CN213022014U - Equipment temperature data acquisition device - Google Patents
Equipment temperature data acquisition device Download PDFInfo
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- CN213022014U CN213022014U CN202021718458.8U CN202021718458U CN213022014U CN 213022014 U CN213022014 U CN 213022014U CN 202021718458 U CN202021718458 U CN 202021718458U CN 213022014 U CN213022014 U CN 213022014U
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- data acquisition
- thermal resistance
- signal
- controller
- temperature data
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Abstract
The utility model relates to an equipment temperature data acquisition device, the transmitter is kept apart to the front end equipment through temperature sensor connection thermal resistance for convert the initial thermal resistance signal of temperature sensor into 1 all the way: 1, resistance signal and one path of analog current signal; the thermal resistance isolation transmitter is connected with the power meter through a first communication line and is connected with the controller through a second communication line; the output end of the controller is connected with the data acquisition unit through a third communication line; the data acquisition unit is connected with the rear-end platform through a network cable. The utility model discloses can keep apart the changer through the thermal resistance with the initial thermal resistance signal that temperature sensor sent and generate resistance signal all the way and analog current signal all the way to the resistance signal who will generate passes to the electric power meter and carries out field data display and monitoring, converts the analog current signal who generates into digital signal through the controller and passes to data collection station and carry out temperature data acquisition, and passes to rear end platform remote monitoring, realizes two-way data transmission of resistance signal and collection effect.
Description
Technical Field
The utility model relates to an industrial production equipment monitoring technology field, concretely relates to equipment temperature data acquisition device.
Background
The acquisition system for collecting the temperature data of the existing equipment mainly has the following problems:
1. the market brand of the data acquisition unit is complicated, the user selectivity is high, signals are not uniform, and a plurality of problems that resistance signals cannot be read, signals cannot be received by a power meter and the like can occur in the construction of a data acquisition system.
2. The temperature measuring points have noise, high voltage, high temperature and strong electromagnetic interference, so that the precision of a semiconductor electronic device is easily reduced or damaged, and the data deviation is large.
3. Under the condition that an enterprise has an existing electric power meter but does not form a data acquisition system, the enterprise mostly abandons the original hardware foundation under the requirement of data analysis and investigation, introduces a complete system of manufacturers, and increases the operation cost and the waste of initial equipment investment.
To the above problem, the utility model provides an equipment temperature data acquisition device, the device keeps apart the changer structure through the thermal resistance and founds the collection framework, converts the initial thermal resistance signal of temperature sensor into 1 all the way: 1 resistance signal and one path of analog current signal, the signal format of the resistance signal and the one path of analog current signal is converted into a signal format which can be read by the data collector, and the signals which need to be received by the power meter are not occupied, so that the data collection effect of the data collector is realized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the problem that prior art exists, provide an equipment temperature data acquisition device.
For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
the device temperature data acquisition device comprises front-end equipment, wherein the front-end equipment is connected with the input end of a thermal resistance isolation transmitter through a temperature sensor and is used for transmitting an initial thermal resistance signal of the temperature sensor to the thermal resistance isolation transmitter;
the output end of the thermal resistance isolation transmitter is connected with the input end of the controller through a second communication line and used for converting an initial thermal resistance signal into an analog current signal and transmitting the analog current signal to the controller;
the output end of the controller is connected with the data acquisition unit through a third communication line and is used for converting the analog current signal into a digital signal and transmitting the digital signal to the data acquisition unit so as to collect temperature data of front-end equipment;
the data collector is connected with the rear-end platform through a network cable and used for arranging and remotely monitoring the collected temperature data.
Furthermore, the controller is provided with a corresponding communication terminal for connecting the thermal resistance isolation transmitter and the data collector.
Further, the controller is a PLC controller.
Furthermore, the temperature sensor is a closed loop formed by connecting platinum and rhodium metal conductors end to end.
Further, the output end of the thermal resistance isolation transmitter is connected with an electric power meter through a first communication line and used for converting an initial thermal resistance signal into a signal 1: 1, outputting the resistance signal to the input end of the electric power meter, and checking and monitoring on site.
The utility model has the advantages that:
the utility model discloses can carry out filtering and noise attenuation with the initial hot resistance signal that temperature sensor sent, the separation ground trades the way, keeps apart different earth potential, suppresses the influence of external magnetic field, generates 1 all the way: 1 and the generated resistance signal is transmitted to a power meter for field temperature data display and monitoring, the generated analog current signal is converted into a digital signal through a controller and transmitted to a data acquisition unit for temperature data acquisition, and the digital signal is transmitted to a rear-end platform for remote viewing and monitoring, so that bidirectional data transmission and acquisition effects of the resistance signal are realized.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The reference numbers in the figures illustrate: 1. front-end equipment, 2, a power meter, 3, a thermal resistance isolation transmitter, 4, a network cable, 5, a controller, 6, a data acquisition unit, 7, a rear-end platform, 8, a temperature sensor, 9, a first communication line, 10, a second communication line, 11 and a third communication line.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1, an apparatus temperature data acquisition device includes a front-end apparatus 1, where the front-end apparatus 1 is connected to an input end of a thermal resistance isolation transmitter 3 through a temperature sensor 8, and is configured to transmit an initial thermal resistance signal of the temperature sensor 8 to the thermal resistance isolation transmitter 3;
the output end of the thermal resistance isolation transmitter 3 is connected with the input end of the controller 5 through a second communication line 10, and is used for converting an initial thermal resistance signal into an analog current signal and transmitting the analog current signal to the controller 5;
the output end of the controller 5 is connected with the data acquisition unit 6 through a third communication line 11, and is used for converting the analog current signal into a digital signal and transmitting the digital signal to the data acquisition unit 6 so as to collect temperature data of the front-end equipment 1;
and the data acquisition unit 6 is connected with the rear-end platform 7 through the network cable 4 and is used for arranging and remotely monitoring the acquired temperature data.
And the controller 5 is provided with a corresponding communication terminal for connecting the thermal resistance isolation transmitter 3 and the data collector 6.
The controller 5 is a PLC controller.
The temperature sensor 8 is a closed loop formed by connecting platinum and rhodium metal conductors end to end, and the basic principle of the closed loop is a thermoelectric effect.
The output end of the thermal resistance isolation transmitter 3 is connected with the electric power meter 2 through a first communication line 9 and used for converting an initial thermal resistance signal into a signal 1: 1 resistance signal and output to the input end of the electric power meter 2 for on-site checking and monitoring.
The principle of the utility model
The utility model discloses keep apart changer 3 setting at temperature sensor 2 rear with the thermal resistance, and convert the initial thermal resistance signal of temperature sensor 2 into two way signals (1: 1 resistance signal and analog current signal respectively), the analog current signal format is the intermediate signal that the PLC controller can discern, the PLC controller is through the conventional conversion logic that reads in this field simultaneously, convert analog current signal into digital signal, and do not occupy the signal that electric power meter 2 needs to receive, and then transmit to rear end platform 7 through corresponding net twine 12 by data collection station 6, carry out data collection arrangement and remote observation.
It will be understood by those skilled in the art that the related modules (such as the thermal resistance isolation transmitter and the controller) and the functions realized by the related modules in the present invention are realized by carrying the conventional computer software programs or related protocols in the prior art on the modified hardware and the devices, devices or systems formed by the hardware, and are not realized by modifying the computer software programs or related protocols in the prior art. For example, the improved computer hardware system can still realize the specific functions of the hardware system by loading the existing software operating system. Therefore, it can be understood that the innovation of the present invention lies in the improvement of the hardware module and the connection combination relationship thereof in the prior art, rather than the improvement of the software installed in the hardware module for realizing the related functions.
In addition, it should be noted that the terms "first", "second", "third", and the like in the specification are used for distinguishing various components, elements, steps, and the like in the specification, and are not used for indicating a logical relationship or a sequential relationship between the various components, elements, steps, and the like, unless otherwise specified or indicated.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The equipment temperature data acquisition device comprises front-end equipment (1), and is characterized in that the front-end equipment (1) is connected with the input end of a thermal resistance isolation transmitter (3) through a temperature sensor (8) and is used for transmitting an initial thermal resistance signal of the temperature sensor (8) to the thermal resistance isolation transmitter (3);
the output end of the thermal resistance isolation transmitter (3) is connected with the input end of the controller (5) through a second communication line (10) and used for converting an initial thermal resistance signal into an analog current signal and transmitting the analog current signal to the controller (5);
the output end of the controller (5) is connected with the data acquisition unit (6) through a third communication line (11) and used for converting the analog current signal into a digital signal and transmitting the digital signal to the data acquisition unit (6) so as to collect temperature data of the front-end equipment (1);
the data acquisition unit (6) is connected with the rear end platform (7) through the network cable (4) and is used for arranging and remotely monitoring the acquired temperature data.
2. The device temperature data acquisition device according to claim 1, wherein the controller (5) is provided with corresponding communication terminals for connecting the thermal resistance isolation transmitter (3) and the data acquisition unit (6).
3. The device temperature data acquisition apparatus according to claim 2, wherein the controller (5) is a PLC controller.
4. The device temperature data acquisition device according to claim 1, wherein the temperature sensor (8) is a closed loop formed by platinum and rhodium metal conductors connected end to end.
5. The device temperature data acquisition apparatus according to claim 1, wherein the output of the thermal resistance isolation transmitter (3) is connected to a wattmeter (2) via a first communication line (9) for converting an initial thermal resistance signal into 1: 1, outputting the resistance signal to an input end of the electric power meter (2) for field checking and monitoring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021718458.8U CN213022014U (en) | 2020-08-18 | 2020-08-18 | Equipment temperature data acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021718458.8U CN213022014U (en) | 2020-08-18 | 2020-08-18 | Equipment temperature data acquisition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213022014U true CN213022014U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021718458.8U Active CN213022014U (en) | 2020-08-18 | 2020-08-18 | Equipment temperature data acquisition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213022014U (en) |
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2020
- 2020-08-18 CN CN202021718458.8U patent/CN213022014U/en active Active
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