阅读说明：本技术 一种气体浓度检测装置 (Gas concentration detection device ) 是由 周立明 于 2021-06-30 设计创作，主要内容包括：本发明涉及气体检测技术领域,具体是一种气体浓度检测装置,所述气体浓度检测装置包括：检测箱体,所述检测箱体外部设置有凹槽,所述凹槽内安装有气体采集装置；气体采集单元,设置于气体采集装置内部且连接有伸缩装置；旋转驱动装置,设置于检测箱体内部,且与气体采集装置通过联动装置连接；气体浓度检测单元,设置于检测箱体内部,与气体采集装置通过进气机构相连接。本发明提供的气体浓度检测装置将气体采集单元设置为可伸缩式,气体采集装置设置为可转动,提高了对气体样本的采集效果,使检测结果更加准确,在采集结束后,气体采集装置可以收缩至凹槽内,减小了气体采集装置的体积,使装置更加便于携带。(The invention relates to the technical field of gas detection, in particular to a gas concentration detection device, which comprises: the gas detection device comprises a detection box body, wherein a groove is formed in the outer part of the detection box body, and a gas collection device is arranged in the groove; the gas collecting unit is arranged in the gas collecting device and is connected with a telescopic device; the rotation driving device is arranged in the detection box body and is connected with the gas collecting device through a linkage device; and the gas concentration detection unit is arranged inside the detection box body and is connected with the gas acquisition device through the gas inlet mechanism. According to the gas concentration detection device provided by the invention, the gas collection unit is arranged in a telescopic manner, and the gas collection device is arranged in a rotatable manner, so that the collection effect of a gas sample is improved, the detection result is more accurate, and after collection is finished, the gas collection device can be contracted into the groove, so that the size of the gas collection device is reduced, and the device is more convenient to carry.)

1. A gas concentration detection apparatus characterized by comprising:

the gas detection device comprises a detection box body, wherein a groove is formed in the outer part of the detection box body, and a gas collection device is arranged in the groove;

the gas collecting unit is arranged in the gas collecting device and is connected with a telescopic device;

the rotation driving device is arranged in the detection box body and is connected with the gas collecting device through a linkage device;

and the gas concentration detection unit is arranged inside the detection box body and is connected with the gas acquisition device through the gas inlet mechanism.

2. The gas concentration detection apparatus according to claim 1, wherein the gas collection apparatus comprises:

the side surface of the mounting seat is provided with a mounting groove, and the gas collection unit is arranged in the mounting groove;

the telescopic driving device is arranged in the mounting seat, is connected with the telescopic device and is used for driving the telescopic device to move so as to drive the gas collection unit to move out of the mounting groove;

the gas collection cavity is arranged at the bottom of the mounting seat and is connected with the gas collection unit;

the base is arranged below the mounting seat and connected with the mounting seat, and a lifting device is arranged between the base and the inner wall of the groove.

3. The gas concentration detection apparatus according to claim 2, wherein the expansion device includes:

the connecting seats are symmetrically arranged on the inner wall sides of the gas collecting units close to the mounting grooves;

the fixing seat is connected with the inner wall of the mounting groove, and a first rotating piece is movably mounted at the end part of the fixing seat;

the first transmission assembly is connected with the first rotating piece and used for driving the first rotating piece to rotate;

and one end of the second transmission component is movably connected with the connecting seat, and the other end of the second transmission component is fixedly connected with the first rotating piece.

4. The gas concentration detection apparatus according to claim 3, wherein the telescopic drive means includes:

one end of the driving piece is connected with a driving mechanism, and a driving seat is arranged on the driving piece;

and the third transmission part is arranged above the second rotating part, the second rotating part penetrates through the installation seat, and the third transmission part is matched with the driving seat and is used for driving the second rotating part to rotate.

5. The gas concentration detection device according to claim 2, wherein a first connection pipe is arranged between the gas collection unit and the inner wall of the installation groove, and a second connection pipe is connected to the other end of the first connection pipe and communicated with the gas collection chamber.

6. The gas concentration detection device according to claim 2, wherein a pipe winding roller is mounted above the base, the pipe winding roller is connected with the lifting device, an air inlet pipe is sleeved on the pipe winding roller, one end of the air inlet pipe is connected with the air collection cavity, and the other end of the air inlet pipe is connected with the air inlet mechanism.

7. The gas concentration detection device according to claim 1, wherein the gas concentration detection unit is communicated with the gas inlet mechanism through a gas outlet pipe, the gas concentration detection unit comprises a detection cavity, one end of the detection cavity is connected with a detection analyzer, and the other end of the detection cavity is connected with a temperature regulator.

Technical Field

The invention relates to the technical field of gas detection, in particular to a gas concentration detection device.

Background

The gas detection device is a tool for detecting gas concentration, and can be divided into a plurality of gas detectors and a single gas detector according to the detected gas quantity, signals output by a gas sensor of the gas detection device are all analog signals, the analog signals are weak and are all nanoampere current signals, the gas detector is required to amplify and perform analog-to-digital conversion on the analog signals, original analog quantity is converted into digital signals which can be directly processed by a microprocessor, and the microprocessor converts the digital signals into gas concentration values.

The existing gas concentration detection device can only sample from a single angle when a gas sample is sampled, so that the detection result of gas cannot completely reflect the real situation, and if a multi-angle sampling mechanism is added, the volume of the gas concentration detection device is increased, and the device is inconvenient to carry and move.

Disclosure of Invention

The present invention is directed to a gas concentration detection apparatus to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme:

a gas concentration detection apparatus, comprising:

the gas detection device comprises a detection box body, wherein a groove is formed in the outer part of the detection box body, and a gas collection device is arranged in the groove;

the gas collecting unit is arranged in the gas collecting device and is connected with a telescopic device;

the rotation driving device is arranged in the detection box body and is connected with the gas collecting device through a linkage device;

and the gas concentration detection unit is arranged inside the detection box body and is connected with the gas acquisition device through the gas inlet mechanism.

Compared with the prior art, the invention has the beneficial effects that: according to the gas concentration detection device, the gas collection unit is arranged in a telescopic mode, when gas needs to be sampled, the gas collection unit is driven to extend out of the detection box body through the lifting mechanism and the telescopic device, the gas collection device is driven to rotate through the linkage device during collection, surrounding gas can be sampled, and after collection is finished, the gas collection device can be contracted into the groove, so that the size of the gas collection device is reduced, and the device is convenient to carry.

Drawings

Fig. 1 is a schematic structural view of a gas concentration detection apparatus.

Fig. 2 is a schematic structural view of the gas concentration detection apparatus in an operating state.

Fig. 3 is a schematic structural view of a gas detection device in the gas concentration detection device.

Fig. 4 is a schematic structural view of the expansion device in the gas concentration detection apparatus.

Fig. 5 is a schematic structural view of a linkage device in the gas concentration detection device.

Fig. 6 is a schematic structural view of an intake mechanism in the gas concentration detection apparatus.

Fig. 7 is a schematic structural view of a gas concentration detection unit in the gas concentration detection apparatus.

Description of reference numerals:

1. the gas collecting device comprises a detection box body, 2, a groove, 3, a gas collecting unit, 4, a telescopic device, 41, a connecting seat, 42, a fixed seat, 43, a first rotating piece, 44, a first transmission piece, 45, a second transmission piece, 46, a second rotating piece, 47, a second transmission component, 5, a linkage device, 51, a first linkage shaft, 52, a first linkage gear, 53, a first slide rail, 54, a first slide seat, 55, a second slide rail, 56, a movable cavity, 57, a second slide seat, 58, a second linkage shaft, 59, a second linkage gear, 510, a linkage component, 6, a gas concentration detection unit, 7, a gas inlet mechanism, 8, a mounting seat, 9, a mounting groove, 10, a telescopic driving device, 101, a driving piece, 102, a driving seat, 103, a third transmission piece, 11, a gas collecting cavity, 12, a base, 13, a lifting device, 14, a first connecting pipe, 15, a second connecting pipe, 16, a telescopic driving piece, a first rotating piece, a second rotating piece, 44, a second rotating piece, a third rotating piece, a second rotating piece, a third rotating piece, a second rotating, A pipe winding roller 17, an air inlet pipe 18, a clamping plate 19 and an air outlet pipe.

Detailed Description

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

Example 1

Referring to fig. 1 and 2, in an embodiment of the present invention, a gas concentration detection apparatus includes a detection box 1, a gas collection unit 3, a rotation driving device, and a gas concentration detection unit 6.

The gas detection device comprises a detection box body 1, a gas collection device and a gas detection device, wherein a groove 2 is arranged outside the detection box body 1, and the gas collection device is arranged in the groove 2; the gas acquisition unit 3 is arranged in the gas acquisition device, and the gas acquisition unit 3 is connected with the telescopic device 4; the rotation driving device is arranged in the detection box body 1 and is connected with the gas collecting device through a linkage device 5; and the gas concentration detection unit 6 is arranged inside the detection box body 1 and is connected with the gas acquisition device through the gas inlet mechanism 7.

Example 2

Referring to fig. 3, in the present embodiment, the gas collecting device further includes a mounting base 8, a telescopic driving device 10, a gas collecting cavity 11, and a base 12.

The side surface of the mounting seat 8 is provided with a mounting groove 9, the gas collection unit 3 is arranged in the mounting groove 9, wherein the number of the mounting groove 9 and the number of the gas collection unit 3 can be one or two, and when the number of the mounting groove 9 and the number of the gas collection unit 3 are two, the mounting groove 9 and the gas collection unit 3 are symmetrically distributed on two sides of the mounting seat 8; a telescopic driving device 10 is arranged in the mounting seat 8, and the telescopic driving device 10 is connected with the telescopic device 4 and used for driving the telescopic device 4 to move so as to drive the gas collection unit 3 to move out of the mounting groove 9; a gas collecting cavity 11 is arranged at the bottom of the mounting seat 8, and the gas collecting cavity 11 is connected with the gas collecting unit 3; a base 12 is arranged below the mounting seat 8, the base 12 is connected with the mounting seat 8, and a lifting device 13 is arranged between the base 12 and the inner wall of the groove 2.

When gas is required to be collected, the lifting device 13 drives the gas collecting device to move out of the groove 2, the telescopic driving device 10 drives the telescopic device 4 to move, and meanwhile, the gas collecting unit 3 is pushed to move towards two sides, so that the collecting efficiency of surrounding gas is improved. After the collection ends, can be with 3 playback of gas collection unit to mounting groove 9 in, gas collection system removes to recess 2, reduces collection system's volume, portable.

Example 3

Referring to fig. 4, in the present embodiment, the telescopic device 4 includes a connecting seat 41, a fixing seat 42, a first transmission assembly, and a second transmission assembly 47. Wherein:

the connecting seats 41 are symmetrically arranged on the inner wall side of the gas collecting unit 3 close to the mounting groove 9; the fixed seat 42 is connected with the inner wall of the mounting groove 9, and a first rotating piece 43 is movably mounted at the end part of the fixed seat 42; the first transmission assembly is connected with the first rotating member 43 and is used for driving the first rotating member 43 to rotate; the first transmission assembly comprises a first transmission piece 44 installed above the first rotating piece 43, a second transmission piece 45 is arranged on one side of the first transmission piece 44, the second transmission piece 45 is installed above a second rotating piece 46, and the second rotating piece 46 is connected with the telescopic driving device 10.

Wherein, the first rotating member 43 and the second rotating member 46 can be configured as a rotating rod or a rotating shaft, the first transmission member 44 and the second transmission member can be configured as a rotating worm wheel and a worm rod to cooperate, the second rotating member 46 is driven to rotate by the telescopic driving device 10, the worm rod is synchronously driven to rotate and is meshed with the rotating worm wheel, the rotating worm wheel and the first rotating member 43 are driven to rotate,

one end of the second transmission component 47 is movably connected with the connecting seat 41, the other end of the second transmission component is fixedly connected with the first rotating part 43, the second transmission component 47 can be arranged into a swing arm and connecting rod combination, one end of the swing arm is fixedly connected with the first rotating part 43, the other end of the swing arm is hinged with a connecting rod, and the other end of the connecting rod is hinged with the connecting seat 42. When first rotating member 43 rotates, drive the swing arm and rotate, the swing arm is at the rotation in-process through the connecting rod with gaseous collection unit 3 outside promotion, the gaseous collection unit 3 of being convenient for is gathered outside gas.

In this embodiment, the telescopic driving device 10 includes a driving member 101 and a third transmission member 103. One end of the driving member 101 is connected to a driving mechanism, which includes but is not limited to a driving motor or a rotating motor; a driving seat 102 is mounted on the driving member 101. The third transmission member 103 is installed above the second rotating member 46, the second rotating member 46 penetrates through the installation base 8, and the third transmission member 103 is matched with the driving base 102 and used for driving the second rotating member 46 to rotate.

Here, can set up driving piece 101 into the transmission lead screw, driving seat 102 and driving piece 101 pass through threaded connection's mode cooperation, driving seat 102 and 8 inner walls sliding connection of both sides mount pad simultaneously, rotate control driving seat 102 up-and-down motion through the lead screw, driving seat 102 surface is provided with the rack board simultaneously, third driving medium 103 sets up to rotatory gear, in-process reciprocating through driving seat 102, rotatory gear and rack board meshing drives second rotating member 46 and rotates, thereby drive the motion of telescoping device 4.

In addition, the driving member 101 may be set as a rotating shaft, the driving seat 102 may be set as a first bevel gear, and the third transmission member 103 may be set as a second bevel gear, so that the first bevel gear is engaged with the second bevel gear by controlling the rotation of the driving member 101, and the second rotating member 46 is driven to rotate.

In this embodiment, a first connecting pipe 14 is disposed between the gas collecting unit 3 and the inner wall of the mounting groove 9, the other end of the first connecting pipe 14 is connected to a second connecting pipe 15, and the second connecting pipe 15 is communicated with the gas collecting chamber 11.

In this embodiment, the first connecting pipe 14 is a shrinkable pipe, for example: bellows, in order that the first connecting tube 14 will also contract as the gas collection unit 3 moves in an outward direction.

In this embodiment, the lifting device 13 may be configured as:

the lifting gear is movably arranged above the base 12, and one end of the lifting gear is connected with a driving mechanism;

the lifting plate is arranged on the inner wall of one side of the groove 2 and is matched with the lifting gear, the lifting plate can be a rack plate, and when the lifting gear rotates, the lifting gear is meshed with the lifting plate, so that the gas collecting device is driven to move up and down;

the lifting chute is arranged on one side, far away from the lifting plate, of the groove 2, a roller is arranged in the lifting chute, the roller is connected with one side, far away from the lifting gear, of the base 12 through a fixing piece, and the movement process of the gas collecting device is more stable through the matching of the roller and the lifting chute;

here, the lifting device 13 may be replaced by installing a hydraulic cylinder below the base 12, and the lifting of the base 12 is controlled by the hydraulic cylinder, so as to control the up-and-down movement of the gas collecting device.

In this embodiment, a pipe winding roller 16 is installed above the base 12, the pipe winding roller 16 is connected to the lifting device 13, an air inlet pipe 17 is sleeved on the pipe winding roller 16, one end of the air inlet pipe 17 is connected to the air collecting chamber 11, and the other end of the air inlet pipe is connected to the air inlet mechanism 7.

Referring to fig. 6, the air inlet mechanism 7 is used for introducing the detected gas into the gas concentration detection unit 6 from the gas collecting chamber 11, the air inlet mechanism 7 may be configured such that a hydraulic base is installed on the top of the inner chamber of the air inlet mechanism 7, a compression piston is installed at the output end of the hydraulic base, the compression piston compresses the gas by controlling the intermittent up-and-down movement of the hydraulic base, the gas is introduced from the gas inlet pipe 17 and then is conducted into the gas concentration detection unit 6 through the gas outlet pipe 18, wherein the gas inlet pipe 17 and the gas outlet pipe 18 are both provided with a check valve.

Wherein, the connection mode of the pipe winding roller 16 and the lifting device 13 can be set as that the end parts of the pipe winding roller 16 and the lifting gear are fixedly provided with driving belt wheels, and the driving belt wheels on the two sides are matched with each other through a driving belt, so that when the lifting device 13 controls the base 12 to move up and down, the pipe winding roller 16 synchronously winds and releases the air inlet pipe 17, and the collected gas is conveniently transmitted.

Example 4

Referring to fig. 3 and 5, in the present embodiment, the linkage 5 may be configured as:

the two ends of the first linkage shaft 51 are respectively movably connected with the bottom of the mounting base 8 and the upper part of the base 12, and a first linkage gear 52 is mounted on the first linkage shaft 51;

the first slide rail 53 is arranged at the upper part of one side of the detection box body 1, and a first slide seat 54 is connected in the first slide rail 53 in a sliding manner;

the second slide rail 55 is arranged on one side of the first slide rail 53, a movable cavity 56 is arranged between the first slide rail 53 and the second slide rail 55, a second slide seat 57 is connected in the second slide rail 55 in a sliding manner, a second linkage shaft 58 is movably arranged between the first slide seat 54 and the second slide seat 57, a second linkage gear 59 is arranged on the second linkage shaft 58, a compression spring is arranged in the second slide rail 55, one end of the compression spring is fixedly connected with the inner wall of the second slide rail 55, and the other end of the compression spring is connected with the inner wall of the second slide seat 57;

and the two ends of the linkage assembly 510 are respectively connected with the bottom of the base 12 and the second slide carriage 57, and the linkage assembly 510 is used for driving the second slide carriage 57 to move in the second slide rail 55 when the base 12 moves.

Wherein, the linkage assembly 510 can be configured to install fixed blocks at the bottom of the base 12 and the bottom of the second sliding seat 57, the fixed blocks are connected by ropes, and a plurality of pulleys matched with the ropes are arranged at the bottom of the groove 2 and the inner wall of the detection box body 1, so that when the base 12 moves upwards, the first carriage 54 and the second carriage 57 are pulled by the link assembly 510 to move toward the groove 2 side, when the base 12 is moved to the top, where the second linkage gear 59 moves along the movable chamber 56, a portion of the second linkage gear 59 moves inside the recess 2, and is engaged with the first linkage gear 52, and drives the first linkage shaft 51 to rotate through the rotation of the second linkage shaft 58, thereby drive gaseous collection system and constantly rotate at the collection in-process, make the gaseous homoenergetic of periphery gathered by gas acquisition unit 3, improved the collection effect to the gas sample.

Example 5

Referring to fig. 7, in this embodiment, the gas concentration detection unit 6 is communicated with the gas inlet mechanism 7 through a gas outlet pipe, the gas concentration detection unit 6 includes a detection cavity, one end of the detection cavity is connected with a detection analyzer, the other end of the detection cavity is connected with a temperature regulator, the temperature of the gas can be regulated through the temperature regulator, the molecular structure of the gas is enabled to be more active, the detection efficiency is improved, meanwhile, a controller is further arranged inside the detection cavity, and the detection cavity is electrically connected with each driving mechanism through the controller

In conclusion, the gas concentration detection device provided by the invention has the advantages that the gas collection unit is arranged in a telescopic mode, when gas needs to be sampled, the gas collection unit 3 is driven to extend out of the detection box body 1 through the lifting device 13 and the telescopic device 4, the gas collection device can be driven to rotate through the linkage device 5 during collection, surrounding gas can be sampled, the collection effect of a gas sample is improved, after collection is finished, the gas collection device can be contracted into the groove 2, the size of the gas collection device is reduced, and the device is convenient to carry.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.