CN220982486U

CN220982486U - Thermocouple structure for boiler temperature measurement

Info

Publication number: CN220982486U
Application number: CN202323021021.5U
Authority: CN
Inventors: 李衷军; 王小琳; 何春玲
Original assignee: Chongqing Haichen Instrument Complete Engineering Co ltd
Current assignee: Chongqing Haichen Instrument Complete Engineering Co ltd
Priority date: 2023-11-09
Filing date: 2023-11-09
Publication date: 2024-05-17
Anticipated expiration: 2033-11-09

Abstract

The utility model discloses a thermocouple structure for boiler temperature measurement, which comprises a boiler body; the surface of the boiler body is provided with a mounting groove, a protection mechanism is fixedly arranged in the mounting groove, and a placing groove is formed in the protection mechanism; according to the thermocouple device, the fixing mechanisms are symmetrically arranged at the two ends of the protective sleeve, when the protective sleeve is installed in the inner part of the inner accommodating groove of the protective sleeve, the limiting block can be extruded on the inner wall of the accommodating groove to extrude the limiting block into the inner part of the limiting groove, and when the limiting block is separated from the inner wall of the accommodating groove in the protective sleeve, the limiting block can be outwards ejected under the elastic acting force of the inner spring of the limiting block, so that the limiting block on the surface of the protective sleeve and the outer protective sleeve can be fixed into a whole, the thermocouple body can be fixed in the protective sleeve, and then the situation that the thermocouple device is damaged under the action of external force pulling in the using process can be avoided, and the normal use of the thermocouple device can be further ensured.

Description

Thermocouple structure for boiler temperature measurement

Technical Field

The utility model relates to the technical field of thermocouples, in particular to a thermocouple structure for boiler temperature measurement.

Background

In the operation of boiler equipment, the temperature of parts such as a boiler combustion system, a steam-water system, a flue gas system and the like is required to be monitored at any time, so that operators can adjust in time according to the temperature conditions, and the safe operation of the boiler is ensured. The temperature measuring elements used in the general boiler are mostly thermocouples and thermal resistors, and are suitable for low-temperature areas in the boiler according to different material properties of the thermocouples and the thermal resistors, but in areas with higher temperature (the highest point reaches 1100 ℃) such as a combustion chamber and a returning chamber, because the working temperatures of the areas are higher, and dust particles with higher hardness are subjected to strong flushing of high-speed fluidization wind, the thermowell and the core are easy to wear, and the thermowell and the core are easy to burn out and break or core carbonization during operation, so that the thermocouple temperature transmission data is distorted, and the temperature measuring device loses the temperature of the area.

When the thermocouple is in the in-process of using, when one end of thermocouple was received and is pulled, then the condition that drops appears in temperature measurement point and the welding point of thermocouple one end, can not carry out the temperature measurement to the boiler to a certain extent, and then can further the device influence device normal use.

When the thermocouple is in the in-process of using, the temperature measuring head of easy thermocouple one end exposes outside, then welded connection appears the condition that drops easily in long-term use, can not measure the temperature to the boiler to a certain extent, and then can further install the life-span that influences the device use.

Disclosure of utility model

The utility model aims to provide a thermocouple structure for boiler temperature measurement, so as to solve the problems in the prior art.

The utility model provides the following technical scheme: the thermocouple structure for measuring the temperature of the boiler comprises a boiler body; the surface of the boiler body is provided with a mounting groove, the inside of the mounting groove is fixedly provided with a protection mechanism, the inside of the protection mechanism is provided with a placing groove, the inside of the placing groove is provided with a protective sleeve, and the two ends of the protective sleeve are symmetrically provided with fixing mechanisms;

The fixing mechanism comprises limit grooves, springs and limit blocks, wherein the limit grooves are symmetrically formed in the surface of the protective sleeve, the springs are arranged in the limit grooves, and the limit blocks are slidably arranged on one sides of the springs;

The protection mechanism comprises a protection shell, fixing rods and elastic blocks, wherein the fixing rods are fixedly arranged on the inner sides of the protection shell, and the elastic blocks are arranged on the surface of the protection shell at equal intervals.

Preferably, a bonding plate is fixedly arranged on the inner side of the mounting groove, and a heat conducting plate is fixedly arranged on the surface of the bonding plate.

Preferably, the thermocouple body is arranged in the protective sleeve, and the cross section of the limiting block is of a T-shaped structure.

Preferably, the size of the protective housing is matched with the size of the mounting groove, and one end of the fixing rod is attached to the surface of the attaching plate.

Preferably, the surface of the boiler body is provided with a clamping groove, and the clamping groove is matched with the elastic block in size.

Preferably, one end of the thermocouple body is fixedly provided with a temperature measuring head, and the surface of the thermocouple body is fixedly provided with a fixing plate.

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

1. According to the thermocouple device, the fixing mechanisms are symmetrically arranged at the two ends of the protective sleeve, when the protective sleeve is installed in the inner part of the inner accommodating groove of the protective sleeve, the limiting block can be extruded on the inner wall of the accommodating groove to extrude the limiting block into the inner part of the limiting groove, and when the limiting block is separated from the inner wall of the accommodating groove in the protective sleeve, the limiting block can be outwards ejected under the elastic acting force of the inner spring of the limiting block, so that the limiting block on the surface of the protective sleeve and the outer protective sleeve can be fixed into a whole, the thermocouple body can be fixed in the protective sleeve, and then the situation that the thermocouple device is damaged under the action of external force pulling in the using process can be avoided, and the normal use of the thermocouple device can be further ensured.

2. According to the utility model, the protection mechanism is fixedly arranged in the mounting groove, when the elastic block corresponds to the clamping groove on the surface of the mounting groove, the elastic block can spring outwards under the internal elastic acting force, one end of the elastic block can spring into the clamping groove, the protection shell can be fixed in the mounting groove, the temperature measuring head and the welding point of the boiler body are prevented from being exposed in the using process of the device through the arrangement of the protection mechanism, and the situation that the temperature measuring head and the boiler body fall off in the using process of the device can be further ensured, so that the temperature measuring head at one end of the thermocouple body can be rapidly protected, and the normal use of the device can be ensured.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic side cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

Fig. 4 is an enlarged schematic view of the structure of fig. 1B according to the present utility model.

In the figure: 1. a boiler body; 101. a mounting groove; 2. bonding plates; 3. a heat conductive plate; 4. a thermocouple body; 401. a temperature measuring head; 402. a fixing plate; 5. a fixing mechanism; 501. a limit groove; 502. a spring; 503. a limiting block; 6. a protection mechanism; 601. a protective shell; 602. a fixed rod; 603. an elastic block; 7. a placement groove; 8. a clamping groove; 9. and a protective sleeve.

Description of the embodiments

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.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus 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 relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The technical scheme of the utility model is further elaborated below by referring to the drawings in the specification and the specific embodiments.

Examples

The application provides a thermocouple structure for boiler temperature measurement, which comprises a boiler body 1; the surface of the boiler body 1 is provided with a mounting groove 101, the inside of the mounting groove 101 is fixedly provided with a protection mechanism 6, the inside of the protection mechanism 6 is provided with a placing groove 7, the inside of the placing groove 7 is provided with a protective sleeve 9, and two ends of the protective sleeve 9 are symmetrically provided with fixing mechanisms 5;

The fixing mechanism 5 comprises a limit groove 501, a spring 502 and a limit block 503, wherein the limit groove 501 is symmetrically formed on the surface of the protective sleeve 9, the spring 502 is installed in the limit groove 501, the limit block 503 is installed on one side of the spring 502 in a sliding mode, the bonding plate 2 is fixedly installed on the inner side of the installation groove 101, the heat-conducting plate 3 is fixedly installed on the surface of the bonding plate 2, the thermocouple body 4 is installed in the protective sleeve 9, the cross section of the limit block 503 is of a T-shaped structure, the temperature measuring head 401 is fixedly installed at one end of the thermocouple body 4, and the fixing plate 402 is fixedly installed on the surface of the thermocouple body 4;

Specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, when the device is processing the boiler body 1, the personnel can insert thermocouple body 4 one end into the inner chamber of protective sheath 9 this moment, then fix the temperature measurement head 401 of thermocouple body 4 at the inside laminating board 2 of boiler body 1 through welded fastening, then export the heat in the boiler body 1 outwards through heat-conducting plate 3, when the device is in the in-process of using, the personnel installs protective sheath 9 to the inside of the inside standing groove 7 of protective sheath 601, then stopper 503 can extrude at the inner wall of standing groove 7, extrude the inside of limiting groove 501 with stopper 503, then when stopper 503 and the inside standing groove 7 inner wall separation of protective sheath 601, then stopper 503 can outwards pop out under the elastic force of its inside spring 502, thereby can be fixed into a whole through stopper 503 and outside protective sheath 601 on the protective sheath 9 surface, thereby can be with thermocouple body 4 to the inside of fixed 9, then can avoid the device to pull the effect that the protective sheath appears damaging under the in-process of using, and then can further guarantee that the device can normally use.

Different from the first embodiment, the utility model also provides a second embodiment, which is used for solving the problems that when the thermocouple is used, a temperature measuring head at one end of the thermocouple is easy to be exposed, and the thermocouple is easy to fall off in the long-term use process due to welding connection, so that the temperature of a boiler can not be measured to a certain extent, and the service life of the device can be further influenced;

Specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, when personnel fix protective housing 601 in the inside of mounting groove 101, personnel can fix protective housing 601 in the inside of mounting groove 101 this moment, then dead lever 602 can be to contact with laminating board 2, fix it through dead lever 602, when elastic block 603 corresponds with draw-in groove 8 on mounting groove 101 surface, then elastic block 603 can outwards pop out under its inside elastic force, can pop into to the inside of draw-in groove 8 in one end of elastic block 603, and then can fix protective housing 601 in the inside of mounting groove 101, through the setting of protection machanism 6, can avoid boiler body 1 in the in-process of device use, temperature measurement head 401 and boiler body 1 welding point expose outside, and then can further guarantee the device and avoid appearing the condition that temperature measurement head 401 and boiler body 1 drop at the in-process of using, thereby can protect the thermocouple 401 welding of the thermocouple of the one end of body 4, and then can guarantee that the device can normally use.

Working principle: the thermocouple body 4 one end is inserted into the inner cavity of the protective housing 9, then the temperature measuring head 401 of the thermocouple body 4 is fixed on the laminating plate 2 inside the boiler body 1 through welding, then heat in the boiler body 1 is led out outwards through the heat conducting plate 3, when the device is in use, the protective housing 9 is installed inside the protective housing 601 inside the placing groove 7 by personnel, then the stopper 503 can be extruded on the inner wall of the placing groove 7, the stopper 503 is extruded to the inside of the limiting groove 501, then when the stopper 503 is separated from the inner wall of the placing groove 7 inside the protective housing 601, the stopper 503 can be outwards popped out under the elastic acting force of the inner spring 502, so that the stopper 503 on the surface of the protective housing 9 can be fixed into a whole with the outer protective housing 601, when the personnel fix the protective housing 601 inside the mounting groove 101, then the fixing rod 602 can be in contact with the laminating plate 2, when the elastic block is corresponding to the clamping groove 8 on the surface of the mounting groove 101 by the fixing rod 602, then the elastic block 603 can be outwards popped out under the elastic acting force of the inner side of the elastic block 603, and then the elastic block can be fixed inside the protective housing 101 into the inner groove 101.

Finally, what is to be described is: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the examples, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. The thermocouple structure for boiler temperature measurement comprises a boiler body (1); the method is characterized in that: the boiler comprises a boiler body (1), wherein the surface of the boiler body is provided with a mounting groove (101), a protection mechanism (6) is fixedly arranged in the mounting groove (101), a placing groove (7) is formed in the protection mechanism (6), a protective sleeve (9) is arranged in the placing groove (7), and fixing mechanisms (5) are symmetrically arranged at two ends of the protective sleeve (9);

The fixing mechanism (5) comprises a limit groove (501), a spring (502) and a limit block (503), wherein the limit groove (501) is symmetrically formed in the surface of the protective sleeve (9), the spring (502) is arranged in the limit groove (501), and the limit block (503) is slidably arranged on one side of the spring (502);

The protection mechanism (6) comprises a protection shell (601), a fixing rod (602) and an elastic block (603), wherein the fixing rod (602) is fixedly arranged on the inner side of the protection shell (601), and the elastic blocks (603) are arranged on the surface of the protection shell (601) at equal intervals.

2. The thermocouple structure for boiler temperature measurement according to claim 1, wherein: the inner side of the mounting groove (101) is fixedly provided with a bonding plate (2), and the surface of the bonding plate (2) is fixedly provided with a heat-conducting plate (3).

3. The thermocouple structure for boiler temperature measurement according to claim 1, wherein: the thermocouple is characterized in that a thermocouple body (4) is arranged in the protective sleeve (9), and the cross section of the limiting block (503) is of a T-shaped structure.

4. The thermocouple structure for boiler temperature measurement according to claim 1, wherein: the size of the protective shell (601) is matched with the size of the mounting groove (101), and one end of the fixing rod (602) is attached to the surface of the attaching plate (2).

5. The thermocouple structure for boiler temperature measurement according to claim 1, wherein: the surface of the boiler body (1) is provided with a clamping groove (8), and the clamping groove (8) is matched with the elastic block (603) in size.

6. A thermocouple arrangement for boiler temperature measurement according to claim 3, characterized in that: one end of the thermocouple body (4) is fixedly provided with a temperature measuring head (401), and the surface of the thermocouple body (4) is fixedly provided with a fixing plate (402).