CN209783768U

CN209783768U - Novel thermocouple temperature sensor

Info

Publication number: CN209783768U
Application number: CN201920997094.2U
Authority: CN
Inventors: 罗建明; 肖珍芳; 谭中柱
Original assignee: HUNAN MEASUREMENT INSPECTION RESEARCH INSTITUTE
Current assignee: HUNAN MEASUREMENT INSPECTION RESEARCH INSTITUTE; Hunan Institute of Metrology and Test
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2019-12-13
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a novel thermocouple temperature sensor, including temperature sensor body and fixed chamber, the arc wall has been seted up to the back lateral wall of temperature sensor body, and the inside bottom of temperature sensor body has seted up fixed chamber, the inside top fixed mounting in fixed chamber has the motor, the bottom of motor is rotated and is connected with the transfer line, the outside cover of transfer line has the shell, and the first fixed block of bottom fixedly connected with of transfer line, the bottom fixedly connected with spring of first fixed block, the bottom fixedly connected with conductor of spring, conductor fixed mounting is in the inside of shell, and the bottom fixedly connected with contact of conductor, the bottom fixedly connected with thermocouple of contact, the inside fixedly connected with stopper of shell. The utility model discloses in drive the transfer line through the motor and rotate, make the transfer line rotate at the inner wall of stopper, make the shell move down to the person of facilitating the use adjusts temperature sensor's test probe.

Description

Novel thermocouple temperature sensor

Technical Field

The utility model relates to a temperature sensor technical field especially relates to a novel thermocouple temperature sensor.

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). The appearance of various thermocouples is very different according to needs, but the basic structures of the thermocouples are almost the same, and the thermocouples are generally composed of main parts such as a thermode, an insulating sleeve protection tube, a junction box and the like, and are generally matched with a display instrument, a recording instrument and an electronic regulator for use. In industrial processes, temperature is one of the important parameters that needs to be measured and controlled. In temperature measurement, the thermocouple is widely applied, and has the advantages of simple structure, convenient manufacture, wide measurement range, high precision, small inertia, convenient output signal remote transmission and the like. In addition, since the thermocouple is an active sensor, no external power supply is needed during measurement, and the thermocouple is very convenient to use, the thermocouple is often used for measuring the temperature of gas or liquid in a furnace or a pipeline and the surface temperature of solid.

The existing temperature sensor is difficult to realize the measurement temperature of the automatic adjustment measuring probe in the use process, and the temperature sensor is inconvenient to install and fix by a user in the use process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a novel thermocouple temperature sensor.

in order to achieve the above purpose, the utility model adopts the following technical scheme:

a novel thermocouple temperature sensor comprises a temperature sensor body and a fixed cavity, wherein an arc-shaped groove is formed in the rear side wall of the temperature sensor body, the fixed cavity is formed in the inner bottom end of the temperature sensor body, a motor is fixedly mounted at the inner top end of the fixed cavity, a transmission rod is rotatably connected to the bottom end of the motor, a shell is sleeved outside the transmission rod, a first fixed block is fixedly connected to the bottom end of the transmission rod, a spring is fixedly connected to the bottom end of the first fixed block, a conductor is fixedly connected to the bottom end of the spring, the conductor is fixedly mounted inside the shell, a contact is fixedly connected to the bottom end of the conductor, a thermocouple is fixedly connected to the bottom end of the contact, a limit block is fixedly connected to the inner portion of the shell, an arc-shaped rubber block is slidably connected to the inner portion of the arc, and a threaded hole is formed in the front surface of the second fixing block.

Preferably, the outer diameter of the limiting block is equal to the inner diameter of the shell, and the inner diameter of the limiting block is equal to the transmission rod.

Preferably, the outer wall of the transmission rod is provided with an external thread, and the transmission rod is rotatably connected with the limiting block through the thread.

Preferably, a rotating shaft is arranged between the motor and the transmission rod, and the motor and the transmission rod are rotatably connected through the rotating shaft.

Preferably, heat conducting oil is placed in the shell, and the liquid level of the heat conducting oil is 5cm higher than the upper surface of the thermocouple.

Preferably, the input end of the motor is electrically connected with the power output end of the temperature sensor body.

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

1. The utility model discloses well user inserts the arc wall that the lateral wall was seted up behind the temperature sensor body with arc block rubber fixed mounting with the screw behind the position department that needs to be fixed to the person of facilitating the use installs and dismantles temperature sensor.

2. the utility model discloses in drive the transfer line through the motor and rotate, make the transfer line rotate at the inner wall of stopper, make the shell move down to the person of facilitating the use adjusts temperature sensor's test probe.

Drawings

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

Fig. 2 is the schematic view of the installation structure of the arc-shaped groove of the present invention.

In the figure: 1. a temperature sensor body; 2. a fixed cavity; 3. an electric motor; 4. a transmission rod; 5. a limiting block; 6. a first fixed block; 7. a spring; 8. a conductor; 9. a contact; 10. a housing; 11. a thermocouple; 12. an arc-shaped slot; 13. a second fixed block; 14. a threaded hole; 15. an arc-shaped rubber block.

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. 1-2, a novel thermocouple temperature sensor comprises a temperature sensor body 1 and a fixed cavity 2, an arc-shaped groove 12 is formed on the rear side wall of the temperature sensor body 1, the fixed cavity 2 is formed on the inner bottom end of the temperature sensor body 1, a motor 3 is fixedly installed at the inner top end of the fixed cavity 2, a transmission rod 4 is rotatably connected to the bottom end of the motor 3, a shell 10 is sleeved outside the transmission rod 4, a first fixed block 6 is fixedly connected to the bottom end of the transmission rod 4, a spring 7 is fixedly connected to the bottom end of the first fixed block 6, a conductor 8 is fixedly connected to the bottom end of the spring 7, the conductor 8 is fixedly installed inside the shell 10, a contact 9 is fixedly connected to the bottom end of the conductor 8, a thermocouple 11 is fixedly connected to the bottom end of the contact 9, a limit block 5 is fixedly connected to the, the both sides wall of arc rubber piece 15 is equal fixedly connected with second fixed block 13, and screw hole 14 has been seted up to the front surface of second fixed block 13.

The outer diameter of the limiting block 5 is equal to the inner diameter of the shell 10, and the inner diameter of the limiting block 5 is equal to the transmission rod 4; in order to facilitate the user to adjust the height of the shell 10, the outer wall of the transmission rod 4 is provided with external threads, and the transmission rod 4 is rotatably connected with the limiting block 5 through threads; in order to enable the motor 3 to drive the transmission rod 4 to rotate, a rotating shaft is arranged between the motor 3 and the transmission rod 4, and the motor 3 and the transmission rod 4 are rotationally connected through the rotating shaft; in order to enable the thermocouple 11 to measure the temperature better, heat conduction oil is placed inside the shell 10, and the liquid level of the heat conduction oil is 5cm higher than the upper surface of the thermocouple 11; in order to make the motor 3 work normally, the input end of the motor 3 is electrically connected with the power output end of the temperature sensor body 1.

The working principle is as follows: after a user fixedly installs the arc-shaped rubber block 15 at a position to be fixed by using a screw, the arc-shaped rubber block 15 is inserted into the arc-shaped groove 12 formed in the rear side wall of the temperature sensor body 1, so that the temperature sensor is convenient to install and dismantle by the user; the transmission rod 4 is driven to rotate by the motor 3, so that the transmission rod 4 rotates on the inner wall of the limiting block 5, and the shell 10 moves downwards, thereby facilitating a user to adjust the detection probe of the temperature sensor.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a novel thermocouple temperature sensor, includes temperature sensor body (1) and fixed chamber (2), its characterized in that, arc wall (12) have been seted up to the back lateral wall of temperature sensor body (1), and the inside bottom of temperature sensor body (1) has seted up fixed chamber (2), the inside top fixed mounting in fixed chamber (2) has motor (3), the bottom of motor (3) is rotated and is connected with transfer line (4), the outside cover of transfer line (4) has shell (10), and the bottom fixedly connected with first fixed block (6) of transfer line (4), the bottom fixedly connected with spring (7) of first fixed block (6), the bottom fixedly connected with conductor (8) of spring (7), conductor (8) fixed mounting is in the inside of shell (10), and the bottom fixedly connected with contact (9) of conductor (8), the bottom fixedly connected with thermocouple (11) of contact (9), the inside fixedly connected with stopper (5) of shell (10), the inside sliding connection of arc wall (12) has arc rubber block (15), the equal fixedly connected with second fixed block (13) of both sides wall of arc rubber block (15), threaded hole (14) have been seted up to the front surface of second fixed block (13).

2. The thermocouple temperature sensor according to claim 1, wherein the outer diameter of the limiting block (5) is equal to the inner diameter of the housing (10), and the inner diameter of the limiting block (5) is equal to the transmission rod (4).

3. The novel thermocouple temperature sensor according to claim 1, wherein the outer wall of the transmission rod (4) is provided with external threads, and the transmission rod (4) is rotatably connected with the limiting block (5) through threads.

4. The thermocouple temperature sensor according to claim 1, wherein a rotating shaft is arranged between the motor (3) and the transmission rod (4), and the motor (3) and the transmission rod (4) are rotatably connected through the rotating shaft.

5. The thermocouple temperature sensor according to claim 1, wherein heat conducting oil is placed inside the housing (10), and the liquid level of the heat conducting oil is 5cm higher than the upper surface of the thermocouple (11).

6. The thermocouple temperature sensor according to claim 1, wherein the input of the motor (3) is electrically connected to the power output of the temperature sensor body (1).