CN211317577U - Automatic sending device for measuring channel resistance of temperature transmitter - Google Patents
Automatic sending device for measuring channel resistance of temperature transmitter Download PDFInfo
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- CN211317577U CN211317577U CN201922276496.6U CN201922276496U CN211317577U CN 211317577 U CN211317577 U CN 211317577U CN 201922276496 U CN201922276496 U CN 201922276496U CN 211317577 U CN211317577 U CN 211317577U
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- setting key
- temperature
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- temperature transmitter
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model belongs to the technical field of the temperature measurement, concretely relates to automatic sending device of temperature transmitter measurement channel resistance and method. The utility model comprises a cable joint, a connecting cable, a resistance box, a display screen, a temperature range setting key, an interval time setting key, a unit setting key and an information inquiry key, wherein the cable joint is connected with the resistance box through the connecting cable; the resistance box panel is provided with a temperature range setting key, an interval time setting key, a unit setting key and an information inquiry key which are arranged in parallel, and the resistance box panel is also provided with a display screen. The utility model discloses can be safe, quick, effective, the correct completion temperature transmitter measurement channel precision verify work.
Description
Technical Field
The utility model belongs to the technical field of the temperature measurement, concretely relates to automatic sending device of temperature transmitter measuring channel resistance.
Background
In industrial application, the temperature transmitter has higher reaction speed than a common conventional thermal resistance thermometer, can quickly measure the temperature value of a process system or equipment, and is very widely applied. The temperature transmitter is generally divided into two parts, namely an in-situ temperature probe and a secondary instrument, and can rapidly measure the temperature value of a process system or equipment. For some systems for protecting the safety of the production process, the precision of a measurement channel of a temperature transmitter needs to be verified regularly, and the precision of the temperature measurement loop channel is ensured to meet the requirement. And a general instrument control person regularly removes the instrument wiring from the secondary instrument side of the temperature transmitter and accesses the resistance box. And calculating a resistance value according to the measuring range of the temperature transmitter, sequentially setting the resistance value in the resistance box, sending the resistance value to the upper control system through the secondary instrument, comparing the resistance value with the output temperature value of the upper control system, and comparing whether the difference value of the resistance value and the output temperature value is within an error allowable range, so as to verify that the precision of the measuring loop channel of the temperature transmitter meets the requirement. In the actual working process, each resistance value of the temperature transmitter needs to be calculated manually, the resistance value of the resistance box is adjusted manually, the risk of manual errors is high, and instrument control personnel cannot work in places for a long time in places such as high temperature, high pressure and high radioactivity, so that the inconvenience is brought to the work of the field instrument control personnel.
Taking a certain nuclear power station as an example, a temperature transmitter is adopted to measure the temperature of a main pipeline of a loop, in order to ensure that the precision of the loop measured by the temperature transmitter meets the requirement, instrument control personnel carry out precision verification during the overhaul of a unit, an instrument connector is pulled out from the secondary side of an instrument of the temperature transmitter, a resistance box is used for manually adjusting the resistance value according to the measuring range of the temperature transmitter, the precision verification of the loop measured by the temperature transmitter is completed, in the working process, the condition that the resistance value of the temperature transmitter is mistakenly calculated or the resistance value of the resistance box is mistakenly adjusted appears for many times, part of secondary meters of the temperature transmitter are installed around a medium with high radioactivity, and the.
At present, an automatic sending device for the resistance value of the temperature transmitter measuring channel is urgently needed, and the precision verification work of the temperature transmitter measuring channel can be safely, quickly, effectively and correctly completed.
Disclosure of Invention
The utility model provides a technical problem:
the utility model provides an automatic sending device of temperature transmitter measuring channel resistance can be safe, quick, effective, the correct completion temperature transmitter measuring channel precision verification work.
The utility model adopts the technical proposal that:
an automatic sending device for measuring channel resistance of a temperature transmitter comprises a cable joint, a connecting cable, a resistance box, a display screen, a temperature range setting key, an interval time setting key, a unit setting key and an information inquiry key, wherein the cable joint is connected with the resistance box through the connecting cable; the resistance box panel is provided with a temperature range setting key, an interval time setting key, a unit setting key and an information inquiry key which are arranged in parallel, and the resistance box panel is also provided with a display screen.
The connecting cable is adjustable in length.
The temperature range of the temperature transmitter is input through the temperature range setting key, and the resistance value is automatically converted according to the temperature range.
The time for automatically adjusting the resistance value is set by the interval time setting key.
The unit setting key sets the temperature unit and the resistance value unit in the whole work to be a unified unit.
The resistance value set in each time period can be called up through the information inquiry key.
The utility model has the advantages that:
(1) the cable joint and the secondary instrument side joint are used together, so that the working time is saved;
(2) in the automatic sending device for the resistance value of the temperature transmitter measuring channel, the length of the connecting cable can be set according to the actual needs of the site, and for a factory building with a severe operating environment, the long cable can be used for leading the resistance box to a place with a good environment, so that the risk of the operating environment is effectively reduced;
(3) in the automatic sending device for the resistance value of the temperature transmitter measuring channel, the resistance box can automatically calculate the corresponding resistance value according to the measuring range of the temperature transmitter, and the automation intensity is high;
(4) in the automatic sending device for the resistance value of the temperature transmitter measuring channel, the resistance box can automatically adjust the resistance value according to the set time, thereby reducing manual operation and saving human resources;
(5) in the automatic sending device for the resistance value of the measuring channel of the temperature transmitter, the display screen of the resistance box can display the resistance value and the corresponding temperature value in multiple lines in real time, and the intuition is strong;
(6) the utility model provides an among the automatic sending device of temperature transmitter measurement channel resistance, the resistance value of different time quantum is transferred according to the record function to the resistance box, and the practicality is strong.
Drawings
FIG. 1 is a schematic structural diagram of an automatic transmission device for measuring channel resistance of a temperature transmitter;
in the figure: 1-a cable joint; 2-connecting a cable; 3-a resistance box; 4-a display screen; 5-temperature range setting key; 6-Interval time setting key; 7-unit set key; 8-information inquiry key.
Detailed Description
The following describes the automatic transmission device for measuring the channel resistance value of the temperature transmitter in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the utility model provides an automatic sending device for temperature transmitter measuring channel resistance, including cable joint 1, connecting cable 2, resistance box 3, display screen 4, temperature range setting key 5, interval time setting key 6, unit setting key 7, information inquiry key 8, cable joint 1 is connected with resistance box 3 through connecting cable 2, and connecting cable 2 determines length according to actual demand; the panel of the resistance box 3 is provided with a temperature range setting key 5, an interval time setting key 6, a unit setting key 7 and an information inquiry key 8 which are arranged in parallel, and the panel of the resistance box 3 is also provided with a display screen 4.
An automatic sending method for measuring channel resistance of a temperature transmitter comprises the following steps:
step one, connecting a cable joint 1 with a resistance box 3 through a connecting cable 2, wherein the cable joint 1 is connected with the side of a secondary instrument;
setting the temperature unit and the resistance value unit in the whole work into a uniform unit through a unit setting key 7 in the resistance box 3;
inputting the temperature range of the temperature transmitter through a temperature range setting key 5, automatically converting the temperature range into a resistance value according to the temperature range, and displaying the resistance value in a display screen 4;
setting time for automatically adjusting the resistance value through an interval time setting key 6 according to the actual working requirement, displaying a plurality of lines by the display screen 4, and simultaneously displaying the temperature value corresponding to the resistance value in real time and recording the temperature value;
and step five, the resistance value set in each time period can be called through the information inquiry key 8.
The present invention has been described in detail with reference to the drawings and the actual operation, but the present invention is not limited to the above-described operation, and various changes, including changes in size, etc., can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. The present invention can be applied to any other part not described in detail.
Claims (6)
1. The utility model provides a temperature transmitter measuring channel resistance automatic sending device which characterized in that: the temperature-measuring device comprises a cable connector (1), a connecting cable (2), a resistance box (3), a display screen (4), a temperature range setting key (5), an interval time setting key (6), a unit setting key (7) and an information inquiry key (8), wherein the cable connector (1) is connected with the resistance box (3) through the connecting cable (2); the panel of the resistance box (3) is provided with a temperature range setting key (5), an interval time setting key (6), a unit setting key (7) and an information inquiry key (8) which are arranged in parallel, and the panel of the resistance box (3) is also provided with a display screen (4).
2. The automatic transmission device of the resistance value of the measuring channel of the temperature transmitter according to claim 1, characterized in that: the connecting cable (2) is adjustable in length.
3. The automatic transmission device of the resistance value of the measuring channel of the temperature transmitter according to claim 1, characterized in that: the temperature range of the temperature transmitter is input through a temperature range setting key (5), and the temperature range is automatically converted into a resistance value according to the temperature range.
4. The automatic transmission device of the resistance value of the measuring channel of the temperature transmitter according to claim 1, characterized in that: the time for automatically adjusting the resistance value is set by an interval time setting key (6).
5. The automatic transmission device of the resistance value of the measuring channel of the temperature transmitter according to claim 1, characterized in that: the unit setting key (7) sets the temperature unit and the resistance value unit in the whole work to be a uniform unit.
6. The automatic transmission device of the resistance value of the measuring channel of the temperature transmitter according to claim 1, characterized in that: the resistance value set in each time period can be called up through the information inquiry key (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922276496.6U CN211317577U (en) | 2019-12-17 | 2019-12-17 | Automatic sending device for measuring channel resistance of temperature transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922276496.6U CN211317577U (en) | 2019-12-17 | 2019-12-17 | Automatic sending device for measuring channel resistance of temperature transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211317577U true CN211317577U (en) | 2020-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922276496.6U Active CN211317577U (en) | 2019-12-17 | 2019-12-17 | Automatic sending device for measuring channel resistance of temperature transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211317577U (en) |
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2019
- 2019-12-17 CN CN201922276496.6U patent/CN211317577U/en active Active
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