CN210062974U - Charger for diesel multiple unit - Google Patents

Abstract

The utility model discloses an internal combustion EMUs machine that charges, the component base plate encloses into the cavity structure that the cross-section is the hexagon, and the component is installed on the internal surface of component base plate, the component of installation in the cavity structure that the component base plate encloses is same heat dissipation protection level, the side of the cavity structure that the component base plate encloses is connected with the inner wall of machine box that charges, and airtight seal between the inside wall of another side of cavity structure and chamber door, the output of air pump is connected with the breather pipe, the output of breather pipe concatenates corresponding component base plate in proper order from high to low according to heat dissipation protection level and encloses into the casing inner chamber, the air pump changes the air suction and exhaust direction in; the air pump sucks clean air through the filter screen and pumps the air into the cavity formed by the element substrates in sequence through the vent pipe, then the air pump changes the air suction and exhaust direction, the air in the cavity is pumped out and discharged through the filter screen, and the air suction and exhaust alternately enables all the elements to fully dissipate heat.

Description

Charger for diesel multiple unit

Technical Field

The utility model relates to a EMUs machine heat dissipation technical field that charges specifically is internal combustion EMUs machine that charges.

Background

The motor train unit is a type of train, and is a train consisting of at least two locomotives or powered cars and a plurality of unpowered cars. The motor train unit mainly solves the problems of insufficient acceleration and limited maximum speed, and the driving devices can be respectively arranged in a plurality of passenger carriages, so that the carriages become motor trains, while the locomotive can become a trailer which only has an operating platform but no driving force. According to the classification of the power fuel, the motor train units can be divided into three types, namely a diesel motor train unit, a gas wheel motor train unit and an electric motor train unit. The battery used on the motor train unit is lead-acid or nickel-cadmium. Batteries on internal combustion powered locomotives are used to start the engine and provide power to switching devices and air conditioners on the vehicle. On an electric train, the battery is used to power the pantograph device to connect the train to the overhead power line. In order to ensure the normal use of the battery, a charger must be used to charge the battery timely.

The charger is used for high-speed rails, motor cars, vehicles and related facilities for supplying power to the storage battery, and is important power supply equipment. The charger usually comprises a charging circuit such as an input circuit, a full-bridge inverter circuit, an output circuit, a control circuit and the like, and relates to a plurality of devices such as a rectifier bridge module, an input contactor, a filter, a current-limiting resistor, a discharging resistor, an input filter capacitor, an IGBT module, an IGBT absorption capacitor, a voltage and current sensor, a driving board, a main control board, a wiring terminal, a high-frequency transformer, an output filter inductor, a filter capacitor, an EMI filter and the like, because part of the devices cannot be placed in a humid environment to work, a closed cavity is usually needed by a shell to meet the requirement of high protection level, because part of the devices have heat dissipation requirements, a heat dissipation structure is usually needed to be designed, therefore, the existing charger structure is that a plurality of devices are arranged in a whole shell, a heat dissipation device is arranged on the back of the shell, the volume of the charger, because the casing of machine of charging is mostly the casing that high IP protection level required, especially is used for the machine of charging on the EMUs, because power is great, its is bulky, the weight is heavy, the heat dissipation is slow scheduling problem is more outstanding, causes the train operation energy consumption great, consequently, urgent need a new machine of charging structure to reach the volume and the weight that reduce the machine of charging, be favorable to radiating purpose.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an internal combustion EMUs machine that charges, including the machine box that charges, component substrate, chamber door and air pump, the positive edge of the machine box that charges articulates there is the chamber door, the machine box that charges with the chamber door constitutes sealed cavity structure, be provided with the component substrate of surface mounting component in the machine box that charges, and install in the machine box that charges and be used for right the air pump that carries out the air heat dissipation inside the machine box that charges, the filter screen is installed to the input of air pump, the component substrate encloses into the cross-section and is the cavity structure of hexagon, and the component mounting is on the internal surface of component substrate, the component of installing in the cavity structure that the component substrate encloses into is same heat dissipation protection level, the side of the cavity structure that the component substrate encloses into with the inner wall connection of the machine box that charges, and airtight seal, the output end of the air pump is connected with a vent pipe, the output end of the vent pipe is sequentially connected in series with the inner cavity of the shell surrounded by the corresponding element substrates according to the sequence of the heat dissipation protection grade from high to low, and the air pump alternately changes the air suction and exhaust directions.

Preferably, the inner cavity of the charger box body is connected with a middle partition board, the middle partition board divides the inner cavity of the charger box body into four independent cavities, cavity structures surrounded by element substrates are respectively arranged in the independent cavities separated by the middle partition board, through holes are respectively formed in the middle partition board between the independent cavity structures, and the element substrate corresponding to the element with the lowest heat dissipation protection level in the element substrate is connected with an air outlet pipe penetrating through the element substrate.

Preferably, heat-conducting fins are respectively connected between the outer wall of the element substrate and the inner wall and the middle partition plate of the charger box.

Preferably, the inner wall of machine box that charges is located the element substrate encloses into the center department fixedly connected with distribution block of cavity structure, and between the cavity structure connect the breather pipe the output with the inner chamber intercommunication of distribution block, the front of distribution block is rotated and is connected with the pivot, the pivot is cavity body of rod structure, and its outer wall is connected with helical blade, the gas pocket has been seted up according to the helix form to the outer wall that the pivot is located between the helical blade, and the opening orientation of gas pocket helical blade same side, the inner chamber of pivot with the inner chamber intercommunication of distribution block.

Preferably, the inner side surface of the box door is provided with a first sealing strip and a second sealing strip, when the box door and the charger box body are closed, the first sealing strip and the middle partition plate are hermetically sealed, the second sealing strip and the side wall of the element substrate are hermetically sealed, the inner wall of the box door is rotatably connected with a rotating shaft supporting lug corresponding to the end of the rotating shaft, the rotating shaft supporting lug is of a spherical convex structure, the end surface of the rotating shaft is provided with a spherical concave structure, and the end surface of the rotating shaft is in clamping matching with the rotating shaft supporting lug.

Preferably, the input end of the pipeline connected with the input end of the air pump is connected with an air exchange part, a transverse conical inner cavity is arranged in the air exchange part, and the expansion end of the conical inner cavity is opposite to the filter screen.

Preferably, an air pump is installed in a cavity structure arranged at the bottom of the charger box body, an input end of the air pump is electrically connected with an air pump control module, an input end of the air pump control module is electrically connected with a control module, an input end of the control module is electrically connected with an air pressure detection module, and the air pressure detection module is installed in a cavity surrounded by an element substrate corresponding to an element with the highest heat dissipation protection level.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model relates to a component substrate that is used for installing the component that sets up inside the charger box splices into shell structure, and the side of component substrate is fixed connection on the inside wall of box for the component is kept apart in the inner chamber of the shell structure of component substrate concatenation, and the component in the casing that every component substrate splices is same protection level, makes the space in the charger box fully utilized, has reduced the weight and the volume of charger; the output of the air pump of installation in the box is connected with the breather pipe, and the breather pipe concatenates the casing inner chamber that the component substrate spliced into in proper order from high to low according to the heat dissipation protection level, the input of air pump is provided with the filter screen, during the use, the air pump inhales clean air through the filter screen and goes into the cavity that the component substrate constitutes with the air in proper order through the breather pipe, then the air pump changes the suction and exhaust direction, take out the gas in the cavity and discharge through filter screen department, make each group of component can obtain abundant heat dissipation, and the filter screen receives two-way air-blowing, avoided the filter screen to gather the dust and influence the air permeability.

Drawings

FIG. 1 is a schematic view of the overall internal structure of the present invention;

FIG. 2 is a schematic view of the front view structure of the door of the present invention;

FIG. 3 is a schematic top view of the helical blade of the present invention;

FIG. 4 is a schematic top view of the supporting bump of the rotating shaft according to the present invention;

fig. 5 is a schematic frame diagram of the control system of the present invention.

In the figure: 10-charger box body; 101-distributing block; 11-a middle separator plate; 12-a breather pipe; 13-a thermally conductive sheet; 14-a rotating shaft; 141-air holes; 1-helical blades; 16-an air pump; 17-air exchange section; 18-a filter screen; 19-a pressure monitoring module; 20-an element substrate; 21-an air outlet pipe; 30-a box door; 31-a first sealing strip; 32-a second sealing strip; 33-a spindle support boss; 40-a control module; 41-an air pump control module; 42-air pressure detection module.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the charger for the internal combustion motor train unit comprises a charger box body 10, an element substrate 20, a box door 30 and an air pump 16, wherein the box door 30 is hinged to the edge of the front face of the charger box body 10, the charger box body 10 and the box door 30 form a sealed cavity structure, the element substrate 20 with elements mounted on the surface is arranged in the charger box body 10, the air pump 16 for dissipating air heat inside the charger box body 10 is mounted in the charger box body 10, a filter screen 18 is mounted at the input end of the air pump 16, the element substrate 20 surrounds a cavity structure with a hexagonal cross section, the elements are mounted on the inner surface of the element substrate 20, the elements mounted in the cavity structure surrounded by the element substrate 20 are in the same heat dissipation protection grade, the side face of the cavity structure surrounded by the element substrate 20 is connected with the inner wall of the charger box body 10, the output end of the air pump 16 is connected with the vent pipe 12, the output end of the vent pipe 12 is sequentially connected in series with the inner cavity of the shell which is surrounded by the corresponding element substrates 20 according to the sequence of the heat dissipation protection grades from high to low, the air pump 16 alternately changes the air suction and exhaust direction, when in use, the air pump 16 sucks clean air through the filter screen 18 and sequentially pumps the air into the cavity formed by the element substrates 20 through the vent pipe 12, then the air pump 16 changes the air suction and exhaust direction, gas in the cavity is pumped out and exhausted through the filter screen 18, the clean air firstly passes through the elements with high heat dissipation protection grades and then sequentially passes through the elements with low heat dissipation protection grades, the alternately performed air suction and exhaust enables each group of elements to be capable of achieving sufficient heat dissipation similar to the heat dissipation protection grades, and the filter screen 18 is blown by.

The inner cavity of the charger box body 10 is connected with a middle partition plate 11, the inner cavity of the charger box body 10 is equally divided into four independent cavities by the middle partition plate 11, cavity structures surrounded by the element substrates 20 are respectively arranged in the independent cavities separated by the middle partition plate 11, through holes are respectively formed in the middle partition plate 11 between the independent cavity structures, the element substrate 20 corresponding to the element with the lowest heat dissipation protection level in the element substrate 20 is connected with an air outlet pipe 21 penetrating through the element substrate 20, and cooling air enters the cavity between the middle partition plate 11 and the element substrate 20 after being dissipated heat of the element sequentially through the cavity formed by the element substrate 20 to form a heat dissipation effect on the outer side wall of the element substrate 20.

The outer wall of the element substrate 20 and the inner wall of the charger box body 10 and the middle partition plate 11 are connected with heat conducting fins 13 respectively, the heat conducting fins 13 not only enhance the rigidity of connection between the element substrate 20 and the middle partition plate 11, but also improve the heat dissipation effect of the outer side wall of the element substrate 20.

The inner wall of the charger case 10 is fixedly connected with a current distribution block 101 at the center of the cavity structure surrounded by the element substrate 20, the output end of the connecting vent pipe 12 among the cavity structures is communicated with the inner cavity of the flow distribution block 101, the front surface of the flow distribution block 101 is rotatably connected with a rotating shaft 14, the rotating shaft 14 is a cavity rod body structure, and the outer wall is connected with helical blades 1, the outer wall of the rotating shaft 14 between the helical blades 1 is provided with air holes 141 in a helical line form, and the opening of the air hole 141 faces the same side of the helical blade 1, the inner cavity of the rotating shaft 14 is communicated with the inner cavity of the distribution block 101, the cooling air flows into the distribution block 101 through the air pipe 12, and then the cooling air is sprayed from the air holes 141 of the rotating shaft 14 and blown on the side walls of the spiral blades 1, so that the rotating shaft 14 rotates, the rotating spiral blades 1 scatter and blow the cooling air on the elements, and the impact of the air flow on the elements is relieved.

The inner side surface of the box door 30 is provided with a first sealing strip 31 and a second sealing strip 32, when the box door 30 is closed with the charger box body 10, the first sealing strip 31 and the middle partition plate 11 are hermetically sealed, the second sealing strip 32 and the side wall of the element substrate 20 are hermetically sealed, the inner wall of the box door 30 is rotatably connected with a rotating shaft supporting lug 33 relative to the end of the rotating shaft 14, the rotating shaft supporting lug 33 is of a spherical convex structure, the end surface of the rotating shaft 14 is provided with a spherical concave structure, and the end surface of the rotating shaft 14 is in clamping fit with the rotating shaft supporting lug 33, so that the rotating shaft 14 can be supported more stably, and through spherical matching, the spherical concave surface of the rotating shaft 14 is easily clamped with the rotating shaft.

The input end of the pipeline connected with the input end of the air pump 16 is connected with an air exchange part 17, a transverse conical inner cavity is arranged in the air exchange part 17, the expansion end of the conical inner cavity is opposite to the filter screen 18, and during exhaust, air is reversely blown on the filter screen 18 through the air exchange part 17 and can cover the whole filter screen 18, so that dust is prevented from being collected on the filter screen 18.

An air pump 16 is installed in a cavity structure arranged at the bottom of the charger box 10, an input end of the air pump 16 is electrically connected with an air pump control module 41, an input end of the air pump control module 41 is electrically connected with a control module 40, an input end of the control module 40 is electrically connected with an air pressure detection module 42, the air pressure detection module 42 is installed in a cavity surrounded by the element substrate 20 corresponding to the element with the highest heat dissipation protection level, the control module can be a circuit including at least one processor, a circuit including at least one single chip microcomputer, or a combination form of various circuits or chips, as long as the corresponding function can be realized, the air pressure detection module 42 is a pressure sensor or a pressure transmitter and is used for detecting the change of the air pressure in the cavity, when the air pressure exceeds a preset value, the control module 40 adjusts the air suction and exhaust directions of the air pump 16, the air pump control module 41 is similar to a bidirectional control switch, and can realize the adjustment of the air suction and exhaust directions of the air pump 16 under the action of an electric signal provided by the control module 40.

The working principle is as follows: when in use, the air pump 16 sucks clean air through the filter screen 18 and pumps the air into the cavity formed by the component substrate 20 through the vent pipe 12 in sequence, cooling air flows into the distribution block 101 through the vent pipe 12, and then the cooling air is sprayed from the air holes 141 of the rotating shaft 14 and blown on the side wall of the helical blade 1, so that the rotating shaft 14 rotates, the rotating helical blade 1 disperses and blows the cooling air on the element, then the gas enters the cavity formed by the next element substrate 20 from the vent pipe 12, finally enters the cavity formed by the element substrate 20, the middle partition plate 11 and the inner wall of the charger box body 10 in sequence through the gas outlet pipe 21 to radiate heat along with the outer side wall of the element substrate 20, when the air pressure detected by the air pressure detecting module 42 exceeds the preset value, the control module 40 adjusts the air suction/discharge direction of the air pump 16 through the air pump control module 41, and the cooling air is discharged in the opposite direction, thereby completing a cycle of heat dissipation.

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. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Internal combustion motor train unit machine that charges, including charger box (10), component base plate (20), chamber door (30) and air pump (16), the front edge of charger box (10) articulates there is chamber door (30), charger box (10) with chamber door (30) constitute sealed cavity structure, be provided with component base plate (20) of surface mounting component in charger box (10), and it is right to install in charger box (10) be used for the inside air pump (16) that carry out the air cooling of charger box (10), filter screen (18), its characterized in that are installed to the input of air pump (16): the utility model discloses a battery charger, including cell substrate (20), component base plate (20) enclose into the cross-section and are hexagonal cavity structure, and the component is installed on the internal surface of cell substrate (20), the component that the cell substrate (20) enclosed into the cavity structure in is same heat dissipation protection level, the side of cell substrate (20) enclose into the cavity structure with the interior wall connection of machine box (10) charges, and airtight between the another side of cavity structure and the inside wall of chamber door (30), the output of air pump (16) is connected with breather pipe (12), the output of breather pipe (12) concatenates corresponding cell substrate (20) in proper order and encloses into the casing inner chamber according to heat dissipation protection level from high to low, air pump (16) alternate change inhales the exhaust direction.

2. The charger of the internal combustion motor train unit according to claim 1, characterized in that: the inner cavity of the charger box body (10) is connected with a middle partition plate (11), the inner cavity of the charger box body (10) is equally divided into four independent cavities by the middle partition plate (11), cavity structures formed by surrounding of element substrates (20) are arranged in the independent cavities of the middle partition plate (11) respectively, through holes are formed in the middle partition plate (11) between the independent cavity structures respectively, and the element substrate (20) corresponding to the element with the lowest heat dissipation protection level in the element substrate (20) is connected with an air outlet pipe (21) penetrating through the element substrate (20).

3. The charger of the internal combustion motor train unit according to claim 2, characterized in that: and heat-conducting fins (13) are respectively connected between the outer wall of the element substrate (20) and the inner wall of the charger box body (10) and the middle partition plate (11).

4. The charger of the internal combustion motor train unit according to claim 3, characterized in that: the inner wall of machine box (10) that charges is located element substrate (20) enclose into the center department fixedly connected with distribution block (101) of cavity structure, and between the cavity structure connect the output of breather pipe (12) with the inner chamber intercommunication of distribution block (101), the front of distribution block (101) is rotated and is connected with pivot (14), pivot (14) are cavity body of rod structure, and its outer wall is connected with helical blade (1), gas pocket (141) are seted up according to the helix form to the outer wall that pivot (14) are located between helical blade (1), and the opening orientation of gas pocket (141) helical blade (1) same side, the inner chamber of pivot (14) with the inner chamber intercommunication of distribution block (101).

5. The charger of the internal combustion motor train unit according to claim 4, characterized in that: the inner side surface of the box door (30) is provided with a first sealing strip (31) and a second sealing strip (32), when the box door (30) and the charger box body (10) are closed, the first sealing strip (31) and the middle partition plate (11) are sealed, the second sealing strip (32) and the side wall of the element substrate (20) are sealed, the inner wall of the box door (30) is connected with a rotating shaft supporting lug (33) in a rotating mode relative to the end of the rotating shaft (14), the rotating shaft supporting lug (33) is of a spherical convex structure, the end face of the rotating shaft (14) is of a spherical concave structure, and the end face of the rotating shaft (14) is in clamping matching with the rotating shaft supporting lug (33).

6. The charger of the internal combustion motor train unit according to claim 1, characterized in that: the air pump is characterized in that the input end of a pipeline connected with the input end of the air pump (16) is connected with an air exchange part (17), a transverse conical inner cavity is arranged in the air exchange part (17), and the expansion end of the conical inner cavity is opposite to the filter screen (18).

7. The charger of the internal combustion motor train unit according to claim 6, characterized in that: install air pump (16) in the cavity structure that charger box (10) bottom set up, and the input electric connection of air pump (16) has air pump control module (41), the input electric connection of air pump control module (41) has control module (40), the input electric connection of control module (40) has atmospheric pressure detection module (42), atmospheric pressure detection module (42) are installed in the cavity that component substrate (20) that the highest component of heat dissipation protection level corresponds centers on.

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