阅读说明：本技术 一种大功率无线供电装置及轨道交通车 (High-power wireless power supply device and rail transit vehicle ) 是由 许倍倍 刘华东 康国良 张文辉 周阳 于 2019-10-23 设计创作，主要内容包括：本发明公开了一种大功率无线供电装置及轨道交通车,大功率无线供电装置包括：安装盒,安装盒能够安装在轨道交通车的车底；发射器,安装在地面上；耦合机构,耦合机构安装在安装盒内,用于接收发射器通过磁场传递的能量；谐振电容,谐振电容安装在安装盒内,与耦合机构电连接；变流模块,变流模块安装在安装盒内,与谐振电容电连接；连接器组件,连接器组件安装在安装盒的外侧壁上；散热组件,散热组件安装在安装盒内,用于安装盒内各部件的通风散热。本发明采用无线的方式传递能量,避免了架设电网,从而降低了轨道交通车的供电安全隐患。此外,本发明还设置有散热组件,对安装盒内各部件通风散热,实现了大功率无线供电装置的安全供电。(The invention discloses a high-power wireless power supply device and a rail transit vehicle, wherein the high-power wireless power supply device comprises: the mounting box can be mounted at the bottom of the rail transit vehicle; a transmitter installed on the ground; the coupling mechanism is arranged in the mounting box and used for receiving the energy transmitted by the transmitter through the magnetic field; the resonance capacitor is arranged in the mounting box and is electrically connected with the coupling mechanism; the current transformation module is arranged in the mounting box and is electrically connected with the resonant capacitor; the connector assembly is mounted on the outer side wall of the mounting box; and the heat dissipation assembly is arranged in the mounting box and used for ventilating and dissipating heat of all parts in the mounting box. The invention adopts a wireless mode to transfer energy, avoids erecting a power grid, and reduces the potential safety hazard of power supply of the rail transit vehicle. In addition, the invention is also provided with a heat dissipation assembly for ventilating and dissipating heat of each component in the mounting box, thereby realizing safe power supply of the high-power wireless power supply device.)

1. The utility model provides a high-power wireless power supply unit for rail transit car which characterized in that includes:

the mounting box can be mounted at the bottom of the rail transit vehicle;

a transmitter installed on the ground;

the coupling mechanism is arranged in the mounting box and is used for receiving the energy transmitted by the transmitter through a magnetic field;

the resonant capacitor is arranged in the mounting box and is electrically connected with the coupling mechanism;

the current transformation module is arranged in the mounting box and is electrically connected with the resonance capacitor;

a connector assembly mounted on an outer sidewall of the mounting box;

and the heat dissipation assembly is arranged in the mounting box and is used for ventilating and dissipating heat of all parts in the mounting box.

2. The high-power wireless power supply device according to claim 1, wherein the heat dissipation assembly comprises a fan, a first air duct partition plate, a second air duct partition plate and a third air duct partition plate;

an air inlet is formed in the front side wall of the mounting box, the front side wall is close to a non-induction area in the mounting box, the first air duct partition plate is mounted in the non-induction area, the fan, the resonance capacitor and the current conversion module are mounted on the first air duct partition plate, and the second air duct partition plate surrounds the fan;

the coupling mechanism is installed in the induction zone in the mounting box, the third air duct partition plate is arranged above the coupling mechanism, the air outlet of the fan is communicated with the channel below the third air duct partition plate, and the rear side wall of the mounting box is provided with an air outlet communicated with the channel below.

3. The high power wireless power supply of claim 2, wherein said heat sink assembly further comprises a filter;

the filter is mounted to the air inlet.

4. The high-power wireless power supply device according to claim 2, further comprising an air outlet assembly;

the air outlet assembly is arranged at the air outlet and used for guiding.

5. The high power wireless power supply device according to claim 2, further comprising a fuse;

the fuse is installed on the first air duct partition plate, and the resonance capacitor is electrically connected with the current transformation module through the fuse.

6. The high power wireless power supply of claim 1, further comprising a terminal strip;

the terminal block is mounted on an outer side wall of the mounting box, close to the connector assembly.

7. The high power wireless power supply of claim 1, further comprising a ground terminal;

the grounding terminal is installed on the outer side wall of the installation box.

8. The high power wireless power supply device according to claim 1, further comprising a lifting lug;

the lifting lugs are arranged on two sides of the mounting box.

9. The high-power wireless power supply device according to any one of claims 1 to 8, wherein the mounting box comprises a box body and a box cover;

the box cover and the box body are detachably connected.

10. A rail transit vehicle comprising a high power wireless power supply as claimed in any one of claims 1 to 9.

Technical Field

The invention relates to the technical field of rail transit current transformation, in particular to a high-power wireless power supply device and a rail transit vehicle.

Background

At present, rail transit vehicles, including high-speed railways, motor cars, subways, urban trams and the like, have the advantages of transportation capacity, punctuality, speed-up property, high comfort, high safety, energy conservation, environmental protection and the like, and are widely applied.

The rail transit vehicle electric traction system comprises a pantograph, a transformer, a converter, a motor and the like, and the basic working principle is as follows: the pantograph gets electricity from a power grid, high-voltage direct current of the power grid is reduced through the transformer, the direct current output by the transformer is inverted into three-phase alternating current through the converter, and the three-phase alternating current output by the converter is used for driving the motor to work. Due to the high voltage of the electrical network, the electrical network is usually erected above the rail transit vehicle and is kept at a certain safe distance from the vehicle body. The power grid exposed above the rail transit vehicle not only occupies extra ground space, but also has hidden danger in safety.

Therefore, how to reduce the power supply potential safety hazard of the rail transit vehicle is a problem to be solved urgently by the technical personnel in the field at present.

Disclosure of Invention

In view of the above, a first object of the present invention is to provide a high-power wireless power supply device, which can reduce the power supply potential safety hazard of a rail transit vehicle.

The second purpose of the invention is to provide a rail transit vehicle.

In order to achieve the first object, the present invention provides the following solutions:

a high-power wireless power supply device for a rail transit vehicle, the high-power wireless power supply device comprising:

the mounting box can be mounted at the bottom of the rail transit vehicle;

a transmitter installed on the ground;

the coupling mechanism is arranged in the mounting box and is used for receiving the energy transmitted by the transmitter through a magnetic field;

the resonant capacitor is arranged in the mounting box and is electrically connected with the coupling mechanism;

the current transformation module is arranged in the mounting box and is electrically connected with the resonance capacitor;

a connector assembly mounted on an outer sidewall of the mounting box;

and the heat dissipation assembly is arranged in the mounting box and is used for ventilating and dissipating heat of all parts in the mounting box.

In a specific embodiment, the heat dissipation assembly comprises a fan, a first air duct partition plate, a second air duct partition plate and a third air duct partition plate;

an air inlet is formed in the front side wall of the mounting box, the front side wall is close to a non-induction area in the mounting box, the first air duct partition plate is mounted in the non-induction area, the fan, the resonance capacitor and the current conversion module are mounted on the first air duct partition plate, and the second air duct partition plate surrounds the fan;

the coupling mechanism is installed in the induction zone in the mounting box, the third air duct partition plate is arranged above the coupling mechanism, the air outlet of the fan is communicated with the channel below the third air duct partition plate, and the rear side wall of the mounting box is provided with an air outlet communicated with the channel below.

In another specific embodiment, the heat dissipation assembly further comprises a filter;

the filter is mounted to the air inlet.

In another specific embodiment, the high-power wireless power supply device further comprises an air outlet assembly;

the air outlet assembly is arranged at the air outlet and used for guiding.

In another specific embodiment, the high power wireless power supply further comprises a fuse;

the fuse is installed on the first air duct partition plate, and the resonance capacitor is electrically connected with the current transformation module through the fuse.

In another specific embodiment, the high power wireless power supply further comprises a terminal strip;

the terminal block is mounted on an outer side wall of the mounting box, close to the connector assembly.

In another specific embodiment, the high power wireless power supply further comprises a ground terminal;

the grounding terminal is installed on the outer side wall of the installation box.

In another specific embodiment, the high-power wireless power supply device further comprises a lifting lug;

the lifting lugs are arranged on two sides of the mounting box.

In another specific embodiment, the mounting box comprises a box body and a box cover;

the box cover and the box body are detachably connected.

The various embodiments according to the invention can be combined as desired, and the embodiments obtained after these combinations are also within the scope of the invention and are part of the specific embodiments of the invention.

Without being limited to any theory, it can be seen from the above disclosure that, when the high-power wireless power supply device provided by the invention is used, the mounting box can be mounted at the bottom of the rail transit vehicle; the coupling mechanism receives energy emitted by the emitter and transmits the energy to the resonant capacitor, and then the converter module converts the energy transmitted by the resonant capacitor and transmits the energy to the connector assembly to supply power to the whole vehicle. The invention adopts a wireless mode to transfer energy, avoids erecting a power grid, and reduces the potential safety hazard of power supply of the rail transit vehicle.

In addition, the invention is also provided with a heat dissipation assembly, the heat dissipation assembly is arranged in the installation box, and the heat dissipation assembly ventilates and dissipates heat of all parts in the installation box, thereby realizing the safe power supply of the high-power wireless power supply device.

In order to achieve the second object, the present invention provides the following solutions:

a rail transit vehicle comprises the high-power wireless power supply device.

Because the rail transit vehicle disclosed by the invention comprises the high-power wireless power supply device in any one of the above items, the high-power wireless power supply device has the beneficial effects that the rail transit vehicle disclosed by the invention comprises.

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, 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 three-dimensional structure diagram of a high-power wireless power supply device provided by the invention;

fig. 2 is a schematic partial structural diagram of a high-power wireless power supply device provided by the invention;

fig. 3 is an exploded schematic view of a high-power wireless power supply device provided by the invention;

fig. 4 is a schematic top view of the high-power wireless power supply device provided by the present invention;

fig. 5 is a schematic front view of a high-power wireless power supply device according to the present invention.

Wherein, in fig. 1-5:

the box body 1, the front side wall 101, the lower side wall 102, the ground terminal 103, the first air duct partition 104, the third air duct partition 105, the second air duct partition 106, the air outlet assembly 107, the box cover 2, the connector assembly 3, the lifting lug 4, the filter 5, the coupling mechanism 6, the fan 7, the resonant capacitor 8, the fuse 9, the converter module 10, the terminal row 11, the induction area 12, the non-induction area 13, and the heat dissipation air duct 14.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying fig. 1 to 5 and the detailed description.

Example one

The invention discloses a high-power wireless power supply device, wherein the high-power wireless power supply device is used for a rail transit vehicle and comprises a mounting box, a transmitter, a coupling mechanism 6, a resonant capacitor 8, a current transformation module 10, a connector component 3 and a heat dissipation component.

The mounting box can be mounted at the bottom of the rail transit vehicle, and correspondingly, the emitter is mounted on the ground and sends energy to the coupling mechanism 6 in the mounting box.

The coupling means 6 is mounted in the mounting box, in particular the coupling means 6 is mounted below the induction zone 12 in the mounting box for receiving energy transmitted by the transmitter via the magnetic field.

The resonant capacitor 8 is installed in the mounting box, specifically, the resonant capacitor 8 is arranged in a non-induction area 13 of the mounting box, and the resonant capacitor 8 is electrically connected with the coupling mechanism 6.

The converter module 10 is installed in the installation box, specifically, the converter module 10 is disposed in the non-induction area 13 of the installation box, and the converter module 10 is electrically connected to the resonant capacitor 8.

The connector assembly 3 is installed on the outer side wall of the mounting box, and the connector assembly 3 is used as an electrical interface of the high-power wireless power supply device and comprises a plurality of electrical connectors, such as a connector for direct current output, a connector for fan 7 power supply and sensor signal transmission, and the like.

The heat dissipation assembly is arranged in the mounting box and used for ventilating and dissipating heat of all components in the mounting box, and the heat dissipation assembly can be in any structural form capable of achieving heat dissipation of all components in the mounting box (including the emitter, the coupling mechanism 6, the resonance capacitor 8, the current transformation module 10 and the connector assembly 3).

When the high-power wireless power supply device provided by the invention is used, the mounting box can be mounted at the bottom of a rail transit vehicle; the coupling mechanism 6 receives the energy emitted by the emitter and transmits the energy to the resonant capacitor 8, and then the converter module 10 converts the energy transmitted by the resonant capacitor 8 and transmits the energy to the connector component 3 to supply power to the whole vehicle. The invention adopts a wireless mode to transfer energy, avoids erecting a power grid, and reduces the potential safety hazard of power supply of the rail transit vehicle.

In addition, the invention is also provided with a heat dissipation assembly, the heat dissipation assembly is arranged in the installation box, and the heat dissipation assembly ventilates and dissipates heat of all parts in the installation box, thereby realizing the safe power supply of the high-power wireless power supply device.

Example two

In the second embodiment provided by the present invention, the high-power wireless power supply apparatus in this embodiment is similar to the high-power wireless power supply apparatus in the first embodiment in structure, and the same parts are not repeated and only differences are introduced.

In the embodiment, the invention discloses that the heat dissipation assembly comprises a fan 7, a first air duct partition plate 104, a second air duct partition plate 106 and a third air duct partition plate 105.

An air inlet is formed in the front side wall 101 of the mounting box, the front side wall 101 is close to the non-induction area 13 in the mounting box, the first air duct partition plate 104 is installed on the lower layer of the non-induction area 13, the fan 7, the resonant capacitor 8 and the current transformation module 10 are installed on the first air duct partition plate 104, and the second air duct partition plate 106 is arranged around the fan 7. In particular, the fan 7 is located close to the coupling mechanism 6, in an intermediate position inside the mounting box.

The coupling mechanism 6 is arranged in the induction area 12 in the mounting box, the third air duct partition plate 105 is arranged above the coupling mechanism 6, the air outlet of the fan 7 is communicated with a channel below the third air duct partition plate 105, and an air outlet communicated with the channel below is formed in the rear side wall of the mounting box.

Furthermore, the invention discloses that the heat dissipation assembly further comprises a filter 5, wherein the filter 5 is arranged at the air inlet, and impurities such as particles are prevented from entering the installation box.

Further, the invention discloses a high-power wireless power supply device, which further comprises an air outlet assembly 107, wherein the air outlet assembly 107 is arranged at the air outlet and used for guiding. Specifically, the air outlet assembly 107 may be a welded diverging pipe.

Furthermore, the invention discloses a high-power wireless power supply device, which further comprises a fuse 9, wherein the fuse 9 is installed on the first air duct partition plate 104, and the resonant capacitor 8 is electrically connected with the converter module 10 through the fuse 9, so that the converter module 10 is prevented from being burnt due to overlarge voltage.

Furthermore, the invention discloses a high-power wireless power supply device, which further comprises a terminal strip 11, wherein the terminal strip 11 is arranged on the outer side wall of the mounting box and is close to the connector component 3, so that the fixing of wires is facilitated.

Further, the invention discloses a high-power wireless power supply device, which further comprises a grounding terminal 103, wherein the grounding terminal 103 is installed on the outer side wall of the mounting box and is used for providing grounding protection for the high-power wireless power supply device.

Further, the invention discloses a high-power wireless power supply device which further comprises lifting lugs 4, wherein the lifting lugs 4 are arranged on two sides of the mounting box and are convenient to hoist.

Furthermore, the invention discloses a mounting box which comprises a box body 1 and a box cover 2, wherein the box cover 2 is detachably connected with the box body 1. The box body 1 is enclosed by five side walls (a front side wall 101, a rear side wall, a left side wall, a right side wall and a lower side wall 102). The upper end face of the box body 1 is provided with a box cover 2, and the box cover 2 is detachably connected with the upper end face of the box body 1 through bolts arranged on the periphery.

Referring to fig. 5, the heat dissipation air duct 14 of the high-power wireless power supply device is formed by each side wall of the box body 1, and an area enclosed by the box cover 2, the filter 5, the first air duct partition 104, the fan 7, the second air duct partition 106, the coupling mechanism 6, the third air duct partition 105 and the air outlet assembly 107. Under the action of the fan 7, outside air firstly enters the lower layer of the non-induction area 13 from the filter screen to dissipate heat of the resonant capacitor 8, the fuse 9 and the current transformation module 10; then, air enters the upper part of the coupling mechanism 6 of the induction area 12 through the fan 7 to dissipate heat of the coupling mechanism 6; and finally the air flows out from the air outlet assembly 107.

EXAMPLE III

The invention provides a rail transit vehicle which comprises a high-power wireless power supply device in any one of the embodiments.

Since the rail transit vehicle disclosed by the invention comprises the high-power wireless power supply device in any one of the embodiments, the high-power wireless power supply device has the beneficial effects that the rail transit vehicle disclosed by the invention comprises.

In the description of the present invention, the terms defined in directions are only for convenience of description and simplicity of description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and inventive features disclosed herein.