CN216925825U

CN216925825U - Sensor high temperature protection device

Info

Publication number: CN216925825U
Application number: CN202122503388.5U
Authority: CN
Inventors: 安乐新; 李志亮; 董一鸣; 韩谦; 卢武阳
Original assignee: Tangshan Iron And Steel Group Weier Automation Co ltd; Tangshan Iron and Steel Group Co Ltd
Current assignee: Tangshan Iron And Steel Group Weier Automation Co ltd; Tangshan Iron and Steel Group Co Ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-07-08
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses a high-temperature protection device for a sensor, which belongs to the technical field of protection and aims to reduce the failure rate of the sensor in a high-temperature environment, reduce the maintenance cost of equipment and ensure the smooth production. According to the utility model, the sensor is arranged in the protective shell, and the cooling device cools the surrounding environment of the sensor, so that the sensor can be prevented from running in an over-temperature environment, and the sensor can be protected against smashing, thereby greatly reducing the failure rate of the sensor in a high-temperature severe environment, prolonging the service life of the sensor, reducing the equipment maintenance cost and ensuring the smooth production.

Description

Sensor high temperature protection device

Technical Field

The utility model relates to a device capable of effectively protecting a sensor installed in a high-temperature environment, and belongs to the technical field of protection.

Background

With the rapid development of industrial technology, the types of sensors required by equipment are more and more, the precision of the adopted sensors is higher and higher, and the installation environment of the sensors is more and more complex. Many sensors (such as some sensors of hot rolling production lines of iron and steel enterprises) operate in a high-temperature environment for a long time, the performance and the service life of the sensors are greatly affected by the ring temperature, the failure rate is high, the maintenance cost of equipment is increased, and the smooth production is influenced by frequent replacement of the sensors. Therefore, it is necessary to design a sensor high-temperature protection device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-temperature protection device for a sensor, aiming at overcoming the defects of the prior art, so as to reduce the failure rate of the sensor in a high-temperature environment, reduce the maintenance cost of equipment and ensure the smooth production.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a sensor high temperature protection device, includes protecting sheathing and cooling device, protecting sheathing is anterior open-ended box, and the sensor that needs the protection is installed in protecting sheathing's inside, cooling device fixes in the safety cover, cools off the peripheral environment of sensor.

According to the sensor high-temperature protection device, the cooling device comprises the semiconductor refrigerating sheet set, the radiating fins and the radiating fan, air holes are formed in the side wall of the protective shell, the radiating fan is fixed between the side wall of the protective shell and the radiating fins and corresponds to the air holes, the hot end of the semiconductor refrigerating sheet set is adhered to the radiating fins through radiating silicone grease, and the cold end of the semiconductor refrigerating sheet set is close to the sensor.

Above-mentioned sensor high temperature protection device, protective housing includes slide rail formula base and installs the safety cover on slide rail formula base upper portion, the sensor that the upper surface mid-mounting of slide rail formula base needs the protection, and the left end and the right-hand member of slide rail formula base all are equipped with the slide rail, the safety cover is bottom and anterior open-ended boxed structure, about it the side riser respectively with the slide rail joint of slide rail formula base left end and right-hand member.

According to the sensor high-temperature protection device, the slide rail type base is formed by connecting a left side base and a right side base, the left side base is of a hollow structure, a socket matched with the right side base is arranged at the right end of the left side base, the left end of the right side base is inserted into the left side base and is fixedly connected with the left side base through a fastening jackscrew, and slide rails are arranged at the left end of the left side base and the right end of the right side base; the protective cover is formed by connecting a left cover body and a right cover body, and a top plate and a rear vertical plate of the left cover body and the right cover body are in sliding lap joint and are locked by butterfly nuts.

In the sensor high-temperature protection device, the two sets of cooling devices are symmetrically arranged on the side vertical plates of the left cover body and the right cover body.

In the sensor high-temperature protection device, the radiating fins, the left cover body and the right cover body are all made of aluminum alloy.

According to the utility model, the sensor is arranged in the protective shell, and the cooling device cools the surrounding environment of the sensor, so that the sensor can be prevented from running in an over-temperature environment, and the sensor can be protected against smashing, thereby greatly reducing the failure rate of the sensor in a high-temperature severe environment, prolonging the service life of the sensor, reducing the equipment maintenance cost and ensuring the smooth production.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is an external view of the present invention;

FIG. 2 is a schematic view of the structure of the slide rail type base;

FIG. 3 is a schematic view of the split state of the slide mount;

FIG. 4 is a schematic view of the structure of the protective cover;

FIG. 5 is a schematic view of the protective cover in a separated state;

fig. 6 is a schematic view of the mounting of the cooling device on the protective cover.

The reference numbers in the figures are: 10. the device comprises a sliding rail type base, 11, a left side base, 12, a right side base, 13, a sliding rail, 14, a base positioning groove, 15, a fastening jackscrew, 16, a fastening screw hole, 17, a fastening screw groove, 18, a fastening screw, 20, a protective cover, 21, a left cover body, 22, a right cover body, 23, the bottom edge of a side vertical plate, 24, a shell rear side face, 25, a butterfly nut, 26, a fixing screw hole, 27, a shell positioning groove, 30, a semiconductor refrigeration piece, 31, a semiconductor refrigeration piece group, 32, a cooling fin, 33, a cooling fan, 34 and an air hole.

Detailed Description

The utility model provides a high-temperature protection device for a sensor, which utilizes the heat exchange refrigeration principle of a semiconductor refrigeration sheet, reduces the temperature of the surrounding environment of the sensor through the heat transfer of a heat radiating sheet and the forced air exhaust of a fan, and solves the problems in the prior art.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer and more complete description of the technical solutions of the embodiments of the present invention will be given below with reference to the accompanying drawings of the embodiments, and it is obvious that the described embodiments are a small part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 6, the present invention includes a slide rail base 10, an aluminum alloy protective cover 20, a semiconductor cooling fin group 31, a cooling fin 32, and a cooling fan 33.

Fig. 2 and 3 show that the slide rail type base 10 is divided into a left base 11 and a right base 12. The left base 11 is of a hollow structure, a socket matched with the right base 12 is arranged at the right end of the left base, a base positioning groove 14 and a fastening jackscrew 15 are arranged at the front end and the rear end of the left base and used for connecting the right base 12, and two fastening screw holes 16 are arranged on the upper portion of the left base 11 and used for fixing a sensor. The right base 12 is a solid structure, has two fastening screw grooves 17 (which can prevent the fastening screws in the fastening screw holes 16 from interfering with the right base 12) and can be inserted into the left base 11, and the insertion depth can be adjusted according to the size of the sensor, thereby adjusting the width of the whole slide rail base 10. The left and right parts of the slide rail type base 10 are combined and then fixed by the fastening jackscrews 15 at the two ends of the left base 11. Slide rails 13 are arranged on the upper portion of the left end of the left base 11 and the upper portion of the right end of the right base 12 and used for clamping the protection cover 20.

Fig. 4 and 5 show that the protective cover 20 is a box-shaped structure with an open bottom and a front, and is formed by connecting a left cover body 21 and a right cover body 22, and the size of the protective cover corresponds to that of the slide rail type base 10. The top plate and the rear vertical plate of the left cover body 21 are provided with transverse housing positioning grooves 27, the top plate and the rear vertical plate of the right cover body 22 are provided with fixing screw holes 26, and the left cover body 21 can be inserted into the right cover body 22 (the top plate and the rear vertical plate of the left cover body and the right cover body are in sliding lap joint) to form a whole and is fixed by bolts and butterfly nuts 25 penetrating through the fixing screw holes 26 and the housing positioning grooves 27. The side vertical plates of the left cover body 21 and the right cover body 22 are both provided with strip-shaped air holes 34, and the positions of the inner sides of the side vertical plates of the left cover body 21 and the right cover body 22 corresponding to the air holes 34 are sequentially provided with a semiconductor refrigerating sheet set 31, a radiating fin 32 and a radiating fan 33 from inside to outside.

As shown in fig. 1, 2 and 5, the left and right vertical plate bottom edges 23 of the protective cover 20 are respectively inserted into the slide rails 13 on both sides of the slide rail type base 10 and fixed.

Fig. 6 shows that the semiconductor chilling plate group 31 is formed by connecting a plurality of semiconductor chilling plates 30 in parallel, the power supply voltage is 24V, the size of a single semiconductor chilling plate 30 is 40 × 3.47mm, the number of the semiconductor chilling plates 30 on each side is 16, a 4 × 4 square matrix is formed, the hot end of the semiconductor chilling plate group 31 is adhered to the radiating fin 32 through radiating silicone grease, and the cold end of the semiconductor chilling plate group is close to the sensor.

Fig. 6 shows that the heat sink 32 is made of aluminum alloy and is attached to the hot end of the semiconductor cooling fin group 31, and the length and width of the heat sink are the same as those of the semiconductor cooling fin group 31.

Fig. 6 shows that the heat dissipation fan 33 is fastened to the heat dissipation plate 32 to draw heat from the heat dissipation plate 32 out of the protection cover 20.

The utility model utilizes the semiconductor refrigeration piece and the cooling fan to reduce the ambient temperature around the sensor, can meet the working temperature requirement of the sensor, effectively reduces the probability of damage of the sensor and prolongs the service life of the sensor. In addition, the utility model can also provide anti-smashing protection for the sensor and has the characteristics of simplicity and easy disassembly; the sensor with different sizes can be adapted by adjusting the distance between the left part and the right part, has good universality and can be adapted to sensors with various types and models.

Claims

1. The utility model provides a sensor high temperature protection device, characterized by, includes protecting sheathing and cooling device, protecting sheathing is anterior open-ended box, and the sensor that needs the protection is installed in protecting sheathing's inside, cooling device fixes in the safety cover, cools off the peripheral environment of sensor.

2. The sensor high-temperature protection device of claim 1, wherein the cooling device comprises a semiconductor refrigerating fin group (31), a heat sink (32) and a heat dissipation fan (33), air holes (34) are formed in the side wall of the protective shell, the heat dissipation fan (33) is fixed between the side wall of the protective shell and the heat sink (32) and corresponds to the air holes (34), the hot end of the semiconductor refrigerating fin group (31) is adhered to the heat sink (32) through heat dissipation silicone grease, and the cold end of the semiconductor refrigerating fin group is close to the sensor.

3. The high-temperature sensor protection device according to claim 2, wherein the protective housing comprises a slide rail type base (10) and a protective cover (20) mounted on the upper portion of the slide rail type base (10), the sensor to be protected is mounted in the middle of the upper surface of the slide rail type base (10), the slide rails (13) are arranged at the left end and the right end of the slide rail type base (10), the protective cover (20) is a box structure with an open bottom and a front portion, and left and right side vertical plates of the protective cover are respectively clamped with the slide rails (13) at the left end and the right end of the slide rail type base (10).

4. The high-temperature sensor protection device of claim 3, wherein the slide rail type base (10) is formed by connecting a left base (11) and a right base (12), the left base (11) is of a hollow structure, the right end of the left base is provided with a socket matched with the right base (12), the left end of the right base (12) is inserted into the left base (11) and is fixedly connected with the left base (11) through a fastening jackscrew (15), and the left end of the left base (11) and the right end of the right base (12) are both provided with slide rails (13); the protective cover (20) is formed by connecting a left cover body (21) and a right cover body (22), and a top plate and a rear vertical plate of the left cover body (21) and the right cover body (22) are in sliding lap joint and are locked by butterfly nuts (25).

5. The high-temperature sensor protection device as claimed in claim 4, wherein the cooling devices are arranged in two sets and are symmetrically arranged on the side vertical plates of the left cover body (21) and the right cover body (22).

6. The high-temperature sensor protection device as claimed in claim 5, wherein the heat sink (32), the left cover body (21) and the right cover body (22) are all made of aluminum alloy.