CN113320444A - Highway single line switching formula power supply system - Google Patents
Highway single line switching formula power supply system Download PDFInfo
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- CN113320444A CN113320444A CN202110432322.3A CN202110432322A CN113320444A CN 113320444 A CN113320444 A CN 113320444A CN 202110432322 A CN202110432322 A CN 202110432322A CN 113320444 A CN113320444 A CN 113320444A
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- power supply
- slide rail
- vehicle
- conductive slide
- supply device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/02—Details
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The utility model provides a highway single line exchange formula power supply system, includes the insulating base pad of laying along the highway direction of travel and the electrically conductive slide rail for the vehicle power supply that traveles, support fossil fragments are installed to the top of insulating base pad, are equipped with the location mounting groove that the location supported fossil fragments were used on insulating base pad, the inside of supporting fossil fragments sets up to the electrical apparatus guard room, installs power supply unit in the electrical apparatus guard room, and power supply unit includes the electrical apparatus storehouse and installs the positive negative electrode in the electrical apparatus storehouse left and right sides, electrically conductive slide rail is installed on the support fossil fragments directly over the electrical apparatus storehouse, is equipped with between electrical apparatus storehouse and electrically conductive slide rail and installs the leakage detection device outside supporting fossil fragments. The invention has simple structure and strong universality, can supply power or charge the electric automobile running on the road power supply system section, improves the endurance mileage and the usability of the electric automobile, does not interfere other vehicles, is reliable and durable, and is quite safe because the conductive slide rail has the same potential with the ground and is uncharged when no vehicle passes through the conductive slide rail.
Description
Technical Field
The invention relates to a power supply device, in particular to a road single-line switching type power supply system.
Background
With the excessive consumption of petroleum resources and the increase of environmental pollution caused by the excessive consumption, the environmental protection and low carbon trip and the reduction of the consumption of petrochemical oil products are social requirements. Therefore, new energy automobiles are developed in the world, pure electric automobiles have the most development potential in the new energy automobiles, and plug-in pure electric automobiles which can be repeatedly charged and have zero emission are considered as the final targets of future development.
Along with the continuous development of new energy electric vehicles, the demand on the storage battery capacity is higher and higher, the capacity of the storage battery reaches 50-90C, the driving range of the official nominal single full charge is higher and higher, but the defects of the new energy electric vehicles cannot be covered: 1. the single charging time is long, and long-time waiting for charging is difficult to realize on the way; 2. after the air conditioner is accelerated or started frequently, the mileage drops greatly; 3. the battery is aged quickly, and the capacity of the battery drops greatly in about three years, so that the driving mileage is influenced; 4. the capacity of the battery reaches the limit and still can not be used on a heavy-duty vehicle
For this reason, many countries are actively researching and developing electric vehicles and power supply systems for supplying power thereto. People put forward and increase the electric pile that fills on the highway, but the investment is huge, and the maintenance procedure is complicated, and the cost is too high, and some fill electric pile and be outdoor in addition, do not suitable the use in the time of the rain. Therefore, a low-cost and high-efficiency power supply technology for the electric automobile is urgently needed in the market.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a highway single-line switching power supply system which has simple structure, stability, firmness, strong universality, safety and reliability and can not be limited by battery capacity, and the specific scheme is as follows:
the invention relates to a single-line switching type power supply system for a road, which is characterized in that: the road electric leakage detection device comprises a plurality of power supply devices which are arranged at intervals and laid along the road running direction, each power supply device comprises an insulating base pad and a conductive slide rail for supplying power to running vehicles, a supporting keel is installed above the insulating base pad, the cross section of the supporting keel is of a trapezoidal structure with a small top and a large bottom, a positioning installation groove for positioning the supporting keel is formed in the insulating base pad, an electric appliance protection chamber is arranged inside the supporting keel, a power supply unit is installed in the electric appliance protection chamber and comprises an electric appliance bin and positive and negative electrodes installed on the left side and the right side of the electric appliance bin, the conductive slide rail is installed on the supporting keel right above the electric appliance bin, and an electric leakage detection device installed outside the supporting keel is arranged between the electric appliance bin and the conductive slide rail; the application steps are as follows: when the vehicle drives into a road with a highway single-wire exchange type power supply system, (1) a sensor arranged on the driving vehicle is in signal butt joint with an authentication system in a power supply unit, vehicle information authentication is completed through a communication module, the power supply unit is allowed to supply power, charging is started, and the front pantograph and the rear pantograph are put down; (2) the front pantograph contacts the power supply unit, a relay in an electrical appliance bin of the power supply unit acts, the front pantograph is influenced by a delay circuit in the electrical appliance bin, after the front pantograph drives away from a first power supply device at an initial end, a conductive slide rail of the first power supply device is connected with a positive electrode, so that the conductive slide rail of the first power supply device keeps a positive electrode state for a certain time, and in the time, the rear pantograph contacts the conductive slide rail of the first power supply device to receive positive electrode power supply; (3) when the rear pantograph contacts with the conductive slide rail of the first power supply device, the front pantograph electric shock pantograph contacts with the conductive slide rail of the next power supply device, namely the conductive slide rail of the second power supply device, the conductive slide rail of the second power supply device is connected with the negative electrode through the electrical appliance bin of the second power supply device, the front pantograph and the rear pantograph of the running vehicle form a closed loop, and the vehicle power supply is completed; (4) and (3) continuously repeating the actions (1) to (3) in the running process of the vehicle, and continuously providing electric energy for the vehicle.
The technical problem to be solved by the invention can be further realized by the following technical scheme that the supporting keel is a closed keel consisting of a base, a top surface, a left side surface and a right side surface.
The technical problem to be solved by the invention can be further realized by the following technical scheme that the base is arranged in the positioning installation groove.
The technical problem to be solved by the invention can be further realized by the following technical scheme that a relay, a voltage reduction and stabilization circuit, a power supply circuit, a bistable switch circuit, a monostable trigger circuit, a switch control circuit and an optical coupling switch are arranged in the electrical appliance bin.
The technical problem to be solved by the invention can be further realized by the following technical scheme that the electric leakage detection device and the support keel are both arranged below a horizontal road surface, and the conductive slide rail is arranged on the horizontal road surface.
The technical problem to be solved by the invention can be further realized by the following technical scheme that a sensor which is matched with a vehicle sensor to read vehicle information is arranged on the conductive slide rail.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention has simple structure, stability and firmness, strong universality, safety and reliability, only the bottom of the vehicle is additionally provided with the standard power receiving interface, various vehicles can share the power supply line, the appearance, the trafficability characteristic and the like of the vehicle are not influenced, the power supply line can supply power or charge the electric vehicle running on the road power supply system section, the cruising mileage and the usability of the electric vehicle are improved, other vehicles are not interfered, and the invention is reliable, durable and very safe.
2. The energy-saving and emission-reducing electric vehicle can meet the requirements of the current country on the environmental protection of motor vehicles, provides clean, high-power and uninterrupted electric power for various vehicles (overweight trucks and special vehicles can be designed with special lines), and completely solves the problems of the endurance mileage and charging of the electric vehicle. The air pollution of fuel automobiles in cities is reduced, and the vehicle buying and using cost of citizens can be reduced, so that the life is more convenient than before, and the breathing air is better.
3. The insulating base pad plays a role in insulation and can reduce the friction between the keel and the road; the supporting keel arranged on the insulating base pad plays a role in protecting the internal power supply anode, cathode and electrical appliance bin; the electric leakage detection device can conveniently detect whether the support keel and the conductive sliding rail have electric leakage.
4. The method meets the humanistic requirements, solves the problem of the last kilometer in addition to high-speed rails, subways and light rails, is convenient and free for family free travel, is not restricted by time and place of public vehicles and is not restricted by the capacity of the storage battery.
5. The power taking mode is various, high speed, national road and urban and rural road can be laid, and national power grids, solar power stations, wind power stations, small hydropower stations and the like in the enterprise and rural areas can be flexibly networked for power supply according to standards, so that the development of green industries such as solar energy, wind energy and the like is further promoted.
6. The battery consumption is reduced, only about 50C of electricity quantity of a dead zone is needed to be kept, the price of the electric vehicle can be obviously reduced, the electric vehicle is beneficial to purchasing by the masses, and the pollution of waste batteries to the environment is further reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present embodiment provides a single-line switching power supply system for roads, which includes a plurality of power supply devices arranged at intervals along a road traveling direction, the power supply device comprises an insulating base pad 4 and a conductive sliding rail 1 for supplying power to running vehicles, a supporting keel 6 is arranged above the insulating base pad 4, the cross section of the supporting keel 6 is of a trapezoidal structure with a small upper part and a big lower part, a positioning installation groove for positioning the support keel is arranged on the insulating base pad, an electric appliance protection chamber is arranged inside the support keel, a power supply unit is arranged in the electric appliance protection chamber, the power supply unit comprises an electric appliance bin 5, and a positive electrode 3 and a negative electrode 7 which are arranged at the left side and the right side of the electric appliance bin, the conductive slide rail is arranged on a support keel above the electric appliance bin, an electric leakage detection device 2 arranged outside the supporting keel is arranged between the electrical appliance bin 5 and the conductive sliding rail; the application steps are as follows: when the vehicle drives into a road with a highway single-wire exchange type power supply system, (1) a sensor arranged on the driving vehicle is in signal butt joint with an authentication system in a power supply unit, vehicle information authentication is completed through a communication module, the power supply unit is allowed to supply power, charging is started, and the front pantograph and the rear pantograph are put down; (2) the front pantograph contacts the power supply unit, a relay in an electrical appliance bin of the power supply unit acts, the front pantograph is influenced by a delay circuit in the electrical appliance bin, after the front pantograph drives away from a first power supply device at an initial end, a conductive slide rail of the first power supply device is connected with a positive electrode, so that the conductive slide rail of the first power supply device keeps a positive electrode state for a certain time, and in the time, the rear pantograph contacts the conductive slide rail of the first power supply device to receive positive electrode power supply; (3) when the rear pantograph contacts with the conductive slide rail of the first power supply device, the front pantograph electric shock pantograph contacts with the conductive slide rail of the next power supply device, namely the conductive slide rail of the second power supply device, the conductive slide rail of the second power supply device is connected with the negative electrode through the electrical appliance bin of the second power supply device, the front pantograph and the rear pantograph of the running vehicle form a closed loop, and the vehicle power supply is completed; (4) and (3) continuously repeating the actions (1) to (3) in the running process of the vehicle, and continuously providing electric energy for the vehicle. The insulating base pad is made of an insulating material; the support keel forms a trapezoidal hollow space with a supporting function, the space contains a power supply anode, a power supply cathode and an electrical appliance bin, the support keel has a supporting function on a road and simultaneously protects electrical appliances in the inner space; the electric leakage detection device is used for detecting whether the keel is electrified or not so as to ensure safety; and a conductive sliding rail is arranged above the electric leakage detection device and supplies power to the vehicles running on the road above the electric leakage detection device through the conductive sliding rail. The gaps are formed between the two adjacent power supply devices, so that the front pantograph and the rear pantograph of the vehicle can be conveniently contacted with the two adjacent power supply devices at the same time, and the purpose of charging the vehicle is achieved.
The support keel is a closed keel consisting of a base 8, a top surface, a left side surface and a right side surface. The base 8 is installed in the positioning installation groove. The electric appliance cabin is internally provided with a relay, a voltage reduction and voltage stabilization circuit, a power supply circuit, a bistable switch circuit, a monostable trigger circuit, a switch control circuit and an optical coupling switch. The electric leakage detection device and the supporting keel are both installed below the horizontal road surface, and the conductive sliding rail is installed on the horizontal road surface. The single body is 1 meter in length, and is placed on a road surface, and the top end of the single body is exposed out of the conductive sliding rail. And the conductive slide rail is provided with a sensor which is matched with the vehicle sensor to read the vehicle information.
The insulating base pad plays an insulating role, the friction between the keel and a road is reduced, the supporting keel plays a role in protecting an internal power supply anode and cathode and the electrical appliance bin, and the anode and the cathode are arranged on two sides of the electrical appliance bin and connected through an internal control circuit of the electrical appliance bin; the electric leakage detection device is arranged above the keel and is used for detecting whether the keel and the conductive slide rail are in electric leakage or not; the conductive sliding rail is firstly connected with the electric leakage detection device and is connected with a power supply circuit in the electrical appliance bin through the electric leakage detection device.
The power supply process of the invention is as follows: the highway single-line exchange type power supply system is formed by sequentially connecting a plurality of highway single-line exchange type power supply units along a highway direction, a pantograph is required to be installed at the bottom of an electric automobile which is used in a matched mode, and each automobile is required to be provided with 2 pantographs which are divided into a front pantograph and a rear pantograph. Under the state that no vehicle drives in, all power supply units in the single-line switching type power supply system on the road are in a negative state (-); (1) when the vehicle enters the road with the power supplied by the highway single-wire exchange type power supply system, the vehicle sensor is in signal butt joint with the authentication system in the ground power supply unit, the vehicle information authentication is completed through the communication module, the power supply unit is allowed to supply power, the charging is started, and the pantograph is released. (2) The front pantograph contacts the power supply unit, a relay in an electrical appliance bin of the power supply unit acts (the actuation time of the relay is controllable), the relay supplies power to the negative electrode of the vehicle in the time that the relay converts the conductive slide rail from the negative electrode (-) to the positive electrode (+), and the front pantograph moves away from the power supply unit. (3) After the front pantograph of the vehicle is driven away from the power supply unit, the power supply unit keeps the positive pole state (+) for a certain time without changing under the influence of the delay circuit, and the rear pantograph of the vehicle is contacted with the power supply unit in the time to receive positive power supply. (4) When the pantograph contact power supply unit at the back of the vehicle carries out positive pole (+) power supply, the pantograph contact power supply unit at the front of the vehicle carries out negative pole (-) power supply to form a closed loop, and the vehicle power supply is completed. In order to increase the vehicle speed and limit the installation distance of the front and rear pantograph of the vehicle, power is generally supplied by one power supply unit. (5) In the running process of the vehicle, the actions (1) to (4) are repeated continuously to continuously provide electric energy for the electric vehicle, the running electric vehicle not only does not consume the electric quantity of a storage battery of the electric vehicle, but also can charge the battery in the vehicle, and the continuous running in a non-electric area is ensured.
The invention is continuously paved on the road surface, thereby forming the running road of the vehicle and realizing the functions of continuous charging and the like when the vehicle runs. When a vehicle comes, a sensor at the front end of the vehicle sends a signal, a first power supply device, namely a power supply sliding block of a first highway single-wire exchange type power supply system when the vehicle starts, of a front pantograph of the vehicle is arranged on the ground, and the sensor receives the signal, converts the signal into an electric signal and then simultaneously triggers a monostable switching circuit and a bistable switching circuit; the monostable switching circuit is triggered to enable the relay of the monostable switching circuit to start to be attracted, after a certain time, the power supply polarity of the first power supply device is changed from negative to positive, the first power supply device is kept for a certain time, and before the polarity is changed, the first power supply device always supplies power to the negative of the vehicle; the bistable switch circuit is triggered to make the relay in the period disconnected (normally closed state), the delay circuit plays a role, the relay in the monostable switch circuit keeps the closed state, and the anode power supply is continuously provided. When the vehicle runs to a second power supply device, namely a second road single-wire exchange type power supply system at the beginning of the vehicle, the front pantograph of the vehicle contacts the second power supply device, at the moment, the second power supply device provides negative power supply, the relay of the monostable switch circuit in the second power supply device starts to act, and meanwhile, the first power supply device is converted into positive power supply and contacts with the rear pantograph of the vehicle, so that a power supply loop is formed to supply power to the vehicle. When the vehicle leaves the first power supply device, the sensor at the back of the vehicle sends a signal to the first power supply device, and the sensor in the first power supply device receives the signal and triggers the monostable switching circuit and the bistable switching circuit simultaneously. The delay time of the monostable switching circuit is not reached, the sensor signal does not act, and the circuit keeps the anode unchanged. The bistable switch circuit is triggered to close the relay of the bistable switch circuit of the first power supply device, the delay circuit is finished to disconnect the relay of the monostable switch circuit, and the polarity of the first power supply device is reversed to be a negative pole.
When the signal of the sensor behind the vehicle is not received, the delay circuit expires, the monostable switch circuit relay of the first power supply device is triggered to be switched off, the positive pole of the power supply of the first power supply device is switched into the negative pole, and the bistable switch circuit relay of the first power supply device is triggered to be switched on, so that the first power supply device is ready for receiving the next signal, the module can be automatically reset when no trigger signal exists, the module is kept in an uncharged state, and the safety is ensured.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the concept of the present invention in the disclosure of the present invention, and fall into the protection scope of the present invention.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110432322.3A CN113320444A (en) | 2021-04-21 | 2021-04-21 | Highway single line switching formula power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110432322.3A CN113320444A (en) | 2021-04-21 | 2021-04-21 | Highway single line switching formula power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113320444A true CN113320444A (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110432322.3A Pending CN113320444A (en) | 2021-04-21 | 2021-04-21 | Highway single line switching formula power supply system |
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| Country | Link |
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| CN (1) | CN113320444A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938159A (en) * | 2010-07-21 | 2011-01-05 | 罗俊 | Driving charging system for electromobile on road |
| CN102490619A (en) * | 2011-12-14 | 2012-06-13 | 西南交通大学 | Charging system in driving state of electric cars |
| CN107933324A (en) * | 2017-12-19 | 2018-04-20 | 东北大学秦皇岛分校 | One kind provides electrodynamic highway traffic system and obtains electrodynamic method |
| CN109228882A (en) * | 2018-10-30 | 2019-01-18 | 杭州杉林科技有限公司 | A kind of electric vehicle ground power supply system and method for supplying power to |
-
2021
- 2021-04-21 CN CN202110432322.3A patent/CN113320444A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938159A (en) * | 2010-07-21 | 2011-01-05 | 罗俊 | Driving charging system for electromobile on road |
| CN102490619A (en) * | 2011-12-14 | 2012-06-13 | 西南交通大学 | Charging system in driving state of electric cars |
| CN107933324A (en) * | 2017-12-19 | 2018-04-20 | 东北大学秦皇岛分校 | One kind provides electrodynamic highway traffic system and obtains electrodynamic method |
| CN109228882A (en) * | 2018-10-30 | 2019-01-18 | 杭州杉林科技有限公司 | A kind of electric vehicle ground power supply system and method for supplying power to |
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Application publication date: 20210831 |
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| RJ01 | Rejection of invention patent application after publication |