CN215640999U

CN215640999U - Electrochemical gas sensor

Info

Publication number: CN215640999U
Application number: CN202121237810.0U
Authority: CN
Inventors: 耿志强
Original assignee: Shanghai Liyuan Environmental Testing Co ltd
Current assignee: Shanghai Liyuan Environmental Testing Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2022-01-25
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses an electrochemical gas sensor, which has the technical scheme that: including the sensor body, the fixed a plurality of electrodes that are provided with in bottom of sensor body, the upper end of sensor body is provided with the inlet port, can dismantle on the inlet port and be provided with the dust ring, dust ring and inlet port intercommunication are provided with the annular groove on the dust ring, and the cover is equipped with the dust cover on the dust ring, and the material of dust cover is the non-woven fabrics material.

Description

Electrochemical gas sensor

Technical Field

The utility model relates to the technical field of gas sensors, in particular to an electrochemical gas sensor.

Background

The electrochemical gas sensor is a detector for measuring current by oxidizing or reducing a gas to be measured at an electrode to obtain the concentration of the gas to be measured; the sensor has two or three electrodes in contact with the electrolyte, and four electrodes in pairs. Typical electrodes consist of a large surface area noble metal and a porous hydrophobic membrane. The electrodes and electrolyte are in contact with the ambient air and monitored by the porous membrane. Mineral acids are generally used as electrolytes. Some sensors also use organic electrolytes. The electrodes are typically placed in a plastic box with gas inlet holes and electrical contacts.

Referring to the existing Chinese patent with publication number CN210221895U, the utility model discloses an electrochemical gas sensor, relating to the technical field of gas sensors. The reference electrode, the counter electrode, the first working electrode and the second working electrode are all accommodated in the accommodating cavity, the first working electrode is provided with a first reaction surface attached to the inner wall of the shell, the second working electrode is provided with a second reaction surface attached to the inner wall of the shell, and the shell is provided with a first capillary hole, a second capillary hole and the like.

When the sensor collects gas, the air inlet hole is not blocked, so that the air inlet hole is easy to store dirt and dirty to influence the detection result of the sensor, and the aging of the sensor is accelerated.

SUMMERY OF THE UTILITY MODEL

In view of the problems mentioned in the background, it is an object of the present invention to provide an electrochemical gas sensor to solve the problems mentioned in the background such as the easy collection of air intake holes and dirt.

The technical purpose of the utility model is realized by the following technical scheme:

an electrochemical gas sensor comprises a sensor body, wherein a plurality of electrodes are fixedly arranged at the bottom of the sensor body, an air inlet is formed in the upper end of the sensor body, a dustproof ring is detachably arranged on the air inlet and is communicated with the air inlet, an annular groove is formed in the dustproof ring, a dustproof cover is sleeved on the dustproof ring, and the dustproof cover is made of non-woven fabrics; a dustproof ring is detachably arranged on an air inlet hole at the upper end of the sensor body and is communicated with the air inlet hole, so that excessive dust and sundries are prevented from entering the air inlet hole, and the sensitivity of the sensor is prevented from being influenced; meanwhile, the annular groove is formed in the dustproof ring, so that a user can conveniently apply force when the dustproof ring is assembled and disassembled, and the dustproof ring is more convenient and labor-saving; set up the dust cover of a non-woven fabrics material simultaneously on the dirt proof ring, the non-woven fabrics is ventilative waterproof, can realize ventilative when blockking that the dust gets into the inlet port, and the non-woven fabrics is still resistant mould simultaneously, thereby can avoid inlet port department to breed the bacterium sensor body that ages with higher speed.

Further, the dust cover is sleeved in the annular groove through the elastic rope.

By adopting the technical scheme, the dustproof cover arranged on the elastic rope is convenient for a user to replace the dustproof cover which loses the filtering effect in the later period; meanwhile, the clamping force of the elastic rope arranged in the annular groove is better.

Furthermore, the bottom of the dust ring is provided with a magnetic block, and the dust ring is connected with the sensor body in a magnetic type manner.

Through adopting above-mentioned technical scheme, magnetism is inhaled formula and is connected convenient to use person's later stage and clear up the dirt proof ring dismouting.

Furthermore, the magnetic block is provided with a convex block, and the thickness of the convex block is larger than that of the magnetic block and is clamped in the sensor body.

Through adopting above-mentioned technical scheme, the setting of lug takes place the displacement or the condition such as rotate when avoiding the dirt ring to set up on the sensor body.

Further, the bottom edge of the bump is provided with a chamfer.

Through adopting above-mentioned technical scheme, the setting of chamfer is in the sensor body is gone on the card of being convenient for fix a position and smooth card when block with the sensor body for the lug.

Furthermore, the dustproof ring is made of acrylic materials.

By adopting the technical scheme, the acrylic plate has excellent transparency, is a colorless transparent organic glass plate, has light transmittance of more than 92 percent, excellent weather resistance and strong adaptability to natural environment, and can not change the performance even under the irradiation of sunlight and wind, rain and rain for a long time; the dust-free dust-proof ring is convenient for a user to carry out whether dust is accumulated inside the dust-proof ring.

In summary, the utility model mainly has the following beneficial effects:

1. the utility model improves the traditional electrochemical gas sensor, a dustproof ring can be detachably arranged on the air inlet hole at the upper end of the sensor body, the dustproof ring is communicated with the air inlet hole, and excessive dust and sundries are prevented from entering from the air inlet hole, so that the sensitivity of the sensor is influenced; meanwhile, the annular groove is formed in the dustproof ring, so that a user can conveniently apply force when the dustproof ring is assembled and disassembled, and the dustproof ring is more convenient and labor-saving; set up the dust cover of a non-woven fabrics material simultaneously on the dirt proof ring, the non-woven fabrics is ventilative waterproof, can realize ventilative when blockking that the dust gets into the inlet port, and the non-woven fabrics is still resistant mould simultaneously, thereby can avoid inlet port department to breed the bacterium sensor body that ages with higher speed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a front view of the present invention;

fig. 2 is a schematic structural view of the dust ring.

In the figure: 1. a sensor body; 2. an electrode; 3. an air inlet; 4. a dust ring; 5. an annular groove; 6. a dust cover; 7. a bungee cord; 8. a magnetic block; 9. and (4) a bump.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-2, an electrochemical gas sensor comprises a sensor body 1, a plurality of electrodes 2 are fixedly arranged at the bottom of the sensor body 1, an air inlet 3 is arranged at the upper end of the sensor body 1, a dust ring 4 is detachably arranged on the air inlet 3, the dust ring 4 is communicated with the air inlet 3, an annular groove 5 is arranged on the dust ring 4, a dust cover 6 is sleeved on the dust ring 4, and the dust cover 6 is made of non-woven fabrics; a dustproof ring 4 is detachably arranged on an air inlet 3 at the upper end of the sensor body 1, and the dustproof ring 4 is communicated with the air inlet 3, so that excessive dust and sundries are prevented from entering the air inlet 3, and the sensitivity of the sensor is prevented from being influenced; meanwhile, the annular groove 5 is formed in the dustproof ring 4, so that a user can conveniently apply force when the dustproof ring 4 is assembled and disassembled, and the dustproof ring is more convenient and labor-saving; set up the dust cover 6 of a non-woven fabrics material simultaneously on dirt proof ring 4, the non-woven fabrics is ventilative waterproof, can realize ventilative when blockking that the dust gets into inlet port 3, and the non-woven fabrics is still resistant mould simultaneously, thereby can avoid inlet port 3 to breed the bacterium and accelerate aging sensor body 1.

Referring to fig. 1 and 2, the dust cover 6 is sleeved in the annular groove 5 through the elastic rope 7, and the dust cover arranged on the elastic rope 7 is convenient for a user to replace the dust cover 6 which loses the filtering effect at a later stage; meanwhile, the clamping force of the elastic rope 7 arranged in the annular groove 5 is better.

Referring to fig. 1 and 2, the bottom of dust ring 4 is provided with magnetic block 8, and dust ring 4 is connected for magnetism with sensor body 1 and inhales the formula, and magnetism is inhaled the formula and is connected convenient to use person's later stage and clear up dust ring 4 dismouting.

Referring to fig. 1 and 2, a protrusion 9 is disposed on the magnetic block 8, the protrusion 9 is thicker than the magnetic block 8 and is engaged with the sensor body 1, and the protrusion 9 is disposed to prevent the dust ring 4 from moving or rotating when disposed on the sensor body 1.

Referring to fig. 2, a chamfer is provided at the bottom edge of the bump 9, and the chamfer is provided to facilitate positioning and smooth clamping of the bump 9 into the sensor body 1 when the bump is engaged with the sensor body 1.

Referring to fig. 1 and 2, the dust ring 4 is made of acrylic material, the acrylic plate has excellent transparency, is a colorless transparent organic glass plate, has light transmittance of more than 92%, excellent weather resistance and strong adaptability to natural environment, and does not change its performance even under sunlight irradiation and wind, rain and wind for a long time; the dust-free dust-proof ring is convenient for a user to carry out whether dust is accumulated inside the dust-proof ring.

When the dust-proof sensor is used, the dust-proof ring 4 is detachably arranged on the air inlet 3 at the upper end of the sensor body 1, and the dust-proof ring 4 is communicated with the air inlet 3, so that excessive dust and sundries are prevented from entering the air inlet 3, and the sensitivity of the sensor is further influenced; meanwhile, the annular groove 5 is formed in the dustproof ring 4, so that a user can conveniently apply force when the dustproof ring 4 is assembled and disassembled, and the dustproof ring is more convenient and labor-saving; set up the dust cover 6 of a non-woven fabrics material simultaneously on dirt proof ring 4, the non-woven fabrics is ventilative waterproof, can realize ventilative when blockking that the dust gets into inlet port 3, and the non-woven fabrics is still resistant mould simultaneously, thereby can avoid inlet port 3 to breed the bacterium and accelerate aging sensor body 1.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electrochemical gas sensor comprising a sensor body (1), characterized in that: the sensor comprises a sensor body (1), wherein a plurality of electrodes (2) are fixedly arranged at the bottom of the sensor body (1), an air inlet (3) is formed in the upper end of the sensor body (1), a dustproof ring (4) can be detachably arranged on the air inlet (3), the dustproof ring (4) is communicated with the air inlet (3), an annular groove (5) is formed in the dustproof ring (4), a dustproof cover (6) is sleeved on the dustproof ring (4), and the dustproof cover (6) is made of non-woven fabrics.

2. An electrochemical gas sensor according to claim 1, wherein: the dust cover (6) is sleeved in the annular groove (5) through an elastic rope (7).

3. An electrochemical gas sensor according to claim 1, wherein: the bottom of dust ring (4) is provided with magnetic path (8), dust ring (4) with sensor body (1) is for magnetism to inhale the formula and connect.

4. An electrochemical gas sensor according to claim 3, wherein: a convex block (9) is arranged on the magnetic block (8), and the thickness of the convex block (9) is larger than that of the magnetic block (8) and is clamped in the sensor body (1).

5. An electrochemical gas sensor according to claim 3, wherein: and a chamfer is arranged at the bottom edge of the bump (9).

6. An electrochemical gas sensor according to claim 1, wherein: the dustproof ring (4) is made of acrylic materials.