CN215262139U

CN215262139U - Temperature transmitter with accurate temperature measurement

Info

Publication number: CN215262139U
Application number: CN202121845285.0U
Authority: CN
Inventors: 陈灵; 廖平; 梁涛; 陈长胜
Original assignee: Jiangxi Taorui Automation Equipment Co ltd
Current assignee: Jiangxi Taorui Automation Equipment Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2021-12-21
Anticipated expiration: 2031-08-09

Abstract

The utility model discloses an accurate temperature transmitter of temperature measurement, including changer body, thermocouple ware, temperature monitoring end and deformation subassembly, the bottom of changer body is fixed with the thermocouple ware, and the bottom of thermocouple ware is equipped with the temperature monitoring end, and the bottom embedding of changer body sets up in the inside of a flow section of thick bamboo, and the both sides embedding of a flow section of thick bamboo is provided with two connecting pipes, and the one end of connecting pipe is all nested and is provided with a welding section of thick bamboo, and the one end of a welding section of thick bamboo is all nested and is provided with a butt joint section of thick bamboo. The utility model provides a when piston pipe and thermocouple ware were put into and are detected liquid, the heat that detects liquid will be absorbed to the piston pipe, and the inside conduction oil of piston pipe will flow in a flow section of thick bamboo and piston pipe, and the temperature monitoring end contact of thermocouple ware is mobile conduction oil, and the heat conduction oil flows the back temperature and is even, can detect out the average temperature that detects liquid, and it is accurate to have a testing result.

Description

Temperature transmitter with accurate temperature measurement

Technical Field

The utility model relates to a temperature transmitter technical field especially relates to an accurate temperature transmitter of temperature measurement.

Background

The temperature transmitter is an industrial temperature measuring instrument, adopts a thermocouple to detect temperature, outputs an electric signal, and obtains temperature through the electric signal;

and temperature transmitter among the prior art, because the detection liquid of thermocouple sense terminal does not flow, leads to detecting the temperature difference of liquid each place to lead to the temperature to detect inaccurately, need a lot to detect and just can obtain the average temperature who detects liquid, it is extremely inconvenient to use, consequently needs a temperature transmitter who detects the accuracy.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art because the detection liquid of thermocouple sense terminal does not flow, leads to detecting the temperature difference in each place of liquid to lead to the temperature to detect inaccurately, need a plurality of points to detect just can reach the problem of detecting the average temperature of liquid, thereby provide the accurate temperature transmitter of temperature measurement.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an accurate temperature transmitter of temperature measurement, includes changer body, thermocouple ware, temperature monitoring end and deformation subassembly, the bottom of changer body is fixed with the thermocouple ware, the bottom of thermocouple ware is equipped with temperature monitoring end, the bottom embedding of changer body sets up the inside at a flow section of thick bamboo, the both sides embedding of a flow section of thick bamboo is provided with two connecting pipes, the one end of connecting pipe is all nested and is provided with a welding section of thick bamboo, the one end of a welding section of thick bamboo is all nested and is provided with a butt joint section of thick bamboo, and the one end of four butt joint sections of thick bamboos imbeds respectively and sets up on two piston tubes, the equal screw thread at both ends of piston tube has cup jointed the screw cap, be equipped with the rubber ring between screw cap and the piston tube, the inside of piston tube is equipped with the deformation subassembly.

Further preferably, the deformation assembly comprises a first tension spring, a second tension spring, a piston plate and a piston ring, the first tension spring and the second tension spring are respectively fixed on the threaded covers at the two ends of the piston pipe, one end of the first tension spring and one end of the second tension spring are respectively fixed at the bottom and the top of the piston plate, and the piston ring is arranged on the periphery of the piston plate.

Further preferably, the flowing cylinder, the connecting pipe, the welding cylinder, the butt-joint cylinder and the piston pipe are filled with heat conducting oil with indefinite shapes, the piston plate is located in the middle of the inside of the piston pipe, and the edge of the piston plate is provided with a fillet.

Further preferably, the volume of the flow cylinder is smaller than the sum of the volumes of the two piston pipes, the two piston pipes are symmetrically arranged on two sides of the flow cylinder, and the rubber ring is arranged between the pipe orifice of the piston pipe and the inner wall of the threaded cover in a surrounding mode.

Further preferably, the expansion coefficients of the first tension spring and the second tension spring are different, the expansion coefficient of the first tension spring is larger than that of the second tension spring, and the lengths of the first tension spring and the second tension spring before expansion are kept consistent.

Further preferably, the piston ring surrounds between the periphery of the piston plate and the inner wall of the piston tube, the inner side of the piston ring is sunken into the outer side of the piston plate, and the first tension spring and the second tension spring are symmetrically arranged at the top part and the top part of the piston plate.

The utility model has the advantages that: when the detection liquid is put into the piston tube and the thermocouple device, the heat of the detection liquid can be absorbed by the piston tube, the heat conduction oil in the piston tube can flow in the flow cylinder and the piston tube, the temperature monitoring end of the thermocouple device is contacted with the flowing heat conduction oil, the temperature is uniform after the heat conduction oil flows, the average temperature of the detection liquid can be detected, the detection result is accurate, the expansion coefficients of the first tension spring and the second tension spring are inconsistent, the expansion degrees of the first tension spring and the second tension spring can be changed after the temperature rises, the first tension spring and the second tension spring pull the piston plate to move in the piston tube, the heat conduction oil can circularly flow in the piston tube and the flow cylinder, the flow of the heat conduction oil can be automatically driven, and the use is very convenient.

Drawings

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

FIG. 2 is an enlarged schematic view of a part of the structure of the present invention;

FIG. 3 is a second enlarged schematic view of the partial structure of the present invention;

fig. 4 is an enlarged schematic view of the piston plate of the present invention.

In the figure: transmitter body 1, thermocouple 2, temperature monitoring end 3, flow section of thick bamboo 4, connecting pipe 5, welding section of thick bamboo 6, butt joint section of thick bamboo 7, piston pipe 8, screw cap 9, rubber ring 10, first tension spring 11, second tension spring 12, piston plate 13, piston ring 14.

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.

Referring to fig. 1-4, a temperature transmitter with accurate temperature measurement comprises a transmitter body 1, a thermocouple device 2, a temperature monitoring end 3 and a deformation component, wherein the thermocouple device 2 is fixed at the bottom of the transmitter body 1, the temperature monitoring end 3 is arranged at the bottom end of the thermocouple device 2, the bottom of the transmitter body 1 is embedded in a flow cylinder 4, two connecting pipes 5 are embedded in two sides of the flow cylinder 4, a welding cylinder 6 is arranged at one end of each connecting pipe 5 in an all-nested manner, a butt cylinder 7 is arranged at one end of each welding cylinder 6 in an all-nested manner, one ends of the four butt cylinders 7 are respectively embedded in two piston pipes 8, threaded covers 9 are respectively sleeved at two ends of each piston pipe 8 in a threaded manner, a rubber ring 10 is arranged between each threaded cover 9 and each piston pipe 8, and the deformation component is arranged in each piston pipe 8.

Preferably, the flowing cylinder 4, the connecting pipe 5, the welding cylinder 6, the butt joint cylinder 7 and the piston pipe 8 are filled with heat conducting oil with an indefinite shape, the piston plate 13 is positioned in the middle of the inside of the piston pipe 8, the edge of the piston plate 13 is provided with a circular bead, and the heat conducting oil flows in the flowing cylinder 4 and the piston pipe 8, so that the temperature detected by the thermocouple device 2 is more accurate.

Preferably, the volume of the flow cylinder 4 is smaller than the sum of the volumes of the two piston tubes 8, the two piston tubes 8 are symmetrically arranged on two sides of the flow cylinder 4, the rubber ring 10 surrounds between the pipe orifice of the piston tube 8 and the inner wall of the threaded cap 9, the threaded cap 9 is directly and rotatably arranged at two ends of the piston tube 8, and the rubber ring 10 is tightly attached to a gap between the threaded cap 9 and the piston tube 8, so that the threaded cap 9 and the piston tube 8 have good sealing performance.

In this embodiment, the deformation component includes a first tension spring 11, a second tension spring 12, a piston plate 13 and a piston ring 14, the first tension spring 11 and the second tension spring 12 are respectively fixed to the threaded caps 9 at the two ends of the piston tube 8, one end of the first tension spring 11 and one end of the second tension spring 12 are respectively fixed to the bottom and the top of the piston plate 13, and the piston ring 14 is arranged on the periphery of the piston plate 13.

Preferably, the expansion coefficients of the first tension spring 11 and the second tension spring 12 are different, the expansion coefficient of the first tension spring 11 is greater than that of the second tension spring 12, the lengths of the first tension spring 11 and the second tension spring 12 before expansion are consistent, the expansion degrees of the first tension spring 11 and the second tension spring 12 after heating are different, the expansion degree of the first tension spring 11 is greater than that of the second tension spring 12, so that the piston plate 9 moves towards the second tension spring 12 in the piston tube 8, and the piston plate 9 pushes heat transfer oil to flow in the piston tube 8 and the flow cylinder 4, thereby realizing the flow of the drive heat transfer oil.

Preferably, the piston ring 14 surrounds the periphery of the piston plate 13 and the inner wall of the piston tube 8, the inner side of the piston ring 14 is recessed outside the piston plate 13, the first tension spring 11 and the second tension spring 12 are symmetrically arranged on the top and the top of the piston plate 13, and the piston ring 14 can rub against the inner wall of the piston tube 8 to prevent the piston plate 9 from rubbing against the inner wall of the piston tube 8, so that the service life of the piston plate 9 is prolonged.

The welding cylinder 6 is connected with the butt joint cylinder 7 and the connecting pipe 5, the flowing cylinder 4 is communicated with the piston pipe 8, and hydraulic oil can flow in the flowing cylinder 4 and the piston pipe 8;

wherein, the connecting pipe 5 is used for connecting the welding cylinder 6 and the flowing cylinder 4, and the butt joint cylinder 7 is used for connecting the welding cylinder 6 and the piston pipe 8.

In the utility model, when in use, the temperature monitoring end 3 at the bottom of the thermocouple device 2 and the piston tube 8 are put into the detection liquid together, the heat of the liquid is absorbed by the flowing cylinder 4 and the piston tube 9, then the heat absorption temperature of the structures such as the first tension spring 11, the second tension spring 12 and the heat conduction oil rises, because the expansion coefficient of the first tension spring 11 is larger than that of the second tension spring 12, the expansion degree of the first tension spring 11 is larger than that of the second tension spring 12, the length of the first tension spring 11 after expansion is larger than that of the second tension spring 12, the piston plate 9 moves towards the second tension spring 12 in the piston tube 8, the piston plate 9 pushes the heat conduction oil to flow in the piston tube 8 and the flowing cylinder 4, the flow of the heat conduction oil is driven, the temperature monitoring end 3 at the bottom of the thermocouple device 2 contacts the flowing heat conduction oil, the thermocouple device 2 detects the temperature, the transmitter body 1 obtains temperature data according to the data of the thermocouple 2 and displays the temperature data.

Claims

1. A temperature transmitter with accurate temperature measurement comprises a transmitter body (1), a thermocouple device (2), a temperature monitoring end (3) and a deformation assembly, wherein the bottom of the transmitter body (1) is connected with the thermocouple device (2), the bottom end of the thermocouple device (2) is provided with the temperature monitoring end (3), the bottom of the transmitter body (1) is arranged inside a flow cylinder (4), the temperature transmitter is characterized in that two sides of the flow cylinder (4) are connected with two connecting pipes (5), one end of each connecting pipe (5) is connected with a welding cylinder (6), one end of each welding cylinder (6) is connected with a butt cylinder (7), one ends of the four butt cylinders (7) are respectively connected onto two piston pipes (8), two ends of each piston pipe (8) are respectively connected with a threaded cover (9), and a rubber ring (10) is arranged between each threaded cover (9) and each piston pipe (8), the inside of piston pipe (8) is equipped with the deformation subassembly.

2. The temperature transmitter with accurate temperature measurement according to claim 1, wherein the deformation component comprises a first tension spring (11), a second tension spring (12), a piston plate (13) and a piston ring (14), the first tension spring (11) and the second tension spring (12) are respectively fixed on the threaded caps (9) at two ends of the piston tube (8), one end of the first tension spring (11) and one end of the second tension spring (12) are respectively fixed at the bottom and the top of the piston plate (13), and the piston ring (14) is arranged on the periphery of the piston plate (13).

3. The temperature transmitter with accurate temperature measurement according to claim 1, wherein the flowing cylinder (4), the connecting pipe (5), the welding cylinder (6), the butt-joint cylinder (7) and the piston pipe (8) are filled with heat conducting oil with indefinite shapes.

4. Temperature transmitter with accurate temperature measurement according to claim 1, characterized in that the volume of the flow cylinder (4) is smaller than the sum of the volumes of the two piston tubes (8), and a rubber ring (10) is arranged around the piston tube (8) between its mouth and the inner wall of the screw cap (9).

5. The temperature transmitter with accurate temperature measurement as claimed in claim 2, wherein the expansion coefficients of the first tension spring (11) and the second tension spring (12) are different, and the expansion coefficient of the first tension spring (11) is larger than that of the second tension spring (12).

6. A temperature transmitter with accurate temperature measurement according to claim 2, characterized in that the piston ring (14) is surrounded between the periphery of the piston plate (13) and the inner wall of the piston tube (8), and the first tension spring (11) and the second tension spring (12) are symmetrically arranged on the top and the top of the piston plate (13).