CN212255261U - Combustible gas detection device based on loRa - Google Patents

Abstract

The utility model discloses a combustible gas detection device based on loRa relates to gaseous detection technical field, including detecting instrument, detecting instrument's inside is provided with the loRa module, detecting instrument's bottom is provided with the intake pipe, detecting instrument's left side fixedly connected with fixing device, fixing device's inside is provided with horizontal jack catch, the inside sliding connection of center slide rail has central support, the inside fixed mounting of central support has the pivot, the bottom fixedly connected with lower carriage of central support, vertical jack catch under the top fixedly connected with of lower carriage, fixing device's inside is provided with the rotation base, it is connected with short connecting rod to rotate the base. The fixing device of the mechanical structure is simple in structure and large in clamping force, so that the clamping stability during gas detection is effectively guaranteed, the fixing device can be taken down conveniently, and the fixing device is very difficult to obtain and convenient for detection of frequent change of the detection position.

Description

Combustible gas detection device based on loRa

Technical Field

The utility model relates to a gaseous detection technology field specifically is a combustible gas detection device based on loRa.

Background

The combustible gas detection device is a detector which responds to the concentration of single or multiple combustible gases, the combustible gas detection device has two types of a catalytic type and an infrared optical type, the catalytic type combustible gas detection device measures the concentration of combustible gas by using the resistance change after heating refractory metal platinum wires, when the combustible gas enters the detection device, oxidation reaction (flameless combustion) is caused on the surface of the platinum wire, the temperature of the platinum wire is increased by the heat generated by the infrared sensor, the resistivity of the platinum wire changes, the infrared optical type is used for detecting hydrocarbon combustible gas in the field environment by using an infrared sensor through the absorption principle of an infrared light source, LoRa is a low-power consumption local area network wireless standard created by semtech company, the low power consumption is generally difficult to cover a long distance, the long distance is generally high in power consumption, and a horse can run far without eating grass, so that the horse seems to be difficult to work. The Long Range Radio (Long Range Radio) is named as the Long Range Radio, and has the greatest characteristic that the Long Range Radio is longer than the propagation distance of other Radio modes under the same power consumption condition, the unification of low power consumption and Long Range is realized, and the Long Range Radio is 3-5 times longer than the traditional Radio frequency communication distance under the same power consumption condition.

Combustible gas detection device on the existing market is mostly the wall-hanging type, generally adopts bolt threaded connection fixed mounting on the wall, however the mode of this kind of screw thread installation is not suitable for the condition that needs often to remove detection device to different test sites, and is very inconvenient to detection achievement.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art not enough, the utility model provides a combustible gas detection device based on loRa to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a combustible gas detection device based on LoRa comprises a detection instrument, wherein a LoRa module is arranged inside the detection instrument, an air inlet pipe is arranged at the bottom of the detection instrument, and a fixing device is fixedly connected to the left side of the detection instrument; the fixing device comprises an installation hole site, a central slide rail is arranged inside the fixing device, a side bracket slide rail is arranged inside the fixing device, a transverse clamping jaw is arranged inside the fixing device, buffer rubber is arranged on the outer wall of the transverse clamping jaw, a central support is slidably connected inside the central slide rail, a rotating shaft is fixedly arranged inside the central support, a lower support is fixedly connected to the bottom of the central support, a lower vertical clamping jaw is fixedly connected to the top of the lower support, a rotating base is arranged inside the fixing device, the rotating base is rotatably connected with a short connecting rod, the short connecting rod is rotatably connected with a rotating handle, a side bracket is rotatably connected to one side of the rotating handle, a rotating shaft is rotatably connected to the other side of the rotating handle, an upper vertical clamping jaw is fixedly connected to the bottom of the side bracket, and a wall surface is arranged on the left, the inside fixedly connected with erection column of wall.

Preferably, the number of the mounting columns is two, and the material of the mounting columns is stainless steel.

Preferably, the bottom of the lower vertical clamping jaw is sleeved with a first spring, the top of the upper vertical clamping jaw is sleeved with a second spring, the first spring and the second spring are compression springs, the number of the first spring and the number of the second spring are two, and the first spring and the second spring are symmetrically distributed by taking the central support as a symmetry axis.

Preferably, the top of the central support is fixedly connected with a button, and the outside of the button is wrapped by a rubber material.

Preferably, the number of the side brackets and the number of the lower brackets are two, and the side brackets and the lower brackets are symmetrically distributed by taking the central bracket as a symmetry axis.

Preferably, the size of the upper vertical clamping jaw is the same as that of the lower vertical clamping jaw, and damping rubber is wrapped outside the upper vertical clamping jaw and the lower vertical clamping jaw.

(III) advantageous effects

The utility model provides a combustible gas detection device based on loRa. The method has the following beneficial effects:

(1) this kind of combustible gas detection device based on loRa has been at detecting instrument's left side fixed connection fixing device, this kind of mechanical structure's fixing device simple structure, easy maintenance, and the clamp force is big to effectively guarantee the centre gripping stability of gas detection time measuring.

(2) This kind of combustible gas detection device based on loRa passes through the fixing device that detecting instrument left side set up for detecting instrument can be very convenient installs, when needs take off detecting instrument, can very convenient taking off again, and it is very difficult for very convenient to detect the detection of the frequent change in detection position.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an installation schematic diagram of the present invention.

In the figure: the device comprises a detection instrument 1, an air inlet pipe 2, a fixing device 3, a mounting hole position 31, a central sliding rail 32, a side support sliding rail 33, a transverse claw 34, buffer rubber 35, a central support 36, a lower support 37, a lower vertical claw 38, a first spring 39, a rotating base 310, a short connecting rod 311, a rotating handle 312, a rotating shaft 313, a side support 314, an upper vertical claw 315, a second spring 316, a button 317, a wall surface 4 and a mounting column 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a combustible gas detection device based on LoRa comprises a detection instrument, a LoRa module 101 is arranged inside the detection instrument 1, an air inlet pipe 2 is arranged at the bottom of the detection instrument 1, and a fixing device 3 is fixedly connected to the left side of the detection instrument 1; the fixing device 3 comprises a mounting hole position 31, a central slide rail 32 is arranged inside the fixing device 3, a side support slide rail 33 is arranged inside the fixing device 3, a transverse clamping jaw 34 is arranged inside the fixing device 3, buffer rubber 35 is arranged on the outer wall of the transverse clamping jaw 34, a central support 36 is connected inside the central slide rail 32 in a sliding manner, a button 317 is fixedly connected to the top of the central support 36, rubber materials are wrapped outside the button 317, a rotating shaft 313 is fixedly mounted inside the central support, a lower support 37 is fixedly connected to the bottom of the central support 36, a lower vertical clamping jaw 38 is fixedly connected to the top of the lower support 37, a first spring 39 is sleeved at the bottom of the lower vertical clamping jaw 38, a rotating base 310 is arranged inside the fixing device 3, a short connecting rod 311 is rotatably connected to the rotating base 310, a rotating handle 312 is rotatably connected to the short connecting rod 311, and a, the quantity of collateral branch support 314 and lower carriage 37 is two, and all use central support 36 to distribute as symmetry axis symmetry, the opposite side of turning handle 312 is rotated and is connected with pivot 313, vertical jack catch 315 in the bottom fixedly connected with of collateral branch support 314, it is the same with lower vertical jack catch 38 size to go up vertical jack catch 315, and both outsides have wrapped up yielding rubber, the top of going up vertical jack catch 315 has cup jointed No. two spring 316, a spring 39 and No. two spring 316 are compression spring, the quantity of a spring 39 and No. two spring 316 is two, and all use central support 36 to distribute as symmetry axis symmetry, the left side of detecting instrument 1 is provided with wall 4, the inside fixedly connected with erection column 5 of wall 4, the quantity of erection column 5 is two, and the material of erection column 5 is the stainless steel.

When the device is in work (or in use), the button 317 is pressed, the central support 36 moves downwards to drive the two rotating handles 312 to rotate upwards, the rotating handles 312 drive the side supports 314 on the two sides to move upwards to tension the second spring 316 so as to enable the upper vertical clamping jaw 315 to move upwards, meanwhile, the two lower supports 37 move downwards to tension the first spring 39 so as to enable the two lower vertical clamping jaws 38 to move downwards, the mounting hole position 31 is enlarged, the fixing device 3 is sleeved on the mounting post 5 on the wall surface 4, the button 317 is loosened, due to the elastic force of the first spring 39 and the second spring 316, the lower vertical clamping jaw 38 and the upper vertical clamping jaw 315 reset to clamp the mounting post 5 to play a fixing role, when combustible gas is required to be detected at a plurality of places frequently, the mounting post 5 can be mounted at the place needing to be detected, then the fixing device 3 is mounted on different mounting posts 5 only by pressing and loosening the button 317, the aim of installation and detection at various places can be achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a combustible gas detection device based on loRa, includes detecting instrument (1), its characterized in that: a LoRa module (101) is arranged inside the detection instrument (1), an air inlet pipe (2) is arranged at the bottom of the detection instrument (1), and a fixing device (3) is fixedly connected to the left side of the detection instrument (1);

the fixing device (3) comprises a mounting hole position (31), a central sliding rail (32) is arranged inside the fixing device (3), a side support sliding rail (33) is arranged inside the fixing device (3), a transverse clamping jaw (34) is arranged inside the fixing device (3), buffer rubber (35) is arranged on the outer wall of the transverse clamping jaw (34), a central support (36) is connected inside the central sliding rail (32) in a sliding mode, a rotating shaft (313) is fixedly arranged inside the central support, a lower support (37) is fixedly connected to the bottom of the central support (36), a lower vertical clamping jaw (38) is fixedly connected to the top of the lower support (37), a rotating base (310) is arranged inside the fixing device (3), the rotating base (310) is rotatably connected with a short connecting rod (311), and the short connecting rod (311) is rotatably connected with a rotating handle (312), one side of turning handle (312) is rotated and is connected with collateral branch frame (314), the opposite side of turning handle (312) is rotated and is connected with pivot (313), vertical jack catch (315) are gone up to the bottom fixedly connected with of collateral branch frame (314), the left side of detecting instrument (1) is provided with wall (4), inside fixedly connected with erection column (5) of wall (4).

2. The combustible gas detection device based on LoRa of claim 1, characterized by: the number of the mounting columns (5) is two, and the mounting columns (5) are made of stainless steel.

3. The combustible gas detection device based on LoRa of claim 1, characterized by: no. one spring (39) is sleeved at the bottom of the lower vertical clamping jaw (38), No. two springs (316) are sleeved at the top of the upper vertical clamping jaw (315), the No. one spring (39) and the No. two springs (316) are compression springs, the number of the No. one spring (39) and the number of the No. two springs (316) are two, and the springs are symmetrically distributed by taking the central support (36) as a symmetry axis.

4. The combustible gas detection device based on LoRa of claim 1, characterized by: the top of the central support (36) is fixedly connected with a button (317), and the outside of the button (317) is wrapped with a rubber material.

5. The combustible gas detection device based on LoRa of claim 1, characterized by: the number of the side brackets (314) and the number of the lower brackets (37) are two, and the side brackets and the lower brackets are symmetrically distributed by taking the central bracket (36) as a symmetry axis.

6. The combustible gas detection device based on LoRa of claim 1, characterized by: go up vertical jack catch (315) and vertical jack catch (38) size the same down, and both outsides have all wrapped up yielding rubber.

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