CN220398751U

CN220398751U - Anti-interference temperature sensor

Info

Publication number: CN220398751U
Application number: CN202322108178.5U
Authority: CN
Inventors: 郑宇�
Original assignee: China Chic Matrix Technology Co ltd
Current assignee: China Chic Matrix Technology Co ltd
Priority date: 2023-08-07
Filing date: 2023-08-07
Publication date: 2024-01-26
Anticipated expiration: 2033-08-07

Abstract

The utility model discloses an anti-interference temperature sensor, which comprises a sensor junction box, wherein a threaded sleeve is arranged at the bottom of the sensor junction box, a protective sleeve is fixedly inserted in the middle of the threaded sleeve, a plurality of strip-shaped shallow grooves are formed in the side wall of the protective sleeve, inclined struts are hinged to one side of the inner wall of each strip-shaped shallow groove, a folded metal elastic sheet is fixedly connected to the middle of the bottom end of each inclined strut, and thermistors are arranged at one end of each folded metal elastic sheet and at the bottom inside the protective sleeve; according to the anti-interference temperature sensor, through arranging the plurality of strip-shaped shallow grooves formed in the side wall of the protective sleeve and matching with the inclined stay, the folded metal elastic sheet and the thermistor, the temperature measurement of one or more points can be correspondingly adjusted under different detection precision requirements, the temperature sensor is applicable to multi-point measurement with more various occasions and even distribution, richer temperature values of the environment in the container can be obtained, and better detection effect is achieved.

Description

Anti-interference temperature sensor

Technical Field

The present disclosure relates to sensors, and particularly to an anti-interference 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 a core part of the temperature measuring instrument and has various varieties. The measuring method can be divided into two main types, namely contact type and non-contact type, and the measuring method can be divided into two types, namely thermal resistor and thermocouple according to the characteristics of sensor materials and electronic elements.

When the temperature sensor is used, the temperature sensor is suitable for a plurality of occasions, some occasions need to be generally measured to measure the approximate ambient temperature/object surface temperature, but some occasions need to be accurately measured, and the measurement of a single point position cannot achieve a better detection effect because the ambient/object area is large;

in addition, when the temperature sensor is installed or used, the detection end of the temperature sensor cannot collide or touch a non-measurement object, so that the anti-interference performance is poor, firstly, the temperature sensor is easy to damage due to collision and impact, secondly, the temperature sensor is easy to exceed a temperature measurement range, damage is caused to an internal structure, and in addition, the temperature sensor is especially used for measuring the ambient temperature, the ambient airflow is static, the accuracy of measurement data is affected, and the equipment difficulty and the cost are increased by increasing the investment of the sensor.

Disclosure of Invention

The utility model aims to provide an anti-interference temperature sensor so as to solve the problems that a measuring end provided in the background technology is not protected, is easy to collide or overtemperature to measure and the measuring result is influenced by the static condition of ambient gas.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the anti-interference temperature sensor comprises a sensor junction box, wherein a screw sleeve is arranged at the bottom of the sensor junction box, a protective sleeve is fixedly inserted in the middle of the screw sleeve, a plurality of strip-shaped shallow grooves are formed in the side wall of the protective sleeve, inclined struts are hinged to one side of the inner wall of each strip-shaped shallow groove, a folded metal elastic sheet is fixedly connected to the middle of the bottom end of each inclined strut, and thermistors are arranged at one end of each folded metal elastic sheet and at the bottom inside the protective sleeve;

the protection sleeve is characterized in that a protection net barrel is arranged at the bottom of the protection sleeve, two round holes are formed in one side wall of the protection net barrel, the miniature fans are embedded and installed in the round holes, an annular buffer ring is fixedly connected to the top of the inner wall of the protection net barrel, and an annular screen plate is fixedly connected to the inner wall of the annular buffer ring.

As a preferable technical scheme of the utility model, a plurality of thermistors are electrically connected with the internal circuit of the sensor junction box through metal leads.

As a preferable technical scheme of the utility model, the miniature fan is electrically connected with an external power supply, and an elastic gasket is fixedly arranged on one side of the inner wall of the strip-shaped shallow groove.

As a preferable technical scheme of the utility model, the inner wall of the annular screen plate is fixedly connected with an anti-slip collar, and the inner wall of the anti-slip collar is attached to the outer wall of the protective sleeve.

As a preferable technical scheme of the utility model, a turning plate is hinged to one side wall of the sensor junction box, and the top of one side wall of the turning plate is connected with one side wall of the sensor junction box in a clamping way.

As a preferable technical scheme of the utility model, the middle part of the turning plate is embedded with the heat insulation plate, the back surface of the heat insulation plate is sprayed with the temperature sensing ink layer, and the front surface of the heat insulation plate is adhered with the water absorbing cotton layer.

As a preferable technical scheme of the utility model, one end of the diagonal brace is connected with the inner wall of the corresponding strip-shaped shallow groove in a clamping way.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the plurality of strip-shaped shallow grooves formed on the side wall of the protective sleeve are arranged, and the inclined stay, the folded metal elastic sheet and the thermistor are matched, so that the temperature measurement of one or more points can be correspondingly regulated under different detection precision requirements, the application occasions are more various, the uniformly distributed multi-point measurement is realized, the temperature value of the container with more abundant environment can be obtained, and the better detection effect is realized.

2. According to the utility model, the protective screen cylinder is arranged to cover the protective sleeve, so that the protective sleeve can not collide or be attached to the inner structure of the container when the sensor is installed or used, the condition of damage or abnormality in measurement is avoided, the anti-interference performance to the environment is enhanced, the micro fan arranged on the protective screen cylinder can accelerate the surrounding airflow, the temperature detection in the environment can be more accurate, the sensor can be used as a test function of the sensitivity of the sensor, the temperature sensing ink layer arranged in the middle of the sensor can absorb heat to change the color, an operator can judge whether the sensor dissipates heat abnormally by observing the color, the water absorbing cotton layer arranged in the other part can absorb moisture in the environment, the humidity in the environment is judged rapidly by the depth of the color, so that whether the sensor is used in a higher humidity environment is judged, the humidity is improved or the maintenance frequency is shortened, and the anti-environment interference performance of the sensor is kept for the sensor to be used in a proper environment.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic structural view of a protective net barrel portion according to the present utility model;

FIG. 3 is a schematic view of a heat shield portion of the present utility model.

In the figure: 1. a sensor junction box; 2. turning plate; 3. a water-absorbing cotton layer; 4. a screw sleeve; 5. a protective sleeve; 6. diagonal braces; 7. a strip shallow groove; 8. a thermistor; 9. a protective net barrel; 10. a micro fan; 11. an annular buffer ring; 12. an annular screen plate; 13. an anti-slip collar; 14. a round hole; 15. a temperature-sensitive ink layer; 16. a heat insulating plate; 17. a folded metal spring plate.

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.

Referring to fig. 1-3, the present utility model provides a technical solution of an anti-interference temperature sensor:

embodiment one:

according to the anti-interference temperature sensor shown in fig. 1, the anti-interference temperature sensor comprises a sensor junction box 1, a swivel nut 4 is installed at the bottom of the sensor junction box 1, a protection sleeve 5 is fixedly inserted in the middle of the swivel nut 4, a plurality of strip-shaped shallow grooves 7 are formed in the side wall of the protection sleeve 5, inclined struts 6 are hinged to one sides of the inner walls of the strip-shaped shallow grooves 7, an elastic gasket is fixedly arranged on one side of the inner walls of the strip-shaped shallow grooves 7, the elastic gasket can be extruded to deform, the inclined struts 6 are extruded when being covered, when the inclined struts 6 are sprung out, the inclined struts 6 are restored to the original shape, the inclined struts 6 are propped open by a certain angle, the middle of the bottom end of the inclined struts 6 is fixedly connected with a folded metal elastic sheet 17, the folded metal elastic sheet 17 is kept folded, can be extruded to be deformed and stored, but is released, and is made of conductive metal materials, so that the folded metal elastic sheet 17 can be connected with the sensor junction box 1 by means of metal leads, one ends of the folded metal elastic sheet 17 and the bottom inside the protection sleeve 5 are respectively provided with a thermistor 8, and one ends of the plurality of the folded metal elastic sheet 17 are electrically connected with one ends of the inclined struts 7 through the metal leads and the corresponding to the inclined struts 7.

When the temperature sensor is used, an operator can integrally install the sensor on the end face of a container by means of the swivel nut 4, so that the protective sleeve 5 is arranged in the inner space of the container, when the detection precision is required to be general, the plurality of inclined struts 6 can be clamped into the strip-shaped shallow grooves 7 to be stored, only the thermistor 8 in the protective sleeve 5 works, the temperature of the environment in the container is detected singly, when the temperature of the environment in the container is required to be accurately detected, the temperature sensor can be detected by means of multiple points, when the temperature sensor is installed, the plurality of inclined struts 6 can be firstly opened, the plurality of inclined struts 6 are slightly expanded and extend into the interior of the container, after the swivel nut is loosened, the plurality of inclined struts 6 are further expanded and spread around the protective sleeve 5, the folded metal elastic sheet 17 at the bottom end of the swivel nut is sprung open and exposed in the interior environment of the container, and at the moment, the plurality of thermistors 8 fixed on the folded metal elastic sheet 17 are matched with the thermistors 8 in the protective sleeve 5 to form a plurality of measurement points, and the detected temperature data are more abundant, so that the detected temperature data are transferred to the current signal junction box 1, and the temperature data can be transmitted to the inner points of the container when the temperature sensor is required to be located in the inner points of the circuit, and the temperature sensor is located in the position of the environment with high precision, and the position is different from the position in the environment.

Embodiment two:

on the basis of the first embodiment, as shown in fig. 1, 2 and 3, a protective net barrel 9 is arranged at the bottom of a protective sleeve 5, two round holes 14 are formed in one side wall of the protective net barrel 9, a micro fan 10 is embedded and installed in the two round holes 14, an annular buffer ring 11 is fixedly connected to the top of the inner wall of the protective net barrel 9, an annular screen plate 12 is fixedly connected to the inner wall of the annular buffer ring 11, the micro fan 10 is electrically connected with an external power supply, an anti-slip collar 13 is fixedly connected to the inner wall of the annular screen plate 12, the protective net barrel 9 can be selectively installed or detached according to different use occasions, the inner wall of the anti-slip collar 13 is attached to the outer wall of the protective sleeve 5, a turning plate 2 is hinged to one side wall of the sensor junction box 1, the top of one side wall of the turning plate 2 is connected with one side wall of the sensor junction box 1 in a clamping mode, a heat insulating plate 16 is embedded in the middle of the sensor junction box 2, a temperature sensing ink layer 15 is sprayed on the back of the heat insulating plate 16, a water absorbing cotton layer 3 is adhered to the front of the front surface of the heat insulating plate 16, anhydrous copper sulfate powder is absorbed and dipped in the water absorbing cotton layer 3, and the anhydrous copper sulfate powder is replaced in advance after the anhydrous copper sulfate powder is consumed.

When the anti-interference temperature sensor is particularly used, the protection sleeve 5 is required to be inserted into a container in the process of installing the sensor, the protection net barrel 9 is sleeved on the protection sleeve 5 by the aid of the anti-slip collar 13 in advance, so that the protection net barrel 9 avoids the protection sleeve 5 from directly colliding with the internal structure of the container, the protection net barrel 9 collides with the annular screen 12, in addition, when the temperature is detected in the internal environment of the container, if the air flow in the internal environment is not smooth, the obtained data are stagnant and unchanged, the micro fan 10 can be adjusted to be started, the air flow rate near the protection sleeve 5 can be improved, the protection sleeve is closed after a period of time is blown, the air temperature in other areas in the container can be effectively measured, more detection data can be obtained, the protection net barrel 9 can also be used as a sensitivity test function of the sensor, when the air flow is generated, the detected temperature data can be changed, if no change occurs, the sensor is possibly damaged, in the long-time use of the sensor, the connection box 2 can be attached to the side wall of the sensor box 1, if the sensor is not damaged, the temperature is released, the blue-absorbing layer 15 is corresponding to the moisture content of the sensor is not changed, the blue-absorbing layer is high, the color of the moisture content of the sensor is not changed, and an operator can be detected, and the color of the blue-absorbing environment is can be rapidly or the blue-absorbing environment is more is detected, and the moisture content is can be detected.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the 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.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, the description with reference to the terms "one aspect," "some aspects," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the present utility model. In this specification, the schematic representations of the above terms are not necessarily for the same scheme or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

Claims

1. An anti-interference temperature sensor, includes sensor terminal box (1), its characterized in that: the sensor junction box is characterized in that a swivel nut (4) is arranged at the bottom of the sensor junction box (1), a protective sleeve (5) is fixedly inserted in the middle of the swivel nut (4), a plurality of strip-shaped shallow grooves (7) are formed in the side wall of the protective sleeve (5), inclined struts (6) are hinged to one side of the inner wall of each strip-shaped shallow groove (7), a folded metal elastic sheet (17) is fixedly connected to the middle of the bottom end of each inclined strut (6), and thermistors (8) are arranged at one end of each folded metal elastic sheet (17) and at the bottom inside the protective sleeve (5);

the bottom of protection sleeve pipe (5) is equipped with protection network section of thick bamboo (9), two round holes (14) have been seted up to a lateral wall of protection network section of thick bamboo (9), two the inside of round hole (14) is all inlayed and is installed miniature fan (10), the top fixedly connected with annular buffer ring (11) of protection network section of thick bamboo (9) inner wall, the inner wall fixedly connected with annular otter board (12) of annular buffer ring (11).

2. An tamper resistant temperature sensor as recited in claim 1, wherein: the thermistors (8) are electrically connected with the internal circuit of the sensor junction box (1) through metal leads.

3. An tamper resistant temperature sensor as recited in claim 1, wherein: the miniature fan (10) is electrically connected with an external power supply, and an elastic gasket is fixedly arranged on one side of the inner wall of the strip-shaped shallow groove (7).

4. An tamper resistant temperature sensor as recited in claim 1, wherein: the inner wall of annular otter board (12) fixedly connected with anti-skidding rand (13), the inner wall of anti-skidding rand (13) is laminated with the outer wall of protective casing (5).

5. An tamper resistant temperature sensor as recited in claim 1, wherein: a turning plate (2) is hinged to one side wall of the sensor junction box (1), and the top of one side wall of the turning plate (2) is connected with one side wall of the sensor junction box (1) in a clamping mode.

6. An tamper resistant temperature sensor as recited in claim 5, wherein: the middle part of turning over board (2) inlays and is equipped with heat insulating board (16), the back spraying of heat insulating board (16) has temperature sensing printing ink layer (15), the front bonding of heat insulating board (16) has cotton layer (3) of absorbing water.

7. An tamper resistant temperature sensor as recited in claim 1, wherein: one end of the diagonal brace (6) is connected with the inner wall of the corresponding strip-shaped shallow groove (7) in a clamping mode.