CN218798189U

CN218798189U - A PLC control box for controlling fan opens and stops

Info

Publication number: CN218798189U
Application number: CN202223153124.2U
Authority: CN
Inventors: 王智慧; 周浩; 李�荣; 陆华平; 黄楠; 满正桂; 李育岸; 胡建伟
Original assignee: Changshu Longteng Special Steel Co Ltd
Current assignee: Changshu Longteng Special Steel Co Ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-04-07
Anticipated expiration: 2032-11-25

Abstract

The embodiment of the application discloses a PLC control box for controlling fan opens and stops, including rolling mill equipment, PLC control box, the inboard cover at rolling mill equipment top is equipped with the panel material, and the outside cover of rolling mill equipment bottom is equipped with auxiliary stand, fan and loop scanner are installed respectively to the top of auxiliary stand both sides. The utility model provides a compound pipe fitting that this application set up, the negative pressure pump, humidity transducer, outer protection box and blast pipe and auxiliary stand, the loop scanner, the compound loop scanner that the fan formed, when the PLC control box was synthesized the equipment and is used, the negative pressure pump passes through near compound pipe fitting initiative absorption panel material air and carries out humidity with air transport to humidity transducer position and detect, in case moisture content in the air surpasss the default, the PLC control box opens the fan and carries out the air-drying operation afterwards, until after humidity transducer detects the air moisture is less than the default, the fan is closed again to the PLC control box, and whole in-process loop scanner real-time detection.

Description

A PLC control box for controlling fan opens and stops

Technical Field

The application relates to the technical field of PLC control boxes, in particular to a PLC control box for controlling a fan to start and stop.

Background

The loop rolling is a rolling method which adopts the technical measures of strengthening reduction, controlling cooling and the like to improve the comprehensive properties of the hot rolled steel such as strength, toughness and the like under the condition that the rolling temperature is slightly lower than the conventional rolling temperature, the performance of the loop rolled steel can reach or exceed the performance of the existing heat-treated steel, in order to fully master the processing effect of materials in the production process, a loop scanner is adopted to carry out real-time detection in the loop rolling process, the loop scanner scans a visual field through an optical mechanical system and does not need any optical adjustment, the loop scanner accurately measures the loop size of production lines of wires, bars and the like, can be used for loop control, centering control of hot strips or hot plates and provides position information in other wide applications, cooling water is adopted to reduce the temperature in the process of rolling the loop plate, and a large amount of fog is generated after the cooling water is heated and evaporated, which can cause interference to the detection of the loop scanner and is not beneficial to the use of the loop scanner.

In order to solve the problems, after research, scientific research personnel in related fields provide a targeted solution, a fan is additionally arranged behind a loop to blow water/mist, an applicant is tested in actual production and is feasible, but when the specification is changed and a rolling mill is changed for a long time, a person on duty needs to manually start and stop the fan on site, so that the person cannot start and stop the fan timely, long-time idle running is caused, electric energy is wasted, the loss rate of equipment is increased, and meanwhile, the problem that the follow-up timeliness of starting and stopping the fan is poor can occur, and the phenomenon that the scanner scans unstably and the loop jumps can be caused.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the present application provides a PLC control box for controlling start and stop of a fan, so as to improve the above problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a PLC control box for controlling fan opens and stops, includes rolling mill equipment, PLC control box, the inboard cover at rolling mill equipment top is equipped with the panel material, and the outside cover of rolling mill equipment bottom is equipped with the auxiliary stand, fan and loop scanner are installed respectively to the top of auxiliary stand both sides, the inside cover of auxiliary stand one side is equipped with outer protection box, and the inside of outer protection box sets up respectively to gas transmission space and detection space, gas transmission space, detection space's inside is equipped with negative pressure pump, humidity transducer respectively, and gas transmission space and detection space mutually independent nevertheless carry out the space through the pipe and link up, one side in gas transmission space is fixed has cup jointed compound pipe fitting, and the bottom of compound pipe fitting and the input through connection of negative pressure pump, and the top of compound pipe fitting extends to the top of panel material, one side in detection space is fixed has cup jointed the blast pipe, and the one end of blast pipe runs through the inner wall of auxiliary stand one side and extends to the outside of auxiliary stand bottom.

Optionally, the negative pressure pump, the humidity sensor, the fan and the loop scanner are all electrically connected with the PLC control box through a wire, the shell of the negative pressure pump is fixedly installed on the inner wall of one side of the outer protection box, and the shell of the humidity sensor is fixedly installed on the inner wall of the other side of the outer protection box.

Optionally, the inside of compound pipe fitting is provided with folding pipe, and folding pipe's both ends have last transition pipe and lower transition pipe through connection respectively, the one end of lower transition pipe extends to the inside of outer protection box, and the end of lower transition pipe one end and the input through connection of negative pressure pump.

Optionally, the bottom of going up the transition pipe is provided with lead screw elevating system, and lead screw elevating system's inside is provided with lead screw, nut and band-type brake servo motor, the one end of lead screw and band-type brake servo motor's volume output end fixed connection, and the other end and the nut meshing of lead screw are connected, the fixed surface of nut is connected with the linkage cover frame, the fixed surface that cup joints in last transition socle portion in one side at linkage cover frame top.

Optionally, the screw is perpendicular to the auxiliary support, and the end of the other end of the screw is fixedly connected with the limiting block.

Optionally, the loop scanner is in an inclined state, and the inclined direction of the loop scanner detection part is towards the top of the sheet material.

The application provides a PLC control box for controlling fan opens and stops possesses following beneficial effect:

1. the utility model provides a compound pipe fitting, the negative pressure pump, humidity transducer, outer protection box and blast pipe equipment back, form humidity detection mechanism, with auxiliary stand, the loop scanner, the compound loop scanner of fan formation, when the PLC control box is synthesized the equipment and is used, the negative pressure pump passes through near compound pipe fitting initiative absorption panel material air and carries out humidity detection with air transport to humidity transducer position, in case moisture content in the air surpasss the default, will mean that panel material has gasified partly water because of the contact cooling water cooling, lead to self surrounding environment to appear fog, PLC control box opens the fan afterwards and carries out the air drying operation, after the air moisture that humidity transducer detected is less than the default, the PLC control box closes the fan again, and the loop scanner real-time detection in the whole process, accurate and the error of data is little.

2. This application is for PLC control box automatic reciprocating opens the fan that stops among the above-mentioned compound loop scanner and provide the data support through the humidity detection mechanism of compound pipe fitting, negative pressure pump, humidity transducer, outer protection box and blast pipe equipment, avoids the fan to idle for a long time when further optimizing whole processing technology, practices thrift the electric energy, reduces whole processing technology's cost then.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 shows a schematic front view of the structure of the present application;

FIG. 2 shows a schematic left side view of the structure of the present application;

fig. 3 shows a schematic partial cross-sectional view of the structure of the present application.

In the figure: 1. rolling mill equipment; 2. a plate material; 3. a PLC control box; 4. an auxiliary support; 5. an outer protective box body; 6. a negative pressure pump; 7. a humidity sensor; 8. an exhaust pipe; 9. a composite pipe fitting; 10. a lead screw lifting mechanism; 11. a fan; 12. a loop scanner.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.

Please refer to fig. 1, fig. 2, fig. 3, a PLC control box for controlling the start and stop of a fan, comprising a rolling mill device 1, a PLC control box 3, a plate material 2 is sleeved on the inner side of the top of the rolling mill device 1, an auxiliary bracket 4 is sleeved on the outer side of the bottom of the rolling mill device 1, a fan 11 and a loop scanner 12 are respectively installed on the top of the two sides of the auxiliary bracket 4, the loop scanner 12 is in an inclined state, the inclined direction of the detecting component of the loop scanner 12 tends to the top of the plate material 2, an outer protection box 5 is sleeved on the inner side of the auxiliary bracket 4, the inner part of the outer protection box 5 is respectively set as a gas transmission space and a detecting space, a negative pressure pump 6 and a humidity sensor 7 are respectively sleeved on the inner parts of the gas transmission space and the detecting space, and the gas transmission space and the detecting space are independent from each other but are spatially communicated through a conduit, fixed cover in one side in gas transmission space has been connect compound pipe fitting 9, and the bottom of compound pipe fitting 9 and the input through connection of negative pressure pump 6, and the top of compound pipe fitting 9 extends to the top of panel material 2, one side in detection space is fixed to have cup jointed blast pipe 8, the inside of compound pipe fitting 9 is provided with the folded tube, and the both ends of folded tube have last transition pipe and lower transition pipe respectively through connection, the one end of lower transition pipe extends to the inside of outer protection box 5, and the end of lower transition pipe one end and the input through connection of negative pressure pump 6, compound pipe fitting 9 self is except providing transfer passage, can also highly stretch out and draw back, then satisfy different user demands, and the one end of blast pipe 8 runs through the outside that the inner wall of auxiliary stand 4 one side extends to auxiliary stand 4 bottoms.

During the use, negative pressure pump 6 initiatively absorbs near 2 air of panel material and carries out humidity detection to humidity transducer 7 position with the air through compound pipe fitting 9, in case moisture content in the air surpasss the default, will mean that panel material 2 has gasified some water because of the contact cooling water cooling, then lead to self surrounding environment fog to appear, PLC control box 3 opens fan 11 and carries out the air-drying operation afterwards, until after the air moisture that humidity transducer 7 detected is less than the default, PLC control box 3 closes fan 11 again, and whole in-process loop scanner 12 real-time detection, accurate and the error of data is little.

And as a further extension of the embodiment, the signal of the loop scanner 12 can be used as a data standard, the fan 11 keeps running from the operation start, when the off time of the scanning signal of the loop scanner 12 exceeds 2 minutes, the PLC control box 3 turns off the fan 11, and when the scanning signal of the loop scanner 12 is scanned within 2 minutes from the beginning, and the time is recorded again, the PLC control box 3 does not turn off the fan 11 until the time exceeds 2 minutes.

Please refer to fig. 1, fig. 2, fig. 3, the bottom of going up the transition pipe is provided with lead screw elevating system 10, and the inside of lead screw elevating system 10 is provided with the lead screw, nut and band-type brake servo motor, the one end of lead screw and band-type brake servo motor's volume output end fixed connection, and the other end and the nut meshing of lead screw are connected, the fixed surface of nut is connected with the linkage cover frame, the fixed surface that cup joints in last transition socle portion in one side at linkage cover frame top, lead screw perpendicular to auxiliary stand 4, and the end fixed connection stopper of the lead screw other end, it plans the stroke of lead screw to set up the stopper.

During the use, start the inside band-type brake servo motor of lead screw elevating system 10, pass through the lead screw meshing transmission nut by band-type brake servo motor, and then make the nut drive linkage cover frame, compound pipe fitting 9 top structure carry out automatically regulated, and then expand compound pipe fitting 9's operation scope, satisfy different user demands.

Referring to fig. 1, 2 and 3, the negative pressure pump 6, the humidity sensor 7, the fan 11 and the loop scanner 12 are electrically connected to the PLC control box 3 through wires, the housing of the negative pressure pump 6 is fixed to the inner wall of one side of the outer protection box 5, and the housing of the humidity sensor 7 is fixed to the inner wall of the other side of the outer protection box 5.

During the use, PLC control box 3 accepts the output signal of negative pressure pump 6, humidity transducer 7, fan 11, loop scanner 12 four and opens and stop any one part of negative pressure pump 6, humidity transducer 7, fan 11, loop scanner 12, then provides convenient condition for user's integration operation.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. The utility model provides a PLC control box for controlling fan opens and stops, includes rolling mill equipment (1), PLC control box (3), the inboard cover at rolling mill equipment (1) top is equipped with panel material (2), and the outside cover of rolling mill equipment (1) bottom is equipped with auxiliary stand (4), fan (11) and loop scanner (12), its characterized in that are installed respectively to the top of auxiliary stand (4) both sides: the inside cover of auxiliary stand (4) one side is equipped with outer protection box (5), and the inside of outer protection box (5) sets up respectively into gas transmission space and detection space, the inside cover in gas transmission space, detection space is equipped with negative pressure pump (6), humidity transducer (7) respectively, and gas transmission space and detection space mutual independence nevertheless carry out the space through the pipe and link up, one side in gas transmission space is fixed to have cup jointed compound pipe fitting (9), and the input through connection of the bottom of compound pipe fitting (9) and negative pressure pump (6), and the top of compound pipe fitting (9) extends to the top of panel material (2), one side fixed cover in detection space has cup jointed blast pipe (8), and the inner wall that the one end of blast pipe (8) runs through auxiliary stand (4) one side extends to the outside of auxiliary stand (4) bottom.

2. The PLC control box for controlling the start and stop of the fan according to claim 1, characterized in that: negative pressure pump (6), humidity transducer (7), fan (11), loop scanner (12) all pass through wire and PLC control box (3) electric connection, and the casing of negative pressure pump (6) is fixed with the inner wall installation of outer protection box (5) one side, the casing of humidity transducer (7) is fixed with the inner wall installation of outer protection box (5) opposite side.

3. The PLC control box for controlling the start and stop of the fan according to claim 1, characterized in that: the inside of compound pipe fitting (9) is provided with folding pipe, and the both ends of folding pipe have transition pipe and lower transition pipe respectively through connection, the one end of transition pipe extends to the inside of outer protection box (5) down, and the end of transition pipe one end and the input through connection of negative pressure pump (6) down.

4. The PLC control box for controlling the start and stop of the fan according to claim 3, characterized in that: go up the bottom of transition pipe and be provided with lead screw elevating system (10), and the inside of lead screw elevating system (10) is provided with lead screw, nut and band-type brake servo motor, the one end of lead screw and band-type brake servo motor's volume output end fixed connection, and the other end and the nut meshing of lead screw are connected, the fixed surface of nut is connected with linkage cover frame, the fixed surface that cup joints in last transition socle portion in one side at linkage cover frame top.

5. The PLC control box for controlling the start and stop of the fan according to claim 4, characterized in that: the lead screw is perpendicular to the auxiliary support (4), and the end of the other end of the lead screw is fixedly connected with the limiting block.

6. The PLC control box for controlling the start and stop of the fan according to claim 1, characterized in that: the loop scanner (12) is in an inclined state, and the inclined direction of the detection part of the loop scanner (12) is towards the top of the plate material (2).