CN214951856U

CN214951856U - Length-adjustable dipping thermocouple

Info

Publication number: CN214951856U
Application number: CN202120867571.0U
Authority: CN
Inventors: 谢克飞; 刘邦
Original assignee: Tianjin Exxon Technology Co ltd
Current assignee: Tianjin Exxon Technology Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-11-30
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses a length-adjustable's impregnated thermocouple, which comprises a mounting bas, the mount pad top is equipped with the measuring end, mount pad below and connecting pipe fixed connection, the outer tube has been cup jointed in the connecting pipe outside, the upper end is equipped with the stopper in the outer tube, the connecting pipe is located and has cup jointed the spring between stopper and the depression bar, spring top and stopper fixed connection, spring below and depression bar fixed connection. This kind of length adjustable's flooding formula thermocouple, the depression bar drives the connecting pipe and impels forward, makes the whole length of thermocouple elongated, and the thermoelectric level carries out the temperature measurement to the molten iron temperature, can transmit the data that the thermoelectric machine detected through the wire to make operating personnel can directly observe the temperature variation condition through external machine, this kind of thermocouple simple structure, convenient operation, the whole length of thermocouple is adjustable, has improved the security when thermocouple uses greatly.

Description

Length-adjustable dipping thermocouple

Technical Field

The utility model relates to a thermal analysis technical field specifically is a length adjustable flooding formula thermocouple.

Background

The thermocouple (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 (secondary instrument). The shapes of various thermocouples are very different according to needs, but the basic structures of the thermocouples are approximately the same, the thermocouples are generally composed of main parts such as thermodes, insulating sleeve protective tubes, junction boxes and the like, and the thermocouples are generally matched with display instruments, recording instruments and electronic regulators for use. The thermocouple is to carrying out thermal analysis during operation, need with the thermocouple whole insert inside the molten iron to monitoring the change curve of molten iron temperature, current thermocouple simple structure is when measuring the molten iron, because thermocouple length is limited, the danger that the molten iron scalded operating personnel can appear. To this end, we propose a length-adjustable immersion thermocouple.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a length adjustable flooding formula thermocouple to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a length-adjustable impregnated thermocouple comprises a mounting seat, wherein a measuring end is arranged above the mounting seat and comprises a thermoelectric stage, the lower end of the thermoelectric stage is inserted into the mounting seat, an insulating sleeve is arranged on the outer side of the thermoelectric stage, a protective pipe is arranged on the outer side of the insulating sleeve, an optical fiber coupling socket is arranged below the thermoelectric stage and is positioned in the middle of the mounting seat, a connecting pipe is fixedly connected below the mounting seat, an outer pipe is sleeved on the outer side of the connecting pipe, a limiting block is arranged at the upper end in the outer pipe and is movably connected with the limiting block, a guide groove is formed in one side of the outer pipe, one side of the lower end of the connecting pipe, which is positioned in the guide groove, is fixedly connected with a pressure rod, the outer pipe is positioned above the guide groove and is fixedly connected with a holding rod, and a spring is sleeved between the limiting block and the pressure rod, the spring top and stopper fixed connection, spring below and depression bar fixed connection.

Preferably, the pressure lever is provided with a rubber anti-slip sleeve.

Preferably, three arc-shaped grooves which are distributed at equal intervals are formed in one side, away from the pressure rod, of the holding rod.

Preferably, one end of the fiber coupling socket, which is far away from the thermoelectric stage, is communicated with a wire, and the other end of the wire extends outwards through the inside of the connecting pipe.

Compared with the prior art, the beneficial effects of the utility model are that: this kind of length adjustable's flooding formula thermocouple, the depression bar drives the connecting pipe and impels forward, makes the whole length of thermocouple elongated, and the thermoelectric level carries out the temperature measurement to the molten iron temperature, can transmit the data that the thermoelectric machine detected through the wire to make operating personnel can directly observe the temperature variation condition through external machine, this kind of thermocouple simple structure, convenient operation, the whole length of thermocouple is adjustable, has improved the security when thermocouple uses greatly.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

in the figure: the device comprises a mounting seat 1, a measuring end 2, a thermoelectric stage 21, an insulating sleeve 22, a protective tube 23, an optical fiber coupling socket 24, a connecting tube 3, an outer tube 4, a limiting block 5, a guide groove 6, a pressure bar 7, an anti-slip rubber sleeve 8, a holding rod 9, an arc-shaped groove 10, a spring 11 and a lead 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a length-adjustable immersion thermocouple comprises an installation base 1, a measuring end 2 is arranged above the installation base 1, the measuring end 2 comprises a thermoelectric stage 21, the lower end of the thermoelectric stage 21 is inserted into the installation base 1, an insulating sleeve 22 is arranged on the outer side of the thermoelectric stage 21, a protective pipe 23 is arranged on the outer side of the insulating sleeve 22, an optical fiber coupling socket 24 is arranged below the thermoelectric stage 21, the optical fiber coupling socket 24 is positioned in the middle of the installation base 1, the measuring end 2 can measure the temperature of molten iron and transmit the measured temperature through a lead 12, relevant data are displayed through an analyzer, the thermoelectric stage 21 measures the temperature of the molten iron, the insulating sleeve 22 protects the protective pipe 23 to prevent the temperature from directly contacting the thermoelectric stage 21 to damage the thermoelectric stage 21, the lower side of the installation base 1 is fixedly connected with a connecting pipe 3, an outer pipe 4 is sleeved on the outer side of the connecting pipe 3, the upper end in the outer tube 4 is provided with a limiting block 5, the connecting tube 3 is movably connected with the limiting block 5, one side of the outer tube 4 is provided with a guide groove 6, the connecting tube 3 is positioned at one side of the lower end of the guide groove 6 and fixedly connected with a pressure rod 7, the pressure rod 7 is movably connected with the guide groove 6, one side of the outer tube 4 positioned above the guide groove 6 is fixedly connected with a holding rod 9, a spring 11 is sleeved between the limiting block 5 and the pressure rod 7, the upper part of the spring 11 is fixedly connected with the limiting block 5, the lower part of the spring 11 is fixedly connected with the pressure rod 7, the connecting tube 3 is movably connected with the outer tube 4, so that the connecting tube 3 can reciprocate in the outer tube 4 to press the pressure rod 7, the pressure rod 7 drives the connecting tube 3 to advance, thereby the overall length of the thermocouple is lengthened, the spring 11 is deformed under the pressure of the pressure rod 7, and after the measurement is completed, the pressure lever 7 is reset under the action of the elastic force of the spring 11.

Furthermore, the pressing rod 7 is provided with a rubber anti-slip sleeve 8, and the rubber anti-slip sleeve 8 increases the friction force between the palm and the pressing rod 7, so that the pressing of the pressing rod 7 is facilitated.

Further, three arc-shaped grooves 10 which are arranged at equal intervals are formed in one side, away from the pressure rod 7, of the holding rod 9, and the arc-shaped grooves 10 are matched with fingers, so that the holding rod 9 can be conveniently held.

Furthermore, one end of the optical fiber coupling socket 24, which is far away from the thermoelectric stage 21, is communicated with the wire 12, the other end of the wire 12 extends outwards through the inside of the connecting pipe 3, and data detected by the thermoelectric machine can be transmitted through the wire 12, so that an operator can directly observe temperature change through an external machine.

Specifically, the utility model discloses in, at first, press depression bar 7 when using, depression bar 7 drives connecting pipe 3 and impels forward to make the whole length of thermocouple elongated, later, inside inserting the molten iron with the measuring terminal, thermoelectric level 21 carries out the temperature measurement to the molten iron temperature, can transmit the data that the thermoelectric generator detected through wire 12, thereby makes operating personnel can directly observe the temperature variation condition through external machine.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An impregnated thermocouple of adjustable length, includes mount pad (1), its characterized in that: the measuring device is characterized in that a measuring end (2) is arranged above the mounting seat (1), the measuring end (2) comprises a thermoelectric stage (21), the lower end of the thermoelectric stage (21) is inserted into the mounting seat (1), an insulating sleeve (22) is arranged on the outer side of the thermoelectric stage (21), a protective pipe (23) is arranged on the outer side of the insulating sleeve (22), an optical fiber coupling socket (24) is arranged below the thermoelectric stage (21), the optical fiber coupling socket (24) is positioned in the middle of the mounting seat (1), the lower side of the mounting seat (1) is fixedly connected with a connecting pipe (3), an outer pipe (4) is sleeved on the outer side of the connecting pipe (3), a limiting block (5) is arranged at the inner upper end of the outer pipe (4), the connecting pipe (3) is movably connected with the limiting block (5), a guide groove (6) is formed in one side of the outer pipe (4), the connecting pipe (3) is positioned on one side of the lower end of the guide groove (6) and is fixedly connected with a compression bar (7), depression bar (7) and guide way (6) swing joint, outer tube (4) are located guide way (6) top one side and hold pole (9) fixed connection, connecting pipe (3) are located and have cup jointed spring (11) between stopper (5) and depression bar (7), spring (11) top and stopper (5) fixed connection, spring (11) below and depression bar (7) fixed connection.

2. A length adjustable impregnated thermocouple according to claim 1 wherein: and the compression bar (7) is provided with a rubber anti-skid sleeve (8).

3. A length adjustable impregnated thermocouple according to claim 1 wherein: and one side of the holding rod (9) far away from the pressure rod (7) is provided with three arc-shaped grooves (10) which are distributed at equal intervals.

4. A length adjustable impregnated thermocouple according to claim 1 wherein: one end, far away from the thermoelectric stage (21), of the optical fiber coupling socket (24) is communicated with a lead (12), and the other end of the lead (12) extends outwards through the inside of the connecting pipe (3).