CN210294146U

CN210294146U - Portable gas detector

Info

Publication number: CN210294146U
Application number: CN201920824459.1U
Authority: CN
Inventors: 穆晶; 穆明
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-04-10
Anticipated expiration: 2029-06-03

Abstract

The utility model relates to a portable gas detector, belonging to the technical field of gas detection; the device specifically comprises a detection sphere, wherein an outer damping device is arranged at the outer end of the detection sphere, and a detection device and an emergency processing device are arranged in the detection sphere; the gas detection device is electrically connected with the emergency processing device through a data line, and the detection device controls the emergency processing device to be opened and closed; the problem that the existing gas collecting device is inconvenient to carry is solved; the utility model is provided with the detection sphere and the damping device at the outer end of the detection sphere; the portability of the device is guaranteed, and meanwhile, gas detection and sample collection can be carried out under different geographic environments.

Description

Portable gas detector

Technical Field

The utility model relates to a gaseous detection technology field especially relates to a portable gas detector.

Background

The gas detector is an instrument and meter tool for detecting gas leakage concentration, which comprises: portable gas detectors, hand-held gas detectors, stationary gas detectors, online gas detectors, and the like. Gas sensors are used to detect the types of gases present in the environment, and are sensors used to detect the composition and content of gases.

It is generally considered that the definition of the gas sensor is based on the classification of the detection object, that is, all sensors for detecting the components and concentrations of gas are called gas sensors, regardless of whether it is a physical method or a chemical method. For example, sensors that detect gas flow are not considered gas sensors, but thermal conductivity gas analyzers are among the important gas sensors, although they sometimes use a generally consistent detection principle;

the current gas detectors are generally fixed in position for regular or long-term detection, are inconvenient to carry, and cannot collect samples at different geographical positions.

Disclosure of Invention

The utility model overcomes above-mentioned prior art's is not enough, provides a portable gas detection appearance. The utility model is provided with the detection sphere and the damping device at the outer end of the detection sphere; the portability of the device is guaranteed, and meanwhile, gas detection and sample collection can be carried out under different geographic environments.

The technical scheme of the utility model:

a portable gas detector comprises a detection sphere, wherein an outer damping device is arranged at the outer end of the detection sphere, and a detection device and an emergency processing device are arranged in the detection sphere; the gas detection device is electrically connected with the emergency processing device through a data line, and the detection device controls the emergency processing device to be opened and closed;

the front end detection device comprises a group of detection boxes, two adjacent end faces of the detection boxes are provided with installation fixing plates, the detection boxes are arranged at positions to be detected through any group of installation fixing devices, a gas sampling device is arranged in the detection box body and communicated with a gas sample collecting pipe, a group of gas sensors are arranged in the gas sample collecting pipe, and the gas sensors are electrically connected with a rear end emergency processing device through data lines.

Furthermore, the emergency treatment device comprises a group of PLC processors, the input end of each PLC processor is connected with the gas sensor, the output end of each PLC processor is connected with a group of alarm devices, the output end of each PLC processor is also connected with a group of air pumps, a group of wide-mouth air inlet nozzles are arranged on the air inlet ends of the air pumps, the air pumps are arranged inside the detection ball bodies, the wide-mouth air inlet nozzles are communicated with the outside, the air outlet ends of the air pumps are communicated with a plurality of groups of gas collection balloons through metal pipes, when the detection ball bodies are not inflated, the gas collection balloons are arranged in mounting grooves machined in the detection ball bodies, and fixed paper seals are arranged at the outer ends of the mounting grooves; the PLC processor adopts V80 series PLC of Devison company; the control point is extended to 256 points; the gas sensor selects a VOC-PIDAH photoionization gas sensor produced by British ion company or an electrochemical sensor produced by British alpha company according to the requirement of gas detection.

Further, alarm device is a set of buzzer siren and a plurality of group and explodes the flashing light, it sets up to explode the flashing light detect the light trough of processing on the outer terminal surface of spheroid in, buzzer siren sets up inside detecting the spheroid.

Furthermore, the gas sampling device comprises a group of collecting motors, a main shaft of each collecting motor is fixedly connected with a group of driving wheels, the driving wheels are connected with a group of driven wheels through belts, the driven wheels are connected with a group of collecting fans through wheel shafts, the collecting fans are arranged at the end parts of the gas sample collecting pipes, the gas sensor is arranged in the gas sample collecting pipes, and a group of dehumidifying devices are further arranged at the front ends of the gas sensor.

Furthermore, the dehumidifying device comprises a set of dehumidifying frames, a filtering mesh enclosure is arranged in each dehumidifying frame, drying agents are filled in the filtering mesh enclosure, and a set of dehumidifying frame supporting plates are arranged in the gas sample collecting pipe.

Furthermore, a plurality of groups of micro air outlet holes are processed at the tail end of the gas sample collecting pipe.

Further, the gas sensor is an electrochemical gas sensor.

Further, outer damping device includes the outer shock attenuation casing of a plurality of groups, outer shock attenuation casing equidistant equipartition is in detect spheroid outer end, outer shock attenuation casing is the arc casing, outer shock attenuation casing pass through damping spring with detect spheroid fixed connection.

Furthermore, a storage battery is arranged in the detection sphere and is electrically connected with the detection device and the emergency processing device respectively.

The utility model discloses following beneficial effect has for prior art:

the utility model discloses a set up detection device and processing apparatus and work in parallel, after detection device detects that the gas in the region to be detected contains the target, the emergency treatment device of direct control rear end opens and closes, and the gas in the region to be detected is directly collected and is advanced the gas collection balloon, carries out sample collection to the gas, supplementary post processing work;

the gas sensor of the utility model is arranged inside the gas sample collecting pipe, and the front end of the gas sensor is also provided with a set of dehumidifying device; the dehumidifying device comprises a group of dehumidifying frames, a filtering mesh enclosure is arranged in each dehumidifying frame, drying agents are filled in the filtering mesh enclosure, and a group of dehumidifying frame supporting plates are arranged in the gas sample collecting pipe; the gas entering the gas sample collecting pipe is dehumidified by the dehumidifying device, and the moisture in the gas is removed to ensure the service life of the gas sensor, namely, the service life of the whole device is prolonged.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural diagram of the detecting device of the present invention;

fig. 3 is a control block diagram of the emergency processing apparatus of the present invention.

FIG. 1-detection sphere; 2-an external damping device; 11-a cartridge; 13-a gas sampling device; 14-a gas sample collection tube; 15-a gas sensor; 16-dehumidification device.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 to fig. 3, the portable gas detector disclosed in this embodiment includes a detection sphere 1, an outer end of the detection sphere 1 is provided with an outer damping device 2, and a detection device 3 and an emergency processing device 4 are disposed in the detection sphere 1; the gas detection device is electrically connected with the emergency processing device 4 through a data line, and the detection device 3 controls the emergency processing device 4 to be opened and closed;

the detection device 3 comprises a group of detection boxes 11, the detection boxes 11 are arranged inside the detection ball body 1 through fixing rods and communicated with the outside, the detection boxes 11 are arranged at positions to be detected through any group of installation fixing devices, a gas sampling device 13 is arranged in each detection box 11, the gas sampling device 13 is communicated with a gas sample collecting pipe 14, a group of gas sensors 15 are arranged in the gas sample collecting pipe 14, and the gas sensors 15 are electrically connected with the emergency processing device 4 through data lines.

Specifically, emergency treatment device 4 includes a set of PLC treater 21, PLC treater 21's input with gas sensor 15 connects, PLC treater 21's output is connected with a set of alarm device 22, PLC treater 21 output still is connected with a set of air pump 23 through timer 28, be provided with a set of wide-mouth suction nozzle 24 on the inlet end of air pump 23, the air pump sets up detect inside spheroid 1, wide-mouth suction nozzle and external intercommunication the end of giving vent to anger of air pump 23 passes through tubular metal resonator and a plurality of groups gas collection balloon 25, and when not aerifing, gas collection balloon 25 sets up in the mounting groove of processing on the detection spheroid 1, the mounting groove outer end is provided with fixed paper seal.

Specifically, alarm device 22 is a set of buzzer siren and a plurality of groups and explodes the flashing light, it sets up to explode the flashing light detect in the light trough of processing on the 1 outer terminal surface of spheroid, buzzer siren sets up inside detecting spheroid 1.

Specifically, the gas sampling device 13 includes a set of collecting motors 13-1, a main shaft of the collecting motors 13-1 is fixedly connected to a set of driving wheels 13-2, the driving wheels 13-2 are connected to a set of driven wheels 13-3 through belts, the driven wheels 13-3 are connected to a set of collecting fans 13-4 through wheel shafts, the collecting fans 13-4 are disposed at ends of the gas sample collecting pipe 14, the gas sensor 15 is disposed inside the gas sample collecting pipe 14, and a set of dehumidifying devices 16 is further disposed on the gas sensor 15.

Specifically, the dehumidifying device 16 comprises a set of dehumidifying frames 16-1, a filtering mesh enclosure 16-2 is arranged in the dehumidifying frames 16-1, a drying agent is filled in the filtering mesh enclosure 16-2, and a set of dehumidifying frame 16-1 supporting plates is arranged in the gas sample collecting pipe 14.

Specifically, a plurality of groups of micro air outlets 14-1 are processed at the tail end of the gas sample collection tube 14.

Specifically, the gas sensor 15 is an electrochemical gas sensor.

Specifically, outer damping device 2 includes the outer shock attenuation casing 26 of a plurality of groups, outer shock attenuation casing 26 equidistant equipartition is in detect 1 outer end of spheroid, outer shock attenuation casing 26 is the arc casing, outer shock attenuation casing 26 pass through damping spring 27 with detect 1 fixed connection of spheroid.

The utility model discloses a working process:

firstly, rolling a detection sphere 1 into a place suspected of containing gas in an area to be detected, arranging an outer damping device at the outer end of the detection sphere to reduce the damage of internal working elements, meanwhile, arranging a collecting motor 13-1 with lower rotating speed in the detection sphere to drive a mobile phone fan 13-4 to rotate slowly, continuously sending the gas around the device into a gas sample collecting pipe 14, dehumidifying the gas entering the gas sample collecting pipe by a dehumidifying device, removing water in the gas to ensure the service life of a gas sensor, namely prolonging the service life of the whole device; the gas after dehumidification through dehydrating unit is detected by gas sensor 15 whether to contain the gas of waiting to detect the region and detect its concentration, in case surpass the default, gas sensor 15 gives PLC processor 21 with signal transmission, and PLC processor 21 controls air pump 23 and opens and collect the gas balloon around the device, and PLC is connected with the timer, sets up the timing time through the minimum tolerance of gas balloon, guarantees that the gas balloon can not break through.

The utility model discloses the connection that mentions divide into fixed connection and dismantlement connection, fixed connection is for the conventional fixed connection mode such as undetachable connection including but not limited to hem connection, rivet connection, adhesive connection and welded connection, can dismantle the connection including but not limited to conventional dismantlement modes such as threaded connection, buckle connection, pin joint and hinged joint, when not clearly prescribing a limit to concrete connection mode, acquiesces to always can find at least one kind of connected mode in current connected mode and can realize this function, and the technical staff in the art can select by oneself as required. For example: the fixed connection selects welding connection, and the detachable connection selects hinge connection.

The above embodiments are merely illustrative of the present patent and do not limit the scope of the patent, and those skilled in the art can make modifications to the parts thereof without departing from the spirit and scope of the patent.

Claims

1. A portable gas detector, its characterized in that: the device comprises a detection sphere (1), wherein an outer damping device (2) is arranged at the outer end of the detection sphere (1), and a detection device (3) and an emergency processing device (4) are arranged in the detection sphere (1); the detection device (3) is electrically connected with the emergency processing device (4) through a data line, and the detection device (3) controls the emergency processing device (4) to be opened and closed;

the detection device (3) comprises a group of detection boxes (11), the detection boxes (11) are arranged inside the detection ball body (1) and communicated with the outside through fixing rods, the detection boxes (11) are arranged at positions to be detected, a gas sampling device (13) is arranged in the detection boxes (11), the gas sampling device (13) is communicated with a gas sample collection pipe (14), a group of gas sensors (15) are arranged in the gas sample collection pipe (14), and the gas sensors (15) are electrically connected with the emergency processing device (4) through data lines.

2. A portable gas detector according to claim 1, characterized in that the emergency processing means (4) comprises a set of PLC processors (21), the input end of the PLC processor (21) is connected with the gas sensor (15), the output end of the PLC processor (21) is connected with a group of alarm devices (22), the output end of the PLC processor (21) is also connected with a group of air pumps (23) through a timer, a group of wide-mouth air inlet nozzles (24) are arranged on the air inlet end of the air pump (23), the air pump is arranged inside the detection sphere (1), the wide-mouth air inlet nozzle is communicated with the outside, the air outlet end of the air pump (23) is communicated with a plurality of groups of air collecting balloons (25) through metal pipes, when the air pump is not inflated, the gas collection balloon (25) is arranged in a mounting groove machined in the detection sphere (1), and a fixed paper seal is arranged at the outer end of the mounting groove.

3. A portable gas detector according to claim 2, characterised in that the alarm means (22) is a set of buzzer alarms and a plurality of sets of flashing lights, the flashing lights are arranged in light grooves machined on the outer end face of the detection sphere (1), and the buzzer alarms are arranged inside the detection sphere (1).

4. A portable gas detector according to claim 1, characterized in that the gas sampling device (13) comprises a set of collection motors (13-1), the main shaft of the collection motor (13-1) is fixedly connected with a set of driving wheels (13-2), the driving wheels (13-2) are connected with a set of driven wheels (13-3) through belts, the driven wheels (13-3) are connected with a set of collection fans (13-4) through wheel shafts, the collection fans (13-4) are arranged at the end of the gas sample collection tube (14), the gas sensor (15) is arranged inside the gas sample collection tube (14), and a set of dehumidification devices (16) is arranged on the gas sensor (15).

5. The portable gas detector according to claim 4, wherein the dehumidifying device (16) comprises a set of dehumidifying frames (16-1), a filtering mesh enclosure (16-2) is disposed in the dehumidifying frame (16-1), the filtering mesh enclosure (16-2) is filled with a desiccant, and a set of dehumidifying frame (16-1) support plates is disposed in the gas sample collecting pipe (14).

6. The portable gas detector according to claim 1, wherein the gas sample collection tube (14) is formed with a plurality of sets of micro gas holes (14-1) at the rear end thereof.

7. A portable gas detector according to claim 1, characterised in that the gas sensor (15) is an electrochemical gas sensor.

8. The portable gas detector according to claim 1, wherein the outer damping device (2) comprises a plurality of sets of outer damping shells (26), the outer damping shells (26) are uniformly distributed at the outer end of the detection sphere (1) at equal intervals, the outer damping shells (26) are arc-shaped shells, and the outer damping shells (26) are fixedly connected with the detection sphere (1) through damping springs (27).