CN113568448A - Control method and system of temperature regulation and control system of dual-altitude LCI transmission cabinet - Google Patents
Control method and system of temperature regulation and control system of dual-altitude LCI transmission cabinet Download PDFInfo
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- CN113568448A CN113568448A CN202110768312.7A CN202110768312A CN113568448A CN 113568448 A CN113568448 A CN 113568448A CN 202110768312 A CN202110768312 A CN 202110768312A CN 113568448 A CN113568448 A CN 113568448A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
Abstract
The invention discloses a control method and a system for a temperature regulation and control system of a dual-altitude LCI transmission cabinet, which comprise the following steps: s1, acquiring a temperature control value of the normal operation condition of the dual-high-line LCI transmission cabinet; s2, collecting the system temperature of the double-high-line LCI transmission cabinet in the dynamic operation process in real time; and step S3, adjusting the air outlet temperature of the cooling medium of the dual-high-line LCI according to the difference value between the system temperature of the dual-high-line LCI transmission cabinet in the current acquisition dynamic operation process and the temperature control value of the normal motion condition of the dual-high-line LCI transmission cabinet. The control method and the system for the temperature regulation and control system of the dual-altitude LCI transmission cabinet can quickly, accurately, real-timely and simply control the temperature regulation and control system of the dual-altitude LCI transmission cabinet, and promote long-period safe and stable operation of the LCI transmission cabinet.
Description
Technical Field
The invention relates to the technical field of steel production, in particular to a control method and a control system of a temperature regulation and control system of a dual-altitude LCI transmission cabinet.
Background
The heat that gives off in the two altitude finish rolling LCI transmission cabinets of steel rolling mill is very big when the running state, and 4 power cabinets and 1 reactance cabinets are all in the enclosed condition when the system is moving, and are furnished with electric interlocking, and this is because of the consideration to well high-voltage inverter safe operation, and the cooling in the cabinet mainly leans on the fan of cabinet top to follow the closed door that takes the dense net and convulsions, leans on cold wind to take away the heat. The actual temperature in the cabinet cannot be measured in real time by using a temperature measuring gun, but can be measured only through a temperature detecting point of a power unit PSA (pressure sensitive adhesive), the measuring point is only real-time, program conversion is needed, and continuous recording cannot be realized, so that serious influence is brought to long-period stable operation of a high-speed line finish rolling LCI transmission cabinet, and especially, the influence on precise electronic components in the transmission cabinet is more serious. Based on the operation condition, the cooling medium of the dual-altitude finish rolling LCI transmission cabinet can not be dynamically adjusted in real time, and the great bottleneck problem can be brought to the long-period safe and stable operation of the whole LCI transmission cabinet.
Disclosure of Invention
The invention aims to provide a control method and a control system for a temperature regulation and control system of a dual-altitude LCI transmission cabinet, which can quickly, accurately, real-timely and simply control the temperature regulation and control system of the dual-altitude LCI transmission cabinet, solve the problem of operation bottleneck of key equipment of the dual-altitude LCI transmission cabinet caused by the existing defects and the existing problems, and promote the long-period safe and stable operation of the LCI transmission cabinet.
In order to solve the technical problem, the invention provides a control method and a control system of a temperature regulation and control system of a dual-altitude LCI transmission cabinet, and the step S1 is used for acquiring a temperature control value of the normal operation condition of the dual-altitude LCI transmission cabinet;
s2, collecting the system temperature of the double-high-line LCI transmission cabinet in the dynamic operation process in real time;
step S3, adjusting the air outlet temperature of the cooling medium of the dual-high-line LCI according to the difference value between the system temperature of the dual-high-line LCI transmission cabinet in the current acquisition dynamic operation process and the temperature control value of the normal motion condition of the dual-high-line LCI transmission cabinet;
when the difference is greater than 0, the air outlet temperature of the double-altitude LCI cooling medium is gradually decreased and adjusted according to 4-6 ℃ until the difference is 0;
when the difference is less than 0, incrementally adjusting the air outlet temperature of the double-altitude LCI cooling medium at 1-3 ℃ until the difference is 0;
when the difference is equal to 0, the outlet air temperature of the dual-high-line LCI cooling medium is kept unchanged.
Preferably, in the steps S1 and S2, the system temperature of the dual-contour LCI driving cabinet during the dynamic operation of the dual-contour is acquired in real time at a certain time interval t each time.
Preferably, the time interval t is 50 milliseconds.
Preferably, the air conditioner comprises a temperature detector and a main electric room control and adjustment platform connected with the temperature detector, wherein the main electric room control and adjustment platform comprises a temperature acquisition unit, a temperature comparison unit and an air outlet temperature adjusting unit of LCI cooling media.
Preferably, including the main electric room control adjustment platform that temperature detector and be connected with temperature detector, main electric room control adjustment platform includes temperature acquisition unit, temperature comparison unit and the air-out temperature regulation unit of LCI cooling medium:
the temperature detector is used for detecting the system temperature of the dual-altitude LCI transmission cabinet in the dynamic operation process of the dual-altitude line;
the temperature acquisition unit is used for acquiring the system temperature of the dual-altitude LCI transmission cabinet in the dynamic operation process of the dual-altitude detected by the temperature detector;
the temperature comparison unit is used for comparing the system temperature of the dual-altitude LCI transmission cabinet in the current acquisition dynamic operation process with the temperature control value of the normal operation condition of the dual-altitude LCI transmission cabinet, and calculating the difference value between the system temperature of the dual-altitude LCI transmission cabinet in the dynamic operation process and the temperature control value of the normal operation condition of the dual-altitude LCI transmission cabinet;
and the air outlet temperature adjusting unit of the LCI cooling medium is used for adjusting the air outlet temperature of the LCI cooling medium according to the difference value between the system temperature of the dual-altitude LCI transmission cabinet in the dynamic operation process and the temperature control value of the normal operation condition of the dual-altitude LCI transmission cabinet.
Preferably, the temperature detector comprises a PSA power assembly temperature sensor and an LCI system temperature analog quantity signal receiving module, the PSA power assembly temperature sensor identifies the on-site LCI system temperature through on-site real-time scanning and acquisition, and the LCI system temperature analog quantity signal is transmitted to the LCI system temperature analog quantity signal receiving module through a shielded cable.
According to the control method and the system for the temperature regulation and control system of the dual-altitude LCI transmission cabinet, the air outlet temperature of the cooling medium of the dual-altitude LCI transmission cabinet can be correspondingly regulated according to the difference value between the system temperature of the dual-altitude LCI transmission cabinet in the current acquisition dynamic operation process and the temperature control value of the normal motion situation of the dual-altitude LCI transmission cabinet, so that the temperature regulation and control system of the dual-altitude LCI transmission cabinet can be rapidly, accurately, timely and simply controlled, the problem of operation bottleneck of key equipment of the dual-altitude LCI transmission cabinet caused by the existing defects and the existing problems is solved, and the long-period safe and stable operation of the LCI transmission cabinet is promoted.
Drawings
Fig. 1 is a schematic structural diagram of a control method of a temperature regulation and control system of a dual-high-line LCI transmission cabinet of the present invention.
Fig. 2 is a schematic structural diagram of a control system of the dual-high line LCI transmission cabinet temperature regulation system of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and fig. 2, the present invention provides a method and a system for controlling a temperature control system of a dual-high-line LCI transmission cabinet, including:
s1, acquiring a temperature control value of the normal operation condition of the dual-high-line LCI transmission cabinet;
s2, collecting the system temperature of the double-high-line LCI transmission cabinet in the dynamic operation process in real time;
step S3, comparing the system temperature of the double-altitude LCI transmission cabinet in the current collection dynamic operation process with the temperature control value of the normal operation condition of the double-altitude LCI transmission cabinet, calculating the difference value between the system temperature of the double-altitude LCI transmission cabinet in the dynamic operation process and the temperature control value of the normal operation condition of the double-altitude LCI transmission cabinet, adjusting the air outlet temperature of the double-altitude LCI cooling medium according to the difference value between the system temperature of the double-altitude LCI transmission cabinet in the dynamic operation process and the temperature control value of the normal operation condition of the double-altitude LCI transmission cabinet, specifically, the air outlet temperature of the double-altitude LCI cooling medium is the outlet actual temperature of the double-altitude LCI cooling medium after the set temperature of the double-altitude LCI cooling medium is subjected to closed-loop control, namely, the outlet actual temperature of the double-altitude LCI cooling medium is adjusted by adjusting the outlet actual temperature of the double-altitude LCI cooling medium after the closed-loop control, wherein:
if the system temperature of the dual-altitude LCI transmission cabinet in the dynamic operation process is currently acquired and compared with the temperature control value of the normal operation condition of the dual-altitude LCI transmission cabinet, and the difference between the system temperature of the dual-altitude LCI transmission cabinet in the dynamic operation process and the temperature control value of the normal operation condition of the dual-altitude LCI transmission cabinet is calculated to be larger than 0, the outlet air temperature of the dual-altitude LCI cooling medium is adjusted in a descending manner at 4-6 ℃ until the system temperature of the dual-altitude LCI transmission cabinet in the dynamic operation process is stable and meets the temperature control value of the normal operation condition of the dual-altitude LCI transmission cabinet, namely the difference between the system temperature of the dual-altitude LCI transmission cabinet in the dynamic operation process and the temperature control value of the normal operation condition of the dual-altitude LCI transmission cabinet is equal to 0.
If the system temperature of the dual-altitude LCI transmission cabinet in the dynamic operation process is acquired currently and compared with the temperature control value of the normal operation condition of the dual-altitude LCI transmission cabinet, and the difference between the system temperature of the dual-altitude LCI transmission cabinet in the dynamic operation process and the temperature control value of the normal operation condition of the dual-altitude LCI transmission cabinet is calculated to be less than 0, the outlet air temperature of the dual-altitude LCI cooling medium is incrementally adjusted according to 1-3 ℃ until the system temperature of the dual-altitude LCI transmission cabinet in the dynamic operation process is stable and meets the temperature control value of the normal operation condition of the dual-altitude LCI transmission cabinet, namely the difference between the system temperature of the dual-altitude LCI transmission cabinet in the dynamic operation process and the temperature control value of the normal operation condition of the dual-altitude LCI transmission cabinet is 0.
If the system temperature of the dual-altitude LCI transmission cabinet in the dynamic operation process is currently acquired and compared with the temperature control value of the normal operation condition of the dual-altitude LCI transmission cabinet, the difference value between the system temperature of the dual-altitude LCI transmission cabinet in the dynamic operation process and the temperature control value of the normal operation condition of the dual-altitude LCI transmission cabinet is calculated to be 0, the outlet air temperature of the dual-altitude LCI cooling medium is kept unchanged, the system temperature of the dual-altitude LCI transmission cabinet in the dynamic operation process is kept stable and meets the temperature control value of the normal operation condition of the dual-altitude LCI transmission cabinet, namely the difference value between the system temperature of the dual-altitude LCI transmission cabinet in the dynamic operation process and the temperature control value of the normal operation condition of the dual-altitude LCI transmission cabinet is kept to be 0, specifically, the outlet air temperature of the dual-altitude LCI cooling medium is set to be 1-3 or 4-6 according to the values of a and a, and the difference value of the system temperature of the dual-altitude LCI transmission cabinet in the dynamic operation process is set to be 0 The air outlet temperature of the cooling medium of the dual-altitude LCI is adjusted once by a, the adjusting mode greatly improves the adjusting precision of the air outlet temperature of the cooling medium of the dual-altitude LCI, and the temperature adjusting and controlling system of the dual-altitude LCI transmission cabinet can be controlled more accurately.
According to the scheme, the system temperature of the dual-altitude LCI transmission cabinet in the dynamic running process of the dual-altitude line is collected and compared with the temperature control value of the normal running condition of the dual-altitude LCI transmission cabinet, the difference value between the system temperature of the dual-altitude LCI transmission cabinet in the dynamic running process and the temperature control value of the normal running condition of the dual-altitude LCI transmission cabinet is calculated, and the air outlet temperature of the cooling medium of the dual-altitude LCI is adjusted according to the difference value, so that the temperature regulation and control system of the dual-altitude LCI transmission cabinet can be controlled quickly, accurately, in real time and simply, the problem of the operation bottleneck of key equipment of the dual-altitude line caused by the existing defects and the existing problems is solved, and the long-period safe and stable running of the LCI transmission cabinet is promoted.
In steps S1 and S2, the system temperature of the high-speed line LCI transmission cabinet during the dynamic operation of the high-speed line is acquired in real time at a certain time interval t each time, wherein the time interval t is 50 milliseconds, and the system temperature of the high-speed line LCI transmission cabinet during the dynamic operation of the high-speed line can be acquired in real time, and the system calculation amount can be reduced appropriately.
The main electric room control adjustment platform who connects including temperature detector and with temperature detector, main electric room control adjustment platform include temperature acquisition unit, temperature comparison unit and LCI cooling medium's air-out temperature regulation unit:
and the temperature detector is used for detecting the system temperature of the dual-altitude LCI transmission cabinet in the dynamic operation process of the dual-altitude.
The temperature acquisition unit is used for acquiring the system temperature of the double-altitude LCI transmission cabinet in the dynamic operation process of the double-altitude detected by the temperature detector;
the temperature comparison unit is used for comparing the system temperature of the dual-altitude LCI transmission cabinet in the current acquisition dynamic operation process with the temperature control value of the normal operation condition of the dual-altitude LCI transmission cabinet, and calculating the difference value between the system temperature of the dual-altitude LCI transmission cabinet in the dynamic operation process and the temperature control value of the normal operation condition of the dual-altitude LCI transmission cabinet;
and the air outlet temperature adjusting unit is used for calculating the difference value between the system temperature of the double-altitude LCI transmission cabinet and the temperature control value of the normal operation condition of the double-altitude LCI transmission cabinet in the dynamic operation process according to the comparison between the system temperature of the double-altitude LCI transmission cabinet in the current acquisition dynamic operation process and the temperature control value of the normal operation condition of the double-altitude LCI transmission cabinet, and adjusting the air outlet temperature of the double-altitude LCI cooling medium according to the difference value between the system temperature of the double-altitude LCI transmission cabinet in the dynamic operation process and the temperature control value of the normal operation condition of the double-altitude LCI transmission cabinet.
The temperature detector comprises a PSA power assembly temperature sensor and an LCI system temperature analog quantity signal receiving module, the PSA power assembly temperature sensor identifies the on-site LCI system temperature through on-site real-time scanning and acquisition, and the LCI system temperature analog quantity signal is transmitted to the LCI system temperature analog quantity signal receiving module through a shielded cable.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. A control method of a temperature regulation and control system of a dual-altitude LCI transmission cabinet is characterized by comprising the following steps:
s1, acquiring a temperature control value of the normal operation condition of the dual-high-line LCI transmission cabinet;
s2, collecting the system temperature of the double-high-line LCI transmission cabinet in the dynamic operation process in real time;
step S3, adjusting the air outlet temperature of the cooling medium of the dual-high-line LCI according to the difference value between the system temperature of the dual-high-line LCI transmission cabinet in the current acquisition dynamic operation process and the temperature control value of the normal motion condition of the dual-high-line LCI transmission cabinet;
when the difference is greater than 0, the air outlet temperature of the double-altitude LCI cooling medium is gradually decreased and adjusted according to 4-6 ℃ until the difference is 0;
when the difference is less than 0, incrementally adjusting the air outlet temperature of the double-altitude LCI cooling medium at 1-3 ℃ until the difference is 0;
when the difference is equal to 0, the outlet air temperature of the dual-high-line LCI cooling medium is kept unchanged.
2. The method for controlling the temperature control system of the dual-high-line LCI transmission cabinet as claimed in claim 1, wherein in the steps S1 and S2, the system temperature of the dual-high-line LCI transmission cabinet during the dynamic operation of the dual-high-line LCI transmission cabinet is collected in real time at a certain time interval t every time.
3. The method of claim 2, wherein the time interval t is 50 milliseconds.
4. A control system of a dual-high-line LCI transmission cabinet temperature regulation system, which applies the control method of the dual-high-line LCI transmission cabinet temperature regulation system of any one of the claims 1 to 3, and comprises a temperature detector and a main electric room control and adjustment platform connected with the temperature detector, wherein the main electric room control and adjustment platform comprises a temperature acquisition unit, a temperature comparison unit and an outlet air temperature regulation unit of an LCI cooling medium:
the temperature detector is used for detecting the system temperature of the dual-altitude LCI transmission cabinet in the dynamic operation process of the dual-altitude line;
the temperature acquisition unit is used for acquiring the system temperature of the dual-altitude LCI transmission cabinet in the dynamic operation process of the dual-altitude detected by the temperature detector;
the temperature comparison unit is used for comparing the system temperature of the dual-altitude LCI transmission cabinet in the current acquisition dynamic operation process with the temperature control value of the normal operation condition of the dual-altitude LCI transmission cabinet, and calculating the difference value between the system temperature of the dual-altitude LCI transmission cabinet in the dynamic operation process and the temperature control value of the normal operation condition of the dual-altitude LCI transmission cabinet;
and the air outlet temperature adjusting unit of the LCI cooling medium is used for adjusting the air outlet temperature of the LCI cooling medium according to the difference value between the system temperature of the dual-altitude LCI transmission cabinet in the dynamic operation process and the temperature control value of the normal operation condition of the dual-altitude LCI transmission cabinet.
5. The control system of the temperature control system of the dual-high-line LCI transmission cabinet according to claim 4, wherein the temperature detector comprises a PSA power assembly temperature sensor and an LCI system temperature analog quantity signal receiving module, the PSA power assembly temperature sensor identifies the on-site LCI system temperature through on-site real-time scanning and acquisition, and the LCI system temperature analog quantity signal is transmitted to the LCI system temperature analog quantity signal receiving module through a shielded cable.
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| CN202110768312.7A CN113568448A (en) | 2021-07-07 | 2021-07-07 | Control method and system of temperature regulation and control system of dual-altitude LCI transmission cabinet |
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| CN202110768312.7A CN113568448A (en) | 2021-07-07 | 2021-07-07 | Control method and system of temperature regulation and control system of dual-altitude LCI transmission cabinet |
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2021
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| CN205427654U (en) * | 2015-11-13 | 2016-08-03 | 重庆华万伦电器有限公司 | Electrical control cabinet based on sensor technology uses |
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Application publication date: 20211029 |