WO2019153720A1

WO2019153720A1 - Hybrid railway vehicle

Info

Publication number: WO2019153720A1
Application number: PCT/CN2018/102643
Authority: WO
Inventors: 周安德; 吕志龙; 王永; 付亚娥
Original assignee: 中车株洲电力机车有限公司
Priority date: 2018-02-08
Filing date: 2018-08-28
Publication date: 2019-08-15
Also published as: CN108340933B; MY180167A; CN108340933A; DE112018006573T5; DE112018006573B4

Abstract

A hybrid railway vehicle, comprising a vehicle body (1), an internal combustion generator set (2) and an ultracapacitor module (3) for providing hybrid power for the railway vehicle, a rectifier (4), and a converter (5). The internal combustion generator set (2), the ultracapacitor (3), the rectifier (4), and the converter (5) are all disposed at the bottom of a floor (11) of the vehicle body (1). At least one ventilation device (6) is provided in the vehicle body (1). The ultracapacitor module (3) is provided with air inlets (31) the number of which is equal to the number of ventilation devices (6), and the air inlet (31) is in communication with the ventilation device (6). During equipment overhaul and maintenance, maintenance personnel do not need to climb high, climb auxiliary equipment is not needed, and the maintenance personnel can directly go below the vehicle body for maintenance, thereby facilitating maintenance of the power equipment, improving the maintenance efficiency, and reducing the maintenance costs. Moreover, the ventilation device provides good ventilation and heat dissipation for the ultracapacitor module (3).

Description

Hybrid railway vehicle

The present application claims priority to Chinese Patent Application No. 20110112829 9.7, the entire disclosure of which is hereby incorporated by reference.

Technical field

The present invention relates to the field of traffic vehicle technology, and more particularly to a hybrid rail vehicle.

Background technique

A hybrid rail vehicle refers to a vehicle having two or more power sources. The power source of a hybrid vehicle generally includes an internal combustion engine, a catenary, or a battery pack.

In the prior art, the power combination form of the hybrid vehicle generally includes a combination drive of a contact net and a battery energy storage device, a combined drive of a contact net and an internal combustion engine, or a combined drive of an internal combustion engine and a battery energy storage device, and an internal combustion engine that is mixed with an internal combustion engine and a battery. Groups, high cost, high maintenance costs, have not been used in large quantities. In order to make the initial power supply of the vehicle more complete, the present application proposes a new power source combination form, that is, a combined drive of an internal combustion engine and a super capacitor energy storage device.

In the prior art, in order to make the power equipment have better ventilation and heat dissipation effect, part of the power equipment of the traction vehicle is usually disposed in the roof and the vehicle, and the temperature-sensitive super capacitor energy storage device is installed on the roof. Since the vehicle driven by the combination of the internal combustion engine and the supercapacitor energy storage device has more power equipment, it needs frequent maintenance and repair. If the power supply equipment is installed on the roof of the vehicle in the prior art, the maintenance and repair work of the equipment will be performed. It brings a lot of inconvenience and increases the maintenance cost.

In summary, how to provide a hybrid railway vehicle that is convenient for maintenance and maintenance of power equipment is a problem that needs to be solved by those skilled in the art.

Summary of the invention

In view of the above, an object of the present invention is to provide a hybrid railway vehicle whose power source adopts a hybrid power of an internal combustion engine plus a super capacitor energy storage device, and the power equipment is convenient for maintenance and maintenance, thereby improving maintenance of the power equipment. Efficiency, saving maintenance costs of power equipment.

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

A hybrid railway vehicle includes a vehicle body, an internal combustion generator set and a super capacitor module, a rectifier and a converter for providing hybrid power to the rail vehicle, the internal combustion generator set, the super capacitor module, and the The rectifier and the converter are both disposed at the bottom of the floor of the vehicle body; the interior of the vehicle body is provided with at least one ventilation device, and the super capacitor is provided with the same number of air inlets as the ventilation device, The air inlet is connected to the ventilation device.

Preferably, the ventilation device is disposed on a floor below the passenger compartment seat of the vehicle body, and communicates with the air inlet through a ventilation flange extending through the floor, the ventilation flange is used for connecting The upper flange of the ventilating device has a predetermined mounting distance from the upper surface of the floor.

Preferably, the ventilation device comprises a ventilation frame connected to the upper flange, the outer periphery of the ventilation frame is provided with a filter element for filtering impurities in the air flow, and the ventilation device further comprises a filter element for shielding the filter element. a shield that is fixed to the top of the ventilation frame and has a predetermined gap from the top of the filter element to the bottom of the filter element with a predetermined gap of the outer periphery of the filter element.

Preferably, the ventilation device further comprises a protective fence for blocking a gap between the ventilation device and the floor, the protective fence is provided with a ventilation hole for ventilation, and the aperture of the ventilation hole is larger than The filter aperture of the filter element.

Preferably, the top periphery of the protective fence is riveted with a nut, and the outer periphery of the bottom of the shield is provided with a mounting hole through which the bolt for connecting the protective fence and the shield passes through the mounting hole and the nut Match the connection.

Preferably, the end of the air inlet is sleeved with an elastic sealing ring to make the air inlet sealingly connected with the lower flange of the ventilation flange.

Preferably, the outer peripheral portion of the lower flange is provided with a baffle for protecting the elastic sealing ring, and the baffle protrudes downward from a lower surface of the lower flange.

Preferably, the two side sills in the longitudinal direction of the vehicle body are provided with a first aligning device for aligning the super capacitors, and the main body of the super capacitor is provided with the first A pair of positive devices cooperate with the positioned second alignment device.

Preferably, the first alignment device includes a first lifting lug disposed on the side sill and a positioning rod vertically disposed in the first lifting lug; the second positioning device is disposed on the main The outer wall of the box is used for engaging the second lifting lug of the positioning rod.

The hybrid rail vehicle provided by the present invention, since the internal combustion generator set, the super capacitor, the rectifier and the converter are all disposed at the bottom of the floor of the vehicle body, maintenance personnel are not required to climb and climb when the equipment is inspected and maintained, and There is no need to climb the auxiliary equipment, and the maintenance personnel can directly enter the bottom of the vehicle body for maintenance, which makes the maintenance of some power equipment extremely convenient. Therefore, the maintenance time can be saved, the maintenance efficiency can be improved, and the maintenance cost can be reduced. At the same time, the present application solves the problem of ventilation of the super capacitor by providing a ventilation device inside the vehicle body to communicate with the super capacitor. That is to say, the present application ensures the ventilation and heat dissipation of the super capacitor while ensuring convenient maintenance and repair of some power equipment. Therefore, it is difficult to solve the problem of equipment maintenance and repair while ensuring the normal operation of the super capacitor.

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 embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is an embodiment of the present invention, and those skilled in the art can obtain other drawings according to the provided drawings without any creative work.

1 is a schematic structural view of a specific embodiment of a hybrid rail vehicle according to the present invention;

2 is a first partial structural schematic view of a specific embodiment of a hybrid rail vehicle according to the present invention;

3 is a schematic view showing a second partial structure of a specific embodiment of the present invention;

4 is a schematic structural view of a ventilation device according to a specific embodiment of the present invention;

Figure 5 is a schematic structural view of a vehicle body floor according to a specific embodiment of the present invention;

6 is a schematic structural diagram of a super capacitor according to a specific embodiment of the present invention;

FIG. 7 is a schematic structural view of a ventilation device connected to a super capacitor according to a specific embodiment of the present invention.

The reference numerals in Figures 1 to 7 are as follows:

1 is the car body, 11 is the floor, 12 is the side beam, 2 is the internal combustion generator set, 3 is the super capacitor, 31 is the air inlet, 32 is the main box, 4 is the rectifier, 5 is the converter, 6 is the ventilation device 61 is a filter element, 62 is a protective cover, 63 is a mounting hole, 64 is a protective fence, 7 is a passenger compartment seat, 8 is a ventilation flange, 81 is an upper flange, and 82 is a lower flange.

Detailed ways

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

The core of the invention is to provide a hybrid railway vehicle whose power equipment is easy to be repaired and maintained, thereby improving the maintenance efficiency of the power equipment and saving the maintenance cost of the power equipment.

Please refer to FIG. 1 to FIG. 7. FIG. 1 is a schematic structural view of a hybrid rail vehicle according to the present invention; FIG. 2 is a first partial structural diagram of a vehicle provided by the present invention; 4 is a schematic structural view of a ventilation device provided by the present invention; FIG. 5 is a schematic structural view of a vehicle body floor provided by the present invention; FIG. 6 is a schematic structural view of a super capacitor provided by the present invention; Provides a schematic diagram of the connection between the ventilation device and the super capacitor.

The hybrid rail vehicle provided by the present application comprises a vehicle body 1, an internal combustion generator set 2 and a super capacitor module 3 for supplying a hybrid vehicle, a rectifier 4 and a converter 5, an internal combustion generator set 2, and a super capacitor. 3. The rectifier 4 and the converter 5 are both disposed at the bottom of the floor 11 of the vehicle body 1; the interior of the vehicle body 1 is provided with at least one ventilation device 6, and the super capacitor 3 is provided with the same number of air inlets 31 as the ventilation device. The tuyere 31 is in communication with the ventilating device 6.

It should be noted that the hybrid rail vehicle provided by the present application is mainly used to solve the problem of inconvenient maintenance of the power equipment in the prior art. To this end, the present application will provide an internal combustion generator set 2, a super capacitor 3, a rectifier 4, and a converter. 5 are disposed at the bottom of the floor 11 of the vehicle body 1. With this setting method, when the equipment is overhauled and maintained, maintenance personnel are not required to climb up, and there is no need to climb the auxiliary equipment. The maintenance personnel can directly enter the bottom of the vehicle body 1 for maintenance, and the maintenance is extremely convenient.

It should be noted that the hybrid rail vehicle provided by the present application does not specifically limit the number of the vehicle body 1. The number of the vehicle body 1 may be one or at least two, and when the number of the vehicle body 1 is at least two. At this time, all of the vehicle bodies 1 can be grouped, and the internal combustion engine set 2, the super capacitor 3, the rectifier 4, and the current transformer 5 can be disposed at the bottom of the floor 11 of the car body 1 of different groups as needed.

Considering the problem of ventilation and heat dissipation when the super capacitor 3 is disposed at the bottom of the floor 11, the present application is provided with a ventilation device 6 inside the vehicle body 1, that is, the present application uses the ventilation device 6 as the super capacitor 3 inside the vehicle body 1. The heat dissipation source, the cold air inside the vehicle body 1 is introduced into the super capacitor 3 through the air inlet 31, so that the super capacitor 3 maintains the temperature required for its operation, and the super capacitor 3 cannot be prevented from growing due to the increase in working time. normal work.

It can be understood that the number of the ventilation devices 6 is the same as the number of the air inlets 31, and the ventilation device 6 corresponds to the air inlets 31 one by one when installed. The more the number of the air inlet 31 and the ventilation device 6, the larger the cooling air volume, the designer can determine the air inlet 31 and the ventilation device 6 according to the combined cooling air volume required for the super capacitor 3, taking into consideration the noise and the temperature inside the vehicle. quantity. Preferably, the number of the air inlets 31 is six, and the six air inlets 31 are divided into two rows and are evenly arranged on opposite sides of the super capacitor 3 in a direction parallel to the side beam 12 of the vehicle body 1.

It should be noted that the ventilation device 6 may be disposed inside the passenger compartment, and a wind tunnel is disposed on the side wall of the vehicle body 1 and the wind is introduced by the side wall or the top. The ventilation means 6 can also be arranged in a non-passenger area or in a relatively spacious space. The specific setting position of the ventilation device 6 can be designed according to actual needs.

In summary, the hybrid railway vehicle provided by the present application, since the internal combustion generator set 2, the super capacitor 3, the rectifier 4 and the converter 5 are all disposed at the bottom of the floor 11 of the vehicle body 1, therefore, the equipment is overhauled and maintained. When maintenance personnel are not required to climb and climb, and there is no need to climb the auxiliary equipment, the maintenance personnel can directly enter the bottom of the vehicle body for maintenance, which makes the maintenance of some power equipment extremely convenient, thereby saving maintenance time and improving maintenance efficiency, thereby reducing Maintenance costs. At the same time, the present application solves the problem of ventilation and heat dissipation of the super capacitor 3 by providing a ventilation device 6 inside the vehicle body 1 to communicate with the super capacitor 3. That is to say, the present application ensures the ventilation and heat dissipation of the super capacitor 3 while making the maintenance and maintenance of some power equipments convenient. Therefore, the problem that the equipment maintenance and maintenance is difficult is solved while ensuring the normal operation of the super capacitor 3.

In order to make reasonable use of the space inside the passenger compartment, on the basis of the above embodiment, the ventilation device 6 is disposed on the floor 11 below the passenger compartment seat 7 of the vehicle body 1, and passes through the ventilation flange 8 and the air inlet opening through the floor panel 11. The 31 is connected, and the upper flange 81 of the ventilating flange 8 for connecting the ventilating device 6 has a predetermined mounting distance from the upper surface of the floor panel 11.

It can be understood that the ventilation device 6 is disposed on the floor 11 below the passenger compartment seat 7 of the vehicle body 1, not only can save the space inside the passenger compartment, reduce the influence of the ventilation device 6 on the passengers, but also can provide the rear passenger feet. Stepping to enhance customer comfort.

In addition, the floor 11 is provided with a through hole extending through the thickness thereof, and the ventilation flange 8 is sleeved in the through hole and extends toward both ends in the thickness direction of the floor 11, and the upper flange 81 of the ventilation flange 8 is used for The ventilation device 6 is fixedly connected. In order to meet the space requirement of the waterproof and bolt installation, the flange surface of the upper flange 81 and the upper surface of the floor panel 11 have a preset installation distance, and the specific value of the preset installation distance is set according to actual needs. In order to ensure the smoothness of the air supply of the ventilation device 6, in order to ensure the verticality of the ventilation device 6 and the floor 11, the flange surface of the upper flange 81 is a plane connection surface, the bottom of the ventilation device 6 and the flange of the upper flange 81. Face-to-face connection.

In view of the simplicity and ease of realization of the specific structure of the ventilation device 6, on the basis of the above embodiment, the ventilation device 6 includes a ventilation frame connected to the upper flange 81, and the outer periphery of the ventilation frame is provided for filtering impurities in the airflow. The filter element 61, the venting device 6 further includes a shield 62 for protecting the filter element 61. The shield 62 is fixed to the top of the ventilating frame and has a predetermined gap from the top of the filter element 61 to the outer periphery of the filter element 61. The bottom of the filter element 61.

It should be noted that the filter element 61 is mainly used for filtering minute impurities in the air flow, and the aperture and density of the filter element 61 filter screen are set according to actual conditions.

The protective cover 62 is fixed to the top of the ventilation frame by bolts. The specific shape of the protective cover 62 is not limited herein. The protective cover 62 may be a cylindrical protective cover, or a rectangular protective cover, or a hemispherical protective cover, or a conical shape. safety mask. Preferably, the protective cover 62 in the present embodiment is a trapezoidal table-shaped protective cover. The inner peripheral portion of the trapezoidal-shaped protective cover surrounds the outer peripheral portion of the filter element 61, and the inner peripheral portion of the trapezoidal-shaped protective cover and the outer peripheral portion of the filter element 61 There is a preset gap between them.

It can be understood that the preset gap between the inner peripheral portion of the shield 62 and the outer peripheral portion of the filter element 61 is used for ventilation, so that the cold air in the room enters the filter element 61 from the preset gap, thereby entering the super capacitor 3 Tuyere 31. The larger the preset gap is, the larger the ventilation amount is. However, the larger the preset gap is, the larger the occupied space of the ventilation device 6 is. Therefore, the designer can set according to the actual situation.

As can be seen from the above, in order to facilitate the installation, the bottom of the shield 62 has a certain gap with the upper surface of the floor panel 11 for the installation of the ventilation frame and the upper flange 81. Therefore, in order to reduce the noise inside the super capacitor to be transmitted to the interior of the passenger compartment, At the same time, the ventilation effect is ensured. On the basis of the above embodiment, the ventilation device 6 further comprises a protection fence 64 for blocking the gap between the ventilation device 6 and the floor 11, and the protection fence 64 is provided with ventilation holes for ventilation. The aperture of the venting opening is larger than the aperture of the filter element of the filter element 61.

During operation, the airflow enters the interior of the protective fence 64 from the venting opening, and enters a predetermined gap between the protective cover 62 and the filter element 61 through a reversing direction, and then the airflow is re-routed from the preset gap along the diameter of the filter element 61. Into the filter element 61, and three commutations down into the air inlet 31 of the supercapacitor 3, this arrangement achieves three turns of the airflow, thereby reducing noise transmission. Preferably, a sound absorbing material is affixed inside the shield 62 to further reduce noise.

It can be understood that, in order to prevent large particle impurities from clogging the filter mesh of the filter element 61, the aperture of the vent hole is larger than the filter aperture of the filter element 61, so that the vent hole blocks the impurities of larger particles such as garbage thrown by the passenger at the protective fence 64. The outside is to avoid clogging the filter element 61.

Further, in consideration of the simple and easy realization of the specific connection manner of the protective fence 64 and the shield 62, on the basis of the above embodiment, the outer periphery of the protective fence 64 is riveted with a nut, and the outer periphery of the bottom of the shield 62 is installed. A hole 63, a bolt for connecting the guard fence 64 and the shield 62 is fitted to the nut through the mounting hole 63.

At the time of installation, the outer periphery of the top of the guard fence 64 is inserted into the inner side of the outer periphery of the bottom of the shield 62, the nut is aligned with the mounting hole 63, and the bolt fitted with the nut is screwed into the thread of the nut through the mounting hole 63. The number of nuts is the same as the number of the mounting holes 63, and the distribution of the nuts on the outer circumference of the top of the guard fence 64 is the same as the distribution of the mounting holes 63 on the outer circumference of the bottom of the shield 62, thereby ensuring that the nut and the mounting hole 63 can be assembled one by one during installation. correspond.

In view of the sealing problem of the connection of the air inlet 31 and the ventilation flange 8, on the basis of the above embodiment, the end of the air inlet 31 is provided with an elastic sealing ring so that the air inlet 31 and the ventilation flange 8 are under The flange 82 is sealingly connected.

That is to say, after installation, the lower flange 82 of the ventilation flange 8 is surface-attached and pressed against the elastic sealing ring, and the elastic sealing ring exerts a reaction force on the surface of the lower flange 82 under the action of its elastic restoring force, thereby The close contact of the elastic sealing ring with the surface of the lower flange 82 can be achieved, and the sealing connection between the air inlet 31 and the ventilation flange 8 is ensured.

In order to increase the service life of the elastic sealing ring, on the basis of the above embodiment, the outer peripheral portion of the lower flange 82 is provided with a baffle for protecting the elastic sealing ring, and the lower surface of the baffle protruding lower flange 82 extends downward. .

That is to say, the outer diameter of the lower flange 82 is larger than the outer diameter of the air inlet 31, on the one hand, the assembly error can be offset, and on the other hand, after the air inlet 31 is sleeved with the elastic sealing ring, the baffle can be surrounded by the elastic seal. The outer circumference of the ring acts as a good protective elastic seal.

Considering the convenience of the installation of the super capacitor 3, on the basis of any of the above embodiments, the two side rails 12 opposite to each other in the longitudinal direction of the vehicle body 1 are provided with the first alignment for mounting the super capacitor 3. For the alignment device, the main housing 32 of the super capacitor 3 is provided with a second alignment device that is positioned in cooperation with the first alignment device.

That is to say, when the super capacitor 3 is mounted, the second alignment device is firstly engaged with the first alignment device, and then the super capacitor 3 is fixed to the vehicle body 1. Specifically, the side beam 12 of the vehicle body 1 is a C-shaped groove structure, and the mounting position of the first alignment device corresponding to the super capacitor 3 is fixed on the C-shaped groove structure.

In view of the simple and easy implementation of the specific structure of the first alignment device and the second alignment device, on the basis of the above embodiment, the first alignment device includes the first lifting lug and the vertical wearing provided on the side beam 12. a positioning rod disposed in the first lifting lug; the second positioning device is a second lifting lug disposed on the outer wall of the main housing 32 for engaging the positioning rod.

That is to say, when the second lifting lug of the super capacitor 3 is aligned with the axis of the positioning rod, that is, when the second lifting lug is inserted into the positioning rod, the super capacitor 3 reaches the correct mounting position. At the time, the super capacitor 3 can be fixed to the vehicle body 1 by bolts.

The various embodiments in the present specification are described in a progressive manner, and each embodiment focuses on differences from other embodiments, and the same similar parts between the various embodiments may be referred to each other.

The hybrid railway vehicle provided by the present invention has been described in detail above. The principles and embodiments of the present invention have been described herein with reference to specific examples, and the description of the above embodiments is only to assist in understanding the method of the present invention and its core idea. It should be noted that those skilled in the art can make various modifications and changes to the present invention without departing from the spirit and scope of the invention.

Claims

A hybrid railway vehicle characterized by comprising a vehicle body (1), an internal combustion generator set (2) for providing hybrid power to the rail vehicle, a super capacitor module (3), a rectifier (4) and a current transformer (5) The internal combustion generator set (2), the super capacitor module (3), the rectifier (4), and the current transformer (5) are both disposed on a floor of the vehicle body (1) The bottom of the vehicle body (1) is provided with at least one ventilation device (6), and the super capacitor module (3) is provided with the same number of air inlets (31) as the ventilation device. The air inlet (31) is in communication with the ventilation device (6).
A hybrid rail vehicle according to claim 1, characterized in that said ventilation means (6) are arranged on the floor (11) below the passenger compartment seat (7) of said vehicle body (1) and passed through a ventilation flange (8) of the floor (11) is in communication with the air inlet (31), and the upper flange (81) of the ventilation flange (8) is connected to the ventilation device (6) A predetermined mounting distance is provided with the upper surface of the floor (11).
The hybrid rail vehicle according to claim 2, wherein said ventilation means (6) comprises a ventilation frame connected to said upper flange (81), said outer periphery of said ventilation frame being provided for filtering airflow a filter element (61) for impurities therein, the ventilation device (6) further comprising a shield (62) for protecting the filter element (61), the shield (62) being fixed to the top of the ventilation frame, And extending from the top of the filter element (61) to the bottom of the filter element (61) with a predetermined gap from the outer peripheral portion of the filter element (61).
A hybrid rail vehicle according to claim 3, characterized in that said ventilation means (6) further comprises a protective fence for blocking a gap between said ventilation means (6) and said floor (11) (64) The protective fence (64) is provided with a ventilation hole for ventilation, and the aperture of the ventilation hole is larger than the filter aperture of the filter element (61).
The hybrid rail vehicle according to claim 4, characterized in that the top periphery of the protective fence (64) is riveted with a nut, and the outer periphery of the bottom of the shield (62) is provided with a mounting hole (63) for A bolt connecting the guard fence (64) and the shield (62) is mated with the nut through the mounting hole (63).
The hybrid rail vehicle according to claim 2, characterized in that the end of the air inlet (31) is sleeved with an elastic sealing ring to make the air inlet (31) and the ventilation flange (8) The lower flange (82) is sealed.
The hybrid rail vehicle according to claim 6, wherein a peripheral portion of the lower flange (82) is provided with a baffle for protecting the elastic sealing ring, and the baffle protrudes from the lower method. The lower surface of the blue (82) extends downward.
The hybrid rail vehicle according to any one of claims 1 to 7, characterized in that the two side beams (12) opposite to each other in the longitudinal direction of the vehicle body (1) are provided with the super capacitor module. (3) A first alignment device that is aligned during installation, and a second alignment device that is positioned in cooperation with the first alignment device is disposed on the main housing (32) of the super capacitor module (3).
The hybrid rail vehicle according to claim 8, wherein the first alignment device comprises a first lifting lug disposed on the side sill (12) and vertically disposed in the first lifting lug a positioning rod; the second positioning device is a second lifting lug disposed on an outer wall of the main casing (32) for engaging with the positioning rod.