Household laser methane alarm and use method thereof

Abstract

The invention discloses a household laser methane alarm and a use method thereof.The household laser methane alarm comprises a first lower shell, a first upper shell, a first control panel and a first laser detection module, the first upper shell is arranged at the upper end of the first lower shell, and a first mounting cavity is defined by the first lower shell and the first upper shell; the first control panel is arranged in the first mounting cavity, the first laser detection module comprises a first detection bin, a first transmitting sensor and a first receiving sensor, the first detection bin is arranged at the upper end of the first control panel, and the first transmitting sensor and the first receiving sensor correspond to the first detection bin; and a first dust removal mechanism is arranged in the first mounting cavity. According to the household laser methane alarm and the using method thereof, air is sucked in through the first vent holes, dust and the like are filtered through the first dust collecting groove and the first dust collecting box, it is prevented that detection of methane by the first transmitting sensor and the first receiving receiver is affected, and safety is improved.

Description

Technical Field

[0001] This invention belongs to the field of methane detection, specifically relating to a household laser methane alarm and its usage method. Background Technology

[0002] A laser methane detector is an instrument used to detect the concentration of methane gas in the environment. It utilizes laser technology to achieve highly sensitive and accurate methane detection. It detects methane concentration by exploiting the absorption characteristics of methane molecules at specific wavelengths of laser light. The laser emitted by the detector passes through the gas environment; because methane molecules absorb the laser light at specific wavelengths, the intensity of the transmitted laser light changes. By detecting this intensity change, the concentration of methane gas can be accurately calculated. However, current methane detectors are prone to dust accumulation, which may affect the efficiency of laser detection. If detection efficiency cannot be guaranteed, safety cannot be assured. Summary of the Invention

[0003] To address the shortcomings of existing technologies, this invention provides a household laser methane alarm and its usage method.

[0004] To achieve the above objectives, the present invention provides the following technical solution: A household laser methane alarm includes a first lower shell, a first upper shell, a first control board, and a first laser detection module. The first upper shell is disposed above the first lower shell, and the first lower shell and the first upper shell enclose a first mounting cavity. The first control board is disposed within the first mounting cavity, and the first laser detection module is disposed above the first control board. The first laser detection module includes a first detection chamber, a first transmitting sensor, and a first receiving sensor. The first detection chamber is disposed above the first control board, and the first transmitting sensor and the first receiving sensor are disposed on the first control board. The first transmitting sensor and the first receiving sensor correspond to the first detection chamber. A first dust removal mechanism is provided within the first mounting cavity.

[0005] Furthermore, a first partition is provided in the middle of the first detection chamber, a first reflective part is provided at the left end of the first detection chamber, the first reflective part is set at a right angle perpendicular to the first control plate, the bent part of the first reflective part corresponds to the extension of the first partition, a second reflective part is provided at the right end of the first detection chamber, the second reflective part is set at a 45-degree angle to the lower right, the first transmitting sensor and the first receiving sensor are located below the second reflective part, the first transmitting sensor is set at the rear end of the first partition, and the first receiving sensor is set at the front end of the first partition.

[0006] Furthermore, the right end of the first detection chamber is provided with a first inlet, and the upper end of the first detection chamber is provided with a first opening. Both the first inlet and the first opening are used for the entry of detection gas into the first detection chamber.

[0007] Furthermore, the inner side of the first detection chamber is provided with a first electroplating layer, which is used to improve the reflectivity of the first detection chamber.

[0008] Furthermore, the lower end of the first detection chamber is provided with a plurality of first hooks, and the first circuit board is provided with a plurality of first hanging holes, with each of the first hooks corresponding to one of the first hanging holes.

[0009] Furthermore, the upper end of the first upper shell is provided with a plurality of first vent holes, the lower end of the first upper shell is provided with a first fastening edge, the upper end of the first lower shell is provided with a second fastening edge, the first fastening edge and the second fastening edge are matched, the lower end of the first upper shell is provided with a plurality of first connecting posts, the lower end of the first connecting posts is provided with a first mounting hole, and the lower end of the first lower shell is provided with a plurality of first through holes, the first through holes corresponding one-to-one with the first mounting holes.

[0010] Furthermore, the first control board is provided with a first heat sink, the upper end of the first heat sink is provided with a first grid strip, and the first emission sensor is disposed on the first heat sink.

[0011] Furthermore, the first dust removal mechanism includes a first suction pump, a first dust collection box, and a first dust collection trough. The first dust collection trough is located at both ends of the first lower shell and should be below the first vent hole. The first dust collection box is located in the middle of the first lower shell and is connected to the first dust collection trough. The first suction pump is located at the front end of the first dust collection box and is connected to the first dust collection box. The first dust collection box is provided with a first filter screen. The lower end of the first lower shell is provided with a first cover, and the first cover matches the first dust collection box.

[0012] A method for using a home laser methane alarm includes the following steps: Step S1: Set the first transmitting sensor and the first receiving sensor on the first control board, and fasten the first detection chamber to the upper end of the first control board. Place the first control board inside the first lower shell, fasten the first upper shell to the upper end of the first lower shell, and then fix them together using the first connecting post and the second connecting post. Step S2: Turn on the alarm and place it in environments with different concentrations of methane gas to check the accuracy of the alarm's detection effect. After confirming that it is accurate, place the alarm near the leak point for detection.

[0013] The present invention discloses a household laser methane alarm and its usage method. Compared with the prior art, its advantages are that it can draw in air through the first vent and filter dust through the first dust collection tank and the first dust collection box, so as to prevent it from affecting the detection of methane by the first transmitting sensor and the first receiving receiver, thereby improving safety. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure from one perspective provided by the present invention.

[0015] Figure 2 This is a structural schematic diagram from another perspective provided by the present invention.

[0016] Figure 3 This is a structural schematic diagram from an explosion perspective provided by the present invention.

[0017] Figure 4 This is a schematic diagram of the structure of the first upper shell provided by the present invention.

[0018] Figure 5 This is a schematic diagram of the structure of the first lower shell provided by the present invention.

[0019] Figure 6 This is a schematic diagram of the structure of the first control board provided by the present invention.

[0020] Figure 7 This is a schematic diagram of the structure of the first hanging hole provided by the present invention.

[0021] Figure 8 This is a schematic diagram of the structure of the first detection chamber provided by the present invention.

[0022] The reference numerals in the attached drawings include: 100, first detection chamber; 110, first reflector; 120, second reflector; 130, first partition; 140, first opening; 150, first through-hole; 160, first through-hole; 170, first hook; 200, first control board; 210, first hanging hole; 220, first transmitting sensor; 230, first receiving sensor; 240, first heat sink; 241, first grid strip; 250, second through-hole; 300, first upper shell; 310, first fastening edge; 320, first vent hole; 330, first connecting post; 331, first mounting hole; 400, first lower shell; 410, second fastening edge; 420, first dust collection trough; 430, first through-hole; 440, first dust collection box; 450, first vacuum pump. Detailed Implementation

[0023] This invention discloses a household laser methane alarm and its usage method. The specific implementation of this invention will be further described below with reference to preferred embodiments.

[0024] See attached diagram. Figure 1-8 , Figure 1 This is a schematic diagram of the structure from one perspective provided by the present invention. Figure 2 This is a structural schematic diagram from another perspective provided by the present invention. Figure 3 This is a structural schematic diagram from an explosion perspective provided by the present invention. Figure 4 This is a structural schematic diagram of the first upper shell 300 provided by the present invention. Figure 5 This is a structural schematic diagram of the first lower shell 400 provided by the present invention. Figure 6 This is a schematic diagram of the structure of the first control board 200 provided by the present invention. Figure 7 This is a schematic diagram of the structure of the first hanging hole 210 provided by the present invention. Figure 8 This is a schematic diagram of the structure of the first detection chamber 100 provided by the present invention.

[0025] Preferred embodiment.

[0026] This embodiment provides a household laser methane alarm, including a first lower shell 400, a first upper shell 300, a first control board 200, and a first laser detection module. The first upper shell 300 is disposed above the first lower shell 400, and the first lower shell 400 and the first upper shell 300 enclose a first mounting cavity. The first control board 200 is disposed within the first mounting cavity, and the first laser detection module is disposed above the first control board 200. The first laser detection module includes a first detection chamber 100, a first transmitting sensor 220, and a first receiving sensor 230. The first detection chamber 100 is disposed above the first control board 200, and the first transmitting sensor 220 and the first receiving sensor 230 are disposed on the first control board 200, corresponding to the first detection chamber 100. A first dust removal mechanism is provided within the first mounting cavity.

[0027] Furthermore, a first partition 130 is provided in the middle of the first detection chamber 100, and a first reflective part 110 is provided at the left end of the first detection chamber 100. The first reflective part 110 is arranged at a right angle perpendicular to the first control plate 200, and the bent part of the first reflective part 110 corresponds to the extension of the first partition 130. A second reflective part 120 is provided at the right end of the first detection chamber 100. The second reflective part 120 is arranged at a 45-degree angle to the lower right. The first transmitting sensor 220 and the first receiving sensor 230 are located below the second reflective part 120. The first transmitting sensor 220 is located at the rear end of the first partition 130, and the first receiving sensor 230 is located at the front end of the first partition 130.

[0028] Furthermore, the right end of the first detection chamber 100 is provided with a first inlet 150, and the upper end of the first detection chamber 100 is provided with a first opening 140. Both the first inlet 150 and the first opening 140 are used for the entry of the detection gas into the first detection chamber 100.

[0029] Furthermore, the inner side of the first detection chamber 100 is provided with a first electroplating layer, which is used to improve the reflectivity of the first detection chamber 100.

[0030] Furthermore, the lower end of the first detection chamber 100 is provided with a plurality of first hooks 170, and the first circuit board is provided with a plurality of first hanging holes 210, with the first hooks 170 corresponding one-to-one with the first hanging holes 210.

[0031] Furthermore, the upper end of the first upper shell 300 is provided with a plurality of first vent holes 320, the lower end of the first upper shell 300 is provided with a first fastening edge 310, the upper end of the first lower shell 400 is provided with a second fastening edge 410, the first fastening edge 310 and the second fastening edge 410 are matched, the lower end of the first upper shell 300 is provided with a plurality of first connecting posts 330, the lower end of the first connecting posts 330 is provided with a first mounting hole 331, and the lower end of the first lower shell 400 is provided with a plurality of first through holes 430, the first through holes 430 and the first mounting holes 331 are one-to-one correspondences.

[0032] Furthermore, the first control board 200 is provided with a first heat sink 240, the upper end of the first heat sink 240 is provided with a first grid strip 241, and the first emission sensor 220 is disposed on the first heat sink 240.

[0033] Furthermore, the first dust removal mechanism includes a first suction pump 450, a first dust collection box 440, and a first dust collection trough 420. The first dust collection trough 420 is disposed at both ends of the first lower shell 400 and is located below the first vent hole 320. The first dust collection box 440 is disposed in the middle of the first lower shell 400 and is connected to the first dust collection trough 420. The first suction pump 450 is disposed at the front end of the first dust collection box 440 and is connected to the first dust collection box 440. A first filter screen is provided inside the first dust collection box 440. A first cover is provided at the lower end of the first lower shell 400, and the first cover matches the first dust collection box 440.

[0034] A method for using a home laser methane alarm includes the following steps: Step S1: Set the first transmitting sensor 220 and the first receiving sensor 230 on the first control board 200, and fasten the first detection chamber 100 to the upper end of the first control board 200. Place the first control board 200 inside the first lower shell 400, fasten the first upper shell 300 to the upper end of the first lower shell 400, and then fix them together using the first connecting post 330 and the second connecting post. Step S2: Turn on the alarm and place it in environments with different concentrations of methane gas to check the accuracy of the alarm's detection effect. After confirming that it is accurate, place the alarm near the leak point for detection.

[0035] Working principle: The first transmitting sensor 220 emits a laser beam, which first passes behind the second reflecting part 120, and is then reflected by the second reflecting part 120 back to the rear of the first reflecting part 110. It is then reflected again by the rear of the first reflecting part 110 back to the front of the first reflecting part 110, then by the front of the first reflecting part 110 back to the front of the second reflecting part 120, and finally reflected by the front of the second reflecting part 120 back to the first receiving sensor 230. By analyzing the signal emitted by the first transmitting sensor 220 and the signal received by the first receiving sensor 230, the concentration of the detected gas is calculated to trigger an alarm.

[0036] The first control plate 200 is provided with several second through holes 250. The first control plate 200 is placed on the first connecting post 330 through the second through holes 250, and then the first upper shell 300 and the first lower shell 400 are fastened on. Fixing bolts are then passed through the first through holes 430 and the second through holes 250 to securely connect it to the first mounting hole 331, thereby fixing the first upper shell 300 and the first lower shell 400 together. The first vent 320 of the first upper shell 300 allows detection gas to enter the first mounting cavity for safety detection. Furthermore, the first air pump 450 draws air through the first dust collection box 440 and the first dust collection trough 420, allowing air to enter through the first vent 320 and pass through the first filter screen to filter out dust. The first filter screen can be replaced through the first cover.

[0037] It is worth mentioning that the technical features of the transmitting and receiving sensors involved in this patent application should be regarded as prior art. The specific structure, working principle, and possible control methods and spatial arrangement of these technical features can be adopted using conventional choices in the field, and should not be regarded as the inventive point of this patent. This patent will not be further elaborated in detail.

[0038] For those skilled in the art, modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this invention should be included within the protection scope of this invention.

Claims

1. A household laser methane alarm, characterized in that, The device includes a first lower shell (400), a first upper shell (300), a first control board (200), and a first laser detection module. The first upper shell (300) is located at the upper end of the first lower shell (400). The first lower shell (400) and the first upper shell (300) enclose a first mounting cavity. The first control board (200) is located inside the first mounting cavity. The first laser detection module is located at the upper end of the first control board (200). The first laser detection module includes a first detection chamber (100), a first transmitting sensor (220), and a first receiving sensor (230). The first detection chamber (100) is located at the upper end of the first control board (200). The first transmitting sensor (220) and the first receiving sensor (230) are located on the first control board (200). The first transmitting sensor (220) and the first receiving sensor (230) correspond to the first detection chamber (100). A first dust removal mechanism is provided inside the first mounting cavity.

2. The household laser methane alarm according to claim 1, characterized in that, The first detection chamber (100) has a first partition (130) in the middle. The first detection chamber (100) has a first reflective part (110) at the left end. The first reflective part (110) is set at a right angle perpendicular to the first control plate (200). The bent part of the first reflective part (110) corresponds to the extension of the first partition (130). The first detection chamber (100) has a second reflective part (120) at the right end. The second reflective part (120) is set at a 45-degree angle to the right and downward. The first transmitting sensor (220) and the first receiving sensor (230) are located below the second reflective part (120). The first transmitting sensor (220) is located at the rear end of the first partition (130), and the first receiving sensor (230) is located at the front end of the first partition (130).

3. The household laser methane alarm according to claim 2, characterized in that, The first detection chamber (100) has a first inlet (150) at its right end and a first opening (140) at its upper end. Both the first inlet (150) and the first opening (140) are used for the entry of the detection gas into the first detection chamber (100).

4. The household laser methane alarm according to claim 3, characterized in that, The inner side of the first detection chamber (100) is provided with a first electroplating layer, which is used to improve the reflectivity of the first detection chamber (100).

5. The household laser methane alarm according to claim 4, characterized in that, The lower end of the first detection chamber (100) is provided with a number of first hooks (170), and the first circuit board is provided with a number of first hanging holes (210). The first hooks (170) correspond one-to-one with the first hanging holes (210).

6. The household laser methane alarm according to claim 5, characterized in that, The upper end of the first upper shell (300) is provided with a plurality of first vent holes (320), the lower end of the first upper shell (300) is provided with a first fastening edge (310), the upper end of the first lower shell (400) is provided with a second fastening edge (410), the first fastening edge (310) and the second fastening edge (410) are matched, the lower end of the first upper shell (300) is provided with a plurality of first connecting posts (330), the lower end of the first connecting posts (330) is provided with a first mounting hole (331), the lower end of the first lower shell (400) is provided with a plurality of first through holes (430), the first through holes (430) correspond one-to-one with the first mounting holes (331).

7. The household laser methane alarm according to claim 6, characterized in that, The first control board (200) is provided with a first heat sink (240), the upper end of the first heat sink (240) is provided with a first grid strip (241), and the first emission sensor (220) is disposed on the first heat sink (240).

8. The household laser methane alarm according to claim 7, characterized in that, The first dust removal mechanism includes a first suction pump (450), a first dust collection box (440), and a first dust collection trough (420). The first dust collection trough (420) is located at both ends of the first lower shell (400) and is located below the first vent (320). The first dust collection box (440) is located in the middle of the first lower shell (400) and is connected to the first dust collection trough (420). The first suction pump (450) is located at the front end of the first dust collection box (440) and is connected to the first dust collection box (440). The first dust collection box (440) is provided with a first filter screen. The lower end of the first lower shell (400) is provided with a first cover, which matches the first dust collection box (440).

9. A method of using a household laser methane alarm according to any one of claims 1-8, characterized in that, Includes the following steps: Step S1: Set the first transmitting sensor (220) and the first receiving sensor (230) on the first control board (200), and fasten the first detection chamber (100) to the upper end of the first control board (200). Place the first control board (200) inside the first lower shell (400), fasten the first upper shell (300) to the upper end of the first lower shell (400), and then fix them together using the first connecting post (330) and the second connecting post. Step S2: Turn on the alarm and place it in environments with different concentrations of methane gas to check the accuracy of the alarm's detection effect. After confirming that it is accurate, place the alarm near the leak point for detection.

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