CN217006117U

CN217006117U - Anti-corrosion temperature sensor

Info

Publication number: CN217006117U
Application number: CN202220783124.1U
Authority: CN
Inventors: 李文庚; 张增员; 李友强; 李友兵; 陈何兰
Original assignee: Mingxing Sensor Technology Huizhou Co ltd
Current assignee: Mingxing Sensor Technology Huizhou Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-07-19
Anticipated expiration: 2032-04-06

Abstract

The present application relates to an anti-corrosion temperature sensor comprising: the protective shell is provided with a detection head; the sensing kit comprises an anti-corrosion piece, a thermistor and an epoxy resin layer, wherein the anti-corrosion piece is arranged in the detecting head, the thermistor is packaged in the detecting head through the epoxy resin layer and is coated by the anti-corrosion piece, and the thermistor is provided with two connecting ends; connect the external member, connect the external member and include two connecting pieces, two connecting pieces correspond and are connected with two links, and the connecting piece includes the line body and locks the head, and the one end and the link of the line body are connected, and the inner wall of locking the head is equipped with the internal thread, and the bottom of locking the head is equipped with the conducting strip, and the conducting strip is connected with the other end of the line body, and the conducting strip is equipped with a plurality of contact archs. The application discloses anti-corrosion piece can play anticorrosive effect, prevents that temperature sensor from being corroded and damaged. In addition, the conducting strip of locking head bottom is equipped with a plurality of contact archs, and contact archs can guarantee with measuring device's contact stability.

Description

Anti-corrosion temperature sensor

Technical Field

The application relates to the technical field of temperature sensors, in particular to an anti-corrosion temperature sensor.

Background

Temperature sensor (Temperature Transducer) refers to a sensor that senses Temperature and converts it into a usable output signal. The temperature sensor is the core part of the temperature measuring instrument and has a plurality of varieties. The measurement method can be divided into a contact type and a non-contact type, and the measurement method can be divided into a thermal resistor and a thermocouple according to the characteristics of sensor materials and electronic elements.

Regardless of the type of temperature sensor, the function is to sense temperature. However, the existing temperature sensor has the following defects: 1. the temperature sensor has no corrosion resistance, and once the temperature sensor is corroded, the temperature sensor fails; 2. the temperature sensor is prone to poor contact with the measuring device, so that the measuring device cannot measure the temperature by reading the current resistance value of the thermistor.

SUMMERY OF THE UTILITY MODEL

In order to solve or partially solve the problems in the related art, the application provides an anti-corrosion temperature sensor which has good anti-corrosion performance and can ensure the contact stability with a measuring device.

A first aspect of the present application provides an anti-corrosion temperature sensor comprising:

the protective shell is provided with a detecting head;

the sensing kit comprises an anti-corrosion piece, a thermistor and an epoxy resin layer, wherein the anti-corrosion piece is installed in the detecting head, the thermistor is packaged in the detecting head through the epoxy resin layer, the thermistor is coated by the anti-corrosion piece, and the thermistor is provided with two connecting ends;

the connecting sleeve comprises two connecting pieces, the two connecting pieces are correspondingly connected with the two connecting ends, each connecting piece comprises a line body and a locking head, one end of the line body is connected with the connecting ends, the inner wall of the locking head is provided with internal threads, the bottom of the locking head is provided with a conducting strip, the conducting strip is connected with the other end of the line body, and the conducting strip is provided with a plurality of contact protrusions.

Preferably, the connecting piece further comprises an anti-corrosion sleeve body, and the anti-corrosion sleeve body is sleeved on the line body.

Preferably, the protection shell is provided with protection bulges at two sides.

Preferably, the protection protrusion is provided with a via hole.

Preferably, still include the retaining member, the through-hole has been seted up on the protecting crust, the retaining member is used for wearing to establish the through-hole, so that the tip spiro union of retaining member is in waiting the threaded hole on the mounted position department.

Preferably, still include the gasket, the retaining member is used for wearing to establish in proper order the gasket with the through-hole, so that the tip spiro union of retaining member is in waiting the threaded hole on the mounted position department.

Preferably, the locking member is provided with a locking protrusion.

Preferably, the protective shell is provided with a chamfered portion.

The technical scheme provided by the application can comprise the following beneficial effects:

the utility model provides an anticorrosion temperature sensor includes: the protective shell is provided with a detecting head; the sensing kit comprises an anti-corrosion piece, a thermistor and an epoxy resin layer, wherein the anti-corrosion piece is arranged in the detecting head, the thermistor is packaged in the detecting head through the epoxy resin layer, the thermistor is coated by the anti-corrosion piece, and the thermistor is provided with two connecting ends; connect the external member, connect the external member and include two connecting pieces, two connecting pieces correspond and are connected with two links, and the connecting piece includes the line body and locks the head, and the one end and the link of the line body are connected, and the inner wall of locking the head is equipped with the internal thread, and the bottom of locking the head is equipped with the conducting strip, and the conducting strip is connected with the other end of the line body, and the conducting strip is equipped with a plurality of contact archs.

The anti-corrosion piece can play the anti-corrosion role, and prevent that the temperature sensor is inside corroded, lead to thermistor inefficacy, and then let the temperature sensor inefficacy. In addition, the measuring device is connected through being screwed with the locking head, the connection stability can be guaranteed through threaded connection, meanwhile, the conducting strip at the bottom of the locking head is provided with a plurality of contact protrusions, and the contact stability of the contact protrusions and the measuring device can be guaranteed.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is an assembly structural view of an anti-corrosion temperature sensor according to an embodiment of the present application;

FIG. 2 is a sectional structural view of an anti-corrosion temperature sensor according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of FIG. 1 at A;

fig. 4 is an enlarged schematic view at B of fig. 2.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the present application.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are intended to be inclusive and mean that, for example, they may be fixedly connected or detachably connected or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the related art, the temperature sensor has a defect in structure because the temperature sensor does not have corrosion resistance and is liable to have poor contact with a measuring device. Therefore, in view of the above technical problems, embodiments of the present application provide an anti-corrosion temperature sensor that has good anti-corrosion properties and can ensure contact stability with a measurement device.

The technical solutions of the embodiments of the present application are described in detail below with reference to the accompanying drawings.

Fig. 1 is an assembly structural view of an anti-corrosion temperature sensor according to an embodiment of the present application; FIG. 2 is a sectional structural view of an anti-corrosion temperature sensor according to an embodiment of the present invention; FIG. 3 is an enlarged schematic view of FIG. 1 at A; fig. 4 is an enlarged schematic view at B of fig. 2.

Referring to fig. 1 and 2, an anti-corrosion temperature sensor 10 includes: a protective shell 100, an induction kit 200 and a connection kit 300. It should be noted that the protective shell 100 functions as a protection and packaging, and all structural components of the corrosion-resistant temperature sensor 10 are integrated on the protective shell 100. The sensing kit 200 plays a role in temperature sensing, and when the external environment temperature changes, the resistance value of the sensing kit 200 can follow the temperature change. The connection kit 300 is used to connect a measuring device, so that the measuring device can read the current resistance of the sensing kit 200, and convert the current resistance into a corresponding temperature, thereby measuring the temperature.

Referring to fig. 1, the protective shell 100 is provided with a probe 110. It should be noted that the probe head 110 is a sensing portion of the corrosion protection temperature sensor 10, and the core sensing structure of the sensing kit 200 is mounted in the probe head 110.

Referring to fig. 2, the sensing kit 200 includes an anti-corrosion member 210, a thermistor 220 and an epoxy layer 230, the anti-corrosion member 210 is installed in the detecting head 110, the thermistor 220 is encapsulated in the detecting head 110 through the epoxy layer 230, the thermistor 220 is covered by the anti-corrosion member 210, and the thermistor 220 has two connecting ends 221. It should be noted that the corrosion prevention member 210 can prevent corrosion, so as to prevent the inside of the temperature sensor from being corroded, which results in failure of the thermistor 220, and thus the temperature sensor. The resistance of the thermistor 220 can change with the temperature, and the thermistor 220 can be a positive correlation coefficient thermistor or a negative correlation coefficient thermistor. The epoxy layer 230 ensures the sealing property of the interior of the probe head 110, and prevents foreign substances from entering the interior of the probe head 110.

Referring to fig. 2 and 4, the connection assembly 300 includes two connection members 310, the two connection members 310 are correspondingly connected to the two connection ends 221, each connection member 310 includes a wire body 311 and a locking head 312, one end of the wire body 311 is connected to the connection end 221, an inner wall of the locking head 312 is provided with an inner thread, a conductive sheet 3121 is disposed at the bottom of the locking head 312, the conductive sheet 3121 is connected to the other end of the wire body 311, and the conductive sheet 3121 is provided with a plurality of contact protrusions 3121 a. It should be noted that the measuring device is connected by screwing with the locking head 312 (i.e. the measuring device is also provided with a connector, and the surface of the connector of the measuring device is provided with an external thread matching with the internal thread), and the threaded connection can ensure the connection stability, and meanwhile, the conducting strip 3121 at the bottom of the locking head 312 is provided with a plurality of contact protrusions 3121 a. The contact protrusion 3121a can ensure contact stability with the measuring device (i.e., the connector of the measuring device is connected to the thermistor 220 by contacting the contact protrusion 3121a on the conductive sheet 3121).

It should be noted that, in the present embodiment, there are two connecting elements 310, and the two connecting elements 310 have the same structure, and the difference is that only one connecting element 310 is connected to one of the connecting ends 221, and the other connecting element 310 is connected to the other connecting end 221.

Referring to fig. 2, further, in some embodiments, the connecting member 310 further includes an anti-corrosion sleeve 313, and the anti-corrosion sleeve 313 is sleeved on the wire 311. The corrosion prevention jacket body 313 also functions as a corrosion prevention, and can protect the wire body 311 well.

Referring to fig. 1, further, in some embodiments, the protective shell 100 is provided with protective protrusions 120 at two side positions. It should be noted that the protection shell 100 is provided with the protection protrusions 120 on both sides, the probe 110 is located between the two protection protrusions 120, and the protection protrusions 120 can protect the probe 110, thereby preventing the probe 110 from being damaged by external foreign objects.

Referring to fig. 1, in some embodiments, the protection protrusion 120 is formed with a via 121. It should be noted that, the opening of the through hole 121 can transfer heat in the environment to the detecting head 110, so as to prevent the current resistance value of the thermistor 220 located in the detecting head 110 from being unable to quickly change along with the current environment temperature.

Referring to fig. 1 and 3, in some embodiments, the anti-corrosion temperature sensor 10 further includes a locking member 400, the protective shell 100 is provided with a through hole 130, and the locking member 400 is configured to penetrate through the through hole 130, so that an end of the locking member 400 is screwed into the threaded hole at the position to be installed. It should be noted that, when the anti-corrosion temperature sensor 10 needs to be installed, a threaded hole is processed in advance at the position to be installed, the locking member 400 is inserted into the through hole 130, so that the end of the locking member 400 is screwed into the threaded hole at the position to be installed, and the rapid installation of the anti-corrosion temperature sensor 10 is completed.

Referring to fig. 3, in some embodiments, the corrosion protection temperature sensor 10 further includes a spacer 500, and the locking member 400 is configured to sequentially penetrate through the spacer 500 and the through hole 130, so that an end of the locking member 400 is screwed into the threaded hole at the position to be installed. The spacer 500 can improve the mounting stability of the corrosion prevention temperature sensor 10.

Referring to fig. 3, further, in some embodiments, retaining member 400 is provided with a detent 410. It should be noted that the snap 410 allows a user to rotate the retainer 400 without the aid of an installation tool.

Referring to fig. 1, further, in some embodiments, the protective shell 100 is provided with a chamfered portion 140. It should be noted that the chamfered portion 140 enables the overall structure of the protective shell 100 to be more compact and occupy less installation space.

The aspects of the present application have been described in detail hereinabove with reference to the accompanying drawings. In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments. Those skilled in the art should also appreciate that the acts and modules referred to in the specification are not necessarily required in the present application. In addition, it can be understood that the steps in the method of the embodiment of the present application may be sequentially adjusted, combined, and deleted according to actual needs, and the modules in the device of the embodiment of the present application may be combined, divided, and deleted according to actual needs.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An anti-corrosion temperature sensor, comprising:

the protective shell is provided with a detecting head;

2. The anti-corrosion temperature sensor according to claim 1, wherein the connecting member further comprises an anti-corrosion sleeve body, and the anti-corrosion sleeve body is sleeved on the wire body.

3. The anti-corrosion temperature sensor according to claim 1, wherein the protective shell is provided with protective protrusions at positions on both sides.

4. The anti-corrosion temperature sensor of claim 3, wherein the protective protrusion defines a via.

5. The anti-corrosion temperature sensor according to claim 1, further comprising a locking member, wherein a through hole is formed in the protective shell, and the locking member is used for penetrating through the through hole so that an end portion of the locking member is screwed in the threaded hole at the position to be installed.

6. The anti-corrosion temperature sensor according to claim 5, further comprising a spacer, wherein the locking member is configured to sequentially pass through the spacer and the through hole, such that an end of the locking member is screwed into the threaded hole at the location to be installed.

7. The anti-corrosion temperature sensor of claim 5, wherein the locking member is provided with a detent.

8. The anti-corrosion temperature sensor according to any one of claims 1 to 7, wherein the protective shell is provided with a chamfered portion.