CN209281199U - A kind of automatic switch control circuit - Google Patents
A kind of automatic switch control circuit Download PDFInfo
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- CN209281199U CN209281199U CN201822177766.3U CN201822177766U CN209281199U CN 209281199 U CN209281199 U CN 209281199U CN 201822177766 U CN201822177766 U CN 201822177766U CN 209281199 U CN209281199 U CN 209281199U
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Abstract
The utility model discloses a kind of automatic switch control circuits, including single-chip microcontroller, detection circuit, switch, single-chip microcontroller is electrically connected with detection circuit, the switch includes switch input terminal, output switching terminal, switch input terminal is electrically connected with the input terminal of power supply circuit, it is characterized in that power supply circuit and single-chip microcontroller, the supplying power for input end of motor-drive circuit connects, the output end of motor-drive circuit is with motor for being electrically connected, single-chip microcontroller is connect by motor-drive circuit with motor control, motor is connect by switch drive with switch control, detection circuit includes switch opening and closing state detection circuit, hand auto state detection circuit.The utility model has Signals collecting function, long-range divide-shut brake, solves the problems, such as that traditional double relay is attracted that energy consumption is larger and long-range control is difficult.
Description
Technical field
The utility model relates to technical field of circuit control more particularly to a kind of automatic switch control circuits.
Background technique
At present intelligent building management in, especially in intelligent building power management, tenant owe the electricity charge or owe rents gold when
Realize automatic circuit break function, presently, there are blank in the industry, this needs an automatic switch cooperation to complete, has currently on the market
A kind of small-sized prepayment breaker being named as automatic reclosing, the patent No. similar with the function of automatic switch
201520361532.8 utility model patent, relate to a kind of small-sized prepayment breaker of automatic reclosing control electricity
Road needs to complete the power supply and power-off of power module by two relays such as its attached Fig. 1 and 2, realizes divide-shut brake function,
Relay actuation energy consumption is larger, although circuit is relatively simple, in today of smart city development, basic function can not expire
The current demand of foot.The present invention increases Signals collecting function, to switch at different conditions position by changing circuit control structure
Long-range divide-shut brake provide higher requirement.The utility model provides a kind of automatic switch control circuit, existing to solve
In technology the problem of control circuit not smart enoughization.
Utility model content
The purpose of this utility model is to provide a kind of automatic switch control circuits, have Signals collecting function, according to not
The advantages of carrying out long-range divide-shut brake with state solves traditional double relay and is attracted that energy consumption is larger and long-range control is difficult asks
Topic.
In order to achieve the above objectives, the utility model adopts the following technical solution: a kind of automatic switch control circuit, including list
Piece machine, detection circuit, switch, single-chip microcontroller are electrically connected with detection circuit, and the switch includes switch input terminal, output switching terminal,
Switch input terminal is electrically connected with the input terminal of power supply circuit, it is characterised in that power supply circuit and single-chip microcontroller, motor-drive circuit
Supplying power for input end connection, for the output end of motor-drive circuit with motor for being electrically connected, single-chip microcontroller passes through motor-drive circuit and electricity
Machine control connection, motor are connect by switch drive with switch control, and detection circuit includes switch opening and closing state detection
Circuit, hand auto state detection circuit.
Further, power supply circuit includes power input, metal-oxide-semiconductor, current regulator power supply chip U6, voltage stabilizing chip U7,
Power input is made of power input positive terminal, power input negative pole end, power input positive terminal and power input negative pole end
Between and connect RV1 varistor, and connect the power input positive terminal after RV1 varistor and be divided into two-way；
And connect power input positive terminal after RV1 varistor wherein all the way after diode D4, D7, inductance L1 filtering point
For two branches, one branch and the Q1 connection for connecting metal-oxide-semiconductor, another branch are grounded after discharge capacity C10；
And connect power input positive terminal after RV1 varistor all the way after one-way conduction diode D1 with it is parallel with one another
It is depressured current-limiting resistance R4, decompression current-limiting resistance R23, decompression current-limiting resistance R1 series connection；
Decompression current-limiting resistance R4 connects diode D1O negative pole end after resistance R18 again current limliting；
It is depressured current-limiting resistance R23 current collection with the base stage of triode V2, triode V1 respectively after resistance R8 again current limliting
The base stage of pole connection, triode V1 is connected through the pin 3 of resistance R10 current limliting and single-chip microcontroller, is connected when single-chip microcontroller triggers with ground；
Decompression current-limiting resistance R1 is connected through resistance R3 with the collector of triode V2, and the emitter of triode V2 is divided into two
Road, wherein a branch is connected with the pin 4 of current regulator power supply chip U6, another branch after capacitor C1 charging with it is parallel with one another
Resistance R7, capacitor C2 series connection after be connected with the pin 5 of current regulator power supply chip U6, the pin of current regulator power supply chip U6
It is connect after 5 resistance R11 through being sequentially connected in series, resistance R15, resistance R28 with power input cathode；
The other both ends of the metal-oxide-semiconductor simultaneously connect pin 1, pin after dropping resistor R6 respectively at current regulator power supply chip U6
3 are connected, the pin 3 of current regulator power supply chip U6 connect sampling resistor R13 respectively with inductance L2, diode D6 negative pole end, electricity
Source inputs cathode connection；
D6 anode is connected with power input negative pole end；
It is connect after between inductance L2 access resistance R15 and resistance R28 with the positive terminal of charging capacitor C14, and it is defeated to draw 12V
The positive terminal of power supply out, the positive terminal of 12V out-put supply are connect with the pin 2 of voltage stabilizing chip U7, and the pin 3 of voltage stabilizing chip U7 passes through
The positive terminal of 5V out-put supply is drawn after one-way conduction diode D3；
The negative pole end of the charging capacitor C14 is connect with power input cathode.
Further, the hand auto state detection circuit includes toggle switch K1, the positive terminal of the 5V out-put supply
It is divided into two-way after resistance R19 current limliting, wherein power input cathode, another way are limited through resistance R24 after toggle switch K1 all the way
The pin 2 of single-chip microcontroller is connected after stream, the pin 2 of single-chip microcontroller is grounded after discharge capacity C21.
It further, further include host computer, data processing module, host computer is electrically connected by data processing module and single-chip microcontroller
It connects.
Further, the switch opening and closing state detection circuit includes travel position detection circuit, off-position detection
Circuit.
Further, the travel position detection circuit include monopole Hall switch U2, monopole Hall switch U3, monopole suddenly
You are switch U4；
Monopole Hall switch U2: it is mounted on switch motion mechanism automatic trip position；
Monopole Hall switch U3: it is mounted on switch motion mechanism manual trip position；
Monopole Hall switch U4: it is mounted on switch motion mechanism closing position.
Further, the off-position detection circuit includes resistance R20, resistance R21, and resistance R20, resistance R21 are through going here and there
One end after connection is electrically connected with output switching terminal positive terminal, port 2 of the other end through external terminal J3 and upper mechatronics.
Further, the port host computer external terminal J3 1 is divided into three tunnels after resistance R16, R17 are depressured current limliting, wherein one
Road connects resistance R12, and the other end of resistance R12 is connected to ground after light emitting diode D8；
It is connected to ground after resistance R14, capacitor C19 are parallel with one another all the way；
It is connect after resistance R22 current limliting with the pin 1 of single-chip microcontroller all the way.
Further, the motor-drive circuit includes electric power driving module, the power input of electric power driving module with
12V out-put supply electrical connection on power supply circuit, the power output end of electric power driving module are electrically connected with motor, power drives mould
The control terminal and monolithic mechatronics of block.
The utility model has the beneficial effect that compared with prior art
1. not needing relay, operation energy consumption is reduced, increases service performance, providing one kind can long-range divide-shut brake function
The automatic switch control circuit of energy, has automatic detection function, can detecte the working condition of breaker.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.
In the accompanying drawings:
Fig. 1 be the utility model proposes a kind of automatic switch control circuit system structure diagram；
Fig. 2 be the utility model proposes a kind of automatic switch control circuit in power supply circuit circuit diagram；
Fig. 3 be the utility model proposes a kind of automatic switch control circuit in single-chip microcontroller connection schematic diagram；
Fig. 4 be the utility model proposes travel position detection circuit circuit diagram；
Fig. 5 be the utility model proposes a kind of automatic switch control circuit structural schematic diagram；
Fig. 6 be the utility model proposes hand auto state detection circuit circuit diagram；
Fig. 7 be the utility model proposes data processing module circuit diagram；
Fig. 8 be the utility model proposes a kind of automatic switch travel position schematic diagram.
In figure: 1- power supply circuit, 2- switch, the detection of 3- single-chip microcontroller, 4- motor-drive circuit, 5- motor, 6- off state
Circuit, 61- off-position detection circuit, 62- travel position detection circuit, 7- hand auto state detection circuit, 9- host computer,
21- switch input terminal, 22- output switching terminal, A- automatic trip position, B- hand trip(ping) position, C- closing position.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig.1-8, a kind of automatic switch control circuit, including single-chip microcontroller 3, detection circuit, switch 2, single-chip microcontroller 3 and inspection
Slowdown monitoring circuit electrical connection, the switch 2 include switch input terminal 21, output switching terminal 22, switch input terminal 21 and power supply circuit 1
Input terminal electrical connection, it is characterised in that power supply circuit 1 is connect with the supplying power for input end of single-chip microcontroller 3, motor-drive circuit 4, motor
The output end of driving circuit 4 is with motor 5 for being electrically connected, and single-chip microcontroller 3 is connected by motor-drive circuit 4 and the control of motor 5, motor
5 are connected by switch drive and the control of switch 2, and detection circuit includes switch opening and closing state detection circuit 6, the automatic shape of hand
State detection circuit 7.
Power supply circuit 7 includes power input, metal-oxide-semiconductor, current regulator power supply chip U6, voltage stabilizing chip U7, power input
End is made of power input positive terminal, power input negative pole end, between power input positive terminal and power input negative pole end and is connect
RV1 varistor, and connect the power input positive terminal after RV1 varistor and be divided into two-way；And power supply is defeated after connecing RV1 varistor
Enter positive terminal is wherein divided into two branches after diode D4, D7, inductance L1 filtering all the way, one branch with connect metal-oxide-semiconductor
Q1 connection, another branch are grounded after discharge capacity C10；
And connect power input positive terminal after RV1 varistor all the way after one-way conduction diode D1 with it is parallel with one another
It is depressured current-limiting resistance R4, decompression current-limiting resistance R23, decompression current-limiting resistance R1 series connection；
Decompression current-limiting resistance R4 connects diode D1O negative pole end after resistance R18 again current limliting；
It is depressured current-limiting resistance R23 current collection with the base stage of triode V2, triode V1 respectively after resistance R8 again current limliting
Pole connection, the base stage of triode V1 are connect through resistance R10 current limliting with the pin 3 of single-chip microcontroller 3, are connected when single-chip microcontroller 3 triggers with ground；
Decompression current-limiting resistance R1 is connected through resistance R3 with the collector of triode V2, and the emitter of triode V2 is divided into two
Road, wherein a branch is connected with the pin 4 of current regulator power supply chip U6, another branch after capacitor C1 charging with it is parallel with one another
Resistance R7, capacitor C2 series connection after be connected with the pin 5 of current regulator power supply chip U6, the pin of current regulator power supply chip U6
It is connect after 5 resistance R11 through being sequentially connected in series, resistance R15, resistance R28 with power input cathode；
The other both ends of metal-oxide-semiconductor simultaneously connect the pin 1 after dropping resistor R6 respectively at current regulator power supply chip U6,3 phase of pin
Even, it is defeated with inductance L2, diode D6 negative pole end, power supply respectively to connect sampling resistor R13 for the pin 3 of current regulator power supply chip U6
Enter cathode connection；
D6 anode is connected with power input negative pole end；
It is connect after between inductance L2 access resistance R15 and resistance R28 with the positive terminal of charging capacitor C14, and it is defeated to draw 12V
The positive terminal of power supply out, the positive terminal of 12V out-put supply are connect with the pin 2 of voltage stabilizing chip U7, and the pin 3 of voltage stabilizing chip U7 passes through
The positive terminal of 5V out-put supply is drawn after one-way conduction diode D3；
The negative pole end of charging capacitor C14 is connect with power input cathode；
The hand auto state detection circuit 7 includes toggle switch K1, and the positive terminal of the 5V out-put supply is through resistance R19
It is divided into two-way after current limliting, wherein the power input cathode after toggle switch K1 all the way, another way connects single after resistance R24 current limliting
The pin 2 of the pin 2 of piece machine 3, single-chip microcontroller 3 is grounded after discharge capacity C21；
There are two state of a controls by toggle switch K1, and one is to manually control position: toggle switch K1 switch connection position, and one
A is to automatically control position: toggle switch K1 switchs open position；
When toggle switch K1 switchs open position, signal is after resistance R24 current limliting by high level signal to single-chip microcontroller 3
Pin 2, single-chip microcontroller 3 is judged as automatic control mode at this time；
When K1 switch is in on-position, signal is grounded after resistance R19 current limliting, is sent into the high level letter of single-chip microcontroller 3
It number is pulled low as low level signal, single-chip microcontroller 3 is judged as MANUAL CONTROL mode at this time；
Automatic switch control circuit is external to connect host computer 9, data processing module 10, host computer 9 with single-chip microcontroller (3) control
It is electrically connected by data processing module 10 with single-chip microcontroller 3, data processing module 10 is RS485 communication module；
The switch opening and closing state detection circuit 6 includes travel position detection circuit 62, off-position detection circuit 61；
The travel position detection circuit 62 includes monopole Hall switch U2, monopole Hall switch U3, monopole Hall switch
U4；
Monopole Hall switch U2: it is mounted on switch motion mechanism automatic trip position A short circuit, near overload trip position；
Monopole Hall switch U3: be mounted on switch motion mechanism manual trip position B operate a switch manually, signal driving tripping position
Near setting；
Monopole Hall switch U4: it is attached that switch motion mechanism closing position C closing by hand, signal driving closing position are mounted on
Closely.
The magnetic field signal sensed is connected circuit in different trips position by detection operation mechanism by monopole Hall switch
Generate digital voltage signal to single-chip microcontroller 3, single-chip microcontroller 3 by detecting the current position of the switch, by external command signal come
Movement is performed the next step, such as original receives trip command with regard to achievable tripping in closing position, but if original in itself in combined floodgate
Position, any operation will not be executed by receiving reclosing command, and such as switch trips in the short circuit of automatic trip position, overload fault,
External signal control automatic closing is not received at this time；
Under automatic control mode, allow long-range separating brake, remote switching, only allows long-range separating brake in a manual mode, no
Allow remote switching, it can only on-site manual combined floodgate；
The off-position detection circuit 61 include resistance R20, resistance R21, resistance R20, resistance R21 be concatenated after one
End is electrically connected with 22 positive terminal of output switching terminal, and the other end is electrically connected through the port 2 of external terminal J3 with host computer 9.
Off-position detection circuit 61 takes voltage signal by switch wire outlet terminal, after being depressured by resistance R20, R21 current limliting
Host computer is connected by connecting terminal 2, whether real-time detection distribution line powers off, i.e. switch lower end has detected whether electricity；There is electricity
Indicate that power supply is normal, no electrical representation abnormal electrical power supply.
9 port external terminal J3 1 of host computer is divided into three tunnels after resistance R16, R17 are depressured current limliting, wherein connection electricity all the way
R12 is hindered, the other end of resistance R12 is connected to ground after light emitting diode D8；
It is connected to ground after resistance R14, capacitor C19 are parallel with one another all the way；
It is connect after resistance R22 current limliting with the pin 1 of single-chip microcontroller 3 all the way.
The motor-drive circuit 4 includes electric power driving module, the power input and power supply circuit 1 of electric power driving module
On the electrical connection of 12V out-put supply, the power output end of electric power driving module is electrically connected with motor, the control of electric power driving module
End and monolithic mechatronics, electric power driving module is photoisolator.
For host computer 9 when issuing control signal is high level, i.e. switching signal, LEDs ON is as control at this time
Property number instruction, at this moment single-chip microcontroller 3 first determines whether switch originally in automatic control mode state or MANUAL CONTROL mode；
1) when switching in automatic control mode state, allow automatic brake separating or combined floodgate at this time, in separating brake by host computer
Order of closing a floodgate is sent, positive control signal is exported after being judged by single-chip microcontroller 3 to motor-drive circuit 4, to control 5 up time of motor
Needle rotation disconnects motor working power when single-chip microcontroller 3 detects switch in closing position, keeps "on" position；It is closing a floodgate
When trip signal sent by host computer, single-chip microcontroller 3 receives after trip signal judgement output reverse control signal to motor driven electricity
Road 4 rotates counterclockwise to control motor 5, when single-chip microcontroller 3 detects switch in open position, disconnects motor work electricity
Source keeps "on" position；
Single-chip microcontroller first has to pass through switch when receiving the divide-shut brake instruction progress operation in next step that host computer 9 is sent
When remote holder auto state detects and switchs current the location of opening and closing state, Lai Jinhang discriminates whether to perform the next step
Movement；It is in place come detection switch actuating mechanism stroke institute by monopole Hall switch U2, U3, U4 to switch the position being presently in
It sets, position is divided into: automatic trip position A, hand trip(ping) position B, closing position C；
When switch is in closing position C, host computer 9 issues power-off signal at this time, and single-chip microcontroller 3 triggers motor driven electricity immediately
5 forward voltage of motor is given on road 4, rotates counterclockwise motor 5 and switch drive is driven to make switch trip；Switch reaches jumps manually
When gate position B, stops powering to motor immediately, keep tripped condition；
When switch is in hand trip(ping) position B, host computer 9 issues electric signals at this time, and single-chip microcontroller triggers motor drive immediately
Dynamic circuit 4 gives 5 backward voltage of motor, rotates clockwise motor 5 and drives switch drive that switch is made to close a floodgate；It is arrived when in switch
When up to closing position C, stops powering to motor immediately, keep "on" position；
When switch is when being in automatic trip position A, acquisition control issues electric signals at this time, and single-chip microcontroller does not execute combined floodgate
Instruction.
2) when switch is in MANUAL CONTROL mode state, then the judgement of single-chip microcontroller 1 at this time does not allow automatic closing；Work as switch
When in closing position, host computer 9 issues control signal when being low level signal, i.e. sub-gate signal, at this time light emitting diode without
Power supply extinguishes, no control signal designation, and single-chip microcontroller 3 triggers motor-drive circuit 4 to 5 forward voltage of motor immediately, keeps motor 5 inverse
Hour hands rotation drives switch drive to make switch trip；When switch reaches hand trip(ping) position B, stop supplying motor immediately
Electricity keeps tripped condition；
For single-chip microcontroller by data processing module and host computer communication connection, it is (i.e. automatic that single-chip microcontroller 3 will switch location
Trip position A, hand trip(ping) position B, closing position C), the location status information of toggle switch K1 (manually control position, from
Dynamic control position) it is sent to host computer, the signal and off-position detection circuit 61 that host computer is sent according to single-chip microcontroller 1 are upwards
The signal that position machine issues is judged；
Host computer can determine whether out the switch operating condition of different condition by itself sending order and switch current state；
Toggle switch K1 is automatically controlling position, and when switch is in automatic trip position, and power failure detection circuit detects
To no electricity, host computer is judged as fault trip；
Toggle switch K1 is automatically controlling position, and when switch is in closing position, and power failure detection circuit has detected
Electricity, host computer are judged as normal power supply；
Toggle switch K1 is automatically controlling position, and when switch is in closing position, and power failure detection circuit detects nothing
Electricity, host computer are judged as that switch end of incoming cables distribution system is abnormal；
Toggle switch K1 is automatically controlling position, and when switch is in hand trip(ping) position, and host computer is not transmitted across
When trip signal, it is judged as and manually operates a switch；
Toggle switch K1 is automatically controlling position, and when switch is in hand trip(ping) position, and host computer has sent tripping
When order, it is judged as that normal long-range control is operated a switch；
Toggle switch K1 is automatically controlling position or is manually controlling position, when switch is in closing position, host computer hair
Send trip remotely command signal: if 1, institute it is stateful do not change, be judged as trip remotely command signal exception or device
Failure；If 2, executing movement, switch is in hand trip(ping) position, and power failure detection circuit detects no electricity, is judged as normal remote
Process control power-off；If 3, executing movement, switch is in hand trip(ping) position, and power failure detection circuit has detected electricity, is judged as
Long-range power-off failure (switch internal failure, actuating mechanism is working properly, and switch contact does not separate)；
Toggle switch K1 is automatically controlling position, and when switch is in hand trip(ping) position, host computer sends remote switching
Command signal: if 1, institute it is stateful do not change, be judged as remote switching command signal exception or plant failure；If 2, holding
Action is made, and switch is in closing position, and power failure detection circuit has detected electricity, is judged as normal long-range control power transmission；If 3,
After execution movement, switch is in closing position, and power failure detection circuit detects no electricity, is judged as long-range power transmission failure (distribution
System blackout)；
Toggle switch K1 is manually controlling position, upper when switch is in hand trip(ping) position or automatic trip position
Machine sends remote switching command signal, does not execute feed motion at this time, is judged as that remote switching order is invalid；
The model of metal-oxide-semiconductor: 1N60；
The model of voltage stabilizing chip U7: ME6209A-33P；
The model of current regulator power supply chip U6: BP6519；
The model of monopole Hall switch U2, monopole Hall switch U3, monopole Hall switch U4: OH37；
The model of electric power driving module: MY9001S；
The model of single-chip microcontroller: HC89S003F4；
Place is not described in detail for the utility model, is the well-known technique of those skilled in the art.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (9)
1. a kind of automatic switch control circuit, including single-chip microcontroller (3), detection circuit, switch (2), single-chip microcontroller (3) and detection circuit
Electrical connection, the switch (2) include switch input terminal (21), output switching terminal (22), switch input terminal (21) and power supply circuit
(1) input terminal electrical connection, it is characterised in that power supply circuit (1) and the input terminal of single-chip microcontroller (3), motor-drive circuit (4) supply
Electrical connection, for the output end of motor-drive circuit (4) with motor (5) for being electrically connected, single-chip microcontroller (3) passes through motor-drive circuit (4)
It controls and connects with motor (5), motor (5) is connected by switch drive and switch (2) control, and detection circuit includes switch point
"on" position detection circuit (6), hand auto state detection circuit (7).
2. automatic switch control circuit according to claim 1, it is characterised in that: power supply circuit (1) includes power input
End, metal-oxide-semiconductor, current regulator power supply chip U6, voltage stabilizing chip U7, power input are born by power input positive terminal, power input
It is extreme to constitute, between power input positive terminal and power input negative pole end and RV1 varistor is connect, and after connecing RV1 varistor
Power input positive terminal be divided into two-way；
And connect power input positive terminal after RV1 varistor is wherein divided into two after diode D4, D7, inductance L1 filtering all the way
Branch, one branch are grounded after discharge capacity C10 with the connection of the one end metal-oxide-semiconductor Q1, another branch is connect；
And connect power input positive terminal after RV1 varistor all the way after one-way conduction diode D1 with decompression parallel with one another
Current-limiting resistance R4, decompression current-limiting resistance R23, decompression current-limiting resistance R1 series connection；
Decompression current-limiting resistance R4 connects diode D1O negative pole end after resistance R18 again current limliting；
Current-limiting resistance R23 is depressured to connect with the collector of the base stage of triode V2, triode V1 respectively after resistance R8 again current limliting
It connects, the base stage of triode V1 is connect through resistance R10 current limliting with the pin 3 of single-chip microcontroller (3), is connected when single-chip microcontroller (3) triggers with ground；
Decompression current-limiting resistance R1 is connected through resistance R3 with the collector of triode V2, and the emitter of triode V2 is divided into two branches,
Wherein a branch is connected with the pin 4 of current regulator power supply chip U6, another branch through capacitor C1 charging after with it is parallel with one another
It is connected after resistance R7, capacitor C2 series connection with the pin 5 of current regulator power supply chip U6, the pin 5 of current regulator power supply chip U6
It is connect after resistance R11, resistance R15, resistance R28 through being sequentially connected in series with power input cathode；
The other both ends of the metal-oxide-semiconductor simultaneously connect the pin 1 after dropping resistor R6 respectively at current regulator power supply chip U6,3 phase of pin
Even, it is defeated with inductance L2, diode D6 negative pole end, power supply respectively to connect sampling resistor R13 for the pin 3 of current regulator power supply chip U6
Enter cathode connection；
D6 anode is connected with power input negative pole end；
It is connect after between inductance L2 access resistance R15 and resistance R28 with the positive terminal of charging capacitor C14, and draws 12V output electricity
The positive terminal in source, the positive terminal of 12V out-put supply are connect with the pin 2 of voltage stabilizing chip U7, and the pin 3 of voltage stabilizing chip U7 is through unidirectional
The positive terminal of 5V out-put supply is drawn after conducting diode D3；
The negative pole end of the charging capacitor C14 is connect with power input cathode.
3. automatic switch control circuit according to claim 2, it is characterised in that: the hand auto state detection circuit
It (7) include toggle switch K1, the positive terminal of the 5V out-put supply is divided into two-way after resistance R19 current limliting, wherein all the way through dialling
Power input cathode after code switch K1, another way connect the pin 2 of single-chip microcontroller (3) after resistance R24 current limliting, single-chip microcontroller (3)
Pin 2 is grounded after discharge capacity C21.
4. automatic switch control circuit according to claim 1, it is characterised in that: outside is equipped with host computer (9), at data
It manages module (10), host computer (9) is electrically connected by data processing module (10) with single-chip microcontroller (3).
5. automatic switch control circuit according to claim 1, it is characterised in that: the switch opening and closing state detection electricity
Road (6) includes travel position detection circuit (62), off-position detection circuit (61).
6. automatic switch control circuit according to claim 5, it is characterised in that: the travel position detection circuit (62)
Including monopole Hall switch U2, monopole Hall switch U3, monopole Hall switch U4；
Monopole Hall switch U2: it is mounted on switch motion mechanism automatic trip position (A)；
Monopole Hall switch U3: it is mounted on switch motion mechanism manual trip position (B)；
Monopole Hall switch U4: it is mounted on switch motion mechanism closing position (C).
7. automatic switch control circuit according to claim 5, it is characterised in that: the off-position detection circuit (61)
Including resistance R20, resistance R21, resistance R20, resistance R21 be concatenated after one end and output switching terminal (22) positive terminal be electrically connected
It connects, port 2 of the other end through external terminal J3 is electrically connected with host computer (9).
8. automatic switch control circuit according to claim 4, it is characterised in that: host computer (9) passes through external terminal J3
Port 1 through resistance R16, R17 be depressured current limliting after be divided into three tunnels, wherein all the way connect resistance R12, resistance R12 the other end warp
It is connected to ground after light emitting diode D8；
It is connected to ground after resistance R14, capacitor C19 are parallel with one another all the way；
It is connect after resistance R22 current limliting with the pin 1 of single-chip microcontroller (3) all the way.
9. automatic switch control circuit according to claim 1 or 2, it is characterised in that: motor-drive circuit (4) packet
Electric power driving module is included, the power input of electric power driving module is electrically connected with the 12V out-put supply on power supply circuit (1), electricity
The power output end of source drive module is electrically connected with motor, the control terminal and monolithic mechatronics of electric power driving module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822177766.3U CN209281199U (en) | 2018-12-24 | 2018-12-24 | A kind of automatic switch control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822177766.3U CN209281199U (en) | 2018-12-24 | 2018-12-24 | A kind of automatic switch control circuit |
Publications (1)
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| CN201822177766.3U Active CN209281199U (en) | 2018-12-24 | 2018-12-24 | A kind of automatic switch control circuit |
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