阅读说明：本技术 一种变频控制器的控制系统 (Control system of variable frequency controller ) 是由 钟海波 于 2021-05-12 设计创作，主要内容包括：本发明属于变频控制技术领域,尤其是一种变频控制器的控制系统,针对现有的控制系统节能效果差、抗干扰能力差、不具备变频控制线路模拟功能导致指令的更正不便的问题,现如今提出如下方案：包括电路控制中心,所述电路控制中心的上方设置有变频调节单元,所述电路控制中心的下方设置有管理模块,且电路控制中心的另一侧设置有远程控制单元,所述远程控制单元的下方设置有无线模块,所述管理模块的下方设置有试运行单元、阈值设定模块和抗干扰单元。本发明中可使有效功率充分发挥以增强节能效果；系统电路的抗干扰能力强以保障信号收发的精准性和指令传输的时效性；具备变频控制线路模拟功能,提高变频控制的成功率。(The invention belongs to the technical field of frequency conversion control, in particular to a control system of a frequency conversion controller, aiming at the problems of poor energy-saving effect, poor anti-jamming capability and inconvenient command correction caused by no frequency conversion control circuit simulation function of the existing control system, the following schemes are proposed at present: including circuit control center, circuit control center's top is provided with frequency conversion regulating unit, circuit control center's below is provided with management module, and circuit control center's opposite side is provided with the remote control unit, the below of remote control unit is provided with wireless module, management module's below is provided with trial run unit, threshold value and sets for module and anti-interference unit. The invention can make the effective power fully play to enhance the energy-saving effect; the anti-interference capability of the system circuit is strong so as to ensure the accuracy of signal receiving and transmitting and the timeliness of instruction transmission; the frequency conversion control circuit has a frequency conversion control circuit simulation function, and the success rate of frequency conversion control is improved.)

1. A control system of a variable frequency controller comprises a circuit control center (1) and is characterized in that a variable frequency adjusting unit (2) is arranged above the circuit control center (1), an access unit (9) is arranged on one side of the circuit control center (1), a login module (10) is arranged below the access unit (9), a display unit (13) is arranged above the access unit (9), a flow display module (14), a frequency display module (15) and a rotating speed display module (16) are arranged on one side, away from the circuit control center (1), of the display unit (13), a management module (17) is arranged below the circuit control center (1), a remote control unit (20) is arranged on the other side of the circuit control center (1), a wireless module (21) is arranged below the remote control unit (20), the device is characterized in that a trial operation unit (25), a threshold setting module (26) and an anti-interference unit (27) are arranged below the management module (17), a navigation module (28), a three-dimensional building module (29) and a data simulation module (30) are sequentially arranged from left to right below the trial operation unit (25), and a current detection module (31) is arranged below the threshold setting module (26).

2. The control system of a variable frequency controller according to claim 1, wherein one side of the variable frequency adjusting unit (2) is provided with a reverse module (3), a start module (4) and a stop module (5) from top to bottom in sequence.

3. The control system of the variable frequency controller according to claim 3, wherein the other side of the variable frequency adjusting unit (2) is provided with an accelerating module (6), a decelerating module (7) and a forward rotating module (8) from top to bottom in sequence.

4. The control system of a variable frequency controller according to claim 1, wherein a data definition language module (11) and a data operation language module (12) are disposed on one side of the login module (10), and the data definition language module (11) is disposed above the data operation language module (12).

5. The control system of the variable frequency controller according to claim 1, wherein the frequency display module (15) is disposed at a middle position between the flow display module (14) and the rotation speed display module (16), the flow display module (14) is disposed above the rotation speed display module (16), a display screen is fixedly mounted at a middle position on a front surface of the display unit (13), and an input end of the display screen is electrically connected with an output end of the display unit (13).

6. The control system of a variable frequency controller according to claim 1, wherein a power-off module (18) and a power-on module (19) are disposed on one side of the management module (17), switches are fixedly mounted on upper surfaces of the power-off module (18) and the power-on module (19), and input ends of two sets of switches are electrically connected with output ends of the power-off module (18) and the power-on module (19), respectively.

7. The control system of the variable frequency controller according to claim 1, wherein a signal sending module (22), a signal transmission module (23) and a signal receiving module (24) are sequentially arranged on one side of the wireless module (21) from top to bottom, a communication chip is fixedly mounted on an upper surface of the wireless module (21), and an input end of the communication chip is electrically connected with an output end of the wireless module (21).

8. The control system of the variable frequency controller according to claim 1, wherein the commissioning unit (25), the threshold setting module (26) and the anti-interference unit (27) are horizontally arranged from left to right, and a signal radiation absorption module (34) and an EMI suppression module (35) are arranged on a side of the anti-interference unit (27) far away from the threshold setting module (26), and the signal radiation absorption module (34) is arranged above the EMI suppression module (35).

9. The control system of a variable frequency controller according to claim 1, wherein a data analysis module (32) and a data conversion module (33) are disposed on one side of the current detection module (31), the data conversion module (33) is disposed below the data analysis module (32), a current sensor is fixedly mounted on a front surface of the current detection module (31), an ammeter is fixedly mounted on an upper surface of the current detection module (31), an input end of the current sensor is electrically connected with an output end of the current detection module (31), and an input end of the ammeter is electrically connected with an output end of the current sensor.

Technical Field

The invention relates to the technical field of variable frequency control, in particular to a control system of a variable frequency controller.

Background

The control system adjusts the load by changing the power supply frequency so as to realize the automatic adjustment of the running speed of the motor, reduce the power consumption and the loss, solve the problem that the work of an electric appliance is influenced due to the instability of the voltage of a power grid and prolong the service life of equipment.

When the existing control system is used, the control current of the electromagnetic valve cannot be adjusted in the same proportion, so that the power matching degree between the frequency converter and the motor is low, the effective power cannot be fully exerted, and the energy-saving effect is influenced; the anti-interference capability of a control system circuit is poor, and the accuracy of signal receiving and transmitting and the timeliness of instruction transmission are influenced; the frequency conversion control circuit simulation function is not provided, the test cannot be carried out by establishing a simulation working environment before the final control instruction is transmitted, inconvenience is brought to instruction correction, the success rate of frequency conversion control is reduced, and the use of a control system is influenced.

Disclosure of Invention

The control system of the variable frequency controller provided by the invention solves the problems that the control system has poor energy-saving effect, poor anti-interference capability, poor signal receiving and transmitting accuracy and poor timeliness of instruction transmission, is inconvenient to correct instructions due to the fact that a variable frequency control circuit simulation function is not provided, and the success rate of variable frequency control is low.

In order to achieve the purpose, the invention adopts the following technical scheme:

a control system of a variable frequency controller comprises a circuit control center, a variable frequency adjusting unit is arranged above the circuit control center, an access unit is arranged on one side of the circuit control center, a login module is arranged below the access unit, a display unit is arranged above the access unit, a flow display module, a frequency display module and a rotating speed display module are arranged on one side of the display unit away from the circuit control center, a management module is arranged below the circuit control center, a remote control unit is arranged on the other side of the circuit control center, a wireless module is arranged below the remote control unit, a trial operation unit, a threshold setting module and an anti-interference unit are arranged below the management module, and a navigation module, a three-dimensional building module and a data simulation module are sequentially arranged below the trial operation unit from left to right, and a current detection module is arranged below the threshold setting module.

Preferably, one side of the variable frequency adjusting unit is sequentially provided with a reverse module, a starting module and a stopping module from top to bottom.

Preferably, the other side of the variable frequency adjusting unit is sequentially provided with an accelerating module, a decelerating module and a forward rotation module from top to bottom.

Preferably, one side of the login module is provided with a data definition language module and a data operation language module, and the data definition language module is arranged above the data operation language module.

Preferably, the frequency display module is arranged in the middle of the flow display module and the rotating speed display module, the flow display module is arranged above the rotating speed display module, a display screen is fixedly arranged in the middle of the front surface of the display unit, and the input end of the display screen is electrically connected with the output end of the display unit.

Preferably, one side of the management module is provided with a power-off module and a power-on module, switches are fixedly mounted on the upper surfaces of the power-off module and the power-on module, and the input ends of the two sets of switches are electrically connected with the output ends of the power-off module and the power-on module respectively.

Preferably, one side of the wireless module is sequentially provided with a signal sending module, a signal transmission module and a signal receiving module from top to bottom, the upper surface of the wireless module is fixedly provided with a communication chip, and the input end of the communication chip is electrically connected with the output end of the wireless module.

Preferably, the commissioning unit, the threshold setting module and the anti-interference unit are horizontally arranged from left to right, a signal radiation absorption module and an EMI suppression module are arranged on one side of the anti-interference unit far away from the threshold setting module, and the signal radiation absorption module is arranged above the EMI suppression module.

Preferably, one side of the current detection module is provided with a data analysis module and a data conversion module, the data conversion module is arranged below the data analysis module, a current sensor is fixedly mounted on the front surface of the current detection module, an ammeter is fixedly mounted on the upper surface of the current detection module, the input end of the current sensor is electrically connected with the output end of the current detection module, and the input end of the ammeter is electrically connected with the output end of the current sensor.

Compared with the prior art, the invention has the beneficial effects that:

1. in the invention, the current detection module detects the actual working current and adjusts the control current of the electromagnetic valve in the same proportion according to the preset range of the threshold setting module through the data analysis module and the data conversion module, thereby improving the power matching degree between the frequency converter and the motor, fully exerting the effective power and enhancing the energy-saving effect;

2. in the process of electric signal transmission, the anti-interference unit provides isolation protection for the sensitive circuit, electromagnetic interference is filtered and shielded by the EMI suppression module, and signal interference is shielded by combining the signal radiation absorption module, so that the anti-interference capability of a control system circuit is enhanced, and the accuracy of signal receiving and transmitting and the timeliness of instruction transmission are guaranteed;

3. in the invention, the trial operation unit firstly tests through a simulation working environment established by the three-dimensional building module before transmitting a final control instruction, simulates a variable frequency control action line through the input data simulation module, marks out a detection line by combining the navigation module for distinguishing, provides convenience for instruction correction and improves the success rate of variable frequency control;

according to the invention, the control system can adjust the control current of the electromagnetic valve in the same proportion, so that the power matching degree between the frequency converter and the motor is improved, the effective power is fully exerted, and the energy-saving effect is enhanced; the anti-interference capability of the control system circuit is strong so as to ensure the accuracy of signal receiving and transmitting and the timeliness of instruction transmission; the frequency conversion control circuit simulation function is provided, so that a simulation working environment can be established for testing before a final control instruction is transmitted, convenience is provided for instruction correction, and the success rate of frequency conversion control is improved.

Drawings

Fig. 1 is a schematic structural diagram of a control system of a variable frequency controller according to the present invention;

fig. 2 is a schematic diagram of electrical connection of a frequency conversion adjusting unit of a control system of a frequency conversion controller according to the present invention;

fig. 3 is an electrical connection diagram of a remote control unit of a control system of a variable frequency controller according to the present invention;

fig. 4 is an electrical connection diagram of a commissioning unit of a control system of a variable frequency controller according to the present invention;

fig. 5 is an electrical connection diagram of a threshold setting module of a control system of a variable frequency controller according to the present invention.

In the figure: the system comprises a circuit control center 1, a frequency conversion adjusting unit 2, a reverse rotation module 3, a start module 4, a stop module 5, an acceleration module 6, a deceleration module 7, a forward rotation module 8, an access unit 9, a login module 10, a data definition language module 11, a data operation language module 12, a display unit 13, a flow display module 14, a frequency display module 15, a rotating speed display module 16, a management module 17, a power-off module 18, a power-on module 19, a remote control unit 20, a wireless module 21, a signal sending module 22, a signal transmission module 23, a signal receiving module 24, a trial run unit 25, a threshold setting module 26, an anti-interference unit 27, a navigation module 28, a three-dimensional building module 29, a data simulation module 30, a current detection module 31, a data analysis module 32, a data conversion module 33, a signal radiation absorption module 34 and an EMI suppression module 35.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, a control system of a variable frequency controller includes a circuit control center 1, a variable frequency adjusting unit 2 is disposed above the circuit control center 1, an access unit 9 is disposed on one side of the circuit control center 1, a login module 10 is disposed below the access unit 9, a display unit 13 is disposed above the access unit 9, a flow display module 14, a frequency display module 15 and a rotation speed display module 16 are disposed on one side of the display unit 13 away from the circuit control center 1, a management module 17 is disposed below the circuit control center 1, a remote control unit 20 is disposed on the other side of the circuit control center 1, a wireless module 21 is disposed below the remote control unit 20, a trial operation unit 25, a threshold setting module 26 and an anti-interference unit 27 are disposed below the management module 17, and a navigation module 28 is sequentially disposed from left to right below the trial operation unit 25, The three-dimensional building module 29 and the data simulation module 30 are provided with a current detection module 31 below the threshold setting module 26.

One side of the variable frequency adjusting unit 2 is provided with a reverse rotation module 3, a starting module 4 and a stopping module 5 in sequence from top to bottom, the other side of the variable frequency adjusting unit 2 is provided with an acceleration module 6, a deceleration module 7 and a forward rotation module 8 in sequence from top to bottom, one side of the login module 10 is provided with a data definition language module 11 and a data operation language module 12, the data definition language module 11 is arranged above the data operation language module 12, a frequency display module 15 is arranged at the middle position between a flow display module 14 and a rotation speed display module 16, the flow display module 14 is arranged above the rotation speed display module 16, a display screen is fixedly arranged at the middle position of the front surface of the display unit 13, the input end of the display screen is electrically connected with the output end of the display unit 13, one side of the management module 17 is provided with a power-off module 18 and a power-on module 19, and switches are fixedly arranged on the upper surfaces of the power-off module 18 and the power-on module 19, the input ends of the two groups of switches are respectively electrically connected with the output ends of the power-off module 18 and the power-on module 19, one side of the wireless module 21 is provided with a signal sending module 22, a signal transmission module 23 and a signal receiving module 24 from top to bottom in sequence, the upper surface of the wireless module 21 is fixedly provided with a communication chip, the input end of the communication chip is electrically connected with the output end of the wireless module 21, the commissioning unit 25, the threshold setting module 26 and the anti-jamming unit 27 are horizontally arranged from left to right, one side of the anti-jamming unit 27 far away from the threshold setting module 26 is provided with a signal radiation absorption module 34 and an EMI suppression module 35, the signal radiation absorption module 34 is arranged above the EMI suppression module 35, one side of the current detection module 31 is provided with a data analysis module 32 and a data conversion module 33, and the data conversion module 33 is arranged below the data analysis module 32, the front surface of the current detection module 31 is fixedly provided with a current sensor, the upper surface of the current detection module 31 is fixedly provided with an ammeter, the input end of the current sensor is electrically connected with the output end of the current detection module 31, and the input end of the ammeter is electrically connected with the output end of the current sensor.

The working principle is as follows: the circuit control center 1 integrates a segmented network of a variable frequency control system, an electrifying module 19 and a power-off module 18 are used for controlling the electrifying operation and the power-off shutdown of the system, a management module 17 collects, manages and analyzes system electric signals, converts the electric signals into useful data information and sends the useful data information to a control terminal, the information enters an access unit 9 through a login module 10 to log in the control system, and the language of a system page is set through a data definition language module 11 and a data operation language module 12 to meet the use requirements of different native speakers on the management system, a variable frequency adjusting unit 2 sends corresponding instructions to change the power supply frequency based on a reverse rotation module 3, a starting module 4, a stopping module 5, an accelerating module 6, a decelerating module 7 and a forward rotation module 8, thereby adjusting the load to realize the automatic adjustment of the running speed of a motor, reducing the power consumption and the loss, and solving the problem that the work of an electric appliance is influenced by the instability of the voltage of a power grid, the service life of the equipment is prolonged, the display unit 13 displays the operating parameters such as the working frequency and the rotating speed of the frequency converter in real time through the flow display module 14, the frequency display module 15 and the rotating speed display module 16, the remote control unit 20 realizes the remote signal connection between a control instruction transmitting end and a control action end motor based on the wireless module 21, the signal transmitting module 22, the signal transmitting module 23 and the signal receiving module 24 remotely transmit electric signals so as to transmit and receive instructions and realize the remote operation and use of the system, the current detection module 31 detects the actual working current and adjusts the control current of the electromagnetic valve in the same proportion according to the preset range of the threshold setting module 26 through the data analysis module 32 and the data conversion module 33, thereby improving the power matching degree between the frequency converter and the motor, fully exerting the effective power and enhancing the energy-saving effect, in the process of electric signal transmission, the anti-interference unit 27 provides isolation protection of a sensitive circuit, electromagnetic interference is filtered and shielded through the EMI suppression module 35, and signal interference is shielded through the signal radiation absorption module 34, so that the anti-interference capability of a control system circuit is enhanced, the accuracy of signal receiving and transmitting and the timeliness of instruction transmission are guaranteed, the trial operation unit 25 enables a simulation working environment established through the three-dimensional building module 29 to be tested before a final control instruction is transmitted, a frequency conversion control action circuit is simulated through the input data simulation module 30, a detection circuit is marked out through the navigation module 28 to be distinguished, convenience is provided for instruction correction, and the success rate of frequency conversion control is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.