CN207664705U - The reversing braking module of twin-power switch control system - Google Patents
The reversing braking module of twin-power switch control system Download PDFInfo
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- CN207664705U CN207664705U CN201721773015.7U CN201721773015U CN207664705U CN 207664705 U CN207664705 U CN 207664705U CN 201721773015 U CN201721773015 U CN 201721773015U CN 207664705 U CN207664705 U CN 207664705U
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Abstract
A kind of reversing braking module of twin-power switch control system is used for double power supply automatic transfer switch, and the input terminal of the reversing braking module is connect with controller, and the output end of reversing braking module is connect with motor；The operating mechanism of motor and double power supply automatic transfer switch connects, controller controls the operating current of motor by reversing braking module, when motor band pneumatic operating mechanism action makes double power supply automatic transfer switch be converted in place between each state, reversing braking module generates a reverse current opposite with original switching current direction and controls motor stalls.The utility model reversing braking module carries out providing a switching current when state is converted into motor in double power supply automatic transfer switch, in the moment of state conversion in place, one and the opposite reverse current of switching current are generated to be offseted with the rotator inertia of motor, avoid motor rotation excessive, clutch and deceleration device to operating mechanism generate harmful effect, seriously affect the service life of operating mechanism.
Description
Technical field
The utility model is related to Low Voltage Electrical Apparatus, more particularly to a kind of reversing braking mould of twin-power switch control system
Block.
Background technology
Transfer switching equipment is for the conversion between the common power supply and stand-by power supply of important power supply occasion.In existing product
In, the operating mechanism of transfer switching equipment is broadly divided into motor driving and solenoid actuated.Electromagnet action is rapid, but power output
There is limitation, and in the action process of operating mechanism, contact can move therewith；Motor driving torque is big, but conversion time is long,
Mechanism is more complicated.Although motor driving there are many advantages, in many systems, there is the phenomenon that motor driving turns over, sternly
Ghost image rings the reliability of change-over switch.
Invention content
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of performance safety stabilization, simple in structure
It is compact, the reversing braking module of twin-power switch control system at low cost.
To achieve the above object, the utility model uses following technical solution：
A kind of reversing braking module of twin-power switch control system is used for double power supply automatic transfer switch, the reversal connection
The input terminal of brake module is connect with controller, and the output end of reversing braking module is connect with motor；Motor is automatic with dual power supply
The operating mechanism of change-over switch connects, and controller controls the operating current of motor by reversing braking module, and motor drives operation
When mechanism action makes double power supply automatic transfer switch be converted in place between each state, reversing braking module generates one
The reverse current opposite with original switching current direction controls motor stalls.
Further, including conversion driving current circuit, plugging current loop and microswitch, microswitch and double electricity
Whether in place the operating mechanism of source automatic change-over is correspondingly arranged judges the conversion of operating mechanism state；Convert driving current circuit
It is connected as motor power supply with motor, plugging current loop is connected as motor with motor and provides one and original switching current side
Make motor braking to opposite reverse current, and converts the current direction phase in driving current circuit and plugging current loop
Instead, it controls the normally open contact of switch and normally closed interlock is connected in conversion driving current circuit and plugging current loop
For the switching in circuit, the rotation of controller and control switch connection control motor.
Further, conversion driving current circuit include sequentially connected positive pole, the poles LA of motor, motor the poles LB,
The poles LC of motor, the poles LD of motor, power cathode.
Further, plugging current loop include the poles LA of sequentially connected motor, the poles LB of motor, motor LD
Pole, the poles LC of motor, motor the poles LA.
Further, reversing braking module includes relay K3, relay K4, relay K2, and microswitch includes that fine motion is opened
F4, microswitch F1, microswitch F2 and microswitch F3 are closed, control switch includes contactor K1；The one end microswitch F4 with
Instruction is often closed in controller connection input, and the other end of microswitch F4 is connect with control terminal one end of contactor K1；Relay K3
Control terminal the normal split instruction of input is connect with controller, the contact of relay K3 is connect with one end of microswitch F1, and fine motion is opened
The other end for closing F1 is connect with one end of the control terminal of contactor K1；The control terminal of relay K4 connect the standby conjunction of input with controller
Instruction, the contact of relay K4 are connect with one end of microswitch F2, the control of the other end and contactor K1 of microswitch F2
The one end at end connects；The one end microswitch F3 connect with controller input back-up instruction, the other end of microswitch F3 with contact
Control terminal one end of device K1 connects；The 4th foot of relay K2 and the first foot are connect with motor, the first foot of relay K2 and
Octal connects, and one of the 9th foot of relay K2 and contactor K1 normally opened contact and one of normally-closed contact are connect,
The 4th foot of relay K2 and the connection of the 5th foot, the 12nd foot of relay K2 connect with another normally-closed contact of contactor K1
It connects；The K1 of contactor is connected to the motor, and another normally opened contact of contactor K1 is connect with positive pole.
Further, further include resistance R, capacitance C1 and resistance R1；Capacitance C1 and resistance R1 are connected in relay K2's in parallel
Between 9th foot and the 5th foot of relay K2, resistance R be connected in parallel relay K2 the 12nd foot and contactor K1 it is another
Between one normally-closed contact.
Further, when automatic change-over is in an intermediate position, microswitch F4 and F2 by operating mechanism, which are in, to be closed
Conjunction state, controller send out and often close instruction, and contactor K1 is attracted, and relay K3, relay K4 and relay K2 are disconnected, electric at this time
Machine is in rotating forward state；When switch goes to common position, microswitch F4 is disconnected, and contactor K1 releases generate one and original
The opposite electric current in incoming current direction, enables motor to brake rapidly.
Further, when automatic change-over is in an intermediate position, the microswitch F4 by operating mechanism and microswitch
F2 is in closed state, and controller sends out standby close and instructs, and relay K3 is attracted, and contactor K1 is attracted, and relay K2 is attracted, at this time
Motor is in inverted status；When switch goes to spare space, microswitch F2 is disconnected, contactor K1 releases, relay K3 after
Continuous to be attracted, relay K2 continues to be attracted, and generates an electric current opposite with original current direction, and electric current reversely enables motor fast
Speed braking.
Further, when automatic change-over is in common position, the microswitch F1 by operating mechanism is in closed form
State, controller send out normal split instruction, and relay K4 is attracted, and contactor K1 is attracted, and relay K2 is attracted, and motor is in reversion at this time
State；When switch goes to centre position, microswitch F1 is disconnected, and contactor K1 releases, relay K4 continues to be attracted, relay
K2 continues to be attracted, and generates an electric current opposite with original current direction, motor is enable to brake rapidly.
Further, when automatic change-over is in spare space, the microswitch F3 by operating mechanism is in closed form
State, controller send out back-up instruction, and contactor K1 is attracted, and relay K3, relay K4 and relay K2 are disconnected, at this time at motor
In the state of rotating forward；When switch goes to centre position, microswitch F3 is disconnected, and contactor K1 releases generate one and original electricity
The opposite electric current in direction is flowed, motor is enable to brake rapidly.
The reversing braking module of the utility model in double power supply automatic transfer switch provide into motor when state is converted
One switching current generates one and the opposite reverse current of switching current comes and motor in state conversion moment in place
Rotator inertia offsets, and avoids motor rotation excessive, and the clutch and deceleration device to operating mechanism generate harmful effect, serious shadow
Ring the service life of operating mechanism.The reversing braking module of the twin-power switch control system of the utility model, control motor rotation and
The module of stopping uses contactor, the phenomenon that effectively avoiding contact adhesion and strike sparks.
Description of the drawings
Fig. 1 is the utility model reversing braking module section circuit diagram；
Fig. 2 is another part circuit diagram of the utility model reversing braking module.
Specific implementation mode
Below in conjunction with the embodiment that attached drawing 1 to 2 provides, the twin-power switch control system of the utility model is further illustrated
Reversing braking module specific implementation mode.The reversing braking module of the twin-power switch control system of the utility model is unlimited
In the following description.
As shown in Figs. 1-2, the reversing braking module of the utility model twin-power switch control system, it is automatic for dual power supply
Change-over switch, double power supply automatic transfer switch includes the common contact being connect with common power supply, it is spare to be connect with stand-by power supply
The input terminal of contact, controller, operating mechanism and motor, the reversing braking module is connect with controller, reversing braking module
Output end connect with motor；Motor is connect with operating mechanism, and controller controls the work electricity of motor by reversing braking module
Stream, being acted with pneumatic operating mechanism by motor makes double power supply automatic transfer switch often close, often divide, for four conjunction, back-up states
Conversion, when motor band pneumatic operating mechanism is converted in place between each state, reversing braking module generates one and original
Carry out the opposite reverse current control motor stalls in switching current direction.The reversing braking module of the utility model is in dual power supply
Automatic change-over carries out providing a switching current when state is converted into motor, in the moment of state conversion in place, generates one
A and opposite switching current reverse current is offseted with the rotator inertia of motor, avoids motor rotation excessive, to operating machine
The clutch of structure and deceleration device generate harmful effect, seriously affect the service life of operating mechanism.It the described normal conjunction and often respectively refers to
The closure and disjunction state for the common contact being connect with common power supply, standby conjunction and back-up respectively refer to connect with stand-by power supply spare
The closure and disjunction state of contact, the utility model preferably start reversing braking when four states are converted in place, generate anti-
To current control motor stalls；Certainly scheme is deteriorated as one kind, can also only started when partial status is converted in place
Reversing braking belongs to the scope of protection of the utility model.
A kind of embodiment of the reversing braking module of the twin-power switch control system of the utility model, reversing braking module
Including conversion driving current circuit, plugging current loop, microswitch and control switch；Microswitch is operated for judging
In place whether mechanism status converted, and conversion driving current circuit and motor are connected as motor power supply, plugging current loop with
Motor, which is connected as motor one reverse current opposite with original switching current direction of offer, makes motor braking, and converts driving electricity
The current direction on road and plugging current loop is flowed back on the contrary, the normally open contact and normally closed interlock of control switch are connected to
Convert the switching that circuit is used in driving current circuit and plugging current loop, controller and control switch connection control electricity
The rotation of machine.
Conversion driving current circuit includes the LC of sequentially connected positive pole, the poles LA of motor, the poles LB of motor, motor
Pole, the poles LD of motor, power cathode；Plugging current loop includes the poles LA, the poles LB of motor, electricity of sequentially connected motor
Hinder the poles LC of R, the poles LD of motor, motor；The normally open contact and normally closed interlock for controlling switch are connected to conversion driving current
The switching in circuit is used in circuit and plugging current loop.In conversion driving current circuit, control switch first is normal
Open contact is connected between positive pole and the poles LA of motor, control switch the second normally open contact be connected to motor the poles LB and
Between the poles LC of motor；In plugging current loop, control switch the second normally closed interlock be connected to motor the poles LB and
Between the poles LD of motor, the first normally closed interlock for controlling switch is connected between the poles LC of motor and the poles LA of motor.Certainly often
Open contact and normally closed interlock be it is opposite can be interchanged, in addition other positions in the loop can also be installed.The present embodiment
In, conversion driving current circuit include sequentially connected positive pole, the first normally open contact of control switch, motor the poles LA,
The poles LB of motor, the second normally open contact, the poles LC of motor, the poles LD of motor, the power cathode of control switch；Plugging electric current
Circuit includes the poles LA of sequentially connected motor, the poles LB of motor, the second normally closed interlock for controlling switch, the poles LD of motor, electricity
The poles LC of machine, the poles LA for controlling the first normally closed interlock, motor that switch；Convert driving current circuit and plugging current loop
The current direction provided for motor is opposite；It converts driving current circuit and provides electric current by 220V power supplys, plugging electric current returns
Road deenergization and by motor reversing braking, the operating mechanism of microswitch and double power supply automatic transfer switch is correspondingly arranged, and is grasped
Making mechanism drives the folding of microswitch whether in place to judge the conversion of each state, and microswitch is connected to control switch
In the control loop of control terminal, the closure for controlling control switch and disjunction.
When controller sends out state conversion instruction, control switch is closed, and the conducting of conversion driving current circuit carries for motor
For switching current, motor driver operation mechanism carries out state conversion, when moment, operating mechanism drive fine motion to open in place for state conversion
The folding of pass, it is that disjunction stops powering to motor to make control switch change state, and conversion driving current circuit disjunction is reversed simultaneously
Stalling current circuit is connected, and provides plugging electric current for motor, control motor fast braking prevents motor rotation excessive.It needs
Illustrate, conversion driving current circuit can be the electricity for making motor rotate forward normal conjunction state, or being backwards to normal isloation state
Machine rotates forward circuit or motor reversal circuit, and motor rotating forward circuit or motor reversal circuit here are opposite, can be recognized
To be conversion driving current circuit；And plugging current loop is in state conversion, moment connects in place, conversion at this time is driven
Streaming current circuit disconnects, and provides opposite electric current by the remaining inertia energy of motor and is braked.Control switch can be contact
The combination of device or contactor and relay.
It converts driving current circuit and is formed in state conversion process in double power supply automatic transfer switch and (including carried into motor
The reverse current circuit of electric current is rotated backward for rotating forward the forward current circuit of electric current and being provided for motor), plugging
Current loop is that moment connects in place in state conversion, converts driving current circuit at this time and disconnects, by the remaining inertia energy of motor
Amount provides opposite electric current and is braked.
As another embodiment, structure and a upper embodiment are essentially identical, and reversing braking module includes conversion driving electricity
Road, plugging current loop, microswitch and control switch are flowed back to, difference is that microswitch is connect with controller to control
Signal, controller connect control control switch disjunction and closed form with the control terminal of control switch in place for device feedback states conversion processed
The conversion of state.
Specifically, a specific embodiment as described in Fig. 1-2, motor band pneumatic operating mechanism action make dual power supply from turn
It changes switch to convert in four often conjunction, normal point, standby conjunction, back-up states, the reversing braking module includes double power-supply automatic transferring
Be transformed into often conjunction, often point, it is standby close, back-up position when be correspondingly arranged respectively with operating mechanism microswitch F4, microswitch F1,
Microswitch F2 and microswitch F3.When automatic change-over executes often conjunction instruction, microswitch F4 is disconnected to be sent out to controller
Normal conjunction state converts signal in place；Automatic change-over execute it is standby when closing instruction, microswitch F2 disconnect sent out to controller it is standby
Conjunction state converts signal in place；Microswitch F1 is disconnected to controller and is sent out normal isloation state conversion signal in place；Microswitch F3
It disconnects to controller and sends out back-up state conversion signal in place.
As shown in Figs. 1-2, the reversing braking module of the utility model twin-power switch control system, microswitch include micro-
Dynamic switch F4, microswitch F1, microswitch F2 and microswitch F3, relay K3, relay K4, relay K2, control are opened
Pass includes contactor K1；The one end microswitch F4 connect with controller input often close instruction, the other end of microswitch F4 with connect
Control terminal one end of tentaculum K1 connects；The control terminal of relay K3 connect the normal split instruction of input with controller, and relay K3's touches
Point is connect with one end of microswitch F1, and the other end of microswitch F1 is connect with one end of the control terminal of contactor K1；Relay
The control terminal of device K4 connect standby close of input with controller and instructs, and the contact of relay K4 is connect with one end of microswitch F2, micro-
The other end of dynamic switch F2 is connect with one end of the control terminal of contactor K1；It is standby that the one end microswitch F3 connect input with controller
Split instruction, the other end of microswitch F3 are connect with control terminal one end of contactor K1；The 4th foot of relay K2 and the first foot
It is connect with motor, the first foot and the octal connection of relay K2, one of the 9th foot and contactor K1 of relay K2
Normally opened contact is connected with one of normally-closed contact, the 4th foot of relay K2 and the connection of the 5th foot, and the 12nd of relay K2 the
Foot is connect with another normally-closed contact of contactor K1；The K1 of contactor is connected to the motor, and another of contactor K1 is normally opened tactile
Point is connect with positive pole；When motor band pneumatic operating mechanism is converted in place between each state, the production of reversing braking module
A raw current control motor stalls opposite with original current direction.The twin-power switch control system of the utility model
Reversing braking module, control motor rotation and stop module use contactor, effectively avoid contact adhesion and sparking show
As.
The ends COM are connect with controller in Fig. 1, in order to control the common end in circuit, are act as and are often closed, often divide, for conjunction, back-up
Circuit is constituted, 220V power supplys are provided for relay or contactor coil.(five lines come out from controller often close, often divide, is standby
Closing, back-up and COM) K2CONTROL of K2, K3, K4 is a network, controller sends out often point and standby closes instruction, K3, K4 relay
Device acts, and relay K2 is acted at this time, and the rotation direction of motor is reversed (K3 or K4 action, K2 is made to act), NF, NH in figure,
RH, RF are denoted as the instruction that controller is sent out, not true switch.
As shown in Figure 1, the reversing braking module of the utility model twin-power switch control system further includes resistance R, capacitance
C1 and resistance R1；Capacitance C1 and resistance R1 are connected in parallel between the 9th foot of relay K2 and the 5th foot of relay K2, electricity
Resistance R is connected in parallel between the 12nd foot of relay K2 and another normally-closed contact of contactor K1, and resistance R is for absorbing motor
Energy caused by braking, resistance R can absorb the extra energy generated due to rotator inertia as power resistor.
As shown in Fig. 2, the interface PJ-14 and PJ13 of contactor K1 are held in order to control, interface PJ-8 and interface PJ-12 is indirectly
Indirect first normally opened contact of second normally opened contact, interface PJ-5 and interface PJ-9, indirect the of interface PJ-4 and interface PJ-12
Indirect first normally-closed contact of two normally-closed contacts, interface PJ-1 and interface PJ-9.
As shown in Figs. 1-2, the contactor K1 interfaces PJ-14 passes through microswitch and relay K3, relay K4 respectively
It is connected, is connect with controller also by microswitch, contactor K1 passes through interface PJ-4, interface PJ-8, interface PJ-1 and relay
Device K2 connections, contactor K1 connect outside by interface PJ-13 and control signal common end COM, contactor K1 by interface PJ-5
Power supply (+220V power supplys in figure), the interface PJ-5 and PJ-14 of contactor K1 meet+220V power supplys (the interface PJ-5 of contactor K1
With PJ-14 only in the Chang Hechang points of standby implementation procedures for closing four instructions of back-up ,+220V just can turn on, and other times are disconnected
Open), control signal common end COM is connect with the ends -220V, and contactor K1 is connected by interface PJ-9 and interface PJ-12 and motor
It connects.
If controller sends out often to close and directly controls contactor K1 with back-up instruction, signal by microswitch and act.Such as
Fruit controller sends out normal split instruction, relay K3 actions, the K2 actions of band motor type relay, while also contactor K1 being driven also to act.
If controller sends out standby close and instructs, relay K4 actions, the K2 actions of band motor type relay, while also contactor K1 being driven also to move
Make.
Specifically, it is that motor is powered that the normally opened contact of contactor K1, which is closed, the normally-closed contact of contactor K1 be closed stop to
Motor is powered.Under Chang He, back-up state, contactor K1 is attracted, and relay K2 releases, it is motor that electric current, which forms forward current circuit,
Power supply, standby to close, under normal isloation state, contactor K1 is attracted, and relay K2 is also attracted, and electric current forms reverse current circuit and supplied for motor
Electricity.
When motor band pneumatic operating mechanism action makes double power supply automatic transfer switch be converted between each state, contact
The normally opened contact of device K1 is closed, by external power supply for conversion driving current circuit (including the forward current circuit and anti-of electric forming
To current loop) it is that motor is powered, when state converts moment, the normally open contact of contactor K1 disconnects, and external power supply stops
The normally-closed contact of power supply, contactor K1 is closed turn-on reversal stalling current circuit, is provided for motor by the remaining energy in circuit
One is braked motor with original reversed opposite electric current.
As shown in Figure 1, 2, it includes that the forward current circuit for rotating forward electric current is provided into motor to convert driving current circuit
With the reverse current circuit for rotating backward electric current is provided for motor.Above-mentioned forward current circuit (motor rotating forward) is that contactor K1 inhales
It closes, the PJ-9 and PJ-5 of contactor link together, and PJ-8 and PJ-12 link together；Relay K2 is in release conditions, after
9th foot of electric appliance and the first foot link together, the 4th foot and the 12nd foot link together (flow direction of electric current be 220V+ →
LA→LB→LC→LD→220V-)；Specifically, forward current circuit is positive pole, the PJ-5 of contactor K1, contactor K1
PJ-9, the poles LA of motor, the poles LB of motor, the PJ-12 of contactor K1, the PJ-8 of contactor K1, relay K2 the 9th foot,
The first foot of relay K2, the poles LC of motor, the poles LD of motor, the 4th foot of relay K2, relay K2 the 12nd foot, electricity
Source cathode.When moment, contactor K1 discharge in place for state conversion, the PJ-9 and PJ-1 of contactor link together, PJ-4 and PJ-
12 link together, and connect the plugging current loop of LA → LB → R → LD → LC.
Reverse current circuit (motor reversal) is that contactor K1 is attracted, and relay K2 is also attracted, the PJ-9 and PJ- of contactor
5 link together, and PJ-8 and PJ-12 link together；9th foot of relay and the 5th foot link together, octal and
12 feet link together (flow direction of electric current is 220V+ → LA → LB → LD → LC → 220V-).Specifically, reverse current returns
Road is positive pole, the PJ-5 of contactor K1, the PJ-9 of contactor K1, the poles LA of motor, the poles LB of motor, contactor K1
PJ-12, the PJ-8 of contactor K1, the 9th foot of relay K2, the 5th foot of relay K2, the poles LD of motor, motor the poles LC,
The octal of relay K2, the 12nd foot, the power cathode of relay K2.When state is converted moment in place, contactor K1 discharges,
The PJ-9 and PJ-1 of contactor link together, and PJ-4 and PJ-12 link together, and connect the anti-of LA → LB → R → LC → LD
To stalling current circuit.
Particularly, the braking scheme of motor can also use dynamic braking and regenerative braking, the mould of main control motor rotation
Block can also use relay.
As shown in Figs. 1-2, the reversing braking module of the utility model double power supply automatic transfer switch transmission mechanism, is situated between respectively
Continue automatic change-over it is normal close, often point, it is standby close, four conversions of back-up execute and stop when, the flow pattern of electric signal and anti-
Connect the way of realization of braking.
(1) it often closes
When automatic change-over is in an intermediate position, microswitch F4 and F2 by operating mechanism are in closed state,
Instruction is often closed if controller is sent out, then contactor K1 is attracted, and all in the state of disconnection, sense of current is other relays
220V+ → LA → LB → LC → LD → 220V-, at this time motor be in rotating forward state.
When switch goes to common position, microswitch F4 is disconnected, and K1 releases, at this moment reversing braking starts, and generates one
The electric current opposite with original current direction, sense of current is LA → LB → R → LD → LC at this time, and motor is enable to make rapidly
It is dynamic, and its energy generated is absorbed by the power resistor of 50W.
(2) standby to close
When automatic change-over is in an intermediate position, microswitch F4 and F2 by operating mechanism are in closed state,
If controller send out it is standby close instruction, relay K3 is attracted, and contactor K1 can be made to be attracted, at the same can also relay K2 be attracted,
Sense of current is 220V+ → LA → LB → LD → LC → 220V-, and motor is in inverted status at this time.
When switch goes to spare space, microswitch F2 is disconnected, and contactor K1 releases, relay K3 continues to be attracted, after
Electric appliance K2 continues to be attracted, and at this moment reversing braking starts, and generates an electric current opposite with original current direction, at this time the side of electric current
To for LA → LB → R → LC → LD, motor is enable to brake rapidly, what is generated can be absorbed by the power resistor of 50W.
(3) often divide
When automatic change-over is in common position, the microswitch F1 by operating mechanism is in closed state, such as controls
Device processed sends out normal split instruction, and relay K4 is attracted, and contactor K1 can be made to be attracted, at the same can also relay K2 be attracted, electric current
Direction be 220V+ → LA → LB → LD → LC → 220V-, at this time motor be in inverted status.
When switch goes to centre position, microswitch F1 is disconnected, and contactor K1 releases, relay K4 continues to be attracted, after
Electric appliance K2 continues to be attracted, and at this moment reversing braking starts, and generates an electric current opposite with original current direction, at this time the side of electric current
To for LA → LB → R → LC → LD, motor is enable to brake rapidly, what is generated can be absorbed by the power resistor of 50W.
(4) back-up
When automatic change-over is in spare space, the microswitch F3 by operating mechanism is in closed state, such as controls
Device processed sends out back-up instruction, then contactor K1 is attracted, other relays are all in the state of disconnection, sense of current 220V+
→ LA → LB → LC → LD → 220V-, at this time motor be in rotating forward state.
When switch goes to centre position, microswitch F3 is disconnected, and K1 releases, at this moment reversing braking starts, and generates one
The electric current opposite with original current direction, sense of current is LA → LB → R → LD → LC at this time, and motor is enable to make rapidly
It is dynamic, and its energy generated is absorbed by the power resistor of 50W.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the scope of protection of the utility model.
Claims (10)
1. a kind of reversing braking module of twin-power switch control system is used for double power supply automatic transfer switch, the reversal connection system
The input terminal of dynamic model block is connect with controller, and the output end of reversing braking module is connect with motor；It is characterized in that：Motor with it is double
The operating mechanism of power automatic transfer switch connects, and controller controls the operating current of motor, motor by reversing braking module
When band pneumatic operating mechanism action makes double power supply automatic transfer switch be converted in place between each state, reversing braking module
It generates a reverse current opposite with original switching current direction and controls motor stalls.
2. the reversing braking module of twin-power switch control system according to claim 1, it is characterised in that：Including conversion
The operation machine of driving current circuit, plugging current loop and microswitch, microswitch and double power supply automatic transfer switch
Whether in place structure is correspondingly arranged judges the conversion of operating mechanism state；Conversion driving current circuit is connected as motor power supply with motor,
Plugging current loop is connected as motor one reverse current opposite with original switching current direction of offer with motor makes electricity
Mechanism is dynamic, and converts the current direction of driving current circuit and plugging current loop on the contrary, the normally open contact that control switchs
The switching that circuit is used in conversion driving current circuit and plugging current loop, controller are connected to normally closed interlock
The rotation of connection control motor is switched with control.
3. the reversing braking module of twin-power switch control system according to claim 2, it is characterised in that：Conversion driving
Current loop includes sequentially connected positive pole, the poles LA of motor, the poles LB of motor, the poles LC of motor, the poles LD of motor, electricity
Source cathode.
4. the reversing braking module of twin-power switch control system according to claim 2, it is characterised in that：Plugging
Current loop include the poles LA of sequentially connected motor, the poles LB of motor, the poles LD of motor, the poles LC of motor, motor the poles LA.
5. the reversing braking module of twin-power switch control system according to claim 2, it is characterised in that：Reversing braking
Module includes relay K3, relay K4, relay K2, and microswitch includes microswitch F4, microswitch F1, microswitch
F2 and microswitch F3, control switch includes contactor K1；The one end microswitch F4 connect input with controller and often closes instruction, micro-
The other end of dynamic switch F4 is connect with control terminal one end of contactor K1；It is normal that the control terminal of relay K3 connect input with controller
The contact of split instruction, relay K3 is connect with one end of microswitch F1, the control of the other end and contactor K1 of microswitch F1
The one end at end processed connects；The control terminal of relay K4 connect standby close of input with controller and instructs, the contact of relay K4 and fine motion
One end of switch F2 connects, and the other end of microswitch F2 is connect with one end of the control terminal of contactor K1；Microswitch F3 mono-
End connect input back-up instruction with controller, and the other end of microswitch F3 is connect with control terminal one end of contactor K1；Relay
The 4th foot of device K2 and the first foot are connect with motor, the first foot and the octal connection of relay K2, the 9th foot of relay K2
It is connect with one of contactor K1 normally opened contact and one of normally-closed contact, the 4th foot of relay K2 and the 5th foot connect
It connects, the 12nd foot of relay K2 is connect with another normally-closed contact of contactor K1；The K1 of contactor is connected to the motor, contact
Another normally opened contact of device K1 is connect with positive pole.
6. the reversing braking module of twin-power switch control system according to claim 5, it is characterised in that：It further include electricity
Hinder R, capacitance C1 and resistance R1；Capacitance C1 and resistance R1 is connected in the 9th foot of relay K2 and the 5th foot of relay K2 in parallel
Between, resistance R is connected in parallel between the 12nd foot of relay K2 and another normally-closed contact of contactor K1.
7. the reversing braking module of twin-power switch control system according to claim 5 or 6, it is characterised in that：When certainly
When dynamic change-over switch is in an intermediate position, microswitch F4 and F2 by operating mechanism are in closed state, and controller is sent out often
Instruction is closed, contactor K1 is attracted, and relay K3, relay K4 and relay K2 are disconnected, and motor is in rotating forward state at this time；When opening
When pass goes to common position, microswitch F4 is disconnected, and contactor K1 releases generate an electricity opposite with original current direction
Stream, enables motor to brake rapidly.
8. the reversing braking module of twin-power switch control system according to claim 5 or 6, it is characterised in that：When certainly
When dynamic change-over switch is in an intermediate position, microswitch F4 and microswitch F2 by operating mechanism be in closed state, control
Device sends out standby close and instructs, and relay K3 is attracted, and contactor K1 is attracted, and relay K2 is attracted, and motor is in inverted status at this time；When
When switch goes to spare space, microswitch F2 is disconnected, and contactor K1 releases, relay K3 continues to be attracted, and relay K2 continues
It is attracted, generates an electric current opposite with original current direction, electric current reversely enables motor to brake rapidly.
9. the reversing braking module of twin-power switch control system according to claim 5 or 6, it is characterised in that：When certainly
When dynamic change-over switch is in common position, the microswitch F1 by operating mechanism is in closed state, and controller, which sends out often to divide, to be referred to
It enables, relay K4 is attracted, and contactor K1 is attracted, and relay K2 is attracted, and motor is in inverted status at this time；When switch goes to centre
When position, microswitch F1 is disconnected, and contactor K1 releases, relay K4 continues to be attracted, and relay K2 continues to be attracted, and generates one
The electric current opposite with original current direction, enables motor to brake rapidly.
10. the reversing braking module of twin-power switch control system according to claim 5 or 6, it is characterised in that：When certainly
When dynamic change-over switch is in spare space, the microswitch F3 by operating mechanism is in closed state, and controller sends out back-up and refers to
It enables, contactor K1 is attracted, and relay K3, relay K4 and relay K2 are disconnected, and motor is in rotating forward state at this time；When switch turns
When to centre position, microswitch F3 is disconnected, and contactor K1 releases generate an electric current opposite with original current direction, make
Motor can be braked rapidly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721773015.7U CN207664705U (en) | 2017-12-18 | 2017-12-18 | The reversing braking module of twin-power switch control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721773015.7U CN207664705U (en) | 2017-12-18 | 2017-12-18 | The reversing braking module of twin-power switch control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207664705U true CN207664705U (en) | 2018-07-27 |
Family
ID=62941573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721773015.7U Withdrawn - After Issue CN207664705U (en) | 2017-12-18 | 2017-12-18 | The reversing braking module of twin-power switch control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207664705U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108075563A (en) * | 2017-12-18 | 2018-05-25 | 上海电科电器科技有限公司 | The reversing braking module of twin-power switch control system |
| CN113547643A (en) * | 2021-06-24 | 2021-10-26 | 中联重科股份有限公司 | A controlling means and trucd mixer for trucd mixer |
-
2017
- 2017-12-18 CN CN201721773015.7U patent/CN207664705U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108075563A (en) * | 2017-12-18 | 2018-05-25 | 上海电科电器科技有限公司 | The reversing braking module of twin-power switch control system |
| CN108075563B (en) * | 2017-12-18 | 2024-03-26 | 上海电科电器科技有限公司 | Reverse connection braking module of dual power switch control system |
| CN113547643A (en) * | 2021-06-24 | 2021-10-26 | 中联重科股份有限公司 | A controlling means and trucd mixer for trucd mixer |
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