CN215971194U - Train contactless traction power supply device - Google Patents
Train contactless traction power supply device Download PDFInfo
- Publication number
- CN215971194U CN215971194U CN202121745030.7U CN202121745030U CN215971194U CN 215971194 U CN215971194 U CN 215971194U CN 202121745030 U CN202121745030 U CN 202121745030U CN 215971194 U CN215971194 U CN 215971194U
- Authority
- CN
- China
- Prior art keywords
- train
- power supply
- receiving end
- supply device
- power receiving
- 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.)
- Active
Links
Images
Landscapes
- Plasma Technology (AREA)
Abstract
The utility model discloses a train contactless traction power supply device, which comprises a train power receiving end, a train body ionization assembly, a restraint assembly and a contact network, wherein the train power receiving end is connected with the train body ionization assembly; the train power receiving end is arranged at the top of the train body; the ionization component and the restraint component are arranged around the power receiving end of the train and are compounded into a compact structure, and the restraint component is arranged on the outer side of the ionization component; the contact net is arranged above the power receiving end of the train. The power supply device realizes the non-contact traction power supply of the train, avoids the contact between the power receiving end of the train and a contact net, reduces the maintenance cost of the power receiving end of the train and the contact net, is provided with the electromagnetic restraint assembly, restrains the movement of plasma in a plasma region to form a power transmission channel, blows away escaping plasma outside the plasma region, ensures the high conductivity of the plasma, realizes high-efficiency power wireless transmission, and has the efficiency of 95%.
Description
Technical Field
The utility model belongs to the field of train power supply, and particularly relates to a train non-contact traction power supply device.
Background
At present, traditional train power supply mode adopts the contact net power supply mode of bow net coupling to realize pulling the power supply, and pantograph and contact net need direct contact, must produce the loss of pantograph and contact net, need regular maintenance and overhaul pantograph and contact net. If the wireless power transmission mode is adopted, the maintenance work caused by abrasion of a contact net and a pantograph can be reduced. The mainstream power supply mode in the wireless power transmission scheme is power supply based on the electromagnetic induction principle, and when the mode is adopted for traction power supply, strong electromagnetic radiation can be generated, and the transmission efficiency is low. If the abrasion problem caused by wired power supply and the radiation and efficiency problems caused by electromagnetic induction power supply are avoided, a wireless power transmission mode with higher transmission efficiency and stronger environment adaptability is needed.
Plasma is a fourth state of matter different from solid, liquid, and gaseous. When some substances are heated to a sufficiently high temperature or subjected to a strong electric field, ionization occurs, electrons in the outer layer of neutral particles of the substances are unbound from nuclei and become free electrons, and then the state of the substances can be regarded as a uniform state composed of two substances, i.e., a positively charged nucleus and a negatively charged electron. The material has equal positive and negative charges and is approximately neutral, so that the material is plasma. The plasma has the characteristic of electric conductivity, and the electric conductivity is higher, and can be restricted by a magnetic field.
The contactless power supply of the train needs to be considered by combining various factors from the basic composition of a power supply device and the selection of an energy storage medium, the basic composition starts from the simplicity and the durability of structural installation, and the energy storage medium needs to be considered from the aspects of conductive performance, economic investment, safety and the like.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model provides a non-contact traction power supply device for a train,
the power supply device comprises a train receiving end, a train body, an ionization assembly, a restraint assembly, a contact network and a power supply unit;
the train power receiving end is arranged at the top of the train body;
the ionization component and the restraint component are arranged around the power receiving end of the train and are compounded into a compact structure, and the restraint component is arranged on the outer side of the ionization component;
the contact net is arranged above the power receiving end of the train.
Further, the ionization assembly comprises a high-voltage ionizer which is composed of a positive electrode and a negative electrode, the positive electrode and the negative electrode are oppositely arranged, and a strong electric field is formed between the positive electrode and the negative electrode.
Further, the ionization assembly further comprises a high-pressure storage bottle, wherein the high-pressure storage bottle is arranged inside the vehicle body and is located on the same side as the positive electrode.
Further, the ionization assembly further comprises a fluid nozzle, a valve is installed between the fluid nozzle and the high-pressure storage bottle, and the fluid nozzle is arranged at the positive pole and used for releasing the fluid in the high-pressure storage bottle.
Further, the fluid spout is towards the contact net.
Furthermore, the high-pressure storage bottle is internally stored with easily-ionized gas, and the easily-ionized gas is ionized into plasma through the high-pressure ionizer under the action of a strong electric field.
Further, the restraint assembly comprises an electromagnetic restraint device, and the electromagnetic restraint device is arranged on the high-voltage ionizer;
the restraint subassembly still includes the fan, the fan sets up in the outside of electromagnetism restraint ware.
Further, the plasma region generates a power transmission channel, and the train power receiving end and the contact net transmit power through the power transmission channel.
Further, train power receiving end includes electrically conductive metal dish and conductor, the conductor setting is connected with train powered device at the automobile body top, electrically conductive metal dish is located the conductor upper end.
The utility model has the technical effects and advantages that:
the power supply device is provided with the electromagnetic restraint assembly, movement of plasma in the plasma region is restrained to form a power transmission channel, escaping plasma outside the plasma region is blown away, high conductivity of the plasma is guaranteed, efficient power wireless transmission is achieved, and efficiency can reach 95%.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 shows a schematic connection diagram of a contactless traction power supply according to an embodiment of the present invention.
In the figure: 1. a high voltage ionizer; 2. an electromagnetic restraint; 3. a fluid jet; 4. a conductive metal disk; 5. a high pressure storage bottle; 6. a conductor; 7. a catenary; 8. a vehicle body; 9. a fan; 10. a plasma region; 11. a positive electrode; 12. and a negative electrode.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
The utility model provides a train non-contact traction power supply device based on the conductive performance of plasma and aims to realize the application of the plasma to train power supply. The power supply device comprises an ionization assembly, a restraint assembly, a train power receiving end, a contact network 7 and a train body 8. The restraint assembly comprises an electromagnetic restraint 2 and a fan 9, and the ionization assembly comprises a high-pressure ionizer 1, a fluid nozzle 3 and a high-pressure storage bottle 5.
Referring to fig. 1, the train power receiving end is installed on the top of a train body 8, the overhead line system 7 is located above the train power receiving end, the ionization assembly and the restraint assembly are arranged around the train power receiving end and combined into a compact structure, and the restraint assembly is installed on the outer side of the ionization assembly; the ionization assembly is used for ionizing the easily ionized gas sprayed out of the fluid nozzle 3 into plasma, the restraint assembly is used for restraining the generated plasma to form a plasma region 10 so as to generate a power transmission channel, and the train power receiving end 4 and the contact net 7 transmit power through the power transmission channel.
Train power receiving end includes conductor 6 and conductive metal dish 4, conductor 6 sets up and is connected with train powered device at 8 tops of automobile body, conductive metal dish 4 sets to circularly, conductive metal dish 4 is located conductor 6 upper ends, forms the electrically conductive route with contact net 7 in plasma region 10 simultaneously and then realizes wireless power supply. The ionization assembly comprises a high-voltage ionizer 1, wherein the high-voltage ionizer 1 is composed of a positive electrode 11 and a negative electrode 12, and the positive electrode 11 and the negative electrode 12 are oppositely arranged and used for forming a strong electric field between the positive electrode 11 and the negative electrode 12 under the action of the strong electric field. The ionization component further comprises a high-voltage storage bottle 5, wherein the high-voltage storage bottle 5 is arranged inside the vehicle body 8 and is installed on the same side as the anode 11. The ionization assembly further comprises a fluid nozzle 3, the fluid nozzle 3 is arranged at the positive electrode 11 and used for spraying gas in the high-pressure storage bottle 5, and the fluid nozzle 3 faces the contact net 7, and a valve (not shown in the figure) is arranged between the fluid nozzle 3 and the high-pressure storage bottle 5.
The high-pressure storage bottle 5 stores easily ionized substances, the substances can be easily ionized gas, when a valve between the fluid nozzle 3 and the high-pressure storage bottle 5 is opened, the gas in the high-pressure storage bottle 5 can be sprayed out from the fluid nozzle 3, at the moment, a strong electric field is applied between the positive electrode 11 and the negative electrode 12, the sprayed gas can be ionized through ionization of the high-pressure ionizer 1, electrons on the outer layer of neutral particles in the gas are free from being bound by atomic nuclei and become free electrons, then the states of the substances can be regarded as uniform states consisting of two substances, namely positively charged atomic nuclei and negatively charged electrons, and the gas is changed into plasma due to the fact that positive charges and negative charges in the substances are equal and approximately neutral.
The electromagnetic restraint assembly comprises two electromagnetic restraints 2, the two electromagnetic restraints 2 are arranged on the outer side of the high-voltage ionizer 1 and used for restraining the movement of plasma on the periphery of the high-voltage ionizer 1 and forming a plasma region 10 between the positive electrode 11 and the negative electrode 12, and the restraint range of the electromagnetic restraints 2 is larger than the range of the plasma region 10; the confinement assembly further comprises a fan 9, the fan 9 is used for blowing escaping plasmas outside the plasma region 10, and the two fans 9 are the same as the electromagnetic confinement device 2 and are symmetrically arranged, so that the plasmas escaping from two directions can be blown away in time.
The overhead contact system 7 is arranged above the train body 8 along a steel rail, is a power supply transmission line for the train overhead erected on a railway line, and the overhead contact system 7 is required to ensure safe power supply under various meteorological factors and the maximum running speed and has good performances of wear resistance, corrosion resistance, small electric loss and the like.
The principle and the working mode of the utility model are as follows:
when some substances are heated to a high enough temperature or are subjected to a strong electric field, ionization phenomena can occur, outer layer electrons of neutral particles of the substances are free from atomic nucleus constraints and become free electrons, then the states of the substances can be regarded as uniform states consisting of two substances, namely positively charged atomic nucleus and negatively charged electron, and the plasma is formed because positive charges and negative charges in the substances are equal and approximately neutral, and has the conductive characteristic, high conductivity and can be restrained by a magnetic field.
The whole power supply device can be divided into two parts, namely a plasma generation process and a wireless power supply process. The plasma generation process comprises the following steps: a valve between a fluid nozzle 3 and a high-pressure storage bottle 5 is opened, gas in the high-pressure storage bottle 5 is released through the fluid nozzle 3 under the action of pressure, the released easily-ionized gas is ionized through a high-pressure ionizer 1 to form plasma under the action of a strong electric field, and the plasma is confined by an electromagnetic restraint device 2 to form a plasma region 10 between an anode 11 and a cathode 12, so that a power transmission channel is formed. The wireless power supply is realized by forming a conductive path in the plasma region 10 through the conductive metal disc and the contact network 7 and transmitting the conductive path to the train powered equipment through the conductor 6.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a train contactless traction power supply unit which characterized in that:
the power supply device comprises a train power receiving end, a train body (8) ionization assembly, a restraint assembly and a contact network (7);
the train power receiving end is arranged at the top of the train body (8);
the ionization component and the restraint component are arranged around the power receiving end of the train and are compounded into a compact structure, and the restraint component is arranged on the outer side of the ionization component;
the contact net (7) is arranged above the power receiving end of the train.
2. The contactless traction power supply device for the train according to claim 1, characterized in that:
the ionization assembly comprises a high-voltage ionizer (1), the high-voltage ionizer (1) is composed of a positive electrode (11) and a negative electrode (12), the positive electrode (11) and the negative electrode (12) are oppositely arranged, and a strong electric field is formed between the positive electrode (11) and the negative electrode (12).
3. The contactless traction power supply device for the train according to claim 2, characterized in that:
the ionization component further comprises a high-voltage storage bottle (5), wherein the high-voltage storage bottle (5) is arranged inside the vehicle body (8) and is located on the same side as the positive electrode (11).
4. The contactless traction power supply device for the train according to claim 1, characterized in that:
the ionization assembly further comprises a fluid nozzle (3), a valve is installed between the fluid nozzle (3) and the high-pressure storage bottle (5), and the fluid nozzle (3) is arranged at the positive electrode (11).
5. The contactless traction power supply device for the train according to claim 4, wherein:
the fluid nozzle (3) faces the contact net (7).
6. The contactless traction power supply device for the train according to claim 3, wherein:
the high-voltage storage bottle (5) is internally stored with easily ionized gas, and the easily ionized gas is ionized into plasma through the high-voltage ionizer (1) under the action of a strong electric field.
7. The contactless traction power supply device for the train according to claim 1, characterized in that:
the restraint assembly comprises an electromagnetic restraint device (2), and the electromagnetic restraint device (2) is arranged on the outer side of the high-voltage ionizer (1) and is used for restraining the movement of plasma to form a plasma region (10);
the restraint assembly further comprises a fan (9), and the fan (9) is arranged on the outer side of the electromagnetic restraint device (2).
8. The contactless traction power supply device for the train according to claim 7, wherein:
the plasma region (10) generates a power transmission channel, and the power receiving end of the train and the contact net (7) transmit power through the power transmission channel.
9. The contactless traction power supply device for the train according to claim 1, characterized in that:
the train power receiving end comprises a conductive metal disc (4) and a conductor (6), the conductor (6) is arranged on the top of the train body (8) and connected with train power receiving equipment, and the conductive metal disc (4) is located at the upper end of the conductor (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121745030.7U CN215971194U (en) | 2021-07-29 | 2021-07-29 | Train contactless traction power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121745030.7U CN215971194U (en) | 2021-07-29 | 2021-07-29 | Train contactless traction power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215971194U true CN215971194U (en) | 2022-03-08 |
Family
ID=80515224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121745030.7U Active CN215971194U (en) | 2021-07-29 | 2021-07-29 | Train contactless traction power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215971194U (en) |
-
2021
- 2021-07-29 CN CN202121745030.7U patent/CN215971194U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210201155U (en) | Structure for multi-tube recoil extinguishing of arc plasma | |
| CN109305061B (en) | Highway transportation system adopting contact net for power supply | |
| CN201017845Y (en) | Differential feeding media blocking discharging low-temperature plasma device | |
| CN215971194U (en) | Train contactless traction power supply device | |
| CN106098477A (en) | A kind of high-voltage DC contactor of band magnetic coil arc extinguishing | |
| CN202806405U (en) | Device realizing anti-disassembling, outage and alarming functions | |
| CN104752692A (en) | Preparation method for LiFePO4/C composite anode material | |
| CN207338256U (en) | A kind of high-voltage DC contactor | |
| CN204659481U (en) | A kind of built on stilts power rail hanging wire clamp device | |
| CN107317227A (en) | A kind of high-tension switch cabinet and its processing technology | |
| CN201951278U (en) | All-subsection shunt-wound power supply system for contact net of electrified railway traction power supply system | |
| CN206742143U (en) | A kind of device of reduction contact bounce for vacuum circuit breaker | |
| CN109733253A (en) | Utilize the system and method that can present inverter and solve the problems, such as rail potential | |
| CN202759156U (en) | Novel line arrester for electric power line | |
| CN114171236A (en) | Driving electrode for direct current gas insulated transmission pipeline (GIL) | |
| CN204155853U (en) | A kind of anticollision high-voltage DC contactor | |
| CN203983729U (en) | A kind of gas spark switch | |
| CN209487397U (en) | A kind of vacuum interrupter with heat sinking function | |
| CN208589313U (en) | A kind of brake resistor for frequency converter case is dielectrically separated from equipment | |
| CN208907010U (en) | It is a kind of to accelerate the control circuit and elevator with the circuit that elevator brake closes a floodgate | |
| CN106783411A (en) | A kind of D.C. contactor | |
| CN206059911U (en) | A kind of anion generator | |
| CN206340492U (en) | A kind of high-voltage DC contactor | |
| CN106898953B (en) | A kind of Moisture-proof switch cabinet of no operating barrier | |
| CN215343905U (en) | Discharge protection device based on high-voltage line operation equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |