CN202285380U

CN202285380U - Multifunctional motor control system based on wireless control technology

Info

Publication number: CN202285380U
Application number: CN201120409383XU
Authority: CN
Inventors: 夏燕涛
Original assignee: BAOJI BOCOWELL INDUSTRIAL AUTOMATIC CONTROL TECHNOLOGY Co Ltd
Current assignee: BAOJI BOCOWELL INDUSTRIAL AUTOMATIC CONTROL TECHNOLOGY Co Ltd
Priority date: 2011-10-25
Filing date: 2011-10-25
Publication date: 2012-06-27
Anticipated expiration: 2021-10-25

Abstract

A multifunctional motor control system based on wireless control technology comprises an AC contactor KM, a thermal protection relay FR and a control transformer T, wherein the input end of the AC contactor KM is connected with the output end of a power supply and a motor; the primary of the control transformer T is connected with the power supply, and the secondary of the control transformer is respectively connected with the input end of a functional selection switch SA and the control coil of the AC contractor KM; the first output end of the functional selection switch SA is connected with a self-locking manual short range control circuit composed of a stop button switch SB1, a start-up button switch SB2, the AC contact KM and the thermal protection relay FR, and the second output end of functional selection switch SA is connected with a wireless telecontrol circuit composed of a wireless signal transmitting device WF, a receiving antenna TXJ, a wireless signal receiving device WJ, a medium relay ZJ, another AC contract KM, and another thermal protection relay FR. The multifunctional motor control system provided by the utility model not only achieves short-range control of the motor, but also can remotely and wirelessly control the motor, saves energy, has high safety and reliability, and meanwhile, improves the working efficiency.

Description

Multi-function motor control system based on the controlled in wireless technology

Technical field

The utility model belongs to the Electrical Control Technology field, is specifically related to a kind of multi-function motor control system based on the controlled in wireless technology.

Background technology

Along with the development of modern farming and animal husbandry, energy-conservation, efficient, safe, practical new demand has been proposed also the farming and animal husbandry equipment.The breed colony house of the warmhouse booth of especially irrigation and water conservancy irrigation, industrialized agriculture, facility animal husbandry is also increasingly high to the specification requirement of supply equipment, roller shutter control machinery.In known technology; The short range control switch that the dynamo-electric machine control switch of existing water pump and roller shutter mainly adopts guillotine type control switch or button, A.C. contactor, thermal relay to form; And supply equipment, roller shutter control machinery in use need often be cut off the water supply, outage, switch roller shutter; Operating personnel must come and go ceaselessly in high plant fields such as corn, cotton, Chinese sorghums, and are time-consuming.The colony house of facility animal husbandry be Switching Power Supply and frequent come in and go out to intersect easily propagate harmful germ, also often there is wet manual manipulation in operating personnel during switching operations, this just more has electric leakage, shock by electricity and hurt sb.'s feelings, close a floodgate unsafe factor such as virtual connection arcing.The existence of all these problems has not only caused the waste of water resources, electric resources, operating efficiency low, but also serious threat operating personnel in personal safety.

The utility model content

The technical problem that the utility model solves: a kind of multi-function motor control system based on the controlled in wireless technology is provided; Nearly the process control switch combines with the remote wireless control technology; Not only can implement short range control, and realize remote wireless control motor to motor, energy-conservation; Security reliability is high, has also improved operating efficiency simultaneously.

The technical scheme that the utility model adopts is: a kind of multi-function motor control system based on the controlled in wireless technology, comprise A.C. contactor KM, hot protective relay FR and control transformer T, and the input termination power output end of A.C. contactor KM connects motor.The elementary power supply that connects of said control transformer T secondaryly is connected with the A2 end of the control coil of the input of functional select switch SA, A.C. contactor KM respectively; The end of the first output termination stop button switch S B1 of functional select switch SA; The end of another termination start button switch S B2 of stop button switch S B1; The end of another termination hot protective relay FR of start button switch S B2, the A1 end of the control coil of another termination A.C. contactor KM of hot protective relay FR; One end of the second output termination intermediate relay ZJ of functional select switch SA, another termination of intermediate relay ZJ connects the end of hot protective relay FR; The power end of wireless signal receiving system WJ is connected with second output and the secondary of control transformer T of functional select switch SA respectively; The control signal output ends of wireless signal receiving system WJ is connected with the two ends of the control coil of intermediate relay ZJ respectively; The signal input end of wireless signal receiving system WJ is connected with reception antenna TXJ, and wireless signal transmitting device WF is provided with transmitting antenna TXF.

The input of said A.C. contactor KM connects power supply through battery main switch QF, is connected with change over switch VS on the output of said battery main switch QF, is connected with voltmeter PV on the change over switch VS.

Advantage that the utility model compared with prior art has and effect:

1, the utility model nearly the process control switch combine with the remote wireless control technology; Not only can implement short range control to motor; And realized remote wireless control to motor, operating personnel can long-range very easily use wireless launcher to motor start or stop the enforcement Remote, energy-conservation; Security reliability is high, has also improved operating efficiency simultaneously.

2, the utility model is realized the monitoring to supply voltage through change over switch VS, voltmeter PV, and when imbalance of three-phase voltage, the motor that stops is avoided burning out motor because of the power supply imbalance of three-phase voltage.

3, the utlity model has overload, phase failure protection function.In motor operation course, if overload, open phase fault occur, motor is shut down, and equipment quits work, and realizes motor overload, open phase protection.

Description of drawings

Fig. 1 is the circuit theory diagrams of the utility model.

Embodiment

A kind of embodiment of the utility model is described in conjunction with accompanying drawing 1.

A kind of multi-function motor control system based on the controlled in wireless technology comprises A.C. contactor KM, hot protective relay FR and control transformer T, and the power frequency supply power output end of the input termination 380V of A.C. contactor KM connects motor.The elementary power frequency supply that meets 380V of said control transformer T secondaryly is connected with the A2 end of the control coil of the input of functional select switch SA, A.C. contactor KM respectively; The end of the first output termination stop button switch S B1 of functional select switch SA; The end of another termination start button switch S B2 of stop button switch S B1; The end of another termination hot protective relay FR of start button switch S B2, the A1 end of the control coil of another termination A.C. contactor KM of hot protective relay FR; One end of the second output termination intermediate relay ZJ of functional select switch SA, another termination of intermediate relay ZJ connects the end of hot protective relay FR; The power end of wireless signal receiving system WJ is connected with second output and the secondary of control transformer T of functional select switch SA respectively; The control signal output ends of wireless signal receiving system WJ is connected with the two ends of the control coil of intermediate relay ZJ respectively; The signal input end of wireless signal receiving system WJ is connected with reception antenna TXJ, and wireless signal transmitting device WF is provided with transmitting antenna TXF.

The utility model is formed the general supply indication and the voltage monitoring part of system through battery main switch QF, change over switch VS, voltmeter PV and signal lamp L, converts the power frequency supply of 380V the control power unit of 220V power frequency supply as short range and tele-control system and signal lamp electricity consumption into through control transformer T.Switch through functional select switch SA realization short range, long-range function.

The utility model is formed the manual short range control circuit of self-locking by functional select switch SA, stop button switch S B1, start button switch S B2, A.C. contactor KM, hot protective relay FR.

The wireless remote control circuit that the utility model is made up of functional select switch SA, wireless signal transmitting device WF, reception antenna TXJ, wireless signal receiving system WJ, intermediate relay ZJ, A.C. contactor KM, hot protective relay FR.

The utility model adopts the 315MHz frequency by the remote wireless control unit that wireless signal transmitting device WF, reception antenna TXJ, wireless signal receiving system WJ constitute; Wireless signal transmitting device has adopted sound surface resonance Frequency Stabilization Technique, and reliability reaches the technical grade standard, and the opening effective control distance can reach 1000 meters; Wireless signal transmitting device WF is the high-power remote controllers of a two keys; The YB1 button is for starting button, and the YB2 button is for stopping key, and in lateral layout locking switch YB3; Execution starts or stops closes the YB3 locking switch after the order and can implement function locking to wireless signal transmitting device, prevents to be not intended to touching emission rub-out signal.Wireless signal transmitting device also is equipped with rod-pulling type signal enhance antenna TXF, and reception antenna TXJ adopts bnc connector between portable sucker antenna and the wireless signal receiving system WJ, connects lead and can move arbitrarily for long 3 meters.

The short range manual mode operation: opening power master switch QF power lamp L lights, and system gets.The change over switch VS power supply A phase that 1., 3. is connected in parallel, power supply B phase 5., 7. is connected in parallel.9., the 11 power supply C phases that are connected in parallel.The 2. 4. 8. parallelly connected back of output connects the A end of voltmeter PV.6. 10. 12 be connected in parallel voltmeter PV C end; Through voltmeter PV, change over switch VS to UAB, UBC, UCA three-phase voltage measure confirm the three-phase voltage balance after; Functional select switch SA is got to contact, short range position (first output) 1. 2. connect, signal lamp L1 lights; Pressing start button switch S B2 contact 4. 3. connects; Working signal lamp L2 lights; Loop A 1 end of contactor KM, 95 and 96 ends of hot protective relay FR form the closed control circuit of manual self-locking; Contactor A1, A2 end form the closed-loop path, and contactor KM coil gets electric adhesive starter motor, and equipment gets into operating state.Pressing stop button switch S B1 contact on the contrary 2. 1. breaks off working signal lamp L2 and extinguishes; The closed control circuit of manual self-locking opens circuit and forms open circuit contactor KM loop A 1, the shutdown of A2 shut-off contact dead electricity motor, and equipment quits work.

Long-range manual mode operation: opening power master switch QF power lamp L lights, and system gets.The change over switch VS power supply A phase that 1., 3. is connected in parallel, power supply B phase 5., 7. is connected in parallel.9., the 11 power supply C phases that are connected in parallel.The 2. 4. 8. parallelly connected back of output connects the A end of voltmeter PV.6. 10. 12 be connected in parallel voltmeter PV C end; Through voltmeter PV, change over switch VS to UAB, UBC, UCA three-phase voltage measure confirm the three-phase voltage balance after; Functional select switch SA is got to remote location (second output) contact 3. 4. connect, signal lamp L3 lights; The locking switch YB3 that opens wireless signal transmitter WF presses startup button YB1 to the ON position, and wireless signal transmitter WF launches the electric motor starting signal; Wireless signal receiver WJ receives wireless enabling signal through reception antenna TXJ, and output switching value closure signal starts the intermediate relay ZJ coil; The intermediate relay ZJ contact is 6. adhesive 5.; A.C. contactor KM coil gets electric adhesive starter motor, and equipment gets into operating state, and working signal lamp L2 lights; Close wireless signal transmitter WF locking switch YB3 simultaneously to the OFF position, prevent to be not intended to touching emission rub-out signal.Open wireless signal transmitter WF locking switch YB3 on the contrary to the ON state, press button YB2, wireless signal transmitter WF launches the motor stop signal; Wireless signal receiver WJ receives wireless stop signal through reception antenna TXJ, and output switching value break signal intermediate relay ZJ coil opens circuit; 6. 5. the intermediate relay ZJ contact broken off, and A.C. contactor KM coil losing electricity forms the motor that opens circuit and stops, and working signal lamp L2 extinguishes, and closes wireless signal transmitter WF locking switch YB3 simultaneously to the OFF position, prevents to be not intended to touching emission rub-out signal.

Overload, open phase protection: in motor operation course, if overload, open phase fault occur, the normally-closed contact 95,96 of thermal relay FR breaks off; Normally opened contact 97,98 closures; A.C. contactor KM coil losing electricity, motor is shut down, and equipment quits work; Simultaneous faults signal lamp L4 lights, and realizes motor overload, open phase protection.

Claims

1. multi-function motor control system based on controlled in wireless technology; Comprise A.C. contactor KM, hot protective relay FR and control transformer T; The input termination power output end of A.C. contactor KM connects motor; It is characterized in that: the elementary power supply that connects of said control transformer T secondaryly is connected with the A2 end of the control coil of the input of functional select switch SA, A.C. contactor KM respectively; The end of the first output termination stop button switch S B1 of functional select switch SA; The end of another termination start button switch S B2 of stop button switch S B1; The end of another termination hot protective relay FR of start button switch S B2, the A1 end of the control coil of another termination A.C. contactor KM of hot protective relay FR; One end of the second output termination intermediate relay ZJ of functional select switch SA, another termination of intermediate relay ZJ connects the end of hot protective relay FR; The power end of wireless signal receiving system WJ is connected with second output and the secondary of control transformer T of functional select switch SA respectively; The control signal output ends of wireless signal receiving system WJ is connected with the two ends of the control coil of intermediate relay ZJ respectively; The signal input end of wireless signal receiving system WJ is connected with reception antenna TXJ, and wireless signal transmitting device WF is provided with transmitting antenna TXF.

2. the multi-function motor control system based on the controlled in wireless technology according to claim 1; It is characterized in that: the input of said A.C. contactor KM connects power supply through battery main switch QF; Be connected with change over switch VS on the output of said battery main switch QF, be connected with voltmeter PV on the change over switch VS.