CN211927775U

CN211927775U - Device for measuring gas concentration by using electrochemical sensor

Info

Publication number: CN211927775U
Application number: CN202020593459.8U
Authority: CN
Inventors: 渠星宇; 边永军
Original assignee: Jinzhong University
Current assignee: Jinzhong University
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-11-13
Anticipated expiration: 2030-04-20

Abstract

The utility model discloses an utilize electrochemical sensor to measure device of gas concentration, including transparent box, driving motor and electrochemical sensor, electrochemical sensor fixed mounting is in the bottom of transparent box, fixed mounting has the fixed plate on the lateral wall of transparent box, driving motor fixed mounting is on the fixed plate, be provided with intake pipe and outlet duct on the one end lateral wall of transparent box, the intercommunication has the scavenge pipe on the other end lateral wall of transparent box, driving motor's drive shaft fixed connection rotates the sealed telescopic machanism that runs through transparent box lateral wall setting, telescopic machanism's free end fixed mounting has the flabellum. The utility model discloses a cooperation between transparent box, driving motor, driven pipe, spout, slider, follower lever and the flabellum is used, has realized making through the flabellum to wait to detect the purpose of gaseous at transparent box internal circulation flow to be convenient for detect it, improve detection efficiency.

Description

Device for measuring gas concentration by using electrochemical sensor

Technical Field

The utility model belongs to the technical field of gaseous detection, especially, relate to an utilize electrochemical sensor to measure gas concentration's device.

Background

Electrochemical sensors operate by reacting with the gas being measured and producing an electrical signal proportional to the gas concentration, and small electrochemical sensors have begun to be used to detect a wide variety of different harmful gases in the mid-eighties of the last century.

However, since the floating state of the gas is different in the device due to different densities, the gas is not easily detected in the bottommost layer and the topmost layer, so that the detection speed of the electrochemical sensor is slow, and the detection efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of different internal floating states of the gas device and low detection efficiency in the prior art, and providing a device for measuring gas concentration by using an electrochemical sensor.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an utilize electrochemical sensor to measure gas concentration's device, includes transparent box, driving motor and electrochemical sensor, electrochemical sensor fixed mounting is in the bottom of transparent box, fixed mounting has the fixed plate on the lateral wall of transparent box, driving motor fixed mounting is on the fixed plate, be provided with intake pipe and outlet duct on the one end lateral wall of transparent box, the intercommunication has the breather pipe on the other end lateral wall of transparent box, driving motor's drive shaft fixed connection rotary seal runs through the telescopic machanism that transparent box lateral wall set up, telescopic machanism's free end fixed mounting has the flabellum, sliding seal runs through the pushing mechanism who is equipped with the slip cap on the telescopic machanism on the lateral wall of transparent box.

Preferably, telescopic machanism include with driving motor drive shaft fixed connection's driven pipe, the driven pipe rotates the lateral wall setting that sealed runs through transparent box, the spout has been seted up on the inner wall of driven pipe, it is equipped with the slider to slide in the spout, sliding seal runs through on the lateral wall of driven pipe and is equipped with the driven lever with slider fixed connection, flabellum fixed mounting is on the driven lever, fixed cover is equipped with two stoppers on the driven lever, pushing mechanism sliding sleeve locates on the driven lever between two stoppers.

Preferably, pushing mechanism includes that sliding seal runs through the push rod that transparent box lateral wall set up, fixed mounting has the connecting rod on the lateral wall of push rod, two sliding sleeve is equipped with the ejector pad with connecting rod fixed connection on the driven lever between the stopper.

Preferably, the air outlet pipe penetrates through the side wall of the transparent box body.

Preferably, ball valves are arranged on the air inlet pipe, the air outlet pipe and the scavenging pipe.

Preferably, the inner wall of the transparent box body is arranged in an arc shape.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a cooperation between transparent box, driving motor, driven pipe, spout, slider, follower lever and the flabellum is used, has realized making through the flabellum to wait to detect the purpose of gaseous at transparent box internal circulation flow to be convenient for detect it, improve detection efficiency.

2. The utility model discloses a cooperation between outlet duct, flabellum, driven lever, stopper and the pushing mechanism is used, has realized detecting the completion back, through promoting the push rod for the flabellum moves the purpose to in the outlet duct, thereby realizes gas outgoing's purpose, easy operation.

Drawings

Fig. 1 is a schematic front perspective structural view of a device for measuring gas concentration using an electrochemical sensor according to the present invention;

fig. 2 is a partially enlarged view of a portion a in fig. 1.

In the figure: the device comprises a transparent box body 1, a driving motor 2, an electrochemical sensor 3, a fixing plate 4, an air inlet pipe 5, an air outlet pipe 6, a ventilation pipe 7, fan blades 8, a driven pipe 9, a sliding groove 10, a sliding block 11, a driven rod 12, a limiting block 13, a push rod 14, a connecting rod 15 and a push block 16.

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.

Referring to fig. 1-2, a device for measuring gas concentration by using an electrochemical sensor, comprising a transparent box 1, a driving motor 2 and an electrochemical sensor 3, wherein the electrochemical sensor 3 is fixedly installed at the bottom of the transparent box 1, a fixing plate 4 is fixedly installed on the side wall of the transparent box 1, the driving motor 2 is fixedly installed on the fixing plate 4, an air inlet pipe 5 and an air outlet pipe 6 are arranged on the side wall of one end of the transparent box 1, a ventilation pipe 7 is communicated with the side wall of the other end of the transparent box 1, it should be noted that a filter screen (not shown in the figure) is arranged in the ventilation pipe 7, in addition, when the interior of the transparent box 1 is required to be in a vacuum state, the device can be connected with an existing vacuum pump through the ventilation pipe 7, a driving shaft of the driving motor 2 is fixedly connected with a telescopic mechanism, the side wall of the transparent box body 1 is provided with a pushing mechanism which is slidably sleeved on the telescopic mechanism in a sliding and sealing way.

Wherein, telescopic machanism include with 2 drive shaft fixed connection's of driving motor driven pipe 9, driven pipe 9 pivoted seal runs through the lateral wall setting of transparent box 1, spout 10 has been seted up on driven pipe 9's the inner wall, it is equipped with slider 11 to slide in the spout 10, sliding seal runs through on driven pipe 9's the lateral wall and is equipped with the driven lever 12 with slider 11 fixed connection, flabellum 8 fixed mounting is on driven lever 12, fixed cover is equipped with two stoppers 13 on the driven lever 12, pushing mechanism sliding sleeve locates on the driven lever 12 between two stoppers 13, furthermore, pushing mechanism runs through push rod 14 that transparent box 1 lateral wall set up including sliding seal, fixed mounting has connecting rod 15 on push rod 14's the lateral wall, sliding sleeve is equipped with ejector pad 16 with connecting rod 15 fixed connection on the driven lever 12 between two stoppers 13.

It should be noted that, drive driven pipe 9 through driving motor 2 and rotate, thereby make driven lever 12 rotate, and then make flabellum 8 rotate, wherein, the inner wall of transparent box 1 is the arc setting, it is specific, thereby make the inside gas of transparent box 1 flow along its inside circulation, the detection of the electrochemical sensor 3 of being convenient for, in addition, outlet duct 6 runs through the lateral wall setting of transparent box 1, it is specific, through promoting push rod 14, thereby can make flabellum 8 move to in the outlet duct 6, it is further, intake pipe 5, all be equipped with the ball valve on outlet duct 6 and the scavenge pipe 7, it is specific, open the ball valve, thereby can be with gas outgoing.

In the utility model, the air inlet pipe 5 is communicated with the existing air delivery device, the ball valve on the air inlet pipe 5 is opened, the gas to be detected is input into the transparent box body 1, the ball valve on the air inlet pipe 5 is closed, the driving motor 2 is started, the driving motor 2 drives the driven rod 12 to rotate through the driven pipe 9, the chute 10 and the slider 11, so that the fan blade 8 rotates, the inner wall of the transparent box body 1 is arc-shaped, so that the gas circularly flows in the transparent box body 1 in the clockwise direction, the electrochemical sensor 3 is convenient to detect, the detection efficiency is improved, after the detection is finished, the push rod 14 is pushed, so that the push rod 14 pushes the limit block 13 to move through the connecting rod 15 and the push block 16, the purpose of pushing the driven rod 12 to move is realized, so that the fan blade 8 moves to the air outlet pipe 6, it needs to be explained that the air, at this time, the ball valve on the gas outlet pipe 6 is opened, so that the gas in the transparent case 1 is discharged from the gas outlet pipe 6, and further, when the gas in the transparent case 1 stops flowing, the ball valve on the ventilation port 6 is opened to maintain the pressure balance inside the transparent case 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A device for measuring gas concentration by using an electrochemical sensor comprises a transparent box body (1), a driving motor (2) and the electrochemical sensor (3), the electrochemical sensor (3) is fixedly arranged at the bottom of the transparent box body (1), it is characterized in that a fixed plate (4) is fixedly arranged on the side wall of the transparent box body (1), the driving motor (2) is fixedly arranged on the fixed plate (4), an air inlet pipe (5) and an air outlet pipe (6) are arranged on the side wall of one end of the transparent box body (1), the side wall of the other end of the transparent box body (1) is communicated with a ventilation pipe (7), a driving shaft of the driving motor (2) is fixedly connected with a telescopic mechanism which is arranged by penetrating through the side wall of the transparent box body (1) in a rotating and sealing way, the free end fixed mounting of telescopic machanism has flabellum (8), sliding seal runs through on the lateral wall of transparent box (1) is equipped with the pushing mechanism that the telescopic machanism was located to the slip cap.

2. The device for measuring gas concentration by using an electrochemical sensor according to claim 1, wherein the telescopic mechanism comprises a driven tube (9) fixedly connected with a driving shaft of the driving motor (2), the driven tube (9) is rotatably and hermetically arranged to penetrate through the side wall of the transparent box body (1), a sliding groove (10) is formed in the inner wall of the driven tube (9), a sliding block (11) is slidably arranged in the sliding groove (10), a driven rod (12) fixedly connected with the sliding block (11) is slidably and hermetically arranged on the side wall of the driven tube (9), the fan blade (8) is fixedly installed on the driven rod (12), two limiting blocks (13) are fixedly sleeved on the driven rod (12), and the pushing mechanism is slidably sleeved on the driven rod (12) between the two limiting blocks (13).

3. The device for measuring the gas concentration by using the electrochemical sensor according to claim 2, wherein the pushing mechanism comprises a push rod (14) which is slidably sealed and penetrates through the side wall of the transparent box body (1), a connecting rod (15) is fixedly installed on the side wall of the push rod (14), and a push block (16) fixedly connected with the connecting rod (15) is slidably sleeved on the driven rod (12) between the limiting blocks (13).

4. The apparatus for measuring a gas concentration using an electrochemical sensor according to claim 1, wherein the gas outlet pipe (6) is provided through a side wall of the transparent case (1).

5. The apparatus for measuring gas concentration using an electrochemical sensor according to claim 1, wherein ball valves are provided on the inlet pipe (5), the outlet pipe (6) and the scavenging pipe (7).

6. The apparatus for measuring a gas concentration using an electrochemical sensor according to claim 1, wherein the inner wall of the transparent case (1) is formed in an arc shape.