CN205647015U - Time -delayed protection intelligence power supply protection control system - Google Patents

Time -delayed protection intelligence power supply protection control system Download PDF

Info

Publication number
CN205647015U
CN205647015U CN201620275500.0U CN201620275500U CN205647015U CN 205647015 U CN205647015 U CN 205647015U CN 201620275500 U CN201620275500 U CN 201620275500U CN 205647015 U CN205647015 U CN 205647015U
Authority
CN
China
Prior art keywords
audion
pole
electric capacity
resistance
time
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.)
Expired - Fee Related
Application number
CN201620275500.0U
Other languages
Chinese (zh)
Inventor
王蓉
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 MCC Energy Saving Environmental Protection Engineering Co Ltd
Original Assignee
Chengdu MCC Energy Saving Environmental Protection Engineering 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 MCC Energy Saving Environmental Protection Engineering Co Ltd filed Critical Chengdu MCC Energy Saving Environmental Protection Engineering Co Ltd
Priority to CN201620275500.0U priority Critical patent/CN205647015U/en
Application granted granted Critical
Publication of CN205647015U publication Critical patent/CN205647015U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Protection Of Static Devices (AREA)

Abstract

The utility model discloses a time -delayed protection intelligence power supply protection control system, including generating set and diesel oil generating set, this generating set and diesel oil generating set all are connected with the industrial computer, are provided with the display screen on the industrial computer, and this display screen is connected with the industrial computer through digifax adc, still be connected with the power supply and switch over the module on the industrial computer, still are provided with collector and detector between generating set and industrial computer, are connected with the consumer on the output of power supply switching module, power supply switching module comprises with the electricity generation screen the municipality's electric screen that is connected with the industrial computer respectively again, and the power input end of municipality's electric screen still is connected with the urban power supply power, and the power input end of the screen that generates electricity then is connected with generating set and diesel oil generating set. The utility model provides a signal processing time -delayed protection intelligence power supply protection control system can realize real -time supervision, better protection the normal operating of consumer.

Description

Delay protection intelligent power supply Protection control system
Technical field
This utility model relates to the power supply safety field that generates electricity, and specifically refers to a kind of delay protection intelligent power supply Protection control system.
Background technology
Along with the development of society, electric power has become the power producer of the whole society, becomes key factor indispensable in productive life.Recently as economic fast development, the demand of electric energy is the most greatly added by people.In peak times of power consumption, electricity consumption imbalance between supply and demand highlights, and there will be unexpected long-time power breakdown time serious, and this then will bring immeasurable loss.Running into this situation enterprise, that generating set generally will be used to generate electricity is properly functioning for each equipment, generating set is additionally provided with stand-by power supply, that is, diesel generating set.But generating set can not normal power generation time, diesel generating set can not be started again in time, the most still there will be the phenomenon of long-time power-off, this then will can cause certain loss to enterprise.
The purpose of this utility model is to overcome above deficiency, it is provided that a kind of real-time monitoring, raising serviceability and efficiency, the intelligence control system of the generating equipment increased the service life.
Summary of the invention
The purpose of this utility model is to overcome the problems referred to above, it is provided that a kind of delay protection intelligent power supply Protection control system, it is possible to realizes monitoring in real time, preferably protects the properly functioning of electrical equipment.
The purpose of this utility model is achieved through the following technical solutions:
Delay protection intelligent power supply Protection control system; including generating set and diesel generating set; this generating set is all connected with industrial computer with diesel generating set; industrial computer is provided with display screen; this display screen is connected with industrial computer by digital-to-analogue/analog-digital converter; being also associated with power switching module on industrial computer, be additionally provided with harvester and detector between generating set and industrial computer, connecting on the outfan of power switching module has electrical equipment;Described power switching module is made up of the city's electric screen being connected with industrial computer respectively and generating screen again, the power input of city's electric screen is also associated with city's power supply, the power input of generating screen is then connected with generating set and diesel generating set, the power input of generating screen is provided with generating protection circuit, the input of this generating protection circuit is connected with generating set and diesel generating set simultaneously, it is additionally provided with delay protection circuit between electrical equipment and power switching module, the input of this delay protection circuit is connected with power switching module, outfan is connected with electrical equipment.
As preferably, the data acquisition end of described harvester is connected with generating set, and the data-out port of this harvester is connected with industrial computer by detector.
As preferably, described city electric screen is the switchboard being connected with mains-supplied power supply, and generating screen is the switchboard being connected with generating set and diesel generating set.
nullFurther,Described generating protection circuit is by audion VT1,Audion VT2,Audion VT3,Audion VT4,Time-base integrated circuit U1,Positive pole is connected with the emitter stage of audion VT1、The electric capacity C1 that negative pole is connected with the emitter stage of audion VT3,P pole pin 3 with time-base integrated circuit U1 after resistance R1 is connected、The diode D1 that N pole is connected with the negative pole of electric capacity C1,Positive pole is connected with the pin 5 of time-base integrated circuit U1、The electric capacity C2 that negative pole is connected with the N pole of diode D1,Positive pole is connected with the colelctor electrode of audion VT3、The electric capacity C3 that negative pole is connected with the emitter stage of audion VT3,One end is connected with the positive pole of electric capacity C1、The resistance R2 that the other end is connected with the pin 7 of time-base integrated circuit U1,One end is connected with the base stage of audion VT1、The resistance R3 that the other end is connected with the pin 7 of time-base integrated circuit U1,One end is connected with the colelctor electrode of audion VT1、The resistance R4 that the other end is connected with the emitter stage of audion VT2,One end colelctor electrode with audion VT1 after resistance R5 is connected、The other end is connected with the emitter stage of audion VT4、The slide rheostat RP1 that sliding end is connected with the base stage of audion VT4,One end is connected with the emitter stage of audion VT3、The resistance R6 that the other end is connected with the emitter stage of audion VT4,And one end is connected with the base stage of audion VT3、The resistance R7 composition that the other end is connected with the emitter stage of audion VT4;Wherein, the emitter stage of audion VT1 is connected with pin 4 and the pin 8 of time-base integrated circuit U1 simultaneously, the N pole of diode D1 is connected with the pin 1 of time-base integrated circuit U1, the colelctor electrode of audion VT3 simultaneously with the base stage of audion VT2, the colelctor electrode of audion VT4, the pin 2 of time-base integrated circuit U1 is connected with pin 6, the base stage of audion VT1 is connected with the colelctor electrode of audion VT2, the model of time-base integrated circuit U1 is NE555, the positive pole of electric capacity C1 and negative pole form the input of this generating protection circuit, the emitter stage of the colelctor electrode of audion VT1 and audion VT4 forms the outfan of this generating protection circuit.
nullFurther,Described delay protection circuit is by audion VT5,Bidirectional thyristor VS1,Time-base integrated circuit U1,N pole is connected with the base stage of audion VT5、The diode D3 that P pole colelctor electrode with audion VT5 after resistance R10 is connected,N pole is connected with the colelctor electrode of audion VT5、The Zener diode D4 that P pole is connected with the N pole of diode D3 after resistance R12,Negative pole is connected with the colelctor electrode of audion VT5、The electric capacity C5 that positive pole is sequentially connected with the N pole of Zener diode D4 after resistance R11 through resistance R9,P pole is connected with the emitter stage of audion VT5、The diode D1 that N pole positive pole with electric capacity C5 after diode D2 is connected,Negative pole is connected with the P pole of diode D2、The electric capacity C4 that positive pole is connected with the P pole of diode D2 after resistance R8,Positive pole is connected with pin 4 and the pin 8 of time-base integrated circuit U1 simultaneously、The electric capacity C6 that negative pole is connected with pin 2 and the pin 6 of time-base integrated circuit U1 simultaneously,One end is connected with the negative pole of electric capacity C6、The resistance R13 that the other end is connected with the N pole of diode D3,Positive pole is connected with the pin 5 of time-base integrated circuit U1、The electric capacity C7 that negative pole is connected with the N pole of diode D3,Positive pole is connected with the first anode of bidirectional thyristor VS1、The electric capacity C8 that negative pole second plate with bidirectional thyristor VS1 after resistance R15 is connected,And one end is connected with the pin 3 of time-base integrated circuit U1、The other end controls, with bidirectional thyristor VS1's, the resistance R14 composition that pole is connected;Wherein, the model of time-base integrated circuit U1 is NE555; the N pole of diode D1 is connected with the P pole of diode D2; the positive pole of electric capacity C6 is connected with the junction point of resistance R9 and resistance R11; the negative pole of electric capacity C7 is connected with the pin 1 of time-base integrated circuit U1; the second plate of bidirectional thyristor VS1 is connected with the negative pole of electric capacity C7; the base stage of the positive pole of electric capacity C4 and audion VT5 forms the input of this delay protection circuit, and the positive pole of the positive pole of electric capacity C4 and electric capacity C8 forms the outfan of this delay protection circuit.
This utility model compared with prior art, has the following advantages and beneficial effect:
(1) this utility model can judge whether to need starter-generator group to power according to the electric power thus supplied of civil power voluntarily; and this utility model can also start standby diesel generating set voluntarily and is powered after electric set electric supply goes wrong; avoid electrical equipment out of service after civil power power-off; substantially increase the utilization rate of electrical equipment, it is to avoid electrical equipment shuts down the loss causing enterprise for a long time.
(2) this utility model is provided with generating protection circuit; it can be avoided that generating set and standby diesel generating set are in the generating initial voltage shakiness excessive impact causing follow-up electrical equipment of fluctuation; well improve the operation stability of system; protect electrical equipment, improve the service life of electrical equipment.
(3) this utility model is provided with delay protection circuit; avoid electrical equipment the most again to power, well protect electrical equipment, it is to avoid it frequently runs and stops; improve the stability that electrical equipment is run, and then improve its service life.
(4) this utility model simple in construction, easy for installation, it is suitable for being widely popularized.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is the circuit diagram of this utility model generating protection circuit.
Fig. 3 is the circuit diagram of this utility model delay protection circuit.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment 1
As shown in Figure 1; delay protection intelligent power supply Protection control system; including generating set and diesel generating set; this generating set is all connected with industrial computer with diesel generating set; being provided with display screen on industrial computer, this display screen is connected with industrial computer by digital-to-analogue/analog-digital converter, is also associated with power switching module on industrial computer; being additionally provided with harvester and detector between generating set and industrial computer, connecting on the outfan of power switching module has electrical equipment;Described power switching module is made up of the city's electric screen being connected with industrial computer respectively and generating screen again, the power input of city's electric screen is also associated with city's power supply, the power input of generating screen is then connected with generating set and diesel generating set, the power input of generating screen is provided with generating protection circuit, the input of this generating protection circuit is connected with generating set and diesel generating set simultaneously, it is additionally provided with delay protection circuit between electrical equipment and power switching module, the input of this delay protection circuit is connected with power switching module, outfan is connected with electrical equipment.
The data acquisition end of described harvester is connected with generating set, and the data-out port of this harvester is connected with industrial computer by detector.Described city electric screen is the switchboard being connected with mains-supplied power supply, and generating screen is the switchboard being connected with generating set and diesel generating set.
This delay protection intelligent power supply Protection control system is enough to be judged whether to need starter-generator group to power according to the electric power thus supplied of civil power voluntarily; and this utility model can also start standby diesel generating set voluntarily and is powered after electric set electric supply goes wrong; avoid electrical equipment out of service after civil power power-off; substantially increase the utilization rate of electrical equipment, it is to avoid electrical equipment shuts down the loss causing enterprise for a long time.
As in figure 2 it is shown, generating protection circuit is by audion VT1, audion VT2, audion VT3, audion VT4, time-base integrated circuit U1; slide rheostat RP1, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5; resistance R6, resistance R7, diode D1, electric capacity C1, electric capacity C2, and electric capacity C3 form.
nullDuring connection,The positive pole of electric capacity C1 is connected with the emitter stage of audion VT1、Negative pole is connected with the emitter stage of audion VT3,The P pole of diode D1 pin 3 with time-base integrated circuit U1 after resistance R1 is connected、N pole is connected with the negative pole of electric capacity C1,The positive pole of electric capacity C2 is connected with the pin 5 of time-base integrated circuit U1、Negative pole is connected with the N pole of diode D1,The positive pole of electric capacity C3 is connected with the colelctor electrode of audion VT3、Negative pole is connected with the emitter stage of audion VT3,One end of resistance R2 is connected with the positive pole of electric capacity C1、The other end is connected with the pin 7 of time-base integrated circuit U1,One end of resistance R3 is connected with the base stage of audion VT1、The other end is connected with the pin 7 of time-base integrated circuit U1,One end of resistance R4 is connected with the colelctor electrode of audion VT1、The other end is connected with the emitter stage of audion VT2,One end of slide rheostat RP1 colelctor electrode with audion VT1 after resistance R5 is connected、The other end is connected with the emitter stage of audion VT4、Sliding end is connected with the base stage of audion VT4,One end of resistance R6 is connected with the emitter stage of audion VT3、The other end is connected with the emitter stage of audion VT4,One end of resistance R7 is connected with the base stage of audion VT3、The other end is connected with the emitter stage of audion VT4.
Wherein, the emitter stage of audion VT1 is connected with pin 4 and the pin 8 of time-base integrated circuit U1 simultaneously, the N pole of diode D1 is connected with the pin 1 of time-base integrated circuit U1, the colelctor electrode of audion VT3 simultaneously with the base stage of audion VT2, the colelctor electrode of audion VT4, the pin 2 of time-base integrated circuit U1 is connected with pin 6, the base stage of audion VT1 is connected with the colelctor electrode of audion VT2, the model of time-base integrated circuit U1 is NE555, the positive pole of electric capacity C1 and negative pole form the input of this generating protection circuit, the emitter stage of the colelctor electrode of audion VT1 and audion VT4 forms the outfan of this generating protection circuit.
As it is shown on figure 3, delay protection circuit is by audion VT5, bidirectional thyristor VS1, time-base integrated circuit U1; diode D1, diode D2, diode D3, Zener diode D4; electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7; electric capacity C8, resistance R8, resistance R9; resistance R10, resistance R11, resistance R12; resistance R13, resistance R14, and resistance R15 form.
nullDuring connection,The N pole of diode D3 is connected with the base stage of audion VT5、P pole colelctor electrode with audion VT5 after resistance R10 is connected,The N pole of Zener diode D4 is connected with the colelctor electrode of audion VT5、N pole with diode D3 after resistance R12, P pole is connected,The negative pole of electric capacity C5 is connected with the colelctor electrode of audion VT5、Positive pole is sequentially connected through resistance R9 N pole with Zener diode D4 after resistance R11,The P pole of diode D1 is connected with the emitter stage of audion VT5、N pole positive pole with electric capacity C5 after diode D2 is connected,The negative pole of electric capacity C4 is connected with the P pole of diode D2、Positive pole P pole with diode D2 after resistance R8 is connected,The positive pole of electric capacity C6 is connected with pin 4 and the pin 8 of time-base integrated circuit U1 simultaneously、Negative pole is connected with pin 2 and the pin 6 of time-base integrated circuit U1 simultaneously,One end of resistance R13 is connected with the negative pole of electric capacity C6、The other end is connected with the N pole of diode D3,The positive pole of electric capacity C7 is connected with the pin 5 of time-base integrated circuit U1、Negative pole is connected with the N pole of diode D3,The positive pole of electric capacity C8 is connected with the first anode of bidirectional thyristor VS1、Negative pole second plate with bidirectional thyristor VS1 after resistance R15 is connected,One end of resistance R14 is connected with the pin 3 of time-base integrated circuit U1、The other end is connected with the control pole of bidirectional thyristor VS1.
Wherein, the model of time-base integrated circuit U1 is NE555; the N pole of diode D1 is connected with the P pole of diode D2; the positive pole of electric capacity C6 is connected with the junction point of resistance R9 and resistance R11; the negative pole of electric capacity C7 is connected with the pin 1 of time-base integrated circuit U1; the second plate of bidirectional thyristor VS1 is connected with the negative pole of electric capacity C7; the base stage of the positive pole of electric capacity C4 and audion VT5 forms the input of this delay protection circuit, and the positive pole of the positive pole of electric capacity C4 and electric capacity C8 forms the outfan of this delay protection circuit.
During use, industrial computer monitoring city electric screen and generating screen, the power supply of power supply so can be switched in time when city's electric screen is powered and gone wrong, the situation that electrical equipment that can well avoid has a power failure causes is out of service, make the loss caused minimize;The data of industrial computer output show after digital-to-analogue/analog-digital converter conversion the most on a display screen, parameter arranges simpler convenience, it is also convenient for carrying out in real time personal monitoring, the external signal interference to system can be prevented effectively from, serviceability and the efficiency of generating set can be effectively improved, extend the service life of generating set;When generating screen power supply, harvester gathers the data of generating set work, and carries out detecting real-time by detector, and the data of its detecting feed back to industrial computer in time, when detecting data occurs abnormal, industrial computer immediately controls diesel generating set and is powered, to improve the stability of system power supply.
As it has been described above, just can well realize this utility model.

Claims (5)

1. delay protection intelligent power supply Protection control system; it is characterized in that: include generating set and diesel generating set; this generating set is all connected with industrial computer with diesel generating set; industrial computer is provided with display screen; this display screen is connected with industrial computer by digital-to-analogue/analog-digital converter; being also associated with power switching module on industrial computer, be additionally provided with harvester and detector between generating set and industrial computer, connecting on the outfan of power switching module has electrical equipment;Described power switching module is made up of the city's electric screen being connected with industrial computer respectively and generating screen again, the power input of city's electric screen is also associated with city's power supply, the power input of generating screen is then connected with generating set and diesel generating set, the power input of generating screen is provided with generating protection circuit, the input of this generating protection circuit is connected with generating set and diesel generating set simultaneously, it is additionally provided with delay protection circuit between electrical equipment and power switching module, the input of this delay protection circuit is connected with power switching module, outfan is connected with electrical equipment.
Delay protection intelligent power supply Protection control system the most according to claim 1, it is characterised in that: the data acquisition end of described harvester is connected with generating set, and the data-out port of this harvester is connected with industrial computer by detector.
Delay protection intelligent power supply Protection control system the most according to claim 2, it is characterised in that: described city electric screen is the switchboard being connected with mains-supplied power supply, and generating screen is the switchboard being connected with generating set and diesel generating set.
nullDelay protection intelligent power supply Protection control system the most according to claim 3,It is characterized in that: described generating protection circuit is by audion VT1,Audion VT2,Audion VT3,Audion VT4,Time-base integrated circuit U1,Positive pole is connected with the emitter stage of audion VT1、The electric capacity C1 that negative pole is connected with the emitter stage of audion VT3,P pole pin 3 with time-base integrated circuit U1 after resistance R1 is connected、The diode D1 that N pole is connected with the negative pole of electric capacity C1,Positive pole is connected with the pin 5 of time-base integrated circuit U1、The electric capacity C2 that negative pole is connected with the N pole of diode D1,Positive pole is connected with the colelctor electrode of audion VT3、The electric capacity C3 that negative pole is connected with the emitter stage of audion VT3,One end is connected with the positive pole of electric capacity C1、The resistance R2 that the other end is connected with the pin 7 of time-base integrated circuit U1,One end is connected with the base stage of audion VT1、The resistance R3 that the other end is connected with the pin 7 of time-base integrated circuit U1,One end is connected with the colelctor electrode of audion VT1、The resistance R4 that the other end is connected with the emitter stage of audion VT2,One end colelctor electrode with audion VT1 after resistance R5 is connected、The other end is connected with the emitter stage of audion VT4、The slide rheostat RP1 that sliding end is connected with the base stage of audion VT4,One end is connected with the emitter stage of audion VT3、The resistance R6 that the other end is connected with the emitter stage of audion VT4,And one end is connected with the base stage of audion VT3、The resistance R7 composition that the other end is connected with the emitter stage of audion VT4;Wherein, the emitter stage of audion VT1 is connected with pin 4 and the pin 8 of time-base integrated circuit U1 simultaneously, the N pole of diode D1 is connected with the pin 1 of time-base integrated circuit U1, the colelctor electrode of audion VT3 simultaneously with the base stage of audion VT2, the colelctor electrode of audion VT4, the pin 2 of time-base integrated circuit U1 is connected with pin 6, the base stage of audion VT1 is connected with the colelctor electrode of audion VT2, the model of time-base integrated circuit U1 is NE555, the positive pole of electric capacity C1 and negative pole form the input of this generating protection circuit, the emitter stage of the colelctor electrode of audion VT1 and audion VT4 forms the outfan of this generating protection circuit.
nullDelay protection intelligent power supply Protection control system the most according to claim 4,It is characterized in that: described delay protection circuit is by audion VT5,Bidirectional thyristor VS1,Time-base integrated circuit U1,N pole is connected with the base stage of audion VT5、The diode D3 that P pole colelctor electrode with audion VT5 after resistance R10 is connected,N pole is connected with the colelctor electrode of audion VT5、The Zener diode D4 that P pole is connected with the N pole of diode D3 after resistance R12,Negative pole is connected with the colelctor electrode of audion VT5、The electric capacity C5 that positive pole is sequentially connected with the N pole of Zener diode D4 after resistance R11 through resistance R9,P pole is connected with the emitter stage of audion VT5、The diode D1 that N pole positive pole with electric capacity C5 after diode D2 is connected,Negative pole is connected with the P pole of diode D2、The electric capacity C4 that positive pole is connected with the P pole of diode D2 after resistance R8,Positive pole is connected with pin 4 and the pin 8 of time-base integrated circuit U1 simultaneously、The electric capacity C6 that negative pole is connected with pin 2 and the pin 6 of time-base integrated circuit U1 simultaneously,One end is connected with the negative pole of electric capacity C6、The resistance R13 that the other end is connected with the N pole of diode D3,Positive pole is connected with the pin 5 of time-base integrated circuit U1、The electric capacity C7 that negative pole is connected with the N pole of diode D3,Positive pole is connected with the first anode of bidirectional thyristor VS1、The electric capacity C8 that negative pole second plate with bidirectional thyristor VS1 after resistance R15 is connected,And one end is connected with the pin 3 of time-base integrated circuit U1、The other end controls, with bidirectional thyristor VS1's, the resistance R14 composition that pole is connected;Wherein, the model of time-base integrated circuit U1 is NE555; the N pole of diode D1 is connected with the P pole of diode D2; the positive pole of electric capacity C6 is connected with the junction point of resistance R9 and resistance R11; the negative pole of electric capacity C7 is connected with the pin 1 of time-base integrated circuit U1; the second plate of bidirectional thyristor VS1 is connected with the negative pole of electric capacity C7; the base stage of the positive pole of electric capacity C4 and audion VT5 forms the input of this delay protection circuit, and the positive pole of the positive pole of electric capacity C4 and electric capacity C8 forms the outfan of this delay protection circuit.
CN201620275500.0U 2016-04-05 2016-04-05 Time -delayed protection intelligence power supply protection control system Expired - Fee Related CN205647015U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620275500.0U CN205647015U (en) 2016-04-05 2016-04-05 Time -delayed protection intelligence power supply protection control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620275500.0U CN205647015U (en) 2016-04-05 2016-04-05 Time -delayed protection intelligence power supply protection control system

Publications (1)

Publication Number Publication Date
CN205647015U true CN205647015U (en) 2016-10-12

Family

ID=57066283

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620275500.0U Expired - Fee Related CN205647015U (en) 2016-04-05 2016-04-05 Time -delayed protection intelligence power supply protection control system

Country Status (1)

Country Link
CN (1) CN205647015U (en)

Similar Documents

Publication Publication Date Title
CN204376516U (en) A kind of self-powered super capacitor energy-storing power supply detected for line fault
CN102810901A (en) Communication power supply system based on fuel cell
CN101950820A (en) Static zero consumption energy-saving charging device
CN203840002U (en) Vehicle power source management system
CN108429472B (en) A kind of self-starting of power generation with marine energy and self-powered energy collection circuit
CN104065111B (en) A kind of black starting-up system and its startup method for the electric energy storage of portable guarantor
CN107947557A (en) A kind of soft starting circuit of anti-over-pressed, under-voltage surge
CN201332223Y (en) Uninterrupted power supply in network communication room
CN114583818A (en) Be applied to building electrical monitoring equipment
CN204597597U (en) A kind of domestic solar electric power system
CN205647015U (en) Time -delayed protection intelligence power supply protection control system
CN203366709U (en) Liquid crystal display screen dormancy control device applied for solar inverter
CN202872443U (en) Fuel-cell-based communication power supply
CN205647014U (en) Intelligence power supply protection control system
CN100553070C (en) A kind of uninterrupted power supply with multiple protection functions
CN203135416U (en) Charging protection circuit preventing battery voltage from flowing backward
CN205647013U (en) Time -delayed protection intelligence power supply control system
CN103683998A (en) Method and device for reducing nighttime power consumption of photovoltaic inverter
CN205647012U (en) Signal processing intelligence power supply protection control system
CN205647016U (en) Signal processing intelligence power supply control system
CN208028644U (en) A kind of bank base station device of solar generating
CN208401606U (en) A kind of band key automatically powers off intelligent charger
CN205967758U (en) Realize unloaded energy -conserving control circuit of contravariant welding machine
CN205105141U (en) Energy -conserving supply circuit of solar energy cloudy day
CN204559124U (en) A kind of based on the cell anti-reverse device of lithium battery photovoltaic against Ore-controlling Role

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161012

Termination date: 20180405