CN216593845U

CN216593845U - Ultrathin paper sheet-shaped temperature sensor

Info

Publication number: CN216593845U
Application number: CN202121807876.9U
Authority: CN
Inventors: 权志勇
Original assignee: Shenzhen Jet Electronics Co ltd
Current assignee: Shenzhen Jet Electronics Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-05-24
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses an ultrathin paper sheet-shaped temperature sensor, which relates to the technical field of temperature sensors and comprises a circuit carrier, wherein an NTC chip is arranged on the surface of the circuit carrier, the surface of the NTC chip is connected with the surface of the circuit carrier, a first pin and a second pin are respectively arranged on the surface of the NTC chip, one end of the first pin and one end of the second pin are both connected with a lead, and the surface of the circuit carrier is connected with the surface of a protective shell. According to the utility model, by arranging the protective shell, the protective shell and the limiting frame, the impact force can be buffered through the protective shell or the protective shell after being impacted, the NTC chip or the connecting part is prevented from being damaged, and the problems that the NTC chip is broken due to impact in the transferring or using process and the sensor is invalid due to the fact that the NTC chip and the pins are directly adhered to the carrier and mostly do not have protective measures and the NTC chip is almost exposed to the outside are solved.

Description

Ultrathin paper sheet-shaped temperature sensor

Technical Field

The utility model relates to the technical field of temperature sensors, in particular to an ultra-thin paper-shaped temperature sensor.

Background

The paper-shaped temperature sensor can meet the requirements well, uses a PI material as a carrier, uses an NTC chip as a temperature transmission device, and has the characteristics of thin thickness and high accuracy.

Most of common paper sheet-shaped temperature sensors only use insulating glue to directly adhere the NTC chip and the pins to the carrier, most of the common paper sheet-shaped temperature sensors do not have protective measures, the NTC chip is almost exposed to the outside, and the NTC chip is likely to be broken due to impact in the transferring or using process, so that the sensor fails.

SUMMERY OF THE UTILITY MODEL

The utility model provides an ultrathin paper-shaped temperature sensor which has the advantages of simple structure, thin thickness, convenience in use and good protection performance, and solves the problem that an NTC chip is likely to break due to impact in the transferring or using process and the sensor fails because the NTC chip and pins are directly adhered to a carrier and mostly do not have protection measures, and the NTC chip is almost exposed to the outside.

In order to realize the purposes of simple structure, thin thickness, convenient use and good protection performance, the utility model provides the following technical scheme: the utility model provides an ultra-thin type paper form temperature sensor, includes the circuit carrier, the surface of circuit carrier is provided with the NTC chip, the surface of NTC chip and the surface connection of circuit carrier, the surface of NTC chip is provided with first pin and second pin respectively, the one end of first pin and the one end of second pin all are connected with the lead wire, the surface connection of circuit carrier and protecting crust, the surface connection of circuit carrier has the protective housing, the surface of circuit carrier is provided with insulating glue layer.

As a preferred technical solution of the present invention, the surface of the NTC chip is connected to the inner wall of the protective shell, one end of the first pin and one end of the second pin both movably penetrate through the protective shell, and the outer surface of the protective shell is connected to the inner surface of the insulating adhesive layer.

As a preferred technical scheme of the utility model, the inner wall of the protective shell is connected with a limiting block, the surface of the limiting block is connected with the surface of the NTC chip, and the limiting block is made of insulating rubber.

As a preferable technical solution of the present invention, a joint of the first pin and the lead is coated with silver paste, and a joint of the second pin and the lead is also coated with silver paste.

As a preferable technical scheme of the utility model, the inner wall of the protective shell is connected with the surface of the silver colloid, and the surface of the protective shell is connected with the inner surface of the insulating colloid layer.

As a preferable technical scheme of the utility model, the surface of the circuit carrier is connected with a limiting frame, the inner wall of the limiting frame is connected with the surface of the lead, and the outer surface of the limiting frame is connected with the inner surface of the insulating glue layer.

As a preferred technical solution of the present invention, the first pin, the second pin and the lead are all made of copper wires, and the surfaces of the first pin, the second pin and the lead are all plated with nickel layers.

Compared with the prior art, the utility model provides an ultrathin paper-shaped temperature sensor, which has the following beneficial effects:

1. this ultra-thin type paper form temperature sensor, through setting up protecting crust and protective housing, during the preparation, connect the inside at the protecting crust with the NYC chip card, be convenient for fix it, conveniently connect the lead wire, connect the completion back, with the protective housing joint on the gluey surface of silver, play the transfer of protection to gluey silver and junction, reached the sensor and received to bump the back can through protecting crust or protective housing buffering impact, prevent NTC chip or the impaired effect of junction, it directly bonds on the carrier to have solved NTC chip and pin, mostly do not have safeguard measure, NTC chip is close to the naked hourglass externally, lead to the NTC chip probably receive the striking and break at the in-process that shifts or use, cause the problem that the sensor became invalid.

2. This ultra-thin type paper form temperature sensor through setting up spacing frame and insulating glue layer, with the lead wire joint in the inside of spacing frame, can play spacing and fixed effect to the lead wire, has reached when using insulating glue to seal, and the effect that the skew can not take place for the lead wire has solved lead wire position abnormal, causes the inconvenient problem of follow-up use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of the silver paste of FIG. 1 according to the present invention;

FIG. 3 is a left sectional view of an NTC chip according to the present invention;

FIG. 4 is a schematic structural view of the present invention before molding;

FIG. 5 is a schematic structural view of a protective shell according to the present invention;

FIG. 6 is a schematic view of the protective case of the present invention;

fig. 7 is a schematic structural diagram of the limiting block of the present invention.

In the figure: 1. a circuit carrier; 2. an NTC chip; 3. a first pin; 4. a second pin; 5. a lead wire; 6. a protective shell; 7. a protective shell; 8. an insulating glue layer; 9. a limiting block; 10. silver glue; 11. and a limiting frame.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention discloses an ultra-thin paper sheet-shaped temperature sensor, which includes a circuit carrier 1, wherein an NTC chip 2 is disposed on a surface of the circuit carrier 1, a surface of the NTC chip 2 is connected to a surface of the circuit carrier 1, a first pin 3 and a second pin 4 are respectively disposed on the surface of the NTC chip 2, one end of the first pin 3 and one end of the second pin 4 are both connected to a lead 5, the surface of the circuit carrier 1 is connected to a surface of a protective case 6, the surface of the circuit carrier 1 is connected to a protective case 7, and an insulating adhesive layer 8 is disposed on the surface of the circuit carrier 1.

Specifically, the surface of the NTC chip 2 is connected with the inner wall of the protective shell 6, one end of the first pin 3 and one end of the second pin 4 both movably penetrate through the protective shell 6, and the outer surface of the protective shell 6 is connected with the inner surface of the insulating adhesive layer 8.

In this embodiment, the protection shell 6 is used to protect the NTC chip 2, so as to prevent the NTC chip 2 from being broken due to impact during transportation or use.

Specifically, the inner wall of protective housing 6 is connected with stopper 9, stopper 9's surface and NTC chip 2's surface are connected, stopper 9's material is insulating rubber.

In this embodiment, after the NTC chip 2 is clamped into the protective shell 6, the stopper 9 is deformed by extrusion, the contact area with the NTC chip 2 is increased, and the NTC chip 2 can be prevented from falling off in the process of connecting the lead 5.

Specifically, the joint of the first pin 3 and the lead 5 is coated with silver paste 10, and the joint of the second pin 4 and the lead 5 is also coated with silver paste 10.

In this embodiment, the function of silver colloid 10 is to combine conducting material together through the adhesive effect of matrix resin, forms the electrically conductive route, realizes being glued the electrically conductive connection of material, uses silver colloid 10 to connect lead wire 5 on first pin 3 and second pin 4, can avoid the electric welding to lead to 5 shortening, even the problem that melts.

Specifically, the inner wall of the protective shell 7 is connected with the surface of the silver colloid 10, and the surface of the protective shell 7 is connected with the inner surface of the insulating colloid layer 8.

In this embodiment, use protective housing 7 to carry out certain protection to silver colloid 10, also indirectly protect the junction simultaneously, prevent that the fracture from appearing in the junction, lead to contact failure.

Specifically, the surface of the circuit carrier 1 is connected with a limiting frame 11, the inner wall of the limiting frame 11 is connected with the surface of the lead 5, and the outer surface of the limiting frame 11 is connected with the inner surface of the insulating glue layer 8.

In this embodiment, the limiting frame 11 can limit and fix the lead 5, so as to prevent the lead 5 from deviating and reducing the yield when the glue is sealed.

Specifically, the first pin 3, the second pin 4 and the lead 5 are all made of copper wires, and the surfaces of the first pin 3, the second pin 4 and the lead 5 are plated with nickel layers.

In this embodiment, since the chemical property of nickel is inactive, nickel is plated on the surface of copper, so that the first lead 3, the second lead 4 and the lead 5 are not oxidized, and the service life is long.

The working principle and the using process of the utility model are as follows: when the circuit is manufactured, the limiting frame 11 is fixedly connected to the surface of the circuit carrier 1, the material of the circuit carrier 1 is a PI material, the first pin 3 and the second pin 4 of the NTC chip 2 penetrate through the protective shell 6, then the NTC chip 2 is connected to the inside of the protective shell 6 in a clamped mode, the material of the limiting block 9 is soft insulating rubber, the limiting block can be tightly attached to the NTC chip 2 to prevent shaking and dropping, then the silver colloid 10 is used for fixedly connecting the two leads 5 to one ends of the first pin 3 and the second pin 4 respectively, the two leads 5 are connected to the inside of the limiting frame 11 in a clamped mode, after the clamping is completed, the protective shell 7 is buckled to the surface of the silver colloid 10, finally the insulating colloid is used, one insulating colloid layer 8 is manufactured, and the device is sealed.

In summary, the ultra-thin paper sheet-shaped temperature sensor solves the problems that the NTC chip 2 and the pins are directly bonded on the carrier and mostly do not have protective measures by arranging the protective shell 6, the protective shell 7 and the limiting frame 11, and the NTC chip 2 is almost exposed to the outside, so that the NTC chip 2 is likely to be broken due to impact in the transferring or using process, and the sensor fails.

It should be noted that, in this document, terms such as "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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. An ultra-thin paper sheet-like temperature sensor, comprising a circuit carrier (1), characterized in that: the surface of circuit carrier (1) is provided with NTC chip (2), the surface of NTC chip (2) and the surface connection of circuit carrier (1), the surface of NTC chip (2) is provided with first pin (3) and second pin (4) respectively, the one end of first pin (3) and the one end of second pin (4) all are connected with lead wire (5), the surface connection of the surface of circuit carrier (1) and protecting crust (6), the surface connection of circuit carrier (1) has protective housing (7), the surface of circuit carrier (1) is provided with insulating glue layer (8).

2. The ultra-thin, paper-sheet-like temperature sensor of claim 1, wherein: the surface of NTC chip (2) and the inner wall connection of protecting crust (6), the one end of first pin (3) and the equal activity of one end of second pin (4) run through protecting crust (6), the surface of protecting crust (6) and the internal surface connection of insulating glue layer (8).

3. The ultra-thin, paper-sheet-like temperature sensor of claim 2, wherein: the inner wall of protecting crust (6) is connected with stopper (9), the surface of stopper (9) and the surface connection of NTC chip (2), the material of stopper (9) is insulating rubber.

4. The ultra-thin, paper-sheet-like temperature sensor of claim 1, wherein: the junction of the first pin (3) and the lead (5) is coated with silver colloid (10), and the junction of the second pin (4) and the lead (5) is also coated with silver colloid (10).

5. The ultra-thin, paper-sheet-like temperature sensor of claim 1, wherein: the inner wall of the protective shell (7) is connected with the surface of the silver colloid (10), and the surface of the protective shell (7) is connected with the inner surface of the insulating colloid layer (8).

6. The ultra-thin, paper-sheet-like temperature sensor of claim 1, wherein: the surface of the circuit carrier (1) is connected with a limiting frame (11), the inner wall of the limiting frame (11) is connected with the surface of the lead (5), and the outer surface of the limiting frame (11) is connected with the inner surface of the insulating glue layer (8).

7. The ultra-thin, paper-sheet-like temperature sensor of claim 1, wherein: the first pin (3), the second pin (4) and the lead (5) are all made of copper wires, and the surfaces of the first pin (3), the second pin (4) and the lead (5) are plated with nickel layers.