CN220709030U

CN220709030U - Sensor

Info

Publication number: CN220709030U
Application number: CN202322313771.3U
Authority: CN
Inventors: 吴波; 汪程
Original assignee: Anhui Mopai Electronic Technology Co ltd
Current assignee: Anhui Mopai Electronic Technology Co ltd
Priority date: 2023-08-28
Filing date: 2023-08-28
Publication date: 2024-04-02
Anticipated expiration: 2033-08-28

Abstract

The application provides a sensor, relates to infrared gas sensor field. The sensor comprises a bottom plate, a capping mechanism and a detection mechanism, wherein one side of the bottom of the capping mechanism is fixedly connected with a disassembly and assembly mechanism for facilitating disassembly and maintenance of the sensor, the disassembly and assembly mechanism comprises a moving plate and a connecting plate, the top of the moving plate is fixedly connected with one side of the top of the capping mechanism, one side of the top of the connecting plate is attached to the bottom of the moving plate, the capping mechanism is arranged above the bottom plate, the disassembly and assembly mechanism is in sliding connection with the bottom plate, and the detection mechanism is fixedly connected with the top of the bottom plate. According to the sensor, the dismounting mechanism is arranged, when the sensor needs to be overhauled, the moving plate is separated from the connecting plate with the screw rod in threaded connection with the center by the rotating bolt, the top sealing mechanism fixedly connected with the top of the moving plate is taken down to overhaul the inside of the sensor, the sensor can be continuously used after the overhauling is finished under the condition that the shell is not damaged, the cost performance of the sensor is improved, and the use cost is reduced.

Description

Sensor

Technical Field

The application relates to the technical field of infrared gas sensors, in particular to a sensor.

Background

An infrared gas sensor is a gas sensing device which selects absorption characteristics based on near infrared spectrums of different gas molecules, and utilizes the relation between gas concentration and absorption intensity to identify gas components and determine the concentration of the gas components. In recent years, the living standard of people is continuously improved, the air quality is concerned, and the body is sometimes hurt by the concentration of each gas in the air, so that various sensors are arranged in a room or a car to detect the concentration of the gas so as to control a fresh air system or internal and external circulation, and the health of people is protected.

The patent number CN218470532U discloses an NDIR infrared gas sensor, and the light path of the NDIR infrared gas sensor adopts 5 reflections to form a W-shaped light path, so that the infrared rays pass through the detected gas for many times, the contact rate of the light rays and the detected gas is improved, and the detected gas atoms absorb energy to vibrate and rotate, thereby improving the absorptivity of light intensity, increasing the stepping length on each grid of precision, and ensuring that the precision measurement is more accurate and stable. Meanwhile, the cost is better through structural optimization. However, if the sensor is of a fully-closed design and has problems in the inside, the shell needs to be broken strongly from the outside and cannot be restored, so that the sensor is a disposable product, and has low cost performance and high use cost.

Disclosure of Invention

(one) solving the technical problems

In view of the shortcomings of the prior art, the present application provides a sensor that solves the problems mentioned in the background art.

(II) technical scheme

In order to achieve the above purpose, the present application is implemented by the following technical schemes: the utility model provides a sensor, includes the bottom plate, is used for making the inside mechanism that seals up that is in the confined state of sensor and the detection mechanism that is used for detecting gas, mechanism bottom one side fixedly connected with that seals up is used for being convenient for the sensor to dismantle the dismouting mechanism of overhauling, dismouting mechanism includes movable plate and connecting plate, movable plate top and mechanism top one side fixed connection that seals up, connecting plate top one side laminating movable plate bottom, mechanism that seals up sets up in the bottom plate top, dismouting mechanism and bottom plate sliding connection, detection mechanism and bottom plate top fixed connection.

Through adopting above-mentioned technical scheme, can utilize the connecting plate to reciprocate and drive the movable plate and reciprocate and dismantle the sensor, conveniently overhaul inside.

Preferably, the dismounting mechanism further comprises a bolt and a screw rod, the bolt is sequentially connected with the connecting plate and the bottom of the movable plate in a threaded manner, and the screw rod is connected with the center of the connecting plate in a threaded manner.

Through adopting above-mentioned technical scheme, can utilize the bolt to be connected connecting plate and movable plate to break off the connecting plate and the convenience of being connected of movable plate removes the mechanism that seals up when the sensor overhauls, rotate the screw rod and drive the connecting plate and reciprocate and utilize the threaded connection of screw rod and connecting plate, prevent to appear the gap with the mechanism that seals up of movable plate top fixed connection and enclose between the frame.

Preferably, the number of the moving plates is four.

By adopting the technical scheme, the force for driving the capping mechanism to attach to the top of the enclosure frame is uniform when the dismounting mechanism moves downwards by using the four moving plates.

Preferably, the bottom plate top fixedly connected with encloses the frame, enclose the frame inside and seted up and remove the chamber, it passes the bottom plate bottom to remove the chamber, the movable plate is located and removes the intracavity portion and rather than sliding connection, bottom plate bottom fixedly connected with connecting pipe, connecting pipe inner wall and screw rod top rotate to be connected.

Through adopting above-mentioned technical scheme, can utilize the sliding connection who encloses the inside movable chamber of seting up of frame and movable plate to strengthen the inside closure of light reflection when detecting gas of sensor to utilize the screw rod rotation of being connected with the connecting pipe inner wall to rotate and drive dismouting mechanism and reciprocate.

Preferably, the capping mechanism comprises an upper cover and a sealing ring, wherein the bottom of the upper cover is fixedly connected with the top of the movable plate, the side surface of the upper cover is fixedly connected with an outer sealing plate, the center of the bottom of the upper cover is fixedly connected with a ventilation plate, the center of the top of the upper cover is fixedly connected with a waterproof ventilation film, and the top of the sealing ring is fixedly connected with the bottom of the upper cover.

Through adopting above-mentioned technical scheme, can utilize sealing washer and outer shrouding reinforcing sensor inside to detect the airtight of time light reflection to utilize waterproof ventilated membrane and ventilative board to make the air in the environment get into the sensor inside and detect.

Preferably, the detection mechanism comprises a light source and a first reflecting surface, the light source is fixedly connected with the right upper corner of the top of the bottom plate, the second reflecting surface is fixedly connected with the center of the top of the bottom plate, the receiver is fixedly connected with the left lower corner of the bottom plate, the first reflecting surface is fixedly connected with one side of the bottom of the upper cover, and the other side of the bottom of the upper cover and the first reflecting surface are positioned on the same right-angle diagonal line and are fixedly connected with a third reflecting surface through center symmetry positions of two right-angle diagonal line center points with the first reflecting surface.

Through adopting above-mentioned technical scheme, can utilize lamp source, first reflecting surface, second reflecting surface, third reflecting surface and acceptor to make the detection light form M shape circuit, let infrared ray pass through the gas of being detected many times, improve the light and the contact rate of gas of being detected.

(III) beneficial effects

The application provides a sensor. The beneficial effects are as follows:

1. according to the sensor, the dismounting mechanism is arranged, when the sensor needs to be overhauled, the moving plate is separated from the connecting plate with the screw rod in threaded connection with the center by the rotating bolt, the top sealing mechanism fixedly connected with the top of the moving plate is taken down to overhaul the inside of the sensor, the sensor can be continuously used after the overhauling is finished under the condition that the shell is not damaged, the cost performance of the sensor is improved, and the use cost is reduced.

2. This sensor, through setting up detection mechanism, the light that distributes through the lamp source is formed M shape refracting light by first reflecting surface, second reflecting surface and third reflecting surface in proper order and is penetrated into the receiver and detect, improves the light and is detected gaseous contact ratio, improves the absorptivity to the light intensity, makes the precision measurement more accurate, and is stable, through structural optimization, the realization cost is more excellent.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from them without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic top view of the present application;

FIG. 2 is a schematic view of the bottom outline structure of the present application;

FIG. 3 is an enlarged schematic view of the portion A of FIG. 2 of the present application;

FIG. 4 is a schematic view of a right side view of the present application;

FIG. 5 is an enlarged schematic view of part B of FIG. 4 of the present application;

FIG. 6 is a schematic view of a right-side top-view cross-sectional structure of the present application;

fig. 7 is an enlarged schematic view of the C part of fig. 6 of the present application.

In the figure: 1. a bottom plate; 101. a moving chamber; 102. a connecting pipe; 2. a surrounding frame; 3. a capping mechanism; 301. an upper cover; 302. a seal ring; 303. an outer sealing plate; 304. a ventilation plate; 305. a waterproof breathable film; 4. a disassembly and assembly mechanism; 401. a moving plate; 402. a connecting plate; 403. a bolt; 404. a screw; 5. a detection mechanism; 501. a light source; 502. a first reflecting surface; 503. a second reflecting surface; 504. a third reflective surface; 505. a receiver.

Detailed Description

It should be noted that, in the description of the embodiments of the present application, the terms "front, rear", "left, right", "upper, lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. The terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

The present application is further elaborated by the following figures and examples.

Referring to fig. 1, fig. 2, fig. 3 and fig. 5, the embodiment of the application provides a sensor, including bottom plate 1, be used for making the inside closed state's of sensor capping mechanism 3 and be used for detecting gaseous detection mechanism 5, capping mechanism 3 bottom one side fixedly connected with is used for being convenient for the dismouting mechanism 4 of sensor dismantlement maintenance, dismouting mechanism 4 includes movable plate 401 and connecting plate 402, movable plate 401 top and capping mechanism 3 top one side fixed connection, movable plate 401 bottom is laminated to connecting plate 402 top one side, connecting plate 402 and movable plate 401 bottom threaded connection have bolt 403, connecting plate 402 center department threaded connection has screw 404, movable plate 401 quantity is four, capping mechanism 3 sets up in bottom plate 1 top, dismouting mechanism 4 and bottom plate 1 sliding connection, detection mechanism 5 and bottom plate 1 top fixed connection, rotation bolt 403 makes movable plate 401 and center department threaded connection have the connecting plate 402 separation of screw 404, take off and overhaul mechanism 3 to the inside of sensor with movable plate 401 top fixed connection.

Referring to fig. 4 and 5, in one aspect of the present embodiment, a surrounding frame 2 is fixedly connected to the top of the bottom plate 1, a moving cavity 101 is formed inside the surrounding frame 2, the moving cavity 101 passes through the bottom of the bottom plate 1, a moving plate 401 is located inside the moving cavity 101 and is slidingly connected with the moving cavity, a connecting pipe 102 is fixedly connected to the bottom of the bottom plate 1, the inner wall of the connecting pipe 102 is rotationally connected with the top of a screw 404, the sealing performance of light reflection during detection of gas inside a sensor is enhanced by using the sliding connection between the moving cavity 101 formed inside the surrounding frame 2 and the moving plate 401, and the screw 404 rotationally connected with the inner wall of the connecting pipe 102 is used to rotate to drive the dismounting mechanism 4 to move up and down.

Referring to fig. 6 and 7, in an aspect of the present embodiment, the capping mechanism 3 includes an upper cover 301 and a sealing ring 302, the bottom of the upper cover 301 is fixedly connected with the top of the moving plate 401, the side surface of the upper cover 301 is fixedly connected with an outer sealing plate 303, the center of the bottom of the upper cover 301 is fixedly connected with a ventilation plate 304, the center of the top of the upper cover 301 is fixedly connected with a waterproof ventilation film 305, the top of the sealing ring 302 is fixedly connected with the bottom of the upper cover 301, the sealing ring 302 fixedly connected with the bottom of the upper cover 301 and the upper cover 301 are fixedly connected with the surface of the upper cover 301, the upper cover 301 of the outer sealing plate 303 prevents light from entering the side surface of the sensor, and external air sequentially enters the sensor through the waterproof ventilation film 305 and the ventilation plate 304 fixedly connected with the center of the upper cover 301.

Referring to fig. 4 and 6, in an aspect of the present embodiment, the detection mechanism 5 includes a light source 501 and a first reflecting surface 502, the light source 501 is fixedly connected to the top right upper corner of the bottom plate 1, a second reflecting surface 503 is fixedly connected to the center of the top of the bottom plate 1, a receiver 505 is fixedly connected to the bottom left lower corner of the bottom plate 1, the first reflecting surface 502 is fixedly connected to one side of the bottom of the upper cover 301, the other side of the bottom of the upper cover 301 is located on the same right angle diagonal line with the first reflecting surface 502, and a third reflecting surface 504 is fixedly connected to the first reflecting surface 502 through the center point center symmetry of the two right angle diagonal lines, and light emitted by the light source 501 is sequentially reflected into the receiver 505 by the first reflecting surface 502, the second reflecting surface 503 and the third reflecting surface 504 to form M-shaped refractive light.

All the electric equipment in this scheme all carry out the power supply through external power supply.

Working principle: when the sensor is used, the sealing ring 302 fixedly connected with the bottom of the upper cover 301 and the upper cover 301 fixedly connected with the outer sealing plate 303 are fixedly connected with the surface of the upper cover 301, the light rays on the side face of the sensor are prevented from being shot into the sensor, external air sequentially passes through the waterproof breathable film 305 and the breathable plate 304 fixedly connected with the center of the upper cover 301, the light rays emitted by the light source 501 are sequentially emitted into the sensor by the first reflecting surface 502, the second reflecting surface 503 and the third reflecting surface 504 to form M-shaped refractive light rays, the light rays are emitted into the receiver 505 to be detected, and when the sensor has a problem and needs to be overhauled, the moving plate 401 is separated from the connecting plate 402 with the screw 404 in the center by rotating the bolt 403, and the capping mechanism 3 fixedly connected with the top of the moving plate 401 is taken down to overhauling the inside of the sensor.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A sensor comprising a base plate (1), a capping mechanism (3) for bringing the inside of the sensor into a closed state and a detection mechanism (5) for detecting a gas, characterized in that: the utility model discloses a sensor disassembly and assembly mechanism, including mechanism (3) and mechanism (4) are closed up, mechanism (3) are closed up bottom one side fixedly connected with is used for being convenient for the sensor to dismantle dismouting mechanism (4), dismouting mechanism (4) are including movable plate (401) and connecting plate (402), movable plate (401) top and mechanism (3) are closed up top one side fixedly connected with, connecting plate (402) top one side laminating movable plate (401) bottom, mechanism (3) are closed up to set up in bottom plate (1) top, dismouting mechanism (4) and bottom plate (1) sliding connection, detection mechanism (5) and bottom plate (1) top fixed connection.

2. A sensor according to claim 1, wherein: the dismounting mechanism (4) further comprises a bolt (403) and a screw rod (404), the bolt (403) is sequentially connected with the connecting plate (402) and the bottom of the movable plate (401) in a threaded mode, and the screw rod (404) is connected with the center of the connecting plate (402) in a threaded mode.

3. A sensor according to claim 2, wherein: the number of the moving plates (401) is four.

4. A sensor according to claim 2, wherein: the utility model discloses a portable electronic device, including bottom plate (1), connecting pipe (102), movable cavity (101) have been seted up to enclosing frame (2) top fixedly connected with, enclosing frame (2) inside, movable cavity (101) pass bottom plate (1) bottom, movable plate (401) are located inside movable cavity (101) and rather than sliding connection, bottom plate (1) bottom fixedly connected with connecting pipe (102), connecting pipe (102) inner wall and screw rod (404) top rotate to be connected.

5. A sensor according to claim 1, wherein: the top sealing mechanism (3) comprises an upper cover (301) and a sealing ring (302), wherein the bottom of the upper cover (301) is fixedly connected with the top of the movable plate (401), the side surface of the upper cover (301) is fixedly connected with an outer sealing plate (303), the center of the bottom of the upper cover (301) is fixedly connected with a ventilation plate (304), the center of the top of the upper cover (301) is fixedly connected with a waterproof breathable film (305), and the top of the sealing ring (302) is fixedly connected with the bottom of the upper cover (301).

6. A sensor according to claim 1, wherein: the detection mechanism (5) comprises a light source (501) and a first reflecting surface (502), the light source (501) is fixedly connected with the top right upper corner of the bottom plate (1), a second reflecting surface (503) is fixedly connected to the center of the top of the bottom plate (1), a receiver (505) is fixedly connected to the bottom left lower corner of the bottom plate (1), the first reflecting surface (502) is fixedly connected with one side of the bottom of the upper cover (301), and the other side of the bottom of the upper cover (301) and the first reflecting surface (502) are located on the same right-angle diagonal line and are fixedly connected with a third reflecting surface (504) through center symmetry of two right-angle diagonal line center points.