CN113566503A - Conveying system with automatic control dryer and control method of dryer - Google Patents
Conveying system with automatic control dryer and control method of dryer Download PDFInfo
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- CN113566503A CN113566503A CN202110678563.6A CN202110678563A CN113566503A CN 113566503 A CN113566503 A CN 113566503A CN 202110678563 A CN202110678563 A CN 202110678563A CN 113566503 A CN113566503 A CN 113566503A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000001035 drying Methods 0.000 claims abstract description 171
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 230000002452 interceptive effect Effects 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims description 117
- 239000003570 air Substances 0.000 claims description 68
- 238000001514 detection method Methods 0.000 claims description 60
- 238000004519 manufacturing process Methods 0.000 claims description 39
- 230000000670 limiting effect Effects 0.000 claims description 34
- 238000007726 management method Methods 0.000 claims description 21
- 238000002347 injection Methods 0.000 claims description 19
- 239000007924 injection Substances 0.000 claims description 19
- 239000013072 incoming material Substances 0.000 claims description 15
- 238000012384 transportation and delivery Methods 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 9
- 238000004146 energy storage Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
- 239000012080 ambient air Substances 0.000 claims description 2
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 238000010792 warming Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000010981 drying operation Methods 0.000 description 10
- 230000008859 change Effects 0.000 description 7
- 238000005485 electric heating Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 239000007769 metal material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
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- 238000010586 diagram Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010409 ironing Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000013439 planning Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/003—Handling, e.g. loading or unloading arrangements for articles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/009—Alarm systems; Safety sytems, e.g. preventing fire and explosions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/04—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour circulating over or surrounding the materials or objects to be dried
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention belongs to the technical field of automatic control, in particular to a conveying system with an automatic control dryer and a control method of the dryer, which comprises a drying mechanism; the conveying system with the automatic control dryer also comprises an interactive display module, a signal receiving module and a PLC module for controlling the automatic operation of the dryer; the PLC module is electrically connected with the interactive display module and the signal receiving module; the signal receiving module is used for detecting real-time position data or temperature data in the conveying device and the drying device and transmitting the real-time position data or the temperature data into the PLC module, and the PLC module completes automatic control of the conveying mechanism and the drying mechanism according to the real-time data; the drying device has the advantages of increasing the working efficiency of the drying line and the safety during working, and greatly saving the labor cost and the site cost in the traditional drying process.
Description
Technical Field
The invention belongs to the technical field of automatic control, and particularly relates to a conveying system with an automatic control dryer and a control method of the dryer.
Background
The present case is a divisional application of patent No. CN 202010057537.7.
At present, in the daily production process of enterprises, due to manufacturing requirements or weather reasons, moisture is left on products, the enterprises need to dry the products, such as the clothes and home textile industries, and after the products finish the sewing link, the products need to be ironed, so that the products obtain the flat and beautiful effects; however, in the ironing process, condensed water sprayed by the iron can be attached to the product, so that the humidity of the product is not up to the standard, the product can mildew due to the fact that the humidity of the product is not up to the standard, the problems of color change, fastness reduction and the like of the product are caused, and the product can be seriously sold and turned into a waste product.
The traditional method for processing and dehumidifying is that products are conveyed to a designated area after being ironed, and water vapor on the products is removed through natural air drying or by utilizing a constant temperature and humidity air conditioner, although the method can process the problem that the humidity exceeds the standard in batches, the two dehumidifying methods have the defects that enterprises need to invest high cost and occupy large-area production fields.
The Chinese utility model (2018201482857) discloses a clothes dryer, which comprises a base, a telescopic supporting rod, a group of arc-shaped cover body supporting frames, an electric heating fan and a cover body, wherein the bottom of the base is provided with a group of supporting legs, the base is provided with a flow equalizing cover, the electric heating fan is arranged in the flow equalizing cover, the telescopic supporting rod close to the base is also respectively provided with a hook and a waterproof cover, the telescopic supporting rod close to one end of the arc-shaped cover body supporting frame is movably provided with a group of hanging racks, the side wall of the cover body is provided with a door, and the door is connected with the cover body through a zipper; the telescopic support rod is provided with a temperature sensor, the base is provided with a PLC (programmable logic controller), the temperature sensor is in communication connection with the PLC through an input module, and the PLC adjusts the air outlet temperature of the electric heating fan through an output module.
The utility model has the defects that in the actual use process, the clothes are manually put into the dryer before being dried, and are taken out after being dried; this kind of mode need consume too much manpower resources, can't satisfy the in-service use demand of production line, and the urgent need now can accomplish the stoving operation voluntarily to safe effectual drying system.
Disclosure of Invention
The invention aims to provide a conveying system with an automatic control dryer and a control method of the dryer, which have the advantages of simple structure, improved working efficiency and reduced production cost.
The purpose of the invention patent is realized as follows:
a conveying system with an automatic control dryer comprises a drying mechanism; the conveying system with the automatic control dryer also comprises an interactive display module, a signal detection module and a PLC module for controlling the automatic operation of the dryer;
the drying mechanism comprises a channel for conveying materials, and a heat conduction assembly for heating ambient air and an air injection assembly for injecting the heated air to the drying bin are arranged at two ends of the channel to form a U-shaped drying bin; the air injection assembly comprises a pipeline with a hole and an air control valve, the drying bin is communicated with the hole, the heated air is blown to the drying bin through the air sprayed from the hole of the pipeline so as to dry the materials in the drying bin, and the drying effect of the drying mechanism is changed by controlling the air control valve to change the size of the air injection amount or change the temperature of the heat conduction assembly; two ends of the drying bin are also provided with bin doors which can be automatically controlled to open or close;
a conveying chain is arranged at the upper end of the dryer main body, and materials are conveyed into the U-shaped drying bin through the conveying chain to be dried; the conveying chain is directly connected with a conveying system of an external production line; after the production of the materials of the external production line is finished, the materials are directly conveyed to a conveying chain by a conveying system for drying operation;
the PLC module is electrically connected with the interactive display module and the signal detection module; the signal detection module is used for detecting real-time material position data and dryer operation parameters in the conveying device and the drying device and transmitting the real-time material position data and the dryer operation parameters to the PLC module, and the PLC module completes automatic control of the conveying mechanism and the drying mechanism according to the real-time data;
the interactive display module comprises a display component and an interactive module, the interactive module is used for setting parameters according to specific operation requirements and transmitting the specific parameters into the PLC module, and the display component is used for monitoring the running state and the parameters of the control system in real time.
Furthermore, the interactive display module is a touch screen and comprises a main controller, a communication interface and a display screen, the communication interface is connected with the PLC module, the running condition of the PLC module is processed by the main controller and then a result is displayed on the display screen, and meanwhile the main controller can be controlled by the display screen to control the PLC module.
Further, the signal detection module for monitoring the real-time position of the material comprises
The material sensor is arranged at the opening of the drying bin and used for detecting the condition of incoming materials, the incoming materials are connected to the corresponding input port of the PLC module, when the materials are detected, the incoming materials act and provide signals for the PLC module in the form of switching value, and meanwhile, a first limiting device for limiting the materials is arranged at the position;
the in-place detection switch is arranged at a designated position in the drying bin, is used for detecting whether the material reaches the designated position within a set time, is connected to a corresponding input port of the PLC module, acts when the material reaches the designated position, provides a signal for the PLC module in the form of switching value, and is provided with a second limiting device for limiting the material;
the signal detection module of the dryer operation parameter comprises
The device comprises a bin entrance door closing sensor arranged at a drying bin entrance door closing limit and a bin entrance door opening sensor arranged at a drying bin entrance door opening limit; the bin entrance door closing sensor and the bin entrance door opening sensor are respectively connected to corresponding input ports of the PLC module, when the bin entrance door is completely opened, the bin entrance door opening sensor acts to provide signals for the PLC through the corresponding input ports in the form of switching value, and when the bin entrance door is completely closed, the bin entrance door closing sensor acts to provide signals for the PLC through the corresponding input ports in the form of switching value;
the delivery door closing sensor is arranged at the drying delivery door closing limit position, the delivery door opening sensor is arranged at the drying delivery door opening limit position, and the delivery door closing sensor is connected with the corresponding input port in the same way, provides signals for the PLC when the delivery door opening sensor acts and is used for sensing the opening state and the closing state of the delivery door;
the temperature sensor arranged in the heat conduction assembly directly transmits the temperature value of the temperature sensor to an internal register in the PLC module in an analog quantity mode to display the real-time temperature of the heat conduction assembly.
Furthermore, an air storage tank for storing and stabilizing air pressure is arranged in the air injection assembly, a protection system is further arranged in a control system of the drying device, the protection system comprises an energy storage inductor for monitoring air pressure in the air storage tank, the energy storage inductor is connected to a corresponding input port of the PLC module, when the air pressure does not meet the air injection requirement, the energy storage inductor acts to provide signals for the PLC through the corresponding input port in a switching value mode, the system is driven to stop and give an alarm through the signals, and the corresponding fault type is displayed on the interactive display module;
and the origin sensor of the servo motor of the monitoring air control valve is connected to a corresponding input port of the PLC module, when the drying mechanism does not jet air but the air control valve is not positioned at the origin, the sensor acts and provides signals for the PLC through the corresponding input port in the form of switching value, the system is driven to stop and give an alarm through the signals, and the corresponding fault type is displayed on the interactive display module.
Furthermore, the conveying system of the automatic control dryer is communicated with a production management system of an external production line, and the conveying system of the automatic control dryer is automatically controlled by the production management system of the external production line, and comprises a conveying chain, a drying mechanism and automatic control of a limiting cylinder; the conveying system of the automatic control dryer transmits the capacity data and the internal operation condition to the production management system in real time; meanwhile, the signal detection module also comprises a detection unit for detecting the material type, the detection unit is communicated with the production management system and is arranged at the drying bin; the material is provided with a code, when the incoming material is detected, the detection unit acquires code information on the material, then the production management system obtains a material type represented by the code, and the production management system conveys the material type into the PLC module.
A control method of a dryer includes the following steps
Step one, when a dryer is in an initial state, starting the dryer;
step two, manually setting a required drying mode on the interactive display module, and automatically setting the required drying mode according to the corresponding material after the detection unit detects the material type, wherein the required drying mode comprises drying time, temperature required for drying and preset temperature; the configured parameters are sent to corresponding addresses in the corresponding PLC modules by the corresponding modules;
preheating the heat conducting assembly until the temperature reaches the preset temperature set on the interactive display module, and entering the next step;
step four, the conveying chain starts to operate, and external materials are conveyed to the drying mechanism through the conveying chain; when the incoming material is detected, the bin door is opened; after the material types are sent into the designated positions of the drying bin by the conveying chain, the conveying chain stops operating when at least one group of clothes exists in the drying bin, and meanwhile, the bin door is closed;
operating the air injection assembly to dry the materials; after the set drying time, the air injection assembly stops, the bin door is opened, and the conveying chain conveys the materials out;
step six, when the conveying chain operates to send out the previous group of materials, the next group of clothes are driven to enter a designated position in the drying bin;
and returning to the step four.
Further, the drying mode in step 2 modifies the numerical values of the corresponding parameter addresses in the PLC module, including the drying time and the drying temperature, according to the thickness, material and humidity of the material to be dried.
Further, in the step 4, when the incoming material is detected, if no material is being dried in the drying bin, the first limit cylinder is opened, and the first limit cylinder returns to the limit state after a group of materials are sent into the drying bin; when the materials are not detected for a long time, the system stops and gives an alarm, and the corresponding fault type is displayed on the interactive display module; and when the materials are detected, the in-place detection switch does not detect the arrival of the materials for a long time, the system stops and gives an alarm, and the interactive display module displays the corresponding fault type.
Further, in the step 6, the distances between the groups of clothes are the same, and the distance from the entrance door to the designated position in the drying bin is the same as the distance from the exit door to the designated position in the drying bin; and 5, after a group of clothes are dried, counting the productivity for one time.
Further, when the detection unit automatically sets the drying mode according to the different current material types, the detection unit can automatically detect the next group of material types; if the type of the next material is the same as that of the current material, simultaneously sending the next material into a drying bin for drying, and if the type of the next material is different from that of the current material, not sending the next material and starting the drying step; the material is provided with a code, and the detection unit obtains the material type by detecting the code.
Compared with the prior art, the invention has the outstanding and beneficial technical effects that:
1. the invention provides a conveying system with an automatic control dryer and a control method of the drying system, which are characterized in that a conveying chain and a corresponding automatic control module are added, so that the full automation of a drying operation flow is realized, the working efficiency and the safety of the drying operation are improved, and the labor cost and the site cost in the traditional drying operation are greatly saved.
2. The invention carries out real-time monitoring on the operation state of the dryer and setting the operation parameters through the interactive display module, so that a user can clearly know the internal operation state of the dryer and react to the corresponding state, and the use is convenient.
3. The invention is automatically controlled by the PLC, and compared with other automatic control elements, the control stability and the safety of the invention are higher.
4. The invention is provided with a protection system which covers various situations occurring in the drying operation; in special conditions, the corresponding sensors receive signals, and the PLC controls the automatic stop and alarm, so that the safety in use is improved.
5. In the automatic conveying process of the materials, when the front group of materials are sent out of the dryer, the rear group of materials are simultaneously sent into the dryer, so that the time of a single flow is reduced, and the working efficiency is improved.
6. The invention is provided with a signal detection module to detect the operation condition and the operation flow of the dryer in real time and provide an input signal for the control module so as to complete automatic control.
7. The invention is provided with the detection unit for detecting the materials, and the detection unit automatically confirms the drying mode, thereby saving the time set manually and enabling various types of materials to be sorted and dried in one line.
8. The invention is provided with the detection unit for detecting the materials, and the adjacent and same materials are simultaneously sent into the drying mechanism for drying operation, thereby increasing the working efficiency and the productivity.
9. The invention is provided with a production management system for remote monitoring and automatic control, performs data interaction in the drying operation, and integrates the drying operation into an automatic production line, thereby improving the efficiency and increasing the productivity.
Drawings
FIG. 1 is a schematic view of a conveyor system having an automatically controlled dryer;
FIG. 2 is a power distribution diagram of the present invention;
FIG. 3 is an electrical schematic of the PLC input of the present invention;
FIG. 4 is an electrical schematic of the output of the PLC of the present invention;
FIG. 5 is an electrical schematic of the servo motor of the present invention;
fig. 6 is a schematic diagram of the operation of the second embodiment of the present invention.
Detailed Description
The invention is further described in the following examples:
the invention is not only limited to the drying of clothes, but also can be used in various drying occasions, such as the drying of food, the drying of organic matters and the like, and only needs to change the corresponding conveying mode and the drying temperature setting logic.
Example 1:
taking the clothing industry as an example, as shown in fig. 1, a conveying system with an automatic control dryer comprises a drying mechanism; the conveying system with the automatic control dryer further comprises an interactive display module, a signal detection module and a PLC module for controlling the automatic operation of the drying system.
The drying mechanism is provided with a conveying chain and a clothes rack arranged on the conveying chain and used for bearing clothes; the clothes in the workshop are completely produced, and are ironed by steam, the clothes can be conveyed to the drying mechanism by a hanging system in the workshop for drying, and a conveying chain of the clothes is connected with the hanging system in the workshop or is directly conveyed to the drying mechanism by manpower.
And (3) a drying mechanism: the drying device comprises a heat conduction assembly and an air injection assembly, and the drying device is integrally U-shaped to form the drying bin; wherein, an external energy source provides heat for the heat conduction assembly to carry out continuous heating, and the heat emitted by the heat conduction assembly is used for heating the air outside the heat conduction assembly; the air injection assembly is a plurality of pipelines provided with holes, an air storage tank for storing high-pressure air and an air control valve for controlling the air storage tank are arranged in the pipelines, when the air injection assembly works, the high-pressure air is injected out of the holes, and the air control valve is controlled by a servo motor to sequentially control the air injection flow; when the drying mechanism works, the air control valve is opened, the air is sprayed out through the holes, and the air passes through the heat conduction assembly to be heated and then is used for drying clothes; the user can change the drying effect of the drying mechanism by controlling the air control valve to change the flow rate of the jet or change the temperature of the heat conducting component; two ends of a U-shaped opening of the drying mechanism are also provided with bin doors which can be automatically opened and closed and are used for preventing gas leakage when drying is carried out, so that the internal temperature is reduced.
The heat conducting component is provided with various forms, and can be a heat conducting pipe heated by external steam or an electric heating plate heated by electricity to complete heat supply; wherein, the steam heating mode needs to be provided with a corresponding transmission pipeline and a pressure detection and control system; the electric heating plate needs to monitor real-time temperature data and current data in each electric heating plate, and is provided with corresponding overload protection and short-circuit protection circuits.
The signal detection module: the device comprises a material sensor arranged on a conveying chain, a bin entrance door opening sensor and a bin exit door closing sensor in a drying mechanism, an in-place detection switch, and a bin entrance door opening sensor and a bin exit door closing sensor; the material sensor is used at the inlet of the drying bin, and when clothes are conveyed to the front of the drying bin, the material sensor detects the clothes and provides signals for the PLC module in the form of switching value; the bin entrance door opening sensor and the bin exit door closing sensor are arranged on the bin exit door, when the bin exit door is opened, the bin entrance door opening sensor acts and provides signals for the PLC module in the form of switching value, when the bin exit door is completely closed, the bin entrance door closing sensor acts and provides signals for the PLC module in the form of switching value, and the bin exit door opening sensor and the bin exit door closing sensor operate in the same way; the in-place detection switch is arranged on the conveying chain at the drying bin, and when the clothes enter the drying bin and reach the position of the in-place detection switch, the in-place detection switch operates to provide signals for the PLC module in the form of switching value; wherein the sensor can work by adopting a photoelectric sensor; aiming at the signal detection module, a corresponding limit control mechanism is also arranged, and comprises a first limit device at the material sensor and a second limit device arranged at the in-place detection switch; the air cylinder is controlled by a PLC to limit the clothes.
The limiting device can be a limiting air cylinder, and when the limiting is needed, the air cylinder is controlled by the PLC module to extend out to abut against a carrier where the material is located so as to achieve the limiting effect; besides the limiting cylinder, the limiting can be finished in a limiting buckle or limiting abutting plate mode; the sensor can be a photoelectric detection switch or a travel switch.
Furthermore, a temperature sensor is arranged in a heat conduction assembly in the drying mechanism, is electrically connected with the PLC, and inputs a temperature value into the PLC module in real time in an analog quantity mode for detecting the temperature during preheating; if the temperature sensor detects that the temperature is too high, the PLC module pauses and gives an alarm to the equipment, corresponding fault types are displayed and recorded in the touch screen, and if the heat conduction assembly adopts an electric heating plate, corresponding overload protection and short-circuit protection circuits give an alarm.
A PLC module: the automatic clothes dryer is electrically connected with the conveying mechanism, the drying mechanism, the signal detection module and the control mechanism, and the PLC program is used for controlling the automatic clothes dryer to complete the control method; the device comprises a PLC controller, wherein the input end of the PLC controller is electrically connected with a signal detection module, and the output end of the PLC controller is electrically connected with a conveying mechanism and a drying mechanism.
The interactive display module: in the embodiment, the touch screen is adopted and comprises a main controller, a communication interface and a display screen, wherein the display screen is connected with the PLC module through the communication interface, the running condition of the PLC module is processed by the main controller and then the result is displayed on the display screen, and meanwhile, the display screen can control the main controller to control the PLC module; a user can set drying parameters in the touch screen according to the drying operation requirement; and, through this man-machine interface, can real-time supervision operation state of equipment in the operation process, such as stoving temperature condition, output record, alarm condition, etc. it is realized through the program of inside editor in the main control unit.
Furthermore, a protection system is also arranged in the control system of the automatic clothes drying line and comprises an energy storage inductor for detecting an air storage tank, an original point inductor for detecting an air control valve servo motor and an anti-pinch sensor for monitoring a drying bin door; the energy storage sensor detects pressure parameters in the gas spraying and storage tank in real time, when the pressure in the gas storage tank does not meet the use standard, the energy storage sensor transmits signals to the PLC module in a switching value mode, the PLC module pauses and gives an alarm to equipment, and meanwhile, a corresponding fault type is displayed and recorded in the touch screen; the original point sensor is used for detecting whether a servo motor for controlling the size of the opening of the air control valve is in an original point state in a non-running state, namely when the drying mechanism does not perform drying operation, the servo motor is in the original point state; when the device is not at the original point, the original point sensor can act and transmit a signal to the PLC module in the form of switching value, and the PLC module pauses and gives an alarm to the device; the anti-pinch sensor is connected to a corresponding input port of the PLC module, when the bin door is closed, if objects are detected at the inner part of the bin door, for example, when dried clothes are too long, clothes feet drop to the position of the bin door or a person puts hands in the middle of the bin door which is being closed, at the moment, the anti-pinch sensor acts to provide signals for the PLC through the corresponding input port in the form of switching value, the bin door is driven to be reopened through the signals, an alarm is given, and corresponding fault types are displayed on the interactive display module; the anti-pinch sensor can be a photoelectric sensor arranged above and below the bin door, so that objects at the whole bin door can be detected.
In some embodiments, the control mechanism is further provided with a plurality of groups of indicator lamps and buzzers which are connected to the output end of the PLC module and used for indicating the running state of the mechanism and prompting a user, and when the drying line runs normally, the indicator green lamp is turned on to indicate normal running; when the system has the fault, the red indicating lamp is turned on, and the buzzer operates to remind the user.
As shown in fig. 2 to 4, the present invention relates to A control method of an automatic clothes drying line, wherein in the present embodiment, A PLC controller is FX3U-32MT-ES-A, which has 16 sets of I/O, transistor output type, and its command operation speed is 0.065 μ S/basic command; the PLC has the advantage of high-speed processing, and is suitable for high-precision working occasions; in addition, in the embodiment, a Wirelon touch screen with the model number of MT8102IE is adopted as a human-computer interface, the human-computer interface is connected and communicated with the PLC through an RS232 serial port, and meanwhile, the PLC and equipment can be monitored simultaneously; besides the PLC and the touch screen, the PLC or the touch screen can be of Siemens type, ohm dragon type and other types.
The control method of the automatic clothes drying line comprises the following steps:
the method comprises the following steps: and starting the drying line when the drying line is in an initial state.
The initial position is that the bin inlet door and the bin outlet door are closed, an air control valve of the air injection assembly is closed, and the pressure of the air storage tank is normal; when the above-mentioned elements are not in initial state, said automatic control system can not be started, and the reset program is set in the control system, and the reset switch can be pressed to implement automatic reset of position.
Step two: setting a required drying mode on the interactive display module, wherein the required drying mode comprises drying time and temperature required by drying; and the configured parameters are sent to corresponding addresses in the corresponding PLC modules by the interactive display module.
In the drying mode, the drying mode is set according to the thickness of the clothes, the drying mode comprises an ultra-thick material, a medium material and a thin material, and the opening size and the drying time of the air control valve are adjusted according to different materials; the thickness and the like can be configured according to the material of the clothes or the humidity of the clothes; the configured parameters are directly written into the corresponding address of the PLC by the human-computer interface to carry out automatic control.
Step three: the heat conducting assembly is preheated until the temperature reaches the temperature set on the interactive display module, and then the next step can be carried out.
In the step, heat is given to the heat conducting assembly from the outside, and energy is stored until the set temperature is reached; because the heat conduction assembly is internally provided with the temperature sensor, the temperature data is written into the corresponding address of the PLC, and the comparison with the preset temperature is carried out; when the preset temperature is reached, the preheating step is automatically stopped and signals are sent to the indicator lamp and the buzzer, and then the next step can be carried out.
Step four: the conveying mechanism starts to operate, and clothes are conveyed to the drying mechanism from the production line; when the incoming material is detected, the bin door is opened; the conveying mechanism stops the operation after the clothes are conveyed into the designated position of the drying bin, and the bin door is closed.
Firstly, clothes are conveyed to the front of a drying device by an external conveying system, a material sensor and a first limiting cylinder which is abutted to the material sensor are arranged in front of the drying device, after the clothes are sensed to be fed, and when no clothes are dried in a drying bin, the first limiting cylinder and a bin inlet door of the drying device are opened, a conveying mechanism continuously operates and conveys a group of clothes into the drying bin in the drying mechanism, and a position detection switch and a second limiting cylinder exist at the position to sense the arrival of the materials; at this point the door is closed and ready for the next step. In some embodiments, the second limiting device is directly controlled by time, namely, the time is started after the first group of clothes is fed into the drying bin, the conveying chain is automatically stopped after the time is over, and the clothes are stopped in the designated position; if a plurality of groups of clothes are conveyed by the method, the same interval is needed to be set among the groups of clothes, so as to complete the simultaneous drying of the plurality of groups of clothes.
If the incoming material sensor does not detect the arrival of the material for a long time, for example, after the system is started, the incoming material sensor does not detect the material for a long time, for example, the capacity is insufficient or the conveying chain is blocked, so that the clothes are not delivered, the system is automatically stopped under the control of an internal program and gives an alarm, and meanwhile, a corresponding fault is displayed on the interactive display module, wherein the time can be one minute or five minutes and is set by a user; when the supplied materials inductor detects the materials, the conveying chain sends the materials into the drying bin, at the moment, if the materials cannot reach the designated position of the drying bin due to the fact that the conveying chain is clamped and the like, namely, when the in-place detection switch does not detect the arrival of the materials for a long time, the system stops, the corresponding alarm module acts, and meanwhile, the corresponding fault type is displayed on the touch screen.
Step five: the air injection assembly operates to dry clothes; after the set time is reached, the air injection assembly stops, the bin door is opened, and the conveying chain sends out the clothes.
In the step, according to a drying mode set in a human-computer interface in advance, a PLC drives and controls a motor of an air control valve to adjust the opening size and the drying time of the air control valve, after the set working time, the air control valve automatically stops, a bin door is opened, clothes are sent out of a drying bin by a conveying chain, the drying of a group of clothes is completed, and the capacity is recorded.
As shown in fig. 5, in the present embodiment, the air control valve is controlled by a servo motor, including a pulse input point and a direction input point; the pulse input point controls the opening size of the air control valve, and the direction input point controls the turning direction of the air control valve, namely, the pulse air control valve moves one end distance to the appointed turning direction when one pulse air control valve is input; the size of the valve port is controlled by controlling the pulse number to obtain different drying effects; wherein the input point is automatically controlled by a PLC module.
Step six: when the conveying chain is operated to send out the previous group of clothes, the next group of clothes is driven to enter the drying device.
The clothes on the conveying chain are arranged at the same interval in an ideal state, when one group of clothes enters a designated position in the drying bin, the adjacent group of clothes is fed into the bin door, and when the clothes are fed out of the drying bin after drying is finished, the adjacent group of clothes is fed into the designated position in the drying bin by the conveying chain; in order to ensure the feasibility of the scheme, the first limiting cylinder is used for limiting the clothes at the entrance door, and after the conveying mechanism conveys one group of clothes into the drying mechanism, the first limiting cylinder returns to a limiting state until the next group of processes, so as to limit the clothes; the second limiting cylinder is used for limiting the position in the drying bin, so that the drying is limited, and the phenomenon that multiple groups of clothes appear in the drying bin in one flow is prevented.
Step seven: and returning to the step four, and performing automatic control of circulation until a stop button is pressed or the stop is performed under other conditions.
Compared with the existing treatment mode for clothes, the control mode of the automatic clothes drying line greatly reduces the time and the field required by drying the clothes, and the automatic clothes drying line combines a clothes transmission system and a drying mechanism and completes automatic control through a PLC (programmable logic controller), so that the stability and the efficiency are higher than those of the traditional clothes drying treatment mode.
Example two:
in the embodiment, on the original basis, a detection unit for detecting the type of clothes is arranged at the incoming material sensor; in the embodiment, a drying mode does not need to be set in advance, when the detection unit detects the type of the clothes, the current type of the clothes is input into the PLC module, and the PLC module automatically adjusts parameters of the drying mode in real time according to the type of the corresponding clothes; after the last group of clothes is detected, the first limiting device is opened to send the clothes into the drying bin, the next group of clothes is detected at the same time, if the next group of clothes is the same as the last group of clothes, the first limiting device is opened to send the next group of clothes into the drying bin and dry the next group of clothes at the same time, and the clothes at the feeding position are detected again in the same way until the types of the front and rear clothes are different or the upper limit of the simultaneous drying quantity is reached; in this embodiment, three groups of clothes can be put in at most simultaneously, and the number can be adjusted according to the size of the drying bin or the capacity requirement.
The mode has the advantages that the clothes are not required to be dried in batches according to the types of the clothes, the drying of various types of clothes on one line is met, and the drying mode is automatically adjusted; in addition, the same and adjacent clothes are dried simultaneously, and the drying efficiency is improved to meet the capacity requirement.
The detection unit can be a sensor group consisting of a plurality of sensors of different types, and clothes hangers made of different types of materials are adopted for different clothes; for example, the sensor group can be an inductive sensor and a plurality of photoelectric sensors with different sensitivities, when the clothes hanger made of metal materials is fed, the inductive sensor detects and sends out signals, and the clothes type of the clothes hanger made of metal materials can be determined; when the clothes hanger made of the non-metal material is fed, the type of the clothes hanger is determined according to the depth of the color of the clothes hanger and the judgment of a plurality of photoelectric sensors with different sensitivities, and meanwhile, the type of clothes represented by the clothes hanger is determined; in this way, the laundry is determined.
Alternatively, the detection unit may be directly controlled by a production management system in the production line; as shown in fig. 6, in the production line, there exists an MES system for controlling production, which is a set of production informatization management system facing to the execution layer of the manufacturing enterprise workshop, and can provide the enterprise with information including manufacturing data management, planning and scheduling management, production scheduling management, inventory management, quality management, human resource management, work center/equipment management, etc.; in the specific production process, each clothes hanger has a number, and after the detection module detects the corresponding number, the MES system automatically acquires the clothes hanger and the information of clothes carried by the clothes hanger through the corresponding number; at the moment, the conveying chain is connected with a conveying system in the production line, an MES system in the conveying system directly controls the conveying chain to run, and a detection module and a limiting cylinder on the conveying chain are controlled by the MES system; at the moment, after the materials are conveyed into the drying bin by the MES system through the conveying chain, the MES system sends a signal to the PLC module, and the PLC module controls the operation of the dryer; in addition, in this case, the dryer can transmit the drying capacity and the internal operation condition to the MES system, for example, the dryer operates several times, how much laundry is dried, and the like, and the MES system can remotely control, automatically monitor, and the like the dryer.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. A conveyor system with an automatically controlled dryer, comprising:
the drying mechanism is used for drying the materials;
the interactive display module is used for displaying the running state and the parameter setting of the conveying system;
the signal detection module is used for monitoring the running state of the conveying system in real time;
the PLC module is used for controlling the automatic operation of the dryer; the PLC module is electrically connected with the interactive display module and the signal detection module; and
the conveying chain is connected with the external material production line and used for driving materials in the external material production line to pass through the drying mechanism;
wherein, stoving mechanism includes:
the channel is used for allowing materials to pass through;
a heat conducting assembly for warming ambient air;
the air injection assembly is used for injecting the heated air to the channel; and
the bin inlet door and the bin outlet door are respectively positioned at the inlet and the outlet of the channel;
the signal detection module includes:
the first signal detection module is used for detecting real-time material position data in the conveying chain and the drying mechanism;
the first signal detection module at least comprises a material sensor arranged at the inlet of the channel and used for detecting the condition of incoming materials;
the second signal detection module is used for detecting the operation states of the bin entrance door and the bin exit door; and
and the temperature sensor is arranged in the heat conduction assembly.
2. The conveyor system with automatically controlled dryer of claim 1, wherein: the interactive display module is a touch screen, the touch screen comprises a main controller, a communication interface and a display screen, the communication interface is connected with the PLC module, the running condition of the PLC module is processed by the main controller and then shows a result on the display screen, and meanwhile, the main controller is controlled by the display screen to control the PLC module.
3. The conveyor system with automatically controlled dryer of claim 1, wherein:
the material sensor is connected to a corresponding input port of the PLC module, when the material is detected, the material sensor acts and provides a signal for the PLC module in the form of switching value, and meanwhile, a first limiting device for limiting the material is arranged at the material sensor;
the first detection signal detection module also comprises an in-place detection switch arranged at a specified position in the channel and used for detecting whether the material reaches the specified position at a specified time;
the in-place detection switch is connected to a corresponding input port of the PLC module, when the materials reach a designated position, the in-place detection switch acts and provides signals for the PLC module in the form of switching value, and meanwhile, a second limiting device for limiting the materials is arranged at the in-place detection switch;
the second signal detection module at least comprises a bin entrance door closing sensor arranged at the bin entrance door closing limit and a bin entrance door opening sensor arranged at the bin entrance door opening limit; the delivery door closing sensor is arranged at the delivery door closing limit and the delivery door opening sensor is arranged at the delivery door opening limit;
the warehouse entry door closing sensor and the warehouse entry door opening sensor are respectively connected to corresponding input ports of the PLC module, when the warehouse entry door is completely opened, the warehouse entry door opening sensor acts to provide signals for the PLC module through the corresponding input ports in the form of switching value, when the warehouse entry door is completely closed, the warehouse entry door closing sensor acts to provide signals for the PLC module through the corresponding input ports in the form of switching value;
the delivery door closing sensor and the delivery door opening sensor are connected with the corresponding input ports in the same way, provide signals for the PLC module when the input ports act, and are used for sensing the closing state and the opening state of the delivery door;
the temperature sensor is used for directly transmitting the temperature value of the temperature sensor to an internal register in the PLC module in an analog quantity mode to display the real-time temperature of the heat conducting assembly, and the temperature is prevented from being too high or too low.
4. The conveyor system with automatically controlled dryer of claim 3, wherein: the conveying system of the automatic control dryer is communicated with a production management system of an external production line, and the conveying system of the automatic control dryer is automatically controlled by the production management system of the external production line, and comprises a conveying chain, a drying mechanism, a first limiting device and automatic control of a second limiting device; the conveying system of the automatic control dryer transmits the capacity data and the internal operation condition to the production management system in real time;
the signal detection module also comprises a detection unit for detecting the type of the material, the detection unit is communicated with the production management system and is arranged at the position of the inlet; the material is provided with a code, when the incoming material is detected, the detection unit acquires code information on the material, then the production management system obtains a material type represented by the code, and the production management system conveys the material type into the PLC module.
5. The conveyor system with automatically controlled dryer of claim 1, wherein: the air injection assembly comprises an air storage tank for storing and stabilizing air, the drying mechanism is also provided with a protection system, and the protection system comprises
The energy storage sensor monitors the air pressure in the air storage tank, is connected to a corresponding input port of the PLC module, and when the air pressure does not meet the air injection requirement, the energy storage sensor acts to provide signals for the PLC module through the corresponding input port in a switching value mode, and the system is driven to stop and give an alarm through the signals, and corresponding fault types are displayed on the interactive display module;
the anti-pinch sensor of the monitoring drying bin door is connected with the corresponding input port of the PLC module, when the bin entrance door or the bin exit door is closed, if the object is detected at the position inside the bin entrance door or the bin exit door, the anti-pinch sensor acts to provide a signal for the PLC module through the corresponding input port in the form of switching value, the bin entrance door or the bin exit door is driven to be re-opened and alarm through the signal, and corresponding fault types are displayed on the interactive display module.
6. A control method of a dryer applied to the conveying system with an automatic control dryer of any one of claims 1 to 5, characterized in that: comprises the following steps
(1) When the drying mechanism is in an initial state, starting the drying mechanism;
(2) manually setting a required drying mode on the interactive display module, or automatically setting required drying parameters according to the corresponding material type after the material type is detected by the detection unit, wherein the drying parameters comprise drying time, temperature required by drying and preset temperature; the configured drying parameters are sent to corresponding addresses in the corresponding PLC modules by the corresponding modules;
(3) preheating the heat conducting assembly until the temperature reaches the preset temperature set on the interactive display module, and entering the next step;
(4) the conveying chain starts to operate, and external materials are conveyed to the drying mechanism by the conveying chain; when the incoming material is detected, the bin entrance door is opened; after the conveying chain conveys the materials into a designated position in the channel, if at least one group of materials exist in the drying bin, the conveying chain stops operating, and meanwhile, the bin inlet door is closed;
(5) the air injection assembly operates to dry the materials; after the set drying time, the air injection assembly stops, the delivery door is opened, and the material is delivered out by the conveying chain;
(6) when the conveying chain operates to send out the previous group of materials, the next group of materials are driven to enter a designated position in the drying bin;
(7) and returning to the step 4.
7. The control method of a dryer according to claim 6, wherein: and (3) setting the drying parameter value in the step (2) according to the thickness, the material and the humidity of the material to be dried.
8. The control method of a dryer according to claim 6, wherein: in the step (4), when the incoming material is detected, if no material is being dried in the drying bin, the first limiting device is opened, and then a group of materials are sent into the drying bin and then return to the limiting state; when the materials are not detected for a long time, the system stops and gives an alarm, and the corresponding fault type is displayed on the interactive display module; when the incoming materials are detected, the in-place detection switch does not detect the arrival of the materials for a long time, the system stops and gives an alarm, and the corresponding fault types are displayed on the interactive display module.
9. The control method of a dryer according to claim 6, wherein: the distances among the groups of materials in the step (6) are the same, and the distance from the entrance door to the designated position in the drying bin is the same as the distance from the exit door to the designated position in the drying bin; and (5) after the group of materials are dried, carrying out primary capacity statistics.
10. The control method of a dryer according to claim 6, wherein: when the detection unit automatically sets the drying parameters according to different current material types, the detection unit can automatically detect the next group of material types; if the type of the next group of materials is the same as that of the current materials, the next group of materials are simultaneously sent into a drying bin for drying, and if the type of the next group of materials is different from that of the current materials, the next group of materials are not sent into the drying bin and the drying step is started.
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| WO2023231376A1 (en) * | 2022-06-01 | 2023-12-07 | 浙江衣拿智能科技股份有限公司 | Control method and apparatus for drying and carrying system, and electronic device |
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| CN114812154A (en) * | 2022-03-29 | 2022-07-29 | 汇钻实业（深圳）有限公司 | Workpiece drying control method, workpiece drying equipment and readable storage medium |
| CN114998877A (en) * | 2022-06-01 | 2022-09-02 | 浙江衣拿智能科技股份有限公司 | Control method and device of drying and carrying system and electronic equipment |
| CN115328012A (en) * | 2022-07-28 | 2022-11-11 | 中国第一汽车股份有限公司 | Control system, control method and equipment for coating drying furnace and storage medium |
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| CN113566503B (en) | 2023-03-28 |
| CN111219957B (en) | 2021-07-02 |
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