CN220104993U

CN220104993U - Packaging structure of gas flow sensor

Info

Publication number: CN220104993U
Application number: CN202321462003.8U
Authority: CN
Inventors: 陈育中; 姬寓; 黄春皓
Original assignee: Nanjing Higher Vocational And Technical School (jiangsu United Vocational And Technical College Nanjing Branch)
Current assignee: Nanjing Higher Vocational And Technical School (jiangsu United Vocational And Technical College Nanjing Branch)
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2023-11-28
Anticipated expiration: 2033-06-08

Abstract

The utility model relates to the technical field of sensor packaging structures, and particularly discloses a gas flow sensor packaging structure which comprises a main body, a fan, a clamping sleeve, a chip, a metal rod and a heat insulation plate, wherein a ventilating plate is arranged at the upper end of the main body, the fan is arranged in the middle of the back of the ventilating plate, a fixing plate is fixedly connected between a first cavity and a second cavity, the chip is arranged in the middle of the fixing plate, a plurality of second grooves are formed in the surface of the middle of the main body, the fixing rod is fixedly connected with the main body, torsion springs are symmetrically arranged on the surface of the fixing rod, one end of each torsion spring is fixedly connected with the main body, an inclined wedge is fixedly connected with the other end of each torsion spring, a movable shaft is arranged at the upper end of each inclined wedge, the top end of each movable shaft is nested on the surface of the fixing rod, and the clamping sleeve is arranged on the surface of the lower end of the main body.

Description

Packaging structure of gas flow sensor

Technical Field

The utility model relates to the technical field of sensor packaging structures, in particular to a gas flow sensor packaging structure.

Background

A gas flow sensor is a device that detects a specific component in a gas by a certain principle and converts the detected certain signal into an appropriate electrical signal. With increasing importance of human beings on environmental protection, pollution, public safety and other problems, and increasing demands of people on living standards, gas sensors are widely applied to different fields.

The utility model discloses a sensor structure in which a shell and a substrate are enclosed to form the packaging structure, the difficulty in opening holes in the shell is reduced, and meanwhile, foreign matters in the environment can be effectively prevented from entering the packaging structure by arranging at least one micropore in a thinning part, but the structure cannot effectively adjust the depth of the sensor inserted into the device according to the size of a space in the device, so that the working accuracy of the sensor is not guaranteed, and the air in the device is difficult to exchange with the air outside only through the opened micropore, so that the problems of difficulty in timely and effectively detecting the external environmental gas and the like are solved.

Disclosure of Invention

The present utility model is directed to a gas flow sensor package structure, which solves the above-mentioned problems of the related art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a gas flow sensor packaging structure, includes main part, fan, cutting ferrule, chip, metal pole and heat insulating board, the main part upper end is equipped with the ventilating board, the main part upper surface is equipped with first fluting, the ventilating board lower extreme is arranged in first fluting, be equipped with the fan in the middle of the ventilating board back, the inside first cavity and the second cavity of being equipped with of main part, fixedly connected with fixed plate between first cavity and the second cavity, be equipped with the chip in the middle of the fixed plate, the fixed plate runs through a plurality of metal head, chip and metal head pass through metal wire fixed connection, the metal head lower extreme is connected with the metal pole, the metal pole is arranged in the second cavity, the metal pole bottom is through metal head and receiving board fixed connection, main part middle part surface is equipped with a plurality of second fluting, the second fluting upper end is equipped with the dead lever, dead lever and main part fixed connection, torsional spring one end and main part fixed connection, other end fixedly connected with wedge, the inclined wedge upper end is equipped with the inclined shaft, the cutting ferrule lower extreme is equipped with the metal pole, the inclined plane is equipped with on the movable shaft, the inclined plane is equipped with a plurality of fixed surface of cutting ferrule, the fixed surface is equipped with the inclined plane.

Preferably, the upper end and the lower end of the metal head are respectively arranged in the first cavity and the second cavity.

Preferably, the side wall of the first cavity is provided with a plurality of air outlets.

Preferably, a plurality of heat insulation boards are arranged in the second cavity, and the heat insulation boards are fixedly connected with the inner wall of the cavity.

Preferably, the outer surface of the main body and the inner surface of the clamping sleeve are provided with threads, and the inner side of the clamping sleeve is connected with the outer side of the main body through threads.

Compared with the prior art, the utility model has the beneficial effects that: the main part top is equipped with the fan, and both sides are equipped with the air outlet, can detect through circulating gas, and the main part surface is equipped with sloping wedge and cutting ferrule, can fix the suitability comparatively extensive on the equipment of different degree of depth with this structure, is equipped with a plurality of heat insulating board in the cavity, prevents that gas temperature from too high influence signal transmission, uses multichannel heat insulating board layer upon layer thermal-insulated.

Drawings

FIG. 1 is a schematic front perspective view of the present utility model;

FIG. 2 is a schematic top view of a partial perspective view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model;

fig. 4 is a schematic view of a partial perspective structure of the present utility model.

In the figure: 1. a main body; 2. a ventilation board; 3. a fan; 4. an air outlet; 5. a cutting sleeve; 6. a receiving plate; 7. a first slot; 8. a second slot; 9. a third slot; 10. a chip; 11. a fixing plate; 12. a metal wire; 13. a metal head; 14. a metal rod; 15. a fixed rod; 16. a movable shaft; 17. a torsion spring; 18. wedge block; 19. a first cavity; 20. a second cavity; 21. a heat insulating plate; 22. a rubber pad; 23. and (5) screw threads.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a gas flow sensor packaging structure, including main part 1, the fan 3, the cutting ferrule 5, chip 10, metal pole 14 and heat insulating board 21, main part 1 upper end is equipped with ventilation board 2, main part 1 upper surface is equipped with first fluting 7, ventilation board 2 lower extreme is arranged in first fluting 7, be equipped with fan 3 in the middle of ventilation board 2 the back, the inside first cavity 19 and the second cavity 20 of being equipped with of main part 1, fixedly connected with fixed plate 11 between first cavity 19 and the second cavity 20, be equipped with chip 10 in the middle of the fixed plate 11, fixed plate 11 runs through a plurality of metal head 13, chip 10 and metal head 13 pass through metal wire 12 fixed connection, metal head 13 lower extreme is connected with metal pole 14, metal pole 14 is arranged in second cavity 20, metal pole 14 bottom is through metal head 13 and receiving board 6 fixed connection, main part 1 middle part surface is equipped with a plurality of second fluting 8, second fluting 8 upper end is equipped with dead lever 15, dead lever 15 and main part 1 fixed connection, the dead lever 15 surface symmetry is equipped with torsional spring 17, 17 one end and main part 1 fixed connection, 17 other end fixed connection is equipped with inclined wedge 15, 16 top surface 13 is equipped with inclined wedge 15, surface fixed connection 13 is equipped with inclined wedge 15, 13, surface is equipped with inclined wedge 15, surface 16 is fixed connection is equipped with inclined plane 15, and movable wedge 15 is fixed surface is fixed with 5.

Further, the upper and lower ends of the metal head 13 are respectively disposed in the first cavity 19 and the second cavity 20.

Further, the side wall of the first cavity 19 is provided with a plurality of air outlets 4, so that air circulation is facilitated.

Further, a plurality of heat insulation plates 21 are arranged in the second cavity 20, and the heat insulation plates 21 are fixedly connected with the inner wall of the second cavity 20, so that the influence of the excessive gas temperature on the signal transmission of the metal rod 14 is prevented.

Further, the outer surface of the main body 1 and the inner surface of the cutting sleeve 5 are provided with threads 23, and the inner side of the cutting sleeve 5 is connected with the outer side of the main body 1 through the threads 23.

Working principle: the structure is placed in a proper position of an equipment hole, the cutting sleeve 5 is rotated through the third slot 9, the bottom surface of the inclined wedge 18 is attached to the inner wall of the equipment, the rubber pad 22 on the inclined surface of the cutting sleeve 5 is extruded, the structure is fixedly connected with the equipment, the fan 3 is rotated, gas is sucked, and the gas is discharged through the air outlet 4, so that the gas circularly enters the first cavity 19 for detection.

Although embodiments of the present utility model 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 spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a gas flow sensor packaging structure, includes main part (1), fan (3), cutting ferrule (5), chip (10), metal pole (14) and heat insulating board (21), its characterized in that: the utility model discloses a novel fan, including main part (1), ventilation board (2), main part (1) upper end is equipped with ventilation board (2), main part (1) upper surface is equipped with first fluting (7), ventilation board (2) lower extreme is arranged in first fluting (7), be equipped with fan (3) in the middle of ventilation board (2) the back, main part (1) inside is equipped with first cavity (19) and second cavity (20), fixedly connected with fixed plate (11) between first cavity (19) and second cavity (20), be equipped with chip (10) in the middle of fixed plate (11), fixed plate (11) run through a plurality of metal head (13), chip (10) are connected through metal wire (12) fixed, metal head (13) lower extreme is connected with metal pole (14), in second cavity (20) are arranged in to metal pole (14), metal pole (14) bottom is through metal head (13) and receiver plate (6) fixed connection, main part (1) middle surface is equipped with a plurality of second fluting (8), second fluting (8) are equipped with torsion spring (17) fixed connection with main part (1) upper end (17), the novel anti-theft device is characterized in that an inclined wedge block (18) is fixedly connected to the other end of the torsion spring (17), a movable shaft (16) is arranged at the upper end of the inclined wedge block (18), the top end of the movable shaft (16) is nested on the surface of the fixed rod (15), the movable shaft (16) is in fit sliding connection with the surface of the fixed rod (15), a clamping sleeve (5) is arranged on the surface of the lower end of the main body (1), a plurality of third grooves (9) are formed in the surface of the clamping sleeve (5), and a rubber pad (22) is arranged on the upper inclined surface of the clamping sleeve (5).

2. The gas flow sensor package of claim 1, wherein: the upper end and the lower end of the metal head (13) are respectively arranged in the first cavity (19) and the second cavity (20).

3. The gas flow sensor package of claim 1, wherein: the side wall of the first cavity (19) is provided with a plurality of air outlets (4).

4. The gas flow sensor package of claim 1, wherein: a plurality of heat insulation boards (21) are arranged in the second cavity (20), and the heat insulation boards (21) are fixedly connected with the inner wall of the second cavity (20).

5. The gas flow sensor package of claim 1, wherein: the outer surface of the main body (1) and the inner surface of the cutting sleeve (5) are provided with threads (23), and the inner side of the cutting sleeve (5) is connected with the outer side of the main body (1) through the threads (23).