CN212409901U

CN212409901U - Novel temperature sensor

Info

Publication number: CN212409901U
Application number: CN202021258229.2U
Authority: CN
Inventors: 孔浩
Original assignee: Guangdong Wannuo Sensor Technology Co ltd
Current assignee: Guangdong Wannuo Sensor Technology Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-01-26
Anticipated expiration: 2030-07-02

Abstract

The utility model discloses a novel temperature sensor, including sensor housing, thermistor and lead wire, sensor housing's inner chamber is provided with thermistor, and electric wire fixedly connected with pin is passed through in thermistor's left side. The utility model discloses a sensor housing, thermistor, the cooperation of lead wire and pin, thermistor and the direct injection moulding in the injection molding machine of placing after the pin connection is accomplished, material through designing sensor housing is TPE, TPE is good insulator, so thermistor need not do insulating treatment, can direct injection moulding after connecting, form the finished product after the drawing of patterns of moulding plastics, production cycle shortens by a wide margin, because sensor housing is whole injection moulding, subsequent resistant high pressure becomes inherent characteristic, the clearance problem of traditional temperature sensor owing to multiple material expansion coefficient is different to lead to has been solved from the material simultaneously, thereby reach the effect that the security performance is high, the problem that current device security performance is poor has been solved.

Description

Novel temperature sensor

Technical Field

The utility model relates to a temperature sensor technical field specifically is a novel temperature sensor.

Background

Traditional temperature sensor generally adopts the mode of multiple spare part combination to produce, the production technology is complicated, the turnover process is many, especially epoxy resin solidification link waiting period is long, production efficiency promotes the space little, the spare part is many, the technology is complicated, the turnover, wait for and lead to extravagantly, simultaneously because the spare part is many, its expansion coefficient of different materials is different in the in-service use in-process, produce the clearance easily between the different materials behind the cold and hot alternative, inside moisture or the moisture of external environment can enter into temperature sensor through the clearance, influence temperature sensor's performance, lead to the complete machine trouble.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel temperature sensor possesses the advantage that the security performance is high, has solved the current poor problem of device security performance.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel temperature sensor, includes sensor housing, thermistor and lead wire, sensor housing's inner chamber is provided with thermistor, electric wire fixedly connected with pin is passed through in thermistor's left side, the left side of pin is provided with the lead wire, sensor housing is whole injection moulding, sensor housing's material is TPE.

Preferably, the number of the pins is two, and the two pins are respectively arranged at the top and the bottom of the right side of the lead.

Preferably, the material of lead wire is silica gel, the left side of lead wire runs through the sensor housing and extends to the outside of sensor housing.

Preferably, the thermistor is oval in shape, and chamfers are arranged on the periphery of the sensor shell.

Preferably, the pin and the wire are fixedly connected by riveting, and the welding method includes, but is not limited to, welding and riveting.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a sensor housing, thermistor, the cooperation of lead wire and pin, thermistor and the direct injection moulding in the injection molding machine of placing after the pin connection is accomplished, material through designing sensor housing is TPE, TPE is good insulator, so thermistor need not do insulating treatment, can direct injection moulding after connecting, form the finished product after the drawing of patterns of moulding plastics, production cycle shortens by a wide margin, because sensor housing is whole injection moulding, subsequent resistant high pressure becomes inherent characteristic, can directly skip the withstand voltage test link, the while has been solved traditional temperature sensor from the material because the different clearance problem that leads to of multiple material expansion coefficient, the reliability of product has been promoted, thereby reach the effect that the security performance is high, the poor problem of current device security performance has been solved.

2. The utility model discloses a shape of designing thermistor is oval, and the oval has good compressive property, improves temperature sensor's life, passes through riveting mode fixed connection through design pin and lead wire, and its welding mode is including but not limited to welding and riveting, and the connectivity is good, avoids pin and electric wire fracture.

Drawings

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

FIG. 2 is a front view of the structure of the present invention;

fig. 3 is a right side view of the structure of the present invention.

In the figure: 1. a sensor housing; 2. a thermistor; 3. a lead wire; 4. a pin; 5. and (6) chamfering.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, a novel temperature sensor comprises a sensor housing 1, a thermistor 2 and a lead 3, wherein the lead 3 is made of silica gel, the left side of the lead 3 penetrates through the sensor housing 1 and extends to the outer side of the sensor housing 1, the thermistor 2 is designed to be oval, the oval shape has good pressure resistance, the service life of the temperature sensor is prolonged, the lead 4 and an electric wire are fixedly connected in a riveting manner, the connection is good, the lead 4 and the electric wire are prevented from being broken, the thermistor 2 is arranged in an inner cavity of the sensor housing 1, the thermistor 2 is designed to be oval, chamfers 5 are arranged on the periphery of the sensor housing 1, the lead 4 is fixedly connected to the left side of the thermistor 2 through the electric wire, the number of the leads 4 is two, and the two leads 4 are respectively arranged at the top and the bottom of the right side of the lead, the lead 4 is fixedly connected with the electric wire in a riveting mode, the welding mode comprises but is not limited to welding and riveting, the lead 3 is arranged on the left side of the lead 4, the sensor shell 1 is integrally injection-molded, the material of the sensor shell 1 is TPE, the thermistor 2, the lead 3 and the lead 4 are matched, the thermistor 2 and the lead 3 are directly placed in an injection molding machine for injection molding after connection is completed, the sensor shell 1 is designed to be TPE which is a good insulator, so the thermistor 2 does not need to be insulated, the connection can be directly injection-molded after connection, a finished product is formed after injection molding and demolding, the production cycle is greatly shortened, as the sensor shell 1 is integrally injection-molded, subsequent high-voltage resistance is changed into an inherent characteristic, a voltage-resistant test link can be directly skipped, and meanwhile, the problem of gaps caused by different expansion coefficients of various materials of the traditional temperature sensor is solved from the material aspect, the reliability of the product is improved, so that the effect of high safety performance is achieved, and the problem of poor safety performance of the existing device is solved.

During the use, through sensor housing 1, thermistor 2, lead wire 3 and pin 4's cooperation, thermistor 2 is connected the back with lead wire 3 and is directly placed injection moulding in the injection molding machine, the material through designing sensor housing 1 is TPE, TPE is good insulator, so thermistor 2 need not do insulating treatment, can direct injection moulding after connecting, form the finished product after the drawing of patterns of moulding plastics, production cycle shortens by a wide margin, because sensor housing 1 is whole injection moulding, subsequent resistant high pressure becomes inherent characteristic, can directly skip the withstand voltage test link, the while has been solved traditional temperature sensor from the material because the different clearance problem that leads to of multiple material expansion coefficient, the reliability of product has been promoted, thereby reach the high effect of security performance.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent. In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel temperature sensor comprises a sensor shell (1), a thermistor (2) and a lead (3), and is characterized in that: the inner chamber of sensor housing (1) is provided with thermistor (2), electric wire fixedly connected with pin (4) are passed through in the left side of thermistor (2), the left side of pin (4) is provided with lead wire (3), sensor housing (1) is whole injection moulding, the material of sensor housing (1) is TPE.

2. The novel temperature sensor of claim 1, wherein: the number of the pins (4) is two, and the two pins (4) are respectively arranged at the top and the bottom of the right side of the lead (3).

3. The novel temperature sensor of claim 1, wherein: the material of lead wire (3) is silica gel, the left side of lead wire (3) runs through sensor housing (1) and extends to the outside of sensor housing (1).

4. The novel temperature sensor of claim 1, wherein: the thermistor (2) is oval in shape, and chamfers (5) are arranged on the periphery of the sensor shell (1).

5. The novel temperature sensor of claim 1, wherein: the pin (4) is fixedly connected with the electric wire in a riveting mode.