CN215219524U - Temperature control loop of skin heat tracing control system - Google Patents
Temperature control loop of skin heat tracing control system Download PDFInfo
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- CN215219524U CN215219524U CN202121019461.5U CN202121019461U CN215219524U CN 215219524 U CN215219524 U CN 215219524U CN 202121019461 U CN202121019461 U CN 202121019461U CN 215219524 U CN215219524 U CN 215219524U
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Abstract
The utility model relates to a skin companion's heat control system technical field discloses a skin companion's heat control system's temperature control return circuit, including setting up accent merit ware CPV-KZ in the power control cabinet, accent merit ware CPV-KZ's input is connected with control by temperature change table WK, control by temperature change table WK's input is connected with and sets up in the temperature sensor T that the sea pipe was imported and exported, accent merit ware CPV-KZ, control by temperature change table WK all are connected with PLC control module through 485 communication ports. The utility model discloses a device passes through temperature sensor T real-time supervision sea pipe and imports and exports the temperature to convert temperature information into electric current voltage signal for PLC temperature control module, real-time control transfers power ware CPV-KZ's output, in order to keep the sea pipe constant temperature, reaches energy-conserving purpose.
Description
Technical Field
The utility model relates to a skin companion's heat control system technical field, concretely relates to skin companion's heat control system's temperature control circuit.
Background
The electric tracing technology of pipeline skin effect is a new technology for heating and insulating heat transmission pipelines of enterprises such as large-scale petrochemical industry and the like. The principle is mainly based on the "skin effect" and the "proximity effect" of alternating currents. In a skin heat tracing system, when current passes between a cable in a heating pipe and the heating pipe, because a certain relation exists among the size, the material and the alternating current frequency of a steel pipe, alternating current flows through the section of the steel pipe unevenly but flows on the inner surface of the steel pipe in a concentrated manner, the current density is reduced towards the outer surface according to an exponential law, the voltage and the current on the outer surface of the steel pipe are almost zero, and the skin heat tracing system is safe, so that the steel pipe is directly welded on the conveying pipe. The current of the skin on the inner wall of the heat pipe generates joule heat, and the heat is rapidly transferred to the conveying pipe through the welding line and the heat-conducting cement, so that the heat tracing requirement is met. In the existing automatic control system of the skin heat tracing pipeline, data feedback is not timely, the problems that the temperature fluctuation of a sea pipe is large, and the control system cannot adjust in real time exist, so that more heat is wasted.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a skin companion's heat control system's temperature control return circuit, the device can guarantee the marine pipe constancy of temperature to reach the purpose of energy saving.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a skin companion's heat control system's temperature control return circuit, is including setting up the accent merit ware CPV-KZ in power control cabinet, the input of transferring merit ware CPV-KZ is connected with control by temperature change table WK, control by temperature change table WK's input is connected with the temperature sensor T who sets up in the sea pipe exit, transfer merit ware CPV-KZ, control by temperature change table WK and all be connected with PLC control module through 485 communication ports.
The output end of the PLC control module is respectively connected with a relay KA4 and a relay KA5, a normally open contact of the relay KA4 is connected with an RUN port of the power adjusting device CPV-KZ and used for controlling the operation of the power adjusting device CPV-KZ, and a normally open contact of the relay KA5 is connected with an RST port of the power adjusting device CPV-KZ and used for resetting faults of the power adjusting device CPV-KZ.
The utility model discloses in, it is preferred, the input of power control cabinet is connected with the inlet wire high pressure sensor DXN1 that is used for detecting the inlet wire voltage, the output of power control cabinet is connected with the high pressure sensor DXN2 that is used for detecting output voltage.
And an instrument room illumination branch for instrument room illumination, a cable room illumination branch for cable room illumination and a temperature and humidity adjustment branch for adjusting the ambient temperature in the power control cabinet are also arranged in the power control cabinet.
The utility model discloses in, it is further, instrument room illumination branch road includes light BD1, light BD1 is connected with lighting switch XCL's normally closed contact.
The utility model discloses in, it is further, cable chamber illumination branch road includes button XCB, button XCB is connected with maintenance lamp BD 2.
The utility model discloses in, it is preferred, the temperature and humidity control branch road includes temperature and humidity controller WSD, temperature and humidity controller WSD's input is connected with temperature and humidity sensor, temperature and humidity controller WSD's output is connected with cooling fan DJ.
The utility model discloses in, it is further, PLC control module includes PLC1, PLC 1's I0.3 port, I0.4 port respectively through button SB3, button SB4 with the power control cabinet is connected, is used for manual control power control cabinet's start-up and stop respectively.
The utility model discloses in, it is further, it has communication signal board PLC0 to integrate on PLC1, integrated TX, RX port that has communication signal board PLC0 respectively with temperature control table WK's 35, 34 port are connected.
The utility model discloses in, it is further, PLC1 is connected with the backstage watch-dog that is used for sending command.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a device passes through temperature sensor T real-time supervision sea pipe and imports and exports the temperature to convert temperature information into electric current voltage signal for PLC temperature control module, real-time control transfers power ware CPV-KZ's output, in order to keep the sea pipe constant temperature, reaches energy-conserving purpose. In addition, the temperature control meter WK can monitor input and output data in real time, and can enable the PLC to communicate with the background monitor in a 458 communication mode, so that the data can be monitored in real time, the information such as the operating condition, the fault information, the voltage and current value, the real-time power value and the outlet temperature value of the marine pipe of each component of the system can be displayed in a graphical mode, and remote control can be realized.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a control circuit diagram of the power regulator CPV-KZ of the present invention;
FIG. 2 is a control circuit diagram of the temperature control gauge WK of the present invention;
fig. 3 is a circuit diagram of the inlet wire high voltage sensor DXN1 of the present invention;
fig. 4 is a circuit diagram of the outlet high voltage sensor DXN2 of the present invention;
fig. 5 is a circuit diagram of a control loop in the power control cabinet of the present invention;
fig. 6 is a circuit diagram of the PLC control module of the present invention.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Please refer to fig. 1, a preferred embodiment of the present invention provides a temperature control loop of a skin heat tracing control system, which comprises a power regulator CPV-KZ disposed in a power control cabinet, wherein an input end of the power regulator CPV-KZ is connected to a temperature control meter WK, an input end of the temperature control meter WK is connected to a temperature sensor T disposed at an inlet and an outlet of a sea pipe, and the power regulator CPV-KZ and the temperature control meter WK are both connected to a PLC control module through 485 communication ports.
The utility model discloses a temperature is imported and exported to the device through temperature sensor T real-time supervision sea pipe to convert temperature information into electric current voltage signal for PLC temperature control module, real-time control transfers power ware CPV-KZ's output, and control by temperature change table WK can monitor input and output data in real time, in order to keep the sea pipe constant temperature, reaches energy-conserving purpose.
The utility model discloses in, please refer to fig. 1, 6 simultaneously, it is further, the PLC control module includes PLC1, PLC 1's I0.3 port, I0.4 port respectively through button SB3, button SB4 with the power control cabinet is connected, is used for the start-up and the stop of manual control power control cabinet respectively. The I1.2 port and the I1.3 port of the PLC1 are connected the power regulator CPV-KZ for realizing the power control and the data transmission of the power regulator CPV-KZ, the Q0.4 port and the Q0.5 port of the PLC1 are respectively connected with a relay KA4 and a relay KA5, a normally open contact of the relay KA4 is connected with the RUN port of the power regulator CPV-KZ for controlling the operation of the power regulator CPV-KZ, and a normally open contact of the relay KA5 is connected with the RST port of the power regulator CPV-KZ for resetting the fault of the power regulator CPV-KZ.
When the power adjusting device works specifically, the PLC1 controls the relay KA4 to be electrified, the normally open contact of the relay KA4 is closed, the power adjusting device CPV-KZ starts to operate, the PLC1 controls the relay KA4 to be electrified, the normally open contact of the relay KA4 is disconnected, and the power adjusting device CPV-KZ stops operating.
Referring to fig. 1, 2 and 5, the AI1 port of the power regulator CPV-KZ is connected to the 25 terminal of the temperature control table WK, so as to monitor the power output by the CPV-KZ in real time and feed back the power to the PCL 1. Specifically, terminal ports 20, 21 and 24 of the temperature control meter WK are used for receiving an electric signal monitored by the temperature sensor T, a communication signal board PLC0 is integrated on the PLC1, ports TX and RX of the communication signal board PLC0 are respectively connected with ports 35 and 34 of the temperature control meter WK, the temperature sensor T transmits a detected signal to the temperature control meter WK for display, the temperature control meter WK transmits the detected signal to the interior of the PLC through the communication signal board PLC0, and the output power of the power regulator CPV-KZ is adjusted according to the detected signal to control the heating temperature of the electric heater on the heating pipe, so that the temperature of the inlet and the outlet of the marine pipe is kept constant, less heat is dissipated, and the purpose of energy conservation is achieved.
In the utility model discloses, further, DB9-3, DB9-8 of PLC1 are 485 communication ports, can be connected with the backstage watch-dog for send command. And the background monitor displays the information such as the running state, the fault information, the voltage current value, the real-time power value, the outlet temperature value of the marine vessel and the like of each component of the system in a graphical mode, and can display the information such as the system state, the fault position, the fault type, the fault occurrence time and the like according to the data transmitted by the PLC1, so that the remote monitoring is realized.
The utility model discloses in, it is preferred, as shown in fig. 3, 4, the input of power control cabinet is connected with the inlet wire high pressure sensor DXN1 that is used for detecting the inlet wire voltage, the output of power control cabinet is connected with the high pressure sensor DXN2 that is qualified for the next round of competitions that is used for detecting output voltage. The inlet wire high-voltage sensor DXN1 and the outlet wire high-voltage sensor DXN2 are respectively used for detecting voltage fluctuation conditions of an inlet wire side, an outlet wire side and voltage, the voltage of the inlet wire side comes from a bus room, the voltage of the outlet wire side comes from a cable room, and the cable room mainly supplies power for cables in the heating pipe.
The utility model discloses in, it is further, still be equipped with the instrument room illumination branch road that is used for the illumination of instrument room in the power control cabinet, be used for the cable chamber illumination branch road of cable chamber illumination and be used for adjusting the humiture control branch road of cabinet internal environment temperature.
Specifically, as shown in fig. 5, the instrument room lighting branch includes an illumination lamp BD1, the illumination lamp BD1 is connected to a normally closed contact of a lighting switch XCL, and during normal operation, the illumination lamp BD1 is in a normally on state; the cable chamber lighting branch comprises a button XCB, the button XCB is connected with an overhaul lamp BD2, when overhaul is carried out, the button XCB needs to be manually pressed, and the overhaul lamp BD2 is lightened, so that workers can conveniently overhaul; the temperature and humidity control branch road includes temperature and humidity controller WSD, and temperature and humidity controller WSD's input is connected with temperature and humidity sensor, temperature and humidity controller WSD's output is connected with cooling fan DJ. Specifically, temperature and humidity sensor is used for detecting the humiture in the power control cabinet, and temperature and humidity controller WSD makes each components and parts normal work according to the work of above-mentioned information control cooling fan DJ to guarantee the temperature in the cabinet.
In the present embodiment, it is preferred that,
the working principle is as follows: the temperature of the inlet and outlet of the sea pipe is monitored in real time through the temperature sensor T, temperature information is converted into current/voltage signals to be transmitted to the PLC temperature control module, when the PLC1 controls the relay KA4 to be electrified, the normally open contact of the relay KA4 is closed, the power regulator CPV-KZ starts to operate, the output power of the power regulator CPV-KZ is controlled in real time through the feedback signal of the temperature sensor T, the input and output data can be monitored in real time through the open control temperature control meter WK, the heating temperature of the heating pipe by the electric heater is controlled, the constant temperature of the inlet and outlet of the sea pipe is maintained, less heat is dissipated, and the purpose of energy conservation is achieved. Meanwhile, in order to ensure that components in the control cabinet normally work, the temperature and the humidity in the power control cabinet are detected through the temperature and humidity sensor, and the temperature and humidity controller WSD controls the work of the cooling fan DJ according to the information so as to ensure that constant temperature is maintained in the cabinet. This PLC1 is equipped with 485 communication ports, can communicate with backstage watch-dog, display screen etc. realizes remote monitoring and control.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (10)
1. The utility model provides a temperature control return circuit of skin companion's heat control system, its characterized in that, including setting up the power modulation ware CPV-KZ in power control cabinet, power modulation ware CPV-KZ's input is connected with control by temperature change table WK, control by temperature change table WK's input is connected with the temperature sensor T who sets up in the sea pipe exit, power modulation ware CPV-KZ, control by temperature change table WK all are connected with PLC control module through 485 communication ports.
2. The temperature control circuit of a skin heat tracing control system according to claim 1, wherein the output end of the PLC control module is connected with a relay KA4 and a relay KA5 respectively, the normally open contact of the relay KA4 is connected with the RUN port of the power regulator CPV-KZ for controlling the operation of the power regulator CPV-KZ, and the normally open contact of the relay KA5 is connected with the RST port of the power regulator CPV-KZ for resetting the fault of the power regulator CPV-KZ.
3. The temperature control circuit of a skin heating control system according to claim 2, wherein an input terminal of the power control cabinet is connected to a DXN1 for detecting an input voltage, and an output terminal of the power control cabinet is connected to a DXN2 for detecting an output voltage.
4. The temperature control circuit of a skin heat tracing control system according to claim 1, wherein an instrument room illumination branch for instrument room illumination, a cable room illumination branch for cable room illumination, and a temperature and humidity adjustment branch for adjusting the ambient temperature in the cabinet are further provided in the power control cabinet.
5. The temperature control circuit of a skin heating control system according to claim 4, wherein the instrument room lighting branch comprises a lighting lamp BD1, the lighting lamp BD1 is connected with a normally closed contact of a lighting switch XCL.
6. The temperature control loop of a skin heat tracing control system according to claim 4, wherein said cable room lighting branch comprises a button XCB to which a service lamp BD2 is connected.
7. The temperature control loop of the skin heat tracing control system according to claim 4, wherein the temperature and humidity adjusting branch comprises a temperature and humidity controller (WSD), an input end of the WSD is connected with a temperature and humidity sensor, and an output end of the WSD is connected with a cooling fan (DJ).
8. The temperature control circuit of skin heat tracing control system according to claim 1, wherein said PLC control module comprises PLC1, and the I0.3 port and the I0.4 port of said PLC1 are connected to said power control cabinet by a button SB3 and a button SB4 respectively, for controlling the start and stop of the power control cabinet manually.
9. The temperature control loop of the skin heat tracing control system according to claim 8, wherein said PLC1 is integrated with a communication signal board PLC0, and the TX and RX ports of said PLC0 are connected to the 35 and 34 ports of said temperature control meter WK, respectively.
10. The temperature control loop of a skin heat tracing control system according to claim 8, wherein said PLC1 is connected with a background monitor for sending instructions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121019461.5U CN215219524U (en) | 2021-05-13 | 2021-05-13 | Temperature control loop of skin heat tracing control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121019461.5U CN215219524U (en) | 2021-05-13 | 2021-05-13 | Temperature control loop of skin heat tracing control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215219524U true CN215219524U (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121019461.5U Active CN215219524U (en) | 2021-05-13 | 2021-05-13 | Temperature control loop of skin heat tracing control system |
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|---|---|
| CN (1) | CN215219524U (en) |
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2021
- 2021-05-13 CN CN202121019461.5U patent/CN215219524U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Temperature Control Circuit for a Skin Tracing Control System Effective date of registration: 20230712 Granted publication date: 20211217 Pledgee: China Construction Bank Corporation Tianjin Development Branch Pledgor: Tianjin Saipan Ocean Engineering Technology Co.,Ltd. Registration number: Y2023120000065 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |