CN213981298U - Frequency-variable industrial ceiling fan controller - Google Patents
Frequency-variable industrial ceiling fan controller Download PDFInfo
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- CN213981298U CN213981298U CN202023229511.0U CN202023229511U CN213981298U CN 213981298 U CN213981298 U CN 213981298U CN 202023229511 U CN202023229511 U CN 202023229511U CN 213981298 U CN213981298 U CN 213981298U
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Abstract
The utility model relates to a variable-frequency industrial ceiling fan controller, which comprises a power supply, wherein the power supply is connected with the input end of an auxiliary power supply through an input filtering and rectifying unit, the output end of the auxiliary power supply is connected with the input end of a motor control unit, and the control end of the motor control unit is connected with the controlled end of an industrial ceiling fan; the control end of the MCU unit is connected with the controlled end of the motor driving unit, the control end of the motor driving unit is connected with the controlled end of the motor control unit, the control end of the MCU unit is connected with the controlled end of the knob gear control unit, the output end of the knob gear control unit is connected with the input end of the gear voltage acquisition unit, the output end of the gear voltage acquisition unit is connected with the input end of the liquid crystal display unit, the control end of the MCU unit is connected with the controlled end of the voltage acquisition unit, and the control end of the MCU unit is connected with the controlled end of the temperature acquisition unit. The utility model discloses can realize real-time control, ensure the safety of electric fan.
Description
Technical Field
The utility model relates to a variable frequency's industry ceiling fan controller.
Background
In the current era, with the development and progress of science and technology, industrial ceiling fans have penetrated into various industries as essential products for cooling without air conditioning environment. Various large-scale factories and workshops are applied to industrial ceiling fans. The industrial ceiling fan is used as the most common speed regulating component, and the convenience, reliability, humanization and intellectualization of the operation are urgent needs of the market.
Even though the application of the industrial ceiling fan is observed, most of the industrial ceiling fans are controlled by a mechanical knob switch, the rotating speed is not displayed, and the rotating speed cannot be accurately controlled, and particularly, the control mode of the existing ceiling fan cannot be realized under the condition that the specific rotating speed of the ceiling fan needs to be constantly controlled in some occasions. The novel intelligent control mode of the industrial ceiling fan is developed at the same time, and the requirements of the market on functional application are met.
The traditional industrial ceiling fan reduces the current control rotating speed through voltage regulation, the chopping voltage reduction is realized by changing the mode that the silicon controlled rectifier controls the conduction angle through gear shifting, and the motor speed is changed according to the voltage and current. The existing control mode has the defects of limitation of minimum starting voltage and incapability of accurately controlling the rotating speed and feeding back the rotating speed.
In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create a novel variable frequency industrial ceiling fan controller, so that the industrial ceiling fan controller has more industrial utility value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the present invention provides a frequency-variable controller for an industrial ceiling fan.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a variable-frequency industrial ceiling fan controller comprises a power supply, wherein the output end of the power supply is connected with the input end of an input filtering and rectifying unit, the output end of the input filtering and rectifying unit is connected with the input end of an industrial ceiling fan through an inverter, the output end of the input filtering and rectifying unit is connected with the input end of an auxiliary power supply, the output end of the auxiliary power supply is connected with the input end of a motor control unit, and the control end of the motor control unit is connected with the controlled end of the industrial ceiling fan;
the control end of the MCU unit is connected with the controlled end of the motor driving unit, the control end of the motor driving unit is connected with the controlled end of the motor control unit, the control end of the MCU unit is connected with the controlled end of the knob gear control unit, the output end of the knob gear control unit is connected with the input end of the gear voltage acquisition unit, the output end of the gear voltage acquisition unit is connected with the input end of the liquid crystal display unit, the control end of the MCU unit is connected with the controlled end of the voltage acquisition unit, the control end of the MCU unit is connected with the controlled end of the temperature acquisition unit, the output end of the MCU unit is connected with the input end of the fault information unit, and the fault information unit, the voltage acquisition unit, the temperature acquisition unit and the liquid crystal display unit are all connected to the display.
Preferably, in the variable frequency industrial ceiling fan controller, the input filter rectifying unit is a three-phase bridge rectifying circuit.
Preferably, the fault information unit, the voltage acquisition unit, the temperature acquisition unit and the liquid crystal display unit are connected to the display through an RS485 communication unit.
Preferably, the auxiliary power supply is a DC/DC power supply.
Preferably, the fault information unit of the variable frequency industrial ceiling fan controller comprises a motor overcurrent alarm, a step-out alarm, a locked rotor alarm, a phase failure alarm, an overvoltage alarm and an undervoltage alarm.
Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:
the utility model discloses can realize showing the function that sets up rotational speed, actual rotational speed, current gear, running state, fault code in real time, solve the three-phase drive of industry ceiling fan and entire control system's integration solution, make it can effectual reduce cost to can know the data of data in real time, ensure the concrete data of industry ceiling fan.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Examples
As shown in fig. 1, a frequency-variable industrial ceiling fan controller comprises a power supply 1, wherein an output end of the power supply 1 is connected with an input end of an input filter rectification unit 2, an output end of the input filter rectification unit 2 is connected with an input end of an industrial ceiling fan 4 through an inverter 3, an output end of the input filter rectification unit 2 is connected with an input end of an auxiliary power supply 5, an output end of the auxiliary power supply 5 is connected with an input end of a motor control unit 6, and a control end of the motor control unit 6 is connected with a controlled end of the industrial ceiling fan 4;
also comprises an MCU unit 8, the control end of the MCU unit 8 is connected with the controlled end of the motor driving unit 7, the control end of the motor driving unit 7 is connected with the controlled end of the motor control unit 6, the control end of the MCU unit 8 is connected with the controlled end of the knob gear control unit 9, the output end of the knob gear control unit 9 is connected with the input end of a gear voltage acquisition unit 10, the output end of the gear voltage acquisition unit 10 is connected with the input end of the liquid crystal display unit 11, the control end of the MCU unit 8 is connected with the controlled end of the voltage acquisition unit 12, the control end of the MCU unit 8 is connected with the controlled end of the temperature acquisition unit 13, the output end of the MCU unit 8 is connected with the input end of the fault information unit 14, and the fault information unit 14, the voltage acquisition unit 12, the temperature acquisition unit 13 and the liquid crystal display unit 11 are all connected to a display.
The utility model discloses in input filter rectification unit 2 is three-phase bridge rectifier circuit.
The utility model discloses in fault information unit 14, voltage acquisition unit 12, temperature acquisition unit 13 and liquid crystal display unit 11 are connected to the display through RS485 communication unit 15.
The utility model discloses in auxiliary power supply 5 is the DC/DC power.
The utility model discloses in fault information unit 14 includes that motor overcurrent reports to the police, step out is reported to the police, lock rotor warning, lacks looks warning, the too high warning of voltage and the too low warning of voltage.
The input filtering rectification unit 2 adopts a three-phase bridge rectification circuit, and the later stage adopts film capacitor filtering, so that the power factor of the controller is improved, and compared with the traditional electrolytic capacitor scheme, the power factor of the controller is reduced, and the harmonic wave influence is greatly reduced.
The motor driving unit is frequency conversion driving, a high-integration special driving chip is adopted to realize synchronous frequency conversion driving, and a space vector algorithm is adopted to drive the motor in real time. The gear is switched through the knob switch in the speed regulation, and the display screen memorizes and stores the target rotating speed value corresponding to the gear, and if the accurate speed regulation is needed, the stepping speed regulation is carried out by switching the touch key into a key control mode, so that the control of the preset rotating speed is realized.
The fault information unit 14 includes motor overcurrent alarm, step-out alarm, locked rotor alarm, phase failure alarm, overvoltage alarm and undervoltage alarm.
The overcurrent alarm comprises a hardware overcurrent alarm and a software overcurrent alarm, the output of the power device is directly cut off after the hardware overcurrent alarm, and the fault code is directly displayed through the display screen;
the software overcurrent protection is realized by amplifying the voltage of the current detection resistor, and switching off the output of the power device when the acquired current value exceeds a limit value, so that the reliability of variable frequency driving is improved, and the safety of a motor and equipment is further protected.
And (4) a locked rotor alarm, which can judge the locked rotor of the motor by detecting the phase current and cut off the output of the power device once judging the locked rotor.
And (4) phase-lack alarming, wherein if the difference value of any phase current and other two phases exceeds a preset alarming value, the phase-lack alarming is judged by analyzing the current values of the three phases.
And if the voltage value exceeds a preset range, the over-voltage alarm or the over-low alarm is triggered. When the voltage returns to normal, the alarm is automatically cleared, and the normal working state is restored. The fan control part adopts temperature control, and when the temperature of the module exceeds 60 ℃, the cooling fan automatically operates.
The RS485 interface is adopted for controller communication, and the interface adopts a full-isolation design, so that the reliability and the safety are improved. In addition, the controller is provided with a manual operator, and the manual operator can display the running state and parameters in real time. The user may also set parameters by means of a hand operator.
The utility model discloses closed-loop control mode is adopted in the regulation of well motor, and automatic adjustment rotational speed is to the target rotational speed when there is the deviation in the target rotational speed of settlement and actual rotational speed.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A variable frequency industrial ceiling fan controller is characterized in that: the power supply comprises a power supply (1), wherein the output end of the power supply (1) is connected with the input end of an input filtering and rectifying unit (2), the output end of the input filtering and rectifying unit (2) is connected with the input end of an industrial ceiling fan (4) through an inverter (3), the output end of the input filtering and rectifying unit (2) is connected with the input end of an auxiliary power supply (5), the output end of the auxiliary power supply (5) is connected with the input end of a motor control unit (6), and the control end of the motor control unit (6) is connected with the controlled end of the industrial ceiling fan (4);
the device is characterized by further comprising an MCU unit (8), wherein the control end of the MCU unit (8) is connected with the controlled end of the motor driving unit (7), the control end of the motor driving unit (7) is connected with the controlled end of the motor control unit (6), the control end of the MCU unit (8) is connected with the controlled end of the knob gear control unit (9), the output end of the knob gear control unit (9) is connected with the input end of the gear voltage acquisition unit (10), the output end of the gear voltage acquisition unit (10) is connected with the input end of the liquid crystal display unit (11), the control end of the MCU unit (8) is connected with the controlled end of the voltage acquisition unit (12), the control end of the MCU unit (8) is connected with the controlled end of the temperature acquisition unit (13), and the output end of the MCU unit (8) is connected with the input end of the fault information unit (14), the fault information unit (14), the voltage acquisition unit (12), the temperature acquisition unit (13) and the liquid crystal display unit (11) are all connected to the display.
2. The variable frequency industrial ceiling fan controller of claim 1, wherein: the input filtering rectification unit (2) is a three-phase bridge rectification circuit.
3. The variable frequency industrial ceiling fan controller of claim 1, wherein: the fault information unit (14), the voltage acquisition unit (12), the temperature acquisition unit (13) and the liquid crystal display unit (11) are connected to the display through the RS485 communication unit (15).
4. The variable frequency industrial ceiling fan controller of claim 1, wherein: the auxiliary power supply (5) is a DC/DC power supply.
5. The variable frequency industrial ceiling fan controller of claim 1, wherein: the fault information unit (14) comprises a motor overcurrent alarm, a step-out alarm, a locked rotor alarm, a phase failure alarm, a voltage overhigh alarm and a voltage overlow alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023229511.0U CN213981298U (en) | 2020-12-28 | 2020-12-28 | Frequency-variable industrial ceiling fan controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023229511.0U CN213981298U (en) | 2020-12-28 | 2020-12-28 | Frequency-variable industrial ceiling fan controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213981298U true CN213981298U (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023229511.0U Active CN213981298U (en) | 2020-12-28 | 2020-12-28 | Frequency-variable industrial ceiling fan controller |
Country Status (1)
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|---|---|
| CN (1) | CN213981298U (en) |
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- 2020-12-28 CN CN202023229511.0U patent/CN213981298U/en active Active
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