CN111889448A - Self-adaptive uniform constant temperature control method for elongated piece cleaning production line - Google Patents
Self-adaptive uniform constant temperature control method for elongated piece cleaning production line Download PDFInfo
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- CN111889448A CN111889448A CN202010796578.8A CN202010796578A CN111889448A CN 111889448 A CN111889448 A CN 111889448A CN 202010796578 A CN202010796578 A CN 202010796578A CN 111889448 A CN111889448 A CN 111889448A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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Abstract
The invention discloses an adaptive uniform constant temperature control method for an elongated workpiece cleaning production line, belongs to the technical field of electronic control, and aims to solve the problems of time and labor waste, low efficiency, more controllers, complicated control modes and the like in the temperature control of the traditional cleaning production line. The control method comprises the step of carrying out corresponding temperature rise and equalization control, heat preservation and equalization control, and temperature reduction and equalization control on cleaning liquid in a groove of a cleaning section and/or a rinsing section by a controller according to the flow of the production line for cleaning elongated workpieces. The control method regulates and controls the temperature and the capacity of the cleaning liquid of the plurality of tank bodies through a set of controller, and can simultaneously complete the coordination control of the cleaning of a plurality of stations.
Description
Technical Field
The invention belongs to the technical field of electronic control, and provides a self-adaptive uniform constant temperature control method for an elongated workpiece cleaning production line.
Background
The temperature control of traditional cleaning production line generally adopts branch system control, and every heating tank becomes a system by oneself, realizes the temperature control of this cell body through manual operation, keeps warm to the cell body that accords with the temperature requirement and handles. The manual operation method is time-consuming, labor-consuming, low in efficiency, multiple in controllers, distributed sporadically, complex in control mode, large in temperature error of control and large in randomness, and certain simple heating and heat preservation measures cannot meet the production line with strict requirements on the elongated heating tank.
Disclosure of Invention
In view of the above, the present invention aims to provide an adaptive uniform constant temperature control method for an elongated workpiece cleaning production line, which solves the problems of time and labor waste, low efficiency, multiple controllers, complicated control method, and the like in the temperature control of the conventional cleaning production line.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a self-adaptive uniform constant temperature control method for an elongated piece cleaning production line, which comprises the steps of carrying out corresponding temperature rise and uniform temperature control, temperature preservation and uniform temperature control, temperature reduction and uniform temperature control on cleaning liquid in a groove of a cleaning section and/or a rinsing section by a controller according to the flow of the elongated piece cleaning production line.
Preferably, the temperature rise and temperature equalization control is as follows: obtaining a set temperature T to be heated in a cleaning section or rinsingHAnd the actual temperature T of the corresponding temperature sensor in the current operation state0And determining the actual temperature T0Whether or not equal to the set temperature TH(ii) a If T0<THIncreasing the temperature regulation amplitude value delta T of the heater until T0+ΔT＝THAnd delta T is a temperature change value generated by pressing a key once and adjusting the set temperature by the adjustable heating power input of the controller to the heater.
Preferably, the heat preservation and temperature equalization control comprises the following steps: obtaining the set temperature T to be kept warm in the cleaning section or rinsingBAnd the actual temperature T of the corresponding temperature sensor in the current operation state1And determining the actual temperature T1Whether or not equal to the set temperature TB(ii) a If T1>TBAnd T isB≤THDecreasing the temperature regulation amplitude value Delta T of the heater until T1-ΔT＝TB(ii) a If T1<TBIncreasing the temperature regulation amplitude value delta T of the heater until T1+ΔT＝TB。
Preferably, the temperature reduction and temperature equalization control is as follows: obtaining a set temperature T to be cooled in a cleaning section or rinsingLAnd the actual temperature T of the corresponding temperature sensor in the current operation state2And determining the actual temperature T2Whether or not equal to the set temperature TL(ii) a If T2>TLAnd T isL≤TBDecreasing the temperature regulation amplitude value Delta T of the heater until T2-ΔT＝TL(ii) a If T2<TLIncreasing the temperature regulation amplitude value delta T of the heater until T2-ΔT＝TL。
Preferably, the temperature regulation amplitude value delta T of the heater ranges from 60 degrees to 90 degrees.
Preferably, the heater further comprises a fixed heating power, and the predetermined temperature T of the fixed heating powerGAnd T isG≤TL。
Preferably, the input proportion and time of the fixed heating power and the adjustable heating power of the heater are set on the human-computer interface of the controller, so that the control requirements of the cleaning liquid in the cleaning section or the rinsing section on the processes of temperature rise and equalization, heat preservation and equalization, temperature reduction and equalization are met.
Preferably, the controller is used for performing liquid supplementing control on cleaning liquid in the cleaning section and/or the rinsing section in each stage of temperature rising and equalizing control, heat preservation and equalizing control, and temperature reduction and equalizing control, wherein the liquid supplementing control obtains the actual liquid level value of the liquid level sensor corresponding to the cleaning section or the rinsing section in the current running state according to the controller.
The present case regulates and control a plurality of cell body cleaning solution temperature and capacity through a set of controller, can accomplish the abluent coordinated control of a plurality of stations simultaneously. It should be noted that the control of the temperature rise, heat preservation and temperature reduction processes of a single tank body is a core point related to the cleaning effect of the elongated heating tank and the service life of the equipment; the input condition of the heating power of the whole line and the guarantee of the solution capacity of the tank body are the key points of the normal operation of the cleaning production line. In order to ensure that the heating response speed, the continuous constant temperature and the temperature uniformity of the cleaning liquid of the plurality of tank bodies after the workpieces are placed meet the process requirements, the input flow of single tank body heating and the external circulation speed of the cleaning liquid are reasonable, the balance input of the plurality of tank body heating and the reasonable configuration of heating input distribution are key points of stable and effective operation of a cleaning production line, the temperature of the cleaning liquid of the tank bodies can be ensured to be constant, and the cleaning action can be ensured to be completed in sequence.
The invention has the beneficial effects that:
1. the control method is characterized in that the heaters are arranged externally and arranged in groups, the cleaning liquid in the tank body reaches the process temperature of 60-90 ℃ through heat exchange of the external circulation of the cleaning liquid tank, and the filling of the cleaning liquid is controlled through water supplement, so that the volume of the cleaning liquid in the tank body is kept stable, and the optimal cleaning effect is achieved.
2. According to the control method, the temperature and the capacity of the cleaning liquid of the plurality of the tank bodies are regulated and controlled through one set of controller, the coordinated control of cleaning of a plurality of stations can be completed simultaneously, and the problems that time and labor are wasted, the efficiency is low, the number of controllers is large, the control mode is complicated and the like in the temperature control of the traditional cleaning production line can be solved, so that the product quality and the stability are greatly improved.
3. According to the control method, the fixed heating power and the adjustable heating power of the heater are controlled, and the user can accurately adjust the adjustable temperature value of the heating mode by pressing the key, so that the user can more easily and accurately adjust the heater equipment to operate at the required temperature, the use experience of the user is improved, and the heat exchange effect of the heater equipment is more favorably optimized.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
fig. 1 is a process sequence diagram of an elongated member cleaning line according to the present invention.
Fig. 2 is a schematic diagram of a control method of the present invention.
Fig. 3 is a schematic diagram of a power supply system of the control method of the present invention.
Fig. 4 is a temperature control process graph of the control method of the present invention.
FIG. 5 is a flow chart of a control method of the present invention.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
As shown in figure 1, the cleaning production line aims at combined workpieces which are long and thin, compact in installation, large in cleaning area and narrow in cleaning part, and the workpieces are used as final processing procedures, and the deformation of the workpieces caused by temperature difference change in the cleaning process is avoided. The long and thin work piece is through wasing, the rinsing, it weathers, the washing production facility combination processing of inspection process, clear water and cleaner mix into the washing liquid, place at the washing tank, in the rinsing groove, the heater is external, the group sets up, through washing cistern extrinsic cycle, heat the temperature in the groove to process temperature, lay and wait to wash the work piece in the washing tank, the rinsing groove, through the circulation of inslot and outer pipeline washing liquid of groove, carry the washing liquid to heating device, make the washing liquid in the groove reach 60 ~ 90 degrees process temperature through the heat exchange, add the washing liquid through water charging system, with the washing liquid volume that guarantees in the groove body remains stable, in order to reach best cleaning performance.
As shown in fig. 2, the method for controlling the temperature of the cleaning solution in the tank of the cleaning section and/or the rinsing section according to the flow of the cleaning line for elongated articles comprises performing corresponding temperature rise and equalization control, temperature preservation and equalization control, and temperature reduction and equalization control on the cleaning solution in the tank of the cleaning section and/or the rinsing section by a controller. Wherein, the cleaning section is provided with one section, and the rinsing section is provided with two sections. In order to ensure the smooth daily heating work of the single or multiple tanks, firstly, the power supply system of the heater comprises working voltage and current enhanced distribution and monitoring. The scheme is designed aiming at different requirements of the temperature of the heater, a flexible control heating power supply distribution is planned, namely, a control strategy for customizing temperature control on each tank body is realized, the requirements of tank liquid on the processes of temperature rise, heat preservation and temperature reduction are met after the set time is reached by setting the fixed heating power input and the adjustable heating power input on a human-computer interface and setting the input time, and the control strategy that the tank liquid changes along with the change of conditions can also be met.
As shown in fig. 3, the fixed heating power input and the adjustable heating power control of the cleaning production line are realized, that is, the heating processes of a plurality of tank bodies are planned by a controller according to the process requirements, the formula management is well carried out, and according to the feedback temperature and the heating current situation of the tank bodies, the heating power input and the heating input distribution are controlled by an output instruction, so that the balanced regulation and control are realized. As shown in fig. 4, the human-machine interface of the controller cooperates with the control, temperature rise, heat preservation and temperature reduction control curves, i.e., the selection of the processing workpiece is performed on the human-machine interface, and the control parameter table established by the system is displayed. The temperature rise and preservation curves of each tank body and the temperature drop curve of the final cleaning tank liquid are prefabricated. According to the prefabricated temperature control curve, the system prefabricates power input to the heating controller according to the curve according to the temperature measurement value of the temperature sensor of the tank body, and performs adjustment of the heating mode and the power input according to the prefabricate time, and finally the temperature of the tank liquid reaches a preset value. Placing the elongated pieces into the tank body for cleaning or rinsing, and if the temperature of the tank body enters a certain temperature section in the temperature rising process, heating and controlling the temperature according to the curve so as to ensure the constant temperature of the tank body. It should be noted that the cleaning production line has a plurality of tank bodies to clean the workpiece at the same time, and in this process, the heating power of the cleaning tank, the first rinsing tank and the second rinsing tank needs to be adjusted to satisfy that the total heating power of the whole line is within a certain power range. As shown in fig. 5, the control method provided by the present disclosure adopts a set of controllers, the upper level is provided with a human-computer interface of a monitoring unit, and the lower level is provided with a modularized control, so as to implement sub-process control and modularized control strategies for different tanks. The temperature requirements of the working procedures are different, and a control mode of dividing working procedures and distributing input power is adopted in the temperature rise stage; the temperature of the tank body is required to be high in precision and good in uniformity, and a multi-section and micro-control mode is added to carry out micro-correction control on the temperature so as to meet the requirement of the temperature. The man-machine interface of the controller comprises an input module and a display module, can be connected with a comparator in the controller and can control the heater to work according to a comparison signal output by the comparator, and the comparator is connected with an A/D converter in the controller and compares a temperature digital signal of the A/D converter with an internal preset value to output a comparison signal; the A/D converter is connected with the temperature sensor and the liquid level sensor corresponding to the cleaning section or the rinsing section and is used for converting the temperature analog signal monitored by the temperature sensor or the liquid level analog signal monitored by the liquid level sensor into a digital signal.
When the device works, corresponding cleaning liquid is injected into the cleaning section and the rinsing section, a heater, a temperature sensor, a liquid level sensor and the like are arranged, and in the temperature rising and temperature equalizing control stage, namely the preparation stage, the set temperature T for rising the temperature of the cleaning section or the rinsing section is obtained through the human-computer interface of the controllerHAnd the actual temperature T of the corresponding temperature sensor in the current operation state0And determining the actual temperature T0Whether or not equal to the set temperature TH(ii) a If T0<THIncreasing the temperature regulation amplitude value delta T of the heater until T0+ΔT＝THAnd delta T is a temperature change value generated by the adjustable heating power input of the controller to the heater to adjust the set temperature by pressing a key once; meanwhile, the fixed heating power of the heater is set on the human-computer interface of the controllerThe input proportion and time of the heating power can be adjusted, such as the set values of P1 and P2 shown in FIG. 4. The temperature of the cleaning liquid in the section to be cleaned and the rinsing section reaches THAfter temperature equalization, entering a heat preservation and temperature equalization control stage to wait for arranging and cleaning workpieces, and obtaining the set temperature T to be preserved in the cleaning section or rinsing through a human-computer interface of the controller in the processBAnd the actual temperature T of the corresponding temperature sensor in the current operation state1And determining the actual temperature T1Whether or not equal to the set temperature TBAnd T isB≤TH(ii) a If T1>TBDecreasing the temperature regulation amplitude value Delta T of the heater until T1-ΔT＝TB(ii) a If T1<TBIncreasing the temperature regulation amplitude value delta T of the heater until T1+ΔT＝TBAnd the input proportion and time of the fixed heating power and the adjustable heating power of the heater are also set on the human-computer interface of the controller. Before the cleaned and rinsed workpiece is required to be taken away, the temperature reduction and temperature equalization control stage is started, and the set temperature T to be reduced in the cleaning section or rinsing is obtained through the human-computer interface of the controller in the processLAnd the actual temperature T of the corresponding temperature sensor in the current operation state2And determining the actual temperature T2Whether or not equal to the set temperature TLAnd T isL≤TB(ii) a If T2>TLDecreasing the temperature regulation amplitude value Delta T of the heater until T2-ΔT＝TL(ii) a If T2<TLIncreasing the temperature regulation amplitude value delta T of the heater until T2-ΔT＝TLAnd finally, taking away the cleaned workpiece. The predetermined temperature of the fixed heating power of the heater is TGAnd T isG≤TL. The temperature adjustment amplitude value delta T of the heater ranges from 60 degrees to 90 degrees. In addition, in each stage of temperature rise and temperature equalization control, heat preservation and temperature equalization control, temperature reduction and temperature equalization control, the controller also carries out liquid supplementing control on cleaning liquid in the cleaning section and/or the rinsing section, and the liquid supplementing control obtains the liquid level sensor corresponding to the cleaning section or the rinsing section according to the controller and carries out liquid supplementing control on the liquid level sensor in the current operationActual level value in the state.
Still add monitored control system in this embodiment, can file, inquire, trace back the data of temperature, form and wash the big data of production line temperature management and control, do further analysis, application to data, obtain the relevant data link of the qualified quality work piece of cleaning production line output to promote the ability of cleaning machine production line automation, the management and control that becomes more meticulous, the maintainer that significantly reduces also embodies the management and control advantage of this patent in the aspect of reducing the staff to improve effects.
In particular, it is to be noted that: temperature requirements of key points are ensured by configuring temperature rising, heat preservation and temperature lowering parameters and configuring power input modes and quantity through an interface, and a self-adaptive control strategy is realized through control mode characteristics. The flexibility and the customization control adopted by the patent are applied to the temperature control of the production line, can meet the requirements of temperature control and heating constant power input of the cleaning production line with single groove bodies and multiple groove bodies, and realize a self-adaptive uniform constant temperature control method for the cleaning production line of elongated pieces.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (8)
1. A self-adaptive uniform constant temperature control method for an elongated piece cleaning production line is characterized by comprising the steps of carrying out corresponding temperature rise and uniform temperature control, temperature preservation and uniform temperature control, temperature reduction and uniform temperature control on cleaning liquid in a groove of a cleaning section and/or a rinsing section by a controller according to the flow of the elongated piece cleaning production line.
2. The method of adaptive soaking control for an elongated article cleaning line according to claim 1, wherein said temperature rise and soaking control is: obtaining a set temperature T to be heated in a cleaning section or rinsingHAnd the corresponding temperature sensor isActual temperature T in the front operating state0And determining the actual temperature T0Whether or not equal to the set temperature TH(ii) a If T0<THIncreasing the temperature regulation amplitude value delta T of the heater until T0+ΔT＝THAnd delta T is a temperature change value generated by pressing a key once and adjusting the set temperature by the adjustable heating power input of the controller to the heater.
3. An elongated article cleaning line adaptive soaking control method according to claim 2, characterized in that said soaking and soaking control is: obtaining the set temperature T to be kept warm in the cleaning section or rinsingBAnd the actual temperature T of the corresponding temperature sensor in the current operation state1And determining the actual temperature T1Whether or not equal to the set temperature TBAnd T isB≤TH(ii) a If T1>TBDecreasing the temperature regulation amplitude value Delta T of the heater until T1-ΔT＝TB(ii) a If T1<TBIncreasing the temperature regulation amplitude value delta T of the heater until T1+ΔT＝TB。
4. An elongated article cleaning line adaptive soaking control method according to claim 3, characterized in that said cooling and soaking control is: obtaining a set temperature T to be cooled in a cleaning section or rinsingLAnd the actual temperature T of the corresponding temperature sensor in the current operation state2And determining the actual temperature T2Whether or not equal to the set temperature TLAnd T isL≤TB(ii) a If T2>TLDecreasing the temperature regulation amplitude value Delta T of the heater until T2-ΔT＝TL(ii) a If T2<TLIncreasing the temperature regulation amplitude value delta T of the heater until T2-ΔT＝TL。
5. An elongated member cleaning line adaptive thermostatically-controlled method as claimed in claim 4, characterized in that the value of the temperature regulation amplitude Δ T of the heater is in the range 60-90 degrees.
6. The adaptive thermostatically controlled method of claim 5, wherein the heater further comprises a constant heating power, the constant heating power having a predetermined temperature TGAnd T isG≤TL。
7. The method for adaptively controlling the uniform temperature of an elongated member cleaning production line according to claim 6, wherein the input ratio and time of the fixed heating power and the adjustable heating power of the heater are set on the human-computer interface of the controller, so as to meet the control requirements of the tank cleaning solution in the cleaning section or the rinsing section on the processes of temperature rise and uniform temperature, heat preservation and uniform temperature, and temperature reduction and uniform temperature.
8. The elongated member cleaning production line adaptive uniform temperature control method according to any one of claims 1 to 7, characterized in that the controller further performs liquid replenishment control on cleaning liquid in the tank of the cleaning section and/or the rinsing section in each stage of temperature rise and uniform temperature control, heat preservation and uniform temperature control, and temperature reduction and uniform temperature control, wherein the liquid replenishment control obtains an actual liquid level value of a liquid level sensor corresponding to the cleaning section or the rinsing section in a current operation state according to the controller.
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| CN202010796578.8A CN111889448A (en) | 2020-08-10 | 2020-08-10 | Self-adaptive uniform constant temperature control method for elongated piece cleaning production line |
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|---|---|---|---|---|
| CN1771098A (en) * | 2003-04-10 | 2006-05-10 | Kleen安全系统公司 | Parts washer with improved temperature and pump control |
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| CN204902270U (en) * | 2015-09-06 | 2015-12-23 | 上海延中水净化科技有限公司 | Instant heating type drinking water platform control circuit |
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| CN209715878U (en) * | 2019-04-09 | 2019-12-03 | 中机中联工程有限公司 | A kind of fuel assembly cleaning device |
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2020
- 2020-08-10 CN CN202010796578.8A patent/CN111889448A/en active Pending
Patent Citations (5)
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|---|---|---|---|---|
| CN1771098A (en) * | 2003-04-10 | 2006-05-10 | Kleen安全系统公司 | Parts washer with improved temperature and pump control |
| JP2014042899A (en) * | 2012-08-28 | 2014-03-13 | Miura Co Ltd | Cleaning apparatus |
| CN204902270U (en) * | 2015-09-06 | 2015-12-23 | 上海延中水净化科技有限公司 | Instant heating type drinking water platform control circuit |
| CN108062129A (en) * | 2017-12-25 | 2018-05-22 | 哈尔滨工业大学 | A kind of temperature control method and its system of gauze reactor |
| CN209715878U (en) * | 2019-04-09 | 2019-12-03 | 中机中联工程有限公司 | A kind of fuel assembly cleaning device |
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Application publication date: 20201106 |