CN205544512U - Machine charges when selecting millet - Google Patents

Abstract

The utility model discloses a machine charges when selecting millet is become by time delay switch -on power source mechanism and charging device, and time delay switch -on power source mechanism includes contactor KM and contactor KM's control circuit, and control circuit constitutes by three branch roads are parallelly connected, time delay switch -on power source mechanism access 220V alternating current power supply and charging between the machine on the power cord. The utility model discloses can stagger a day electrical load peak value period, make the electric automobile of environmental protection add an environmental protection contribution again, " timesharing electrovalency " the policy advantage of utilization can reduce electric automobile use cost, brings economic benefits for the EV car owner.

Description

Charger when selecting paddy

Technical field

This utility model relates to charger when paddy is selected in charging mechanism field, specifically one.

Background technology

The based model for load duration of power system in recent years quickly increases, and peak-valley difference constantly increases, and peak load regulation network difficulty, imbalance between supply and demand is becoming increasingly acute, and brings great threat to the safe and stable operation of system.Meanwhile, along with progressively implementing and batteries of electric automobile technology growing and perfect of country's new forms of energy policy, electric automobile will emerge in multitude.Power that they consume when charging account for the ratio of power system load by increasing, will bring very important impact to security of system stable operation.Most electric automobile car owner can have vehicle-mounted battery charger, and they are always happy to carry out in the garage of private savings charging, is not integrated control and the management of business by EV.Terminating to go back home when EV car owner drives a vehicle one day, first thing puts car into garage exactly, plugs the charging electric vehicle that power supply is " hungry " of charger, the most just the peak load period of power system, increases peak-valley difference, bring burden to peak load regulation network.It addition, after " tou power price " is implemented, the electricity price of paddy electricity period (generally at night) is relatively low, selects paddy period charging (power purchase), utilize this policy superiority can reduce electric automobile use cost.

Utility model content

The purpose of this utility model is to provide charger when one selects paddy, to solve the problem that prior art electric motor car charging exists, and realizes being charged in the electric-net valley period.

In order to achieve the above object, the technical scheme that this utility model is used is:

nullCharger when selecting paddy，It is characterized in that: switched on power mechanism by time delay and charger is constituted，The described time delay mechanism that switches on power includes the control loop of catalyst KM and catalyst KM，Wherein catalyst KM accesses 220V alternating current power supply in the power line that charger charges，Control loop to be made up of three branch circuit parallel connections，Wherein Article 1 props up the auxiliary reclay KA that route is sequentially connected in series、Start button SB1、The normally opened auxiliary contact KA1 of stop button SB2 and the auxiliary reclay KA in parallel with start button SB1 is constituted，Article 2 is propped up the time relay KT of route on-delay and is constituted，Article 3 props up the control coil KM1 of the catalyst KM that route is sequentially connected in series、The normally opened on-delay auxiliary contact KT1 of time relay KT is constituted，Article three, during after branch road is parallel with one another, bypass accesses the power line between catalyst KM and 220V alternating current power supply again，And access has the normally opened auxiliary contact KA2 of auxiliary reclay KA between Article 1 branch road and Article 2 branch road.

Described charger when selecting paddy, it is characterised in that: time relay adjustable extent is more than 7 hours.

Described charger when selecting paddy, it is characterised in that: catalyst KM rated operational current Ie should be with the charger coupling being connected.

The beneficial effects of the utility model are:

A, due to the charger of a large amount of high-power power consumptions be have selected the paddy electricity period charging, stagger a day power load peak period, reduces peak-valley difference, decreases the safe and stable operation of peak regulation amount, beneficially power system.

B, thermal power plant are that peak-load regulating needs to waste substantial amounts of fuel, i.e. decrease waste so reducing peak load regulation network amount and pollute, and make the electric automobile of environmental protection add again a environmental protection contribution.

C, selection paddy period charging (power purchase), utilize " tou power price " policy superiority can reduce electric automobile use cost, bring economic benefit for EV car owner.

Accompanying drawing explanation

Charger structural representation when Fig. 1 this utility model selects paddy.

Fig. 2 power system " daily load curve " schematic diagram.

Detailed description of the invention

nullAs shown in Figure 1，Charger when selecting paddy，Switched on power mechanism 1 by time delay and charger 2 is constituted，The time delay mechanism that switches on power includes the control loop of catalyst KM and catalyst KM，Wherein catalyst KM accesses 220V alternating current power supply in the power line that charger charges，Control loop to be made up of three branch circuit parallel connections，Wherein Article 1 props up the auxiliary reclay KA that route is sequentially connected in series、Start button SB1、The normally opened auxiliary contact KA1 of stop button SB2 and the auxiliary reclay KA in parallel with start button SB1 is constituted，Article 2 is propped up the time relay KT of route on-delay and is constituted，Article 3 props up the control coil KM1 of the catalyst KM that route is sequentially connected in series、The normally opened on-delay auxiliary contact KT1 of time relay KT is constituted，Article three, during after branch road is parallel with one another, bypass accesses the power line between catalyst KM and 220V alternating current power supply again，And access has the normally opened auxiliary contact KA2 of auxiliary reclay KA between Article 1 branch road and Article 2 branch road.

Time relay adjustable extent is more than 7 hours.Catalyst KM rated operational current Ie should be with the charger coupling being connected.

Describe the problem, as shown in Figure 2 with power system " daily load curve ".Shade part A in figure represents the script load that all chargers do not add, during its summit load paragraph when the 20 of time coordinate axle on, when the lowest trough period is close to 4.In figure；Shade part B represents all charger total loads.Owing to the charger of a large amount of high-power power consumptions be have selected the charging of paddy electricity period, it is dragged to the load paddy period originally falling at the charging total load of script load peak period.As such, it is possible to solve following three problem: the first, stagger a day power load peak period, reduces peak-valley difference, decreases the safe and stable operation of peak regulation amount, beneficially power system.The second, thermal power plant is that peak-load regulating needs to waste substantial amounts of fuel, i.e. decreases waste so reducing peak load regulation network amount and pollutes, and makes the electric automobile of environmental protection add again a environmental protection contribution.3rd, select paddy period charging (power purchase), utilize this policy superiority can reduce electric automobile use cost, bring economic benefit for EV car owner.

This utility model is switched on power mechanism 1 by time delay and charger 2 forms.Time delay switch on power mechanism 1 by catalyst KM and control loop form.Described control loop is made up of three parallel branches from left to right: Article 1 operates branch road, and it has start button SB1, stop button SB2, normally opened auxiliary contact KA1, auxiliary reclay KA；Article 2 branch road has the time relay KT of on-delay；Article 3 branch road has normally opened on-delay auxiliary contact KT1, catalyst control coil KM1.It addition, be also provided with a normally opened auxiliary contact KA2 between Article 1 branch road and Article 2 branch road.

2. scheme implementation process

When EV car owner parks when parking stall of charging is EV charging, first connect delay power mechanism 1 power supply, the time delay setting value on time relay KT is become the self-charging moment to paddy electricity period initial time time number (when paddy electricity period initial time is commonly considered as 23).Then press lower start button SB1, auxiliary reclay KA coil electricity, make normally opened auxiliary contact KA1 close in self-sustaining state (now start button SB1 is rebounded), also make normally opened auxiliary contact KA2 close.After KA2 Guan Bi, the time relay KT coil electricity of on-delay, time relay KT trigger, time delay always is to numerical value after action is previously set, making normally opened on-delay auxiliary contact KT1 adhesive, catalyst KM control coil is energized, and catalyst KM main contact closes, charger 2 starts to charge up, the most just paddy electricity period initial time.When EV car owner comes parking space again, off delay switches on power mechanism 1 power supply, and time delay switches on power mechanism 1 dead electricity, and catalyst KM main contact cut-offs, and returns to normally open position, ready for charging next time.

Claims (3)

1. null1. charger when selecting paddy，It is characterized in that: switched on power mechanism by time delay and charger is constituted，The described time delay mechanism that switches on power includes the control loop of catalyst KM and catalyst KM，Wherein catalyst KM accesses 220V alternating current power supply in the power line that charger charges，Control loop to be made up of three branch circuit parallel connections，Wherein Article 1 props up the auxiliary reclay KA that route is sequentially connected in series、Start button SB1、The normally opened auxiliary contact KA1 of stop button SB2 and the auxiliary reclay KA in parallel with start button SB1 is constituted，Article 2 is propped up the time relay KT of route on-delay and is constituted，Article 3 props up the control coil KM1 of the catalyst KM that route is sequentially connected in series、The normally opened on-delay auxiliary contact KT1 of time relay KT is constituted，Article three, during after branch road is parallel with one another, bypass accesses the power line between catalyst KM and 220V alternating current power supply again，And access has the normally opened auxiliary contact KA2 of auxiliary reclay KA between Article 1 branch road and Article 2 branch road.
2. Charger when selecting paddy the most according to claim 1, it is characterised in that: time relay adjustable extent is more than 7 hours.
3. Charger when selecting paddy the most according to claim 1, it is characterised in that: catalyst KM rated operational current Ie should be with the charger coupling being connected.