Waterproof device for carbon monoxide sensor

Abstract

The utility model provides a carbon monoxide sensor waterproof device which comprises an extraction pipeline, a communicating pipe is arranged on the side edge of the extraction pipeline and communicated with the two ends of a protective pipe, dehumidizer is arranged in the protective pipe, and the protective pipe is communicated with a carbon monoxide sensor. The protection pipe is additionally arranged on the extraction pipeline and used for detecting the content of carbon monoxide in the extraction pipeline, the dehumidizer is arranged in the protection pipe to filter water vapor in the protection pipe, the water vapor is prevented from entering the carbon monoxide sensor, and the measurement accuracy and stability of the carbon monoxide sensor are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of gas sensor, concretely relates to a carbon monoxide sensor waterproof device. BACKGROUND

[0002] The carbon monoxide sensor is used for detecting the content of carbon monoxide in the pipeline, and is mostly used in coal mines, and needs to be connected with the underground extraction pipeline, since the underground extraction environment is high in temperature and humidity, and the extraction pipeline is long in layout distance and passes through high-temperature and relatively low-temperature regions, therefore, a large amount of water vapor is condensed in the extraction pipeline due to temperature difference, and when the water vapor enters the carbon monoxide sensor, the carbon monoxide sensor is prone to failure or even high-value false alarm, and the accuracy and stability of the carbon monoxide sensor cannot be guaranteed. SUMMARY

[0003] The utility model solves the technical problem of how to guarantee the accuracy and stability of the carbon monoxide sensor.

[0004] The utility model solves the above technical problem through the following technical scheme:

[0005] The utility model provides a carbon monoxide sensor waterproof device, including extraction pipeline, the side of extraction pipeline is provided with the both ends intercommunication of communication pipe and protective tube, the inside of protective tube is equipped with dehumidifier, and protective tube is connected with carbon monoxide sensor.

[0006] Beneficial effect: the utility model sets up protective tube on the extraction pipeline for detecting the carbon monoxide content in the extraction pipeline, and sets up dehumidifier in the protective tube to filter the water vapor in the protective tube, prevents the water vapor from entering the carbon monoxide sensor, and guarantees the accuracy and stability of the carbon monoxide sensor.

[0007] Preferably, the protective tube is internally provided with an installation cylinder for placing the dehumidifier, and a plurality of through holes are arranged at both ends of the installation cylinder.

[0008] Beneficial effect: the utility model places the dehumidifier in the installation cylinder, the gas enters the carbon monoxide sensor through the through holes of the installation cylinder, and the water vapor is retained by the dehumidifier, which prevents the dehumidifier from blocking the protective tube due to the flow of the gas and improves the use fluency of the protective tube.

[0009] Preferably, the side of the protective tube is provided with a first inlet and a first outlet of the dehumidifier, and the side of the installation cylinder is correspondingly provided with a second inlet and a second outlet.

[0010] Beneficial effect: the utility model adds the dehumidifier through the first inlet and the second inlet, removes the used dehumidifier through the second outlet and the first outlet, and better replaces the dehumidifier.

[0011] Preferably, the protective tube is internally provided with a positioning net capable of fixing the position of the installation cylinder.

[0012] Beneficial effects: the installation cylinder is fixed at each position by the positioning net, preventing the installation cylinder from moving during the gas flow process and blocking the gas inlet of the carbon monoxide sensor or the protective tube.

[0013] Preferably, the protective tube is further provided with a water outlet, which is close to the air inlet of the protective tube.

[0014] Beneficial effects: the filtered water vapor in the protective tube flows out through the water outlet.

[0015] Preferably, the protective tube comprises a horizontal pipe and a longitudinal bend pipe, the two ends of the horizontal pipe are connected with the longitudinal bend pipe through bolts respectively, the longitudinal bend pipe is connected with the communication pipe of the extraction pipeline, and the desiccant is placed inside the horizontal pipe.

[0016] Preferably, the longitudinal bend pipe is provided with a first mounting plate at one end, the longitudinal bend pipe is provided with a control valve, the communication pipe is provided with a second mounting plate, the first mounting plate and the second mounting plate are connected through bolts, and a sealing ring is fixed at the connection.

[0017] Beneficial effects: the protective tube and the extraction pipeline are connected through bolts, which is beneficial to the disassembly, maintenance and inspection of the protective tube in the later period.

[0018] Preferably, the carbon monoxide sensor is communicated with the protective tube through a buckle.

[0019] Preferably, the protective tube is provided with a first connecting block, the first connecting block is internally provided with a circular through hole and is communicated with the protective tube, a clamping spring is arranged inside the circular through hole, a first clamping groove and a second clamping groove are arranged outside the circular through hole, and the first clamping groove and the second clamping groove are connected in head-to-tail mode; the carbon monoxide sensor is provided with a second connecting block, the second connecting block is internally provided with a through hole and is provided with a first clamping block and a second clamping block outside the through hole, the first clamping block and the second clamping block are matched with the first clamping groove and the second clamping groove, and the second connecting block is provided with a rubber pad.

[0020] Preferably, the inner wall of the protective tube is provided with a sliding groove, the installation cylinder enters the inside of the protective tube through the sliding groove, the extraction pipeline is internally provided with a flow baffle, and the flow baffle is fixed at the end of the communication pipe.

[0021] Beneficial effects: the sliding groove is arranged on the inner wall of the protective tube, which is beneficial to the entry and exit of the installation cylinder in the protective tube, the flow baffle is arranged inside the extraction pipeline, which is beneficial to the entry of the gas in the extraction pipeline into the protective tube, and the detection of the carbon monoxide sensor is more accurate and stable. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1is a structure diagram of a waterproof device of a carbon monoxide sensor in the embodiment;

[0023] Figure 2 is a sectional view of a extraction pipeline and a protective tube in the embodiment;

[0024] Figure 3 is a structure diagram of the protective tube in the embodiment;

[0025] Figure 4 is a structure diagram of a mounting cylinder in the embodiment;

[0026] Figure 5 is a structure diagram of the carbon monoxide sensor and the protective tube in the embodiment. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are 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.

[0028] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. It needs to be explained that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" 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, or it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0029] According to Figures 1-5As shown, the embodiment provides a kind of carbon monoxide sensor waterproof device, including extraction pipeline 10, the side of extraction pipeline 10 is provided with the communication pipe 11 with the two ends of protective tube 20 communication, dehumidifier is arranged in the protective tube 20, the dehumidifier is used to absorb water vapor, water vapor is separated from gas, the protective tube 20 is communicated with carbon monoxide sensor 30, for detecting the content of carbon monoxide in pipeline, another protective tube 20 is additionally provided in the extraction pipeline 10 of the embodiment, carbon monoxide sensor 30 is communicated with protective tube 20, detects the carbon monoxide in protective tube 20, equivalent to detecting carbon monoxide in extraction pipeline 10, another protective tube 20 is arranged in the embodiment, and dehumidifier is arranged in protective tube 20, the dehumidifier is used to absorb water vapor, water vapor is separated from gas, prevent water vapor from entering carbon monoxide sensor, guarantee the accuracy and stability of carbon monoxide sensor measurement.

[0030] The protective tube 20 includes horizontal pipe 20a and longitudinal bend pipe 20b, as shown in the figure Figure 1 As shown, two longitudinal bend pipes 20b are provided, one end of the two longitudinal bend pipes 20b is connected with the extraction pipeline 10, and the other end is respectively connected with the two ends of the horizontal pipe 20a, the one end of the longitudinal bend pipe 20b and the two ends of the horizontal pipe 20a are both provided with a connecting ring (not marked in the figure), the one end of the longitudinal bend pipe 20b is connected with the horizontal pipe 20a through the connecting ring, and a bolt is used in particular.

[0031] The other end of the two longitudinal bend pipes 20b is provided with a first mounting plate 24, one end of the communication pipe 11 is provided with a second mounting plate 11a, the first mounting plate 24 of the longitudinal bend pipe 20b and the second mounting plate 11a of the communication pipe 11 are fixed through bolts, to realize the communication of the protective tube 20 and the extraction pipeline 10.

[0032] The two longitudinal bend pipes 20b are provided with a control valve 23, for controlling whether the gas of the extraction pipeline 10 passes through the protective tube 20, whether the carbon monoxide content of the extraction pipeline 10 needs to be detected.

[0033] The horizontal pipe 20a is provided with a mounting cylinder 26, the mounting cylinder 26 is used to place dehumidifier, the dehumidifier used in the embodiment is calcium chloride dehumidifier, which can also be other dehumidifiers, such as soda lime dehumidifier, which can be used to absorb water vapor, and can separate water vapor from gas, a plurality of through holes are arranged at the two ends of the mounting cylinder 26, the through holes can be used for gas to pass through, and the calcium chloride dehumidifier cannot pass through, the side of the mounting cylinder 26 is provided with a second inlet 261 and a second outlet 262, the second inlet 261 is used to add calcium chloride dehumidifier, and the second outlet 262 is used to remove the used calcium chloride dehumidifier.

[0034] The transverse pipe 20a is internally provided with a positioning net 24 for fixing the position of the installation cylinder 26, preventing the installation cylinder 26 from moving under the flow of gas, thereby blocking the transverse pipe 20a or the carbon monoxide sensor gas inlet, so that the gas cannot flow out of the transverse pipe 20a or the carbon monoxide sensor cannot accurately detect. The transverse pipe 20a is internally provided with a sliding groove 25, and the installation cylinder 26 can enter and exit the transverse pipe 20a along the sliding groove 25, so that it moves more smoothly.

[0035] The side of the transverse pipe 20a is provided with a first inlet 22a and a first outlet 22b. In this embodiment, the second inlet 261 of the installation cylinder 26 is coincidentally matched with the first inlet 22a of the transverse pipe 20a, which is arranged at the top of the transverse pipe 22a, facilitating the addition of calcium chloride desiccant. When it is not necessary to add, the first inlet 22a is covered with a sealing cover (not shown in the figure) to keep the transverse pipe 20a sealed. The second outlet 262 of the installation cylinder 26 is coincidentally matched with the first outlet 22b of the transverse pipe 20a, which is arranged at the bottom of the transverse pipe 22a, facilitating the leakage of used calcium chloride desiccant out of the transverse pipe 20a. When it is removed, the first outlet 22b is covered with a sealing cover to keep the transverse pipe 20a sealed, and then the installation cylinder 26 is rotated so that the first outlet 22b is staggered with the second outlet 262, preventing the added calcium chloride desiccant from leaking out.

[0036] The transverse pipe 20a is also provided with a water outlet 21, which is located near the gas inlet of the transverse pipe 20a and in front of the first outlet 22b. The purpose of arranging the water outlet 21 is to flow the filtered water vapor in the transverse pipe 20a out through the water outlet 21.

[0037] The carbon monoxide sensor 30 is connected to the transverse pipe 20a through buckling, as shown in the figure. Figure 5 The transverse pipe 20a is provided with a first connecting block 40, which is arranged at the other end away from the water outlet 21. The first connecting block 40 is internally provided with a circular through hole, one end of which is in communication with the transverse pipe 20a, and the other end is externally provided with a first clamping groove 42 and a second clamping groove 43. The first clamping groove 42 and the second clamping groove 43 are both arranged in two, and the first clamping groove 42 and the second clamping groove 43 are sequentially connected end to end.

[0038] The carbon monoxide sensor 30 is provided with a second connecting block 31, which is internally provided with a through hole 34 for gas to pass through. The first clamping block 32 and the second clamping block 33 are arranged on one end of the through hole 34. The first clamping block 32 is matched with the first clamping groove 42, and the second clamping block 33 is matched with the second clamping groove. Therefore, the first clamping block 32 and the second clamping block 33 are also arranged in two, and the first clamping block 32 and the second clamping block 33 are sequentially connected end to end.

[0039] The first clamping block 32 and the second clamping block 33 of the carbon monoxide sensor 30 are clamped inside the first clamping groove 42 and the second clamping groove 43, so that the carbon monoxide sensor 30 is buckled on the side of the horizontal pipe 20a.

[0040] As shown in the drawings, the gas flow direction of the extraction pipeline 10 is from left to right, and the baffle 12 is arranged at the connection position of the extraction pipeline 10 and the longitudinal bend pipe 20b. Figure 2 The baffle 12 is arranged at the left longitudinal bend pipe 20b connection position, and the baffle 12 is arranged on the extraction pipeline 10 in an inclined manner, and the included angle is 30-60℃. The purpose of arranging the baffle 12 is to make the gas in the extraction pipeline 10 flow into the protection pipe 20 more quickly, so that the data detected by the carbon monoxide sensor 30 is more accurate and stable.

[0041] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A carbon monoxide sensor waterproofing device comprising an extraction line (10), characterised in that, The communication pipe (11) is arranged at the side of the extraction pipe (10) and communicates with both ends of the protection pipe (20), the protection pipe (20) is internally provided with a dehumidifier, and the protection pipe (20) communicates with the carbon monoxide sensor (30).

2. The carbon monoxide sensor waterproofing device of claim 1, wherein, The protection pipe (20) is internally provided with the mounting cylinder (26) for placing the dehumidifier, and multiple through holes are arranged at both ends of the mounting cylinder (26).

3. The carbon monoxide sensor waterproofing device of claim 2, wherein, The side of the protection pipe (20) is provided with the first inlet (22a) and the first outlet (22b) of the dehumidifier, and the side of the mounting cylinder (26) is correspondingly provided with the second inlet (261) and the second outlet (262).

4. The carbon monoxide sensor waterproofing device of claim 2, wherein, The protection pipe (20) is internally provided with the positioning net (24) capable of fixing the position of the mounting cylinder (26).

5. The carbon monoxide sensor waterproofing device of claim 1, wherein, The protection pipe (20) is further provided with the water outlet (21), and the water outlet (21) is close to the position of the air inlet of the protection pipe (20).

6. The carbon monoxide sensor waterproofing device of claim 1, wherein, The protection pipe (20) comprises the horizontal pipe (20a) and the longitudinal bent pipe (20b), the two ends of the horizontal pipe (22a) are respectively connected with the longitudinal bent pipe (20b) through bolts, the longitudinal bent pipe (20b) is connected with the communication pipe (11) of the extraction pipe (10), and the dehumidifier is placed in the horizontal pipe (20a).

7. The carbon monoxide sensor waterproofing device of claim 6, wherein, One end of the longitudinal bent pipe (20b) is provided with the first mounting plate (24), the longitudinal bent pipe (20b) is provided with the control valve (23), the communication pipe (11) is provided with the second mounting plate (11a), the first mounting plate (24) is connected with the second mounting plate (11a) through bolts, and a sealing ring is fixed at the connection position.

8. The carbon monoxide sensor waterproofing device of claim 1, wherein, The carbon monoxide sensor (30) communicates with the protection pipe (20) through buckling.

9. The carbon monoxide sensor waterproofing device of claim 8, wherein, The protection pipe (20) is provided with the first connecting block (40), the first connecting block (40) is internally provided with a circular through hole and communicates with the protection pipe (20), the circular through hole is internally provided with the clamping spring (41), the outer side of the circular through hole is provided with the first clamping groove (42) and the second clamping groove (43), the first clamping groove (42) and the second clamping groove (43) are connected in a head-to-tail mode, the carbon monoxide sensor (30) is provided with the second connecting block (31), the second connecting block (31) is internally provided with the through hole (34), the outer side of the through hole (34) is provided with the first clamping block (32) and the second clamping block (33), the first clamping block (32) and the second clamping block (33) are matched with the first clamping groove (42) and the second clamping groove (43), and the second connecting block (31) is provided with the rubber pad.

10. The carbon monoxide sensor waterproofing device of claim 2, wherein, The inner wall of the protection pipe (20) is provided with the sliding groove (25), the mounting cylinder (26) enters the interior of the protection pipe (20) through the sliding groove (25), and the extraction pipe (10) is internally provided with the flow baffle (12) fixed at the end of the communication pipe (11).

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