A kind of spare emergent power source
Technical field
The present invention relates to field of power supplies, particularly relate to a kind of spare emergent power source.
Background technology
Along with the raising of people's living standard, the time of people to market shopping also gets more and more, thus
Well promote the development of megastore.Existing a lot of megastore is all to make with a building
For unit, usually there will be unexpected tread event when there is accidental power failure or power-off or cause bigger
Economic loss, accordingly, it would be desirable to arrange the emergency power supply in a kind of market, prevent because of accidental power failure or disconnected
During electricity, contingency occurs.
Existing emergency power supply mainly has following several, EPS emergency power supply, UPS uninterrupted power source,
Provide diesel emergency generating set for oneself, have the special feed line independent of normal power source of automatic throw-in equipment
Road and provide emergent gas turbine generator group etc. for oneself.EPS emergency power supply is by charger, inverter, electric power storage
The one of the device compositions such as pond, isolating transformer, switching switch is reverse into AC energy direct current energy
Emergency power supply.It is adapted to allow for the load that the interruption of power supply time is more than 0.25s.UPS not between
Power-off source is mainly ensured the static of power supply continuity with what power converter energy storage device and switch constituted
Type ac uninterrupted power supply device.It is adapted to allow for the load that the interruption of power supply time is Millisecond.From
Standby diesel emergency generating set is with diesel engine as power, drags industrial frequency AC synchronous generator composition
Generating equipment.The generating set of quick damper, it is adaptable to allow the interruption of power supply time be 15s with
On building.The working time of emergency power supply should be considered by the power off time allowed in production technology,
When with automatically actuated generating set with the use of time, l0min should not be less than.Automatically engage dress
The special feeder line independent of normal power source put, it is adaptable to the movement time of automatic bus can be full
Foot allows the emergency power supply of interruption of power supply time 1.5s or more than 0.6s.All permissible power outage durations are
Millisecond, and the particular importance load that capacity is little, if be possible with DC source person, Ying Cai
By accumulator battery as emergency power supply.Providing emergent gas turbine generator group for oneself is to be with gas turbine
Power, drags the generating equipment of industrial frequency AC synchronous generator composition.
Above-mentioned various emergency power supplies need certain reflecting time, and due to the power supply of market needs
Bigger, above-mentioned various single emergency power supply all cannot meet the needs in market.Accordingly, it would be desirable to
Design one is for TV university, and the market emergency power supply that reflecting time is short.
Summary of the invention
What the present invention needed solution is that existing emergency power supply can not meet confession TV university and reflecting time is short
Problem, it is provided that a kind of spare emergent power source.
The present invention solves the problems referred to above by the following technical programs:
A kind of spare emergent power source, including Monitoring and Controlling unit, control switch, diesel power generation group,
Accumulator, electric energy speed put booster circuit, inversion unit, timed discharging circuit, timed discharging circuit,
Charhing unit, switch unit, Alternating Current Unit, the first switch and second switch;
Monitoring and Controlling unit is used for detecting whether outside civil power input port has electric current pass through and detect accumulator
Electricity, the most also control switch unit, control switch, charhing unit, first switch and second open
The Push And Release closed;
Control switch and control switch for PLC, for controlling the startup of diesel power generation group;
Diesel power generation group mainly includes diesel engine and electromotor, and diesel engine starting drives electromotor to carry out
Rotate generating;
Accumulator is used for storing electric energy and release electric energy;
For connecting with accumulator and quickly the electric energy in accumulator being discharged;
Timed discharging circuit is for regularly giving battery discharging and charging;
Inversion unit is for being transformed into alternating current unidirectional current, it is achieved the electricity of accumulator output electric energy
Pressure, frequency, phase place keep consistent with grid height;
Charhing unit charges a battery for civil power is carried out inversion decompression;
Switch unit is used for switching civil power energising or emergency power supply supply line;
Alternating Current Unit provides steady point and the electric current adapted to for giving load;
First on-off control city supplies electricity to load energising;
Second switch is used for controlling whether to be charged to accumulator.
In such scheme, preferably electric energy speed put booster circuit include accumulator quick discharging circuit,
Electric energy savings circuit and booster circuit;Electric energy savings circuit electric energy buffering within the short time so that
Input small-power electric current, exports the effect of high-power electric current, and its general buffer time is Millisecond,
Therefore the electric discharge on emergency power supply is not have influential, and booster circuit is for raising voltage.
In such scheme, preferably Monitoring and Controlling unit includes controller, current detection circuit and electricity
Amount testing circuit, controller is for controlling switch and the startup of each circuit, and current detection circuit is used for
Whether the outside civil power input port of detection has electric current, and electric quantity detecting circuit is used for detecting accumulator electric-quantity.
In such scheme, preferably switch unit mainly includes the relay switch of two-way, mainly uses
In the switching controlling circuit.
In such scheme, preferably diesel power generation group mainly includes diesel engine and electromotor, diesel oil
Machine starts drive electromotor and carries out rotating generating.
Advantages of the present invention with effect is:
1. the present invention have intellectual management, length in service life, overload capacity is strong, defencive function is perfect,
Without the advantage such as aerofluxus, noiseless, the especially convenience in fire-fighting is applied, the feature of environmental protection, high efficiency etc.
Advantage embodies clearly;
2. the present invention not only has and the fast-response time of EPS emergency power supply, and can provide again
Powerful power supply, therefore, it is possible to meet the demand in market very well;
3. the present invention carries out signal by detection of electrons and controls the switch on each road so that control is more
It is accurate and quick to add.
Accompanying drawing explanation
Fig. 1 is principle of the invention block diagram.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
A kind of spare emergent power source, as it is shown in figure 1, include Monitoring and Controlling unit, control switch, bavin
Hydro power generation group, accumulator, electric energy speed are put booster circuit, inversion unit, timed discharging circuit, are filled
Electric unit, switch unit, Alternating Current Unit, the first switch and second switch.
The input of the first switch electrically connects with outside city.The outfan of the first switch is respectively with second
Switch and switch unit connect.The outfan of switch unit is through Alternating Current Unit and the load of outside market
Connect.The charged unit of outfan of second switch is connected with accumulator.The outfan of accumulator is through electricity
Energy speed is put booster circuit and is connected with inversion unit.The outfan of inversion unit is connected with switch unit.Prison
Survey control unit control end respectively with switch unit, control switch, charhing unit, first switch and
Second switch connects.The outfan controlling switch is connected with inversion unit through diesel power generation group.Monitoring
The test side of control unit is connected with outside civil power input port and accumulator;The input of timed discharging circuit
End is connected Ei with Monitoring and Controlling unit, and the outfan of timed discharging circuit is connected with accumulator, such as Fig. 1
So.
Monitoring and Controlling unit is used for detecting whether outside civil power input port has electric current pass through and detect electric power storage
The electricity in pond, the most also controls switch unit, controls switch, charhing unit, the first switch and second
The Push And Release of switch.Monitoring and Controlling unit mainly includes controller, current detection circuit and electric power detection
Circuit, controller is for controlling switch and the startup of each circuit, outside current detection circuit is used for detecting
Whether civil power input port, portion has electric current, and electric quantity detecting circuit is used for detecting accumulator electric-quantity.
Control switch and control switch for PLC, for controlling the startup of diesel power generation group.For receiving
The control signal that Monitoring and Controlling unit is incoming, according to control signal control diesel power generation group startup or
Close.
Diesel power generation group mainly includes diesel engine and electromotor, and diesel engine starting drives electromotor to carry out
Rotating generating, use for diesel engine carries out rotating drive electromotor in burning diesel oil conversion of heat into kinetic energy and turns
Dynamic, electromotor is for being converted into electric energy kinetic energy, and exports electric energy.
Accumulator is used for storing electric energy and release electric energy.Accumulator as the energy-accumulating medium of emergency power supply,
Owing to the present invention uses in megastore, therefore accumulator is large-scale energy-storage battery, has storage electricity
The advantages such as energy is many, and release electric energy is fast.
Electric energy speed is put booster circuit and is included accumulator quick discharging circuit, electric energy savings circuit and rise piezoelectricity
Road;The input of described accumulator quick discharging circuit is connected with accumulator;Described accumulator is quickly put
The outfan of electricity circuit connects through electric energy savings circuit and booster circuit;The outfan of described booster circuit
It is connected with inversion unit.Accumulator quick discharging circuit is for connecting and quickly accumulator with accumulator
Interior electric energy discharges, electric energy savings circuit electric energy buffering within the short time so that input little
Power current, exports the effect of high-power electric current, and its general buffer time is Millisecond, the most right
The electric discharge of emergency power supply is not have influential, and booster circuit is for raising voltage.
Inversion unit is for being transformed into alternating current unidirectional current, it is achieved the electricity of accumulator output electric energy
Pressure, frequency, phase place keep consistent with grid height, it is thus possible to more preferably market provides electric energy.
Timed discharging circuit, for regularly giving battery discharging and charging, has encryption to accumulator
Effect, extends the life-span of accumulator.
Charhing unit charges a battery for civil power is carried out inversion decompression, and charge switch is monitored
The control controlling end of control unit.
Switch unit is used for switching civil power energising or emergency power supply supply line, and its switching action is supervised
Survey control unit control, mainly include the relay switch of two-way, be mainly used in controlling circuit
Switching.
Alternating Current Unit, for providing steady point and the electric current adapted to load, has the spy of steady some output
Point.Alternating Current Unit can provide the alternating current of 220V directly to load, it is also possible to voltage is raised to
360V etc., provide electric current according to the needs of load.
First on-off control city supplies electricity to load energising, the control of the monitored control unit of its switch motion
System.First switchs main relay switch, Monitoring and Controlling unit input pulse signal be controlled greatly
Being switched on or off of electric current.
Second switch is used for controlling whether to be charged to accumulator, and sky in Australia has charged control action,
Its switch motion is similarly subjected to the control of Monitoring and Controlling unit.
Below preferred embodiment to the invention is illustrated, but the present invention does not limit
In embodiment, those of ordinary skill in the art also may be used on the premise of the invention spirit
To make modification or the replacement of all equivalents, modification or the replacement of these equivalents are all contained in the application
In the range of.