CN218673963U

CN218673963U - Corrosion-resistant thermocouple

Info

Publication number: CN218673963U
Application number: CN202223248956.2U
Authority: CN
Inventors: 陈土娟; 李超龙; 陈康贤; 易阳彬; 陈观德; 梁秀玉; 李群妹
Original assignee: Guangzhou Yinglong Sensor Co ltd
Current assignee: Guangzhou Yinglong Sensor Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-03-21
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses a corrosion-resistant thermocouple relates to thermocouple technical field, including the thermocouple body, the thermocouple body is including showing detection subassembly, show detection subassembly's bottom surface fixedly connected with measuring unit, measuring unit's surface swing joint has the protection subassembly, it is including display device, outer wiring end, terminal and visor to show detection subassembly, display device's surface and the detachable connection of inner wall of visor, display device's surface and the wiring end fixed connection of outer wiring end, the output of outer wiring end and the one end electric connection of terminal. The utility model discloses a protection subassembly protects measuring component's surface to can ensure the thermocouple and protect measuring component when not using, dismantle simultaneously when installing, it is comparatively convenient, ensured that the thermocouple can receive fine protection at the in-process that does not use.

Description

Corrosion-resistant thermocouple

Technical Field

The utility model relates to a thermocouple technical field, concretely relates to corrosion-resistant thermocouple.

Background

The thermocouple is a commonly used temperature measuring element in a temperature measuring instrument, directly measures temperature, converts a temperature signal into a thermal electromotive force signal, and converts the thermal electromotive force signal into the temperature of a measured medium through an electric instrument (a secondary instrument). The appearance of various thermocouples is very different according to needs, but the basic structures of the thermocouples are almost the same, and the thermocouples are generally composed of main parts such as a thermode, an insulating sleeve protection tube, a junction box and the like, and are generally matched with a display instrument, a recording instrument and an electronic regulator for use.

In the prior art, a patent document with publication number CN215573403U proposes a corrosion-resistant platinum-rhodium thermocouple, which includes a connection terminal, a slot box and a fastening bolt connected below the slot box, wherein one free end of the connection terminal is connected with the outer side of the slot box in a penetrating manner, the other free end of the connection terminal is provided with a baffle, and a cable is inserted into the inner side of the connection terminal; the top of the wire slot box is provided with a through hole which is obliquely arranged, a sealing cover which is matched with the through hole is arranged above the through hole, and the sealing cover is connected with the wire slot box in a fastening bolt connection mode; the top of the fastening bolt is communicated with the bottom of the wire groove box, the bottom of the fastening bolt is provided with a protective sleeve, the protective sleeve and the inner side of the fastening bolt are provided with through holes connected with a temperature measuring element, the bottom of the protective sleeve is connected with a circular plate through a limiting ring in a sealing mode, the middle of the inner side of the circular plate is fixedly connected with a reinforcing plate, and a bearing ring protruding from the surface to the center is integrally formed in the middle of the reinforcing plate.

In order to solve the problem that the protectiveness of thermocouple is lower, prior art adopts the sealed terminal cooperation that sets up of lid that sets up to set up the wire casing box can let the mode that whole thermocouple can be better and binding post make up handle, thereby satisfy the normal use of whole thermocouple, but still can appear unable guarantee thermocouple and at the in-process of depositing, the condition that can't protect the measuring end, when the measuring end takes place to damage simultaneously, can't detect out the measuring end and whether leak damaged problem, and then lead to the problem that the practicality of thermocouple reduces.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a corrosion-resistant thermocouple to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

the utility model provides a corrosion-resistant thermocouple, includes the thermocouple body, the thermocouple body is including showing detection subassembly, show detection subassembly's bottom surface fixedly connected with measuring component, measuring component's surface swing joint has the protection subassembly, show detection subassembly including display device, outer wiring end, terminal and visor.

The utility model discloses technical scheme's further improvement lies in: the surface of display device is connected with the inner wall of visor is detachable, display device's surface and the wiring end fixed connection of outer wiring end, the output of outer wiring end and the one end electric connection of wiring end.

By adopting the technical scheme, the display end of the display device can be protected through the protective cover.

The utility model discloses technical scheme's further improvement lies in: the measuring assembly comprises a corundum sleeve, the upper surface of the corundum sleeve is fixedly connected with the bottom surface of the display device, the bottom surface of the corundum sleeve is fixedly connected with a connecting sleeve, and the bottom surface of the connecting sleeve is fixedly connected with a detection connecting column.

The utility model discloses technical scheme's further improvement lies in: the surface of the detection spliced pole is provided with a groove, the inner wall fixedly connected with pressure measurement device of groove, pressure measurement device's one end extends to the inside of detection spliced pole, and whether gas leakage takes place in the inside that can detect the protective housing through pressure measurement device, if gas leakage takes place, pressure measurement device's data instrument can change, and the user can judge whether the protective housing damages according to pressure measurement device's change, the bottom surface fixedly connected with mounting flange of detection spliced pole, mounting flange's bottom surface fixedly connected with protective housing, the oval end of bottom surface fixedly connected with of protective housing, the inside of protective housing is provided with metal pin, metal pin's terminal and display device's input fixed connection.

The utility model discloses technical scheme's further improvement lies in: the protective housing is including the anticorrosive coating, the anticorrosive coating sets up in the outside, the inner wall of anticorrosive coating is provided with the heat-resistant layer, the inner wall of heat-resistant layer is provided with the isolation layer.

By adopting the technical scheme, the corrosion resistance and the heat resistance of the protective shell can be increased by matching the anticorrosive layer, the heat-resistant layer and the isolating layer.

The utility model discloses technical scheme's further improvement lies in: the protection assembly comprises a fixing block and a protection shell, the upper surface of the fixing block is fixedly connected with the bottom surface of the corundum sleeve, and a clamping hole is formed in the side surface of the fixing block.

The utility model discloses technical scheme's further improvement lies in: the side fixedly connected with limit slide bar of fixed block, the surface of limit slide bar has cup jointed the spring, the one end of spring and the side fixed connection of fixed block, the other end fixedly connected with of spring with limit slide bar surface sliding connection's slide, the inboard fixedly connected with cylinder joint piece of slide, the one end of cylinder joint piece extends to the inside of fixed block.

By adopting the technical scheme, the protective casing can be fixed through the matching of the fixing block, the clamping hole, the limiting slide rod, the spring, the sliding plate and the cylindrical clamping block.

The utility model discloses technical scheme's further improvement lies in: one end of the protective shell is sleeved with the bottom surface of the fixing block, a clamping hole is formed in the side face of the protective shell, and a positioning block is fixedly connected to the outer surface of the protective shell.

By adopting the technical scheme, the protective shell can be conveniently limited through the positioning block.

Owing to adopted above-mentioned technical scheme, the utility model discloses relative prior art, the technological progress who gains is:

1. the utility model provides a corrosion-resistant thermocouple protects measuring component's surface through the protection subassembly to can ensure the thermocouple when not using, protect measuring component.

2. The utility model provides a corrosion-resistant thermocouple measures the position that needs the measuring through measuring component to can detect measuring component's integrity.

Drawings

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

FIG. 2 is a schematic structural view of a measuring assembly of the present invention;

fig. 3 is a schematic structural view of the protection assembly of the present invention;

fig. 4 is a schematic diagram of the display and detection assembly of the present invention.

In the figure: 1. a thermocouple body; 2. a protection component; 21. a fixed block; 211. a clamping hole; 22. a protective housing; 221. a clamping hole; 222. positioning blocks; 23. a limiting slide bar; 24. a spring; 25. a slide plate; 26. a cylindrical clamping block; 3. a display detection component; 31. a display device; 32. an outer terminal; 33. a binding post; 34. a protective cover; 4. a measurement assembly; 41. an elliptical tip; 42. a protective shell; 421. an anticorrosive layer; 422. a heat resistant layer; 423. an isolation layer; 43. a metal pin; 44. installing a flange; 45. detecting the connecting column; 451. a groove; 46. a pressure measuring device; 47. connecting a sleeve; 48. a corundum sleeve.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1-4, the utility model provides a corrosion-resistant thermocouple, including thermocouple body 1, thermocouple body 1 is including showing detection element 3, show detection element 3's bottom surface fixedly connected with measuring element 4, measuring element 4's surface swing joint has protection component 2, show detection element 3 including display device 31, external connection end 32, terminal 33 and visor 34, display device 31's surface and the detachable connection of inner wall of visor 34, display device 31's surface and external connection end 32's wiring end fixed connection, external connection end 32's the output and terminal 33's one end electric connection, can carry out the guard action to display device 31's display instrument panel board through visor 34. And the measurement data can be transmitted through the cooperation of the external terminal 32 and the post 33.

Example 2

As shown in fig. 1-4, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the measuring assembly 4 includes a corundum casing 48, the upper surface of the corundum casing 48 is fixedly connected with the bottom surface of the display device 31, the bottom surface of the corundum casing 48 is fixedly connected with a connection casing 47, the bottom surface of the connection casing 47 is fixedly connected with a detection connection column 45, a groove 451 is formed in the outer surface of the detection connection column 45, the inner wall of the groove 451 is fixedly connected with a pressure measuring device 46, one end of the pressure measuring device 46 extends into the detection connection column 45, whether air leakage occurs inside the protection casing 42 can be detected through the pressure measuring device 46, if air leakage occurs, a data instrument of the pressure measuring device 46 changes, a user can judge whether the protection casing 42 is damaged according to the change of the pressure measuring device 46, the bottom surface of the detection connection column 45 is fixedly connected with a mounting flange 44, the bottom surface of the mounting flange 44 is fixedly connected with the protection casing 42, the bottom surface of the protection casing 42 is fixedly connected with an elliptical end 41, a metal pin 43 is arranged inside the protection casing 42, the end of the metal pin 43 is fixedly connected with the input end of the display device 31, the protection casing 42 includes an anti-corrosion layer 421, the anti-corrosion layer 421 is arranged on the outermost side, the inner wall of the anti-corrosion layer 421, the anti-corrosion layer 422 is arranged on the inner wall of the anti-corrosion layer 421, the inner wall of the anti-corrosion layer 422, the insulation layer 423, the insulation layer 42 can increase the high-temperature-resistance of the anti-corrosion layer 423, and the high-corrosion layer 423.

Example 3

As shown in fig. 1-4, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the protection component 2 includes a fixing block 21 and a protection housing 22, the upper surface of the fixing block 21 is fixedly connected with the bottom surface of the corundum sleeve 48, a clamping hole 211 is formed in the side surface of the fixing block 21, a limit slide rod 23 is fixedly connected to the side surface of the fixing block 21, a spring 24 is sleeved on the outer surface of the limit slide rod 23, one end of the spring 24 is fixedly connected with the side surface of the fixing block 21, the other end of the spring 24 is fixedly connected with a slide plate 25 which can be slidably connected to the outer surface of the limit slide rod 23, a cylindrical clamping block 26 is fixedly connected to the inner side of the slide plate 25, one end of the cylindrical clamping block 26 extends to the inside of the fixing block 21, one end of the protection housing 22 is sleeved with the bottom surface of the fixing block 21, a clamping hole 221 is formed in the side surface of the protection housing 22, a positioning block 222 fixedly connected to the outer surface of the protection housing 22 is used in the thermocouple body 1, the slide plate 25 is shifted to enable the cylindrical clamping block 26 to be separated from the inside of the fixing block 21, then the protection housing 22 is sleeved in the fixing block 21 through the positioning block 222, and then the slide plate 25 is matched with the spring 24, and can automatically rebound to the clamping hole 221 to complete clamping to fix the protection housing 22.

The working principle of the corrosion-resistant thermocouple will be described in detail below.

As shown in fig. 1-4, at first in the use, through stretching into the oval end 41 and testing position cooperation metal pin 43 and measuring the temperature, and through the end of metal pin 43 with data transmission to display device 31 in, show, the cooperation simultaneously, external connection end 32 and terminal 33 transmit data, when using the completion, through stirring slide 25, make cylinder joint piece 26 break away from the inside of fixed block 21, then cup joint protecting sheathing 22 in the inside of fixed block 21 through locating piece 222, then loosen slide 25 cooperation spring 24, can kick-back to the inside of fixed block 21 and carry out the joint with joint hole 221 automatically, accomplish the fixed to protecting sheathing 22.

The present invention has been described in general terms, but it will be apparent to those skilled in the art that modifications and improvements can be made based on the present invention. Therefore, modifications or improvements without departing from the spirit of the invention are within the scope of the invention.

Claims

1. The utility model provides a corrosion-resistant thermocouple, includes thermocouple body (1), thermocouple body (1) is including showing detection component (3), its characterized in that: the utility model discloses a demonstration inspection module, including demonstration inspection module (3), the bottom surface fixedly connected with measurement element (4) of demonstration inspection module (3), the surface swing joint of measurement element (4) has protection component (2), show inspection module (3) including display device (31), external terminal (32), terminal (33) and visor (34).

2. A corrosion-resistant thermocouple according to claim 1, wherein: the surface of display device (31) is connected with the inner wall of visor (34) is detachable, the surface of display device (31) and the wiring end fixed connection of external connection end (32), the output of external connection end (32) and the one end electric connection of terminal (33).

3. A corrosion-resistant thermocouple according to claim 1, wherein: the measuring component (4) comprises a corundum sleeve (48), the upper surface of the corundum sleeve (48) is fixedly connected with the bottom surface of the display device (31), the bottom surface of the corundum sleeve (48) is fixedly connected with a connecting sleeve (47), and the bottom surface of the connecting sleeve (47) is fixedly connected with a detection connecting column (45).

4. A corrosion-resistant thermocouple according to claim 3, wherein: the surface of detection spliced pole (45) is seted up flutedly (451), the inner wall fixedly connected with pressure measurement device (46) of recess (451), the one end of pressure measurement device (46) extends to the inside of detection spliced pole (45), the bottom surface fixedly connected with mounting flange (44) of detection spliced pole (45), the bottom surface fixedly connected with protective housing (42) of mounting flange (44), the oval end (41) of bottom surface fixedly connected with of protective housing (42), the inside of protective housing (42) is provided with metal pin (43), the terminal of metal pin (43) and the input fixed connection of display device (31).

5. A corrosion-resistant thermocouple according to claim 4, in which: the protective housing (42) is including anticorrosive coating (421), anticorrosive coating (421) set up in the outside, the inner wall of anticorrosive coating (421) is provided with heat-resistant layer (422), the inner wall of heat-resistant layer (422) is provided with isolation layer (423).

6. A corrosion-resistant thermocouple according to claim 1, wherein: the protective component (2) comprises a fixing block (21) and a protective shell (22), the upper surface of the fixing block (21) is fixedly connected with the bottom surface of the corundum sleeve (48), and the side surface of the fixing block (21) is provided with a clamping hole (211).

7. A corrosion-resistant thermocouple according to claim 6, wherein: the side fixedly connected with of fixed block (21) is spacing slide bar (23), spring (24) have been cup jointed to the surface of spacing slide bar (23), the one end of spring (24) and the side fixed connection of fixed block (21), the other end fixedly connected with of spring (24) with spacing slide bar (23) surface sliding connection's slide (25), the inboard fixedly connected with cylinder joint piece (26) of slide (25), the one end of cylinder joint piece (26) extends to the inside of fixed block (21).

8. A corrosion-resistant thermocouple according to claim 6, wherein: one end of the protective shell (22) is sleeved with the bottom surface of the fixing block (21), a clamping hole (221) is formed in the side surface of the protective shell (22), and a positioning block (222) is fixedly connected to the outer surface of the protective shell (22).