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CN-224232421-U - Moisture-proof thermal resistor with composite insulating layer

CN224232421UCN 224232421 UCN224232421 UCN 224232421UCN-224232421-U

Abstract

The utility model relates to the technical field of thermal resistors and discloses a moisture-proof thermal resistor with a composite insulating layer, which comprises a thermal resistor body, wherein a first protecting shell and a second protecting shell are arranged outside the thermal resistor body, two positioning blocks are fixedly connected to the left and right sides of the first protecting shell, two positioning grooves are formed in the left and right sides of the side, close to the first protecting shell, of the second protecting shell, the positioning blocks are connected to the inside of the positioning grooves in a clamping mode, two mounting blocks are fixedly connected to the upper and lower corresponding sides of the first protecting shell and the second protecting shell, through grooves are formed in the mounting blocks, connecting rods are connected to the inside of the through grooves in a sliding mode, pull blocks are fixedly connected to one end of each connecting rod, and buckling blocks are fixedly connected to the other end of each connecting rod. According to the utility model, protection and fixation of the thermal resistor are realized, the problem that internal elements of the thermal resistor are wetted is effectively ensured, stable operation is ensured in the use process, and the service life is prolonged.

Inventors

  • WANG HONGDONG
  • YUE HAISU
  • YANG SHUAI

Assignees

  • 江苏新华宁仪表有限公司

Dates

Publication Date
20260512
Application Date
20250527

Claims (8)

  1. 1. The moisture-proof thermal resistor with the composite insulating layer comprises a thermal resistor body (1) and is characterized in that a first protecting shell (2) and a second protecting shell (3) are arranged on the outer portion of the thermal resistor body (1), two positioning blocks (13) are fixedly connected to the left side and the right side of the first protecting shell (2) close to each other, two positioning grooves (12) are formed in the left side and the right side of the second protecting shell (3) close to the first protecting shell (2), the positioning blocks (13) are clamped and connected to the inner portion of the positioning grooves (12), two mounting blocks (4) are fixedly connected to the upper side and the lower side of the first protecting shell (2) and the lower side of the second protecting shell (3), through grooves (5) are formed in the inner portion of each mounting block (4), connecting rods (7) are connected to the inner portion of each other in a sliding mode, one ends of the connecting rods (7) are fixedly connected with pulling blocks (6), one ends of the connecting rods (7) are fixedly connected with buckling blocks (8), and positioning components are fixedly connected to one sides of the inner sides of the through grooves (5) respectively, and the positioning components are used for positioning the positioning components.
  2. 2. The composite insulating layer moisture-proof thermal resistor of claim 1, wherein a heat dissipation fan (19) is arranged in the rear side of the second protective shell (3), a refrigerating sheet (20) is arranged on the outer side of the heat dissipation fan (19), the refrigerating sheet (20) is fixedly connected in the rear side of the second protective shell (3), an installation box (14) is arranged on the outer side of the refrigerating sheet (20), a ventilation plate (15) is arranged on the rear side of the installation box (14), and installation components are fixedly connected to four corners of the front side of the ventilation plate (15) and are used for installing and fixing the ventilation plate (15).
  3. 3. The moisture-proof thermal resistor with the composite insulating layer as claimed in claim 1, wherein the positioning assembly comprises a spring (10), one end of the spring (10) is fixedly connected to the inner wall of the through groove (5) at the rear side, the other end of the spring (10) is fixedly connected with a clamping block (11), and the clamping block (11) is connected to the outer side of the connecting rod (7) in a clamping mode.
  4. 4. The moisture-proof thermal resistor with the composite insulating layer as claimed in claim 3, wherein one side, close to the clamping block (11), of the connecting rod (7) is fixedly connected with a supporting block (9), the supporting block (9) is trapezoid, and an inclined plane of the supporting block is attached to the edge of the clamping block (11).
  5. 5. A moisture-proof thermal resistor with composite insulating layer as claimed in claim 1, wherein the fastening block (8) is connected with the mounting block (4) at the rear side in a fitting manner to fasten the first protective shell (2).
  6. 6. The moisture-proof thermal resistor with the composite insulating layer as claimed in claim 2, wherein the mounting assembly comprises positioning rods (16), the positioning rods (16) are fixedly connected to four corners of the front side of the ventilation plate (15), positioning holes (17) are formed in four corners of the inner part of the rear side of the mounting box (14), and the positioning rods (16) are connected to the inner part of the positioning holes (17) in a clamping mode.
  7. 7. A moisture-proof thermal resistor with composite insulating layer as claimed in claim 3, wherein the clamping block (11) is slidingly connected inside the through groove (5).
  8. 8. A moisture-proof thermal resistor with composite insulating layers as claimed in claim 2, wherein the installation box (14) is provided with inclined slots (18) at the upper and lower parts.

Description

Moisture-proof thermal resistor with composite insulating layer Technical Field The utility model relates to the technical field of thermal resistors, in particular to a moisture-proof thermal resistor with a composite insulating layer. Background The moisture-proof thermal resistor with composite insulating layer is one combining various materials and techniques and is specially designed for use in wet environment. The temperature sensor is mainly used for temperature measurement and control, and is widely applied to the fields of industry, construction, energy sources and the like, especially in environments with heavy moisture. The working principle of the moisture-proof thermal resistor with the composite insulating layer is similar to that of a common thermal resistor, and the working principle depends on the change characteristic of the resistor along with temperature. The thermal resistor is made of a conductive or semiconductive material, and its resistance value changes when the temperature changes. The change of temperature can be calculated by measuring the change of the resistance value, but the problems of moisture absorption, element aging and the like in the junction box can occur in the long-term use process of the traditional thermal resistor, especially in the humid, high-temperature or severe environments, so that the working accuracy is reduced, the faults frequently occur, and even the stability of the whole system is influenced. Disclosure of utility model In order to make up for the defects, the utility model provides a moisture-proof thermal resistor with a composite insulating layer, which aims to solve the problems that in the prior art, under the moist, high-temperature or severe environment, the inside of a junction box is affected with moisture, elements are aged, and the like, so that the working accuracy of the junction box is reduced, faults are frequent, and even the stability of the whole system is affected. In order to achieve the purpose, the composite insulating layer moisture-proof thermal resistor comprises a thermal resistor body, wherein a first protecting shell and a second protecting shell are arranged outside the thermal resistor body, two positioning blocks are fixedly connected to the left side and the right side of the first protecting shell, two positioning grooves are formed in the left side and the right side of the second protecting shell, which are close to the first protecting shell, the positioning blocks are connected in the positioning grooves in a clamping mode, two mounting blocks are fixedly connected to the upper side and the lower side of the first protecting shell, which correspond to the upper side and the lower side of the second protecting shell, through grooves are formed in the mounting blocks, connecting rods are connected to the inner sides of the through grooves in a sliding mode, pull blocks are fixedly connected to one ends of the connecting rods, buckling blocks are fixedly connected to the other ends of the connecting rods, positioning components are fixedly connected to one side of the inner sides of the through grooves, and the positioning components are used for positioning positions of the connecting rods. As a further description of the above technical solution: The rear side internally mounted of protecting crust II has the radiator fan, the refrigeration piece is installed in the outside of radiator fan, refrigeration piece fixed connection is inside the rear side of protecting crust II, the mounting box is installed in the outside of refrigeration piece, ventilative board is installed to the rear side of mounting box, the equal fixedly connected with installation component in front side four corners of ventilative board, installation component is used for installing fixedly to ventilative board. As a further description of the above technical solution: The positioning assembly comprises a spring, one end of the spring is fixedly connected to the inner wall of the through groove at the rear side, the other end of the spring is fixedly connected with a clamping block, and the clamping block is clamped and connected to the outer side of the connecting rod. As a further description of the above technical solution: One side of the connecting rod, which is close to the clamping block, is fixedly connected with a supporting block, the supporting block is trapezoid, and the inclined surface of the supporting block is attached to the edge of the clamping block. As a further description of the above technical solution: The buckling block is connected with the mounting block at the rear side in a fitting way to buckle the first protecting shell. As a further description of the above technical solution: The installation component includes the locating lever, locating lever fixed connection is in the front side four corners of ventilative board, the locating hole has all been seted up at the inside four corners of rear side of installation