CN216645638U - Thermocouple with three measuring heads - Google Patents

Thermocouple with three measuring heads Download PDF

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Publication number
CN216645638U
CN216645638U CN202123302783.3U CN202123302783U CN216645638U CN 216645638 U CN216645638 U CN 216645638U CN 202123302783 U CN202123302783 U CN 202123302783U CN 216645638 U CN216645638 U CN 216645638U
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temperature
thermocouple
transmission
display
gauge
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CN202123302783.3U
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刘瀚孺
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Tianjin Zhonghuan Temperature Instrument Co ltd
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Tianjin Zhonghuan Temperature Instrument Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

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Abstract

The utility model provides a three-meter-head thermocouple, wherein three meter heads and a temperature measuring structure of the thermocouple are respectively connected with a four-way pipe, two of the three meter heads are provided with temperature display windows, and two of the three meter heads are provided with temperature signal transmission interfaces, so that the two meter heads of the thermocouple have a temperature display function and can directly display the temperature measured by a temperature measuring core body, patrolling personnel can directly check the temperature value measured by the temperature measuring core body through the two meter heads, and meanwhile, the two meter heads of the thermocouple can transmit the temperature signal to a control system far away from the site so as to monitor the temperature by general and/or safety personnel. Utilize three gauge outfit simultaneous display same temperature measurement core to the temperature that same device under test same position department recorded, can prevent the risk that a gauge outfit damaged and bring, can provide temperature signal simultaneously for scene and remote personnel, conveniently patrol and examine, in case the temperature value difference that three places show is great, then can artifically revise the thermocouple.

Description

Thermocouple with three measuring heads
Technical Field
The utility model relates to the technical field of thermocouples, in particular to a three-gauge-head thermocouple with a display and/or transmission function.
Background
The thermocouple is a common primary temperature testing element and is often used in various occasions or reaction devices needing temperature control, such as a chemical reaction kettle, a sintering furnace and the like. Most of the existing thermocouples display the temperature by using a temperature transmitter in a junction box, the temperature measured by the thermocouple is displayed on site by using the temperature transmitter, a meter head for directly displaying the temperature measured by a temperature measuring core body is not arranged on the thermocouple (24 VDC is not required to be supplied on site), and errors may occur in the transmission process, the temperature measured by the same temperature measuring core body at the same position of the same device to be measured may present different temperature values on different temperature displays, if only one temperature display is used for displaying the temperature, once the displayed temperature has errors, manual correction cannot be performed, and the accurate measurement and display of the temperature inside the device by the thermocouple are further influenced. With the increasing requirements on the accuracy and the refinement of chemical monitoring, the reliability requirement for temperature detection of a specific position is gradually formed in the industry, so that the requirements on site observation and remote monitoring are met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a three-meter-head thermocouple, which can simultaneously measure the temperature of a position to be measured by using a temperature measuring core body and can meet the requirements of field observation and remote monitoring.
The technical purpose of the utility model is realized by the following technical scheme.
Three meter head thermocouples, including temperature display transmission gauge outfit, temperature display gauge outfit, temperature transmission gauge outfit, cross coupling and temperature measurement structure, wherein:
the temperature display transmission gauge head, the temperature display gauge head, the temperature transmission gauge head and the temperature measurement structure are respectively connected with four joints of the four-way pipe joint;
the temperature measuring structure comprises a protection tube and a temperature measuring core body, and the temperature measuring core body is arranged in the protection tube; the number of the temperature measuring core bodies is three, one end of each of the three temperature measuring core bodies is arranged outside the protection pipe, and temperature signal wires of the three temperature measuring core bodies are respectively connected with the temperature display transmission gauge head, the temperature display gauge head and the temperature transmission gauge head;
a first temperature display window and a first temperature signal transmission interface are arranged on the temperature display transmission gauge head; a second temperature display window is arranged on the temperature display gauge head; and a second temperature signal transmission interface is arranged on the temperature transmission gauge head.
In the technical scheme of the utility model, armored thermocouples are used as three temperature measuring core bodies.
In the technical scheme of the utility model, the temperature signal of each temperature measuring core body is connected with three gauge heads through signal wires, and corresponding circuit boards are arranged in the three gauge heads and connected with the temperature signal wires.
According to the technical scheme, the outer wall of the top end of the protection tube is provided with external threads, the mounting end of the temperature display transmission gauge head is provided with the external threads, the mounting end of the temperature display gauge head is provided with the external threads, and the mounting end of the temperature transmission gauge head is provided with the external threads and is respectively connected with the internal threads in four directions of the four-way pipe joint and sealed.
According to the technical scheme, a plurality of temperature measuring cores are tested on the same position to be tested, temperature signals of the temperature measuring cores are displayed on site and remotely, a plurality of temperature signals exist in each display, temperature display windows are arranged on two of three gauge heads, and temperature signal transmission interfaces are arranged on two of the three gauge heads, so that the two gauge heads of the thermocouple have a temperature display function, the temperature measured by the temperature measuring cores can be directly displayed, a patrol worker can directly check the temperature value measured by the temperature measuring cores through the two gauge heads, and meanwhile the two gauge heads of the thermocouple can transmit the temperature signals to a control system far away from the site, so that the general and/or safety worker can monitor the temperature signals. The three gauge heads are used for simultaneously displaying the temperature measured by the same temperature measuring core body at the same position of the same device to be measured, so that the risk caused by damage of one gauge head or the temperature measuring core body can be prevented, temperature signals can be simultaneously provided for field personnel and remote personnel, inspection is convenient, and communication between the field personnel and control personnel can be facilitated; once the difference between the temperature values displayed at the three positions is large, the thermocouple can be corrected manually, so that the accurate measurement and display of the temperature inside the device by the thermocouple are prevented from being influenced by errors.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: the temperature display meter comprises a temperature display transmission meter head 1, a temperature display meter head 2, a temperature transmission meter head 3, a four-way pipe joint 4, a protection pipe 5, a temperature measurement core body 6, a first temperature signal transmission interface 7, a second temperature signal transmission interface 8, a first temperature display window 9 and a second temperature display window 10.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
The technical solution of the present invention is further illustrated by the following specific examples.
As shown in fig. 1, the three-meter-head thermocouple comprises a temperature display transmission meter head 1, a temperature display meter head 2, a temperature transmission meter head 3, a four-way pipe joint 4 and a temperature measurement structure, wherein:
the temperature display transmission gauge head 1, the temperature display gauge head 2, the temperature transmission gauge head 3 and the temperature measurement structure are respectively in threaded connection with four joints of a four-way pipe joint 4;
the temperature measuring structure comprises a protection tube 5 and a temperature measuring core body 6, wherein the temperature measuring core body 6 is arranged in the protection tube 5, and the temperature measuring core body 6 is protected and sealed by the protection tube 5; the number of the temperature measuring core bodies 6 is 3, one end of each temperature measuring core body is exposed out of the protection tube 5 and is used for measuring the temperature of a position to be measured, the other end (namely, one end extending out of a temperature signal line) of one temperature measuring core body 6 is connected with the temperature display transmission meter head 1, the other end of the other temperature measuring core body 6 is connected with the temperature display meter head 2, and the other end of the last temperature measuring core body 6 is connected with the temperature transmission meter head 3;
a first temperature display window 9 is arranged on the temperature display transmission gauge head 1 and is used for displaying the temperature value measured by the temperature measurement structure for on-site observation, and a first temperature signal transmission interface 7 is arranged on the temperature display transmission gauge head 1 and is used for transmitting the temperature signal value obtained by the temperature display transmission gauge head 1 to a remote control display system;
a second temperature display window 10 is arranged on the temperature display gauge head 2 and is used for displaying the temperature value measured by the temperature measuring structure for on-site observation;
and a second temperature signal transmission interface 8 is arranged on the temperature transmission gauge head 3 and is used for transmitting the temperature signal value obtained by the temperature transmission gauge head 3 to a remote control display system.
During the use, set up the external screw thread on the top outer wall of protection tube 5, the installation end of temperature display transmission gauge outfit 1 sets up the external screw thread, and the installation end of temperature display gauge outfit 2 sets up the external screw thread, and the installation end of temperature transmission gauge outfit 3 sets up the external screw thread, links to each other and seals with the internal thread of four directions of four-way pipe joint 4 respectively. The armored thermocouple is used as three temperature measuring core bodies 6, the temperature signal of each temperature measuring core body is connected with three gauge heads through signal wires, corresponding circuit boards are arranged in the three gauge heads and connected with the temperature signal wires, and the signal wires and the circuit boards are arranged in the three gauge heads, the four-way pipe joint and the protection pipes (and in each connecting device).
The thermocouple is arranged at a temperature measuring position of a temperature measuring device, the three temperature measuring core bodies measure the temperature of the position simultaneously and transmit temperature signals to three gauge heads, namely a temperature display transmission gauge head 1, a temperature display gauge head 2 and a temperature transmission gauge head 3 through signal lines respectively, the temperature value measured by the temperature measuring core body 6 is directly displayed by utilizing a first temperature display window 9 on the temperature display transmission gauge head 1 and a second temperature display window 10 on the temperature display gauge head 2, and a site inspector can know the specific temperature value at the temperature measuring position by directly reading the display temperatures on the first temperature display window 9 and the second temperature display window 10 without checking the display system of a remote control system at a distance; the temperature signal values measured by the temperature measuring core body are respectively transmitted to a display system of remote control by utilizing a first temperature signal transmission interface 7 of the temperature display transmission gauge head 1 and a second temperature signal transmission interface 8 of the temperature transmission gauge head 3, and are respectively displayed on the display system so as to be monitored by control personnel.
When the temperature measuring device is used, if a remote control person finds that two temperature signal values change, if the temperature values displayed by the two temperature signal values exceed an expected error, the remote control person can immediately contact with a field patrol person, the patrol person immediately observes the temperature values of two field temperature display windows, and at the moment, the remote control person and the field patrol person can confirm which of the three temperature measuring core bodies has a problem, whether the temperature measuring core bodies are manually corrected or whether abnormal temperature change occurs at the position or not, whether the whole operation equipment has an operation problem or not and the like through communication; when the on-site patrol personnel find that the temperature changes, the on-site patrol personnel can immediately contact and communicate with the remote control personnel.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly. Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The utility model has been described in an illustrative manner, and it is to be understood that any simple variations, modifications or other equivalent changes which can be made by one skilled in the art without departing from the spirit of the utility model fall within the scope of the utility model.

Claims (5)

1. Three meter head thermocouples, its characterized in that, including temperature display transmission gauge outfit, temperature display gauge outfit, temperature transmission gauge outfit, cross coupling and temperature measurement structure, wherein:
the temperature display transmission gauge head, the temperature display gauge head, the temperature transmission gauge head and the temperature measurement structure are respectively connected with four joints of the four-way pipe joint;
the temperature measuring structure comprises a protection tube and a temperature measuring core body, and the temperature measuring core body is arranged in the protection tube; the number of the temperature measuring core bodies is three, one end of each temperature measuring core body is arranged outside the protection pipe, and temperature signal wires of the three temperature measuring core bodies are respectively connected with the temperature display transmission gauge outfit, the temperature display gauge outfit and the temperature transmission gauge outfit;
a first temperature display window and a first temperature signal transmission interface are arranged on the temperature display transmission gauge head; a second temperature display window is arranged on the temperature display gauge head; and a second temperature signal transmission interface is arranged on the temperature transmission gauge head.
2. A three-tap thermocouple according to claim 1, characterised in that a sheathed thermocouple is used as the temperature measuring core.
3. A three gauge thermocouple according to claim 1 or claim 2, in which respective circuit boards are provided in the three gauges to connect with the temperature signal lines.
4. A thermocouple with a three gauge point according to claim 1 or 2, wherein the outer wall of the top end of the protection tube is provided with external threads, the mounting end of the temperature display transmission gauge point is provided with external threads, the mounting end of the temperature display gauge point is provided with external threads, and the mounting end of the temperature transmission gauge point is provided with external threads which are respectively connected and sealed with the internal threads of the four-way pipe joint in four directions.
5. A three tip thermocouple according to claim 3, in which the outer wall of the top end of the protective tube is provided with external screw threads, the mounting end of the temperature display transmission gauge head is provided with external screw threads, the mounting end of the temperature display gauge head is provided with external screw threads, and the mounting end of the temperature transmission gauge head is provided with external screw threads which are connected to and sealed with the internal screw threads of the four-way joint in four directions, respectively.
CN202123302783.3U 2021-12-21 2021-12-21 Thermocouple with three measuring heads Active CN216645638U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123302783.3U CN216645638U (en) 2021-12-21 2021-12-21 Thermocouple with three measuring heads

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123302783.3U CN216645638U (en) 2021-12-21 2021-12-21 Thermocouple with three measuring heads

Publications (1)

Publication Number Publication Date
CN216645638U true CN216645638U (en) 2022-05-31

Family

ID=81743661

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123302783.3U Active CN216645638U (en) 2021-12-21 2021-12-21 Thermocouple with three measuring heads

Country Status (1)

Country Link
CN (1) CN216645638U (en)

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