CN106059057A - Double-protection emergency start system for standby generator - Google Patents

Double-protection emergency start system for standby generator Download PDF

Info

Publication number
CN106059057A
CN106059057A CN201610547994.8A CN201610547994A CN106059057A CN 106059057 A CN106059057 A CN 106059057A CN 201610547994 A CN201610547994 A CN 201610547994A CN 106059057 A CN106059057 A CN 106059057A
Authority
CN
China
Prior art keywords
resistance
audion
pole
electric capacity
negative pole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610547994.8A
Other languages
Chinese (zh)
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Aokaka Technology Co Ltd
Original Assignee
Chengdu Aokaka Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chengdu Aokaka Technology Co Ltd filed Critical Chengdu Aokaka Technology Co Ltd
Priority to CN201610547994.8A priority Critical patent/CN106059057A/en
Publication of CN106059057A publication Critical patent/CN106059057A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H02J9/066—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 characterised by the use of dynamo-electric machines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/06—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric generators; for synchronous capacitors
    • H02H7/062—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric generators; for synchronous capacitors for parallel connected generators
    • 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
    • H02J9/061—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 for DC powered loads
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
    • 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
    • H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

The invention discloses a double-protection emergency start system for a standby generator. The system is characterized by comprising a control chip U1, a capacitor C5, a capacitor C6, a capacitor C4, a resistor R8, a resistor R9, a resistor R10, a chip driving circuit connected with the control chip U1, an emergency determination circuit connected with the control chip U1, a motor protection circuit connected with the emergency determination circuit, and a chip driving protection circuit connected with the control chip U1. The system is advantaged in that connection of components of the system is made to be more reasonable, a system damage rate related to current is reduced, moreover, production and use cost of the system is further excellently reduced, and products can have better popularization effects.

Description

Stand-by generator double protection emergency starting system
Technical field
The invention belongs to generator powered field, specifically refer to a kind of stand-by generator double protection emergency starting system.
Background technology
Nowadays, either life still production all be unable to do without electric energy, if having a power failure suddenly, it will just largely effecting on people Often life and production.Living and being normally carried out of producing to ensure, most community, market and enterprise all can arrange standby Electromotor as the power supply of temporary power, situation about having a power failure suddenly with reply.But, stand-by generator of today is having a power failure The reaction of rear startup optimization is relatively slow, and most stand-by generator is required to artificially start；Although and the electromotor of minority It is provided with emergency starting system, but its price is universal costly, be unfavorable for the universal of equipment, and owing to this system designs On defect so that this system is easy to the circuit damage fluctuated when standby, shortens the service life of system, also simultaneously Need to carry out frequently maintenance and repair, significantly increase the weight of the burden of user.
Summary of the invention
It is an object of the invention to overcome the problems referred to above, it is provided that a kind of stand-by generator double protection emergency starting system, Making the connection of components and parts in system more reasonable, the system that reduces, by the probability of circuit damage, the most well reduces The production of system and use cost so that product can preferably be popularized.
The purpose of the present invention is achieved through the following technical solutions:
Stand-by generator double protection emergency starting system, including control chip U1, positive pole is simultaneously with control chip U1's The electric capacity C5 that TRIG pin is connected with THRES pin, negative pole is connected with the GND pin of control chip U1, positive pole and control The electric capacity C6 that the CONT pin of chip U1 is connected, negative pole is connected with the negative pole of electric capacity C5, the positive pole phase of negative pole and electric capacity C5 Connect, electric capacity C4 that positive pole negative pole with electric capacity C5 after resistance R9 is connected, one end is connected with the positive pole of electric capacity C4, another The resistance R8 that end negative pole with electric capacity C4 after resistance R10 is connected, the chip drive circuit being connected with control chip U1, with The emergent decision circuitry that control chip U1 is connected, the motor protective circuit being connected with emergent decision circuitry, and with control The chip drives protection circuit that chip U1 is connected, wherein the model of control chip U1 is NE555.
As preferably, described chip drive circuit is by audion VT1, and one end is connected with the base stage of audion VT1, another The resistance R1 that end colelctor electrode with audion VT1 after resistance R2 is connected, positive pole after resistance R3 with the current collection of audion VT1 The electric capacity C1 that pole is connected, negative pole emitter stage with audion VT1 after resistance R4 is connected, the electricity being arranged in parallel with electric capacity C1 Resistance R6, N pole negative pole with electric capacity C1 after resistance R7 is connected, P pole sequentially after resistance R5 and electric capacity C2 with audion VT1's The Zener diode D2 that base stage is connected, positive pole is connected with the N pole of Zener diode D2, the P of negative pole and Zener diode D2 Electric capacity C3, the P pole that pole is connected is connected with the positive pole of electric capacity C1, N pole is connected with the junction point of resistance R8 and resistance R10 Diode D1, and one end is connected with the N pole of diode D1, the other end simultaneously with VCC pin and the RESET of control chip U1 The resistance R11 composition that pin is connected；Wherein, the negative pole of electric capacity C2 is connected with the negative pole of electric capacity C3, the negative pole of electric capacity C3 with The negative pole of electric capacity C5 is connected, and the junction point of resistance R1 and resistance R2 forms the defeated of this chip drive circuit with the negative pole of electric capacity C2 Enter end.
As preferably, described emergent decision circuitry by audion VT2, audion VT3, bidirectional thyristor VS1, electromotor M, The resistance R12 that one end is connected with the OUT pin of control chip U1, the other end is connected with the base stage of audion VT2, positive pole with The current collection of the electric capacity C7 that the base stage of audion VT2 is connected, negative pole is connected with the negative pole of electric capacity C6, one end and audion VT3 The resistance R13 that pole is connected, the other end is connected with the junction point of resistance R1 and resistance R2, one end is connected with the negative pole of electric capacity C7 Connect, resistance R14, N pole that the other end is connected with the emitter stage of audion VT3 is connected with the junction point of resistance R1 and resistance R2 Connect, diode D3 that P pole is connected with the negative pole of electric capacity C7, one end is connected with the N pole of diode D3, the other end and two-way crystalline substance The relay K that first electrode of brake tube VS1 is connected, and positive pole is connected with one end of electromotor M, negative pole is through relay K Normally-closed contact K-1 after be connected with the other end of electromotor M accumulator GB composition；Wherein, the emitter stage of audion VT2 Being connected with the base stage of audion VT3, the colelctor electrode of audion VT2 is connected with the N pole of diode D2, and audion VT3 sends out Emitter-base bandgap grading is connected with the control pole of bidirectional thyristor VS1, and second electrode of bidirectional thyristor VS1 is extremely connected with the P of diode D3 Connecing, the negative pole of accumulator P pole with diode D3 after the normally-closed contact K-1 of relay K is connected.
Further, described motor protective circuit, by audion VT4, audion VT5, audion VT6, is serially connected in audion Resistance R17 between base stage and the emitter stage of VT4, positive pole is connected with the colelctor electrode of audion VT4, negative pole is after resistance R18 Electric capacity C9, the P pole being connected with the base stage of audion VT4 is connected with the base stage of audion VT5, N pole after resistance R19 with three The diode D4 that the colelctor electrode of pole pipe VT4 is connected, one end is connected with the N pole of diode D4, the other end and audion VT4 The resistance R15 that emitter stage is connected, positive pole is connected with the N pole of diode D4, negative pole is connected with the base stage of audion VT6 Electric capacity C8, the resistance that one end is connected with the emitter stage of audion VT4, the other end is connected with the colelctor electrode of audion VT5 R16, the resistance R20 that one end is connected with the positive pole of electric capacity C9, the other end is connected with the negative pole of electric capacity C8, one end and diode The resistance R21 that the P pole of D4 is connected, the other end is connected with the negative pole of electric capacity C9, one end is connected with the emitter stage of audion VT5 Connect, resistance R22 that the other end is connected with the negative pole of electric capacity C9, one end is connected with the emitter stage of audion VT6, the other end with The resistance R23 that the negative pole of electric capacity C9 is connected, positive pole is connected with the N pole of diode D4, the base stage phase of negative pole and audion VT6 Electric capacity C10, the resistance R24 being arranged in parallel with electric capacity C10 connected, and one end is connected with the positive pole of electric capacity C10, the other end The resistance R25 composition being connected with the colelctor electrode of audion VT6；Wherein, the N pole of diode D4 is as this motor protective circuit Input, the emitter stage of audion VT6 is as the outfan of this motor protective circuit, the N pole of diode D4 and accumulator GB Positive pole is connected, and the emitter stage of audion VT6 is connected with second electrode of unidirectional thyristor VS1.
Further, described chip drives protection circuit is by audion VT7, audion VT8, metal-oxide-semiconductor Q1, one end and three The resistance R26 that the base stage of pole pipe VT7 is connected, other end emitter stage with audion VT7 after resistance R27 is connected, negative pole Be connected with the junction point of resistance R26 and resistance R27, electric capacity C11 that positive pole is connected with the emitter stage of audion VT7, positive pole Be connected with the base stage of audion VT7, electric capacity C12 that negative pole colelctor electrode with audion VT7 after resistance R30 is connected, just Pole is connected with the negative pole of electric capacity C12, the electric capacity C13 of minus earth, and positive pole positive pole with electric capacity C11 after resistance R28 is connected Connect, electric capacity C14 that negative pole is connected with the base stage of audion VT8, one end is connected with the emitter stage of audion VT7, the other end The resistance R29 being connected with the negative pole of electric capacity C14, one end is connected with the negative pole of electric capacity C13, the other end and audion VT8 The electric capacity C20 that emitter stage is connected, one end is connected with the emitter stage of audion VT8, the other end after resistance R33 with metal-oxide-semiconductor The resistance R32 that the drain electrode of Q1 is connected, one end is connected with the positive pole of electric capacity C14, the colelctor electrode phase of the other end and audion VT8 The slide rheostat RP1 that connection, sliding end are connected with the grid of metal-oxide-semiconductor Q1, one end is connected with the emitter stage of audion VT5 Connect, resistance R31 that the other end is connected with the positive pole of electric capacity C10, and one end is connected with the source electrode of metal-oxide-semiconductor Q1, the other end The resistance R34 composition being connected with the positive pole of electric capacity C14；Wherein, the base stage of audion VT7 is as this chip drives protection circuit Input, the junction point of resistance R32 and resistance R33 is as the outfan of this chip drives protection circuit, the base of audion VT7 Pole is connected with the VCC pin of control chip U1, and the junction point of resistance R32 and resistance R33 is connected with the negative pole of electric capacity C6.
The present invention compared with prior art, has the following advantages and beneficial effect:
The annexation of every components and parts of the present invention is reasonable, to internal system unit device when well avoiding current fluctuation The impact of part, and then preferably protect the safety in utilization of each components and parts, improves the service life of system, thus very well The prior art that overcomes need the defect of frequent maintenance and repairing, substantially increase using effect and the use cost of system； Native system is because of the reasonable connection between its every components and parts so that it is have rapid-action ability, after substantially increasing power-off The efficiency that electromotor starts, further increases the using effect of system；The present invention in order to improve the service life of electromotor, A motor protective circuit it is parallel with on motor, impact to electromotor when can be substantially reduced load short circuits, averagely can make The service life of electromotor promotes 3-5；Can be good at reducing voltage pulsation to control by arranging chip drives protection circuit The impact of coremaking sheet U1, improves the accuracy that control chip U1 runs, the most preferably improves making of control chip U1 Use the life-span.
Accompanying drawing explanation
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.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
As it is shown in figure 1, stand-by generator double protection emergency starting system, including control chip U1, positive pole simultaneously with control The electric capacity C5 that the TRIG pin of chip U1 is connected with THRES pin, negative pole is connected with the GND pin of control chip U1, just The electric capacity C6 that pole is connected with the CONT pin of control chip U1, negative pole is connected with the negative pole of electric capacity C5, negative pole and electric capacity C5 The electric capacity C4 that positive pole is connected, positive pole negative pole with electric capacity C5 after resistance R9 is connected, the positive pole phase of one end and electric capacity C4 Connect, resistance R8 that other end negative pole with electric capacity C4 after resistance R10 is connected, the chip being connected with control chip U1 drives Galvanic electricity road, the emergent decision circuitry being connected with control chip U1, the motor protective circuit being connected with emergent decision circuitry, with And the chip drives protection circuit being connected with control chip U1, wherein the model of control chip U1 is NE555.
Chip drive circuit is by audion VT1, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, electricity Resistance R7, resistance R11, diode D1, Zener diode D2, electric capacity C1, electric capacity C2, and electric capacity C3 composition.
During connection, one end of resistance R1 is connected with the base stage of audion VT1, the other end after resistance R2 with audion The colelctor electrode of VT1 is connected, and the positive pole of electric capacity C1 colelctor electrode with audion VT1 after resistance R3 is connected, negative pole is through resistance After R4, the emitter stage with audion VT1 is connected, and resistance R6 is arranged in parallel with electric capacity C1, and the N pole of Zener diode D2 is through resistance After R7 the negative pole with electric capacity C1 be connected, P pole sequentially after resistance R5 and electric capacity C2 base stage with audion VT1 be connected, electricity The positive pole of appearance C3 is connected with the N pole of Zener diode D2, negative pole is connected with the P pole of Zener diode D2, the P of diode D1 Pole is connected with the positive pole of electric capacity C1, N pole is connected with the junction point of resistance R8 and resistance R10, one end of resistance R11 and two poles The N pole of pipe D1 is connected, the other end is connected with VCC pin and the RESET pin of control chip U1 simultaneously.
Wherein, the negative pole of electric capacity C2 is connected with the negative pole of electric capacity C3, and the negative pole of electric capacity C3 is connected with the negative pole of electric capacity C5 Connecing, the negative pole of the junction point of resistance R1 and resistance R2 and electric capacity C2 forms the input of this chip drive circuit.
Emergent decision circuitry is by audion VT2, audion VT3, bidirectional thyristor VS1, electromotor M, diode D3, electric capacity C7, relay K, accumulator GB, resistance R12, resistance R13, and resistance R14 composition.
During connection, one end of resistance R12 is connected with the OUT pin of control chip U1, the base of the other end and audion VT2 Pole is connected, and the positive pole of electric capacity C7 is connected with the base stage of audion VT2, negative pole is connected with the negative pole of electric capacity C6, resistance R13 One end be connected with the colelctor electrode of audion VT3, the other end is connected with the junction point of resistance R1 and resistance R2, resistance R14 One end be connected with the negative pole of electric capacity C7, the other end is connected with the emitter stage of audion VT3, the N pole of diode D3 with electricity The junction point of resistance R1 and resistance R2 is connected, P pole is connected with the negative pole of electric capacity C7, one end of relay K and the N of diode D3 Pole is connected, the other end is connected with first electrode of bidirectional thyristor VS1, the positive pole of accumulator GB and one end of electromotor M Be connected, negative pole is connected with the other end with electromotor M after the normally-closed contact K-1 of relay K.
Wherein, the emitter stage of audion VT2 is connected with the base stage of audion VT3, the colelctor electrode of audion VT2 and two poles The N pole of pipe D2 is connected, and the emitter stage of audion VT3 is connected with the control pole of bidirectional thyristor VS1, bidirectional thyristor VS1 The second electrode be connected with the P pole of diode D3, the negative pole of accumulator after the normally-closed contact K-1 of relay K with diode The P pole of D3 is connected.
As in figure 2 it is shown, motor protective circuit is by audion VT4, audion VT5, audion 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 Resistance R22, resistance R23, resistance R24, and resistance R25 composition.
During connection, resistance R17 is serially connected between base stage and the emitter stage of audion VT4, the positive pole of electric capacity C9 and audion The colelctor electrode of VT4 is connected, negative pole base stage with audion VT4 after resistance R18 is connected, the P pole of diode D4 and three poles The base stage of pipe VT5 is connected, N pole colelctor electrode with audion VT4 after resistance R19 is connected, one end of resistance R15 and two poles The N pole of pipe D4 is connected, the other end is connected with the emitter stage of audion VT4, the N pole phase of the positive pole of electric capacity C8 and diode D4 Connect, negative pole is connected with the base stage of audion VT6, and one end of resistance R16 is connected with the emitter stage of audion VT4, another End is connected with the colelctor electrode of audion VT5, and one end of resistance R20 is connected with the positive pole of electric capacity C9, the other end and electric capacity C8 Negative pole be connected, one end of resistance R21 is connected with the P pole of diode D4, the other end is connected with the negative pole of electric capacity C9, electricity One end of resistance R22 is connected with the emitter stage of audion VT5, the other end is connected with the negative pole of electric capacity C9, one end of resistance R23 Be connected with the emitter stage of audion VT6, the other end is connected with the negative pole of electric capacity C9, the positive pole of electric capacity C10 and diode D4 N pole be connected, negative pole is connected with the base stage of audion VT6, resistance R24 is arranged in parallel with electric capacity C10, the one of resistance R25 End is connected with the positive pole of electric capacity C10, the other end is connected with the colelctor electrode of audion VT6.
Wherein, the N pole of diode D4 is as the input of this motor protective circuit, and the emitter stage of audion VT6 is as this The outfan of motor protective circuit, the N pole of diode D4 is connected with the positive pole of accumulator GB, the emitter stage of audion VT6 with Second electrode of unidirectional thyristor VS1 is connected.
As it is shown on figure 3, chip drives protection circuit is by audion VT7, audion 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, one end of resistance R26 is connected with the base stage of audion VT7, the other end after resistance R27 with audion The emitter stage of VT7 is connected, and the negative pole of electric capacity C11 is connected with the junction point of resistance R26 and resistance R27, positive pole and audion The emitter stage of VT7 is connected, the positive pole of electric capacity C12 is connected with the base stage of audion VT7, negative pole after resistance R30 with three poles The colelctor electrode of pipe VT7 is connected, and the positive pole of electric capacity C13 is connected with the negative pole of electric capacity C12, minus earth, the positive pole of electric capacity C14 After resistance R28, the positive pole with electric capacity C11 is connected, negative pole is connected with the base stage of audion VT8, one end of resistance R29 with The emitter stage of audion VT7 is connected, the other end is connected with the negative pole of electric capacity C14, and one end of electric capacity C20 is with electric capacity C13's Negative pole is connected, the other end is connected with the emitter stage of audion VT8, the emitter stage phase of one end of resistance R32 and audion VT8 Connect, other end drain electrode with metal-oxide-semiconductor Q1 after resistance R33 is connected, and one end of slide rheostat RP1 is with electric capacity C14 just Pole is connected, the other end is connected with the colelctor electrode of audion VT8, sliding end is connected with the grid of metal-oxide-semiconductor Q1, resistance R31 One end be connected with the emitter stage of audion VT5, the other end is connected with the positive pole of electric capacity C10, one end of resistance R34 with The source electrode of metal-oxide-semiconductor Q1 is connected, the other end is connected with the positive pole of electric capacity C14.
Wherein, the base stage of audion VT7 is as the input of this chip drives protection circuit, resistance R32 and resistance R33 Junction point is connected with the VCC pin of control chip U1 as the outfan of this chip drives protection circuit, the base stage of audion VT7 Connecing, the junction point of resistance R32 and resistance R33 is connected with the negative pole of electric capacity C6.
During use, if power supply is normal, control chip U1 obtains electric and OUT pin outfan high level, so that three Pole pipe VT2, audion VT3 and bidirectional thyristor VS1 sequentially turn on, and relay K obtains electric, and the normally-closed contact K-1 of this relay K breaks Opening, electromotor M and the open circuit of accumulator GB, system is waited for；And when for time electrically disconnected, circuit loses electric current supply, continue Electrical equipment K no current passes through, and the normally-closed contact K-1 Guan Bi of this relay K makes electromotor K turn on accumulator GB, so that Electromotor M is actuated for power supply.
This electromotor M can be selected for generating set and replaces.
The annexation of every components and parts of the present invention is reasonable, to internal system unit device when well avoiding current fluctuation The impact of part, and then preferably protect the safety in utilization of each components and parts, improves the service life of system, thus very well The prior art that overcomes need the defect of frequent maintenance and repairing, substantially increase using effect and the use cost of system； Native system is because of the reasonable connection between its every components and parts so that it is have rapid-action ability, after substantially increasing power-off The efficiency that electromotor starts, further increases the using effect of system；The present invention in order to improve the service life of electromotor, A motor protective circuit it is parallel with on motor, impact to electromotor when can be substantially reduced load short circuits, averagely can make The service life of electromotor promotes 3-5；Can be good at reducing voltage pulsation to control by arranging chip drives protection circuit The impact of coremaking sheet U1, improves the accuracy that control chip U1 runs, the most preferably improves making of control chip U1 Use the life-span.
As it has been described above, just can well realize the present invention.

Claims (6)

1. stand-by generator double protection emergency starting system, it is characterised in that: include control chip U1, positive pole simultaneously with control core The electric capacity C5 that the TRIG pin of sheet U1 is connected with THRES pin, negative pole is connected with the GND pin of control chip U1, positive pole Be connected with the CONT pin of control chip U1, electric capacity C6 that negative pole is connected with the negative pole of electric capacity C5, negative pole is with electric capacity C5's The electric capacity C4 that positive pole is connected, positive pole negative pole with electric capacity C5 after resistance R9 is connected, one end is connected with the positive pole of electric capacity C4 Connect, resistance R8 that other end negative pole with electric capacity C4 after resistance R10 is connected, the chip drives being connected with control chip U1 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 the model of control chip U1 is NE555.
Stand-by generator the most according to claim 1 double protection emergency starting system, it is characterised in that: described electric motor protecting Circuit, by audion VT4, audion VT5, audion VT6, is serially connected in the resistance between base stage and the emitter stage of audion VT4 R17, the electricity that positive pole is connected with the colelctor electrode of audion VT4, negative pole base stage with audion VT4 after resistance R18 is connected Hold two poles that C9, P pole is connected, N pole colelctor electrode with audion VT4 after resistance R19 is connected with the base stage of audion VT5 Pipe D4, the resistance R15 that one end is connected with the N pole of diode D4, the other end is connected with the emitter stage of audion VT4, positive pole Be connected with the N pole of diode D4, electric capacity C8 that negative pole is connected with the base stage of audion VT6, one end is sent out with audion VT4's The resistance R16 that emitter-base bandgap grading is connected, the other end is connected with the colelctor electrode of audion VT5, one end is connected with the positive pole of electric capacity C9, The resistance R20 that the other end is connected with the negative pole of electric capacity C8, one end is connected with the P pole of diode D4, the other end and electric capacity C9 The resistance R21 that is connected of negative pole, one end is connected with the emitter stage of audion VT5, the other end is connected with the negative pole of electric capacity C9 The resistance R22 connect, the resistance that one end is connected with the emitter stage of audion VT6, the other end is connected with the negative pole of electric capacity C9 R23, the electric capacity C10 that positive pole is connected with the N pole of diode D4, negative pole is connected with the base stage of audion VT6, with electric capacity C10 The resistance R24 being arranged in parallel, and one end is connected with the positive pole of electric capacity C10, the other end is connected with the colelctor electrode of audion VT6 The resistance R25 composition connect；Wherein, the N pole of diode D4 is as the input of this motor protective circuit, the transmitting of audion VT6 Pole is as the outfan of this motor protective circuit.
Stand-by generator the most according to claim 2 double protection emergency starting system, it is characterised in that: described chip drives Protection circuit is by audion VT7, audion VT8, metal-oxide-semiconductor Q1, and one end is connected with the base stage of audion VT7, the other end is through electricity The resistance R26 being connected with the emitter stage of audion VT7 after resistance R27, negative pole is connected with the junction point of resistance R26 and resistance R27 Connect, electric capacity C11 that positive pole is connected with the emitter stage of audion VT7, positive pole is connected with the base stage of audion VT7, negative pole warp The electric capacity C12 that after resistance R30, colelctor electrode with audion VT7 is connected, positive pole is connected with the negative pole of electric capacity C12, negative pole connects The electric capacity C13 on ground, positive pole positive pole with electric capacity C11 after resistance R28 is connected, negative pole is connected with the base stage of audion VT8 Electric capacity C14, the resistance R29 that one end is connected with the emitter stage of audion VT7, the other end is connected with the negative pole of electric capacity C14, The electric capacity C20 that one end is connected with the negative pole of electric capacity C13, the other end is connected with the emitter stage of audion VT8, one end and three poles The resistance R32 that the emitter stage of pipe VT8 is connected, other end drain electrode with metal-oxide-semiconductor Q1 after resistance R33 is connected, one end and electricity The positive pole of appearance C14 is connected, the other end is connected with the colelctor electrode of audion VT8, sliding end is connected with the grid of metal-oxide-semiconductor Q1 Slide rheostat RP1, the electricity that one end is connected with the emitter stage of audion VT5, the other end is connected with the positive pole of electric capacity C10 Resistance R31, and the resistance R34 composition that one end is connected with the source electrode of metal-oxide-semiconductor Q1, the other end is connected with the positive pole of electric capacity C14； Wherein, the base stage of audion VT7 is made as the input of this chip drives protection circuit, the junction point of resistance R32 and resistance R33 Outfan for this chip drives protection circuit.
Stand-by generator the most according to claim 2 double protection emergency starting system, it is characterised in that: described chip drives Circuit by audion VT1, one end is connected with the base stage of audion VT1, the other end after resistance R2 with the current collection of audion VT1 The resistance R1 that pole is connected, positive pole colelctor electrode with audion VT1 after resistance R3 is connected, negative pole after resistance R4 with three poles The electric capacity C1 that the emitter stage of pipe VT1 is connected, resistance R6, the N pole being arranged in parallel with electric capacity C1 after resistance R7 with electric capacity C1's The Zener diode D2 that negative pole is connected, P pole is sequentially connected through resistance R5 base stage with audion VT1 after electric capacity C2, just Electric capacity C3, the P pole that pole is connected with the N pole of Zener diode D2, negative pole is connected with the P pole of Zener diode D2 and electric capacity C1 The diode D1 that positive pole is connected, N pole is connected with the junction point of resistance R8 and resistance R10, and one end and diode D1 The resistance R11 that N pole is connected, the other end is connected with VCC pin and the RESET pin of control chip U1 simultaneously composition；Its In, the negative pole of electric capacity C2 is connected with the negative pole of electric capacity C3, and the negative pole of electric capacity C3 is connected with the negative pole of electric capacity C5, resistance R1 and The negative pole of the junction point of resistance R2 and electric capacity C2 forms the input of this chip drive circuit.
Stand-by generator the most according to claim 4 double protection emergency starting system, it is characterised in that: described emergent judgement Circuit is connected with the OUT pin of control chip U1 by audion VT2, audion VT3, bidirectional thyristor VS1, electromotor M, one end Connect, resistance R12 that the other end is connected with the base stage of audion VT2, positive pole is connected with the base stage of audion VT2, negative pole with The electric capacity C7 that the negative pole of electric capacity C6 is connected, one end is connected with the colelctor electrode of audion VT3, the other end and resistance R1 and resistance The resistance R13 that the junction point of R2 is connected, one end is connected with the negative pole of electric capacity C7, the emitter stage of the other end and audion VT3 Resistance R14, the N pole being connected is connected with the junction point of resistance R1 and resistance R2, P pole is connected with the negative pole of electric capacity C7 two Pole pipe D3, the relay that one end is connected with the N pole of diode D3, the other end is connected with first electrode of bidirectional thyristor VS1 Device K, and positive pole is connected with one end of electromotor M, negative pole another with electromotor M after the normally-closed contact K-1 of relay K The accumulator GB composition that one end is connected；Wherein, the emitter stage of audion VT2 is connected with the base stage of audion VT3, audion The colelctor electrode of VT2 is connected with the N pole of diode D2, and the emitter stage of audion VT3 is extremely connected with the control of bidirectional thyristor VS1 Connecing, second electrode of bidirectional thyristor VS1 is connected with the P pole of diode D3, and the negative pole of accumulator touches through the normally closed of relay K It is connected with the P pole of diode D3 after some K-1.
Stand-by generator the most according to claim 5 double protection emergency starting system, it is characterised in that: described diode D4 N pole be connected with the positive pole of accumulator GB, the emitter stage of audion VT6 is connected with second electrode of unidirectional thyristor VS1, The base stage of audion VT7 is connected with the VCC pin of control chip U1, and the junction point of resistance R32 and resistance R33 is with electric capacity C6's Negative pole is connected.
CN201610547994.8A 2016-07-12 2016-07-12 Double-protection emergency start system for standby generator Pending CN106059057A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610547994.8A CN106059057A (en) 2016-07-12 2016-07-12 Double-protection emergency start system for standby generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610547994.8A CN106059057A (en) 2016-07-12 2016-07-12 Double-protection emergency start system for standby generator

Publications (1)

Publication Number Publication Date
CN106059057A true CN106059057A (en) 2016-10-26

Family

ID=57186147

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610547994.8A Pending CN106059057A (en) 2016-07-12 2016-07-12 Double-protection emergency start system for standby generator

Country Status (1)

Country Link
CN (1) CN106059057A (en)

Similar Documents

Publication Publication Date Title
CN204721079U (en) Dual-power automatic switching and charging circuit
CN105281422A (en) Method and circuit for automatically switching off power supply switch
CN207782478U (en) The power supply of charging pile control system
CN106059056A (en) Voltage stabilizing protection emergency start system for standby generator
CN112467843A (en) Intelligent identification quick-charging power type heating control device for electric heating product
CN107703824A (en) Air cooler drive feedback intelligent power supply control system
CN106059057A (en) Double-protection emergency start system for standby generator
CN204230889U (en) The redundant power supply circuit that a kind of electric machine controller for motor vehicle reverse connection preventing pours in down a chimney
CN106130168A (en) Voltage regulation type stand-by generator emergency starting system
CN107658972A (en) The double protection emergency starting systems of standby dual power supply generator
CN107465247B (en) Faraday capacitor delay power-off circuit suitable for intelligent cabinet control system
CN106026366A (en) Motor protection type standby generator emergency start-up system
CN202333070U (en) Backup battery activation starting device
CN106130169A (en) It is provided with the stand-by generator emergency starting system of chip drives protection circuit
CN103904983B (en) Many electric aircraft motor driven systems power-on and power-off timing management circuit
CN107658973A (en) The standby dual power supply generator emergency starting system of voltage regulation type
CN207234501U (en) A kind of accumulator super-charge of solar cell, which is crossed, puts control circuit
CN202797964U (en) Starting protection circuit capable of preventing reverse connection damage
CN207265924U (en) A kind of solar telephone electricity generation system
CN105916233A (en) Multi-mode charging protection ultra-far energy-saving illumination system
CN201918787U (en) Backup power circuit used for logging tool while drilling
CN204559124U (en) A kind of based on the cell anti-reverse device of lithium battery photovoltaic against Ore-controlling Role
CN206442173U (en) The charge and discharge control equipment of solar street light
CN107658967A (en) Standby dual power supply generator voltage-stabilizing protection emergency starting system
CN205546043U (en) Driver output current foldback circuit

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20161026