CN211181832U

CN211181832U - Transformer

Info

Publication number: CN211181832U
Application number: CN201922272159.XU
Authority: CN
Inventors: 胡琳
Original assignee: Ningbo Jinyuan Holding Co ltd
Current assignee: Ningbo Jinyuan Holding Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-08-04
Anticipated expiration: 2029-12-16

Abstract

The utility model discloses a transformer, relating to the technical field of voltage conversion; the utility model discloses an outer shell, be located the vary voltage module of shell, the shell includes the curb plate, the roof, the bottom plate, vary voltage module rigid coupling is on the bottom plate, the roof downside is equipped with the aspirating hole, be equipped with the exhaust fan that is used for bleeding in the aspirating hole, the curb plate outside is equipped with the heat exchange mouth, curb plate inboard bottom is equipped with the inlet port, the curb plate is inside to be equipped with the cold air flue between heat exchange mouth and inlet port, cold air flue both ends respectively with the heat exchange mouth of its both sides, the inlet port intercommunication, the inside hot air flue that is equipped with of roof, hot air flue one end and aspirating hole intercommunication, be equipped with the hot air flue of second in the curb plate, the hot air flue one end and the hot air flue intercommunication of keeping away from the aspirating hole, the hot air flue is kept away from to the second hot air flue. The utility model discloses water-proof effects is good.

Description

Transformer

Technical Field

The utility model belongs to the technical field of voltage conversion, in particular to transformer.

Background

In the existing transformer, for example, a transformer of a battery car, in order to ensure a heat dissipation effect, an air outlet is arranged on a shell of the transformer, and an exhaust fan is arranged at the position of the air outlet, so that although the heat dissipation effect is improved, liquid can easily enter from the air outlet, and the transformer is expanded; the waterproof effect is poor.

Disclosure of Invention

The utility model aims at overcoming the shortcoming that prior art water-proof effects is poor, providing a transformer, water-proof effects is good.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a transformer comprises a shell and a transformation module positioned in the shell, wherein the shell comprises a side plate, a top plate and a bottom plate, the transformation module is fixedly connected on the bottom plate, an air exhaust hole is formed in the lower side of the top plate, an exhaust fan used for exhausting air is arranged in the air exhaust hole, a heat exchange port is formed in the outer side of the side plate, an air inlet hole is formed in the bottom end of the inner side of the side plate, a cold air passage is formed in the inner portion of the side plate between the heat exchange port and the air inlet hole, two ends of the cold air passage are respectively communicated with the heat exchange port and the air inlet hole on the two sides of the cold air passage, a hot air passage is formed in the top plate, one end of the hot air passage is communicated with the air exhaust hole, a second hot air passage is formed in the side plate, one end, far away from the air exhaust hole, and a partition board for separating cold air from hot air is arranged in the cold and heat exchange port. The transformation module is an important part in the transformer and consists of coils, converts 220v voltage into required voltage, is a mature prior art and is not developed here; the utility model discloses during operation, the vary voltage module is used for the switching voltage, the vary voltage module generates heat, temperature risees in the shell, the exhaust fan operation, send into the hot-air flue with the hot-air in the shell, then through the second hot-air flue from the shell of heat and cold exchange mouth discharge, it is corresponding, after the hot-air is discharged, the atmospheric pressure reduces in the shell, cold air gets into in the shell from the inlet port after cold and hot exchange mouth, cold air flue, reduce the temperature in the shell, in addition, cold air gets into the shell and blows the vary voltage module, reduce the temperature of vary voltage module, protection vary voltage module, the baffle separates hot-air and cold-air, prevent that hot-air from being inhaled in the shell at the heat and cold exchange; the utility model discloses have good heat dispersion, in addition, do not open the exhaust outlet on the shell, inside liquid can not directly reachd, protected the vary voltage module, had good waterproof nature.

Preferably, the top plate and the bottom plate are both circular, the side plate is cylindrical, and the top plate, the bottom plate and the side plate form a cylindrical structure. The structure is simple.

Preferably, the air exhaust hole is positioned at the center of the top plate. When hot air is pumped, the air is relatively uniform.

Preferably, the number of the hot air passages is more than two, the number of the second hot air passage, the number of the cold air passage, the number of the heat exchange ports, the number of the hot air passage and the number of the air inlet holes are equal, the hot air passages are respectively in one-to-one correspondence with the second hot air passage and the number of the heat exchange ports, and the air inlet holes are respectively in one-to-one correspondence with the cold air passages and the number of the heat exchange ports. The heat dissipation effect is enhanced.

Preferably, the number of the hot air ducts is four. Simple structure when possessing good radiating effect, has also avoided too much cold and hot exchange mouth's quantity, reduces the dust and gets into the shell.

Preferably, the hot air passages are arranged in an annular array by taking the circle center of the top plate as the center. And (4) uniformly dissipating heat.

Preferably, a baffle plate for guiding the hot air to flow away from the bottom plate is fixedly connected to one end of the partition plate away from the side plate. Under the action of the guide plate, hot air moves upwards when leaving the cold and heat exchange port, and leaves the cold and heat exchange port as soon as possible to prevent being sucked into the cold and heat exchange port again.

The utility model has the advantages that: the utility model discloses water-proof effects is good.

Drawings

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

fig. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

fig. 4 is a sectional view B-B of fig. 3.

In the figure: the air conditioner comprises a side plate 1, a top plate 2, an air suction hole 3, a cold-heat exchange port 4, an air inlet 5, a cold air passage 6, a hot air passage 7, a second hot air passage 8, a partition plate 9, an exhaust fan 10, a guide plate 11, a pressure transformation module 12, a shell 13 and a bottom plate 14.

Detailed Description

The invention will be further explained in detail with reference to the drawings and the following detailed description:

example (b):

referring to fig. 1 to 4: a transformer comprises a shell 13 and a transformation module 12 positioned in the shell 13, wherein the shell 13 comprises a side plate 1, a top plate 2 and a bottom plate 14, the transformation module 12 is fixedly connected to the bottom plate 14, the top plate 2 and the bottom plate 14 are both circular, the side plate 1 is cylindrical, and the top plate 2, the bottom plate 14 and the side plate 1 form a cylindrical structure; an air exhaust hole 3 is formed in the lower side of the top plate 2, and the air exhaust hole 3 is located in the circle center of the top plate 2; an exhaust fan 10 for exhausting air is arranged in the air exhaust hole 3, a cold-heat exchange port 4 is arranged on the outer side of the side plate 1, an air inlet 5 is arranged at the bottom end of the inner side of the side plate 1, a cold air passage 6 is arranged in the side plate 1 between the cold-heat exchange port 4 and the air inlet 5, two ends of the cold air passage 6 are respectively communicated with the cold-heat exchange port 4 and the air inlet 5 on two sides of the cold air passage, a hot air passage 7 is arranged in the top plate 2, one end of the hot air passage 7 is communicated with the air exhaust hole 3, a second hot air passage 8 is arranged in the side plate 1, one end of the hot air passage 7 far away from the air exhaust hole 3 is communicated with the second hot air passage 8, one end of the second hot air passage 8 far away from the hot air passage 7 is communicated with the cold-heat exchange port 4; the number of the hot air passages 7 is four, the number of the second hot air passages 8, the number of the cold air passages 6, the number of the cold and heat exchange ports 4, the number of the hot air passages 7 and the number of the air inlet holes 5 are equal, the hot air passages 7 are respectively in one-to-one correspondence with the second hot air passages 8 and the cold and heat exchange ports 4, and the air inlet holes 5 are respectively in one-to-one correspondence with the cold air passages 6 and the cold and heat exchange ports 4; the hot air passages 7 are arranged in an annular array by taking the circle center of the top plate 2 as the center; a guide plate 11 for guiding the hot air to flow away from the bottom plate 14 is fixedly connected to one end of the partition plate 9 away from the side plate 1.

Principle of embodiment:

the transformation module 12 is an important component in the transformer, is composed of coils, converts 220v voltage into required voltage, is a mature prior art, and is not developed here; the utility model discloses during operation, vary voltage module 12 is used for the switching voltage, vary voltage module 12 generates heat, the temperature risees in the shell 13, exhaust fan 10 moves, send into hot-air flue 7 with the hot-air in the shell 13, then through second hot-air flue 8 from cold heat exchange mouth 4 discharge shell 13, it is corresponding, after the hot-air discharges, the internal pressure of shell 13 reduces, cold air gets into in shell 13 from inlet port 5 after cold heat exchange mouth 4, cold-air flue 6, reduce the internal temperature of shell 13, in addition, cold air gets into shell 13 and blows vary voltage module 12, reduce the temperature of vary voltage module 12, protect vary voltage module 12, baffle 9 divides hot-air and cold-air, prevent that hot-air from being inhaled in shell 13 in cold heat exchange mouth 4 again, in addition, under the effect of guide plate 11, upward movement when hot-air leaves cold heat exchange mouth 4, keep away from cold heat exchange mouth 4 as early as possible, preventing it from being sucked into the heat exchanging port 4 again.

Claims

1. A transformer comprises a shell and a transformation module positioned in the shell, wherein the shell comprises a side plate, a top plate and a bottom plate, the transformation module is fixedly connected on the bottom plate, the transformer is characterized in that an air exhaust hole is formed in the lower side of the top plate, an exhaust fan used for exhausting air is arranged in the air exhaust hole, a heat exchange port is formed in the outer side of the side plate, an air inlet hole is formed in the bottom end of the inner side of the side plate, a cold air passage is formed in the inner portion of the side plate between the heat exchange port and the air inlet hole, two ends of the cold air passage are respectively communicated with the heat exchange port and the air inlet hole on the two sides of the cold air passage, a hot air passage is formed in the top plate, one end of the hot air passage is communicated with the air exhaust hole, a second hot air passage is arranged in the side plate, one end of the hot air passage far away, and a partition board for separating cold air from hot air is arranged in the cold and heat exchange port.

2. The transformer of claim 1, wherein the top plate and the bottom plate are both circular, the side plates are cylindrical, and the top plate, the bottom plate and the side plates form a cylindrical structure.

3. The transformer according to claim 2, wherein the air exhaust hole is located at the center of the top plate.

4. The transformer according to claim 3, wherein the number of the hot air passages is two or more, the number of the second hot air passages, the number of the cold and heat exchange ports, the number of the hot air passages and the number of the air inlet holes are equal, the hot air passages are respectively in one-to-one correspondence with the second hot air passages and the cold and heat exchange ports, and the air inlet holes are respectively in one-to-one correspondence with the cold air passages and the cold and heat exchange ports.

5. A transformer according to claim 4, characterised in that the number of hot air ducts is four.

6. The transformer of claim 5, wherein the hot air ducts are arranged in an annular array centered on a center of the top plate.

7. The transformer according to claim 1 or 2 or 3 or 4 or 5 or 6, wherein a baffle plate for guiding the hot air to flow away from the bottom plate is fixed to one end of the partition plate away from the side plate.