CN202535037U

CN202535037U - Multifunctional electromechanical controller

Info

Publication number: CN202535037U
Application number: CN201220215480XU
Authority: CN
Inventors: 黄嘉民
Original assignee: QUANZHOU WANQUAN ELECTRICAL EQUIPMENT Co Ltd
Current assignee: QUANZHOU WANQUAN ELECTRICAL EQUIPMENT Co Ltd
Priority date: 2012-05-14
Filing date: 2012-05-14
Publication date: 2012-11-14
Anticipated expiration: 2022-05-14

Abstract

The utility model discloses a multifunctional electromechanical controller. The electromechanical controller comprises a FZ2006 chip, a start-up and close-down circuit, a current overload monitoring circuit, an over-current alarm circuit, a voltage phase failure protection circuit, and an automatic control on/off circuit; wherein part of universal input/output pins of the FZ2006 chip are connected with the input end of a switch control circuit of the start-up and close-down circuit; the output ends of the over-current alarm circuit current, the current overload monitoring circuit, the automatic control on/off circuit and the voltage phase failure protection circuit are connected with the universal input/output pins of the FZ2006 chip. The multifunctional electromechanical controller has a compact structure, long service life, low cost and high efficiency, is convenient to maintain, and can quickly find faults; and as integrated circuit chip module program control is adopted, hard-wiring is replaced by software programming, so that all the control functions of a whole machine are achieved, the workload of installation and wiring is greatly reduced, and the installation and debugging are more convenient.

Description

The Multi Role Aircraft electric controller

Technical field

The utility model relates to the electric machine controller field, particularly the Multi Role Aircraft electric controller.

Background technology

Conventional device adopts the electromechanical controller of controlling high power motor with the circuit of low pressure; Form by contactor, thermal relay, the time relay, auxiliary relay and other electrical equipment; Contact with these relays connects by certain logical relation again, to reach the purpose of control motor operation.Shortcomings such as the equipment volume of this device is big, and responsiveness is slow, poor reliability, function are few are difficult to satisfy complicated control requirement.And components and parts connect complex process, cause that work efficiency is low, production cost is high.

Summary of the invention

The utility model provides a kind of Multi Role Aircraft electric controller; This chip pins is to the needs of industrial circle system applies; System adopts internal clocking to reach required high-frequency clock requirement through controlled phase-locked loop; Reduce the interference of external disturbance pulse to system clock; The inner also EEPROM data scratch pad memory of integrated 1KBytes and the program scratch pad memory of 16KBytes had not only made things convenient for the storage of data but also had reduced external disturbance to the hidden danger that the trouble free service of data and program brings, have working stability, safety, reliably, function of use characteristics such as enriches.

The utility model adopts following technical scheme to realize: Multi Role Aircraft electric controller, said electric machine controller comprise FZ2006 chip, startup and halt circuit, current overload supervisory circuit, overcurrent warning circuit, voltage open-phase protection circuit, control the start and stop circuit automatically; Wherein, the general input and output pin of the part of FZ2006 chip is connected to the input of the ON-OFF control circuit of startup and halt circuit; Overcurrent warning circuit, current overload supervisory circuit, the output of controlling start and stop circuit and voltage open-phase protection circuit automatically are connected to the general input and output pin of FZ2006 chip.

Preferably; Said voltage open-phase protection circuit adopts a block buffer chip 74HC244; The three-phase firewire of motor is connected photoelectrical coupler respectively, after conversion, be connected to the input pin of buffer chip, the output pin of buffer is connected to the general input and output pin of FZ2006.

Preferably, also comprise a buzzer circuit, its input connects the general input and output pin of FZ2006 chip.

Preferably, described startup is become by inverter, amplifier and relay assembly with ON-OFF control circuit in the halt circuit.

Preferably, in the said current overload supervisory circuit, the live wire and the binding post of motor is connected to thermal relay, the thermal relay signal is input to the base stage of the amplifier of overcurrent warning circuit through the photoelectrical coupler conversion.

Preferably, said overcurrent warning circuit connects current transformer with motor, and the output of current transformer connects see-saw circuit, and the output of amplifying circuit connects the general input and output pin of FZ2006.

Preferably, the output of said automatic control start and stop circuit connects the general input and output pin of FZ2006, and 24V interchange or d. c. voltage signal are connected to the input of automatic control start and stop circuit.

The beneficial effect of the utility model is, adopts microelectric technique, and a large amount of switch motions is accomplished by the contact of electronic device control relay, and most of relay and numerous and diverse line are replaced by software program, and reliability improves greatly; Main modular has adopted IC chip, and structurally hot, low temperature resistant, dustproof to moisture-proof, anti-seismic performance all has accurate consideration.On hardware, adopt interference protection measures such as isolation, shielding, filtering, ground connection, suppress the fluctuation of supply voltage; Integrated circuit FZ2006 adopts the digital-to-analogue of integrated 8-bit microprocessor and modules such as high-precision ADC analog-to-digital conversion and nonvolatile memory to mix ASIC Design; Adopt controlled phase-locked loop to reduce the interference of external disturbance pulse to system clock; Inner integrated memory; Both made things convenient for the storage of user data and the requirement of safe handling, reduced external disturbance again, improved the antijamming capability of application-specific integrated circuit the hidden danger that the trouble free service of data and program brings; Compact conformation, maintenance and repair is convenient, and it is rapid to search fault; Because of adopting the program control of IC chip modular, replaced hardwire with software programming, realized the whole controlled function of complete machine; The installation connection workload is significantly reduced, long service life, Installation and Debugging are convenient; Production cost is low, and efficient is high.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 starts and halt circuit catenation principle figure for the utility model;

Fig. 3 is the ON-OFF control circuit catenation principle figure of the utility model startup with halt circuit;

Fig. 4 is the utility model overcurrent warning circuit catenation principle figure;

Fig. 5 is the utility model current overload supervisory circuit catenation principle figure;

Fig. 6 is the utility model voltage open-phase protection circuit catenation principle figure;

Fig. 7 controls start and stop circuit catenation principle figure automatically for the utility model;

Fig. 8 is the utility model buzzer circuit catenation principle figure;

Embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation.

Fig. 1 is the structural representation of the utility model electric machine controller.This controller comprises that mainly said electric machine controller comprises FZ2006 chip, startup and halt circuit, current overload supervisory circuit, overcurrent warning circuit, voltage open-phase protection circuit, controls the start and stop circuit automatically; Wherein, the general input and output pin of the part of FZ2006 chip is connected to the input of the ON-OFF control circuit of startup and halt circuit; Overcurrent warning circuit, current overload supervisory circuit, the output of controlling start and stop circuit and voltage open-phase protection circuit automatically are connected to the general input and output pin of FZ2006 chip.Also comprise a buzzer circuit.

More than the main signal catenation principle explanation of each circuit and the utility model as follows:

Like Fig. 2 and shown in Figure 3, be the catenation principle figure of startup with halt circuit.Startup and shutdown based on the motor controller controls asynchronous machine of FZ2006 chip are to be controlled automatically by computer program, according to corresponding key and display prompts control corresponding state.As shown in Figure 2, the start-up control circuit of electric machine controller is made up of three contactors of integrated circuit FZ2006 control.

Startup is (control procedure with the 1# motor is an example) with the operation principle of halt circuit: power turn-on switch Qs; Press 1# motor start-up key; The closure that FZ2006 comes control switch K1, K3 through the ON-OFF control circuit (as shown in Figure 3) of controlling P2.0, P2.1 and P2.2 interface and inverter, amplifier and relay assembly; Relay contact control contactor 1KM coil and contactor 3KM coil electricity close a floodgate, and its normally closed auxiliary contact 3KM opens, and break off contactor 2KM control loop.Head end U1, V1, the W1 of three windings of motor stator this moment; 1KM main contacts through closure inserts A, B, C three phase mains respectively; Tail end U2, V2, W2 are linked together by the 3KM main contacts; Form star-star connection, motor starts under star connection, and this moment, FZ2006 made 1# motor display show " STA " printed words through interface.(time is configured by the operations staff in advance after some seconds when the motor operation; Be input in the software then) when rotating speed is tending towards rated speed; 1# machine display shows ' RUN ' printed words again, and FZ2006 closes the K3 relay through control interface, the tripping operation of its relay contact control contactor 3KM coil decompression; Its normally closed auxiliary contact 3KM is newly closed, prepares for connecting the 2KM coil.At this moment, contactor 1KM still is in closing position.FZ2006 control relay K2 is closed; Relay contact closes a floodgate contactor 2KM coil electricity, and 6 binding post U1 of three windings of control motor stator are connected with W2, and V1 is connected with U2; W1 is connected with V2; Form delta connection, motor is normal operation under delta connection, accomplishes the star-triangle changing-over starting of motor.When motor need stop, can manually pressing the stop button of Multi Role Aircraft electric controller, FZ2006 control relay K1, K2 break off, contactor 1KM and 2KM coil decompression, and its main contacts is opened, and the motor dead electricity is out of service.2# Motor Control process is identical with the 1# motor.Just the relay of Multi Role Aircraft electric controller control makes K4, K6, K5 into.

Fig. 4 is overcurrent warning circuit catenation principle figure.As shown in Figure 4; 1# and 2# motor connect current transformer respectively; After first current signal with current transformer converts voltage signal into, form reverse amplification circuit by operational amplifier LF353 this signal is detected, transmit the IN0 end that sends to FZ2006 through buffer to detection signal again; After pressing the start key entering motor normal operating condition of controller, FZ2006 is just detecting the variation of this end signal always.Shown in Fig. 8 buzzer circuit; In case the signal that detects IN0 is because of after the current of electric overcurrent changes; Will start buzzer circuit through the general input and output pin P3.4 of FZ2006 and carry out long time of alarm showing excessive current flow in motor, come back to set point up to electric current and then stop to report to the police when following.This function also can be set through changing software parameter.

Fig. 5 is current overload supervisory circuit catenation principle figure.As shown in Figure 5, be example with the 1# motor, 1KH and N end are connected to thermal relay; This signal is input to the base stage of warning circuit amplifier through the photoelectrical coupler conversion; If the electric current of motor is overload not, this signal is a low level, and warning circuit is work not; This moment, the malfunction indicator lamp of 1# motor was gone out, and expression 1# motor can normally start operation.When 1# current of electric overload, then the thermal relay contact is broken off, and this moment, the signal of photoelectrical coupler conversion was a high level; Make the alarm lamp circuit working, the malfunction indicator lamp of 1# motor brightens, expression 1# electrical fault; Simultaneously; The FZ2006 chip is set through in house software and is started and halt circuit, cuts off the relay of motor, makes motor can't normally start operation.2# motor operation principle roughly the same.

Fig. 6 is voltage open-phase protection circuit catenation principle figure.As shown in Figure 6; A, B, the C three-phase of 1# and 2# motor are held through 1A0,1A1 and 1A2 end and 2A0,2A1 and the 2A2 that is connected respectively to buffer chip 74HC244 after the photoelectrical coupler conversion respectively, and the output of buffer chip is connected to the general input and output pin of FZ2006 chip.If three-phase electricity is normal, this voltage on these ends is low-voltage, and the start key of pressing electric machine controller is actuating motor normally; If the voltage jump on the end is a high voltage; This phase voltage phase shortage of then explanation correspondence; The FZ2006 chip starts buzzer circuit through general input and output pin P3.4 and carries out interval alarm (as shown in Figure 8), and simultaneously, the FZ2006 chip is set through in house software and started and halt circuit; Cut off motor relay, motor can't be used.Can control the unlatching and the closure of this voltage open-phase protection function through software modification CUTOFF parameter.

Fig. 7 controls start and stop circuit catenation principle figure automatically.As shown in Figure 7, the automatic operation key (the automatic operation key of pressing the 2# motor also can, principle is identical) of under this electric machine controller holding state, pressing the 1# motor gets into the motor automatic control mode.At this moment; To two 24V terminals (the pump signal is opened at the control center that disappears) or to fire-fighting button two ends inputs 24V alternating voltage (direct current also can) as the automatic run signal of actuating motor; This signal end is received the general input and output pin P1.7 of FZ2006 chip; In a single day the FZ2006 chip detects this pin has signal, will redirect service meter automatic running program, control the operation of motor automatically.After in case motor gets into automatic running status; If to H end to COM end (control center termination of pumping signal disappears) or after the L end is to COM end (low water level signal) input 24V alternating voltage (direct current also can); FZ2006 detects this signal, will stop the automatic operation of motor.

Although specifically show and introduced the utility model in conjunction with preferred embodiment; But the those skilled in the art should be understood that; In the spirit and scope of the utility model that does not break away from appended claims and limited; In form with on the details the utility model is made various variations, be the protection range of the utility model.

Claims

1. the Multi Role Aircraft electric controller is characterized in that, said controller comprises FZ2006 chip, startup and halt circuit, current overload supervisory circuit, overcurrent warning circuit, voltage open-phase protection circuit, controls the start and stop circuit automatically; Wherein, the general input and output pin of the part of FZ2006 chip is connected to the input of the ON-OFF control circuit of startup and halt circuit; Overcurrent warning circuit, current overload supervisory circuit, the output of controlling start and stop circuit and voltage open-phase protection circuit automatically are connected to the general input and output pin of FZ2006 chip.

2. Multi Role Aircraft electric controller according to claim 1; It is characterized in that; Said voltage open-phase protection circuit adopts a block buffer chip 74HC244; The three-phase firewire of motor is connected photoelectrical coupler respectively, after conversion, be connected to the input pin of buffer chip, the output pin of buffer is connected to the general input and output pin of FZ2006.

3. Multi Role Aircraft electric controller according to claim 1 is characterized in that, also comprises a buzzer circuit, and its input connects the general input and output pin of FZ2006 chip.

4. Multi Role Aircraft electric controller according to claim 1 is characterized in that, described startup is become by inverter, amplifier and relay assembly with ON-OFF control circuit in the halt circuit.

5. Multi Role Aircraft electric controller according to claim 1; It is characterized in that; In the said current overload supervisory circuit, the live wire and the binding post of motor is connected to thermal relay, the thermal relay signal is input to the base stage of the amplifier of overcurrent warning circuit through the photoelectrical coupler conversion.

6. Multi Role Aircraft electric controller according to claim 1; It is characterized in that said overcurrent warning circuit connects current transformer with motor; The output of current transformer connects see-saw circuit, and the output of amplifying circuit connects the general input and output pin of FZ2006.

7. Multi Role Aircraft electric controller according to claim 1 is characterized in that, the output of said automatic control start and stop circuit connects the general input and output pin of FZ2006, and 24V interchange or d. c. voltage signal are connected to the input of automatic control start and stop circuit.