CN115871185A - Injection mold control system and control method - Google Patents
Injection mold control system and control method Download PDFInfo
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- CN115871185A CN115871185A CN202211484656.6A CN202211484656A CN115871185A CN 115871185 A CN115871185 A CN 115871185A CN 202211484656 A CN202211484656 A CN 202211484656A CN 115871185 A CN115871185 A CN 115871185A
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Abstract
The invention belongs to the field of mold control, and discloses an injection mold control system and a control method, which are characterized by specifically comprising the following steps: the injection mold module is used for performing mold injection molding work; the relay module is used for switching on and off the relay according to the instruction of the central control module; the temperature heating module controls the heating temperature; the temperature detection module is used for detecting the temperature of the injection mold module in real time; the central control module calculates the temperature deviation and the deviation change rate, and then calculates the numerical value through a control algorithm to obtain the on-off time ratio of the relay module and control the on-off of the relay module; and the display module is connected with the temperature detection module and used for displaying the temperature signal value sent by the temperature detection module in real time, so that the monitoring of workers is facilitated. The invention can accurately monitor and analyze the temperature characteristic of the die in real time, calculate the on-off time ratio of the relay module, further control the on-off of the relay module and make a quick response, thereby greatly improving the quality of injection molding products.
Description
Technical Field
The invention belongs to the technical field of mold control, and particularly relates to an injection mold control system and a control method.
Background
Injection molds are tools for producing plastic products and are widely used in the plastic product processing industry because they can produce products of complete structure and precise dimensions. When the injection mold is used for manufacturing plastic products, the hot melting principle of plastic is mainly utilized, molten plastic solution is injected into the mold through an injection molding machine, then the mold is cooled and shaped, and the molded product can be obtained by opening the mold. In the injection molding process, the quality of the temperature control effect of the solution directly influences the yield of products.
In the prior art, different articles require different temperature control. At present, the temperature of the injection mold needs to be manually controlled, the temperature of the mold is manually controlled, errors caused by manual influence exist, and the stability of the temperature of manual operation is not high enough, so that the temperature control of the injection mold does not meet the technical regulation requirements, and the yield of plastic products is influenced.
Through the above analysis, the problems and defects of the prior art are as follows:
at present, the temperature of the injection mold needs to be manually controlled, the temperature of the mold is manually controlled, errors caused by manual influence exist, and the stability of the temperature of manual operation is not high enough, so that the temperature control of the injection mold does not meet the technical regulation requirements, and the yield of plastic products is influenced.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a control system and a control method for an injection mold.
The invention is realized in this way, a control system and control method of injection mold, characterized by that, the control system of injection mold includes specifically: the device comprises an injection mold module, a relay module, a temperature heating module, a temperature detection module, a central control module and a display module;
the injection mold module is connected with the temperature heating module and the temperature detection module and used for performing mold injection work, when the mold injection work is performed, the injection mold module acquires real-time temperature data of the temperature heating module and the temperature detection module, whether the mold injection work is performed or not is judged according to temperature information, when the temperature meets the requirement of the injection temperature, the injection mold module generates a starting electric signal instruction to the injection molding machine, the injection molding machine receives the electric signal instruction and transmits the instruction to an electric chip of the injection molding machine, and the electric chip stimulates the injection molding machine to start working;
the relay module is connected with the central control module and the temperature heating module and used for switching on and off a relay according to an instruction of the central control module, and comprises a power supply line, a control circuit, a temperature control circuit, a protection circuit and a box removing circuit, wherein the power supply circuit is directly connected with an electric appliance plug and used for acquiring electric energy, the control circuit is used for controlling the whole circuit trend of the system device, the temperature control circuit is used for monitoring the temperature of the circuit, once the temperature exceeds an abnormal value, the temperature control circuit sends an electric signal to the central control module, the central control module is used for powering off the circuit, the protection circuit is used for protecting the circuit of the whole system device, the relay module is installed at a power supply inlet, and once abnormal current is found, a protection program is started immediately for powering off;
the temperature heating module is connected with the relay module and used for controlling heating temperature according to the on-off of the relay module, firstly, temperature signals of output quantity are fed back to an input end in a negative feedback mode and are compared with error signals to form temperature feedback signals, the temperature feedback signals are transmitted to the central control module through the relay module, a server in the central control module analyzes the feedback signals, when the signals are in a set temperature range, the central control module does not send out instructions, once the signals exceed the temperature range which is lower than the temperature range, the controller immediately sends out heating instructions, and the temperature heating module receives the instructions and converts the instructions into electric signals to be transmitted to an electric chip of the heater;
the temperature detection module is connected with the injection mold module and the central control module and used for detecting the temperature of the injection mold module in real time, a resistance temperature sensor is adopted, the resistance value is increased along with the increase of the temperature based on the metal conductor, the resistance value is changed along with the rise of the temperature, the positive resistance coefficient is adopted and is made of a copper material, the resistance value is processed through a differential signal processing circuit, and the processed resistance value is converted through an analog-to-digital conversion circuit to obtain the temperature of the injection mold module;
the central control module is connected with the relay module and the temperature detection module and used for comparing a temperature signal value sent by the temperature detection module with a preset temperature, calculating temperature deviation and deviation change rate, then calculating the value through a control algorithm to obtain the on-off time ratio of the relay module and further control the on-off of the relay module, and during control, the main controller collects data and requests transmitted by the modules and outputs the data and the requests to an output channel after analysis and processing; when each module needs analog quantity output, the instruction of the central control module is converted into a standard electric signal through a D/A converter to be output;
the display module is connected with the temperature detection module and used for displaying the temperature signal value sent by the temperature detection module in real time, so that the staff can monitor the temperature signal value, the temperature detection module transmits the information to the display module in a digital signal form, and the display module transmits the digital signal to a display screen through a DVI (digital visual interface) interface for displaying.
Further, the temperature detection module comprises a temperature sensor, a differential signal processing circuit and an analog-to-digital conversion circuit;
the temperature sensor is used for detecting the temperature;
the differential signal processing circuit is used for switching and amplifying differential signals of temperature signals of the temperature sensor;
the analog-to-digital conversion circuit is used for converting the voltage to the frequency of the temperature signal processed by the differential signal processing circuit and then feeding the temperature signal back to the central control module.
Further, the specific processing method of the differential signal processing circuit includes:
converting, by an encoder, a plurality of bits corresponding to a transmission time interval among input data into an encoding code array; transmitting, by the encoder, one or more differential signals corresponding to the encoded code array to a transmitter; and sequentially transmitting, by the transmitter, the one or more differential signals over a plurality of transmission lines.
Further, the transmission time interval is a time obtained by increasing a coding unit time, within which each of the one or more differential signals is coded, by an integer multiple.
Further, the specific processing method of the analog-to-digital conversion circuit includes:
outputting square waves with the first frequency; modulating the square wave into a triangular wave with a wave peak value as a first voltage value and a frequency as the first frequency by using a triangular wave modulation circuit, so that a voltage comparator compares a voltage signal to be detected with the triangular wave to obtain a periodic rectangular pulse with the frequency as the first frequency; triggering a counter by utilizing an edge with a clock frequency as a second frequency to acquire the duty ratio of the periodic rectangular pulse; acquiring a second voltage value by using the duty ratio and the first voltage value; the second voltage value is a value obtained by performing analog-to-digital conversion on the voltage signal to be detected.
Further, the central control module control algorithm is as follows:
wherein: k is a sampling number, and k =1,2,3; u (k) is an output value at the kth sampling moment; e (k) is an input deviation value at the kth sampling moment; e (k-1) is an input deviation value at the sampling time of the k-1 st time; ki is an integral coefficient, and K i ＝K ρ T/T i ；K d Is a differential coefficient, and K d ＝K ρ T d /T。
Another object of the present invention is to provide an injection mold control terminal for implementing the injection mold control system of claim 1.
Another object of the present invention is to provide an injection mold control method using the injection mold control system, which specifically includes:
the method comprises the following steps: the real-time temperature signal detected by the temperature detection module is subjected to differential signal switching and amplification through the differential signal processing circuit, then is subjected to voltage-to-frequency conversion through the analog-to-digital conversion circuit, and then is fed back to the central control module;
step two: the central control module compares the temperature signal value sent by the temperature detection module with the preset temperature, calculates the temperature deviation and the deviation change rate, calculates the value through a control algorithm to obtain the on-off time ratio of the relay module, controls the on-off of the relay module and realizes the control of the work of the temperature heating module.
Another object of the present invention is to provide a computer apparatus comprising a memory and a processor, the memory storing a computer program which, when executed by the processor, causes the processor to execute the injection mold control method.
It is another object of the present invention to provide a computer-readable storage medium storing a computer program which, when executed by a processor, causes the processor to execute the injection mold control method.
In combination with the above technical solutions and the technical problems to be solved, please analyze the advantages and positive effects of the technical solutions to be protected in the present invention from the following aspects:
first, aiming at the technical problems existing in the prior art and the difficulty in solving the problems, the technical problems to be solved by the technical scheme of the present invention are closely combined with results, data and the like in the research and development process, and some creative technical effects are brought after the problems are solved. The specific description is as follows:
the real-time temperature signal that this application temperature detection module detected carries out the switching of difference signal and enlargies the back through difference signal processing circuit, through analog-to-digital conversion circuit, carries out the conversion of voltage to frequency, and the signal interference killing feature of output is strong like this, and the conversion precision is adjustable.
Secondly, considering the technical scheme as a whole or from the perspective of products, the technical effect and advantages of the technical scheme to be protected by the invention are specifically described as follows:
the invention can accurately monitor and analyze the temperature characteristic of the mold in real time, collect the temperatures of the mold in a plurality of time periods, and calculate the temperature change rate, thereby calculating the on-off time ratio of the relay module, further controlling the on-off of the relay module, realizing the control of the work of the temperature heating module, making quick response and greatly improving the quality of injection products.
Drawings
FIG. 1 is a schematic structural diagram of an injection mold control system according to an embodiment of the present invention;
FIG. 2 is a flowchart of a method for controlling an injection mold according to an embodiment of the present invention;
in the figure: 1. an injection mold module; 2. a relay module; 3. a temperature heating module; 4. a temperature detection module; 5. a central control module; 6. and a display module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
1. Illustrative embodiments are explained. This section is an illustrative example developed to explain the claims in order to enable those skilled in the art to fully understand how to implement the present invention.
As shown in fig. 1-2, an injection mold control system and a control method thereof are characterized in that the injection mold control system specifically comprises: the device comprises an injection mold module 1, a relay module 2, a temperature heating module 3, a temperature detection module 4, a central control module 5 and a display module 6;
the injection mold module 1 is connected with the temperature heating module 3 and the temperature detection module 4 and is used for performing mold injection work, when the mold injection work is performed, the injection mold module acquires real-time temperature data of the temperature heating module and the temperature detection module, whether the injection work is started or not is judged according to temperature information, when the temperature meets the injection temperature requirement, the injection mold module generates a starting electric signal instruction to the injection molding machine, the injection molding machine receives the electric signal instruction and transmits the instruction to an electric chip of the injection molding machine, and the electric chip stimulates the injection molding machine to start working;
the relay module 2 is connected with the central control module 5 and the temperature heating module 3 and used for switching on and off a relay according to an instruction of the central control module, and comprises a power supply line, a control circuit, a temperature control circuit, a protection circuit and a box removing circuit, wherein the power supply circuit is directly connected with an electric appliance plug and used for acquiring electric energy, the control circuit is used for controlling the whole circuit trend of the system device, the temperature control circuit is used for monitoring the temperature of the circuit, once the temperature exceeds an abnormal value, the temperature control circuit sends an electric signal to the central control module, the central control module is used for powering off the circuit, the protection circuit is used for protecting the circuit of the whole system device and is installed at a power supply inlet, once abnormal current is found, a protection program is started immediately for powering off the circuit;
the temperature heating module 3 is connected with the relay module 2 and used for controlling heating temperature according to the on-off of the relay module 2, firstly, temperature signals of output quantity are fed back to an input end in a negative feedback mode and are compared with error signals to form temperature feedback signals, the temperature feedback signals are transmitted to the central control module through the relay module, a server in the central control module analyzes the feedback signals, when the signals are in a set temperature range, the central control module does not send instructions, once the signals exceed the temperature range which is lower than the temperature range, the controller immediately sends temperature-rising instructions, and the temperature heating module receives the instructions and converts the instructions into electric signals to be transmitted to an electric chip of the heater;
the temperature detection module 4 is connected with the injection mold module 1 and the central control module 5 and is used for detecting the temperature of the injection mold module in real time, a resistance temperature sensor is adopted, the resistance value is increased along with the increase of the temperature based on the resistance value of the metal conductor, the resistance value is changed along with the rise of the temperature, the resistance value is made of a copper material by adopting a positive resistance coefficient, the resistance value is processed through a differential signal processing circuit, and the processed resistance value is converted by using an analog-to-digital conversion circuit to obtain the temperature of the injection mold module;
the central control module 5 is connected with the relay module 2 and the temperature detection module 4 and used for comparing a temperature signal value sent by the temperature detection module 4 with a preset temperature, calculating temperature deviation and deviation change rate, then calculating the value through a control algorithm to obtain an on-off time ratio of the relay module 2 so as to control the on-off of the relay module 2, and during control, the main controller collects data and requests transmitted by the modules and outputs the data and the requests to an output channel after analysis and processing; when each module needs analog quantity output, the instruction of the central control module is converted into a standard electric signal through a D/A converter to be output;
display module 6 is connected with temperature detection module 4 for show the temperature signal numerical value that temperature detection module 4 sent in real time, the staff of being convenient for monitors, and temperature detection module conveys information to display module with digital signal's form, and display module transmits digital signal into the display screen through the DVI interface, in order to supply to show.
The temperature detection module 4 comprises a temperature sensor, a differential signal processing circuit and an analog-to-digital conversion circuit;
the temperature sensor is used for detecting temperature;
the differential signal processing circuit is used for switching and amplifying differential signals of temperature signals of the temperature sensor;
the analog-to-digital conversion circuit is used for converting the voltage to the frequency of the temperature signal processed by the differential signal processing circuit and then feeding the temperature signal back to the central control module.
The specific processing method of the differential signal processing circuit comprises the following steps:
converting, by an encoder, a plurality of bits corresponding to a transmission time interval among input data into an encoding code array; transmitting, by the encoder, one or more differential signals corresponding to the array of encoded codes to a transmitter; and sequentially transmitting, by the transmitter, the one or more differential signals over a plurality of transmission lines.
The transmission time interval is a time obtained by increasing a coding unit time, within which each of the one or more differential signals is coded, by an integer multiple.
The specific processing method of the analog-to-digital conversion circuit comprises the following steps:
outputting square waves with the first frequency; modulating the square wave into a triangular wave with a wave peak value as a first voltage value and a frequency as the first frequency by using a triangular wave modulation circuit, so that a voltage comparator compares a voltage signal to be detected with the triangular wave to obtain a periodic rectangular pulse with the frequency as the first frequency; triggering a counter by utilizing an edge with a clock frequency as a second frequency to acquire the duty ratio of the periodic rectangular pulse; acquiring a second voltage value by using the duty ratio and the first voltage value; the second voltage value is a value obtained by performing analog-to-digital conversion on the voltage signal to be detected.
The control algorithm of the central control module is as follows:
wherein: k is the sample number, and k =1,2,3.; u (k) is an output value at the kth sampling time; e (k) is an input deviation value at the kth sampling moment; e (k-1) is an input deviation value at the sampling time of the k-1 st time; ki is an integral coefficient, and K i ＝K ρ T/T i ；K d Is a differential coefficient, and K d ＝K ρ T d /T。
2. Application examples. In order to prove the creativity and the technical value of the technical scheme of the invention, the part is an application example of the technical scheme of the claims to a specific product or related technology.
The injection mold control system is applied to an injection mold control terminal, and the injection mold control terminal is used for realizing the injection mold control system.
The invention applies the injection mold control method to the injection mold control method applying the injection mold control system, and the injection mold control method specifically comprises the following steps:
s101: the real-time temperature signal detected by the temperature detection module is subjected to differential signal switching and amplification through the differential signal processing circuit, then is subjected to voltage-to-frequency conversion through the analog-to-digital conversion circuit, and then is fed back to the central control module;
s102: the central control module compares the temperature signal value sent by the temperature detection module with the preset temperature, calculates the temperature deviation and the deviation change rate, calculates the value through a control algorithm to obtain the on-off time ratio of the relay module, controls the on-off of the relay module and realizes the control of the work of the temperature heating module.
The present invention applies an injection mold control method to a computer apparatus including a memory storing a computer program and a processor, the computer program causing the processor to execute the injection mold control method when executed by the processor.
The present invention applies an injection mold control method to a computer-readable storage medium storing a computer program which, when executed by a processor, causes the processor to execute the injection mold control method.
The working principle of the invention is as follows: the real-time temperature signal detected by the temperature detection module 4 is subjected to differential signal switching and amplification through the differential signal processing circuit, then is subjected to voltage-to-frequency conversion through the analog-to-digital conversion circuit, and then is fed back to the central control module 5; the central control module 5 compares the temperature signal value sent by the temperature detection module 4 with the preset temperature, calculates the temperature deviation and the deviation change rate, calculates the value through a control algorithm, obtains the on-off time ratio of the relay module 2, controls the on-off of the relay module, and controls the work of the temperature heating module 3.
It should be noted that the embodiments of the present invention can be realized by hardware, software, or a combination of software and hardware. The hardware portions may be implemented using dedicated logic; the software portions may be stored in a memory and executed by a suitable instruction execution system, such as a microprocessor or specially designed hardware. Those skilled in the art will appreciate that the apparatus and methods described above may be implemented using computer executable instructions and/or embodied in processor control code, such code being provided on a carrier medium such as a disk, CD-or DVD-ROM, programmable memory such as read only memory (firmware), or a data carrier such as an optical or electronic signal carrier, for example. The apparatus of the present invention and its modules may be implemented by hardware circuits such as very large scale integrated circuits or gate arrays, semiconductors such as logic chips, transistors, or programmable hardware devices such as field programmable gate arrays, programmable logic devices, or software executed by various types of processors, or a combination of hardware circuits and software, e.g., firmware.
The above description is only for the purpose of illustrating the embodiments of the present invention, and the scope of the present invention should not be limited thereto, and any modifications, equivalents and improvements made by those skilled in the art within the technical scope of the present invention as disclosed in the present invention should be covered by the scope of the present invention.
Claims (10)
1. An injection mold control system and a control method are characterized in that the injection mold control system specifically comprises: the device comprises an injection mold module, a relay module, a temperature heating module, a temperature detection module, a central control module and a display module;
the injection mold module is connected with the temperature heating module and the temperature detection module and used for performing mold injection molding work, when the mold injection work is performed, the injection mold module acquires real-time temperature data of the temperature heating module and the temperature detection module, whether the mold injection work is performed is judged according to temperature information, when the temperature meets the injection temperature requirement, the injection mold module generates a starting electric signal instruction to the injection molding machine, the injection molding machine receives the electric signal instruction and transmits the instruction to an electric chip of the injection molding machine, and the electric chip stimulates the injection molding machine to start working;
the relay module is connected with the central control module and the temperature heating module and used for switching on and off a relay according to an instruction of the central control module, and comprises a power supply line, a control circuit, a temperature control circuit, a protection circuit and a box removing circuit, wherein the power supply circuit is directly connected with an electric appliance plug and used for acquiring electric energy, the control circuit is used for controlling the whole circuit trend of the system device, the temperature control circuit is used for monitoring the temperature of the circuit, once the temperature exceeds an abnormal value, the temperature control circuit sends an electric signal to the central control module, the central control module is used for powering off the circuit, the protection circuit is used for protecting the circuit of the whole system device, the relay module is installed at a power supply inlet, and once abnormal current is found, a protection program is started immediately for powering off;
the temperature heating module is connected with the relay module and used for controlling heating temperature according to the on-off of the relay module, firstly, temperature signals of output quantity are fed back to an input end in a negative feedback mode and are compared with error signals to form temperature feedback signals, the temperature feedback signals are transmitted to the central control module through the relay module, a server in the central control module analyzes the feedback signals, when the signals are in a set temperature range, the central control module does not send out instructions, once the signals exceed the temperature range which is lower than the temperature range, the controller immediately sends out heating instructions, and the temperature heating module receives the instructions and converts the instructions into electric signals to be transmitted to an electric chip of the heater;
the temperature detection module is connected with the injection mold module and the central control module and used for detecting the temperature of the injection mold module in real time, a resistance temperature sensor is adopted, the resistance value is increased along with the increase of the temperature based on the metal conductor, the resistance value is changed along with the rise of the temperature, the positive resistance coefficient is adopted and is made of a copper material, the resistance value is processed through a differential signal processing circuit, and the processed resistance value is converted through an analog-to-digital conversion circuit to obtain the temperature of the injection mold module;
the central control module is connected with the relay module and the temperature detection module and used for comparing a temperature signal value sent by the temperature detection module with a preset temperature, calculating temperature deviation and deviation change rate, then calculating the value through a control algorithm to obtain the on-off time ratio of the relay module and further control the on-off of the relay module, and during control, the main controller collects data and requests transmitted by the modules and outputs the data and the requests to an output channel after analysis and processing; when each module needs analog quantity output, the instruction of the central control module is converted into a standard electric signal through a D/A converter to be output;
the display module is connected with the temperature detection module and used for displaying temperature signal values sent by the temperature detection module in real time, so that workers can monitor the temperature signal values, the temperature detection module transmits information to the display module in a digital signal form, and the display module transmits the digital signal to a display screen through a DVI (digital visual interface) for displaying.
2. The injection mold control system of claim 1, wherein the temperature detection module comprises a temperature sensor, a differential signal processing circuit, an analog-to-digital conversion circuit;
the temperature sensor is used for detecting temperature;
the differential signal processing circuit is used for switching and amplifying differential signals of temperature signals of the temperature sensor;
the analog-to-digital conversion circuit is used for converting the voltage to the frequency of the temperature signal processed by the differential signal processing circuit and then feeding the temperature signal back to the central control module.
3. The injection mold control system of claim 2, wherein the differential signal processing circuit specific processing method comprises:
converting, by an encoder, a plurality of bits corresponding to a transmission time interval among input data into an encoding code array; transmitting, by the encoder, one or more differential signals corresponding to the array of encoded codes to a transmitter; and sequentially transmitting, by the transmitter, the one or more differential signals over a plurality of transmission lines.
4. The injection mold control system according to claim 3, wherein the transmission time interval is a time obtained by increasing a coding unit time, within which each of the one or more differential signals is coded, by an integral multiple times.
5. An injection mold control system as claimed in claim 2, wherein the specific processing method of the analog-to-digital conversion circuit comprises:
outputting square waves with a first frequency; modulating the square wave into a triangular wave with a wave peak value as a first voltage value and a frequency as the first frequency by using a triangular wave modulation circuit, so that a voltage comparator compares a voltage signal to be detected with the triangular wave to obtain a periodic rectangular pulse with the frequency as the first frequency; triggering a counter by utilizing an edge with a clock frequency as a second frequency to acquire the duty ratio of the periodic rectangular pulse; acquiring a second voltage value by using the duty ratio and the first voltage value; the second voltage value is a value obtained by performing analog-to-digital conversion on the voltage signal to be detected.
6. An injection mold control system as claimed in claim 1 wherein said central control module control algorithm is as follows:
wherein: k is the sample number, and k =1,2,3.; u (k) is an output value at the kth sampling time; e (k) is an input deviation value at the kth sampling moment; e (k-1) is an input deviation value at the sampling time of the k-1 st time; ki is an integral coefficient, and K i ＝K ρ T/T i ；K d Is a differential coefficient, and K d ＝K ρ T d /T。
7. An injection mold control terminal, characterized in that the injection mold control terminal is configured to implement the injection mold control system of claim 1.
8. An injection mold control method using the injection mold control system of any one of claims 1~6, the injection mold control method comprising:
the method comprises the following steps: the real-time temperature signal detected by the temperature detection module is subjected to differential signal switching and amplification through the differential signal processing circuit, is subjected to voltage-to-frequency conversion through the analog-to-digital conversion circuit, and is fed back to the central control module;
step two: the central control module compares the temperature signal value sent by the temperature detection module with the preset temperature, calculates the temperature deviation and the deviation change rate, calculates the value through a control algorithm to obtain the on-off time ratio of the relay module, controls the on-off of the relay module and realizes the control of the work of the temperature heating module.
9. A computer device, characterized in that the computer device comprises a memory and a processor, the memory storing a computer program which, when executed by the processor, causes the processor to execute the injection mold control method.
10. A computer-readable storage medium storing a computer program which, when executed by a processor, causes the processor to execute the injection mold control method.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211484656.6A CN115871185A (en) | 2022-11-24 | 2022-11-24 | Injection mold control system and control method |
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| CN202211484656.6A CN115871185A (en) | 2022-11-24 | 2022-11-24 | Injection mold control system and control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117767569A (en) * | 2023-12-27 | 2024-03-26 | 国网黑龙江省电力有限公司大庆供电公司 | Remote control system based on relay |
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- 2022-11-24 CN CN202211484656.6A patent/CN115871185A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117767569A (en) * | 2023-12-27 | 2024-03-26 | 国网黑龙江省电力有限公司大庆供电公司 | Remote control system based on relay |
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Application publication date: 20230331 |