CN109764974A

CN109764974A - A thermocouple for long-distance temperature measurement of a high-temperature torch

Info

Publication number: CN109764974A
Application number: CN201910077653.2A
Authority: CN
Inventors: 毛文章; 李传友; 李训卫; 张俊; 林柏意
Original assignee: Anhui Tiankang Group Co Ltd
Current assignee: Anhui Tiankang Group Co Ltd
Priority date: 2019-01-28
Filing date: 2019-01-28
Publication date: 2019-05-17

Abstract

The invention discloses a kind of high temperature resistant torch remote temperatures to measure thermocouple, including meter housing and thermocouple wire, protective device, the meter housing lower end is equipped with measurement pipe, the measurement pipe connects protective device far from one end of meter housing, the thermocouple wire is set in measurement pipe, temperature divertor is equipped with inside the meter housing, single-chip microcontroller, wireless signal transmitter, the temperature divertor, wireless signal transmitter is electrically connected with single-chip microcontroller, the protective device is double cylinder structure, the internal layer cylindrical body is equipped with through-hole, described thermocouple wire one end is placed in internal layer cylindrical body, the other end stretches out protective device across through-hole along internal layer cylindrical body and outer cylindrical body and is connected to temperature divertor, high temperature resistant heat insulation glue is filled between the internal layer cylindrical body and outer cylindrical body of the protective device, of the invention is beneficial Effect are as follows: temperature can be measured under high temperature torch, while realizing the long-range monitoring of temperature measurement, meet remote temperature data transmission.

Description

A kind of high temperature resistant torch remote temperature measurement thermocouple

Technical field

The invention belongs to Thermocouples Technology fields more particularly to a kind of high temperature resistant torch remote temperature to measure thermocouple.

Background technique

Flare system be for handle petrochemical plant, oil plant, chemical plant and other factories or device can not recycle and The combustible and poisonous gas of reprocessing and the special combustion plant of steam are one for guaranteeing factory safety production, reducing environmental pollution Item important measures, safely and steadily running the safety in production for enterprise has vital meaning.

The advantages that closed ground torch is few due to having land occupation, easy to maintain, and safe and environment-friendly property is preferable, obtains more next More concerns and application needs to measure temperature therein and persistently monitor in flare system combustion process, and by In the high temperatures and closure of flare system, artificial temperature measurement cannot achieve, it is therefore desirable to which one kind being capable of high temperature resistant and energy Enough realize the temperature measuring thermocouple of distance data transmission.

Summary of the invention

In view of the above deficiencies, the present invention provides a kind of high temperature resistant torch remote temperatures to measure thermocouple, can be in height Temperature is measured under warm fire torch, while can be realized the long-range monitoring of temperature measurement, meets remote temperature data transmission.

The present invention is achieved by the following technical solutions: a kind of high temperature resistant torch remote temperature measurement thermocouple, packet Include meter housing and thermocouple wire, protective device, the meter housing lower end is equipped with measurement pipe, the measurement pipe far from meter housing one End connection protective device, the thermocouple wire are set in measurement pipe, and temperature divertor, monolithic are equipped with inside the meter housing Machine, wireless signal transmitter, the temperature divertor, wireless signal transmitter are electrically connected with single-chip microcontroller, the protection dress It is set to double cylinder structure, the internal layer cylindrical body is equipped with through-hole, and described thermocouple wire one end is placed in internal layer cylindrical body, The other end stretches out protective device across through-hole along internal layer cylindrical body and outer cylindrical body and is connected to temperature divertor, the guarantor Between the internal layer cylindrical body and outer cylindrical body of protection unit be filled with high temperature resistant heat insulation glue, the temperature divertor, driver and Wireless signal transmitter is electrically connected with single-chip microcontroller.

As a preferred technical solution of the present invention, the part that the thermocouple wire is located at internal layer cylindrical body is curved Shape.

As a preferred technical solution of the present invention, the inner ring of the outer cylindrical body of the protective device and measurement pipe Outer ring is fixedly connected.

As a preferred technical solution of the present invention, power module, the power module are equipped with inside the meter housing It can be rechargeable lithium batteries.

As a preferred technical solution of the present invention, the surface of the meter housing is equipped with display, goes back inside meter housing Equipped with driver, the driver and single-chip microcontroller are electrically connected, and the display and driver are electrically connected.

Compared with prior art, the invention has the benefit that

1, in closed high temperature flare system, temperature is measured using thermocouple wire temperature-sensing element, it is on the one hand aobvious by driver Show in the display, be on the other hand transmitted on remote monitoring platform by wireless signal transmitter, is realized under torch high temperature Temperature real-time measurement monitoring；

2, thermocouple wire end is arranged in protective device, avoids thermocouple wire and contacted with the direct of shell, heat can be prevented With shell direct short-circuit when thermocouple wire is exposed, and the contact area with test environment is increased by the Curve Design of thermocouple wire, Increase temperature-sensitive area, filled high-temperature adiabatic gum can reduce the heat losses in thermocouple wire temperature transmittance process, improve measurement Accuracy.

Detailed description of the invention

Fig. 1 is schematic structural view of the invention；

Fig. 2 is the enlarged drawing of A in schematic structural view of the invention；

System schematic in Fig. 3 present invention.

Reference signs list: 1, meter housing；2, thermocouple wire；3, protective device；4, measurement pipe；5, internal layer cylindrical body；6, Outer cylindrical body；7, high temperature resistant heat insulation glue；8, display.

Specific embodiment

With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific embodiments are only For illustrating the present invention rather than limiting the scope of the invention.It should be noted that word " preceding " used in the following description, " rear ", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" refer respectively to direction or remote Direction from geometric center of specific component.

A kind of high temperature resistant torch remote temperature measures thermocouple, including meter housing 1 and thermoelectricity as shown in Figure 1, Figure 2, Figure 3 shows Thermo wires 2, protective device 3,1 lower end of meter housing are equipped with measurement pipe 4, and the measurement pipe 4 is connected far from one end of meter housing 1 and protected Protection unit 3, the thermocouple wire 2 are set in measurement pipe 4, and temperature divertor, single-chip microcontroller, nothing are equipped with inside the meter housing 1 Line signal projector, the temperature divertor, wireless signal transmitter are electrically connected with single-chip microcontroller, and the protective device 3 is Double cylinder structure, the internal layer cylindrical body 5 are equipped with through-hole, and described thermocouple wire one end is placed in internal layer cylindrical body 5, separately One end stretches out protective device 3 across through-hole along internal layer cylindrical body 5 and outer cylindrical body 6 and is connected to temperature divertor, described High temperature resistant heat insulation glue 7, the temperature divertor, driving are filled between the internal layer cylindrical body 5 and outer cylindrical body 6 of protective device Device and wireless signal transmitter are electrically connected with single-chip microcontroller.

As a kind of embodiment of the invention, the part that the thermocouple wire 2 is located at internal layer cylindrical body 5 is curvilinear, increases The temperature-sensitive area of big thermocouple.

As a kind of embodiment of the invention, the inner ring of the outer cylindrical body 6 of the protective device 3 and measurement pipe 4 it is outer Circle is fixedly connected.

As a kind of embodiment of the invention, it is equipped with power module inside the meter housing, is single-chip microcontroller, temperature divertor Power supply is provided, the power module can be rechargeable lithium batteries, facilitate charging and avoid replacement battery.

As a kind of embodiment of the invention, the surface of the meter housing 1 is equipped with display 8, is additionally provided with inside meter housing 1 Driver, the driver and single-chip microcontroller are electrically connected, and the display 8 and driver are electrically connected, can be on thermocouple Show the temperature of measurement.

For the present invention in use, thermocouple is fixed on testee, thermocouple wire 2 detects temperature information, and temperature turns The temperature information of physical measurement is converted to electric signal and passes to single-chip microcontroller by parallel operation, and wherein single-chip microcontroller can be 51 series, single-chip microcontroller It after handling data, is on the one hand shown in display 8 by driver, is on the other hand passed by wireless signal transmitter It is delivered on remote monitoring platform, realizes the temperature real-time measurement monitoring under torch high temperature, the setting of 2 end of thermocouple wire is being protected In device 3, avoids thermocouple wire 2 and contacted with the direct of measurement pipe 4, it is direct with measurement pipe 4 when thermocouple wire 2 can be prevented exposed Short circuit, and the contact area with test environment is increased by the Curve Design of thermocouple wire 2, increase temperature-sensitive area, fills resistance to height Warm adiabatic gum 7 can reduce the heat losses in 2 temperature transmittance process of thermocouple wire.

Finally, it should be noted that being not intended to restrict the invention the foregoing is merely preferred embodiment of the invention, to the greatest extent Present invention has been described in detail with reference to the aforementioned embodiments for pipe, for those skilled in the art, still can be with It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in guarantor of the invention Within the scope of shield.

Claims

1. a long-distance temperature measurement thermocouple of a high-temperature torch, is characterized in that: comprise instrument shell and thermocouple wire, protection device, described instrument shell lower end is provided with measuring tube, and described measuring tube is away from one end connection protection of instrument shell The thermocouple wire is arranged in the measuring tube, and the inside of the instrument shell is provided with a temperature converter, a single-chip microcomputer, and a wireless signal transmitter. The temperature converter and the wireless signal transmitter are all electrically connected to the single-chip microcomputer. The device is a double-layer cylinder structure, the inner cylinder is provided with a through hole, one end of the thermocouple wire is placed in the inner cylinder, and the other end passes through the through hole along the space between the inner cylinder and the outer cylinder. The protection device is connected to the temperature converter, the inner cylinder and the outer cylinder of the protection device are filled with high temperature resistant heat insulation glue, and the temperature converter, the driver and the wireless signal transmitter are all connected with the single chip microcomputer. Electrical connection.

2 . The long-distance temperature measurement thermocouple of a high-temperature-resistant torch according to claim 1 , wherein the part of the thermocouple wire located in the inner cylinder is curved. 3 .

3 . The long-distance temperature measurement thermocouple of a high temperature resistant torch according to claim 1 , wherein the inner ring of the outer cylinder of the protection device is fixedly connected to the outer ring of the measuring tube. 4 .

4 . The long-distance temperature measurement thermocouple of a high temperature resistant torch according to claim 1 , wherein a power supply module is arranged inside the instrument shell, and the power supply module can be a rechargeable lithium battery. 5 .

5. The long-distance temperature measurement thermocouple of a high temperature resistant torch according to claim 1, characterized in that: the surface of the instrument shell is provided with a display, the inside of the instrument shell is also provided with a driver, and the driver is electrically connected to the single-chip microcomputer , the display and the driver are electrically connected.