CN216244181U - Improved LED driving power supply for subway passenger car - Google Patents

Abstract

The utility model discloses an improved LED driving power supply for a subway bus, which comprises a driving power supply, a filtering module and a lighting lamp, wherein the filtering module is installed on one side of the driving power supply, the driving power supply comprises an upper box body and a lower box body, the upper box body is installed at the top end of the lower box body, a water pump is installed on the surface of the bottom end of the upper box body, a water pipe is installed at one end of the water pump, and a temperature sensor is installed on one side of the water pipe. The water-cooling heat dissipation device has the advantages that the water-cooling heat dissipation is carried out by arranging the temperature sensor, the water pump and the water pipe, the water-cooling heat dissipation effect is better compared with the traditional air-cooling heat dissipation effect, the situation that internal parts of the driving power supply are damaged due to overheating can be effectively prevented, meanwhile, the peak voltage of output current is limited by adding the filtering module, the waveform stability rule of the output current is ensured, the service life of the driving power supply is longer, and the driving power supply is further divided into the upper box body and the lower box body, so that the disassembly and maintenance are convenient.

Description

Improved LED driving power supply for subway passenger car

Technical Field

The utility model relates to the technical field of LED power supplies, in particular to an improved LED driving power supply for a subway bus.

Background

An LED driving power supply is a power converter that converts a power supply into a specific voltage and current to drive an LED to emit light, and generally: the input of the LED driving power source includes high-voltage power-frequency alternating current (i.e., commercial power), low-voltage direct current, high-voltage direct current, low-voltage high-frequency alternating current (e.g., output of an electronic transformer), and the like.

The passenger room illumination lamp plate fault rate of current [ electric ] motor coach is higher, and main reason is because: 1. the individual service life difference of the lamp points causes that part of the lamp points are easy to be punctured; 2. the presence of the peak voltage leads to a lamp point which is struck and even broken down. At present, no special technical means is provided for solving the current situation, and the current situation can be solved only by replacing the lamp panels in a large batch. This method is time consuming and labor intensive and does not fundamentally solve the problem.

Meanwhile, the existing LED driving power supply is not perfect in heat dissipation treatment, an air-cooling heat dissipation mode is usually adopted, the air-cooling heat dissipation effect is poor, the LED driving power supply can generate a large amount of heat in the operation process, the working time of the LED driving power supply used for the passenger room lighting lamp panel of the passenger car is long, the heat dissipation effect cannot meet the requirement easily, and the situation that parts are damaged due to overheating is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides an improved LED driving power supply for a subway bus.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model discloses an improved LED driving power supply for a subway bus, which comprises a driving power supply, a filtering module and a lighting lamp, wherein the filtering module is installed on one side of the driving power supply, the driving power supply is in a rectangular box shape, heat dissipation holes are installed at the top end of the driving power supply, the driving power supply comprises an upper box body and a lower box body, the upper box body is installed at the top end of the lower box body, a water pump is installed on the surface of the bottom end of the upper box body, a water pipe is installed at one end of the water pump, a temperature sensor is installed on one side of the water pipe, an installation groove is installed on one side of the water pipe, an installation screw is installed at the top end of the lower box body, a wire outlet groove is installed at one end of the driving power supply, a wiring terminal is installed at one end of the wire outlet groove, and the driving power supply and the lighting lamp are electrically connected.

As a preferred technical scheme of the utility model, the wiring terminal is installed inside a wire outlet groove, the wire outlet groove is arranged at one end of the lower box body and penetrates through the shell of the lower box body, the wiring terminal is of a detachable structure, a wire is installed inside the wiring terminal, the wire is connected with the filtering module, the driving power supply is connected with the filtering module through the wiring terminal, and the driving power supply is connected with the filtering module in series.

As a preferred technical scheme of the utility model, circulating liquid is arranged in the water pipe, a power controller is arranged in the water pump, the power controller is electrically connected with the temperature sensor, the water pipe is bent, and two ends of the water pipe are both connected with the water pump.

As a preferred technical scheme of the utility model, the surface of the upper box body is provided with heat dissipation holes, the heat dissipation holes are of a shutter structure, and the heat dissipation holes correspond to the positions of the water pump and the water pipe.

As a preferred technical scheme of the utility model, the driving power supply is divided into an upper box body and a lower box body, the upper box body and the lower box body are the same in size and height, the lower box body is provided with an installation screw, and the upper box body is provided with an installation groove.

As a preferable technical scheme of the utility model, the mounting screw and the mounting groove are in threaded connection, the mounting screw penetrates through the lower box body, and the mounting screw is of a detachable structure.

As a preferable technical scheme of the utility model, the bottom end of the driving power supply is provided with an installation plate, the installation plate is in threaded connection with the driving power supply, and the installation plate is used for limiting the driving power supply.

Compared with the prior art, the utility model has the following beneficial effects:

the water-cooling heat dissipation device has the advantages that the water-cooling heat dissipation is carried out by arranging the temperature sensor, the water pump and the water pipe, the water-cooling heat dissipation effect is better compared with the traditional air-cooling heat dissipation effect, the situation that internal parts of the driving power supply are damaged due to overheating can be effectively prevented, meanwhile, the peak voltage of output current is limited by adding the filtering module, the waveform stability rule of the output current is ensured, the service life of the driving power supply is longer, and the driving power supply is further divided into the upper box body and the lower box body, so that the disassembly and maintenance are convenient.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is an exploded view of the drive power supply configuration of the present invention;

FIG. 3 is a sectional view of the upper case structure of the present invention;

FIG. 4 is a circuit diagram of the filter module structure of the present invention;

in the figure: 1. a drive power supply; 101. an upper box body; 1011. a water pump; 1012. a water pipe; 1013. a temperature sensor; 1014. mounting grooves; 1015. heat dissipation holes; 102. a lower box body; 1021. mounting screws; 1022. an outlet groove; 1023. a wiring terminal; 2. and a filtering module.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Wherein like reference numerals refer to like parts throughout.

Example 1

As shown in fig. 1-4, the utility model provides an improved LED driving power supply for a subway bus, which includes a driving power supply 1, a filter module 2 and an illumination lamp, the filter module 2 is installed on one side of the driving power supply 1, the driving power supply 1 is in a rectangular box shape, a heat dissipation hole 1015 is installed on the top end of the driving power supply 1, the driving power supply 1 includes an upper box 101 and a lower box 102, the upper box 101 is installed on the top end of the lower box 102, a water pump 1011 is installed on the bottom end surface of the upper box 101, a water pipe 1012 is installed at one end of the water pump 1011, a temperature sensor 1013 is installed at one side of the water pipe 1012, an installation groove 1014 is installed on one side of the water pipe 1012, an installation screw 1021 is installed on the top end of the lower box 102, an outlet groove 1022 is installed at one end of the driving power supply 1, a connection terminal 1023 is installed at one end of the outlet groove 1022, and the driving power supply 1 and the illumination lamp are electrically connected.

Further, binding post 1023 installs inside outlet groove 1022, outlet groove 1022 sets up in box body 102 one end down and runs through box body 102 shell down, binding post 1023 is detachable construction, binding post 1023 internally mounted has the wire, filtering module 2 is connected to the wire, be connected through binding post 1023 between drive power supply 1 and the filtering module 2, drive power supply 1 is series connection with filtering module 2, through additionally add filtering module 2 on drive power supply 1 basis at present, limit output current's peak voltage, guarantee the stable law of output current waveform, and confirm through the experiment that lamp plate luminance is stable at the within range of certain range's input voltage, satisfy the passenger train service quality requirement. Actual loading tracking experiments show that the novel improved driving power supply 1 for the electric bus is good in tracking effect, fault rate of a lighting lamp plate of a passenger room can be greatly reduced, overhaul pressure of the electric bus is relieved, and purchase cost of the lamp plate is saved.

The circulating liquid is arranged in the water pipe 1012, the power controller is arranged in the water pump 1011, the power controller is electrically connected with the temperature sensor 1013, the water pipe 1012 is in a bent shape, two ends of the water pipe 1012 are both connected with the water pump 1011, the surface of the upper box body 101 is provided with the heat dissipation hole 1015, the heat dissipation hole 1015 is in a shutter structure, the heat dissipation hole 1015 corresponds to the positions of the water pump 1011 and the water pipe 1012, the temperature sensor 1013 monitors the temperature in the driving power supply 1, the internal components of the driving power supply 1 can generate a large amount of heat in the working process, the temperature sensor 1013 transfers the monitored temperature to the power controller at rest, the power controller controls the water pump 1011 to start, the water pump 1011 pushes the circulating liquid in the water pipe 1012 to circulate and take away the heat, and the heat is discharged from the heat dissipation hole 1015 by the principle that hot air flows upwards, the higher the temperature monitored by the temperature sensor 1013 is, the higher the working efficiency of the water pump 1011 controlled by the power controller is higher, the faster the circulation speed of the circulating liquid is, the better the heat dissipation effect is.

Drive power supply 1 divide into box body 101 and lower box body 102, the big or small height of going up box body 101 and lower box body 102 is the same, mounting screw 1021 is installed to lower box body 102, mounting groove 1014 is installed to last box body 101, mounting screw 1021 and mounting groove 1014 are threaded connection, mounting screw 1021 runs through box body 102 down, mounting screw 1021 is detachable construction, through divide into box body 101 and lower box body 102 with drive power supply 1, go up and connect through mounting screw 1021 and mounting groove 1014 between box body 101 and the lower box body 102, make things convenient for the staff to dismantle the maintenance in the follow-up.

The mounting panel is installed to drive power supply 1's bottom, and the mounting panel is threaded connection with drive power supply 1, and its mounting panel is used for spacing drive power supply 1, and during the user installation, through installing the mounting panel on drive power supply 1, punch the installation to the mounting panel, change the mounting panel during the dismantlement, punch the damage that causes drive power supply 1 when preventing the installation.

Specifically, when a user uses the driving power supply 1, a large amount of heat can be generated by internal components of the driving power supply 1 in the working process, the temperature sensor 1013 monitors the internal temperature, the monitored temperature is transmitted to the power controller in a resting mode, the power controller controls the water pump 1011 to start, the water pump 1011 pushes the circulating liquid in the water pipe 1012 to circulate and take away the heat, and the heat is discharged from the heat dissipation holes 1015 according to the principle that hot air flows upwards, the higher the temperature monitored by the temperature sensor 1013 is, the higher the working efficiency of the water pump 1011 controlled by the power controller is, the faster the circulating speed of the circulating liquid is, the better the heat dissipation effect is, which is equivalent to the traditional air-cooled heat dissipation, the better the water-cooled heat dissipation effect is, the damage of the internal components of the driving power supply 1 is prevented from overheating, meanwhile, by dividing the driving power supply 1 into the upper box body 101 and the lower box body 102, the upper box body 101 is connected with the lower box body 102 through the mounting screw 1021, the worker can conveniently detach and maintain the device in the follow-up process.

The utility model discloses a passenger room lighting of an improved driving power supply 1, which is characterized in that a centralized power supply mode is adopted for current passenger room lighting of a subway electric passenger car, the centralized power supply mode is installed in a side roof of the passenger room, DC110V direct current generated by a train auxiliary inverter is converted into DC53V direct current for use by a lamp panel of the passenger room, because the output current of the driving power supply 1 has peak voltage, and the single lamp points have individual service life difference and heat dissipation problems, the phenomenon that half or whole lamp points are not lighted due to the breakdown of the single lamp points after the lamp panel of the passenger room lighting is used for a period of time is avoided, the service quality of the electric passenger car is influenced, and the maintenance pressure is seriously increased, the utility model improves the driving power supply 1, additionally adds a filter module 2 on the basis of the existing driving power supply 1, limits the peak voltage of the output current, ensures the waveform stability rule of the output current, and ensures the stable brightness of the lamp panel within a certain range of input voltage through experiments, meets the service quality requirements of the electric passenger car, and practical loading tracking experiments show, this novel improvement [ electric ] motor coach drive power supply 1 trails effectually, but greatly reduced passenger room illumination lamp plate fault rate alleviates [ electric ] motor coach maintenance pressure, practices thrift lamp plate purchasing cost, even filtering module 2 loses but the circuit path of filtering function, and the inductance is normal, unable energy storage, but the circuit is whole not to be broken circuit, does not influence the normal use of passenger room illumination.

According to the utility model, the temperature sensor 1013, the water pump 1011 and the water pipe 1012 are arranged for water cooling heat dissipation, so that the water cooling heat dissipation effect is better compared with the traditional air cooling heat dissipation effect, the situation that internal components of the driving power supply 1 are damaged due to overheating can be effectively prevented, meanwhile, the peak voltage of the output current is limited by adding the filtering module 2, the waveform stability rule of the output current is ensured, the service life of the driving power supply 1 is longer, and the driving power supply 1 is divided into the upper box body 101 and the lower box body 102, so that the disassembly and maintenance are convenient.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides an improvement LED drive power supply for subway passenger train, includes drive power supply (1), filter module (2) and light, its characterized in that, filter module (2) are installed to one side of drive power supply (1), drive power supply (1) is the rectangular box shape, louvre (1015) are installed to the top of drive power supply (1), drive power supply (1) includes box body and lower box body, it installs in the top of box body down to go up the box body, the bottom surface mounting of going up the box body has water pump (1011), water pipe (1012) are installed to the one end of water pump (1011), temperature sensor (1013) are installed to one side of water pipe (1012), mounting groove (1014) are installed to one side of water pipe (1012), mounting screw (1021) are installed to the top of box body down, outlet groove (1022) are installed to the one end of drive power supply (1), binding post (1023) are installed to the one end of outlet groove (1022), drive power supply (1) and light are electric connection.

2. The improved LED driving power supply for the subway train as claimed in claim 1, wherein said connection terminal (1023) is installed inside a wire slot (1022), said wire slot (1022) is installed at one end of the lower box body and penetrates through the outer shell of the lower box body, said connection terminal (1023) is a detachable structure, said connection terminal (1023) is installed inside a wire, said wire is connected with said filter module (2), said driving power supply (1) and said filter module (2) are connected through said connection terminal (1023), said driving power supply (1) and said filter module (2) are connected in series.

3. The improved LED driving power supply for the subway train as claimed in claim 1, wherein said water pipe (1012) is internally installed with circulating liquid, said water pump (1011) is internally installed with a power controller, said power controller is electrically connected to said temperature sensor (1013), said water pipe (1012) is curved, and both ends of said water pipe (1012) are connected to said water pump (1011).

4. The improved LED driving power supply for the subway electric bus as claimed in claim 3, wherein said upper box body has heat dissipation holes (1015) mounted on its surface, said heat dissipation holes (1015) are louver structure, said heat dissipation holes (1015) correspond to the position of the water pump (1011) and the water pipe (1012).

5. The improved LED driving power supply for the subway bus as claimed in claim 1, wherein said driving power supply (1) is divided into an upper box and a lower box, said upper box and said lower box are same in size and height, said lower box is installed with mounting screws (1021), said upper box is installed with mounting grooves (1014).

6. The improved LED driving power supply for the subway train as claimed in claim 5, wherein said mounting screw (1021) and mounting groove (1014) are in threaded connection, said mounting screw (1021) penetrates through said lower box body, and said mounting screw (1021) is in detachable structure.

7. The improved LED driving power supply for the subway train as claimed in claim 1, wherein said driving power supply (1) has a mounting plate mounted at its bottom end, said mounting plate is screwed to said driving power supply (1), and its mounting plate is used for limiting said driving power supply (1).

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