CN210640567U

CN210640567U - Railway low-voltage power supply control box

Info

Publication number: CN210640567U
Application number: CN201922201025.9U
Authority: CN
Inventors: 郝彦蒙
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-05-29
Anticipated expiration: 2029-12-10

Abstract

The utility model provides a railway low-voltage power supply control box, which comprises a box body, wherein an electric control element is arranged in the box body, a coil pipe is wound on the inner wall of the box body at the periphery of the electric control element along the vertical direction, a plurality of jet holes are uniformly distributed at intervals at one side of the coil pipe opposite to the electric control element, an air inlet component communicated with the coil pipe is arranged at the bottom of the box body, a heat extraction component is arranged at the top of the box body, and a temperature sensor and a control unit are arranged in the box body; the air inlet assembly, the heat exhaust assembly and the temperature sensor are respectively connected with the control unit; the utility model discloses simple structure, compactness, the radiating effect is good, guarantees the normal operating of device, has stronger practicality.

Description

Railway low-voltage power supply control box

Technical Field

The utility model relates to a railway power supply unit specifically is a railway low pressure power supply control box.

Background

Railway transportation is less affected by climate and natural conditions, and the transportation capacity and the loading capacity of a single vehicle are large, so that the transportation is superior in the regularity and low cost of transportation, and various types of vehicles are added, so that the railway transportation can carry almost any commodity and is almost not limited by weight and volume, which cannot be compared with road and air transportation modes.

Along with the large-scale construction of railway, need realize low pressure power supply control with the help of the automatically controlled cabinet, but current low pressure power supply control box radiating effect is poor, produces high temperature easily after long-time the use, influences the normal use of inside device to influence power supply control device's normal operating.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a railway low pressure power supply control box to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a railway low-voltage power supply control box comprises a box body, wherein an electric control element is arranged in the box body, a coil pipe is wound on the inner wall of the box body at the periphery of the electric control element along the vertical direction, a plurality of jet holes are uniformly distributed at intervals on one side of the coil pipe opposite to the electric control element, an air inlet assembly communicated with the coil pipe is arranged at the bottom of the box body, a heat extraction assembly is arranged at the top of the box body, and a temperature sensor and a control unit are arranged in the box body; the air inlet assembly, the heat extraction assembly and the temperature sensor are respectively connected with the control unit.

As a further aspect of the present invention: the lower end of the box body is open, a fixing ring is arranged at the lower end of the box body, a base is fixedly connected to the lower end face of the fixing ring through bolts, and the electric control element is arranged on the base on the inner side of the box body.

As a further aspect of the present invention: the air inlet assembly consists of a shutter type air blower arranged on one side of the lower end of the box body, a first positioning ring arranged on the outer wall of the box body corresponding to an air inlet of the shutter type air blower, a first end cover in threaded connection with the outer end of the first positioning ring, a first dustproof filter screen arranged on the first end cover on the inner side of the first positioning ring and air inlet holes uniformly distributed on the first end cover at intervals; the air inlet holes are obliquely arranged in a low-inside-high mode, the air outlet of the louver type air blower is communicated with the coil pipe through a pipeline, and the louver type air blower is connected with the control unit.

As a further aspect of the present invention: the heat extraction component consists of heat extraction holes which are uniformly distributed at the top of the box body at intervals, a protective cover which is arranged at the outer top of the box body at the periphery of the heat extraction holes, a louver type exhaust fan which is arranged at one end of the protective cover, a second positioning ring which is arranged on the outer wall of the protective cover corresponding to the air outlet of the louver type exhaust fan, a second end cover which is in threaded connection with the outer end of the second positioning ring, a second dustproof filter screen which is arranged on the second end cover at the inner side of the second positioning ring and air exhaust holes which are uniformly distributed at intervals; the air exhaust holes are obliquely arranged in a low-inside-high mode, and the louver type exhaust fan is connected with the control unit.

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

the utility model adopts the above structure after, through on the outlying box inner wall of automatically controlled component along vertical direction around being equipped with the coil pipe, there are a plurality of jet orifices in one side interval equipartition that the coil pipe is relative with automatically controlled component, can be even to the all-round heat dissipation of blowing of automatically controlled component, the radiating effect is good, guarantees the normal use of device. Meanwhile, through the mutual matching of the arranged louver type air blower and the louver type exhaust fan, when the temperature sensor detects that the temperature is too high and heat dissipation is needed, the louver type air blower and the louver type exhaust fan can be mutually matched to dissipate heat in the box body; when the heat dissipation is not needed, the shutters of the air blower and the exhaust fan are both in a closed state, so that the interior of the box body is kept sealed, and external dust or moisture is prevented from entering the box body, and the normal operation of the power supply control device is ensured. And, through setting up first end cover and first holding ring threaded connection to and second end cover and second holding ring threaded connection, can easily clear up the filter screen, convenient operation, the equal slope of fresh air inlet and exhaust hole sets up simultaneously, and external dust is difficult for getting into, can prolong the live time of dustproof filter screen. The utility model discloses simple structure, compactness, the radiating effect is good, guarantees the normal operating of device, has stronger practicality.

Drawings

Fig. 1 is a schematic structural diagram of a railway low-voltage power supply control box.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a partially enlarged schematic view of a portion B in fig. 1.

In the figure: 1. a box body; 2. an electrical control element; 3. a coil pipe; 4. an injection hole; 5. an air intake assembly; 501. a louver type blower; 502. a first positioning ring; 503. a first end cap; 504. a first dust screen; 505. an air inlet hole; 6. a heat removal assembly; 601. heat removal holes; 602. a protective cover; 603. a shutter type exhaust fan; 604. a second positioning ring; 605. a second end cap; 606. a second dust-proof filter screen; 607. an air exhaust hole; 7. a temperature sensor; 8. a control unit; 9. a fixing ring; 10. a base.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-3, a railway low-voltage power supply control box comprises a box body 1, wherein an electric control element 2 is arranged in the box body 1, a coil pipe 3 is wound on the inner wall of the box body 1 at the periphery of the electric control element 2 along the vertical direction, and a plurality of spray holes 4 are uniformly distributed at intervals at one side of the coil pipe 3 opposite to the electric control element 2, so that the electric control element 2 can be uniformly blown and radiated in an all-around manner, the heat radiation effect is good, and the normal use of devices is ensured. An air inlet assembly 5 communicated with the coil pipe 3 is arranged at the bottom of the box body 1, a heat exhaust assembly 6 is arranged at the top of the box body 1, and a temperature sensor 7 and a control unit 8 are arranged in the box body 1; the air inlet component 5, the heat exhaust component 6 and the temperature sensor 7 are respectively connected with the control unit 8.

Preferably, the open setting of 1 lower extreme of box is equipped with solid fixed ring 9 at the lower extreme of box 1, passes through bolt fixedly connected with base 10 at solid fixed ring 9's lower terminal surface, electrical control element 2 sets up on the inboard base 10 of box 1, can conveniently dismantle box 1 to can overhaul electrical control element 2.

The air inlet assembly 5 is composed of a louver type blower 501 arranged on one side of the lower end of the box body 1, a first positioning ring 502 arranged on the outer wall of the box body 1 corresponding to an air inlet of the louver type blower 501, a first end cover 503 in threaded connection with the outer end of the first positioning ring 502, a first dustproof filter screen 504 arranged on the first end cover 503 on the inner side of the first positioning ring 502, and air inlet holes 505 uniformly distributed on the first end cover 503 at intervals; the air inlet holes 505 are arranged in a low-inside-high inclined manner, so that external dust is not easy to enter, and the service time of the first dustproof filter screen 504 is prolonged. The air outlet of the louver type blower 501 is communicated with the coil 3 through a pipeline, and the louver type blower 501 is connected with the control unit 8. By arranging the first end cover 503 in threaded connection with the first positioning ring 502, the first dustproof filter screen 504 can be cleaned conveniently.

In addition, the heat discharging component 6 is composed of heat discharging holes 601 uniformly distributed at intervals on the top of the box body 1, a protective cover 602 arranged on the outer top of the box body 1 at the periphery of the heat discharging holes 601, a louver type exhaust fan 603 arranged at one end of the protective cover 602, a second positioning ring 604 arranged on the outer wall of the protective cover 602 corresponding to the air outlet of the louver type exhaust fan 603, a second end cover 605 screwed on the outer end of the second positioning ring 604, a second dustproof filter screen 606 arranged on the second end cover 605 at the inner side of the second positioning ring 604, and air discharging holes 607 uniformly distributed at intervals on the second end cover 605; the air exhaust holes 607 are arranged obliquely with a low outside and a high inside, so that external dust is not easy to enter, and the service time of the second dustproof filter screen 606 is prolonged. The louvered blower 603 is connected to the control unit 8. The second dust screen 606 may be easily cleaned by providing a second end cap 605 that is threadably engaged with the second retaining ring 604.

When the temperature sensor 7 detects that the temperature in the box body 1 is too high and heat dissipation is needed, the shutters of the shutter type blower 501 and the shutter type exhaust fan 603 are both in an open state, so that the shutters can be matched with each other to dissipate heat in the box body 1; when not needing the heat dissipation, the shutter of air-blower and air exhauster all is in the closed condition, makes and keeps sealed in the box 1, avoids external dust or moisture to get into in the box 1 to guarantee power supply control device's normal operating.

In this embodiment, it should be noted that the control unit 8 of the control component, the louver type blower 501, the louver type exhaust fan 603, and the temperature sensor 7 connected to the control unit 8 are all in the prior art, and the connections between the components are also in the prior art, so the connection relationship and principle thereof are not described herein again.

The utility model discloses a theory of operation is: when the temperature sensor 7 detects that the temperature in the box body 1 is overhigh, the louver type air blower 501 and the louver type exhaust fan 603 are started simultaneously, each louver is in an open state, and then external natural wind is filtered by the first dustproof filter screen 504 and then is blown to radiate the electric control element 2 in all directions through the coil pipe 3 and the jet holes 4; meanwhile, the louver type exhaust fan 603 pumps the high-temperature air in the box body 1 to the outside.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A railway low-voltage power supply control box comprises a box body (1) and is characterized in that an electric control element (2) is arranged in the box body (1), a coil pipe (3) is wound on the inner wall of the box body (1) at the periphery of the electric control element (2) along the vertical direction, a plurality of spraying holes (4) are uniformly distributed at intervals on one side, opposite to the electric control element (2), of the coil pipe (3), an air inlet assembly (5) communicated with the coil pipe (3) is arranged at the bottom of the box body (1), a heat extraction assembly (6) is arranged at the top of the box body (1), and a temperature sensor (7) and a control unit (8) are arranged in the box body (1); the air inlet assembly (5), the heat exhaust assembly (6) and the temperature sensor (7) are respectively connected with the control unit (8).

2. The railway low-voltage power supply control box according to claim 1, wherein the lower end of the box body (1) is open, a fixing ring (9) is arranged at the lower end of the box body (1), a base (10) is fixedly connected to the lower end face of the fixing ring (9) through a bolt, and the electric control element (2) is arranged on the base (10) on the inner side of the box body (1).

3. The railway low-voltage power supply control box as claimed in claim 1, wherein the air intake assembly (5) is composed of a louver type blower (501) arranged on one side of the lower end of the box body (1), a first positioning ring (502) arranged on the outer wall of the box body (1) corresponding to an air inlet of the louver type blower (501), a first end cover (503) in threaded connection with the outer end of the first positioning ring (502), a first dustproof filter screen (504) arranged on the first end cover (503) at the inner side of the first positioning ring (502), and air intake holes (505) uniformly distributed on the first end cover (503) at intervals; the air inlet holes (505) are arranged in a mode that the outer part is low and the inner part is high, the air outlet of the louver type air blower (501) is communicated with the coil pipe (3) through a pipeline, and the louver type air blower (501) is connected with the control unit (8).

4. The railway low-voltage power supply control box according to claim 1, wherein the heat removal assembly (6) comprises heat removal holes (601) uniformly distributed at intervals at the top of the box body (1), a protective cover (602) arranged at the outer top of the box body (1) at the periphery of the heat removal holes (601), a louver type exhaust fan (603) arranged at one end of the protective cover (602), a second positioning ring (604) arranged on the outer wall of the protective cover (602) corresponding to the air outlet of the louver type exhaust fan (603), a second end cover (605) in threaded connection with the outer end of the second positioning ring (604), a second dustproof filter screen (606) arranged on the second end cover (605) at the inner side of the second positioning ring (604), and air exhaust holes (607) uniformly distributed at intervals on the second end cover (605); the air exhaust holes (607) are arranged in a manner that the outer part is low and the inner part is high, and the louver type exhaust fan (603) is connected with the control unit (8).