CN219122139U

CN219122139U - Multi-gas detection and analysis device

Info

Publication number: CN219122139U
Application number: CN202222527228.9U
Authority: CN
Inventors: 陈杨; 沈兵; 韩可可
Original assignee: Shanghai Rolling Instrument Equipment Co ltd
Current assignee: Shanghai Rolling Instrument Equipment Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-06-02
Anticipated expiration: 2032-09-23

Abstract

The utility model discloses a multi-gas detection and analysis device, which belongs to the technical field of gas detection and comprises a body, wherein the body comprises a base, a stand column arranged at the top end of the base, a driving piece arranged at the top end of the stand column, a transmission piece in sliding connection with the driving piece, and a detection mechanism arranged at the top end of the transmission piece, wherein the driving piece is used for providing power for the body, the transmission piece is used for moving the detection mechanism, the detection mechanism is used for detecting gas, the driving piece provides power for the body, and then the detection mechanism can be transversely rotated while being vertically displaced through the transmission force of the transmission piece, so that the device can detect the gas conditions of different heights and directions in a room when measuring the gas, the accuracy of measurement data is improved, and the arrangement of a sealing piece can ensure that the gas cannot directly contact a circuit board, and the oxidation and corrosion of the gas to the circuit board are avoided.

Description

Multi-gas detection and analysis device

Technical Field

The utility model belongs to the technical field of gas detection, and particularly relates to a multi-gas detection analysis device.

Background

Some harmful gases are colorless and odorless, for example, the problems of gas leakage are usually involved in industries such as petroleum, chemical industry, coal mine, metallurgy, paper making, fire fighting, food and the like, so that the content of the gas in the air needs to be detected, various parameters and early warning information of the harmful gases are provided for people before the operation, so that poisoning or gas explosion caused by blind entry of the gas of the people is avoided, the conventional gas detection is usually realized by adopting a gas detection instrument, the gas detection instrument is an instrument for detecting the concentration of the gas leakage, mainly a portable handheld gas detection instrument, the gas sensor is mainly used for detecting the gas types existing in the environment, and the gas sensor is a sensor for detecting the components and the content of the gas.

However, in actual use, the existing device has at least the following problems: 1. the circuit board of the existing gas detection equipment is usually in direct contact with the test gas, and the circuit board is easily oxidized and corroded by gas or water vapor to influence the service life; 2. when the device absorbs gas, the gas is generally absorbed in a fixed direction, but the distribution of the gas in a room can be uneven, the distribution of different directions and different heights can be different, and the gas condition in the room is difficult to accurately measure, so that the detection result can be inaccurate; the above problems seriously affect the wide application of the multi-gas detection analysis device.

Disclosure of Invention

The utility model aims to: the multi-gas detection and analysis device solves the problems existing in the prior art.

The technical scheme is as follows: the multi-gas detection and analysis device comprises a body, wherein the body comprises a base, a stand column arranged at the top end of the base, a driving piece arranged at the top end of the stand column, a transmission piece in sliding connection with the driving piece, and a detection mechanism arranged at the top end of the transmission piece;

the driving piece is used for providing power for the body, the transmission piece is used for moving the detection mechanism, and the detection mechanism is used for detecting gas.

In a further embodiment, a bevel gear is arranged at the top end of the upright post, the bevel gear is fixedly connected with the upright post, and a controller is arranged on the upright post.

In a further embodiment, the driving member includes a driving housing for protecting the internal device, a driving cavity disposed in the driving housing, a servo motor disposed in the driving housing, a rotating shaft fixedly connected to an output end of the servo motor, and a first gear and a second gear disposed on the rotating shaft are disposed on the limiting member on the driving housing.

In a further embodiment, the bevel gear is inserted into the driving housing and extends into the driving cavity, the first gear is engaged with the bevel gear, the driving housing is rotationally connected with the bevel gear through a gear, the driving housing is rotationally connected with the rotating shaft through a gear, and the servo motor is electrically connected with the controller.

In a further embodiment, the transmission member is sleeved in the limiting member, a rack inserted in the driving housing is arranged on the transmission member, and the rack is meshed with the second gear.

In a further embodiment, the detection mechanism comprises a detection housing fixedly connected with the transmission member, a filter screen arranged at the end part of the detection housing and used for filtering solid impurities, a drying chamber communicated with the filter screen, a plurality of gas detection devices communicated with the drying chamber, a sealing member arranged on the inner wall of the detection housing and communicated with the gas detection devices, a circuit board and an information processor arranged in the sealing member, and a fan arranged at one side of the sealing member away from the gas detection devices and electrically connected with the controller.

In a further embodiment, the drying chamber is configured to absorb moisture in the gas, the gas detecting device includes a carbon monoxide detecting component, a methane detecting component, a hydrogen sulfide detecting component, and a carbon dioxide detecting component, the circuit board is electrically connected to the information processor, the information processor is electrically connected to the controller, the fan is disposed in the detecting housing, and a plurality of exhaust holes are formed in the detecting housing and the sealing member.

The beneficial effects are that:

1. the servo motor is started by the controller, the servo motor drives the rotating shaft to rotate in the moving process, and the rotating shaft drives the first gear and the second gear to rotate in the rotating process; the rotation of the second gear can drive the displacement of the rack, the rack can drive the transmission piece to vertically displace in the limiting piece in the displacement process, and the transmission piece can drive the detection mechanism to vertically displace in the vertical displacement process; to sum up: the detection mechanism can transversely rotate on the basis of vertical displacement, can absorb gases with different heights and different directions, and the measured data are more accurate.

2. The fan can make gas get into detection mechanism through the filter screen, after the fan is started to the controller, gas can be with solid impurity adhesion on the filter screen through the in-process of filter screen, get rid of the hidden danger that solid impurity influences detection mechanism work, then gas passes through the drying chamber, drier in the drying chamber absorbs the steam in the gas, avoid steam to follow-up circuit board oxidation and corruption, and then partial gas gets into in the gas detection device, because gas detection device contains multiple subassembly, consequently can detect different gases simultaneously, the setting of sealing member can make gas can not direct contact to the circuit board, avoid gas to the oxidation and the corruption of circuit board, circuit board and information processor are with measuring result transmission to the controller on, show on the screen of controller, the gas that gets into detection mechanism passes through exhaust vent circulation and exhaust mechanism.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic view of a part of a driving member according to the present utility model;

FIG. 4 is a rear view of the drive of the present utility model;

fig. 5 is a schematic structural diagram of a detection mechanism according to the present utility model.

The reference numerals in the drawings are: 1. a base; 2. a column; 21. a bevel gear; 22. a controller; 3. a driving member; 31. a drive housing; 32. a drive cavity; 33. a servo motor; 34. a rotating shaft; 35. a first gear; 36. a second gear; 37. a limiting piece; 4. a transmission member; 41. a rack; 5. a detection mechanism; 51. a detection housing; 52. a filter screen; 53. a drying chamber; 54. a gas detection device; 55. a seal; 56. a circuit board; 57. an information processor; 58. a blower; 59. and an exhaust hole.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 5, a multi-gas detection and analysis device comprises a body, wherein the body comprises a base 1, a column 2 arranged at the top end of the base 1, a driving piece 3 arranged at the top end of the column 2, a transmission piece 4 in sliding connection with the driving piece 3, a detection mechanism 5 arranged at the top end of the transmission piece 4, the driving piece 3 is used for providing power for the body, the transmission piece 4 is used for moving the detection mechanism 5, and the detection mechanism 5 is used for detecting gas.

Through above-mentioned technical scheme, driving piece 3 provides power for the body, then through the transmission power of driving piece 4, can take place horizontal rotation with detection mechanism 5 in vertical displacement, and the device just can detect the gaseous situation of different height and orientation in the room like this when measuring gas, improves measuring data's accuracy.

As shown in fig. 1-5, the top end of the upright post 2 is provided with a bevel gear 21, the bevel gear 21 is fixedly connected with the upright post 2, the upright post 2 is provided with a controller 22, the driving part 3 comprises a driving shell 31 for protecting an internal device, a driving cavity 32 arranged in the driving shell 31, a servo motor 33 arranged in the driving shell 31, a rotating shaft 34 fixedly connected with the output end of the servo motor 33, a first gear 35 and a second gear 36 arranged on the rotating shaft 34 are arranged on a limiting part 37 on the driving shell 31, the bevel gear 21 is inserted in the driving shell 31 and extends into the driving cavity 32, the first gear 35 is meshed and connected with the bevel gear 21, the driving shell 31 is rotationally connected with the bevel gear 21 through the gear, the driving shell 31 is rotationally connected with the rotating shaft 34 through the gear, the servo motor 33 is electrically connected with the controller 22, the driving part 4 is sleeved in the limiting part 37, a rack 41 inserted on the driving shell 31 is arranged on the driving part 4, and the rack 41 is meshed and connected with the second gear 36.

According to the technical scheme, the servo motor 33 is started by the controller 22, the servo motor 33 drives the rotating shaft 34 to rotate the rotating shaft 34 in the moving process, the rotating shaft 34 drives the first gear 35 and the second gear 36 to rotate in the rotating process, and the first gear 35 is in meshed connection with the conical gear 21 and the conical gear 21 is fixedly arranged on the upright post 2, so that the rotation of the first gear 35 drives the driving piece 3 to transversely rotate; the rotation of the second gear 36 drives the rack 41 to displace, the rack 41 drives the transmission piece 4 to displace vertically in the limiting piece 37 in the displacement process, and the transmission piece 4 drives the detection mechanism 5 to displace vertically in the vertical displacement process; to sum up: the detection mechanism 5 can transversely rotate on the basis of vertical displacement, can absorb gases with different heights and different directions, and the measured data are more accurate.

As shown in fig. 1-5, the detection mechanism 5 includes a detection housing 51 fixedly connected with the transmission member 4, a filter screen 52 arranged at the end of the detection housing 51 and used for filtering solid impurities, a drying chamber 53 communicated with the filter screen 52, a plurality of gas detection devices 54 communicated with the drying chamber 53, a sealing member 55 arranged on the inner wall of the detection housing 51 and communicated with the gas detection devices 54, a circuit board 56 and an information processor 57 arranged in the sealing member 55, a fan 58 arranged on one side of the sealing member 55 far away from the gas detection devices 54, the fan 58 is electrically connected with the controller 22, the drying chamber 53 is used for absorbing moisture in gas, the gas detection devices 54 include a carbon monoxide detection assembly, a methane gas detection assembly, a hydrogen sulfide gas detection assembly and a carbon dioxide gas detection assembly, the circuit board 56 is electrically connected with the information processor 57, the information processor 57 is electrically connected with the controller 22, the fan 58 is arranged in the detection housing 51, and a plurality of exhaust holes 59 are formed in the detection housing 51 and the sealing member 55.

Through the above technical scheme, the fan 58 can enable gas to enter the detection mechanism 5 through the filter screen 52, after the fan 58 is started through the controller 22, the gas can attach solid impurities on the filter screen 52 in the process of passing through the filter screen 52, hidden danger that the solid impurities affect the operation of the detection mechanism 5 is eliminated, then the gas passes through the drying chamber 53, the drying agent in the drying chamber 53 absorbs water vapor in the gas, oxidation and corrosion of the subsequent circuit board 56 by the water vapor are avoided, and then the other part of gas enters the gas detection device 54, as the gas detection device 54 comprises various components, different gases can be detected simultaneously, the sealing member 55 is arranged so that the gas cannot directly contact the circuit board 56, oxidation and corrosion of the gas to the circuit board 56 are avoided, the circuit board 56 and the information processor 57 transmit the measured result to the controller 22, the gas appears on the screen of the controller 22, and the gas entering the detection mechanism 5 passes through the hole circulation and exhaust mechanism.

Working principle: after the fan 58 is started by the controller 22, the gas enters the detection mechanism 5 through the filter screen 52, solid impurities are attached to the filter screen 52 when passing through the filter screen 52, then moisture is absorbed by the drying agent, then the gas enters the gas detection device 54 for detecting various gases, and the gas circulates and is discharged from the detection mechanism 5 through the exhaust hole after the detection is finished; the servo motor 33 is started by the controller 22, the servo motor 33 drives the rotating shaft 34 to rotate the rotating shaft 34 in the moving process, the rotating shaft 34 drives the first gear 35 and the second gear 36 to rotate in the rotating process, and the rotation of the first gear 35 drives the driving piece 3 to transversely rotate; the rotation of the second gear 36 drives the rack 41 to displace, the rack 41 drives the driving member 4 to displace vertically in the displacement process, and the driving member 4 drives the detecting mechanism 5 to displace vertically.

In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations of the utility model are not described in detail in order to avoid unnecessary repetition.

Claims

1. A multi-gas detection analysis device, comprising a body, characterized in that: the body comprises a base (1), a stand column (2) arranged at the top end of the base (1), a driving piece (3) arranged at the top end of the stand column (2), a transmission piece (4) in sliding connection with the driving piece (3), and a detection mechanism (5) arranged at the top end of the transmission piece (4);

the driving piece (3) is used for providing power for the body, the transmission piece (4) is used for moving the detection mechanism (5), and the detection mechanism (5) is used for detecting gas.

2. The multi-gas detection analysis device according to claim 1, wherein: the top of the upright post (2) is provided with a bevel gear (21), the bevel gear (21) is fixedly connected with the upright post (2), and the upright post (2) is provided with a controller (22).

3. A multi-gas detection analysis device according to claim 2, wherein: the driving piece (3) comprises a driving shell (31) for protecting an internal device, a driving cavity (32) arranged in the driving shell (31), a servo motor (33) arranged in the driving shell (31), a rotating shaft (34) fixedly connected with the output end of the servo motor (33), a first gear (35) and a second gear (36) arranged on the rotating shaft (34) and a limiting piece (37) arranged on the driving shell (31).

4. A multi-gas detection analysis device according to claim 3, wherein: the bevel gear (21) is inserted into the driving housing (31) and extends into the driving cavity (32), the first gear (35) is meshed with the bevel gear (21), the driving housing (31) is rotationally connected with the bevel gear (21) through a gear, the driving housing (31) is rotationally connected with the rotating shaft (34) through a gear, and the servo motor (33) is electrically connected with the controller (22).

5. The multi-gas detection analyzer of claim 4, wherein: the transmission part (4) is sleeved in the limiting part (37), a rack (41) inserted in the driving shell (31) is arranged on the transmission part (4), and the rack (41) is meshed with the second gear (36).

6. A multi-gas detection analysis device according to claim 2, wherein: the detection mechanism (5) comprises a detection shell (51) fixedly connected with the transmission part (4), a filter screen (52) arranged at the end part of the detection shell (51) and used for filtering solid sundries, a drying chamber (53) communicated with the filter screen (52), a plurality of gas detection devices (54) communicated with the drying chamber (53), a sealing part (55) arranged on the inner wall of the detection shell (51) and communicated with the gas detection devices (54), a circuit board (56) and an information processor (57) arranged in the sealing part (55), and a fan (58) arranged at one side, far away from the gas detection devices (54), of the sealing part (55), wherein the fan (58) is electrically connected with the controller (22).

7. The multi-gas detection analysis device according to claim 6, wherein: the drying chamber (53) is used for absorbing moisture in gas, the gas detection device (54) comprises a carbon monoxide detection assembly, a methane gas detection assembly, a hydrogen sulfide gas detection assembly and a carbon dioxide gas detection assembly, the circuit board (56) is electrically connected with the information processor (57), the information processor (57) is electrically connected with the controller (22), the fan (58) is arranged in the detection shell (51), and a plurality of exhaust holes (59) are formed in the detection shell (51) and the sealing piece (55).