CN210269700U

CN210269700U - Electrochemical oil smoke sensor

Info

Publication number: CN210269700U
Application number: CN201921209045.4U
Authority: CN
Inventors: 黄杨明
Original assignee: Blue Sky White Cloud Cleaning Service Co Ltd
Current assignee: Blue Sky White Cloud Cleaning Service Co Ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-04-07
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses an electrochemical oil smoke sensor, which belongs to the technical field of electrochemical sensing and comprises a shell, a filter and an end cover, wherein the end cover comprises a capillary diffusion grid and a connecting platform, the connecting platform is fixed at the rear side of the capillary diffusion grid, and the connecting platform is in threaded connection with the shell; the connecting table is enclosed around the filter, a limiting groove is formed in the inner side of the connecting table and comprises a first sliding groove and a second sliding groove, one end of the first sliding groove penetrates through the rear side of the connecting table, the other side of the first sliding groove extends towards the direction close to the capillary diffusion grid and is connected with the second sliding groove, one end of the second sliding groove is communicated with the end part of the first sliding groove, and the other end of the second sliding groove extends along the circumferential direction of the connecting table; a limiting block is fixed on the circumferential surface of the filter, and the limiting block is respectively matched with the first sliding chute and the second sliding chute and is respectively matched with the first sliding chute and the second sliding chute in a sliding manner; stopper and spacing groove all are provided with two at least, have solved the comparatively trouble problem of filter dismouting.

Description

Electrochemical oil smoke sensor

Technical Field

The utility model relates to an electrochemistry formula sensing technology field, in particular to electrochemistry formula oil smoke sensor.

Background

Electrochemical sensors are manufactured based on ion conduction, and can be classified into potential sensors, conductivity sensors, capacitance sensors, polarographic sensors, electrolytic sensors, and the like according to the difference in electrical characteristics. The electrochemical sensor is mainly used for analyzing the measurement of parameters such as gas, liquid or solid components dissolved in the liquid, the pH value, the conductivity, the oxidation-reduction potential and the like of the liquid.

With the development of electronic technology and detection technology, various types of sensors are applied more and more widely in various industries. Sensors based on electrochemical principles have been widely used in chemical, coal, environmental, and health sectors to detect harmful gases. The electrochemical sensor can respond to various harmful gases, and has simple structure and low cost, so the electrochemical sensor plays an important role in the detection of the harmful gases.

At present, many commercial or domestic kitchens are equipped with electrochemical sensors for detecting oil smoke. In the existing electrochemical sensor, a filter is sometimes arranged in front of the sensor, and although unnecessary gas can be filtered, oil smoke particles in smoke can be attached to the filter, and after the existing electrochemical sensor is used for a long time, if the existing electrochemical sensor is not detached, cleaned or replaced, the normal use of the sensor can be influenced. However, the existing filter is usually fixed inside the sensor, and the assembly and disassembly are troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electrochemistry formula oil smoke sensor, it has solved the comparatively trouble problem of filter dismouting.

The above technical purpose of the present invention can be achieved by the following technical solutions:

an electrochemical lampblack sensor comprises a shell, a filter and an end cover, wherein the end cover comprises a capillary diffusion grid and a connecting table, the connecting table is annular and is fixed on the rear side of the capillary diffusion grid, and the connecting table is in threaded connection with the shell;

the connecting table is enclosed around the filter, a limiting groove is formed in the inner side of the connecting table and comprises a first sliding groove and a second sliding groove, one end of the first sliding groove penetrates through the rear side of the connecting table, the other side of the first sliding groove extends towards the direction close to the capillary diffusion barrier and is connected with the second sliding groove, one end of the second sliding groove is communicated with the end part of the first sliding groove, and the other end of the second sliding groove extends along the circumferential direction of the connecting table;

the filter is disc-shaped, a limiting block is fixed on the circumferential surface of the filter, and the limiting block is respectively matched with the first sliding groove and the second sliding groove and is respectively in sliding fit with the first sliding groove and the second sliding groove;

the limiting blocks and the limiting grooves are at least provided with two.

Adopt above-mentioned structure, through the rotation end cover, can dismantle the end cover from the casing, the back is dismantled to the end cover, again with the filter to being close to first spout direction rotation, make the stopper slide in first spout, treat that the stopper slides when first spout and second spout intercommunication department, outwards pull out the filter again for the stopper slides in first spout, thereby extracts the filter from the end cover, it is very convenient to dismantle. During the installation, only need aim at the stopper of filter and connect the inboard spacing groove of platform and insert, treat that the stopper slides first spout and second spout intercommunication department after, it is rotatory to second spout tip direction with the filter again, slide second spout tip until the stopper to fix the filter in the end cover, this moment alright with the end cover threaded connection on the casing can, it is comparatively convenient to install. The structure is simple and compact, the filter and the end cover can be disassembled and assembled conveniently, and the filter can be replaced and oil stains on the surface of the end cover can be cleaned conveniently.

The method is further optimized as follows: the filter includes shell and active carbon, the through-hole that is used for the flue gas to pass through is all seted up to both sides around the inside cavity of shell, the inside non-woven fabrics that is provided with of shell, the non-woven fabrics is provided with two-layerly, and one of them layer non-woven fabrics is hugged closely the shell front side, another layer the non-woven fabrics is hugged closely the shell rear side, the active carbon setting is two-layerly between the non-woven fabrics.

By adopting the structure, the oil smoke particles, formaldehyde and other gases in the smoke can be conveniently adsorbed, and the detection accuracy is improved.

The method is further optimized as follows: a rib is fixed to the rear side of the housing for gripping to rotate the filter.

Adopt above-mentioned structure, provide the starting point, the installation and the dismantlement of the filter of being convenient for.

The method is further optimized as follows: the limiting block is hemispherical, and the cross sections of the first sliding groove and the second sliding groove are both semicircular and have the same diameter as the limiting block.

By adopting the structure, the limiting block can smoothly slide in the first sliding groove and the second sliding groove, and the use is safe and reliable.

The method is further optimized as follows: the number of the limiting blocks is three, and the three limiting blocks are uniformly distributed around the filter;

the number of the limiting grooves is three, and the three limiting grooves are uniformly distributed on the inner side of the connecting table;

the limiting blocks correspond to the limiting grooves in position one to one.

By adopting the structure, the filter is stably arranged on the end cover, and the stability is better.

The method is further optimized as follows: and the middle part of the capillary diffusion grid is provided with an air vent for heat dissipation.

By adopting the structure, the heat in the sensor is conveniently dissipated to the outside, and the service life of the sensor is prolonged.

To sum up, the utility model discloses following beneficial effect has: through the rotatory end cover, can dismantle the end cover from the casing, the back is dismantled to the end cover, and it is rotatory to being close to first spout direction to grab the sand grip again, makes the stopper slide in first spout, treats that the stopper slides when first spout and second spout intercommunication department, and the outside pulling of rethread sand grip for the stopper slides in first spout, thereby extracts the filter from the end cover, and it is very convenient to dismantle. During the installation, only need aim at the three stopper of filter and connect the inboard three spacing groove of platform and insert, treat that the stopper slides when first spout and second spout intercommunication department, it is rotatory to second spout tip direction through the sand grip again, slide second spout tip until the stopper, this moment alright with end cover threaded connection on the casing can, it is comparatively convenient to install. The structure is simple and compact, the filter and the end cover can be disassembled and assembled conveniently, and the filter can be replaced and oil stains on the surface of the end cover can be cleaned conveniently.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment, which is mainly used for embodying the internal structure of an electrochemical sensor;

FIG. 2 is a schematic structural diagram of an embodiment, which is mainly used for embodying the structure of an end cover;

FIG. 3 is a schematic structural view of an embodiment, which is mainly used for embodying a mounting structure of a filter;

FIG. 4 is a schematic structural diagram of an embodiment, which is mainly used for embodying the structure of the end cover;

FIG. 5 is a schematic structural diagram of an embodiment, which is mainly used for embodying the structure of the filter;

fig. 6 is a schematic sectional view of the embodiment, mainly used for embodying the internal structure of the filter.

In the figure, 1, a housing; 2. an end cap; 21. a capillary diffusion gate; 22. a connecting table; 3. a reference motor; 4. a counter electrode; 5. an electrolyte bath; 6. a working motor; 7. a gas permeable membrane; 8. a filter; 81. a housing; 82. a through hole; 83. activated carbon; 84. non-woven fabrics; 9. air holes are formed; 10. a pin; 11. a limiting groove; 111. a first chute; 112. a second chute; 12. a convex strip; 13. and a limiting block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): an electrochemical oil smoke sensor is shown in figure 1 and comprises a shell 1, a filter 8, a pin 10, an end cover 2, a reference motor 3, a counter electrode 4, an electrolyte tank 5, a working motor 6 and a breathable film 7, wherein the reference motor 3, the counter electrode 4, the electrolyte tank 5, the working motor and the breathable film 7 are arranged in the shell 1. The reference motor 3, the counter electrode 4 and the working motor 6 are all positioned in the electrolyte tank 5, and pins 10 are electrically connected to the reference motor 3, the counter electrode 4 and the working motor 6. One end of the pin 10 is located in the housing 1, the other end of the pin extends to the outside of the housing 1, and the end caps 2 and the pin 10 are respectively located at the front end and the rear end of the housing 1. The gas permeable membrane 7 is sealed at the front end of the electrolyte tank 5 and is close to the rear side of the filter 8.

Referring to fig. 1, 2, 3, 4, 5 and 6, the front end of the housing 1 is provided with an opening, and the end cover 2 is provided at the opening of the front end of the housing 1 and is in threaded connection with the opening. The end cover 2 comprises a capillary diffusion barrier 21 and a connecting platform 22, the connecting platform 22 is annular and is fixed on the rear side of the capillary diffusion barrier 21, and the circumferential surface of the connecting platform 22 is provided with external threads used for being in threaded connection with the shell 1. The capillary diffusion grid 21 is arranged in a circular shape, and the middle part of the capillary diffusion grid is provided with an air hole 9 for heat dissipation.

Referring to fig. 1, 2, 3, 4, 5 and 6, the connecting table 22 surrounds the filter 8, and the inner side of the connecting table 22 is provided with a limiting groove 11. The limiting groove 11 includes a first sliding groove 111 and a second sliding groove 112, one end of the first sliding groove 111 penetrates the rear side of the connecting platform 22, and the other side extends in the direction close to the capillary diffusion barrier 21 and is connected with the second sliding groove 112. One end of the second sliding groove 112 is connected to the end of the first sliding groove 111, and the other end extends along the circumferential direction of the connecting base 22. The filter 8 is disc-shaped and has the same diameter as the inner diameter of the connecting table 22, a limiting block 13 is fixed on the circumferential surface of the filter 8, and the limiting block 13 is respectively matched with the first sliding groove 111 and the second sliding groove 112 and is respectively in sliding fit with the first sliding groove 111 and the second sliding groove 112. The limiting blocks 13 and the limiting grooves 11 are at least provided with two limiting blocks. Preferably, the limiting blocks 13 are three, the three limiting blocks 13 are uniformly distributed around the filter 8, the limiting grooves 11 are three, and the three limiting grooves 11 are uniformly distributed on the inner side of the connecting table 22. The positions of the limiting blocks 13 correspond to the positions of the limiting grooves 11 one by one. The limiting block 13 is hemispherical, and the cross sections of the first sliding groove 111 and the second sliding groove 112 are both semi-circles and have the same diameter as the limiting block 13.

Referring to fig. 1, 2, 3, 4, 5, 6, the filter 8 includes a housing 81 and activated carbon 83. The inside cavity of shell 81 and front and back both sides all offer the through-hole 82 that is used for the flue gas to pass through, bleeder vent 9 and through-hole 82 intercommunication. The shell 81 is internally provided with non-woven fabrics 84, the non-woven fabrics 84 are provided with two layers, one layer of non-woven fabrics 84 is tightly attached to the front side of the shell 81, the other layer of non-woven fabrics 84 is tightly attached to the rear side of the shell 81, and the activated carbon 83 is arranged between the two layers of non-woven fabrics 84. A rib 12 is fixed to the rear side of the housing 81 for gripping to rotate the filter 8.

Through rotatory end cover 2, can dismantle end cover 2 from casing 1, end cover 2 dismantles the back, it is rotatory to being close to first spout 111 direction to grab sand grip 12 in hand, make stopper 13 slide in first spout 111, treat that stopper 13 slides when first spout 111 and second spout 112 intercommunication department, pull out through sand grip 12 again, make stopper 13 slide in first spout 111, thereby extract filter 8 from end cover 2, it is very convenient to dismantle. During the installation, only need aim at three stopper 13 of filter 8 and connect the inboard three spacing groove 11 of platform 22 and insert, treat that stopper 13 slides when first spout 111 and second spout 112 intercommunication department, it is rotatory to second spout 112 tip direction through sand grip 12 again, until stopper 13 slides second spout 112 tip, this moment alright with end cover 2 threaded connection on casing 1 can, it is comparatively convenient to install.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. An electrochemical soot sensor comprising a housing (1) and a filter (8), characterized in that: the end cover (2) comprises a capillary diffusion grid (21) and a connecting table (22), the connecting table (22) is annular and is fixed on the rear side of the capillary diffusion grid (21), and the connecting table (22) is in threaded connection with the shell (1);

the connecting table (22) is enclosed around the filter (8), a limiting groove (11) is formed in the inner side of the connecting table (22), the limiting groove (11) comprises a first sliding groove (111) and a second sliding groove (112), one end of the first sliding groove (111) penetrates through the rear side of the connecting table (22), the other side of the first sliding groove extends in the direction close to the capillary diffusion barrier (21) and is connected with the second sliding groove (112), one end of the second sliding groove (112) is communicated with the end of the first sliding groove (111), and the other end of the second sliding groove extends in the circumferential direction of the connecting table (22);

the filter (8) is disc-shaped, a limiting block (13) is fixed on the circumferential surface of the filter, and the limiting block (13) is respectively matched with the first sliding chute (111) and the second sliding chute (112) and is respectively in sliding fit with the first sliding chute (111) and the second sliding chute (112);

the limiting blocks (13) and the limiting grooves (11) are at least provided with two.

2. An electrochemical soot sensor as in claim 1, wherein: filter (8) are including shell (81) and active carbon (83), through-hole (82) that are used for the flue gas to pass through are all offered to both sides around and to the inside cavity of shell (81), shell (81) inside is provided with non-woven fabrics (84), non-woven fabrics (84) are provided with two-layerly, and wherein one deck non-woven fabrics (84) are hugged closely shell (81) front side, another layer non-woven fabrics (84) are hugged closely shell (81) rear side, active carbon (83) set up two-layerly between non-woven fabrics (84).

3. An electrochemical soot sensor as in claim 2, wherein: a convex strip (12) is fixed on the rear side of the shell (81) and used for being grasped so as to enable the filter (8) to rotate.

4. An electrochemical soot sensor as in claim 1, wherein: the limiting block (13) is hemispherical, the cross sections of the first sliding groove (111) and the second sliding groove (112) are semicircular, and the diameters of the first sliding groove and the second sliding groove are the same as those of the limiting block (13).

5. An electrochemical soot sensor as in claim 4, wherein: three limiting blocks (13) are arranged, and the three limiting blocks (13) are uniformly distributed around the filter (8);

the number of the limiting grooves (11) is three, and the three limiting grooves (11) are uniformly distributed on the inner side of the connecting table (22);

the positions of the limiting blocks (13) are in one-to-one correspondence with the positions of the limiting grooves (11).

6. An electrochemical soot sensor as in claim 1, wherein: and the middle part of the capillary diffusion grid (21) is provided with an air vent (9) for heat dissipation.