KR101016209B1 - Feeding segmentation of on-line electric vehicle, method for installation and controlling thereof - Google Patents

Abstract

PURPOSE: A sequential power supplying network of an online electrical vehicle, a manufacturing method thereof, and a controlling method thereof are provided to minimize the power loss by implementing the selective power supplying in the feeding line in operation. CONSTITUTION: A power supply unit(100) supplies the power through a first power line and a second supply line. The first and second switching units constitute one feeding line of the first feeding line or the second feeding line. A third switching unit selectively constitutes the closed loop with one of the first switching unit or the second switching unit.

Description

Feeding segmentation of on-line electric vehicle, method for installation and controlling}

The present invention relates to an on-line electric vehicle, and more particularly, to a sequential power supply network, an installation method and a control method of an on-line electric vehicle, which enables selective power supply to a zone in which the on-line electric vehicle is operated.

Recently, with the focus on GHG and environmental pollution and green policies and green growth, national policies for reducing CO ₂ have been announced, suggesting green vision as a new growth engine to overcome the economic crisis both at home and abroad.

As one of the measures for this, a rechargeable electric vehicle is currently being developed in which a battery is operated by charging electricity in a vehicle in Korea and overseas. Such rechargeable electric vehicles are charged in a separate charging station or at home, or replace batteries. Recently, however, it is possible to miniaturize a battery, and when driving, an online electric vehicle that can be driven by wirelessly receiving high frequency induction electricity from a power supply coil installed on a road has attracted attention.

Online electric vehicles are a new concept electric vehicle that solves the problem of battery capacity and battery price by minimizing the addition of new infrastructure of charging facilities or long charging time and minimizing the battery capacity to 1/5 of existing electric vehicles.

When the online electric bus using the online electric vehicle is introduced, it is expected that the fuel cost per unit will be reduced by 22 million won per year by improving fuel economy by 75% compared to the existing compressed natural gas (CNG) vehicle.

Such an online electric vehicle flows along a feed line constructed on a road, and supplies a magnetic field generated to the electric power feeding device of the online electric vehicle. In this case, power is supplied from the power supply device to the feeder line, and an inverter is used as the power supply device. In addition, the power supplied from the inverter flows along the feed line, and the magnetic field generated at this time is supplied from the feeding device of the online electric vehicle to drive the online electric vehicle and charge the battery.

In general, one inverter constitutes a power supply line at a predetermined distance, but a magnetic field that is not induced by a power supply device of an online electric vehicle has a problem of harmful electromagnetic waves. In addition, the efficiency of the system, such as losses due to the feeder's own resistance should be increased, and various studies are being conducted to obtain the maximum effect while minimizing the length of the wire.

In order to suppress harmful electromagnetic radiation, segmentation techniques have been developed to short-circuit power feed lines that are actually powered.

Hereinafter, a power supply network of an on-line electric vehicle according to the related art will be described with reference to the accompanying drawings.

1 is a view for explaining a power supply network of an online electric vehicle according to the prior art.

The electric power grid of an on-line electric vehicle according to the prior art is an independent segmentation power grid, in which the first inverter 10 and the second inverter 11 each have first to nth feed lines 13a, 13n, and 14a. Is independently connected to (14n). In this case, the first to n th feed lines 13a and 13n connected to the first inverter 10 are supplied with power through the first lead line 17a and the second lead line 17b. The first to n th feed lines 14a and 14n connected to the second inverter 11 are supplied with power through the first lead line 18a and the second lead line 18b.

On the other hand, each of the first lead wire 17a and the second lead wire 17b connected to the first inverter 10 is switched by the first to nth switches 15a and 15n so that the first to nth feed lines 13a are connected. Power supply selectively). At this time, the switching of the first to nth switches 15a and 15n is performed by the control device 12.

In addition, each of the first lead wire 18a and the second lead wire 18b connected to the second inverter 11 is switched by the first to n th switches 16a and 16n to be connected to the first to n th feed line 14a. 14n) to supply power selectively. In addition, the switching of the first to nth switches 16a and 16n is also performed in the controller 12.

However, the power supply network of the online electric vehicle according to the prior art has the following problems.

First, as the feed line is configured independently, the length of the feed line is increased and the number of switches is increased.

Second, in the case of reducing the inverter has a problem that the length of the feed line is increased.

Third, there was a problem in that the construction cost and the maintenance cost of the feeder line increased due to the increase in the feeder line length or the number of switches.

Accordingly, the present invention is to solve all the disadvantages and problems of the prior art as described above, the present invention to minimize the power loss or the generation of electromagnetic waves by enabling a selective power supply only for the power supply line running the online electric vehicle. The purpose of the present invention is to provide a sequential power supply network, construction method and control method of an on-line electric vehicle.

The present invention for achieving the above object, the first feeder line and the second feeder network in the power supply network of the on-line electric vehicle driven by receiving a magnetic field generated from the first feeder line and the second feeder line constructed on the road A plurality of power supply means for supplying power to each of the feed lines through respective first power lines and second power lines; First and second switching means configured in one of the plurality of power supply means, one of the first feed line or the second feed line between power supply means adjacent to each other; One side is connected between the first and second switching means, and the other side is connected to the other feed line not configured with the first and second switching means, and selectively closed with one of the first switching means or the second switching means. Third switching means for constructing a loop; And control means for selectively controlling the first to third switching means and the plurality of power supply means such that the closed loop is selectively configured in the first and second feed lines in the direction and section in which the online electric vehicle is running; It provides a sequential feeding network of an online electric vehicle, characterized in that it comprises a.

Here, the power supply means preferably supplies alternating current to the power source.

The power supply means is preferably an inverter.

In addition, the switching means is preferably composed of a switch and a coil.

On the other hand, it is preferable that the first to third switching means controlled by the control means are each composed of a switch and a coil.

Here, the control means may include a switching means power supply for supplying power for guiding the coils of the first to third switching means, and a switch for selectively switching the power of the switching means power supply to the first to third switching means. It is preferably configured to include a control unit for controlling the first to third switching means control switch unit, the switching means power supply unit and the first to third switching means control switch unit.

On the other hand, each of the first to third switching means control switch unit controlled by the control unit is preferably composed of a switch and a coil.

In addition, one side of each coil is connected to the common line of the control unit, the other side of each coil is preferably connected to the individual line of the control unit.

Here, each anode is connected to the other individual line of the coil, and each diode connected to the cathode is further configured to the common line of the coil, and a resistance is further configured between the common line of the coil and the cathode of each diode. It is preferable.

The control means short-circuits one of the first and second switching means and the third switching means for a closed loop configuration, and supplies power from one power supply means of the plurality of power supply means to the first and second feed line. It is preferable to supply.

In order to achieve the above object, the present invention provides a grid of an online electric vehicle driven by a magnetic field generated from a feed line constructed on a road, and is formed at a predetermined interval on a road, and each power source is supplied to the feed line. A plurality of power supply means for supplying power through a line; Switching means configured on a feed line between a plurality of power supply means adjacent to each other; And control means for controlling the power supply means and the switching means such that power is supplied to a feed line in a section in which the online electric vehicle is traveling according to the direction of the on-line electric vehicle. It provides a sequential feeding network of an online electric vehicle, characterized in that it comprises a.

In addition, the present invention for achieving the above object, the first feed line in the control method of the on-line electric vehicle power supply network driven by receiving the magnetic field generated in the first feed line and the second feed line constructed on the road, the first feed line And a plurality of power supply means for supplying power to each of the second feed line through the first power line and the second power line at predetermined intervals; Configuring first and second switching means in one of the plurality of power supply means, one of the first feed line or the second feed line between the power supply means adjacent to each other; One side is connected between the first and second switching means, and the other side is connected to the other feed line not configured with the first and second switching means, and selectively closed with one of the first switching means or the second switching means. Constructing a third switching means comprising a loop; And a control means for selectively controlling the first to third switching means of the first and second feed lines in the driving direction and the section of the on-line electric vehicle, and a power supply for supplying power to the first and second feed lines. Selectively controlling the first to third switching means in the driving direction and section of the online electric vehicle to be sequentially shorted and opened; It provides a construction method of the on-line electric vehicle power grid characterized in that it comprises a.

In order to achieve the above object, the present invention provides a control means for supplying power to the first to third switching means and the first and second feed lines of the first and second feed lines in the driving direction and section of the online electric vehicle. A method of controlling an on-line electric vehicle power supply network, characterized in that the first to third switching means in the driving direction and section of the on-line electric vehicle are selectively controlled to sequentially short-circuit and open by selectively controlling the power supply to be supplied. To provide.

According to the present invention as described above has the following effects.

First, it is possible to selectively supply power only to the feeder line in the area where the online electric vehicle is operating, thereby minimizing power loss and electromagnetic radiation.

Second, minimizing power loss can minimize the cost of operating an online electric vehicle.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the sequential power grid and the control method of the on-line electric vehicle according to the present invention will be described in detail.

In addition, the terminology used in the present invention was selected as a general term that is widely used at present, but in certain cases, the term is arbitrarily selected by the applicant, and in this case, since the meaning is described in detail in the corresponding part of the present invention, a simple term It is to be understood that the present invention is to be understood as a meaning of terms rather than names.

In addition, in describing the embodiments, descriptions of technical contents which are well known in the technical field to which the present invention belongs and are not directly related to the present invention will be omitted. This is to more clearly communicate without obscure the subject matter of the present invention by omitting unnecessary description.

2 is a view for explaining a power supply network of an online electric vehicle according to the present invention. As shown in FIG. 2, a power supply network of an online electric vehicle according to the present invention includes a power supply line 500 and 510 and a plurality of first to Nth power supply means 100, 200, 300, and 400. And a plurality of switching means (SW11) (SW12) (SW13) (SW21) (SW22) (SW23) (SW31) (SW32) (SW33) and control means (700).

Here, the feed line 500, 510 is built on the road to generate a magnetic field to supply power to the power feeding device of the online electric vehicle. At this time, a plurality of first to N-th power supply means (100, 200, 300, 400) are installed in the feed line (500, 510) at a predetermined interval to supply power. Such first to Nth power supply means 100, 200, 300, 400 may be configured as an inverter. On the other hand, the feed line 500, 510 is composed of a pair of first, second feed line (500, 510), according to the first to N-th power supply means (100, 200, 300) The first and second feed lines 500 and 510 may also be formed at the first and second power lines 810a, 820a, 810b, 820b, 810c, 820c, and 810d and 820d, respectively. Power on each one. At this time, the power output from the first to Nth power supply means (100, 200, 300, 400) is an AC power source, the AC power source is periodically changed in size and direction with time.

On the other hand, the switching means SW11 (SW12) (SW13) (SW21) (SW22) (SW23) (SW31) (SW32) (SW33) are a plurality of first to Nth power supply means (100, 200, 300) Three of the power supply lines 500 and 510 between the first to Nth power supply means 100, 200, 300, and 400 are adjacent to each other. At this time, the first to third switching means SW11 (SW12) and SW13 are configured between the first and second power supply means 100 and 200, and the fourth to sixth switching means SW21 and SW22. (SW23) is configured between the second, third power supply means (200, 300), the seventh to ninth switching means (SW31) (SW32) (SW33) is the third and Nth power supply means ( It can be seen that between 300 and 400.

The first and second power supply lines 500 and 510 will be described with reference to the first to third switching means SW11, SW12, and SW13 as the switching means having such a configuration. The second switching means SW11 and SW12 are configured in series with one of the first feed line 500 and the second feed line 510. In addition, one side of the third switching means SW13 is connected between the first and second switching means SW11 and SW12, and the other side of the third switching means SW13 is not constituted by the first and second switching means SW11 and SW12. It is connected to one feed line. According to this configuration, the third switching means SW13 may form a closed loop with one of the first switching means SW11 or the second switching means SW12. Such a closed loop configuration enables selective power supply only in the closed loop section in which the online electric vehicle is driving.

On the other hand, the control means 700 is one of the first and second switching means (SW11) (SW12) and the third in the first and second feed line (500, 510) of the direction and section that the online electric vehicle is driving The switching means SW13 are sequentially shorted and opened, and one power supply means of the plurality of power supply means 100, 200, 300, 400 is connected to the first and second feed line paths. Selectively control to supply power to (500) (510). To this end, it is connected through each switching means and each control line 600. Of course, this is only an example of one on-line electric vehicle, and when several on-line electric vehicles are running, all switching means of the corresponding section maintain a short circuit state, and all the power supply means may be operated. However, in the case where the driving of the online electric vehicle is not much, or the spread of the online electric vehicle, and at night, the effect of minimizing the power loss by the power supply method can be sufficiently obtained.

On the other hand, the switching means of the present invention as shown in Figure 3, may be composed of a switch (SW) and the coil (L). This switch SW is shorted as power is induced to the coil.

4 is a view for explaining an embodiment of a circuit configuration of the control means shown in FIG. As shown in FIG. 4, a circuit configuration for controlling a sequential power supply network of an on-line electric vehicle according to the present invention includes a switching means power supply 710 and first to third switching means SW11 (SW12) and SW13. The first to the third switching means control switch unit (S110) (S120) (S130) for controlling the short-circuit / open, and the control unit 720.

Here, the switching means power supply unit 710 supplies power for inducing the first to third coils L11, L12, and L13 of the first to third switching means SW11, SW12, and SW13. .

The first to third switching means control switch units S110, S120, and S130 may turn on the power of the switching means power supply unit 710 according to the control signal of the control unit 720. It switches selectively to SW11) (SW12) (SW13). These first to third switching means control switch unit (S110) (S120) (S130) is the first to third switch (SW110) (SW120) (SW130) and the first to third coil (L110) (L120). It may be configured as (L130). In this case, one side of each of the first to third coils L110, L120, and L130 is connected to the common line SC of the controller 720, and the first to third coils L110, L120, and L130. The other side of) is connected to individual lines S1, S2, and S3 of the controller 720. The first to third coils L110 and L120 are selectively shorted to selectively short the first to third switches SW110, SW120, and SW130 according to the output signals of the individual lines S1, S2, and S3. (L130) Operate.

Meanwhile, respective anodes are connected to the other individual lines S1, S2, and S3 of the first to third coils L110, L120, and L130, and the first to third coils L110 and L120. First and third diodes D1, D2, and D3 having cathodes connected to the common line L130 are respectively formed, and the common line and the first line of the first to third coils L110, L120, and L130 are respectively formed. First to third resistors R1, R2, and R3 are respectively formed between the cathodes of the to third to third diodes D1, D2, and D3.

Here, the first to third diodes D1, D2, and D3 prevent a reverse voltage at each of the first to third coils L110, L120, and L130.

In addition, the first to fourth zener diodes ZD1, ZD2, ZD3, and ZD4, which are not described, also prevent reverse voltage.

Control logic of the sequential power grid of the on-line electric vehicle according to the present invention will be described with reference to Table 1 to Table 3.

In the control logic of the sequential power supply network of the online electric vehicle according to the present invention, Table 1 is the forward control logic, Table 2 is the reverse control logic.

Control

order section Power supply Switching means 100 200 300 400 … SW11 SW13 SW12 SW21 SW23 SW22 … One On Off Off Off … On On Off Off Off Off … 2 Off On Off Off … Off On On Off Off Off … 3 Off On Off Off … Off Off Off On On Off … 4 Off Off On Off … Off Off Off Off On On …

Control

order section Power supply Switching means 100 200 300 400 … SW11 SW13 SW12 SW21 SW23 SW22 … One Off Off On Off … Off Off Off Off On On … 2 Off On Off Off … Off Off Off On On Off … 3 Off On Off Off … Off On On Off Off Off … 4 On Off Off Off … On On Off Off Off Off …

On the other hand, Table 3 is a table for explaining the power supply network control logic by the peripheral power supply when an error occurs in the adjacent power supply, the forward control logic will be described. In this case, when an error occurs in the first power supply means 100, the second power supply means 200 adjacent to the first power supply means 100 supplies power. And the control means 700 short-circuits all the 1st switching means SW11 thru | or the 3rd switching means SW13.

Control

order section Power supply Switching means 100 200 300 400 … SW11 SW13 SW12 SW21 SW23 SW22 … One Off On Off Off … On On On Off Off Off … 2 Off On Off Off … Off On On Off Off Off … 3 Off On Off Off … Off Off Off On On Off … 4 Off Off On Off … Off Off Off Off On On …

Accordingly, the online electric vehicle may sequentially run from left to right even when an error occurs in the first power supply device 100.

As shown in Tables 1 to 3, if the inverter, that is, the power supply and the switch, or the switching means are selectively controlled according to the case, the first to third switching means in the driving direction and the section of the online electric vehicle (SW11) (SW12) (SW13) and the first to Nth power supply devices 100, 200, 300, 400 are sequentially controlled. Therefore, it is possible to selectively supply power to the feeder line in the area where the online electric vehicle is operating, thereby minimizing power loss and electromagnetic radiation.

Although the present invention has been described by way of example as described above, the present invention is not necessarily limited to these examples, and various modifications can be made without departing from the spirit of the present invention. Therefore, the examples disclosed in the present invention are not intended to limit the technical idea of the present invention but to explain the present invention, and the scope of the technical idea of the present invention is not limited by these examples. The scope of protection of the present invention should be interpreted by the following claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

1 is a view for explaining a power supply network of an online electric vehicle according to the prior art,

2 is a view for explaining a sequential feeding network of an online electric vehicle according to the present invention,

3 is a view for explaining an embodiment of the switching means shown in FIG.

4 is a view for explaining an embodiment of a circuit configuration of the control means shown in FIG.

* Description of the symbols for the main parts of the drawings *

100, 200, 300, 400: power supply means 500, 510: feed line

600: control line 700: control means

Claims (12)

In a power supply network of an on-line electric vehicle driven by a magnetic field generated from a first feed line and a second feed line constructed on a road, A plurality of power supply means for supplying power to each of the first feed line and the second feed line through a first power line and a second power line; First and second switching means configured on one of the plurality of power supply means, one of the first feed line and the second feed line between neighboring power supply means; One side is connected between the first and second switching means, and the other side is connected to another feeder line not configured with the first and second switching means, so that one of the first and second switching means Third switching means, optionally constituting a closed loop; And, Control means for selectively controlling the first to third switching means and the plurality of power supply means such that the closed loop is selectively configured in the first and second feed lines in the direction and section in which the online electric vehicle is traveling; ; Sequential feeding network of the online electric vehicle, characterized in that comprises a. The method of claim 1, The power supply means is a sequential power supply network of an on-line electric vehicle, characterized in that for supplying alternating current to the power. The method according to claim 1 or 2, The power supply means is a sequential power supply network of an on-line electric vehicle, characterized in that the inverter. The method of claim 1, The first to the third switching means controlled by the control means is a sequential power supply network of the on-line electric vehicle, characterized in that each consisting of a switch and a coil. The method of claim 4, wherein The control means, A switching means power supply for supplying power for inducing coils of each of the first to third switching means; First to third switching means control switch portions for selectively switching the power supply of the switching means power supply to the first to third switching means; And a control unit configured to control the switching means power supply unit and the first to third switching means control switch units. The method of claim 5, Each of the first to third switching means control switch unit controlled by the control unit is a sequential power supply network of the on-line electric vehicle, characterized in that composed of a switch and a coil. The method according to claim 5 or 6, The one side of each coil is connected to the common line of the control unit, the other side of each coil is connected to the individual line of the control unit sequential power supply network of the electric vehicle. The method of claim 7, wherein Each anode is connected to the other individual line of the coil, and each diode connected to the cathode is further configured to the common line of the coil, and a resistance is further configured between the common line of the coil and the cathode of each diode. A sequential feeding network of an online electric vehicle, characterized in that. The method of claim 1, The control means short-circuits one of the first and second switching means and the third switching means for the closed loop configuration, and the first and second feed line of the power supply means of one of the plurality of power supply means. A sequential feeding network of an online electric vehicle, characterized in that to supply power to the. In the power supply network of an online electric vehicle driven by a magnetic field generated from a power supply line constructed on a road, A plurality of power supply means formed on the road at a predetermined interval and supplying power to each of the power supply lines through power lines; Switching means configured in said feed line between adjacent power supply means of said plurality of power supply means; And, Control means for controlling the power supply means and the switching means such that power is supplied to a feed line in a section in which the online electric vehicle is driven according to a traveling direction of the online electric vehicle; Sequential feeding network of the online electric motor vehicle, characterized in that comprises a. In the electric power feeder network construction method of the on-line electric vehicle driven by receiving the magnetic fields generated from the first feed line and the second feed line built on the road, Constructing a plurality of power supply means for supplying power to each of the first feed line and the second feed line through a first power line and a second power line at predetermined intervals; Configuring first and second switching means in one of the plurality of power supply means, one of the first feed line and the second feed line between neighboring power supply means; One side is connected between the first and second switching means, and the other side is connected to another feeder line not configured with the first and second switching means, so that one of the first and second switching means Configuring a third switching means, optionally in a closed loop; And, Selectively controlling the first to third switching means of the first and second feed lines and the power supply device to supply power to the first and second feed lines in the driving direction and section of the online electric vehicle, Control means for selectively controlling the first to third switching means in the driving direction and section of the on-line electric vehicle to be sequentially shorted and opened electrically with the plurality of power supply means and the first to third switching means. Connecting; Power supply network construction method of an on-line electric vehicle, characterized in that comprises a. In the on-line electric vehicle control method in the on-line electric vehicle power grid constructed by the construction method according to claim 11, The control means selectively controls the first to third switching means of the first and second feed lines in the driving direction and section of the online electric vehicle and the power supply device for supplying power to the first and second feed lines. And selectively controlling the first to third switching means in the driving direction and section of the online electric vehicle to sequentially short-circuit and open the electric vehicle power grid.

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