CN213091548U

CN213091548U - Sensor for detecting gas content based on electrochemical principle

Info

Publication number: CN213091548U
Application number: CN202021794090.3U
Authority: CN
Inventors: 靳亚龙; 穆庆辉; 吴勐
Original assignee: Shanghai Songbai Sensor Technology Co ltd
Current assignee: Shanghai Songbai Sensor Technology Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-04-30
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses a sensor for detecting gas content by electrochemical principle, which comprises a box body, a sensor body and a display window, the sensor body is positioned in the box body, the display window is arranged on the sensor body, the alarm is arranged on one side of the sensor body, the bracket is arranged at the lower end of the sensor body, the side grooves are arranged on two sides of the bracket, the lower ends of the side grooves are fixedly connected with the movable blocks, when in use, the bracket is clamped by the side grooves by utilizing the elasticity of the spring, thereby realizing the installation of the sensor body, when in detection, air passes through the shutter on the box body and enters the inner shell from the air holes, the structure allows a proper amount of gas to react with the electrode to form a sufficient electric signal, and can effectively prevent electrolyte from leaking out of the sensor.

Description

Sensor for detecting gas content based on electrochemical principle

Technical Field

The utility model relates to a sensor technical field specifically is a gas content's sensor is detected to electrochemistry principle.

Background

The sensor is a detection device, can feel the measured information, and can convert the felt information into an electric signal or other information output in a required form according to a certain rule so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like, and the sensor is characterized by comprising: miniaturization, digitalization, intellectualization, multifunction, systematization and networking. The method is the first link for realizing automatic detection and automatic control. The existence and development of the sensor enable the object to have the senses of touch, taste, smell and the like, and the object slowly becomes alive. Generally, the sensor is classified into ten categories, i.e., a thermosensitive element, a photosensitive element, a gas-sensitive element, a force-sensitive element, a magnetic-sensitive element, a humidity-sensitive element, a sound-sensitive element, a radiation-sensitive element, a color-sensitive element, and a taste-sensitive element, according to their basic sensing functions.

Electrochemistry is the science of the electrified interface phenomenon that two kinds of conductors formed and the change that takes place on it, utilizes the electrochemical principle to detect gas content, can realize real-time supervision to the accuracy is higher, and current sensor lacks protection device, and the detection mouth on the sensor is blockked up by the dust of air easily, causes the unable normal use of sensor. Therefore, those skilled in the art have provided a sensor for detecting gas content based on electrochemical principles to solve the above-mentioned problems in the background art.

Disclosure of Invention

An object of the utility model is to provide a gas content's sensor is detected to electrochemistry principle to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a sensor that electrochemistry principle detected gas content, includes box, sensor body and display window, the sensor body is located the inside of box, is equipped with the display window on the sensor body, and the alarm is installed to one side of sensor body, and the lower extreme department of sensor body installs the support, and the both sides of support are equipped with the limit groove, limit groove lower extreme fixed connection movable block, and the middle part cartridge of movable block has the slide bar, and slide bar perpendicular to limit groove, the inner wall of the both ends fixed connection box of slide bar, movable block sliding connection slide bar, and be equipped with the spring between the inner wall of movable block and box, spring suit slide bar.

As the utility model discloses scheme further again, the supporting leg is installed to the four corners department of box lower extreme, and the apron is installed in the top department of box, and the apron upper end is equipped with the handle, and the apron passes through the hinge rotation and connects the box.

As a further proposal, the observation window is installed at the front end of the box body.

As the utility model discloses scheme further again, the inside inner shell that is equipped with of sensor body, seted up the bleeder vent in the inner shell, bleeder vent lower extreme department is equipped with the filter, and the lower extreme department of filter is equipped with the ventilated membrane, and the lower extreme of ventilated membrane is equipped with working electrode, and the left side of working electrode below is equipped with the counter electrode, and the right side of working electrode below is equipped with the reference electrode, and working electrode, counter electrode and reference electrode inboard splendid attire have the electrolyte.

As the utility model discloses further scheme again, inner shell lower extreme department installs the pin, working electrode, counter electrode and reference electrode electric connection pin.

As a further proposal, the side groove is perpendicular to the movable block, and the movable block is a cubic structure.

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

1. during the use, open the pulling handle, open the apron, insert the support in the limit groove, limit groove and movable block move to the direction of box inner wall, the spring is compressed, utilize the elasticity of spring, make the limit groove press from both sides the support and press from both sides tightly, thereby realize the installation of sensor body, during the detection, the air passes the shutter on the box, and get into the inner shell from the bleeder vent, react gas and sensor, pass filter and ventilated membrane, reach working electrode at last, counter electrode and reference electrode surface, the design of this structure, allow appropriate amount of gas and electrode to react, in order to form abundant signal of telecommunication, can effectively prevent that the electrolyte from spilling the sensor simultaneously.

2. The box that the sensor body outside set up plays the effect of protection to the sensor body, prevents that the dust in the air from dropping on venthole department, causes the jam of bleeder vent to the life of extension sensor body.

Drawings

Fig. 1 is a schematic structural diagram of a sensor for detecting gas content by an electrochemical principle.

Fig. 2 is a schematic structural diagram of a box in a sensor for detecting gas content by an electrochemical principle.

FIG. 3 is a schematic diagram of the internal structure of an inner shell of a sensor for detecting gas content based on electrochemical principles.

FIG. 4 is a top view of the edge groove and the movable block of a sensor for detecting gas content based on electrochemical principles.

In the figure: 1-box, 2-sensor body, 3-display window, 4-alarm, 5-support, 6-side groove, 7-movable block, 8-slide bar, 9-spring, 10-supporting leg, 11-cover plate, 12-handle, 13-hinge, 14-shutter, 15-observation window, 16-inner shell, 17-air hole, 18-filter, 19-air-permeable membrane, 20-working electrode, 21-counter electrode, 22-reference electrode and 23-base pin.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, in an embodiment of the present invention, a sensor for detecting gas content based on an electrochemical principle includes a case 1, a sensor body 2 and a display window 3, the sensor body 2 is located inside the case 1, the display window 3 is disposed on the sensor body 2, an alarm 4 is mounted on one side of the sensor body 2, a bracket 5 is mounted at a lower end of the sensor body 2, side grooves 6 are disposed on two sides of the bracket 5, a movable block 7 is fixedly connected to a lower end of the side groove 6, a slide bar 8 is inserted into a middle portion of the movable block 7, the slide bar 8 is perpendicular to the side groove 6, two ends of the slide bar 8 are fixedly connected to an inner wall of the case 1, the movable block 7 is slidably connected to the slide bar 8, a spring 9 is disposed between the movable block 7 and the inner wall of the case 1, the slide bar 8 is sleeved by the spring 9, support legs 10 are mounted, the upper end of the cover plate 11 is provided with a handle 12, and the cover plate 11 is rotatably connected with the box body 1 through a hinge 13.

Referring to fig. 2, the front end of the box body 1 is provided with an observation window 15.

Referring to fig. 3, an inner shell 16 is arranged inside the sensor body 2, an air vent 17 is formed in the inner shell 16, a filter 18 is arranged at the lower end of the air vent 17, an air permeable membrane 19 is arranged at the lower end of the filter 18, a working electrode 20 is arranged at the lower end of the air permeable membrane 19, a counter electrode 21 is arranged on the left side below the working electrode 20, a reference electrode 22 is arranged on the right side below the working electrode 20, electrolyte is contained inside the working electrode 20, the counter electrode 21 and the reference electrode 22, a pin 23 is arranged at the lower end of the inner shell 16, and the working electrode 20, the counter electrode 21 and the reference electrode 22 are electrically.

Referring to fig. 4, the side groove 6 is perpendicular to the movable block 7, and the movable block 7 is in a cubic structure.

The utility model discloses a theory of operation is:

when the structure is used, the pull handle 12 is opened, the cover plate 11 is opened, the bracket 5 is inserted into the side groove 6, the side groove 6 and the movable block 7 move towards the inner wall of the box body 1, the spring 9 is compressed, the side groove 6 clamps the bracket 5 by utilizing the elasticity of the spring 9, so that the installation of the sensor body 2 is realized, when in detection, air passes through the shutter 14 on the box body 1 and enters the inner shell 16 from the air hole 17 to react with the sensor, passes through the filter 18 and the breathable film 19 and finally reaches the surfaces of the working electrode 20, the counter electrode 21 and the reference electrode 22, the structure design allows a proper amount of gas to react with the electrodes to form a sufficient electric signal, and simultaneously can effectively prevent electrolyte from leaking out of the sensor, the box body 1 arranged on the outer side of the sensor body 2 plays a role of protecting the sensor body 2 and prevents dust in the air from falling at the air hole 17, causing the clogging of the airing hole 17 and thus extending the service life of the sensor body 2.

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. The sensor for detecting the gas content by the electrochemical principle comprises a box body (1), a sensor body (2) and a display window (3), and is characterized in that the sensor body (2) is positioned inside the box body (1), the display window (3) is arranged on the sensor body (2), an alarm (4) is installed on one side of the sensor body (2), a support (5) is installed at the lower end of the sensor body (2), side grooves (6) are formed in two sides of the support (5), a movable block (7) is fixedly connected to the lower end of each side groove (6), a sliding rod (8) is inserted into the middle of each movable block (7), the sliding rod (8) is perpendicular to each side groove (6), two ends of each sliding rod (8) are fixedly connected to the inner wall of the box body (1), each movable block (7) is slidably connected with the corresponding sliding rod (8), and a spring (9) is arranged between each movable block (7) and the, the spring (9) is sleeved with the sliding rod (8).

2. The sensor for detecting the gas content by the electrochemical principle according to claim 1, wherein supporting legs (10) are installed at four corners of the lower end of the box body (1), a cover plate (11) is installed at the top end of the box body (1), a handle (12) is arranged at the upper end of the cover plate (11), and the cover plate (11) is rotatably connected with the box body (1) through a hinge (13).

3. An electrochemical sensor for detecting gas content according to claim 1, characterized in that the front end of the housing (1) is provided with a viewing window (15).

4. The sensor for detecting the gas content according to the electrochemical principle of claim 1, wherein an inner shell (16) is arranged inside the sensor body (2), an air vent (17) is formed in the inner shell (16), a filter (18) is arranged at the lower end of the air vent (17), a breathable membrane (19) is arranged at the lower end of the filter (18), a working electrode (20) is arranged at the lower end of the breathable membrane (19), a counter electrode (21) is arranged on the left side below the working electrode (20), a reference electrode (22) is arranged on the right side below the working electrode (20), and electrolyte is contained inside the working electrode (20), the counter electrode (21) and the reference electrode (22).

5. The electrochemical sensor for detecting gas content according to claim 4, characterized in that a pin (23) is installed at the lower end of the inner casing (16), and the working electrode (20), the counter electrode (21) and the reference electrode (22) are electrically connected with the pin (23).

6. The sensor for detecting the gas content according to the electrochemical principle of claim 1, characterized in that the side groove (6) is perpendicular to the movable block (7), and the movable block (7) is in a cubic structure.