CN216524408U

CN216524408U - Ultrathin injection-molded integrated temperature sensor shell structure

Info

Publication number: CN216524408U
Application number: CN202123155076.6U
Authority: CN
Inventors: 孙敏; 杨锡旺; 付瑜
Original assignee: Jiangsu Soarwhale Green Technology Co ltd
Current assignee: Jiangsu Soarwhale Green Technology Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-05-13
Anticipated expiration: 2031-12-14

Abstract

The utility model relates to the technical field of temperature acquisition in batteries, in particular to an ultrathin injection-molded integrated temperature sensor shell structure, which comprises: an upper case, a sheet, and a lower case; go up the casing and establish the top of casing under, the thin slice is established between last casing and lower casing, goes up the inside of casing and has seted up tubaeform recess, and tubaeform recess is established in the rear end of tubaeform recess including expansion section, parallel section and shrink section, expansion section, and the shrink section is established at the front end of tubaeform recess, and parallel section establishes between expansion section and shrink section, and the inner structure of going up the casing is the same with the inner structure of casing down. According to the utility model, the upper shell, the sheet, the lower shell and the horn-shaped groove are arranged, and the horn-shaped groove and the upper shell or the lower shell are of an integrally formed structure, so that the phenomena of size thickness super-difference, shell cracking, shell surface crack and bulge caused by instability of an ultrasonic welding process can be avoided, and the sheet can be effectively prevented from falling off.

Description

Ultrathin injection-molded integrated temperature sensor shell structure

Technical Field

The utility model relates to the technical field of temperature acquisition in batteries, in particular to a shell structure of an ultrathin injection-molded integrated temperature sensor.

Background

A temperature sensor refers to a sensor that senses temperature and converts it into a usable output signal. The temperature sensor is the core part of a temperature measuring instrument, has various varieties, can be divided into two types of contact and non-contact according to the measuring mode, and is divided into two types of thermal resistance and thermocouple according to the characteristics of sensor materials and electronic elements. The working principle of the existing temperature sensor is different from the others, the temperature in the battery pack is collected and received by a chip and is output to a BMS (battery management system), the packaging structure is more, and the clamping and mounting, the bolt mounting, the ultrasonic welding and the like can be selected.

The structure of buckle installation and bolt installation is comparatively complicated, has increased the time that artifical installation consumed, simultaneously because the complexity of temperature sensor encapsulation structure when using the ultrasonic wave to weld, damages the resistance pin easily, leads to temperature sensor unable use, causes certain economic loss. In view of the above, it is necessary to develop an ultra-thin injection-molded integrated temperature sensor housing structure to solve at least one of the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an ultrathin injection-molded integrated temperature sensor shell structure, which is used for solving the problems that the conventional encapsulation mode provided by the background technology is complex in structure, and a resistor pin can be damaged to cause certain economic loss.

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

the utility model provides an ultrathin injection molding integrated temperature sensor shell structure, which comprises: go up casing, thin slice and casing down, it establishes the top of casing under to go up the casing, the thin slice is established between last casing and casing down, the tubaeform recess has been seted up to the inside of going up the casing, the tubaeform recess runs through the casing, the tubaeform recess includes expansion section, parallel section and shrink section, the rear end at the tubaeform recess is established to the expansion section, the front end at the tubaeform recess is established to the shrink section, parallel section is established between expansion section and shrink section, and expansion section, parallel section and shrink section intercommunication, the inner structure of going up the casing is the same with the inner structure of casing down.

In a preferred embodiment, the distance between the two sides of the bottom end of the expanding section is larger than the distance between the two sides of the top end of the expanding section, the distance between the two sides of the top end of the expanding section is the same as the distance between the two sides of the parallel section, and the expanding section is convenient for a worker to pull out the thin sheet from the bottom end of the expanding section.

In a preferred embodiment, the distance between the two sides of the bottom end of the contraction section and the distance between the two sides of the parallel section are the same, the distance between the two sides of the top end of the contraction section is smaller than the distance between the two sides of the bottom end of the contraction section, and the contraction section prevents the sheets from sliding off.

In a preferred embodiment, the expanding section, the parallel section and the contracting section each comprise a linear region in which the sheet can slide and a circular arc region.

In a preferred embodiment, the cross section of the arc area is a quarter of a circle, and a worker can fill the arc area with silica gel for moisture insulation.

In a preferred embodiment, the two sides of the linear region of the expansion section form an included angle of 14-15 degrees, and the expansion section is convenient for realizing the insertion and extraction of the sheets.

In a preferred embodiment, the included angle between two sides of the linear area of the contraction section is 18-19 degrees, and the parallel section and the contraction section limit the sheet to prevent the sheet from sliding off.

In a preferred embodiment, the distance between the two sides of the linear area of the parallel section is the same as the width of the sheet, so that the limiting effect on the sheet is realized.

In a preferred embodiment, one side of the upper shell and one side of the lower shell are both provided with a holding plate, the holding plate and the upper shell or the lower shell are of an integrated structure, and the holding plate is arranged to facilitate the separation of the upper shell and the lower shell by workers.

In a preferred embodiment, the upper surface of the thin sheet is welded with resistance pins for connecting the thin sheet with an external circuit.

The ultrathin injection molding integrated temperature sensor shell structure has the characteristics and advantages that:

according to the utility model, the upper shell, the sheet, the lower shell and the horn-shaped groove are arranged, and the horn-shaped groove and the upper shell or the lower shell are of an integrally formed structure, so that the manufacturing process is simple, the internal structure is simpler, the sheet is easy to install, the phenomena of size thickness oversize, shell cracking, shell surface crack and bulge caused by instability of an ultrasonic welding process are avoided, the finished product consistency is good, the qualification rate is high, the horn-shaped groove can effectively prevent the sheet from falling off, and the horn-shaped groove has a simple structure and a good effect.

Drawings

FIG. 1 is an exploded view of an embodiment according to the present invention;

FIG. 2 is a schematic diagram of the overall structure according to an embodiment of the present invention;

fig. 3 is a schematic view of the internal structure of a lower case according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a lower housing and a sheet according to an embodiment of the present invention;

fig. 5 is a schematic view of the structure of a sheet according to an embodiment of the present invention.

In the figure: 1. an upper housing; 2. a sheet; 3. a lower housing; 4. a horn-shaped groove; 401. an expansion section; 402. a parallel segment; 403. a contraction section; 404. a straight line region; 405. a circular arc region; 5. holding the plate; 6. and a resistor pin.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1 to 5, the present invention provides an ultra-thin injection molding integrated temperature sensor housing structure, comprising: go up casing 1, thin slice 2 and lower casing 3, it establishes the top of casing 3 down to go up casing 1, thin slice 2 is established between last casing 1 and lower casing 3, trumpet-shaped recess 4 has been seted up to the inside of going up casing 1, trumpet-shaped recess 4 runs through casing 1, trumpet-shaped recess 4 includes expansion section 401, parallel section 402 and shrink section 403, the rear end at trumpet-shaped recess 4 is established to expansion section 401, the front end at trumpet-shaped recess 4 is established to shrink section 403, parallel section 402 is established between expansion section 401 and shrink section 403, and expansion section 401, parallel section 402 and shrink section 403 are linked together, are convenient for install thin slice 2, it is the same with casing 3's inner structure down to go up the inner structure of casing 1.

The expansion section 401, the parallel section 402 and the contraction section 403 all comprise a linear area 404 and an arc area 405, the cross section of the arc area 405 is quarter-circular, the sheet 2 slides in the linear area 404, meanwhile, a worker can fill silica gel into the arc area 405, the requirement of water and moisture prevention is met, the temperature change response speed is improved, the included angle between two sides of the linear area 404 of the expansion section 401 is 14-15 degrees, the distance between two sides of the linear area 404 of the parallel section 402 is the same as the width of the sheet 2, the sheet 2 can be effectively prevented from being deviated in the horn-shaped groove 4, the included angle between two sides of the linear area 404 of the contraction section 403 is 18-19 degrees, the distance between two sides of the bottom end of the expansion section 401 is larger than the distance between two sides of the top end of the expansion section 401, the distance between two sides of the top end of the expansion section 401 and the distance between two sides of the parallel section 402 are the same, and the expansion section 401 is arranged, and the worker can conveniently pull out the sheet 2 from the bottom end and pull out the sheet 2 and pull out the contraction section from the bottom end without opening the upper shell 1 and the lower shell 3 by arranging the expansion section 401 Inserting, the distance between the two sides of the bottom end of the contraction section 403 is the same as the distance between the two sides of the parallel section 402, the distance between the two sides of the top end of the contraction section 403 is smaller than the distance between the two sides of the bottom end of the contraction section, the parallel section 402 and the contraction section 403 limit the sheet 2 to avoid the sheet 2 from sliding off, most of the inside of the existing temperature sensor shell in the market is provided with a plurality of limiting structures to limit the sheet 2, and when the resistance pin 6 is welded, the resistance pin 6 is likely to be broken to cause economic loss.

The improved structure of the LED lamp is characterized in that a holding plate 5 is arranged on one side of each of the upper shell 1 and the lower shell 3, the holding plate 5 and the upper shell 1 or the lower shell 3 are of an integrated structure, the holding plate 5 is arranged to facilitate holding of the LED lamp by workers, the upper shell 1 and the lower shell 3 are separated conveniently, resistance pins 6 are welded on the upper surface of the sheet 2, and connection between an internal circuit and an external circuit is facilitated by the arrangement of the resistance pins 6.

The implementation scenario is specifically as follows: according to the utility model, the upper shell 1, the sheet 2, the lower shell 3 and the horn-shaped groove 4 are arranged, wherein the horn-shaped groove 4 and the upper shell 1 or the lower shell 3 are of an integrally formed structure, the manufacturing process is simple, the structure is simple, the disassembly and assembly are easy, meanwhile, the internal structures of the upper shell 1 and the lower shell 3 are simple, the limiting function of the sheet 2 can be realized, when ultrasonic welding is carried out, the phenomena of size thickness super-difference, shell cracking, shell surface crack and bulging caused by instability of an ultrasonic welding process can be avoided, the finished product consistency is good, the qualification rate is high, and the contraction section 403 in the horn-shaped groove 4 can prevent the sheet 2 from sliding off.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. An ultra-thin integrated temperature sensor shell structure that moulds plastics includes: go up casing (1), thin slice (2) and casing (3) down, its characterized in that: go up casing (1) and establish the top of casing (3) down, establish between last casing (1) and lower casing (3) thin slice (2), trumpet-shaped recess (4) have been seted up to the inside of going up casing (1), trumpet-shaped recess (4) run through casing (1), trumpet-shaped recess (4) are including expanding section (401), parallel section (402) and shrink section (403), the rear end at trumpet-shaped recess (4) is established in expanding section (401), the front end at trumpet-shaped recess (4) is established in shrink section (403), parallel section (402) are established between expanding section (401) and shrink section (403), and expand section (401), parallel section (402) and shrink section (403) and are linked together, the inner structure of going up casing (1) is the same with the inner structure of casing (3) down.

2. The ultra-thin injection molded integrated temperature sensor housing structure of claim 1, wherein: the distance between two sides of the bottom end of the expansion section (401) is larger than the distance between two sides of the top end of the expansion section, and the distance between two sides of the top end of the expansion section (401) is the same as the distance between two sides of the parallel section (402).

3. The ultra-thin injection molded integrated temperature sensor housing structure of claim 1, wherein: the distance between the two sides of the bottom end of the contraction section (403) is the same as the distance between the two sides of the parallel section (402), and the distance between the two sides of the top end of the contraction section (403) is smaller than the distance between the two sides of the bottom end of the contraction section.

4. The ultra-thin injection molded integrated temperature sensor housing structure of claim 1, wherein: the expanding section (401), the parallel section (402) and the contracting section (403) all comprise a straight line area (404) and a circular arc area (405).

5. The ultra-thin injection molded integrated temperature sensor housing structure of claim 4, wherein: the cross section of the arc area (405) is a quarter circle.

6. The ultra-thin injection molded integrated temperature sensor housing structure of claim 3, wherein: the included angle of the two sides of the linear area (404) of the expansion section (401) is 14-15 degrees.

7. The ultra-thin injection molding integrated temperature sensor shell structure of claim 3, characterized in that: the included angle of the two sides of the linear area (404) of the contraction section (403) is 18-19 degrees.

8. The ultra-thin injection molded integrated temperature sensor housing structure of claim 3, wherein: the distance between the two sides of the linear area (404) of the parallel section (402) is the same as the width of the sheet (2).

9. The ultra-thin injection molded integrated temperature sensor housing structure of claim 1, wherein: one side of the upper shell (1) and one side of the lower shell (3) are both provided with a holding plate (5), and the holding plate (5) and the upper shell (1) or the lower shell (3) are of an integrated structure.

10. The ultra-thin injection molded integrated temperature sensor housing structure of claim 1, wherein: and a resistance pin (6) is welded on the upper surface of the sheet (2).