Pipeline temperature sensor

Abstract

The utility model relates to a pipeline temperature sensor which comprises a sensor shell, a plurality of first round holes are formed in a circle in the sensor shell, a plurality of sensing optical fibers penetrate through the first round holes, and the penetrating positions of the sensing optical fibers and the first round holes are fixed. A plurality of second round holes are formed in the surface of the pipeline main body, the two ends of the sensing optical fiber penetrate through the second round holes formed in the surface of the pipeline main body respectively, and an inner temperature sensing assembly is arranged in the sensing optical fiber. Temperature data of different points in the pipeline can be comprehensively obtained, the average value is calculated, and more accurate and comprehensive pipeline temperature information is provided compared with single-point measurement.

Description

TECHNICAL FIELD

[0001] The utility model relates to temperature sensor field, specifically a pipeline temperature sensor. BACKGROUND

[0002] Pipeline temperature sensor is a kind of equipment for monitoring the temperature change of pipeline, it has wide application in industry, building, heating ventilation air conditioning and other fields, and at present pipeline temperature measurement mostly adopts screw type installation temperature sensor, i.e. the groove for containing temperature sensor is formed on pipeline, then temperature sensor is fixed with groove wall to complete the installation of temperature sensor.

[0003] According to the public patent 202421202106.5 a kind of pipeline temperature sensor, including temperature sensor main body, the bottom of temperature sensor main body is fixedly connected with fixed joint, the surface both sides of fixed joint are fixedly connected with extension plate, the surface of extension plate is equipped with limit hole.This pipeline temperature sensor, by the setting of telescopic mechanism, probe and drive mechanism, connecting block, when equipment is used, power is connected, the electric push rod of the top of probe is started, the electric push rod telescopic drives the probe of bottom to lift, improve the range of probe longitudinal detection, secondly, the hydraulic rod on the rotating joint of connecting block top is started, the hydraulic rod telescopic, drives the probe of bottom to angle adjustment, to improve the transverse detection range of probe, can carry out temperature detection to the multiple positions of pipeline, improve the accuracy of detection data, avoid detecting only by single position, with limitation.

[0004] But in traditional pipeline temperature monitoring, temperature sensor is usually installed at a certain specific position on the surface of pipeline to measure temperature, however, this fixed-point measurement mode has obvious limitation, can only reflect the temperature condition of the fixed point, and cannot comprehensively and accurately capture the temperature average of different positions inside pipeline, due to this limitation, the comprehensiveness and accuracy of detection result will be greatly affected.Therefore, new technical scheme needs to be designed to solve. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the insufficient of prior art, adapting to reality needs, provide a kind of pipeline temperature sensor, to solve the current in traditional pipeline temperature monitoring, temperature sensor is usually installed at a certain specific position on the surface of pipeline to measure temperature, however, this fixed-point measurement mode has obvious limitation, can only reflect the temperature condition of the fixed point, and cannot comprehensively and accurately capture the temperature average of different positions inside pipeline, due to this limitation, the comprehensiveness and accuracy of detection result will be greatly affected technical problem.

[0006] The utility model discloses a pipeline temperature sensor, including sensor casing, a circle of first round hole is seted up in the sensor casing, and a plurality of first round hole is passed through and is provided with a plurality of sensing optical fiber, and a plurality of sensing optical fiber is fixed with the penetration position of a plurality of first round hole, and the both ends of sensing optical fiber are passed through respectively and are seted up in a plurality of second round hole of pipeline main part surface, and the inside of sensing optical fiber is provided with internal temperature response subassembly.

[0007] Preferably, the internal temperature response subassembly includes a fixed ball, a threaded groove, a threaded column, a wireless temperature measurement probe, a rotating rod and a motor.

[0008] Preferably, the motor is installed on the top of the sensor casing, the bottom of the motor is connected with the rotating rod, and the bottom of the rotating rod extends into the sensor casing.

[0009] Preferably, one end of the rotating rod fixed in the sensor casing is provided with a fixed ball, and a plurality of threaded grooves are formed on the surface of the fixed ball.

[0010] Preferably, one end of the threaded column is screw-connected in the threaded groove, and the other end of the threaded column is fixed with the wireless temperature measurement probe.

[0011] Preferably, a control host is installed on the side of the sensor casing, and a connecting flange is installed on the front and rear ends of the sensor casing.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The utility model discloses a sensor casing, sensing optical fiber and the combination of pipeline, utilizes the sensor casing to serve as the connecting part between multiple pipelines, in the installation process, the sensor casing will be docked with each pipeline, and the sensing optical fiber integrated in it will be introduced into the reserved hole in each pipeline, the sensing optical fiber can extend along the pipeline and cover multiple different positions, so as to realize the accurate measurement of the temperature of these positions, by this mode, the temperature data of different positions in the pipeline can be obtained, and the average value of the temperature can be calculated accordingly, compared with the traditional single-point measurement, more comprehensive and accurate pipeline temperature information can be provided, solve the temperature sensor in the traditional pipeline temperature monitoring, usually installs in the certain specific position of pipeline surface to measure temperature, however, this fixed-point measurement mode has obvious limitation, can only reflect the temperature condition of the fixed point, and cannot comprehensively and accurately capture the temperature average value of different positions in the pipeline, due to this limitation, the comprehensiveness and accuracy of the detection result will be greatly affected.

[0014] 2.The utility model discloses through the combination of motor, wireless temperature measuring probe and thread groove, in the inside of pipeline, the circumference is provided with a plurality of wireless temperature measuring probes, to ensure that the different position on the circumference of pipeline is covered, and, through the motor to drive these wireless temperature measuring probe rotation, can realize the single point temperature measurement in wide range, after the combination use with sensing optical fiber temperature measurement, sensing optical fiber is responsible for multipoint temperature measurement, that is, continuously monitor the temperature change of different positions in the pipeline, and the rotating wireless temperature measuring probe concentrates on single point temperature measurement, that is, in the rotation process, the temperature of specific point is measured one by one, this combination not only strengthens the temperature measurement function diversity of sensor, but also improves the accuracy and flexibility of temperature monitoring, can choose the temperature measurement mode according to different monitoring needs. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the inside lateral structure schematic diagram of sensor shell of the utility model;

[0017] Figure 3 It is the thread groove structure schematic diagram of the utility model.

[0018] In the drawing: 1, sensor shell;101, control host computer;102, connecting flange;103, pipeline main body;2, sensing optical fiber;201, second round hole;202, first round hole;3, motor;301, rotating rod;302, fixed ball;303, wireless temperature measuring probe;304, thread groove;305, threaded column. DETAILED DESCRIPTION

[0019] The utility model is further explained in connection with the drawings and examples:

[0020] Example 1: a kind of pipeline temperature sensor, refer to Figures 1 to 3, including sensor shell 1, a plurality of first circular hole 202 is opened in the inside of sensor shell 1, a plurality of sensing optical fiber 2 is penetrated in the inside of a plurality of first circular hole 202, a plurality of sensing optical fiber 2 is fixed with the penetration position of a plurality of first circular hole 202, sensing optical fiber 2 both ends respectively pass through the plurality of second circular hole 201 opened in the surface of pipeline main body 103, sensing optical fiber 2 is provided with internal temperature sensing assembly, first, according to the specification and layout of pipeline, the size of sensor shell 1 and the connection mode of flange are determined, then, the hole for sensing optical fiber 2 to extend into is reserved in the pipeline, ensure that the position and quantity of hole can meet the temperature measurement demand, then, sensor shell 1 is connected with each pipeline through flange, in the process of connecting, ensure the sealing of flange, prevent medium leakage, at the same time, sensing optical fiber 2 is led out from the inside of sensor shell 1 and extends into the pipeline along the reserved hole, sensing optical fiber 2 extends along the inside of pipeline and covers a plurality of different positions, when the temperature in the pipeline changes, sensing optical fiber 2 can perceive the change and convert it into optical signal for transmission, sensing optical fiber 2 transmits the measured temperature signal to the control host 101 on the surface of sensor shell 1, control host 101 converts the received optical signal into temperature data, then, the staff calculates the temperature average of different positions in the pipeline according to temperature data, solve the technical problem that in the traditional pipeline temperature monitoring, temperature sensor is usually installed at a certain position on the surface of pipeline to measure temperature, however, this fixed-point measurement mode has obvious limitation, can only reflect the temperature of the fixed point, and cannot comprehensively and accurately capture the temperature average of different positions in the pipeline, due to this limitation, the comprehensiveness and accuracy of detection result are greatly affected.

[0021] Specifically, referring to Figure 2 and Figure 3 , the internal temperature sensing assembly includes a fixed ball 302, a threaded groove 304, a threaded column 305, a wireless temperature measurement probe 303, a rotating rod 301 and a motor 3.

[0022] Further, referring to Figure 1 and Figure 2 , the motor 3 is installed at the top of the sensor shell 1, and the rotating rod 301 is connected to the bottom of the motor 3, and the rotating rod 301 extends into the sensor shell 1.

[0023] It is worth noting that, referring to Figure 2 , one end of the rotating rod 301 located in the sensor shell 1 is fixed with a fixed ball 302, and a plurality of threaded grooves 304 are opened on the surface of the fixed ball 302.

[0024] It is worth noting that, referring to Figure 3, the threaded column 305 is screwed in the threaded groove 304, one end of the threaded column 305 is fixed with the wireless temperature probe 303, the fixed ball 302 is installed in the pipeline, and the wireless temperature probe 303 on the surface of the fixed ball 302 is kept at a proper distance from the inner wall of the pipeline to avoid temperature measurement error. When single-point temperature measurement is needed, the motor 3 is started, the motor 3 drives the rotating rod 301 and the fixed ball 302 to rotate, and then drives the wireless temperature probe 303 on the surface of the fixed ball 302 to rotate in the pipeline. A plurality of wireless temperature probes 303 measure the temperature of a specific point one by one in the rotating process, and transmit the measurement data to the control host 101 through a wireless manner. The control host 101 receives and stores the temperature data transmitted by the wireless temperature probe 303 for subsequent analysis.

[0025] It is worth mentioning that, referring to Figure 1 , the control host 101 is installed on the side surface of the sensor shell 1, and the connecting flanges 102 are installed on the front and rear ends of the sensor shell 1.

[0026] When using a pipeline temperature sensor, first, according to the specifications and layout of the pipeline, the size of the sensor shell 1 and the connection mode of the flange are determined, then a hole for the sensing optical fiber 2 to extend into is reserved in the pipeline, ensuring that the position and number of the hole can meet the temperature measurement requirements, then the sensor shell 1 is connected to each pipeline through the flange, ensuring the sealing of the flange to prevent medium leakage, at the same time, the sensing optical fiber 2 is led out from the inside of the sensor shell 1 and extends into the pipeline along the reserved hole, the sensing optical fiber 2 extends along the inside of the pipeline and covers multiple different positions, when the temperature in the pipeline changes, the sensing optical fiber 2 can perceive the change and convert it into an optical signal for transmission, the sensing optical fiber 2 transmits the measured temperature signal to the control host 101 on the surface of the sensor shell 1, the control host 101 converts the received optical signal into temperature data, then the staff calculates the average temperature of different positions in the pipeline according to the temperature data, installs the fixed ball 302 in the pipeline, and ensures that the wireless temperature probe 303 on the surface of the fixed ball 302 is kept at a proper distance from the inner wall of the pipeline to avoid temperature measurement error. When single-point temperature measurement is needed, the motor 3 is started, the motor 3 drives the rotating rod 301 and the fixed ball 302 to rotate, and then drives the wireless temperature probe 303 on the surface of the fixed ball 302 to rotate in the pipeline. A plurality of wireless temperature probes 303 measure the temperature of a specific point one by one in the rotating process, and transmit the measurement data to the control host 101 through a wireless manner. The control host 101 receives and stores the temperature data transmitted by the wireless temperature probe 303 for subsequent analysis.

[0027] In addition, the components designed in the utility model are all general standard components or components known by the person skilled in the art, the structure and principle of which can be known by the person skilled in the art through a technical manual or through a conventional experimental method, and the person skilled in the art can completely realize without redundancy, and the content protected by the utility model does not involve improvement of internal structure and method.

[0028] The utility model discloses the embodiment discloses the preferable embodiment, but is not limited to this, and the person skilled in the art, the person skilled in the art, very easily according to the above -mentioned embodiment, the spirit of the utility model is appreciated, and different is drawn and changes, but as long as not departing from the spirit of the utility model, all are in the protection scope of the utility model.

Claims

1. A pipe temperature sensor comprising a sensor housing (1), characterized in that A plurality of first circular holes (202) are arranged in a circle inside the sensor shell (1), a plurality of sensing optical fibers (2) are arranged to penetrate through the plurality of first circular holes (202), the plurality of sensing optical fibers (2) are fixed at the penetrating positions of the plurality of first circular holes (202), the two ends of the sensing optical fibers (2) respectively penetrate through a plurality of second circular holes (201) arranged on the surface of the pipeline body (103), and an internal temperature sensing assembly is arranged inside the sensing optical fibers (2).

2. The pipe temperature sensor of claim 1, wherein, The internal temperature sensing assembly comprises a fixed ball (302), a threaded groove (304), a threaded column (305), a wireless temperature measurement probe (303), a rotating rod (301) and a motor (3).

3. The pipe temperature sensor of claim 2, wherein, The motor (3) is installed on the top of the sensor shell (1), the bottom of the motor (3) is connected with the rotating rod (301), and the bottom of the rotating rod (301) extends into the sensor shell (1).

4. The pipe temperature sensor of claim 2, wherein, One end of the rotating rod (301) located in the sensor shell (1) is fixed with the fixed ball (302), and a plurality of threaded grooves (304) are arranged on the surface of the fixed ball (302).

5. The pipe temperature sensor of claim 2, wherein, One end of the threaded column (305) is screwed into the threaded groove (304), and the other end of the threaded column (305) is fixed with the wireless temperature measurement probe (303).

6. The pipe temperature sensor of claim 1, wherein, A control host (101) is installed on the side of the sensor shell (1), and a connecting flange (102) is installed on the front and rear of the sensor shell (1).

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