阅读说明：本技术 一种无外加控制线的开关控制系统及方法 (Switch control system and method without additional control line ) 是由 黄中华 李杨 于 2021-07-13 设计创作，主要内容包括：本发明公开了一种无外加控制线的开关控制系统及方法,包括：终端控制模块用于实现工业生产设备的开关和控制；无线通信模块用于通过无线通信方式进行信号传递；电源控制模块用于控制工业生产设备与外界电源端的连接实现工业生产设备的开关；有线通信模块用于通过载波通信方式实现信号传递；控制模块用于监控工业生产设备的工作状态以及下达控制指令；访问终端用于访问控制模块实现远程监控。上述技术方案通过无线通信模块实现对工业设备的开关及基本操作控制,同时基于工业设备的外接电源线路实现载波通信控制工业设备的开关,增强远程控制的可靠性,优化工业生产的统一控制,同时大大简化工业生产现场的线路布局。(The invention discloses a switch control system and method without an external control line, which comprises the following steps: the terminal control module is used for realizing the switching and control of industrial production equipment; the wireless communication module is used for carrying out signal transmission in a wireless communication mode; the power supply control module is used for controlling the connection between the industrial production equipment and an external power supply end to realize the switching on and off of the industrial production equipment; the wired communication module is used for realizing signal transmission in a carrier communication mode; the control module is used for monitoring the working state of the industrial production equipment and issuing a control instruction; the access terminal is used for accessing the control module to realize remote monitoring. According to the technical scheme, the switch and the basic operation control of the industrial equipment are realized through the wireless communication module, meanwhile, the switch of the industrial equipment is controlled through carrier communication based on the external power supply circuit of the industrial equipment, the reliability of remote control is enhanced, the unified control of industrial production is optimized, and meanwhile, the circuit layout of an industrial production field is greatly simplified.)

1. A switch control system without an external control line, comprising:

the terminal module (1) is used for realizing the switching and the control of industrial production equipment and is connected with the wireless communication module (2);

the wireless communication module (2) is used for carrying out signal transmission in a wireless communication mode and is connected with the control module (5);

the power supply control module (3) is used for controlling the connection between the industrial production equipment and an external power supply end to realize the switching of the industrial production equipment and is connected with the wired communication module (4);

the wired communication module (4) is used for realizing signal transmission in a carrier communication mode and is connected with the control module (5);

the control module (5) is used for monitoring the working state of the industrial production equipment and issuing a control instruction;

and the access terminal (6) is used for accessing the control module (5) to realize remote monitoring and is in wireless connection with the control module (5).

2. The switch control system without an additional control line according to claim 1, wherein the wired communication module (4) comprises a zero-crossing detection circuit (4.2), a signal transmission circuit (4.3), a signal coupling circuit (4.4), a signal receiving filter circuit (4.5) and a zero-crossing synchronization circuit (4.6) which are connected in sequence, an input control end of the signal coupling circuit (4.4) is connected with the control module (5), and an input end of the zero-crossing detection circuit (4.2) and an output end of the zero-crossing synchronization circuit (4.6) are connected with the power supply control module (3) through carrier (4.1) signals.

3. The switch control system without an additional control line as claimed in claim 1, wherein the power control module (3) comprises an electric switch and a power collecting unit arranged between the industrial production equipment and an external power supply end.

4. The switch control system and method without an additional control line according to claim 1, wherein the wireless communication module (2) comprises a ZigBee communication unit, and a power supply filtering unit, a communication interface unit and an antenna which are respectively connected with the ZigBee communication unit.

5. The switch control system without an additional control line as claimed in claim 1, wherein the terminal module (1) comprises a terminal control module and a terminal monitoring module which are connected with a control panel of an industrial production device, and the terminal monitoring module comprises a power acquisition unit, an analog-to-digital conversion unit, an operational amplification unit and an output unit which are connected in sequence.

6. The switch control system without an additional control line as claimed in claim 4, wherein the control module (5) comprises a wireless signal receiving module, a signal processing module and a signal analysis module which are connected in sequence, the wireless signal receiving module is wirelessly connected with an antenna, the signal processing module is connected with the input control end of the signal coupling circuit (4.4), and the signal analysis module is connected with the alarm module.

7. A switch control method without an external control line is characterized by comprising the following steps:

s1, acquiring operation data of the industrial production equipment through a terminal monitoring module;

s2, the staff sends out a control instruction through the control module (5) and the wireless communication module (2);

s3, judging whether the control instruction runs smoothly according to the feedback information;

s4, if the control instruction fails to operate, controlling the on-off of the industrial production equipment through the wired communication module (4) and the power supply control module (3);

s5, the alarm module works at the same time, and the staff is informed to maintain the wireless communication module (2).

8. The switch control method without an additional control line according to claim 7, wherein the step S1 is that the terminal monitoring module collects the operation data of the industrial production equipment and transmits the operation data to the wireless signal receiving module of the control module (5) through the wireless communication module (2), the data is preprocessed through the signal processing module and the data analysis result is obtained through the signal analysis module, if the result is abnormal, the alarm module works to send out alarm information and notify the worker.

Technical Field

The invention relates to the technical field of power communication, in particular to a switch control system and method without an external control line.

Background

Tobacco, annual or limited perennial herbs, solanaceae. The plant is glandular hair and stem height is 0.7-2 m. The petioles are not obvious or are wing-shaped. The panicle grows from the top. Calyx cylindrical or cylindrical bell shape, funnel shape of corolla, and pink end. Capsule, seed round or broad rectangle round, tan. Native to south america, there is cultivation around the world. Tobacco leaves are a raw material for the tobacco industry. In the tobacco leaf processing process, a heat pump dryer is generally adopted to dry the tobacco leaves, the heat pump dryer is a heat lifting device, a high-temperature heat pump dryer unit utilizes the inverse Carnot principle to absorb heat from the surrounding environment and transfer the heat to a heated object, and the heat pump dryer unit is mainly applied to the drying and dehydrating processes of food, medicinal materials, wood, agricultural and sideline products, industrial products and the like.

With the rapid development of modern home, in order to save the complicated steps of switch wiring, wireless control switches (such as a doorbell button switch and a door opening and closing button switch) are appeared on the market for controlling controlled equipment, a button of the wireless control switch is used for driving an internal power generation module to generate electric energy when being pressed, the generated electric energy supplies power to a signal processing device, and the signal processing device transmits a wireless signal to the controlled equipment so that the controlled equipment executes corresponding actions.

Traditional remote switch controlgear needs equipment such as integrated control ware, long-range wireless transceiver module just can accomplish control operation, and controller and long-range wireless transceiver module all need dispose in personnel control one end and remote switch one end, combine other electric circuit and component simultaneously, and the structure volume of whole equipment is great, electric parts is more, and whole equipment design is relatively complicated with the realization, and the energy consumption is also relatively higher.

There is the data to show, current wireless switch often is to intelligent house type, lacks the suitability in the face of industrial production equipment, and industrial production equipment is because of its demand in the aspect of the energy supply, can't need not external power supply directly with the battery energy supply like the small-size equipment, and in the face of this kind of production process that requires height to accurate control such as time, temperature, humidity of tobacco leaf stoving, there is hidden danger in the single control mode, if the control time deviation appears, very easily causes the loss of a large amount of resources extravagant. Therefore, aiming at industrial production equipment needing external power supply, the unified control of industrial production is optimized by realizing remote control on the basis of not additionally arranging a control circuit, and meanwhile, the circuit layout of industrial production is greatly simplified.

Chinese patent document CN108646611A discloses a "wireless control switch". The control system is adopted, and the control system is respectively connected with a TFT display screen for displaying the intelligent equipment corresponding to the family, a capacitive touch screen for controlling editing operation, a WIFI module and a Bluetooth module, and the invention has the beneficial effects that: 1, the installation is convenient, and the device can be installed at any 86 box position with a socket; simplifying wiring, and controlling the on-off of the equipment through WiFi or Bluetooth; 2, the operation is convenient, and other equipment cannot be started by mistake; and (3) touch control of the capacitive touch screen and TFT liquid crystal display, and corresponding equipment can be switched on and off only by clicking a corresponding equipment icon. The technical scheme is difficult to adapt to industrial production equipment, and the reliability of single wireless control is insufficient.

Disclosure of Invention

The invention mainly solves the technical problem that the reliability of the original technical scheme is insufficient by only adopting single wireless control, and provides a switch control system and a method without an external control line.

The technical problem of the invention is mainly solved by the following technical scheme:

a switch control system without an external control line, comprising:

the terminal module is used for realizing the switching and the control of industrial production equipment and is connected with the wireless communication module;

the wireless communication module is used for carrying out signal transmission in a wireless communication mode and is connected with the control module;

the power supply control module is used for controlling the connection between the industrial production equipment and an external power supply end to realize the switching of the industrial production equipment and is connected with the wired communication module;

the wired communication module is used for realizing signal transmission in a carrier communication mode and is connected with the control module;

the control module is used for monitoring the working state of the industrial production equipment and issuing a control instruction;

and the access terminal is used for accessing the control module to realize remote monitoring and is in wireless connection with the control module.

Preferably, the wired communication module comprises a zero-crossing detection circuit, a signal sending circuit, a signal coupling circuit, a signal receiving filter circuit and a zero-crossing synchronization circuit which are connected in sequence, an input control end of the signal coupling circuit is connected with the control module, and an input end of the zero-crossing detection circuit and an output end of the zero-crossing synchronization circuit are connected with the power supply control module through carrier signals. The carrier wave judges sampling time through a zero-crossing detection circuit, and signals to be transmitted are sent through a signal sending circuit and are coupled to an electric wire through a signal coupling circuit for transmission; the information transmitted on the wire is also transmitted to the signal receiving filter circuit and the zero-crossing synchronization circuit through the signal coupling circuit, so that the information is transmitted in two directions, and the carrier sampling has the characteristic of stability.

Preferably, the power control module comprises an electric switch and a power acquisition unit which are arranged between the industrial production equipment and an external power supply end. The power acquisition unit is used for realizing the collection of external power data, and the electric switch that sets up between industrial production equipment and external power end is used for receiving the switching of carrier signal control industrial production equipment.

Preferably, the wireless communication module comprises a ZigBee communication unit, and a power filter unit, a communication interface unit, and an antenna, which are respectively connected to the ZigBee communication unit. The Zigbee communication unit is based on a Zigbee protocol standard and is used for receiving and processing wireless data packets received by the antenna unit or outputting the wireless data packets to be sent to the antenna unit after the wireless data packets are sent and processed, the communication interface unit is used for being connected with the data processing module to receive transmission data, the Zigbee communication has the advantages of low energy consumption and stable transmission, and has good adaptability for the long-time tobacco leaf drying production process with high requirement on control timeliness.

Preferably, the terminal module comprises a terminal control module and a terminal monitoring module which are connected with a control panel of the industrial production equipment, and the terminal monitoring module comprises a power acquisition unit, an analog-to-digital conversion unit, an operational amplification unit and an output unit which are sequentially connected. The power acquisition unit samples current and voltage signals from user load equipment, then carries out filtering protection and isolation processing and outputs analog quantity signals to the operational amplification unit, the operational amplification unit amplifies the signals and then outputs the signals to the analog-to-digital conversion unit for analog-to-digital conversion, and then the signals are transmitted to the wireless communication module through the output unit, so that data acquisition is realized.

Preferably, the control module comprises a wireless signal receiving module, a signal processing module and a signal analysis module which are connected in sequence, the wireless signal receiving module is in wireless connection with the antenna, the signal processing module is connected with the input control end of the signal coupling circuit, and the signal analysis module is connected with the alarm module. The wireless signal receiving module is in wireless connection with the antenna, receives data collected by the terminal monitoring module, and controls the warning module to send warning information if a worker accesses the result of the signal analysis module through the access terminal and the analysis result of the signal analysis module is abnormal.

A switch control method without an external control line comprises the following steps:

s1, acquiring operation data of the industrial production equipment through a terminal monitoring module;

s2, the staff sends control instructions through the control module and the wireless communication module;

s3, judging whether the control instruction runs smoothly according to the feedback information;

s4, if the control instruction fails to operate, controlling the industrial production equipment to be switched on and off through the wired communication module and the power supply control module;

and S5, the alarm module works at the same time, and the staff is informed to maintain the wireless communication module.

Preferably, the step S1 includes the terminal monitoring module acquiring the operation data of the industrial production equipment and transmitting the operation data to the wireless signal receiving module of the control module through the wireless communication module, first performing data preprocessing through the signal processing module and obtaining a data analysis result through the signal analysis module, and if the result is abnormal, the alarm module works to send an alarm message and notify a worker.

The invention has the beneficial effects that: the switch and the basic operation control of the industrial equipment are realized through the wireless communication module, and meanwhile, the switch of the industrial equipment is controlled through carrier communication based on an external power supply circuit of the industrial equipment, so that the reliability of remote control is enhanced, the unified control of industrial production is optimized, and meanwhile, the circuit layout of an industrial production field is greatly simplified.

Drawings

Fig. 1 is a schematic circuit diagram of the present invention.

Fig. 2 is a block diagram of a wired communication module of the present invention.

Fig. 3 is a flow chart of the present invention.

In the figure, a terminal module 1, a wireless communication module 2, a power supply control module 3, a wired communication module 4, a carrier wave 4.1, a zero-crossing detection circuit 4.2, a signal sending circuit 4.3, a signal coupling circuit 4.4, a signal receiving circuit 4.5, a zero-crossing synchronization circuit 4.6, a control module 5 and an access terminal 6 are arranged.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings. Example (b): the switch control system without an additional control line in this embodiment, as shown in fig. 1, includes a control module 5, and a wireless communication module 2, a wired communication module 4, and an access terminal 6 respectively connected to the control module 5, where the wireless communication module 2 is connected to the terminal module 1, and the wired communication module 4 is connected to the power control module 3.

The terminal module 1 comprises a terminal control module and a terminal monitoring module which are connected with a control panel of the industrial production equipment, and the terminal monitoring module comprises a power acquisition unit, an analog-to-digital conversion unit, an operational amplification unit and an output unit which are sequentially connected. The power acquisition unit samples current and voltage signals from user load equipment, then carries out filtering protection and isolation processing and outputs analog quantity signals to the operational amplification unit, the operational amplification unit amplifies the signals and then outputs the signals to the analog-to-digital conversion unit for analog-to-digital conversion, and then the signals are transmitted to the wireless communication module through the output unit, so that data acquisition is realized. The terminal module 1 is used for realizing the switching and control of industrial production equipment.

The wireless communication module comprises a ZigBee communication unit, and a power supply filtering unit, a communication interface unit and an antenna which are respectively connected with the ZigBee communication unit. The Zigbee communication unit is based on a Zigbee protocol standard and is used for receiving and processing wireless data packets received by the antenna unit or outputting the wireless data packets to be sent to the antenna unit after the wireless data packets are sent and processed, the communication interface unit is used for being connected with the data processing module to receive transmission data, the Zigbee communication has the advantages of low energy consumption and stable transmission, and has good adaptability for the long-time tobacco leaf drying production process with high requirement on control timeliness. The wireless communication module 2 is used for signal transmission in a wireless communication mode.

The power control module 3 comprises an electric switch and an electric power acquisition unit which are arranged between the industrial production equipment and an external power supply end. The power acquisition unit is used for realizing the collection of external power data, and the electric switch that sets up between industrial production equipment and external power end is used for receiving the switching of carrier signal control industrial production equipment. The power control module 3 is used for controlling the connection between the industrial production equipment and an external power supply end to realize the switching of the industrial production equipment.

The control module 5 comprises a wireless signal receiving module, a signal processing module and a signal analysis module which are sequentially connected, the wireless signal receiving module is in wireless connection with the antenna, the signal processing module is connected with the input control end of the signal coupling circuit 4.4, and the signal analysis module is connected with the alarm module. The wireless signal receiving module is in wireless connection with the antenna, receives data collected by the terminal monitoring module, and controls the warning module to send warning information if a worker accesses the result of the signal analysis module through the access terminal and the analysis result of the signal analysis module is abnormal. The control module 5 is used for monitoring the working state of the industrial production equipment and issuing a control instruction; the access terminal 6 is used for accessing the control module 5 to realize remote monitoring.

As shown in fig. 2, the wired communication module 4 includes a zero-crossing detection circuit 4.2, a signal transmission circuit 4.3, a signal coupling circuit 4.4, a signal receiving filter circuit 4.5 and a zero-crossing synchronization circuit 4.6, which are connected in sequence, an input control end of the signal coupling circuit 4.4 is connected to the control module 5, and an input end of the zero-crossing detection circuit 4.2 and an output end of the zero-crossing synchronization circuit 4.6 are connected to the power control module 3 via a carrier 4.1 signal. The carrier wave judges sampling time through a zero-crossing detection circuit, and signals to be transmitted are sent through a signal sending circuit and are coupled to an electric wire through a signal coupling circuit for transmission; the information transmitted on the wire is also transmitted to the signal receiving filter circuit and the zero-crossing synchronization circuit through the signal coupling circuit, so that the information is transmitted in two directions, and the carrier sampling has the characteristic of stability. The wired communication module 4 is used for realizing signal transmission through a carrier communication mode.

A switch control method without an external control line comprises the following steps:

s1, acquiring the operation data of the industrial production equipment by the terminal monitoring module, transmitting the operation data of the industrial production equipment to the wireless signal receiving module of the control module 5 by the wireless communication module 2 after acquiring the operation data of the industrial production equipment by the terminal monitoring module, firstly preprocessing the data by the signal processing module and obtaining a data analysis result by the signal analysis module, and if the result is abnormal, the alarm module works to send alarm information and inform a worker.

S2, the staff sends control instructions through the control module 5 and the wireless communication module 2;

s3, judging whether the control instruction runs smoothly according to the feedback information;

s4, if the control instruction fails to operate, controlling the on-off of the industrial production equipment through the wired communication module 4 and the power supply control module 3;

s5, the alarm module is activated to inform the operator to repair the wireless communication module 2.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although terms like terminal module, wireless communication module, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.