A throttle reduction method and system based on visual and speed coupling

Abstract

The application discloses a kind of based on visual and speed coupling's method and system of saving energy by reducing air resistance, which comprises: video acquisition is carried out to cigarette packer pressure gauge, and according to the video image of pressure gauge, the pressure gauge reading is identified, and then is stored in the air pressure database of industrial computer;The running frequency and running current of cigarette packer motor are obtained by motor frequency converter, and are stored in the equipment state database of industrial computer;Industrial computer is provided with fitting algorithm, and the corresponding data in the air pressure database and the equipment state database is fitted;Industrial computer adjusts the proportional regulating valve of positive pressure and negative pressure pipeline outlet according to the fitting value fitted, so that air pressure supply follows the running state of equipment and is adjusted.The application can improve the intelligence of the air pressure supply system of packer, and reduce the energy loss of equipment running.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cigarette packaging machine air supply control, and more particularly to an air saving and consumption reducing method and system based on vision and machine speed coupling. BACKGROUND

[0002] The existing cigarette packaging machine will be shut down for processing problems due to equipment and quality reasons during operation, and the shutdown duration is about 30 minutes. During the shutdown process, the positive pressure and negative pressure of the equipment are in full-speed supply state. Since the air pressure control is manually controlled by mechanical pressure reducing valve, overflow valve and other manual control devices and is isolated from the packaging machine operation control system, when the equipment is shut down, the supply of the air pressure supply system will not be reduced or interrupted according to the machine state, causing the loss of air pressure. Moreover, the pressure supply will not be dynamically adjusted according to the machine operation state, resulting in energy loss. Therefore, how to control the air pressure supply of the cigarette packaging machine according to the equipment operation state to reduce energy loss is of great significance. SUMMARY

[0003] The present application provides an air saving and consumption reducing method and system based on vision and machine speed coupling, which solves the problem that the air pressure supply of the existing cigarette packaging machine cannot be adjusted according to the equipment operation state, which is easy to cause energy loss, and improves the intelligence of the air pressure supply system of the packaging machine and reduces the energy loss of the equipment operation.

[0004] To achieve the above purpose, the present application provides the following technical scheme:

[0005] An air saving and consumption reducing method based on vision and machine speed coupling, comprising:

[0006] Video acquisition is performed on the pressure gauge of the cigarette packaging machine, and the pressure gauge reading is identified according to the video image of the pressure gauge, and then stored in the air pressure database of the industrial computer;

[0007] The running frequency and running current of the motor of the cigarette packaging machine are obtained through the motor frequency converter, and stored in the equipment state database of the industrial computer;

[0008] The industrial computer is provided with a fitting algorithm, and the corresponding data in the air pressure database and the equipment state database are fitted;

[0009] The industrial computer adjusts the proportional regulating valve at the outlet of the positive pressure and negative pressure pipeline according to the fitted value, so that the air pressure supply is adjusted according to the equipment operation state.

[0010] Preferably, it further comprises:

[0011] A packaging machine running speed and air pressure corresponding table is set, and the industrial computer controls the opening degree of the proportional regulating valve according to the corresponding table to adjust the air pressure supply.

[0012] Preferably, the cigarette packaging machine pressure gauge is video collected, and the pressure gauge reading is recognized according to the pressure gauge video image, comprising:

[0013] Collecting pressure gauge images of different angles, different scales and different brightnesses;

[0014] Setting a neural network image recognition model, and importing the pressure gauge image into the neural network image recognition model for training, so as to be used for recognizing the pressure gauge reading.

[0015] Preferably, the cigarette packaging machine pressure gauge is video collected, and the pressure gauge reading is recognized according to the pressure gauge video image, further comprising:

[0016] Collecting pressure gauge images of digital pressure gauges and pointer pressure gauges, and performing gray scale processing on the pressure gauge images, and then recognizing the pressure gauge reading through OCR.

[0017] Preferably, the corresponding data in the air pressure database and the equipment state database is fitted, comprising:

[0018] The corresponding pressure gauge reading, the running frequency and the running current are fitted.

[0019] Preferably, the air pressure supply is adjusted according to the running state of the equipment, comprising:

[0020] When the running frequency or the running current is 0, the air pressure value is controlled to decrease to the basic running air pressure of the packaging machine.

[0021] The application also provides a visual and machine speed coupling-based air saving and consumption reducing system, which uses the above-mentioned air saving and consumption reducing method, comprising: a visual recognition device, an industrial computer, a PLC controller and a proportional regulating valve.

[0022] The industrial computer is signal connected with the visual recognition device, the PLC controller and the proportional regulating valve respectively.

[0023] The visual recognition device is arranged at the pressure gauge of the cigarette packaging machine, and is used for taking visual images of the pressure gauge and recognizing the pressure gauge reading.

[0024] The proportional regulating valve is arranged at the outlet of the positive pressure pipeline and the negative pressure pipeline, and is used for adjusting the air pressure value of the positive pressure and the negative pressure of the packaging machine.

[0025] The PLC controller is signal connected with the motor frequency converter of the cigarette packaging machine, so as to obtain the running frequency and the running current of the motor.

[0026] The industrial computer is provided with a fitting algorithm, which fits the pressure gauge reading, the running frequency and the running current, and controls the opening degree of the proportional regulating valve according to the fitting value obtained, so that the air pressure supply is adjusted according to the motor running state.

[0027] Preferably, the visual recognition device comprises an industrial camera and an image processor.

[0028] The image processor is in signal connection with the industrial camera, and is provided with a neural network image recognition model and an OCR recognition algorithm, so as to recognize and train the pressure gauge image collected by the industrial camera, and recognize the pressure gauge reading.

[0029] Preferably, the industrial computer is provided with an air pressure database and a device state database, and the pressure gauge reading is stored in the air pressure database, and the running frequency and the running current are stored in the device state database.

[0030] Preferably, the cloud is further included.

[0031] The industrial computer is in communication connection with the cloud, and synchronously uploads the air pressure database and the device state database to the cloud.

[0032] The present application provides a kind of based on visual and machine speed coupling's method and system of saving gas and reducing consumption, video acquisition is carried out to pressure gauge of cigarette packaging machine, and pressure gauge reading is recognized, the running frequency and the running current of motor frequency converter are obtained, and the positive pressure and the negative pressure of packaging machine are regulated by industrial computer according to the fitting value of pressure gauge reading, running frequency and running current, so that air pressure supply is adjusted along with the running state of equipment.Solve the problem that the air pressure supply of existing cigarette packaging machine cannot be adjusted along with the running state of equipment, easily cause energy loss, can improve the intelligence of the air pressure supply system of packaging machine, reduce the energy loss of equipment operation. BRIEF DESCRIPTION OF DRAWINGS

[0033] In order to more clearly illustrate the specific embodiments of the present application, the following will briefly introduce the drawings needed in the embodiments.

[0034] Figure 1 It is a kind of based on visual and machine speed coupling's method of saving gas and reducing consumption provided by the present application.

[0035] Figure 2 It is a kind of based on visual and machine speed coupling's saving gas and reducing consumption system provided by the present application. DETAILED DESCRIPTION

[0036] In order to make the personnel in the technical field better understand the scheme of the embodiments of the present application, the embodiments of the present application will be further described in detail below in combination with the drawings and embodiments.

[0037] The air pressure supply of the current cigarette packaging machine cannot be adjusted according to the equipment state, and the application provides an air-saving and energy-reducing method and system based on visual and machine speed coupling, solves the problem that the air pressure supply of the existing cigarette packaging machine cannot be adjusted according to the equipment running state, and energy loss is easy to occur, can improve the intelligence of the air pressure supply system of the packaging machine, and reduce the energy loss of the equipment running.

[0038] As shown in Figure 1 An air-saving and energy-reducing method based on visual and machine speed coupling, comprising:

[0039] S1: Video acquisition is performed on the pressure gauge of the cigarette packaging machine, and the pressure gauge reading is identified according to the video image of the pressure gauge, and then stored in the air pressure database of the industrial computer.

[0040] S2: The running frequency and running current of the motor of the cigarette packaging machine are obtained through the motor frequency converter, and are stored in the equipment state database of the industrial computer.

[0041] S3: The industrial computer is provided with a fitting algorithm, and the corresponding data in the air pressure database and the equipment state database are fitted.

[0042] S4: The industrial computer adjusts the proportional regulating valve at the outlet of the positive pressure and negative pressure pipeline according to the fitting value obtained by fitting, so that the air pressure supply is adjusted according to the equipment running state.

[0043] Specifically, a visual recognition device is installed at the position of the packaging machine pressure gauge, and the values of the mechanical pointer type pressure gauge and the digital type pressure gauge are identified in real time. The identified values are stored in the air pressure database of the industrial computer. The frequency, voltage, current and other data of the motor frequency converter are retrieved through the PLC and stored in the equipment state database, and the air pressure database and the equipment state database are fitted so that when the frequency or current is 0, the proportional regulating valve installed at the outlet of the positive pressure and negative pressure pipeline is adjusted, the air pressure value is reduced to the basic running air pressure of the packaging machine, and finally the air pressure changes with the change of the machine running state, and when the machine speed is 0, the positive and negative pressure state is reduced to the basic pressure state. The method can improve the intelligence of the air pressure supply system of the packaging machine, and reduce the energy loss of the equipment running.

[0044] The method further comprises: setting a packaging machine running speed and air pressure corresponding table, and the industrial computer controls the opening degree of the proportional regulating valve according to the corresponding table to adjust the air pressure supply.

[0045] In actual application, the industrial computer controls the air pressure value of the positive and negative pressure according to the pressure gauge reading, reduces the air pressure to the basic air pressure when the air pressure is at a high level and the machine speed of the packaging machine is at the lowest or 0, and reduces the air pressure to the maintenance air pressure (0.35mpa) when the machine speed is 0 for more than 3 minutes. The specific corresponding threshold values are shown in Table 1.

[0046]

[0047] Further, the video of the cigarette packaging machine pressure gauge is collected, and the pressure gauge reading is recognized according to the pressure gauge video image, comprising:

[0048] Collecting pressure gauge images of different angles, different scales and different brightnesses;

[0049] Setting a neural network image recognition model, and importing the pressure gauge image into the neural network image recognition model for training, so as to identify the pressure gauge reading.

[0050] Further, the video of the cigarette packaging machine pressure gauge is collected, and the pressure gauge reading is recognized according to the pressure gauge video image, further comprising:

[0051] Collecting pressure gauge images of digital pressure gauges and pointer pressure gauges, and performing gray scale processing on the pressure gauge images, and then identifying the pressure gauge reading through OCR.

[0052] In practical application, the data of the pointer pressure gauge and the data of the digital pressure gauge are monitored in real time through the industrial camera, and are recognized through the neural network and OCR and visual processing methods such as gray scale processing. The specific processing process is as follows:

[0053] Collecting digital and pointer pressure gauge pictures of different angles, different scales and different brightnesses, and importing them into the CNN neural network for training. The numerical value and the number of stacked layers are continuously adjusted to accurately identify and distinguish the digital and pointer pressure gauge pictures, and respectively enter different processes.

[0054] Pointer pressure gauge recognition structure building: the picture of the pointer instrument is binarized and gray scale processed to maximize the picture definition and features. The OCR recognizes the digital after gray scale processing, and recognizes the digital interval with the pointer line. According to the equal interval of the distance between adjacent scale numbers, the starting number and the ending number of the recognized interval are read, and the reading of the pressure gauge is estimated according to the distance ratio between the scale lines in the two numbers, and is recorded in the database.

[0055] The digital pressure gauge is directly recognized by the OCR after gray scale processing, and the reading is recorded in the database.

[0056] Further, the corresponding data in the air pressure database and the equipment state database is fitted, comprising:

[0057] The corresponding pressure gauge reading, running frequency and running current are fitted.

[0058] Further, the air pressure supply is adjusted according to the running state of the equipment, comprising:

[0059] When the operating frequency or the operating current is 0, the air pressure value is reduced to the basic operating air pressure of the packaging machine.

[0060] It can be seen that the application provides a visual and machine speed coupling-based air saving and consumption reducing method, video of a pressure gauge of a cigarette packaging machine is collected, and a pressure gauge reading is recognized, operating frequency and operating current of a motor of the cigarette packaging machine are acquired through a motor frequency converter, and an industrial computer adjusts air pressure values of positive pressure and negative pressure of the packaging machine according to fitting values of the pressure gauge reading, the operating frequency and the operating current, so that air supply is adjusted according to a running state of the equipment. The air supply of the existing cigarette packaging machine cannot be adjusted according to the running state of the equipment, which easily causes energy loss, the application can improve the intelligence of the air supply system of the packaging machine and reduce energy loss during equipment running.

[0061] Correspondingly, as shown in Figure 2 The application also provides a visual and machine speed coupling-based air saving and consumption reducing system using the above-mentioned air saving and consumption reducing method, and the system comprises a visual recognition device, an industrial computer, a PLC controller and a proportional regulating valve. The industrial computer is signal-connected with the visual recognition device, the PLC controller and the proportional regulating valve. The visual recognition device is arranged at the pressure gauge of the cigarette packaging machine, is used for taking a visual image of the pressure gauge and recognizing a pressure gauge reading. The proportional regulating valve is arranged at outlets of positive pressure and negative pressure pipelines, and is used for adjusting air pressure values of positive pressure and negative pressure of the packaging machine. The PLC controller is signal-connected with a motor frequency converter of the cigarette packaging machine, so as to acquire operating frequency and operating current of the motor. The industrial computer is provided with a fitting algorithm, fits the pressure gauge reading, the operating frequency and the operating current, and controls the opening degree of the proportional regulating valve according to the fitting values, so that air supply is adjusted according to the running state of the motor.

[0062] Further, the visual recognition device comprises an industrial camera and an image processor, the image processor is signal-connected with the industrial camera, the image processor is provided with a neural network image recognition model and an OCR recognition algorithm, so as to recognize and train the pressure gauge image collected by the industrial camera, and recognize a pressure gauge reading.

[0063] Further, the industrial computer is provided with an air pressure database and an equipment state database, the pressure gauge reading is stored in the air pressure database, and the operating frequency and the operating current are stored in the equipment state database.

[0064] The system further comprises a cloud, the industrial computer is communication-connected with the cloud, and the air pressure database and the equipment state database are synchronously uploaded to the cloud.

[0065] It can be seen that the application provides a kind of air consumption reduction system based on visual and speed coupling, video acquisition is carried out on pressure gauge of cigarette packaging machine, and pressure gauge reading is obtained by identification, running frequency and running current of motor of cigarette packaging machine are obtained by motor frequency converter, and air pressure value of positive pressure and negative pressure of packaging machine is adjusted according to fitting value of pressure gauge reading, running frequency and running current by industrial computer, so that air pressure supply is adjusted following equipment running state.Solve the problem that air pressure supply of existing cigarette packaging machine cannot be adjusted following equipment running state, which is easy to cause energy loss, can improve the intelligence of air pressure supply system of packaging machine, and reduce energy loss of equipment running.

[0066] The above describes the structure, features and effects of the application according to the embodiments shown in the drawings. The above description is only the preferred embodiments of the application, but the application is not limited to the embodiments shown in the drawings. Any changes or modifications made in accordance with the concept of the application, or equivalent embodiments with equivalent changes, are still within the scope of the application.

Claims

1. A method for saving fuel and reducing energy consumption based on vision and engine speed coupling, characterized in that, include: Video capture is performed on the pressure gauges of the cigarette packaging machine, and the pressure gauge readings are identified based on the video images of the pressure gauges and then stored in the air pressure database of the industrial control computer. The operating frequency and current of the cigarette packaging machine motor are obtained through the motor frequency converter and stored in the equipment status database of the industrial control computer. The industrial control computer is equipped with a fitting algorithm to fit the corresponding data in the air pressure database and the equipment status database; The industrial control computer adjusts the proportional regulating valves at the positive and negative pressure pipeline outlets based on the fitted values, so that the air pressure supply is adjusted according to the operating status of the equipment.

2. The energy-saving and consumption-reducing method based on vision and speed coupling according to claim 1, characterized in that, Also includes: A table showing the correspondence between the packaging machine's operating speed and air pressure is set up. The industrial control computer controls the opening of the proportional regulating valve according to the table to adjust the air pressure supply.

3. The energy-saving and consumption-reducing method based on vision and speed coupling according to claim 2, characterized in that, The process of capturing video of the pressure gauge on the cigarette packaging machine and identifying the pressure gauge reading based on the video image includes: Collect pressure gauge images from different angles, scales, and brightness levels; A neural network image recognition model is set up, and pressure gauge images are imported into the neural network image recognition model for training in order to recognize pressure gauge readings.

4. The energy-saving and consumption-reducing method based on vision and speed coupling according to claim 3, characterized in that, The method of video capturing of the pressure gauge of the cigarette packaging machine and identifying the pressure gauge reading based on the video image also includes: Images of digital and pointer pressure gauges are acquired, and the images are processed into grayscale. The pressure gauge readings are then identified using OCR.

5. The energy-saving and consumption-reducing method based on vision and speed coupling according to claim 4, characterized in that, The fitting of corresponding data in the air pressure database and the equipment status database includes: The corresponding pressure gauge readings, operating frequency, and operating current are fitted together.

6. The energy-saving and consumption-reducing method based on vision and speed coupling according to claim 5, characterized in that, The air pressure supply is adjusted according to the operating status of the equipment, including: When the operating frequency or the operating current is 0, the control air pressure value is reduced to the basic operating air pressure of the packaging machine.

7. A fuel-saving and energy-reducing system based on vision and speed coupling, using the fuel-saving and energy-reducing method described in any one of claims 1 to 6, characterized in that, include: Vision recognition devices, industrial computers, PLC controllers, and proportional control valves; The industrial computer is connected to the vision recognition device, the PLC controller, and the proportional control valve via signals. The visual recognition device is installed at the pressure gauge of the cigarette packaging machine to capture visual images of the pressure gauge and identify the pressure gauge reading. The proportional control valve is installed at the outlet of the positive pressure pipeline and the negative pressure pipeline to adjust the positive and negative pressure values ​​of the packaging machine. The PLC controller is connected to the motor frequency converter of the cigarette packaging machine to obtain the motor's operating frequency and operating current. The industrial control computer is equipped with a fitting algorithm to fit the pressure gauge reading, the operating frequency and the operating current, and controls the opening of the proportional regulating valve according to the obtained fitting value so that the air pressure supply is adjusted according to the motor operating status.

8. The fuel-saving and energy-reducing system based on vision and speed coupling according to claim 7, characterized in that, The visual recognition device includes: an industrial camera and an image processor; The image processor is connected to the industrial camera signal. The image processor is equipped with a neural network image recognition model and an OCR recognition algorithm to train the recognition of pressure gauge images acquired by the industrial camera and to identify the pressure gauge readings.

9. The fuel-saving and energy-efficient system based on vision and speed coupling according to claim 8, characterized in that, The industrial control computer is equipped with a pressure database and an equipment status database. The pressure gauge readings are stored in the pressure database, and the operating frequency and operating current are stored in the equipment status database.

10. The energy-saving and consumption-reducing system based on vision and speed coupling according to claim 9, characterized in that, Also includes: Cloud; The industrial control computer communicates with the cloud and synchronously uploads the air pressure database and the equipment status database to the cloud.

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