Gas inductive sensor with explosion-proof mechanism

Abstract

The utility model belongs to the field of gas detection, and particularly relates to a gas inductive sensor with an explosion-proof mechanism, which comprises a gas detector, the front surface of the gas detector is provided with a display screen, and the top of the gas detector is provided with a communication device and an audible and visual alarm; a detection part of a gas detector is improved, an explosion-proof mechanism is arranged at a shell mechanism of an electronic component, an original single-layer shell is changed into a double-layer shell, a gap for isolating air is additionally arranged while the inner shell and the outer shell are arranged in a sleeved mode, gas is physically isolated through filling of inert gas, and the safety of the gas detector is improved. The problem of detonation inducement caused by electric sparks emitted by electronic elements is solved. The sealing ring sleeve matched with the ventilation end pipe is arranged on the outer side of the ventilation end pipe, the two ends of the sealing ring sleeve are embedded into the open grooves of the inner shell and the outer shell, when the gap between the inner shell and the outer shell is filled with inert gas, the gas presses down the sealing ring sleeve, the upper contact face and the lower contact face of the sealing ring sleeve are further sealed, and the dust isolation performance is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of gas detection, specifically relates to a gas response sensor with explosion -proof mechanism. BACKGROUND

[0002] The gas response sensor converts the physical or chemical change of gas into an electric signal, an optical signal or an acoustic signal by detecting the gas composition and concentration, thereby realizing the measurement of gas types and concentration, and is widely applied in the following fields:

[0003] Industry: used for monitoring harmful gas in factories to ensure the safety of working environment;

[0004] Environmental monitoring: detecting pollutants in the air to protect the environment;

[0005] Safety protection: detecting flammable or toxic gas to prevent explosion and poisoning accidents.

[0006] The explosion -proof design of the gas response sensor is particularly important when used in high -risk environments prone to fire and explosion, and the explosion inducements existing in the gas response sensor include: dust invasion inside causing short circuit, internal electrical components emitting electric sparks, and the gas response sensor itself lacks explosion -proof mechanism, which has safety hazards when used in high -temperature environments. SUMMARY

[0007] (I) Utility model purpose

[0008] To solve the technical problems in the background art, the utility model provides a gas response sensor with explosion -proof mechanism, which has the characteristics of sealing stability to prevent dust invasion and built -in explosion -proof mechanism.

[0009] (II) Technical scheme

[0010] To solve the above technical problems, the utility model provides a gas response sensor with explosion -proof mechanism, which comprises a gas detector, a display screen is installed on the front surface of the gas detector, and a communication device and an audible -visual alarm are arranged on the top of the gas detector;

[0011] The shell mechanism comprises an outer shell arranged at one end of the gas detector, an inner shell is arranged in the inner cavity of the outer shell, a gap is left between the two, and a partition plate is arranged on the upper part of the gap for separation;

[0012] The sensing mechanism comprises a sensor end seat penetrating through the lower part of the outer shell, a gas end pipe connected to the detection mechanism in the inner shell is arranged on the upper part of the sensor end seat, an interface ring seat attached to the opening of the outer shell is arranged on the outside of the sensor end seat, and a sealing ring sleeve contacting the outer shell and the inner shell is arranged on the outside of the gas end pipe;

[0013] The explosion-proof mechanism comprises a gas tank table arranged on one side of the outer shell, and a gas tank arranged in a cavity of the gas tank table, wherein a gas valve is arranged on the upper portion of the gas tank, and a gas pipe penetrating into the gap between the outer shell and the inner shell is arranged on the output end of the gas valve.

[0014] Preferably, the cross section of the sealing ring is "U-shaped", and the two ends of the sealing ring are embedded in the grooves of the outer shell and the inner shell.

[0015] Preferably, the inert gas stored in the gas tank is input into the gap between the outer shell and the inner shell through the gas pipe.

[0016] Preferably, the plug-in position of the sensor end seat and the outer shell is sealed by an interface ring seat.

[0017] Preferably, the gas detector is connected to a wireless network through the communication device, and is wirelessly connected to an external monitoring terminal.

[0018] Preferably, the sound-light alarm is mounted on the top of the gas detector through a support.

[0019] The above technical scheme of the utility model has the following beneficial technical effects:

[0020] 1. The detection part of the gas detector is improved, an explosion-proof mechanism is arranged at the shell mechanism of the electronic element, the original single-layer shell is arranged as a double-layer shell, the inner and outer shells are sleeved, a gap for isolating air is additionally arranged, the inert gas is filled to physically isolate the air, and the problem of explosion caused by the electric spark of the electronic element is solved.

[0021] 2. A sealing ring is arranged outside the air pipe, the two ends of the sealing ring are embedded in the grooves of the inner and outer shells, when the inert gas is filled into the gap between the inner and outer shells, the gas presses the sealing ring downward, the upper and lower contact surfaces of the sealing ring are further sealed, and the dust isolation performance is improved. DRAWINGS

[0022] Fig. 1 It is a structural schematic view of the utility model;

[0023] Fig. 2 It is a sectional structure schematic view of the utility model;

[0024] Fig. 3 It is a separation structure schematic view of the utility model.

[0025] REFERENCE SIGNS

[0026] 1. Gas detector; 2. Display screen; 3. Communication device; 4. Sound and light alarm; 41. Bracket; 51. Outer shell; 52. Inner shell; 53. Partition; 61. Sensor end seat; 62. Ventilation end pipe; 63. Interface ring seat; 64. Sealing ring sleeve; 71. Gas tank platform; 72. Gas tank; 73. Gas valve; 74. Gas pipe. DETAILED DESCRIPTION

[0027] To make the objectives, technical solutions, and advantages of the present invention more clearly understood, the present invention is further described below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are merely illustrative and are not intended to limit the scope of the present invention. Furthermore, descriptions of known structures and technologies are omitted in the following description to avoid unnecessary confusion regarding the concepts of the present invention.

[0028] like Figs. 1-3 As shown, the utility model proposes a gas induction sensor with an explosion-proof mechanism, comprising a gas detector 1, a display screen 2 being installed on the front surface of the gas detector 1, and a communication device 3 and an audible and visual alarm 4 being arranged on the top;

[0029] The housing structure includes an outer housing 51 provided at one end of the gas detector 1. An inner housing 52 is provided in the inner cavity of the outer housing 51, with a gap left between the two. A partition 53 is provided above the gap for separation.

[0030] The sensing mechanism includes a sensor end seat 61 that passes through the lower portion of the outer shell 51. A vent pipe 62 at the upper portion of the sensor end seat 61 is connected to a detection mechanism within the inner shell 52. The outer portion of the sensor end seat 61 is sheathed with an interface ring seat 63 that adheres to the opening of the outer shell 51. The outer portion of the vent pipe 62 is sheathed with a sealing ring sleeve 64 that contacts the outer shell 51 and the inner shell 52.

[0031] The explosion-proof mechanism includes a gas tank platform 71 and a gas tank 72 arranged on one side of the outer shell 51. The gas tank 72 is placed in the cavity of the gas tank platform 71. An air valve 73 is installed on the upper part of the gas tank 72. The output end of the air valve 73 is installed with an air pipe 74 that penetrates the gap between the outer shell 51 and the inner shell 52.

[0032] It should be noted that the inert gas stored in the gas tank 72 is input into the gap between the outer shell 51 and the inner shell 52 through the gas pipe 74; the gas valve 73 is opened to open the gas channel in the gap between the gas tank 72 and the outer shell 51 and the inner shell 52, and the inert gas is transported to the space between the outer shell 51 and the inner shell 52. The filling of the inert gas can reduce the content of oxygen and other combustible gases and prevent internal explosion.

[0033] In the embodiment, the detection part of the gas detector 1 is improved, the explosion-proof mechanism is arranged at the shell mechanism where the electronic element is arranged, the original single-layer shell is arranged as double-layer shell, the inner shell and the outer shell are sleeved, the gap for isolating air is additionally arranged, the inert gas is filled through the gas pipe 74, the explosion-proof design is realized through the physical isolation of the gas, and the problem of explosion inducement caused by the electric spark emitted by the electronic element is solved.

[0034] In order to realize the preliminary sealing of the interface of the sensor end seat 61, further, the plug-in position of the sensor end seat 61 and the outer shell 51 is sealed through the interface ring seat 63.

[0035] In another embodiment, the matched sealing ring sleeve 64 is arranged outside the ventilation end pipe 62, the section of the sealing ring sleeve 64 is a "U-shaped" structure, the two end portions of the sealing ring sleeve 64 are embedded into the slotted portions of the outer shell 51 and the inner shell 52, when the inert gas is filled into the gap between the inner shell and the outer shell, the gas exerts a downward pressure on the sealing ring sleeve 64, the upper and lower contact surfaces of the sealing ring sleeve 64 are further sealed, the dust isolation performance is improved, and the detection part and the inert gas part are separated.

[0036] In order to facilitate the interaction between the gas detector 1 and the monitoring terminal, further, the gas detector 1 is connected to the wireless network through the communication device 3 and is wirelessly connected to the external monitoring terminal.

[0037] In order to stably install the sound-light alarm 4, further, the sound-light alarm 4 is installed on the top of the gas detector 1 through the support 41.

[0038] It should be understood that the above specific embodiments of the utility model are only used for example or explanation of the principle of the utility model, and do not constitute the limitation of the utility model. Therefore, any modification, equivalent replacement, improvement, etc. made without deviating from the spirit and scope of the utility model shall be included in the protection scope of the utility model. In addition, the appended claims of the utility model aim to cover all changes and modification examples falling into the scope and boundary of the appended claims or the equivalent forms of such scope and boundary.

Claims

1. A gas sensing sensor having an explosion-proof mechanism, characterized by comprising: The gas detector (1) is provided with a display screen (2) on the front surface and a communication device (3) and an audible and light alarm (4) on the top; The shell mechanism includes an outer shell (51) provided at one end of the gas detector (1), and an inner shell (52) provided in the inner cavity of the outer shell (51), with a gap between the two, and a partition (53) provided at the upper part of the gap for separation; The sensing mechanism includes a sensor end seat (61) penetrating the lower part of the outer shell (51), and a ventilation end pipe (62) connected to the detection mechanism in the inner shell (52) at the upper part of the sensor end seat (61), and an interface ring seat (63) attached to the opening of the outer shell (51) is provided outside the sensor end seat (61), and a sealing ring sleeve (64) contacting the outer shell (51) and the inner shell (52) is provided outside the ventilation end pipe (62); The explosion-proof mechanism includes a gas tank table (71) and a gas tank (72) provided on one side of the outer shell (51), the gas tank (72) is placed in the cavity of the gas tank table (71), the gas valve (73) is installed on the upper part of the gas tank (72), and the gas pipe (74) penetrating the gap between the outer shell (51) and the inner shell (52) is installed at the output end of the gas valve (73).

2. A gas sensing sensor having an explosion-proof mechanism according to claim 1, characterized by The cross section of the sealing ring sleeve (64) is "U-shaped", and the two ends of the sealing ring sleeve (64) are embedded in the grooves of the outer shell (51) and the inner shell (52).

3. The gas sensor with an explosion-proof mechanism according to claim 1, wherein The inert gas stored in the gas tank (72) is input into the gap between the outer shell (51) and the inner shell (52) through the gas pipe (74).

4. The gas sensor with an explosion-proof mechanism according to claim 1, wherein The plug-in position of the sensor end seat (61) and the outer shell (51) is sealed by the interface ring seat (63).

5. The gas sensor with an explosion-proof mechanism according to claim 1, wherein The gas detector (1) is connected to the wireless network through the communication device (3) and wirelessly communicates with the external monitoring terminal.

6. The gas sensor with an explosion-proof mechanism according to claim 1, wherein The audible and light alarm (4) is installed on the top of the gas detector (1) through the support (41).

Images