Phi0.4 fine armored thermocouple

Abstract

The utility model belongs to the technical field of thermocouples, and relates to a phi 0.4 fine armored thermocouple, which comprises an armored wire and a plug-in, the plug-in is connected with the armored wire, the armored wire is provided with a conducting assembly, the conducting assembly is connected with a compensation lead, the connecting end of the conducting assembly and the compensation lead is provided with a metal joint, the compensation lead is provided with a wire protection spring, and the wire protection spring is connected with the plug-in. One end of the wire protection spring is inserted into the metal connector, the plug-in is arranged on the compensation wire, the plug-in can be replaced to adapt to different instruments, the armored thermocouple can be bent to be suitable for temperature measurement and control of narrow and bent places, and when different instruments need to be connected, only the plug-in of the corresponding instrument needs to be replaced. And the plug-in is inserted into the compensation lead, so that an independent instrument does not need to be equipped with an independent armored thermocouple and an armored wire for temperature measurement, then the plug-in is transmitted by the compensation lead after a loop is formed through the guide connection assembly, and finally the plug-in is transmitted to the instrument to complete detection.

Description

Technical Field

[0001] The utility model belongs to the technical field of thermocouples, in particular to a φ0.4 fine armored thermocouple. Background Art

[0002] Fine armored thermocouples are the same as industrial assembled thermocouples. As a transmitter for measuring temperature, they are usually used in conjunction with display instruments, recording instruments and electronic regulators. They can also be used as temperature sensing elements for assembled thermocouples. They can directly measure the temperature of liquids, steam and gaseous media and solid surfaces in the range of 0 to 600°C in various production processes. They are suitable for temperature measurement and control in narrow and curved places. They are indispensable temperature measurement devices in laboratories, chemical fiber, pharmaceutical and other industries.

[0003] Existing armored thermocouples are not suitable for temperature measurement and control in narrow and curved places, and armored thermocouples with different plug-ins are required when connecting to instruments. Utility Model Content

[0004] The utility model aims to provide a φ0.4 fine armored thermocouple to solve the problem of temperature measurement and control in narrow and curved places and the problem of using a separate armored thermocouple with a separate instrument.

[0005] To achieve the above purpose, the specific technical solution of the φ0.4 fine armored thermocouple of the utility model is as follows:

[0006] The φ0.4 fine armored thermocouple comprises an armor wire and a plug-in, wherein the plug-in is connected to the armor wire and is characterized in that the armor wire is provided with a conducting assembly, the conducting assembly is connected to a compensation wire, a metal joint is provided at the connecting end of the conducting assembly and the compensation wire, a wire protection spring is provided on the compensation wire, one end of the wire protection spring is inserted into the metal joint, the plug-in is arranged on the compensation wire, and the plug-in can be replaced to adapt to different instruments.

[0007] Furthermore, the conducting assembly includes an outer protective skin, a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are made of different materials, the first connecting rod and the second connecting rod are arranged on the armor wire, the first connecting rod and the second connecting rod are connected to the compensation wire, and a metal joint is provided at the connection between the first connecting rod and the second connecting rod and the compensation wire.

[0008] Furthermore, the metal joint includes a mounting shell and a mounting cavity, and the interior of the mounting cavity is filled with resin glue.

[0009] Furthermore, the compensation wire includes an outer skin, a connecting wire and a connecting end. Two connecting wires are arranged inside the outer skin. The first connecting rod and the second connecting rod are connected to one connecting wire. The connecting end is arranged on the connecting wire, the connecting end is connected to the plug-in, and the wire protection spring is sleeved on the outer skin.

[0010] Furthermore, the number of the connection terminals corresponds to the number of connection lines.

[0011] Further, the connecting end includes a sleeve, a connecting bevel bolt, a sliding mounting groove, a movable bevel block, a sliding cavity, a spring and a connecting bolt, the sleeve is arranged on the connecting line, the connecting bevel bolt slides inside the sleeve, the sliding mounting groove is arranged inside the connecting bevel bolt, the connecting bolt is arranged inside the connecting bevel bolt, the sliding cavity is arranged inside the movable bevel block, the connecting bolt slides inside the sliding cavity, a spring is arranged between the connecting bolt and the sliding cavity, and the plug-in is arranged on the connecting bevel bolt.

[0012] The advantages of the utility model are:

[0013] The utility model is suitable for temperature measurement and control in narrow and bending places through the flexibility of the armored thermocouple. When different instruments need to be connected, it is only necessary to replace the plug-in of the corresponding instrument, and then insert the plug-in into the compensation wire. There is no need to equip a separate instrument with a separate armored thermocouple. The armored wire measures the temperature, and then forms a loop through the conductive assembly and then transmits the plug-in through the compensation wire, and finally transmits the plug-in to the instrument to complete the detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is an overall cross-sectional view of the utility model;

[0016] Figure 3 This is a cross-sectional view of the compensation wire of the utility model;

[0017] Figure 4 This is a schematic diagram of the connection end structure of the utility model;

[0018] Description of the markings in the figure:

[0019] Armored wire 1; conducting assembly 2; outer protective skin 2-1; first connecting rod 2-2; second connecting rod 2-3; metal joint 3; mounting shell 3-1; mounting cavity 3-2; wire protection spring 4; compensation wire 5; outer skin 5-1; connecting wire 5-2; connecting end 5-3; sleeve 5-3-1; connecting bevel bolt 5-3-2; sliding mounting groove 5-3-3; movable bevel block 5-3-4; sliding cavity 5-3-5; spring 5-4-6; connecting bolt 5-4-7; plug-in 6. DETAILED DESCRIPTION

[0020] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0022] like Figure 1-4 As shown, a φ0.4 fine armored thermocouple comprises an armor wire 1 and a plug-in 6, wherein the plug-in 6 is connected to the armor wire 1, and is characterized in that the armor wire 1 is provided with a conducting assembly 2, the conducting assembly 2 is connected to a compensation wire 5, a metal joint 3 is provided at the connecting end of the conducting assembly 2 and the compensation wire 5, a wire protection spring 4 is provided on the compensation wire 5, one end of the wire protection spring 4 is inserted into the metal joint 3, the plug-in 6 is arranged on the compensation wire 5, and the plug-in 6 can be replaced to adapt to different instruments.

[0023] The flexibility of the armored thermocouple makes it suitable for temperature measurement and control in narrow and bending places. When different instruments need to be connected, it is only necessary to replace the plug-in 6 of the corresponding instrument, and then insert the plug-in 6 into the compensation wire 5. There is no need to equip a separate instrument with a separate armored thermocouple. The armor wire 1 measures the temperature, and then forms a loop through the conductive assembly 2, and then transmits the temperature to the plug-in 6 through the compensation wire 5, and finally transmits the temperature to the instrument to complete the detection.

[0024] Among them, Figure 1-4 As shown, the conducting assembly 2 includes an outer protective skin 2-1, a first connecting rod 2-2 and a second connecting rod 2-3, the first connecting rod 2-2 and the second connecting rod 2-3 are made of different materials, the first connecting rod 2-2 and the second connecting rod 2-3 are arranged on the armor wire 1, the first connecting rod 2-2 and the second connecting rod 2-3 are connected to the compensation wire 5, and a metal joint 3 is provided at the connection between the first connecting rod 2-2 and the second connecting rod 2-3 and the compensation wire 5.

[0025] The two ends of two conductors of different components are welded to form a loop.

[0026] Among them, Figure 1-4As shown, the metal joint 3 includes a mounting shell 3-1 and a mounting cavity 3-2, and the mounting cavity 3-2 is filled with resin glue.

[0027] Flexibility of armored thermocouples.

[0028] Among them, Figure 1-4 As shown, the compensation wire 5 includes an outer skin 5-1, a connecting wire 5-2 and a connecting end 5-3. Two connecting wires 5-2 are arranged inside the outer skin 5-1. The first connecting rod 2-2 and the second connecting rod 2-3 are connected to one connecting wire 5-2. The connecting end 5-3 is arranged on the connecting wire 5-2. The connecting end 5-3 is connected to the plug-in 6. The wire protection spring 4 is mounted on the outer skin 5-1.

[0029] The connection end 5-3 can quickly replace the plug-in 6 corresponding to different instruments to avoid the entanglement of thermocouples when there are too many instruments.

[0030] Among them, Figure 1-4 As shown, the number of the connection terminals 5 - 3 corresponds to the number of the connection lines 5 - 2 .

[0031] Among them, Figure 1-4 As shown, the connecting end 5-3 includes a sleeve 5-3-1, a connecting bevel bolt 5-3-2, a sliding mounting groove 5-3-3, a movable bevel block 5-3-4, a sliding cavity 5-3-5, a spring 5-4-6 and a connecting bolt 5-4-7, the sleeve 5-3-1 is arranged on the connecting line 5-2, the connecting bevel bolt 5-3-2 slides inside the sleeve 5-3-1, the sliding mounting groove 5-3-3 is arranged inside the connecting bevel bolt 5-3-2, the connecting bolt 5-4-7 is arranged inside the connecting bevel bolt 5-3-2, the sliding cavity 5-3-5 is arranged inside the movable bevel block 5-3-4, the connecting bolt 5-4-7 slides inside the sliding cavity 5-3-5, a spring 5-4-6 is arranged between the connecting bolt 5-4-7 and the sliding cavity 5-3-5, and the plug-in 6 is arranged on the connecting bevel bolt 5-3-2.

[0032] The connecting bevel bolt 5-3-2 is quickly inserted and pulled out inside the sleeve 5-3-1 to complete the connection or disconnection, and then the spring 5-4-6 pushes the connecting bolt 5-4-7 so that the connecting bolt 5-4-7 applies a pressure to the moving bevel block 5-3-4 to make the moving bevel block 5-3-4 close to the sleeve 5-3-1 to prevent the virtual connection from affecting the result.

[0033] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and powders without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application belong to the scope protected by the present invention.

Claims

1. A φ0.4 fine armored thermocouple, comprising an armor wire (1) and a plug-in (6), wherein the plug-in (6) is connected to the armor wire (1), characterized in that: The armor wire (1) is provided with a conducting assembly (2), the conducting assembly (2) and the compensation wire (5) are connected, a metal joint (3) is provided at the connecting end of the conducting assembly (2) and the compensation wire (5), a wire protection spring (4) is provided on the compensation wire (5), one end of the wire protection spring (4) is inserted into the metal joint (3), a plug-in (6) is arranged on the compensation wire (5), and the plug-in (6) can be replaced to adapt to different instruments.

2. The φ0.4 fine armored thermocouple according to claim 1, characterized in that: The conducting assembly (2) comprises an outer protective skin (2-1), a first connecting rod (2-2) and a second connecting rod (2-3), the first connecting rod (2-2) and the second connecting rod (2-3) being made of different materials, the first connecting rod (2-2) and the second connecting rod (2-3) being arranged on the armor wire (1), the first connecting rod (2-2) and the second connecting rod (2-3) being connected to the compensation wire (5), and a metal joint (3) being arranged at the connection between the first connecting rod (2-2) and the second connecting rod (2-3) and the compensation wire (5).

3. The φ0.4 fine armored thermocouple according to claim 2, characterized in that: The metal joint (3) comprises a mounting shell (3-1) and a mounting cavity (3-2), and the interior of the mounting cavity (3-2) is filled with resin glue.

4. The φ0.4 fine armored thermocouple according to claim 1, characterized in that: The compensation wire (5) comprises an outer sheath (5-1), a connecting wire (5-2) and a connecting end (5-3); two connecting wires (5-2) are arranged inside the outer sheath (5-1); a first connecting rod (2-2) and a second connecting rod (2-3) are connected to one connecting wire (5-2); the connecting end (5-3) is arranged on the connecting wire (5-2); the connecting end (5-3) is connected to a plug-in (6); and a wire protection spring (4) is sleeved on the outer sheath (5-1).

5. The φ0.4 fine armored thermocouple according to claim 4, characterized in that: The number of the connection terminals (5-3) corresponds to the number of the connection lines (5-2).

6. The φ0.4 fine armored thermocouple according to claim 5, characterized in that: The connecting end (5-3) comprises a sleeve (5-3-1), a connecting bevel bolt (5-3-2), a sliding installation groove (5-3-3), a movable bevel block (5-3-4), a sliding cavity (5-3-5), a spring (5-4-6) and a connecting bolt (5-4-7); the sleeve (5-3-1) is arranged on the connecting line (5-2); the connecting bevel bolt (5-3-2) slides inside the sleeve (5-3-1); the sliding installation groove (5-3-3) The connecting bolt (5-4-7) is arranged inside the connecting bevel bolt (5-3-2), the sliding cavity (5-3-5) is arranged inside the moving bevel block (5-3-4), the connecting bolt (5-4-7) slides inside the sliding cavity (5-3-5), a spring (5-4-6) is arranged between the connecting bolt (5-4-7) and the sliding cavity (5-3-5), and the plug-in (6) is arranged on the connecting bevel bolt (5-3-2).

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