducive to product maintenance; the laser marking mechanism displays the position of the instrument detection center through the first laser pen, and the turntable and steel balls rotate flexibly with the turntable positioning seat to drive the second laser pen on the angle seat to draw circumferential lines, intuitively displaying the detection range of the instrument. Compared with the flame detection instrument used in traditional technology that can only estimate the detection range when working, this application adds a laser schematic marking operation, which makes the instrument detection range clearer and more visible, reduces the difficulty of on-site construction personnel's operation, and greatly improves the on-site operation safety of construction personnel, and thus has excellent practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 Shown is a schematic diagram of the external structure of the present utility model.

[0021] Figure 2 Shown is a schematic diagram of the exploded structure of the present invention.

[0022] Figure 3 Shown is a schematic cross-sectional structural diagram of the present invention.

[0023] Component number description

[0024] Instrument body 1; sensor array 2; turntable positioning seat 3; track 31; turntable 4; through hole 41; angle seat 5; center hole 51; marking hole 52; first laser pointer 6; second laser pointer 7; steel ball 8; hexagon socket set screw 9; compression spring 10; fastening screw 11; locking screw 12; flat head screw 13; sleeve 14. DETAILED DESCRIPTION

[0025] The following describes the implementation of the present invention through specific embodiments. People familiar with this technology can easily understand other advantages and effects of the present invention from the content disclosed in this specification.

[0026] See also Figures 1 to 3 . It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of this utility model. Therefore, they have no substantive technical significance. Any modification of the structure, change in the proportional relationship or adjustment of the size should still fall within the scope of the technical content disclosed by this utility model without affecting the efficacy and purpose that can be achieved by this utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of this utility model. Changes or adjustments in their relative relationships should also be regarded as the scope of the implementation of this utility model without substantially changing the technical content.

[0027] See also Figure 1-3 The utility model provides a flame detector for displaying the detection range of an instrument, comprising an instrument body 1, wherein the instrument body 1 is provided with a sensor array 2 for receiving a flame signal, and the sensor array 2 includes a large detection range and a small detection range.

[0028] The instrument body 1 is provided with a laser marking mechanism, which includes a turntable positioning seat 3, a turntable 4, an angle seat 5, a first laser pen 6, and a second laser pen 7. The turntable positioning seat 3 is fixedly mounted on the upper end of the instrument body 1. Specifically, the edge of the turntable positioning seat 3 is covered on the outer side of the upper end of the instrument body 1, and a detachable locking screw 12 is connected from the outside between the edge of the turntable positioning seat 3 and the outer side of the upper end of the instrument body 1; the turntable 4 is rotatably mounted on the upper end of the turntable positioning seat 3, and a flat head screw 13 is connected between the turntable 4 and the turntable positioning seat 3, and a sleeve 14 is provided in the area where the flat head screw 13 passes through the turntable 4, and the turntable 4 is rotated and assembled relative to the turntable positioning seat 3 by cooperation between the flat head screw 13 and the sleeve 14; the angle seat 5 is fixedly mounted on the upper end of the turntable 4, and the angle seat 5 is connected to the turntable 4. It is detachably connected to the turntable 4 by a fastening screw 11; the angle seat 5 is provided with a center hole 51 corresponding to the instrument detection center and a marking hole 52 corresponding to the instrument detection edge, and there are two marking holes 52, which correspond to the instrument detection edges in different ranges respectively; the first laser pen 6 is installed in the center hole 51 to display the position of the instrument detection center; the second laser pen 7 is installed in the marking hole 52, and the second laser pen 7 provided on the angle seat 5 is driven by rotating the turntable 4 to draw a line circumferentially to display the detection range of the instrument; the laser marking mechanism can use laser to draw a line within the detection range when using the instrument to detect flames, so that the instrument detection range is clearly visible, providing good observation conditions for on-site construction personnel, so as to reduce the difficulty of on-site operations for construction personnel and improve the safety of on-site construction.

[0029] The upper end of the turntable positioning seat 3 is provided with a track 31, and a steel ball 8 is rolled in the track 31. The turntable 4 is pressed against the steel ball 8, and the steel ball 8 cooperates with the track 31 to provide precise guidance for the circular motion of the turntable 4, ensuring that the turntable 4 moves in a circular motion and will not deviate from the track; the turntable 4 is provided with a through hole 41, and a hexagon socket set screw 9 is passed through the through hole 41; the hexagon socket set screw 9 is connected to a compression spring 10, and the lower end of the compression spring 10 is pressed against the steel ball 8; the laser marking mechanism adopts the turntable positioning seat 3 to cooperate with the turntable 4 to realize the rotation function of the laser marking mechanism, and sets a track 31 on the turntable positioning seat 3 and presses the steel ball 5 between the turntable positioning seat 3 and the turntable 4, which ensures the centered rotation of the turntable 4 and also ensures smooth rotation, avoids rotation offset or jamming, and improves the flexibility of the laser marking mechanism in rotating marking.

[0030] In summary, the flame detector provided by the present invention displays the detection range of the instrument. The laser marking mechanism it adopts can be detachably connected to the instrument body 1 through the turntable positioning seat 3. It is convenient and flexible to disassemble and assemble, which is conducive to product maintenance. The laser marking mechanism displays the position of the instrument detection center through the first laser pen 6. The turntable 4 and the steel ball 8 rotate flexibly with the turntable positioning seat 3, driving the second laser pen 6 on the angle seat 5 to draw lines in a circumferential direction, intuitively displaying the detection range of the instrument. Compared with the flame detection instrument used in traditional technology that can only estimate the detection range when working, the present application adds a laser schematic marking operation, making the instrument detection range more clearly visible, reducing the difficulty of on-site construction personnel, and greatly improving the safety of on-site construction personnel, thus having excellent practicality. Therefore, the present invention effectively overcomes the various shortcomings of the existing technology and has high industrial utilization value.

[0031] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Anyone skilled in the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by one of ordinary skill in the art without departing from the spirit and technical principles disclosed in the present invention are intended to be covered by the claims of the present invention.

Claims

1. A flame detector for displaying the detection range of an instrument, comprising an instrument body, wherein the instrument body is provided with a sensor array for receiving a flame signal; It is characterized by: The instrument body is provided with a laser marking mechanism, which comprises: a turntable positioning seat, the turntable positioning seat being fixedly mounted on the upper end of the instrument body; A turntable rotatably mounted on the upper end of the turntable positioning seat; An angle seat, the angle seat is fixedly mounted on the upper end of the turntable; the angle seat is provided with a center hole corresponding to the instrument detection center and a marking hole corresponding to the instrument detection edge; a first laser pen, which is installed in the center hole and is used to display the position of the instrument detection center; The second laser pen is installed in the marking hole, and the second laser pen arranged on the angle seat is driven by the rotating disk to draw a line in a circumferential direction to display the detection range of the instrument.

2. The flame detector with a display instrument detection range according to claim 1, characterized in that: A track is provided on the upper end of the turntable positioning seat. Steel balls are rolled in the track. The turntable is pressed against the steel balls, and the steel balls and the track provide precise guidance for the circular motion of the turntable.

3. The flame detector with a display instrument detection range according to claim 2, characterized in that: The turntable is provided with a through hole, through which a hexagon socket set screw is passed; the hexagon socket set screw is connected to a compression spring, and the lower end of the compression spring presses against the steel ball.

4. The flame detector with a display instrument detection range according to claim 1, characterized in that: There are two marking holes, which correspond to instrument detection edges in different ranges respectively.

5. The flame detector with a display instrument detection range according to claim 1, characterized in that: A flat head screw is passed through between the turntable and the turntable positioning seat, and a sleeve is provided in the area where the flat head screw passes through the turntable.

6. The flame detector with a display instrument detection range according to claim 1, characterized in that: The angle seat and the turntable are detachably connected by fastening screws.

7. The flame detector with a display instrument detection range according to claim 1, characterized in that: The edge of the turntable positioning seat is covered on the outer side of the upper end of the instrument body, and a detachable locking screw is connected from the outside between the edge of the turntable positioning seat and the outer side of the upper end of the instrument body.

Images