CN107658972A - The double protection emergency starting systems of standby dual power supply generator - Google Patents
The double protection emergency starting systems of standby dual power supply generator Download PDFInfo
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- CN107658972A CN107658972A CN201710982967.8A CN201710982967A CN107658972A CN 107658972 A CN107658972 A CN 107658972A CN 201710982967 A CN201710982967 A CN 201710982967A CN 107658972 A CN107658972 A CN 107658972A
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- resistance
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- negative pole
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/08—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems requiring starting of a prime-mover
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/045—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage adapted to a particular application and not provided for elsewhere
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a kind of double protection emergency starting systems of standby dual power supply generator, it is characterised in that：Including control chip U1; electric capacity C5, electric capacity C6, electric capacity C4; resistance R8; resistance R9, resistance R10, the chip drive circuit being connected with control chip U1; the two-supply circuit being connected with chip drive circuit; the emergent decision circuitry being connected with control chip U1, the motor protective circuit being connected with emergent decision circuitry, and the chip drives protection circuit being connected with control chip U1.The invention provides a kind of double protection emergency starting systems of standby dual power supply generator; duplex feeding is provided for system; with ensure the stabilization of system operation with it is firm; also so that in system the connection of component it is more reasonable; system is reduced by the probability of circuit damage; also reduce production and the use cost of system well simultaneously so that product can be popularized preferably.
Description
Technical field
The invention belongs to generator powered field, in particular to a kind of double protection emergency starting systems of standby dual power supply generator
System.
Background technology
Nowadays, either life or production be unable to do without electric energy, if having a power failure suddenly, it will largely effecting on people just
Often life and production.In order to ensure that life is normally carried out with what is produced, most cell, market and enterprise can set standby
By the use of generator as temporary power power supply, to tackle situation about having a power failure suddenly.But stand-by generator of today is having a power failure
The reaction of startup optimization is slower afterwards, and most stand-by generator is required to artificially be started；Although and a small number of generator
Emergency starting system is provided with, but its price is universal to be costly unfavorable for the popularization of equipment, and due to the system design
The defects of so that the system is easy to the circuit damage fluctuated when standby, shortens the service life of system, also simultaneously
Need frequently to carry out maintenance and repair, aggravated the burden of user significantly.
The content of the invention
It is an object of the invention to overcome above mentioned problem, there is provided a kind of double protection emergency startings of standby dual power supply generator
System, duplex feeding is provided for system, to ensure the stabilization of system operation with firm, also cause the connection of component in system more
Adduction is managed, and reduces system by the probability of circuit damage, while also reduce production and the use cost of system well so that
Product can be popularized preferably.
The purpose of the present invention is achieved through the following technical solutions：
The double protection emergency starting systems of standby dual power supply generator, including control chip U1, positive pole while and control chip
U1 TRIG pins and THRES pins is connected, the electric capacity C5 that negative pole is connected with control chip U1 GND pins, positive pole with
The electric capacity C6 that control chip U1 CONT pins are connected, negative pole is connected with electric capacity C5 negative pole, negative pole and electric capacity C5 are just
The electric capacity C4 that pole is connected, positive pole is connected after resistance R9 with electric capacity C5 negative pole, one end is connected with electric capacity C4 positive pole,
The resistance R8 that the other end is connected after resistance R10 with electric capacity C4 negative pole, the chip drives electricity being connected with control chip U1
Road, the two-supply circuit being connected with chip drive circuit, the emergent decision circuitry being connected with control chip U1, sentence with emergent
The motor protective circuit that deenergizing is connected, and the chip drives protection circuit being connected with control chip U1, wherein controlling
Chip U1 model NE555；The two-supply circuit is by triode VT101, and unidirectional thyristor VS101, positive pole is through resistance
It is connected after R101 with triode VT101 emitter stage, the electric capacity C101 that negative pole is connected with triode VT101 base stage, goes here and there
The resistance R104 being connected between triode VT101 emitter stage and base stage, positive pole is connected with electric capacity C101 negative pole, negative pole is suitable
Secondary electric capacity C102, the N pole being connected after resistance R103 and resistance R102 with electric capacity C101 positive pole and resistance R102 and resistance
The voltage-regulator diode D102 that R103 tie point is connected, negative pole is connected after resistance R105 with electric capacity C102 positive pole, just
The electric capacity C103 that pole is connected with triode VT101 colelctor electrode, negative pole is connected with electric capacity C101 negative pole, positive pole and electric capacity
The electric capacity C104 that C103 negative pole is connected, negative pole is connected after resistance R107 with electric capacity C103 positive pole, one end and electric capacity
Resistance R107, the N pole and electric capacity C103 negative pole phase that C103 positive pole is connected, the other end is connected with electric capacity C104 negative pole
The voltage-regulator diode D101 that connection, P poles are connected after resistance R106 with voltage-regulator diode D102 P poles, one end and electric capacity
C104 negative pole is connected, the other end is connected after resistance R108 with voltage-regulator diode D102 P poles, sliding end and electric capacity
The slide rheostat RP101 that C102 negative pole is connected, one end is connected with voltage-regulator diode D102 P poles, the other end and list
The relay K101 being connected to IGCT VS101 N poles, and P poles are connected with unidirectional thyristor VS101 control pole, N
The diode D103 compositions that pole is connected after relay K101 normally-closed contact K101-1 with unidirectional thyristor VS101 P poles；
Wherein, triode VT1 colelctor electrode is connected with unidirectional thyristor VS101 P poles, and voltage-regulator diode D102 P poles are through relay
Form the first power input of the two-supply circuit after device K101 normally-closed contact K101-2 with diode D103 P poles, three
Pole pipe VT101 emitter stage forms the second source input of the two-supply circuit, voltage stabilizing two with voltage-regulator diode D102 P poles
Pole pipe D102 P poles form the two-supply circuit after relay K101 normally-closed contact K101-2 with diode D103 N poles
Power output end and be connected with chip drive circuit.
Preferably, the chip drive circuit is connected with triode VT1 base stage by triode VT1, one end, is another
Hold the resistance R1 being connected after resistance R2 with triode VT1 colelctor electrode, current collection of the positive pole after resistance R3 with triode VT1
The electric capacity C1 that pole is connected, negative pole is connected after resistance R4 with triode VT1 emitter stage, the electricity being arranged in parallel with electric capacity C1
R6 is hindered, N poles are connected after resistance R7 with electric capacity C1 negative pole, P poles are sequentially after resistance R5 and electric capacity C2 with triode VT1's
The voltage-regulator diode D2 that base stage is connected, positive pole is connected with voltage-regulator diode D2 N poles, negative pole and voltage-regulator diode D2 P
Electric capacity C3, the P pole that pole is connected is connected with electric capacity C1 positive pole, N poles are connected with resistance R8 and resistance R10 tie point
Diode D1, and one end is connected with diode D1 N poles, other end VCC pins and RESET with control chip U1 simultaneously
The resistance R11 compositions that pin is connected；Wherein, electric capacity C2 negative pole is connected with electric capacity C3 negative pole, electric capacity C3 negative pole with
Electric capacity C5 negative pole is connected, and resistance R1 and resistance R2 tie point and electric capacity C2 negative pole form the defeated of the chip drive circuit
Enter end and be connected with two-supply circuit.
Preferably, the emergent decision circuitry is by triode VT2, triode VT3, bidirectional thyristor VS1, generator M,
The resistance R12 that one end is connected with control chip U1 OUT pins, the other end is connected with triode VT2 base stage, positive pole with
The electric capacity C7 that triode VT2 base stage is connected, negative pole is connected with electric capacity C6 negative pole, one end and triode VT3 current collection
The resistance R13 that pole is connected, the other end is connected with resistance R1 and resistance R2 tie point, one end are connected with electric capacity C7 negative pole
Connect, resistance R14, the N pole that the other end is connected with triode VT3 emitter stage is connected with resistance R1 and resistance R2 tie point
Connect, the diode D3 that P poles are connected with electric capacity C7 negative pole, one end is connected with diode D3 N poles, the other end and two-way crystalline substance
The relay K that brake tube VS1 first electrode is connected, and positive pole is connected with generator M one end, negative pole is through relay K
Normally-closed contact K-1 after be connected with the generator M other end battery GB composition；Wherein, triode VT2 emitter stage
It is connected with triode VT3 base stage, triode VT2 colelctor electrode is connected with diode D2 N poles, triode VT3 hair
Emitter-base bandgap grading is connected with bidirectional thyristor VS1 control pole, and bidirectional thyristor VS1 second electrode is extremely connected with diode D3 P
Connect, the negative pole of battery is connected after relay K normally-closed contact K-1 with diode D3 P poles.
Further, the motor protective circuit triode VT5, triode VT6, is serially connected in triode by triode VT4
Resistance R17 between VT4 base stage and emitter stage, positive pole is connected with triode VT4 colelctor electrode, negative pole is after resistance R18
Electric capacity C9, the P pole being connected with triode VT4 base stage is connected with triode VT5 base stage, N poles after resistance R19 with three
The diode D4 that pole pipe VT4 colelctor electrode is connected, one end is connected with diode D4 N poles, the other end and triode VT4
The resistance R15 that emitter stage is connected, positive pole is connected with diode D4 N poles, negative pole is connected with triode VT6 base stage
Electric capacity C8, the resistance that one end is connected with triode VT4 emitter stage, the other end is connected with triode VT5 colelctor electrode
R16, the resistance R20 that one end is connected with electric capacity C9 positive pole, the other end is connected with electric capacity C8 negative pole, one end and diode
The resistance R21 that D4 P poles are connected, the other end is connected with electric capacity C9 negative pole, one end are connected with triode VT5 emitter stage
Connect, the resistance R22 that the other end is connected with electric capacity C9 negative pole, one end is connected with triode VT6 emitter stage, the other end with
The resistance R23 that electric capacity C9 negative pole is connected, positive pole is connected with diode D4 N poles, negative pole and triode VT6 base stage phase
The electric capacity C10 of connection, the resistance R24 being arranged in parallel with electric capacity C10, and one end is connected with electric capacity C10 positive pole, the other end
The resistance R25 compositions being connected with triode VT6 colelctor electrode；Wherein, diode D4 N poles are as the motor protective circuit
Input, the output end of triode VT6 emitter stage as the motor protective circuit, diode D4 N poles are with battery GB's
Positive pole is connected, and triode VT6 emitter stage is connected with unidirectional thyristor VS1 second electrode.
Further, the chip drives protection circuit is by triode VT7, triode VT8, metal-oxide-semiconductor Q1, one end and three
The resistance R26 that pole pipe VT7 base stage is connected, the other end is connected after resistance R27 with triode VT7 emitter stage, negative pole
It is connected with resistance R26 and resistance R27 tie point, the electric capacity C11 that positive pole is connected with triode VT7 emitter stage, positive pole
It is connected with triode VT7 base stage, the electric capacity C12 that negative pole is connected after resistance R30 with triode VT7 colelctor electrode, just
Pole is connected with electric capacity C12 negative pole, the electric capacity C13 of negative pole ground connection, and positive pole of the positive pole with electric capacity C11 after resistance R28 is connected
Connect, the electric capacity C14 that negative pole is connected with triode VT8 base stage, one end is connected with triode VT7 emitter stage, the other end
The resistance R29 being connected with electric capacity C14 negative pole, one end is connected with electric capacity C13 negative pole, the other end and triode VT8
The electric capacity C20 that emitter stage is connected, one end is connected with triode VT8 emitter stage, the other end after resistance R33 with metal-oxide-semiconductor
The resistance R32 that Q1 drain electrode is connected, one end is connected with electric capacity C14 positive pole, the other end and triode VT8 colelctor electrode phase
The slide rheostat RP1 that connection, sliding end are connected with metal-oxide-semiconductor Q1 grid, one end is connected with triode VT5 emitter stage
Connect, the resistance R31 that the other end is connected with electric capacity C10 positive pole, and one end is connected with metal-oxide-semiconductor Q1 source electrode, the other end
The resistance R34 composition being connected with electric capacity C14 positive pole；Wherein, triode VT7 base stage is as the chip drives protection circuit
Input, the output end of resistance R32 and resistance R33 tie point as the chip drives protection circuit, triode VT7 base
Pole is connected with control chip U1 VCC pins, and resistance R32 and resistance R33 tie point are connected with electric capacity C6 negative pole.
The present invention compared with prior art, has advantages below and beneficial effect：
(1) present invention is provided with two-supply circuit, surprisingly stops or electricity shortage in the power supply to the first power input
When, the switching of power supply timely can be voluntarily completed, to ensure the normal operation of system, substantially increases the stabilization of system operation
Property and using effect.
(2) annexation of every component of the invention is reasonable, to internal system when avoiding current fluctuation well
The influence of component, and then the safety in utilization of each component is preferably protected, the service life of system is improved, so as to
Overcoming prior art well needs the defects of frequent maintenance is with repairing, substantially increase the using effect of system and use into
This；The system makes it have the ability of fast reaction, substantially increases power-off because of the reasonable connection between its every component
The efficiency that generator starts afterwards, further increase the using effect of system；The present invention in order to improve the service life of generator,
A motor protective circuit is parallel with motor, impact when can substantially reduce load short circuits to generator, averagely can
The service life of generator is set to lift 3-5；By setting chip drives protection circuit to can be good at reducing voltage pulsation pair
Control chip U1 influence, improves the accuracy of control chip U1 operations, while also preferably improves control chip U1's
Service life.
Brief description of the drawings
Fig. 1 is the circuit structure diagram of the emergency starting system of the present invention.
Fig. 2 is the circuit structure diagram of the motor protective circuit of the present invention.
Fig. 3 is the circuit structure diagram of the chip drives protection circuit of the present invention.
Fig. 4 is the circuit structure diagram of the two-supply circuit of the present invention.
Embodiment
With reference to embodiment, the present invention is described in further detail, but the implementation of the present invention is not limited to this.
Embodiment
As shown in figure 1, the double protection emergency starting systems of standby dual power supply generator, including control chip U1, positive pole is simultaneously
It is connected with control chip U1 TRIG pins and THRES pins, the electric capacity that negative pole is connected with control chip U1 GND pins
C5, the electric capacity C6 that positive pole is connected with control chip U1 CONT pins, negative pole is connected with electric capacity C5 negative pole, negative pole and electricity
Appearance C5 positive pole is connected, the electric capacity C4 that positive pole is connected after resistance R9 with electric capacity C5 negative pole, and one end and electric capacity C4 are just
The resistance R8 that pole is connected, the other end is connected after resistance R10 with electric capacity C4 negative pole, the core being connected with control chip U1
Piece driving circuit, the two-supply circuit being connected with chip drive circuit, the emergent decision circuitry being connected with control chip U1,
The motor protective circuit being connected with emergent decision circuitry, and the chip drives protection circuit being connected with control chip U1,
Wherein control chip U1 model NE555.
As shown in figure 4, the two-supply circuit is slided by triode VT101, unidirectional thyristor VS101, relay K101
Rheostat RP101, voltage-regulator diode D101, voltage-regulator diode D102, diode D103, resistance R101, resistance R102, resistance
R103, resistance R104, resistance R105, resistance R106, resistance R107, resistance R108, electric capacity C101, electric capacity C102, electric capacity C103,
Electric capacity C104 is formed.
During connection, electric capacity C101 positive pole is connected after resistance R101 with triode VT101 emitter stage, negative pole and three
Pole pipe VT101 base stage is connected, and resistance R104 is serially connected between triode VT101 emitter stage and base stage, electric capacity C102's
Positive pole is connected with electric capacity C101 negative pole, negative pole is sequentially connected after resistance R103 and resistance R102 with electric capacity C101 positive pole
Connect, voltage-regulator diode D102 N poles are connected with resistance R102 and resistance R103 tie point, negative pole after resistance R105 with electricity
The positive pole for holding C102 is connected, and electric capacity C103 positive pole is connected with triode VT101 colelctor electrode, negative pole and electric capacity C101
Negative pole is connected, electric capacity C104 positive pole is connected with electric capacity C103 negative pole, negative pole after resistance R107 with electric capacity C103's
Positive pole is connected, and resistance R107 one end is connected with electric capacity C103 positive pole, the other end is connected with electric capacity C104 negative pole,
Voltage-regulator diode D101 N poles are connected with electric capacity C103 negative pole, P of the P poles after resistance R106 with voltage-regulator diode D102
Pole is connected, slide rheostat RP101 one end is connected with electric capacity C104 negative pole, the other end after resistance R108 with voltage stabilizing
Diode D102 P poles are connected, sliding end is connected with electric capacity C102 negative pole, relay K101 one end and the pole of voltage stabilizing two
Pipe D102 P poles are connected, the other end is connected with unidirectional thyristor VS101 N poles, diode D103 P poles and unidirectional crystalline substance
Brake tube VS101 control pole is connected, P of the N poles after relay K101 normally-closed contact K101-1 with unidirectional thyristor VS101
Pole is connected.
Wherein, triode VT1 colelctor electrode is connected with unidirectional thyristor VS101 P poles, voltage-regulator diode D102 P
The first power supply that pole forms the two-supply circuit after relay K101 normally-closed contact K101-2 with diode D103 P poles is defeated
Enter end, the second source that triode VT101 emitter stage forms the two-supply circuit with voltage-regulator diode D102 P poles inputs
End, the N poles of voltage-regulator diode D102 P poles with diode D103 after relay K101 normally-closed contact K101-2 form this pair
The power output end of power circuit and it is connected with chip drive circuit.
For first power input of two-supply circuit as power input is commonly used, it is defeated preferentially to carry out electricity in power supply
Go out, only the first power input power supply be cut off or electricity shortage in the case of, can just block unidirectional thyristor VS101
Conducting so that relay K101 power off, and then relay K101 normally-closed contact K101-1 and K101-2 close cause second
The power supply of power input input is switched on, to ensure the normal power supply of circuit, the stability that the system of substantially increasing uses.Its
In, the power supply connected on the first power input and second source input is separate.
Chip drive circuit is by triode VT1, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, electricity
Hinder R7, resistance R11, diode D1, voltage-regulator diode D2, electric capacity C1, electric capacity C2, and electric capacity C3 composition.
During connection, resistance R1 one end is connected with triode VT1 base stage, the other end after resistance R2 with triode
VT1 colelctor electrode is connected, and electric capacity C1 positive pole is connected after resistance R3 with triode VT1 colelctor electrode, negative pole is through resistance
Emitter stage after R4 with triode VT1 is connected, and resistance R6 is arranged in parallel with electric capacity C1, and voltage-regulator diode D2 N poles are through resistance
It is connected after R7 with electric capacity C1 negative pole, P poles are sequentially connected after resistance R5 and electric capacity C2 with triode VT1 base stage, electricity
Appearance C3 positive pole is connected with voltage-regulator diode D2 N poles, negative pole is connected with voltage-regulator diode D2 P poles, diode D1 P
Pole is connected with electric capacity C1 positive pole, N poles are connected with resistance R8 and resistance R10 tie point, resistance R11 one end and two poles
Pipe D1 N poles are connected, the other end is connected with control chip U1 VCC pins and RESET pins simultaneously.
Wherein, electric capacity C2 negative pole is connected with electric capacity C3 negative pole, and electric capacity C3 negative pole is connected with electric capacity C5 negative pole
Connect, resistance R1 and resistance R2 tie point and electric capacity C2 negative pole form the input of the chip drive circuit and with dual power supply electricity
Road is connected.
Emergent decision circuitry is by triode VT2, triode VT3, bidirectional thyristor VS1, generator M, diode D3, electric capacity
C7, relay K, battery GB, resistance R12, resistance R13, and resistance R14 compositions.
During connection, resistance R12 one end is connected with control chip U1 OUT pins, the other end and triode VT2 base
Pole is connected, and electric capacity C7 positive pole is connected with triode VT2 base stage, negative pole is connected with electric capacity C6 negative pole, resistance R13
One end be connected with triode VT3 colelctor electrode, the other end is connected with resistance R1 and resistance R2 tie point, resistance R14
One end be connected with electric capacity C7 negative pole, the other end is connected with triode VT3 emitter stage, diode D3 N poles and electricity
Resistance R1 and resistance R2 tie point is connected, P poles are connected with electric capacity C7 negative pole, relay K one end and diode D3 N
Pole is connected, the other end is connected with bidirectional thyristor VS1 first electrode, battery GB positive pole and generator M one end
It is connected, negative pole is connected after relay K normally-closed contact K-1 with the generator M other end.
Wherein, triode VT2 emitter stage is connected with triode VT3 base stage, triode VT2 colelctor electrode and two poles
Pipe D2 N poles are connected, and triode VT3 emitter stage is connected with bidirectional thyristor VS1 control pole, bidirectional thyristor VS1
Second electrode be connected with diode D3 P poles, the negative pole of battery after relay K normally-closed contact K-1 with diode
D3 P poles are connected.
As shown in Fig. 2 motor protective circuit is by triode VT4, triode VT5, triode VT6, diode D4, electric capacity
C8, electric capacity C9, electric capacity C10, resistance R15, resistance R16, resistance R17, resistance R18, resistance R19, resistance R20, resistance R21, electricity
Hinder R22, resistance R23, resistance R24, and resistance R25 composition.
During connection, resistance R17 is serially connected between triode VT4 base stage and emitter stage, electric capacity C9 positive pole and triode
VT4 colelctor electrode is connected, base stage of the negative pole with triode VT4 after resistance R18 is connected, diode D4 P poles and three poles
Pipe VT5 base stage is connected, colelctor electrode of the N poles with triode VT4 after resistance R19 is connected, resistance R15 one end and two poles
Pipe D4 N poles are connected, the other end is connected with triode VT4 emitter stage, electric capacity C8 positive pole and diode D4 N poles phase
Connection, negative pole are connected with triode VT6 base stage, and resistance R16 one end is connected with triode VT4 emitter stage, is another
End is connected with triode VT5 colelctor electrode, and resistance R20 one end is connected with electric capacity C9 positive pole, the other end and electric capacity C8
Negative pole be connected, resistance R21 one end is connected with diode D4 P poles, the other end is connected with electric capacity C9 negative pole, electricity
Resistance R22 one end is connected with triode VT5 emitter stage, the other end is connected with electric capacity C9 negative pole, resistance R23 one end
It is connected with triode VT6 emitter stage, the other end is connected with electric capacity C9 negative pole, electric capacity C10 positive pole and diode D4
N poles be connected, negative pole is connected with triode VT6 base stage, resistance R24 is arranged in parallel with electric capacity C10, the one of resistance R25
End is connected with electric capacity C10 positive pole, the other end is connected with triode VT6 colelctor electrode.
Wherein, input of the diode D4 N poles as the motor protective circuit, triode VT6 emitter stage is used as should
The output end of motor protective circuit, diode D4 N poles are connected with battery GB positive pole, triode VT6 emitter stage with
Unidirectional thyristor VS1 second electrode is connected.
As shown in figure 3, chip drives protection circuit is by triode VT7, triode VT8, metal-oxide-semiconductor Q1, electric capacity C11, electric capacity
C12, electric capacity C13, electric capacity C14, resistance R26, resistance R27, resistance R28, resistance R29, resistance R30, resistance R31, resistance R32,
Resistance R33, and resistance R34 composition.
During connection, resistance R26 one end is connected with triode VT7 base stage, the other end after resistance R27 with triode
VT7 emitter stage is connected, and electric capacity C11 negative pole is connected with resistance R26 and resistance R27 tie point, positive pole and triode
VT7 emitter stage is connected, electric capacity C12 positive pole is connected with triode VT7 base stage, negative pole after resistance R30 with three poles
Pipe VT7 colelctor electrode is connected, and electric capacity C13 positive pole is connected with electric capacity C12 negative pole, negative pole ground connection, electric capacity C14 positive pole
Be connected after resistance R28 with electric capacity C11 positive pole, negative pole is connected with triode VT8 base stage, resistance R29 one end with
Triode VT7 emitter stage is connected, the other end is connected with electric capacity C14 negative pole, and electric capacity C20 one end is with electric capacity C13's
Negative pole is connected, the other end is connected with triode VT8 emitter stage, resistance R32 one end and triode VT8 emitter stage phase
Connection, drain electrode of the other end with metal-oxide-semiconductor Q1 after resistance R33 are connected, and slide rheostat RP1 one end and electric capacity C14 are just
Pole is connected, the other end is connected with triode VT8 colelctor electrode, sliding end is connected with metal-oxide-semiconductor Q1 grid, resistance R31
One end be connected with triode VT5 emitter stage, the other end is connected with electric capacity C10 positive pole, one end of resistance R34 with
Metal-oxide-semiconductor Q1 source electrode is connected, the other end is connected with electric capacity C14 positive pole.
Wherein, input of the triode VT7 base stage as the chip drives protection circuit, resistance R32 and resistance R33's
Output end of the tie point as the chip drives protection circuit, triode VT7 base stage are connected with control chip U1 VCC pins
Connect, resistance R32 and resistance R33 tie point are connected with electric capacity C6 negative pole.
In use, if power supply is normal, control chip U1 obtains electric and OUT pin output end high level, so that three
Pole pipe VT2, triode VT3 and bidirectional thyristor VS1 are sequentially turned on, and relay K obtains electric, and relay K normally-closed contact K-1 breaks
Open, generator M and battery GB open circuits, system is waited for；And when power supply disconnects, circuit loses electric current supply, after
Electrical equipment K no currents are closed by, relay K normally-closed contact K-1 causes generator K to be turned on battery GB, so that
Generator M is actuated for powering.
Generator M can be selected generating set and replace.
The annexation of every component of the present invention is reasonable, to internal system member device when avoiding current fluctuation well
The influence of part, and then the safety in utilization of each component is preferably protected, the service life of system is improved, so as to very well
The prior art that overcomes need the defects of frequent maintenance is with repairing, substantially increase the using effect and use cost of system；
The system makes it have the ability of fast reaction, after substantially increasing power-off because of the reasonable connection between its every component
The efficiency that generator starts, further increase the using effect of system；The present invention in order to improve the service life of generator,
A motor protective circuit is parallel with motor, impact when can substantially reduce load short circuits to generator, can averagely be made
The service life lifting 3-5 of generator；Voltage pulsation is reduced to control by setting chip drives protection circuit can be good at
Coremaking piece U1 influence, improves the accuracy of control chip U1 operations, while also preferably improves making for control chip U1
Use the life-span.
As described above, the present invention can be realized well.
Claims (6)
1. the double protection emergency starting systems of standby dual power supply generator, it is characterised in that：Including control chip U1, positive pole simultaneously with
Control chip U1 TRIG pins and THRES pins is connected, the electric capacity that negative pole is connected with control chip U1 GND pins
C5, the electric capacity C6 that positive pole is connected with control chip U1 CONT pins, negative pole is connected with electric capacity C5 negative pole, negative pole and electricity
Appearance C5 positive pole is connected, the electric capacity C4 that positive pole is connected after resistance R9 with electric capacity C5 negative pole, and one end and electric capacity C4 are just
The resistance R8 that pole is connected, the other end is connected after resistance R10 with electric capacity C4 negative pole, the core being connected with control chip U1
Piece driving circuit, the two-supply circuit being connected with chip drive circuit, the emergent decision circuitry being connected with control chip U1,
The motor protective circuit being connected with emergent decision circuitry, and the chip drives protection circuit being connected with control chip U1,
Wherein control chip U1 model NE555；The two-supply circuit is by triode VT101, unidirectional thyristor VS101, positive pole
It is connected after resistance R101 with triode VT101 emitter stage, the electric capacity that negative pole is connected with triode VT101 base stage
C101, the resistance R104 being serially connected between triode VT101 emitter stage and base stage, positive pole are connected with electric capacity C101 negative pole
Connect, electric capacity C102, the N pole that negative pole is sequentially connected after resistance R103 and resistance R102 with electric capacity C101 positive pole and resistance
The pole of voltage stabilizing two that R102 and resistance R103 tie point are connected, negative pole is connected after resistance R105 with electric capacity C102 positive pole
Pipe D102, the electric capacity C103 that positive pole is connected with triode VT101 colelctor electrode, negative pole is connected with electric capacity C101 negative pole,
The electric capacity C104 that positive pole is connected with electric capacity C103 negative pole, negative pole is connected after resistance R107 with electric capacity C103 positive pole,
Resistance R107, the N pole and electric capacity that one end is connected with electric capacity C103 positive pole, the other end is connected with electric capacity C104 negative pole
The voltage-regulator diode D101 that C103 negative pole is connected, P poles are connected after resistance R106 with voltage-regulator diode D102 P poles,
One end is connected with electric capacity C104 negative pole, the other end is connected with voltage-regulator diode D102 P poles after resistance R108, slided
The slide rheostat RP101 being connected with electric capacity C102 negative pole is held, one end is connected, separately with voltage-regulator diode D102 P poles
The relay K101 that one end is connected with unidirectional thyristor VS101 N poles, and P poles and unidirectional thyristor VS101 control pole
It is connected, the diode that N poles are connected after relay K101 normally-closed contact K101-1 with unidirectional thyristor VS101 P poles
D103 is formed；Wherein, triode VT1 colelctor electrode is connected with unidirectional thyristor VS101 P poles, voltage-regulator diode D102 P
The first power supply that pole forms the two-supply circuit after relay K101 normally-closed contact K101-2 with diode D103 P poles is defeated
Enter end, the second source that triode VT101 emitter stage forms the two-supply circuit with voltage-regulator diode D102 P poles inputs
End, the N poles of voltage-regulator diode D102 P poles with diode D103 after relay K101 normally-closed contact K101-2 form this pair
The power output end of power circuit and it is connected with chip drive circuit.
2. the double protection emergency starting systems of standby dual power supply generator according to claim 1, it is characterised in that：The electricity
Machine protection circuit triode VT5, triode VT6, is serially connected between triode VT4 base stage and emitter stage by triode VT4
Resistance R17, positive pole is connected with triode VT4 colelctor electrode, base stage of the negative pole with triode VT4 after resistance R18 is connected
Electric capacity C9, P pole be connected with triode VT5 base stage, N poles are connected after resistance R19 with triode VT4 colelctor electrode
Diode D4, the resistance R15 that one end is connected with diode D4 N poles, the other end is connected with triode VT4 emitter stage,
The electric capacity C8 that positive pole is connected with diode D4 N poles, negative pole is connected with triode VT6 base stage, one end and triode VT4
Emitter stage be connected, the resistance R16 that the other end is connected with triode VT5 colelctor electrode, one end and electric capacity C9 positive pole phase
Connection, the resistance R20 that is connected with electric capacity C8 negative pole of the other end, one end is connected with diode D4 P poles, the other end with it is electric
Hold the C9 resistance R21 that is connected of negative pole, one end is connected with triode VT5 emitter stage, the other end and electric capacity C9 negative pole
The resistance R22 being connected, the electricity that one end is connected with triode VT6 emitter stage, the other end is connected with electric capacity C9 negative pole
Hinder R23, the electric capacity C10 that positive pole is connected with diode D4 N poles, negative pole is connected with triode VT6 base stage, with electric capacity
The resistance R24 that C10 is arranged in parallel, and one end is connected with electric capacity C10 positive pole, the other end and triode VT6 colelctor electrode
The resistance R25 compositions being connected；Wherein, input of the diode D4 N poles as the motor protective circuit, triode VT6's
Output end of the emitter stage as the motor protective circuit.
3. the double protection emergency starting systems of standby dual power supply generator according to claim 2, it is characterised in that：The core
Piece Drive Protecting Circuit is connected with triode VT7 base stage by triode VT7, triode VT8, metal-oxide-semiconductor Q1, one end, is another
Hold the resistance R26 being connected after resistance R27 with triode VT7 emitter stage, the connection of negative pole and resistance R26 and resistance R27
Point is connected, the electric capacity C11 that positive pole is connected with triode VT7 emitter stage, positive pole is connected with triode VT7 base stage,
The electric capacity C12 that negative pole is connected after resistance R30 with triode VT7 colelctor electrode, positive pole is connected with electric capacity C12 negative pole,
The electric capacity C13 of negative pole ground connection, positive pole is connected after resistance R28 with electric capacity C11 positive pole, negative pole and triode VT8 base stage
The electric capacity C14 being connected, the electricity that one end is connected with triode VT7 emitter stage, the other end is connected with electric capacity C14 negative pole
Hinder R29, the electric capacity C20 that one end is connected with electric capacity C13 negative pole, the other end is connected with triode VT8 emitter stage, one end
It is connected with triode VT8 emitter stage, the other end is connected after resistance R33 with metal-oxide-semiconductor Q1 drain electrode resistance R32, one
End is connected with electric capacity C14 positive pole, the other end is connected with triode VT8 colelctor electrode, sliding end and metal-oxide-semiconductor Q1 grid
The slide rheostat RP1 being connected, one end is connected with triode VT5 emitter stage, the other end is connected with electric capacity C10 positive pole
The resistance R31 connect, and the resistance that one end is connected with metal-oxide-semiconductor Q1 source electrode, the other end is connected with electric capacity C14 positive pole
R34 is formed；Wherein, input of the triode VT7 base stage as the chip drives protection circuit, resistance R32 and resistance R33's
Output end of the tie point as the chip drives protection circuit.
4. the double protection emergency starting systems of standby dual power supply generator according to claim 2, it is characterised in that：The core
Piece driving circuit by triode VT1, one end is connected with triode VT1 base stage, the other end after resistance R2 with triode VT1
The resistance R1 that is connected of colelctor electrode, positive pole is connected after resistance R3 with triode VT1 colelctor electrode, negative pole is after resistance R4
The electric capacity C1 being connected with triode VT1 emitter stage, resistance R6, the N pole being arranged in parallel with electric capacity C1 after resistance R7 with electricity
Appearance C1 negative pole is connected, the voltage-regulator diode that P poles are sequentially connected after resistance R5 and electric capacity C2 with triode VT1 base stage
D2, positive pole is connected with voltage-regulator diode D2 N poles, negative pole is connected with voltage-regulator diode D2 P poles electric capacity C3, P pole with
The diode D1 that electric capacity C1 positive pole is connected, N poles are connected with resistance R8 and resistance R10 tie point, and one end and two
The resistance R11 groups that pole pipe D1 N poles are connected, the other end is connected with control chip U1 VCC pins and RESET pins simultaneously
Into；Wherein, electric capacity C2 negative pole is connected with electric capacity C3 negative pole, and electric capacity C3 negative pole is connected with electric capacity C5 negative pole, electricity
Hinder R1 and resistance R2 tie point and electric capacity C2 negative pole form the chip drive circuit input and with two-supply circuit phase
Connection.
5. the double protection emergency starting systems of standby dual power supply generator according to claim 4, it is characterised in that：It is described to answer
Anxious decision circuitry is managed by triode VT2, triode VT3, bidirectional thyristor VS1, generator M, one end and control chip U1 OUT
The resistance R12 that pin is connected, the other end is connected with triode VT2 base stage, positive pole is connected with triode VT2 base stage,
The electric capacity C7 that negative pole is connected with electric capacity C6 negative pole, one end is connected with triode VT3 colelctor electrode, the other end and resistance R1
The resistance R13 being connected with resistance R2 tie point, one end is connected with electric capacity C7 negative pole, the other end and triode VT3
Resistance R14, the N pole that emitter stage is connected is connected with resistance R1 and resistance R2 tie point, P poles are connected with electric capacity C7 negative pole
The diode D3 connect, one end is connected with diode D3 N poles, the other end is connected with bidirectional thyristor VS1 first electrode
Relay K, and positive pole is connected with generator M one end, negative pole after relay K normally-closed contact K-1 with generating
The battery GB compositions that the machine M other end is connected；Wherein, triode VT2 emitter stage is connected with triode VT3 base stage
Connect, triode VT2 colelctor electrode is connected with diode D2 N poles, and triode VT3 emitter stage is with bidirectional thyristor VS1's
Control pole is connected, and bidirectional thyristor VS1 second electrode is connected with diode D3 P poles, and the negative pole of battery is through relay
It is connected after device K normally-closed contact K-1 with diode D3 P poles.
6. the double protection emergency starting systems of standby dual power supply generator according to claim 5, it is characterised in that：Described two
Pole pipe D4 N poles are connected with battery GB positive pole, triode VT6 emitter stage and unidirectional thyristor VS1 second electrode
Be connected, triode VT7 base stage is connected with control chip U1 VCC pins, resistance R32 and resistance R33 tie point with
Electric capacity C6 negative pole is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710982967.8A CN107658972A (en) | 2017-10-20 | 2017-10-20 | The double protection emergency starting systems of standby dual power supply generator |
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|---|---|---|---|
| CN201710982967.8A CN107658972A (en) | 2017-10-20 | 2017-10-20 | The double protection emergency starting systems of standby dual power supply generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110371831A (en) * | 2019-08-08 | 2019-10-25 | 杭州吉时语科技有限公司 | A kind of dual power supply system of elevator emergency device |
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2017
- 2017-10-20 CN CN201710982967.8A patent/CN107658972A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110371831A (en) * | 2019-08-08 | 2019-10-25 | 杭州吉时语科技有限公司 | A kind of dual power supply system of elevator emergency device |
| CN110371831B (en) * | 2019-08-08 | 2024-04-16 | 杭州吉时语科技有限公司 | Dual-power supply system of elevator emergency device |
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