CN114035620B - Intelligent flow control method and system for mold temperature controller - Google Patents
Intelligent flow control method and system for mold temperature controller Download PDFInfo
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- CN114035620B CN114035620B CN202210020131.0A CN202210020131A CN114035620B CN 114035620 B CN114035620 B CN 114035620B CN 202210020131 A CN202210020131 A CN 202210020131A CN 114035620 B CN114035620 B CN 114035620B
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- G05D7/06—Control of flow characterised by the use of electric means
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Abstract
The application relates to an intelligent flow control method and system for a mold temperature controller, wherein the method comprises the following steps: receiving a selection instruction of a user for a processing task, wherein the processing task comprises a task name, processing link names sequentially arranged according to a processing sequence and processing time corresponding to each processing link name; inquiring a cooling scheme corresponding to the processing task in a preset cooling scheme database, wherein the cooling scheme comprises a task name, a preset standard cooling temperature, a steady-state flow numerical value corresponding to each processing link and processing time; receiving a processing task starting instruction input by a user; and when detecting that the temperature value corresponding to the temperature information sent by the component temperature sensor reaches a standard temperature value, sending the inquired cooling scheme to the mold temperature controller. The application has the technical effects that: the accuracy and the intelligence of the flow control are improved.
Description
Technical Field
The application relates to the field of control systems, in particular to an intelligent flow control method and system for a mold temperature controller.
Background
Currently, control systems have been widely used in various fields of human society. In the industrial field, there are corresponding control systems for various physical quantities encountered in the production processes of metallurgy, chemical engineering, mechanical manufacturing, etc., including temperature, flow rate, pressure, thickness, tension, speed, position, frequency, phase, etc. The control system is designed to bring a controlled object to a predetermined ideal state and is capable of bringing the controlled object to a certain desired steady state.
The mold temperature controller is generally used for controlling the temperature of an object to be at a fixed value, the mold temperature controller has a heating function and a cooling function, different heating and cooling modes of the mold temperature controller are different, the mold temperature controller is communicated with a temperature adjusting channel, and the temperature adjusting channel contains liquid. In actual production, production equipment can produce a large amount of heats in the course of processing or operation, but the temperature of key part need keep at standard temperature, at this moment, can pass through key part with the temperature regulating channel of mould temperature machine, start the cooling function of mould temperature machine, and mould temperature machine adjusts the temperature of the liquid in the pipeline to standard cooling temperature, and liquid flows through key part through the pipeline with certain speed and dispels the heat to key part.
In view of the above-mentioned related art, the inventors found that at least the following problems exist in the art: because the production equipment produces the heat difference in the processing link of difference fast slow to lead to the heat size that key part unit time received to different, when the key part was flowed through to the liquid of standard cooling temperature with certain speed, it is difficult to the accurate control of the temperature of key part at standard temperature, thereby makes the temperature control accuracy to key part lower.
Disclosure of Invention
In order to solve the problem that the temperature control precision of key components is low, the application provides an intelligent flow control method and system for a mold temperature controller.
In a first aspect, the present application provides an intelligent flow control method for a mold temperature controller, which adopts the following technical scheme:
the method comprises the following steps:
receiving a selection instruction of a user for a processing task, wherein the processing task comprises a task name, processing link names sequentially arranged according to a processing sequence and processing time corresponding to each processing link name;
inquiring a cooling scheme corresponding to the processing task in a preset cooling scheme database, wherein the cooling scheme comprises a task name, a preset standard cooling temperature, a steady-state flow numerical value corresponding to each processing link and processing time;
receiving a processing task starting instruction input by a user;
and when detecting that the temperature value corresponding to the temperature information sent by the component temperature sensor reaches a standard temperature value, sending the inquired cooling scheme to the mold temperature controller.
By adopting the technical scheme, after the user selects the processing task, the controller automatically calls out the cooling scheme corresponding to the processing task, and corresponding steady-state flow numerical values are provided for different processing links in the processing process. Because the temperature of the output liquid is kept at the standard cooling temperature, even if the heat received by the part in unit time changes according to different processing links in the processing process, the die temperature machine can adjust the flow to the steady-state flow numerical value corresponding to the changed processing link when the processing link is changed every time, so that the heat absorbed by the die temperature machine from the part in unit time is adjusted, the heat absorbed by the die temperature machine from the part in unit time is equal to the heat received by the part in unit time, the heat balance is achieved, the temperature of the part is accurately controlled at the standard temperature value, and the accuracy of controlling the temperature of the part is improved.
Optionally, the cooling scheme further includes a temperature grade and a preferred cooling temperature corresponding to the temperature grade, where the higher the temperature grade is, the higher the corresponding temperature is, and the higher the corresponding preferred cooling liquid temperature is;
the querying of the cooling plan corresponding to the processing task in the preset cooling plan database includes:
querying a cooling scheme group corresponding to the processing task from a preset cooling scheme database, wherein each cooling scheme corresponds to one temperature grade;
acquiring environmental temperature information sent by an environmental temperature sensor;
determining a temperature grade corresponding to the ambient temperature according to a preset temperature grading rule;
selecting a cooling scheme with the corresponding temperature grade identical to the temperature grade corresponding to the environment temperature information;
the sending the queried cooling plan to the mold temperature machine comprises:
sending the selected cooling schedule to the mold temperature machine.
Through adopting above-mentioned technical scheme, because liquid is at the in-process of cooling part, continuously carries out the heat exchange with the air in the environment, and the difference in temperature between liquid temperature and the ambient temperature is big more, carries out the rate of heat exchange big more to extravagant energy is more. The temperature of the cooling liquid close to the ambient temperature is selected according to the ambient temperature on site, and a cooling scheme corresponding to the cooling temperature is optimized, so that the possibility that the energy waste is too much due to too large temperature difference between the liquid temperature and the ambient temperature is reduced, and the energy waste is reduced.
Optionally, after the sending the queried cooling scheme to the mold temperature controller, the method further includes:
acquiring component temperature information sent by a component temperature sensor;
calculating a difference value between a temperature value corresponding to the component temperature information and a preset standard temperature value;
if the difference value is detected to exceed a preset difference value threshold value, acquiring temperature information of the component in real time;
sending a flow change instruction to the mold temperature controller in real time according to the size relation between a temperature value corresponding to the part temperature information acquired in real time and a preset standard temperature value, wherein the flow change instruction comprises a preset flow change rate, so that the mold temperature controller reduces or increases the flow according to the flow change rate;
until detecting that the temperature value corresponding to the component temperature information sent by the component temperature sensor is stabilized at the preset standard temperature value, and taking the current flow value as a steady-state flow value;
and sending the steady-state flow value to the mold temperature machine.
By adopting the technical scheme, the controller monitors the temperature of the component in real time in the cooling process, and when the controller finds that the current flow is not enough to control the temperature of the component at the standard temperature value, the flow of the liquid is automatically adjusted until the temperature of the component is stably controlled at the standard temperature value again, so that a new steady-state flow value is determined.
Optionally, after the sending the steady-state flow value to the mold temperature controller, the method further includes:
recording a corresponding time point when the detected difference value exceeds a preset difference value threshold value, and calculating the time length from the time point to the next processing link as the duration of the steady-state flow value;
acquiring the starting time of a corresponding processing link;
calculating the time length of the time point from the starting time of the processing link;
and adding the steady-state flow value and the duration corresponding to the steady-state flow value into the original steady-state flow value corresponding to the processing link in the cooling scheme, and taking the time length as the duration of the original steady-state flow value in the processing link.
By adopting the technical scheme, the controller can automatically record the adjustment of the flow rate in the cooling scheme, so that the flow rate of the liquid can be automatically adjusted to a new steady-state flow rate value in advance before the heat absorption efficiency of the component is changed when the next time is added, the fluctuation of the temperature of the component is reduced, the cooling scheme is further perfected, and the accuracy of the temperature control of the component is further improved.
Optionally, the method further includes:
receiving a processing link cooling scheme adding request input by a user, wherein the processing link cooling scheme adding request comprises a processing link name, processing time corresponding to a processing link and the standard cooling temperature;
receiving a processing link starting instruction input by a user;
when detecting that the temperature value corresponding to the component temperature information sent by the component temperature sensor reaches the standard temperature value;
sending a cooling instruction to a mold temperature controller, wherein the cooling instruction comprises a preset standard flow and the standard cooling temperature;
receiving the temperature information of the component sent by the temperature sensor in real time, and calculating the temperature change rate of the temperature of the component;
sending a flow adjusting instruction to a mold temperature controller in real time, wherein the flow adjusting instruction comprises the calculated temperature change rate, so that the mold temperature controller adjusts the flow according to the temperature change rate;
when the change rate of the temperature of the component is detected to be zero, marking the flow value at the moment as a steady-state flow value;
and generating a cooling scheme corresponding to the processing link, wherein the cooling scheme comprises the steady-state flow numerical value and the processing time corresponding to the processing link.
By adopting the technical scheme, if a user needs to add a new cooling scheme due to the need of adding a new processing link, the user manually starts the processing link when the processing link starts, the controller can adjust the flow change rate of the liquid flow in real time according to the temperature change rate of the component temperature, and when the temperature change rate of the component temperature is zero, the heat absorbed by the liquid from the component in unit time is equal to the heat absorbed by the component, so that a steady state is achieved, a steady state flow value corresponding to the processing link is automatically obtained, and the steady state flow value and the processing time corresponding to the processing link are the cooling scheme of the processing link. When a user needs to add the processing link into the processing task, the cooling scheme corresponding to the processing link is added into the cooling scheme corresponding to the processing task according to the adding sequence of the processing link into the processing task, and the cooling scheme of the processing task after the processing link is added can be automatically generated. Therefore, the processor can flexibly process the changed cooling scheme, and the intelligence of flow control is improved.
Optionally, the processing link cooling scheme addition request received from the user includes;
receiving a processing task cooling scheme adding request input by a user, wherein the processing task cooling scheme adding request comprises a task name, processing link names sequentially arranged according to a processing sequence and processing time corresponding to each processing link name;
the processing link starting instruction input by the user is received;
receiving a processing task starting instruction input by a user, and taking a starting time point corresponding to the processing task starting instruction as a task starting time point;
determining a task ending time point and a starting time point of each processing link according to the sequence of each processing link and the processing duration corresponding to each processing link;
the cooling scheme corresponding to the generating and processing link comprises the following steps of;
taking the time point when the flow numerical value is changed into the steady-state flow numerical value as a steady time point corresponding to the steady-state flow numerical value;
when the temperature change rate of the temperature of the component is monitored to be changed from zero to non-zero, a flow adjusting instruction is sent to a mold temperature controller in real time, wherein the flow adjusting instruction comprises the temperature change rate until the temperature change rate of the temperature of the component is detected to be zero;
sequentially recording the steady-state flow numerical value when the temperature change rate of the temperature of the component is detected to be zero each time and the stable time point corresponding to each steady-state flow numerical value;
sequencing all the steady-state flow values according to the sequence of the stable time points corresponding to each steady-state flow value;
determining a processing link name corresponding to each steady-state flow value according to a stable time point corresponding to each steady-state flow value and a starting time point of each processing link;
calculating the duration corresponding to each steady-state flow value according to a preset duration calculation rule;
and generating a cooling scheme corresponding to the processing task, wherein the cooling scheme comprises the sequenced steady-state flow numerical values, the duration of each steady-state flow numerical value and the processing link name corresponding to each steady-state flow numerical value.
By adopting the technical scheme, when a user needs to add a cooling scheme corresponding to a new processing task, after the user starts the processing task, the controller can automatically determine the change rate of the flow according to the change rate of the temperature of the part in the whole processing process, and the flow is adjusted according to the determined change rate, so that the change rate of the component temperature can be stabilized back to zero after each change, thereby being capable of recording the flow numerical values of the flow when the temperature of the component is in a certain stable state in sequence, determining the processing link corresponding to each stable flow numerical value according to the stable time point corresponding to each stable flow numerical value, automatically calculating the duration corresponding to each stable flow numerical value, when the time of controlling one steady-state flow numerical value reaches the duration, the controller automatically adjusts the flow to the next steady-state flow numerical value. Therefore, a new cooling scheme can be automatically generated aiming at a new processing task, and the intelligence of flow control is improved.
Optionally, the sending a flow adjustment instruction to the mold temperature controller in real time when the temperature change rate of the monitored component temperature changes from zero to non-zero includes:
when the temperature change rate of the monitored component temperature is changed from zero to non-zero, a time point when the temperature change rate of the monitored component temperature is changed from zero to non-zero is used as a stable value adjusting point, and a flow adjusting instruction is sent to the mold temperature controller in real time;
taking the stable value adjusting point as a stable value adjusting point corresponding to a stable flow value before the change rate of the corresponding monitored component temperature is not zero;
the calculating the duration of each steady-state flow value according to the preset duration calculation rule comprises: calculating the time length between the stable value adjusting point corresponding to each stable flow value and the stable value adjusting point corresponding to the previous stable flow value;
taking the calculated time length between two adjacent stable value adjusting points as the duration of the subsequent stable flow value in the two corresponding adjacent stable flow values;
the duration corresponding to the first steady-state flow value is the time length from the task start time point to the steady value adjustment point corresponding to the first steady-state flow value.
By adopting the technical scheme, the controller monitors the stable time point of each steady-state flow value and the corresponding stable value adjusting point, the time for stabilizing the flow at the steady-state flow value is between the stable time point and the stable value adjusting point, and the process for adjusting the flow until the flow is adjusted to the steady-state flow value for stabilizing the temperature of the component is performed between the stable time point and the stable value adjusting point of the last steady-state flow value is performed for the controller, so that the duration for which the steady-state flow value should last is calculated, and the duration between the two stable value adjusting points is obtained. And calculating the duration corresponding to each steady-state flow value through the same steps, thereby realizing the automatic calculation of the duration of each steady-state flow value which enables the temperature of the component to be stable.
In a second aspect, the present application provides an intelligent flow control system for a mold temperature controller, which adopts the following technical scheme: the system comprises: controller, part temperature sensor, mould temperature machine, the controller is used for:
receiving a selection instruction of a user for a processing task, wherein the processing task comprises a task name, processing link names sequentially arranged according to a processing sequence and processing time corresponding to each processing link name;
inquiring a cooling scheme corresponding to the processing task in a preset cooling scheme database, wherein the cooling scheme comprises a task name, a preset standard cooling temperature, a steady-state flow numerical value corresponding to each processing link and processing time;
receiving a processing task starting instruction input by a user;
and when detecting that the temperature value corresponding to the temperature information sent by the component temperature sensor reaches a standard temperature value, sending the inquired cooling scheme to the mold temperature controller.
By adopting the technical scheme, after the user selects the processing task, the controller automatically calls out the cooling scheme corresponding to the processing task, and corresponding steady-state flow numerical values are provided for different processing links in the processing process. Because the temperature of the output liquid is kept at the standard cooling temperature, even if the heat received by the part in unit time changes according to different processing links in the processing process, the die temperature machine can adjust the flow to the steady-state flow numerical value corresponding to the changed processing link when the processing link is changed every time, so that the heat absorbed by the die temperature machine from the part in unit time is adjusted, the heat absorbed by the die temperature machine from the part in unit time is equal to the heat received by the part in unit time, the heat balance is achieved, the temperature of the part is accurately controlled at the standard temperature value, and the accuracy of controlling the temperature of the part is improved.
In a third aspect, the present application provides a computer device, which adopts the following technical solution: comprising a memory and a controller, the memory having stored thereon a computer program that can be loaded by the controller and execute any of the above-described intelligent flow control methods for a mold temperature machine.
In a fourth aspect, the present application provides a computer-readable storage medium, which adopts the following technical solutions: a computer program is stored which can be loaded by a controller and which can perform any of the above-described intelligent flow control methods for a mold temperature machine.
In summary, the present application includes at least one of the following beneficial technical effects:
1. after a user selects a processing task, the controller automatically calls out a cooling scheme corresponding to the processing task, and corresponding steady-state flow numerical values are set for different processing links in the processing process. Because the temperature of the output liquid is kept at the standard cooling temperature, even if the heat received by the part in unit time changes according to different processing links in the processing process, the die temperature machine can adjust the flow to a steady-state flow numerical value corresponding to the changed processing link when the processing link is changed every time, so that the heat absorbed by the die temperature machine from the part in unit time is adjusted, the heat absorbed by the die temperature machine from the part in unit time is equal to the heat received by the part in unit time, the heat balance is achieved, the temperature of the part is accurately controlled at the standard temperature value, and the accuracy of controlling the temperature of the part is improved;
2. if a user needs to add a new cooling scheme due to the need of adding a new processing link, when the processing link begins, the user manually starts the processing link, the controller can adjust the flow rate change of the liquid flow in real time according to the temperature change rate of the component temperature, and when the temperature change rate of the component temperature is zero, the fact that the heat absorbed by the liquid from the component in unit time is equal to the heat absorbed by the component is explained, so that a steady state is achieved, a steady state flow value corresponding to the processing link is automatically obtained, and the steady state flow value and the processing time length corresponding to the processing link are the cooling scheme of the processing link. When a user needs to add the processing link into the processing task, the cooling scheme corresponding to the processing link is added into the cooling scheme corresponding to the processing task according to the adding sequence of the processing link into the processing task, and the cooling scheme of the processing task after the processing link is added can be automatically generated. Therefore, the processor can flexibly process the changed cooling scheme, and the intelligence of flow control is improved.
Drawings
Fig. 1 is a flowchart of an intelligent flow control method for a mold temperature controller according to an embodiment of the present application.
Fig. 2 is a schematic flow diagram of a liquid in an intelligent flow control method for a mold temperature controller according to an embodiment of the present application.
Fig. 3 is a schematic diagram of a cooling scheme in an intelligent flow control method for a mold temperature controller according to an embodiment of the present application.
Fig. 4 is a block diagram of an intelligent flow control system for a mold temperature controller according to an embodiment of the present application.
Fig. 5 is a block diagram of an intelligent flow control system for a mold temperature controller according to an embodiment of the present application.
Description of reference numerals: 20. a controller; 21. a component temperature sensor; 22. a mold temperature controller; 30. an ambient temperature sensor.
Detailed Description
The application discloses an intelligent flow control method for a mold temperature controller. The method is based on a mold temperature controller, a controller and a component temperature sensor, wherein the controller is provided with a touch screen, a user can input information through the touch screen, and the controller receives the information input by the user. The controller may send control instructions to the mold temperature machine to control the flow rate and temperature of the liquid output by the mold temperature machine to control the cooling efficiency for the part. The mold temperature controller is provided with a flow meter. A component temperature sensor may be located within the component for measuring a temperature of the component and sending a temperature signal to the controller.
In one embodiment, as shown in fig. 1, there is provided an intelligent flow control method for a mold temperature controller, the method comprising the steps of:
and S10, receiving a selection instruction of the processing task by the user.
Specifically, the initial interface of the touch screen may include task names corresponding to a plurality of processing tasks, and a user may send a selection instruction for a processing task to the controller by clicking a region corresponding to a task name. The processing task comprises a processing name, names of a plurality of processing links which are sequentially arranged according to a processing sequence and processing time corresponding to each processing link.
And S11, inquiring a cooling scheme corresponding to the processing task in a preset cooling scheme database.
As shown in fig. 2, specifically, after the controller receives a selection instruction of a processing task, the controller automatically queries a cooling scheme corresponding to the processing task selected by the user in a preset cooling scheme database, where the cooling scheme database is preset by a worker, and in the cooling scheme database, a task name of each processing task correspondingly stores a standard cooling temperature, a steady-state flow value corresponding to each processing link, and a processing duration of each processing link. The standard cooling temperature is preset, and different cooling schemes correspond to the same standard cooling temperature. Since the temperature of the liquid output from the mold temperature controller is constant to the standard cooling temperature, the flow rate of the liquid can be controlled to control the cooling rate of the part. The steady-state flow value is that in the corresponding processing link, the output temperature of the liquid is constant to be the standard cooling temperature, and when the flow value of the liquid is the steady-state flow value, the heat of the liquid in unit time from the absorption part is equal to the heat absorbed by the part in unit time when the equipment runs.
And S12, receiving a processing task starting command input by the user.
Specifically, the user enters and exits the machining task starting instruction to the controller through the touch screen.
And S13, sending the preset standard cooling temperature and cooling scheme to the mold temperature controller.
Specifically, as shown in fig. 3, after a user starts a processing task, the device operates to generate heat, so that the component absorbs heat, when the processor detects that a temperature value corresponding to temperature information sent by the component temperature sensor reaches a standard temperature value, a preset standard cooling temperature and a preset cooling scheme are sent to the mold temperature controller, the mold temperature controller adjusts the temperature of liquid in the pipeline to the standard cooling temperature, then the flow rate of the liquid is adjusted according to a steady-state flow value corresponding to each processing link in the cooling scheme, when the next processing link is automatically reached, the mold temperature controller automatically adjusts the flow rate of the liquid to a steady-state flow value corresponding to the next processing link, and the processing duration of each processing link is the duration of the corresponding steady-state flow value. Therefore, the flow is automatically adjusted to the corresponding steady-state flow numerical value aiming at different processing links, so that the heat of the liquid in unit time from the absorption part is equal to the heat absorbed by the part in unit time in each processing link, and the temperature of the part is accurately controlled at the standard temperature.
In yet another embodiment, consider the situation where the liquid exchanges heat with air in the environment as it cools the component, and the greater the temperature difference, the higher the rate at which heat exchange occurs, resulting in more energy waste. The cooling scheme further comprises a temperature level and a preferred cooling temperature corresponding to the temperature level, the higher the temperature, the higher the corresponding preferred cooling temperature. After receiving the processing tasks selected by the user, the controller inquires a cooling scheme group corresponding to the selected processing tasks in a preset cooling scheme database, each cooling scheme corresponds to one temperature grade, all cooling schemes corresponding to the selected processing tasks form the cooling scheme group, and different cooling schemes correspond to different optimal cooling temperatures. And after receiving the environment temperature information sent by the environment temperature sensor, the controller determines the temperature grade of the environment temperature according to a preset temperature grading rule, selects a cooling scheme with the corresponding temperature grade identical to the temperature grade corresponding to the environment temperature, and sends the cooling scheme to the mold temperature controller. The ambient temperature sensor is a temperature sensor that measures ambient temperature. The mould temperature machine adjusts the temperature of liquid to the preferred cooling temperature in the cooling scheme that receives and cools down the part to reducible because the too big possibility that leads to the energy waste more of difference in temperature between liquid temperature and the ambient temperature.
In yet another embodiment, it is contemplated that fluctuations in the rate of heating of the component may occur in the same process cycle. The controller acquires component temperature information sent by a component temperature sensor after sending a cooling scheme corresponding to a processing task to the mold temperature controller, calculates a difference value between a temperature value corresponding to the component temperature information and a standard temperature value, acquires the component temperature information in real time if the difference value is detected to be larger than a preset difference value threshold value, and sends a flow change instruction to the mold temperature controller according to a size relation between the temperature value corresponding to the component temperature information acquired in real time and a preset standard temperature value, wherein the flow change instruction comprises a preset flow change rate. The preset difference threshold is preset by a user according to the precision requirement and can be 3 ℃. If the temperature value of the part is greater than the standard temperature value, the heating efficiency of the part is increased, and the flow rate of the mold temperature controller is continuously increased according to the flow rate change rate; if the temperature value of the part is smaller than the standard temperature value, the heating efficiency of the part is reduced, the flow rate of the mold temperature controller is continuously reduced according to the flow rate change rate, the preset flow rate change rate is preset by a user, for example, the flow rate change rate is 0.2, and when the flow rate is increased, the flow rate is increased by 0.2 cubic meters per second; when the flow rate is reduced, the flow rate is reduced by 0.2 cubic meter per second.
And the mold temperature controller continuously increases or decreases the flow according to the flow change rate according to the size relation between the temperature value corresponding to the component temperature information and the preset standard temperature value until detecting that the temperature value corresponding to the component temperature information sent by the component temperature sensor is stabilized at the preset standard temperature value. And the controller sends a steady-state flow value to the mold temperature controller, wherein the steady-state flow value is the flow value when the temperature value corresponding to the component temperature information is stabilized at a preset standard temperature value. The mold temperature controller adjusts the liquid flow value to the steady state flow value.
The method for detecting whether the temperature value of the component is stable at the standard temperature value may be that the temperature of the component is obtained at intervals of a preset time length, a temperature difference between the temperatures of the adjacent obtained components is calculated, and if a plurality of consecutive temperature differences are smaller than a preset stability threshold, and a difference between the corresponding consecutive temperature values of the plurality of components and the standard temperature value is smaller than a difference threshold, the standard temperature value at which the temperature value of the component is stable may be determined. The preset time period may be 1 second, the stability threshold may be 0.5 degrees, and the difference threshold may be 3 degrees celsius.
In yet another embodiment, it is contemplated that fluctuations in the component heat rate that occur in the same machining session may still occur the next time the same machining task is performed. And when detecting that the difference value between the temperature value corresponding to the component temperature information and the preset standard temperature value is greater than the preset difference value threshold value, the controller records the time point at the moment. The controller acquires the starting time of the processing link after sending the steady-state flow value to the mold temperature controller, calculates the time length from the recorded time point to the starting time of the processing link, and takes the time length as the duration of the original steady-state flow value in the processing link; the controller calculates the length of time from the recorded time point to the next processing link as the duration of the most recently sent steady-state flow value. And adding the steady-state flow value into the original steady-state flow value corresponding to the processing link in the cooling scheme, and storing the duration of the original steady-state flow value and the duration of the recently sent steady-state flow value into the cooling scheme to cover the original cooling scheme of the processing link. Thereby completing the update to the cooling scheme.
In yet another embodiment, consider the situation where a user needs to add a new machining link, and needs to add a cooling solution corresponding to the machining link. The user inputs a cooling scheme addition request for the machining link by clicking a screen. The processing link cooling scheme adding request comprises a processing link name, processing time length corresponding to the processing link and standard cooling temperature. When the machining link begins, the user inputs a machining link start instruction to manually start the machining link. When the temperature value corresponding to the temperature information sent by the component temperature sensor reaches the standard temperature value, the controller sends a cooling instruction to the mold temperature controller, and the cooling instruction comprises preset standard flow and standard cooling temperature. The preset standard flow is preset by a user.
The controller receives the component temperature information sent by the temperature sensor in real time, calculates the temperature change rate of the component temperature information, and takes the change of the calculated temperature value as the flow rate change rate of the liquid flow. That is, an increase in temperature increases the flow rate, and a decrease in temperature decreases the flow rate. And sending a flow adjusting instruction to the mold temperature controller in real time, wherein the flow adjusting instruction comprises the calculated temperature change rate, and the mold temperature controller adjusts the flow according to the temperature change rate. When the change rate of the temperature is detected to be zero, the heat absorbed by the component in unit time is equal to the heat absorbed by the liquid from the component at the moment, and the steady state of energy is achieved. And the controller marks the current flow value as a steady-state flow value so as to generate a cooling scheme corresponding to the processing link, wherein the cooling scheme comprises the steady-state flow value and the processing duration of the processing link, namely, the flow is adjusted to the steady-state flow value when the processing link starts, so that the temperature of the part is still controlled at the standard cooling temperature until the end of the processing link.
When the processing link is required to be added into any processing task, the cooling scheme corresponding to the processing link is added into the cooling scheme corresponding to the processing task according to the position of the processing link when the processing link is added into the processing task, and therefore the cooling scheme corresponding to the processing task can be automatically updated when the processing link is added into any processing task.
In another embodiment, the cooling plan corresponding to the new processing task is considered when the user needs the new processing task. When a user wants to add a new cooling scheme, a processing task cooling scheme adding request is input, and the processing task cooling scheme adding request comprises a task name, processing link names sequentially arranged according to a processing sequence and processing time corresponding to each processing link name. And after the user inputs the processing task starting instruction, taking the time point when the user inputs the processing task starting instruction as the task starting time point. And the controller determines a task ending time point and a starting time point of each processing link according to the sequence of each processing link and the processing duration corresponding to each processing link.
And when the controller detects that the temperature value corresponding to the temperature information sent by the component temperature sensor reaches the standard temperature value, sending a cooling instruction to the mold temperature controller, wherein the cooling instruction comprises a preset standard flow rate and a preset standard cooling temperature. The controller sends a flow adjusting instruction to the mold temperature controller in real time, the flow adjusting instruction comprises a temperature change rate, the mold temperature controller adjusts the change rate of the flow in real time according to the temperature change rate of the component temperature until the change rate of the component temperature is detected to be zero, the flow value at the moment is marked as a steady-state flow value, and the time point when the flow value is changed into the steady-state flow value is taken as a stable time point corresponding to the steady-state flow value. And after that, when the controller monitors that the change rate of the temperature of the component changes from zero to non-zero, the controller sends a flow adjusting instruction to the mold temperature controller in real time, wherein the flow adjusting instruction comprises the change rate of the temperature until the change rate of the temperature of the component returns to zero. The controller records the steady-state flow value corresponding to each detected part temperature when the change rate is zero and the stable time point corresponding to each steady-state flow value in sequence.
The controller sorts all the steady-state flow values according to the sequence of the steady-state time points corresponding to the steady-state flow values, and determines the name of the processing link corresponding to each steady-state flow value according to the steady-state time point corresponding to each steady-state flow value and the starting time point of each processing link. The controller calculates the duration corresponding to each steady-state flow value according to a preset duration calculation rule, and finally generates a cooling scheme corresponding to the processing task, wherein the cooling scheme comprises the sorted steady-state flow values, the duration of each steady-state flow value and the processing link name corresponding to each steady-state flow value. Therefore, a corresponding new cooling scheme is automatically generated for a new processing task, and the intelligence for flow control is improved.
In the process of executing the generated cooling scheme, when the temperature of the component is detected to reach a standard temperature value, a first steady-state flow value is sent to the mold temperature controller, the mold temperature controller adjusts the liquid flow to the first steady-state flow value, when the first steady-state flow value reaches the corresponding duration, a second steady-state flow value is sent to the mold temperature controller, the process is circulated backwards until the last steady-state flow value is sent, and when the last steady-state flow value reaches the corresponding duration, the processing task is finished.
In another embodiment, each time the change rate of the monitored component temperature changes from zero to non-zero, a time point when the change rate of the monitored component temperature is not zero is used as a stable value adjusting point, and a flow adjusting instruction is sent to the mold temperature controller in real time. And taking the stable value adjusting point as a stable value adjusting point corresponding to the stable flow value before the change rate of the monitored component temperature is not zero. For example, when the flow value is the steady-state flow value a, after a period of time, the controller detects that the rate of change of the component temperature is not zero, and then sets a time point when the rate of change of the component temperature is detected to be not zero as a steady-state value adjustment point corresponding to the steady-state flow value a.
When the time length corresponding to each steady-state flow value is calculated, the time length between the steady-state value adjusting point corresponding to each steady-state flow value and the steady-state value adjusting point corresponding to the last steady-state flow value is calculated. Since the rate of heat absorption by the component changes at the steady state value setpoint, the time between the steady state time point for each steady state flow value and the steady state value setpoint for the previous steady state flow value is: the controller adjusts the flow value to the time period of the steady-state flow value due to the change of the heat absorption rate of the part; the stable time point corresponding to each steady-state flow value to the stable value adjusting point corresponding to the steady-state flow value is as follows: and the controller aims at the time period when the flow is adjusted and the flow is constant at the steady-state flow value, so that the calculated time length between the two adjacent steady-state value adjusting points is used as the duration of the subsequent steady-state flow value in the two corresponding adjacent steady-state flow values. And aiming at the duration corresponding to the first steady-state flow value, the time length from the task starting time point to the stable value adjusting point corresponding to the first steady-state flow value is adjusted, so that the duration corresponding to all the steady-state flow values is calculated. Thereby enabling automatic calculation of the duration of each steady state flow value.
In one embodiment, as shown in fig. 4, there is provided an intelligent flow system for a mold temperature machine 22, the system comprising: controller 20, part temperature sensor 21, mould temperature machine 22, controller 20 is used for:
receiving a selection instruction of a user for a processing task, wherein the processing task comprises a task name, processing link names sequentially arranged according to a processing sequence and processing time corresponding to each processing link name;
inquiring a cooling scheme corresponding to the processing task in a preset cooling scheme database, wherein the cooling scheme comprises a task name, a preset standard cooling temperature, a steady-state flow numerical value corresponding to each processing link and processing time;
receiving a processing task starting instruction input by a user;
and when detecting that the temperature value corresponding to the temperature information sent by the component temperature sensor 21 reaches the standard temperature value, sending the inquired cooling scheme to the mold temperature controller 22.
In yet another embodiment, as shown in fig. 5, the intelligent flow system for the mold temperature machine 22 further comprises: the ambient temperature sensor 30 and the controller 20 are specifically configured to:
inquiring a cooling scheme group corresponding to a processing task in a preset cooling scheme database, wherein each cooling scheme corresponds to a temperature grade;
acquiring environmental temperature information sent by an environmental temperature sensor 30;
determining a temperature grade corresponding to the ambient temperature according to a preset temperature grading rule;
selecting a cooling scheme with the corresponding temperature grade identical to the temperature grade corresponding to the environmental temperature information;
sending the queried cooling schedule to the mold temperature machine 22 includes:
the selected cooling schedule is sent to the mold temperature machine 22.
In yet another embodiment, the controller 20 is further configured to:
acquiring component temperature information sent by the component temperature sensor 21;
calculating a difference value between a temperature value corresponding to the component temperature information and a preset standard temperature value;
if the difference value is detected to exceed a preset difference value threshold value, acquiring temperature information of the component in real time;
sending a flow change instruction to the mold temperature controller 22 in real time according to a size relationship between a temperature value corresponding to the component temperature information acquired in real time and a preset standard temperature value, wherein the flow change instruction comprises a preset flow change rate, so that the mold temperature controller 22 reduces or increases the flow according to the flow change rate;
until detecting that the temperature value corresponding to the component temperature information sent by the component temperature sensor 21 is stabilized at a preset standard temperature value, and taking the current flow value as a steady-state flow value;
the steady state flow value is sent to the mold temperature machine 22.
In yet another embodiment, the controller 20 is further configured to:
recording a corresponding time point when the detected difference value exceeds a preset difference value threshold value, and calculating the time length from the time point to the next processing link as the duration of the steady-state flow value;
acquiring the starting time of a corresponding processing link;
calculating the time length of the time point from the starting time of the processing link;
and adding the steady-state flow value and the duration corresponding to the steady-state flow value into the original steady-state flow value corresponding to the processing link in the cooling scheme, and taking the time length as the duration of the original steady-state flow value in the processing link.
In yet another embodiment, the controller 20 is further configured to: receiving a processing link cooling scheme adding request input by a user, wherein the processing link cooling scheme adding request comprises a processing link name, processing time corresponding to a processing link and a standard cooling temperature;
receiving a processing link starting instruction input by a user;
when detecting that the temperature value corresponding to the component temperature information sent by the component temperature sensor 21 reaches the standard temperature value;
sending a cooling instruction to the mold temperature controller 22, wherein the cooling instruction comprises a preset standard flow and a standard cooling temperature;
receiving the temperature information of the component sent by the temperature sensor in real time, and calculating the temperature change rate of the temperature of the component;
sending a flow adjusting instruction to the mold temperature controller 22 in real time, wherein the flow adjusting instruction comprises the calculated temperature change rate, so that the mold temperature controller 22 adjusts the flow according to the temperature change rate;
when the change rate of the temperature of the component is detected to be zero, marking the flow value at the moment as a steady-state flow value;
and generating a cooling scheme corresponding to the processing link, wherein the cooling scheme comprises a steady-state flow numerical value and processing time corresponding to the processing link.
In yet another embodiment, the controller 20 is specifically configured to: receiving a processing task cooling scheme adding request input by a user, wherein the processing task cooling scheme adding request comprises a task name, processing link names sequentially arranged according to a processing sequence and processing time corresponding to each processing link name;
receiving a processing link starting instruction input by a user;
receiving a processing task starting instruction input by a user, and taking a starting time point corresponding to the processing task starting instruction as a task starting time point;
determining a task ending time point and a starting time point of each processing link according to the sequence of each processing link and the processing duration corresponding to each processing link;
generating a cooling scheme corresponding to the processing link;
taking the time point when the flow numerical value is changed into the steady-state flow numerical value as a steady time point corresponding to the steady-state flow numerical value;
when the temperature change rate of the temperature of the component is monitored to be changed from zero to non-zero, a flow adjusting instruction is sent to the mold temperature controller 22 in real time, wherein the flow adjusting instruction comprises the temperature change rate until the temperature change rate of the temperature of the component is detected to be zero;
sequentially recording the steady-state flow numerical value when the temperature change rate of the temperature of the component is detected to be zero each time and the stable time point corresponding to each steady-state flow numerical value;
sequencing all the steady-state flow values according to the sequence of the stable time points corresponding to each steady-state flow value;
determining a processing link name corresponding to each steady-state flow value according to a stable time point corresponding to each steady-state flow value and a starting time point of each processing link;
calculating the duration corresponding to each steady-state flow value according to a preset duration calculation rule;
and generating a cooling scheme corresponding to the processing task, wherein the cooling scheme comprises the sequenced steady-state flow numerical values, the duration of each steady-state flow numerical value and the name of the processing link corresponding to each steady-state flow numerical value.
In yet another embodiment, the controller 20 is further configured to:
when the temperature change rate of the monitored component temperature changes from zero to non-zero, a time point when the temperature change rate of the monitored component temperature changes from zero to non-zero is used as a stable value adjusting point, and a flow adjusting instruction is sent to the mold temperature controller 22 in real time;
taking the stable value adjusting point as a stable value adjusting point corresponding to a stable flow value before the change rate of the corresponding monitored component temperature is not zero;
calculating the duration of each steady-state flow value according to a preset duration calculation rule comprises the following steps: calculating the time length between the stable value adjusting point corresponding to each stable flow value and the stable value adjusting point corresponding to the previous stable flow value;
taking the calculated time length between two adjacent stable value adjusting points as the duration of the subsequent stable flow value in the two corresponding adjacent stable flow values;
the duration corresponding to the first steady state flow value is the time length from the task start time point to the steady value adjustment point corresponding to the first steady state flow value.
In one embodiment, a computer device is provided.
Specifically, the computer device comprises a memory and a controller, wherein the memory is stored with a computer program which can be loaded by the controller and can execute the intelligent flow method for the mold temperature controller.
In one embodiment, a computer-readable storage medium is provided.
Specifically, the computer readable storage medium stores a computer program that can be loaded by a controller and executes the intelligent flow method for a mold temperature controller as described above, and includes, for example: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (10)
1. An intelligent flow control method for a mold temperature controller, the method comprising:
receiving a selection instruction of a user for a processing task, wherein the processing task comprises a task name, processing link names sequentially arranged according to a processing sequence and processing time corresponding to each processing link name;
inquiring a cooling scheme corresponding to the processing task in a preset cooling scheme database, wherein the cooling scheme comprises a task name, a preset standard cooling temperature, a steady-state flow numerical value corresponding to each processing link and processing time;
receiving a processing task starting instruction input by a user;
and when detecting that the temperature value corresponding to the temperature information sent by the component temperature sensor reaches a standard temperature value, sending the inquired cooling scheme to the mold temperature controller.
2. The method of claim 1, wherein the cooling schedule further comprises a temperature level and a preferred cooling temperature corresponding to the temperature level, wherein the higher the temperature level, the higher the corresponding temperature, the higher the corresponding preferred cooling liquid temperature;
the querying of the cooling plan corresponding to the processing task in the preset cooling plan database includes:
querying a cooling scheme group corresponding to the processing task from a preset cooling scheme database, wherein each cooling scheme corresponds to one temperature grade;
acquiring environmental temperature information sent by an environmental temperature sensor;
determining a temperature grade corresponding to the ambient temperature according to a preset temperature grading rule;
selecting a cooling scheme with the corresponding temperature grade identical to the temperature grade corresponding to the environment temperature information;
the sending the queried cooling plan to the mold temperature machine comprises:
sending the selected cooling schedule to the mold temperature machine.
3. The method of claim 1, further comprising, after said sending the queried cooling schedule to the mold temperature machine:
acquiring component temperature information sent by a component temperature sensor;
calculating a difference value between a temperature value corresponding to the component temperature information and a preset standard temperature value;
if the difference value is detected to exceed a preset difference value threshold value, acquiring temperature information of the component in real time;
sending a flow change instruction to the mold temperature controller in real time according to the size relation between a temperature value corresponding to the part temperature information acquired in real time and a preset standard temperature value, wherein the flow change instruction comprises a preset flow change rate, so that the mold temperature controller reduces or increases the flow according to the flow change rate;
until detecting that the temperature value corresponding to the component temperature information sent by the component temperature sensor is stabilized at the preset standard temperature value, and taking the current flow value as a steady-state flow value;
and sending the steady-state flow value to the mold temperature machine.
4. The method of claim 3, comprising, after said sending said steady state flow value to said mold temperature machine:
recording a corresponding time point when the detected difference value exceeds a preset difference value threshold value, and calculating the time length from the time point to the next processing link as the duration of the steady-state flow value;
acquiring the starting time of a corresponding processing link;
calculating the time length of the time point from the starting time of the processing link;
and adding the steady-state flow value and the duration corresponding to the steady-state flow value into the original steady-state flow value corresponding to the processing link in the cooling scheme, and taking the time length as the duration of the original steady-state flow value in the processing link.
5. The method of claim 1, further comprising:
receiving a processing link cooling scheme adding request input by a user, wherein the processing link cooling scheme adding request comprises a processing link name, processing time corresponding to a processing link and the standard cooling temperature;
receiving a processing link starting instruction input by a user;
when detecting that the temperature value corresponding to the component temperature information sent by the component temperature sensor reaches the standard temperature value;
sending a cooling instruction to a mold temperature controller, wherein the cooling instruction comprises a preset standard flow and the standard cooling temperature;
receiving the temperature information of the component sent by the temperature sensor in real time, and calculating the temperature change rate of the temperature of the component;
sending a flow adjusting instruction to a mold temperature controller in real time, wherein the flow adjusting instruction comprises the calculated temperature change rate, so that the mold temperature controller adjusts the flow according to the temperature change rate;
when the change rate of the temperature of the component is detected to be zero, marking the flow value at the moment as a steady-state flow value;
and generating a cooling scheme corresponding to the processing link, wherein the cooling scheme comprises the steady-state flow numerical value and the processing time corresponding to the processing link.
6. The method of claim 5, wherein receiving a user-input process link cooling solution addition request comprises:
receiving a processing task cooling scheme adding request input by a user, wherein the processing task cooling scheme adding request comprises a task name, processing link names sequentially arranged according to a processing sequence and processing time corresponding to each processing link name;
the processing link starting instruction input by the user is received;
receiving a processing task starting instruction input by a user, and taking a starting time point corresponding to the processing task starting instruction as a task starting time point;
determining a task ending time point and a starting time point of each processing link according to the sequence of each processing link and the processing duration corresponding to each processing link;
the cooling scheme corresponding to the processing link is generated;
taking the time point when the flow numerical value is changed into the steady-state flow numerical value as a steady time point corresponding to the steady-state flow numerical value;
when the temperature change rate of the temperature of the component is monitored to be changed from zero to non-zero, a flow adjusting instruction is sent to a mold temperature controller in real time, wherein the flow adjusting instruction comprises the temperature change rate until the temperature change rate of the temperature of the component is detected to be zero;
sequentially recording the steady-state flow numerical value when the temperature change rate of the temperature of the component is detected to be zero each time and the stable time point corresponding to each steady-state flow numerical value;
sequencing all the steady-state flow values according to the sequence of the stable time points corresponding to each steady-state flow value;
determining a processing link name corresponding to each steady-state flow value according to a stable time point corresponding to each steady-state flow value and a starting time point of each processing link;
calculating the duration corresponding to each steady-state flow value according to a preset duration calculation rule;
and generating a cooling scheme corresponding to the processing task, wherein the cooling scheme comprises the sequenced steady-state flow values, the duration of each steady-state flow value and the name of the processing link corresponding to each steady-state flow value.
7. The method of claim 6, wherein sending flow adjustment instructions to the mold temperature machine in real-time whenever the rate of change of temperature of the monitored component temperature changes from zero to non-zero comprises:
when the temperature change rate of the monitored component temperature is changed from zero to non-zero, a time point when the temperature change rate of the monitored component temperature is changed from zero to non-zero is used as a stable value adjusting point, and a flow adjusting instruction is sent to the mold temperature controller in real time;
taking the stable value adjusting point as a stable value adjusting point corresponding to a stable flow value before the change rate of the corresponding monitored component temperature is not zero;
the calculating the duration of each steady-state flow value according to the preset duration calculation rule comprises: calculating the time length between the stable value adjusting point corresponding to each stable flow value and the stable value adjusting point corresponding to the previous stable flow value;
taking the calculated time length between two adjacent stable value adjusting points as the duration of the subsequent stable flow value in the two corresponding adjacent stable flow values;
the duration corresponding to the first steady-state flow value is the time length from the task start time point to the steady value adjustment point corresponding to the first steady-state flow value.
8. An intelligent flow control system for a mold temperature machine, the system comprising: a controller (20), a component temperature sensor (21), a mold temperature machine (22), the controller (20) for:
receiving a selection instruction of a user for a processing task, wherein the processing task comprises a task name, processing link names sequentially arranged according to a processing sequence and processing time corresponding to each processing link name;
inquiring a cooling scheme corresponding to the processing task in a preset cooling scheme database, wherein the cooling scheme comprises a task name, a preset standard cooling temperature, a steady-state flow numerical value corresponding to each processing link and processing time;
receiving a processing task starting instruction input by a user;
and when detecting that the temperature value corresponding to the temperature information sent by the component temperature sensor (21) reaches a standard temperature value, sending the inquired cooling scheme to the mold temperature controller (22).
9. A computer device comprising a memory and a controller, the memory having stored thereon a computer program that can be loaded by the controller and that executes the method of any of claims 1 to 7.
10. A computer-readable storage medium, characterized in that a computer program is stored which can be loaded by a controller and which performs the method according to any one of claims 1 to 7.
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