CN111537110A

CN111537110A - Thermocouple capable of sampling and measuring

Info

Publication number: CN111537110A
Application number: CN202010322995.9A
Authority: CN
Inventors: 庞伟; 李黎辉; 刘华; 洪勇
Original assignee: China Resources Power Hunan Liyujiang Co Ltd
Current assignee: China Resources Power Hunan Liyujiang Co Ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-08-14

Abstract

The invention discloses a thermocouple capable of sampling and measuring, which comprises a dropper barrel, a dropper head and a thermocouple main body, wherein the lower end of the dropper barrel is connected with a dropper tip, a connecting plate is fixed above the dropper barrel, a sealing gasket is arranged on the right side of the dropper barrel, a lead is connected to the right side of the sealing gasket, the dropper head is arranged above the connecting plate, a lantern ring is arranged at the connecting position of the dropper head and the connecting plate, the thermocouple main body is arranged in the dropper barrel, clamping strips are fixed on the left side and the right side of the upper end of the thermocouple main body, a handle piece is arranged on the upper surface of the thermocouple main body, a circular groove is formed in the middle of the inner wall of the connecting plate, an outer groove is formed in the middle of the outer wall of the connecting plate, and. The thermocouple capable of sampling and measuring is provided with a dropper tube, a dropper tip and a dropper head which are combined together to form a dropper capable of sampling, directly samples reaction solution, and is convenient to use.

Description

Thermocouple capable of sampling and measuring

Technical Field

The invention relates to the technical field of thermocouples, in particular to a thermocouple capable of sampling and measuring.

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).

At present, in the chemical production industry, need sample some target objects sometimes and then measure the temperature, and current thermocouple is not convenient for take a sample the temperature measurement to reaction solution, need take a sample to reaction solution through sampling device, carries out temperature measurement again, has troublesome poeration and hard problem, for this reason, we propose a thermocouple that can take a sample and measure.

Disclosure of Invention

The invention aims to provide a thermocouple capable of sampling and measuring, which aims to solve the problems that in the prior art, in the chemical production industry, part of target objects need to be sampled and then temperature measurement is carried out sometimes, the existing thermocouple is inconvenient for sampling and measuring temperature of reaction solution, a sampling device needs to be used for sampling the reaction solution and then carrying out temperature measurement, and operation is troublesome and labor-consuming.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a thermocouple that can take a sample and measure, includes burette barrel, burette head and thermocouple main part, the lower extreme of burette barrel is connected with the burette point, and the top of burette barrel is fixed with the connecting plate, sealed the pad is installed on the right side of burette barrel, and sealed right side of filling up is connected with the wire, burette head installs in the top of connecting plate, and the junction of burette head and connecting plate is provided with the lantern ring, the thermocouple main part is settled in the inside of burette barrel, and the upper end left and right sides of thermocouple main part all is fixed with the card strip, the last surface mounting of thermocouple main part has the handle piece, the annular has been seted up to the inner wall intermediate position of connecting plate, and the outer wall intermediate position of connecting plate has seted.

Preferably, the dropper barrel and the dropper tip are both transparent hollow structures, and the dropper tip forms a communication structure with the dropper head through the dropper barrel.

Preferably, the lead penetrates through the sealing gasket and the interior of the dropper tube, and the lead is tightly attached to the sealing gasket.

Preferably, the structure of the dropper head is an elastic hollow structure, and the dropper head is made of rubber.

Preferably, the size between the lantern ring and the outer groove is identical, the structure of the lantern ring is an elastic structure, and the lantern ring passes through the outer groove and forms a clamping structure with the connecting plate.

Preferably, the size of the clamping strip is matched with the size of the ring groove and the size of the vertical groove, and the vertical groove is perpendicular to the ring groove.

Compared with the prior art, the invention has the beneficial effects that:

1. the thermocouple capable of sampling and measuring is provided with the dropper barrel, the dropper tip and the dropper head which are combined together to form the dropper capable of sampling, so that a reaction solution can be conveniently and directly sampled, a sampling device is not required to be additionally used for sampling, the use is convenient, and the dropper barrel and the dropper tip are in a transparent state, so that a worker can conveniently observe the amount of a sampled sample during sampling;

2. the dropper head is pressed to discharge air in the dropper tube barrel and the dropper tip, so that a negative pressure state is formed in the dropper tube barrel and the dropper tip, reaction solution can be automatically sucked to finish sampling, the use is convenient and quick, and the reaction solution can submerge part of a thermocouple main body after one-time sampling, so that the temperature of the thermocouple main body can be conveniently measured;

3. set up the lantern ring and detain in the outer groove of connecting plate surface, and the lantern ring has good elasticity to make things convenient for later stage to the dismantlement and the change of burette head, set up the card strip and can slide at the annular with perpendicular inslot portion, so that inlay the thermocouple main part inside the burette barrel, card and sliding connection simple structure, convenient to use no matter install earlier stage or later stage are dismantled, and its operation is all more convenient.

Drawings

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

FIG. 2 is a schematic view of the internal cross-sectional structure of the present invention;

FIG. 3 is an enlarged view of the main body and the connection plate of the thermocouple according to the present invention;

FIG. 4 is a schematic top view of the thermocouple assembly of the present invention.

In the figure: 1. a dropper tube; 2. a dropper tip; 3. a connecting plate; 4. a gasket; 5. a wire; 6. a dropper head; 7. a collar; 8. a thermocouple body; 9. clamping the strip; 10. a handle piece; 11. a ring groove; 12. an outer tank; 13. a vertical slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a thermocouple capable of sampling and measuring comprises a dropper tube 1, a dropper tip 2, a connecting plate 3, a sealing gasket 4, a lead 5, a dropper head 6, a lantern ring 7, a thermocouple main body 8, a clamping strip 9, a handle piece 10, a ring groove 11, an outer groove 12 and a vertical groove 13, wherein the lower end of the dropper tube 1 is connected with the dropper tip 2, the connecting plate 3 is fixed above the dropper tube 1, the sealing gasket 4 is installed on the right side of the dropper tube 1, the lead 5 is connected to the right side of the sealing gasket 4, the lead 5 penetrates through the sealing gasket 4 and the dropper tube 1, the lead 5 and the sealing gasket 4 are tightly attached to each other, the lead 5 can penetrate out of the dropper tube 1 through the sealing gasket 4, the sealing gasket 4 improves the sealing effect of the penetrating position of the lead 5, and the stabilizing effect of the internal air pressure of;

the dropper head 6 is arranged above the connecting plate 3, the connecting part of the dropper head 6 and the connecting plate 3 is provided with the lantern ring 7, the structure of the dropper tube 1 and the dropper tip 2 is a transparent hollow structure, the dropper tip 2 forms a communicating structure with the dropper head 6 through the dropper tube 1, the dropper tip 2 and the dropper head 6 are combined together to form a dropper capable of sampling, the reaction solution can be directly sampled conveniently, a sampling device is not required to be additionally used for sampling, the use is convenient, the dropper tube 1 and the dropper tip 2 are in a transparent state, the amount of a sampling sample can be conveniently observed by a worker during sampling, the dropper head 6 is in an elastic hollow structure, the dropper head 6 is made of rubber, air in the dropper tube 1 and the dropper tip 2 can be discharged by pressing the dropper head 6, and therefore the negative pressure state is formed inside the dropper tube 1 and the dropper tip 2, the reaction solution can be automatically sucked to finish sampling conveniently and quickly, and part of the thermocouple main body 8 can be submerged by the reaction solution after one-time sampling, so that the temperature of the thermocouple main body 8 can be conveniently measured;

the thermocouple main body 8 is arranged in the dropper barrel 1, the left side and the right side of the upper end of the thermocouple main body 8 are respectively fixed with a clamping strip 9, the upper surface of the thermocouple main body 8 is provided with a handle piece 10, the middle position of the inner wall of the connecting plate 3 is provided with an annular groove 11, the middle position of the outer wall of the connecting plate 3 is provided with an outer groove 12, the size between the lantern ring 7 and the outer groove 12 is matched, the structure of the lantern ring 7 is an elastic structure, the lantern ring 7 forms a clamping structure with the connecting plate 3 through the outer groove 12, the lantern ring 7 is sleeved and buckled in the outer groove 12 on the outer surface of the connecting plate 3, the lantern ring 7 has good elasticity, so that the dropper head 6 is convenient to be disassembled and replaced in the later period, the inner walls on the front side and the rear side of the connecting plate 3 are respectively provided with a vertical groove 13, the size of the clamping strips 9 is, set up card strip 9 and can be in annular 11 and the inside slip of perpendicular groove 13 to inlay thermocouple main part 8 inside burette pipe 1, card and sliding connection simple structure, convenient to use no matter be installation earlier stage or later stage dismantlement, its operation is all more convenient.

The working principle is as follows: for the thermocouple capable of sampling and measuring, firstly, the dropper head 6 is squeezed and pinched to the middle, the dropper head 6 is compressed together under stress, thereby partial air in the dropper tube 1 and the dropper tip 2 is discharged, then the dropper tip 2 is immersed in the reaction solution, when the dropper head 6 is released, the dropper tip 2 adsorbs partial reaction solution to enter the dropper tube 1, sampling is completed, at the moment, the thermocouple main body 8 contacts with the sample, temperature measurement is carried out on the sample, the temperature measurement information can be transmitted to other equipment through the lead 5, the sealing gasket 4 improves the sealing effect of the connection part of the lead 5 and the dropper tube 1, air pressure leakage is avoided, when the whole device needs to be disassembled, the lantern ring 7 is firstly pulled outwards, so that the lantern ring 7 leaves the inner part of the outer groove 12, then the dropper head 6 is pulled, namely, the dropper head 6 can be disassembled from the connecting plate 3, then the handle piece 10 is held, the handle piece 10 is rotated, the handle piece 10 drives the clamping strip 9 to slide in the annular groove 11, and the clamping strip 9 is rotated by a certain angle until the clamping strip 9 is located at the intersection of the annular groove 11 and the vertical groove 13, the handle piece 10 is lifted upwards at the moment, the handle piece 10 can drive the clamping strip 9 to slide in the vertical groove 13, the thermocouple main body 8 can be taken out from the inner part of the burette barrel 1, and the whole thermocouple use process capable of sampling and measuring is completed.

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. A thermocouple for taking sample measurements, comprising a dropper tube (1), a dropper head (6) and a thermocouple body (8), characterized in that: the lower end of the dropper tube (1) is connected with a dropper tip (2), a connecting plate (3) is fixed above the dropper tube (1), a sealing gasket (4) is arranged on the right side of the dropper tube (1), the right side of the sealing gasket (4) is connected with a lead (5), the dropper head (6) is arranged above the connecting plate (3), a lantern ring (7) is arranged at the joint of the dropper head (6) and the connecting plate (3), the thermocouple main body (8) is arranged in the dropper tube (1), and the left and right sides of the upper end of the thermocouple main body (8) are fixed with clamping strips (9), a handle piece (10) is arranged on the upper surface of the thermocouple main body (8), a ring groove (11) is arranged in the middle of the inner wall of the connecting plate (3), and an outer groove (12) is formed in the middle of the outer wall of the connecting plate (3), and vertical grooves (13) are formed in the inner walls of the front side and the rear side of the connecting plate (3).

2. A thermocouple for taking sample measurements according to claim 1, wherein: the structure of the dropper tube (1) and the dropper tip (2) are both transparent hollow structures, and the dropper tip (2) forms a communication structure with the dropper head (6) through the dropper tube (1).

3. A thermocouple for taking sample measurements according to claim 1, wherein: the lead (5) penetrates through the sealing gasket (4) and the interior of the dropper tube (1), and the lead (5) is tightly attached to the sealing gasket (4).

4. A thermocouple for taking sample measurements according to claim 1, wherein: the structure of the dropper head (6) is an elastic hollow structure, and the dropper head (6) is made of rubber.

5. A thermocouple for taking sample measurements according to claim 1, wherein: the size between the lantern ring (7) and the outer groove (12) is matched, the structure of the lantern ring (7) is an elastic structure, and the lantern ring (7) forms a clamping structure with the connecting plate (3) through the outer groove (12).

6. A thermocouple for taking sample measurements according to claim 1, wherein: the size of the clamping strip (9) is matched with the size of the annular groove (11) and the size of the vertical groove (13), and the vertical groove (13) is perpendicular to the annular groove (11).