CN209766184U - Transformer heat radiation structure - Google Patents

Abstract

the utility model relates to the technical field of transformers, in particular to a transformer heat dissipation structure, which comprises a heat dissipation shell and a lower shell, wherein the transformer body is arranged outside the transformer body, the lower shell is fixed at the bottom of the transformer body, one end of the transformer body is provided with a power interface, the upper surface of the transformer body is provided with a heat dissipation sheet, a circular groove is formed in the heat dissipation sheet, a heat radiator is arranged in the circular groove, and the transformer body is fixedly connected with the inner wall of one side of the heat dissipation shell; when people need install the cable on power source, connect the one end of cable on power source earlier, screw up the bolt that corresponds on power source, change the direction with the picture peg of cable top again for the card wire casing is down, and the picture peg is close to the one end of slot and inserts in the slot, thereby has improved the leakproofness of wiring window department, has avoided the mosquito to enter into the heat dissipation casing by wiring window department and has influenced the heat dissipation, has still reduced the risk of transformer body short circuit.

Description

Transformer heat radiation structure

Technical Field

The utility model relates to a transformer field especially relates to a transformer heat radiation structure.

background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, main components are a primary coil, a secondary coil and an iron core magnetic core, and the transformer has the following main functions: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization magnetic saturation transformer and the like, which can be divided into the following according to purposes: the transformer comprises a power transformer, a special transformer, a furnace transformer, a rectification transformer, a power frequency test transformer, a voltage regulator, a mining transformer, an audio transformer, a medium-frequency transformer, a high-frequency transformer, an impact transformer, an instrument transformer, an electronic transformer, a reactor, a mutual inductor and the like.

When the existing lighting transformer is used, mosquitoes are easy to attract and enter due to high temperature, and the mosquitoes enter the transformer, so that the heat dissipation of the transformer is influenced, and the disconnection is possibly caused;

moreover, the lighting transformer is mostly located outdoors, and the original heat dissipation structure can reduce the rain-proof performance of the transformer.

In order to solve the above problems, a transformer heat dissipation structure is provided in the present application.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a transformer heat radiation structure, the utility model discloses the technical problem who solves, the technical scheme summary, the technological effect summary).

(II) technical scheme

In order to solve the above problems, the present invention provides a transformer heat dissipation structure, which includes a heat dissipation casing mounted outside the transformer body and a lower casing fixed at the bottom of the transformer body;

A power interface is installed at one end of the transformer body, a radiating fin is installed on the upper surface of the transformer body, a circular groove is formed in the radiating fin, and a radiator is installed in the circular groove;

The transformer body is fixedly connected with the inner wall of one side of the heat dissipation shell, grooves are formed in the left side and the right side of the heat dissipation shell, a top cover is fixedly connected to the top end of the heat dissipation shell, the outer side wall of the heat dissipation shell is close to the grooves, and exhaust grooves are formed in positions close to the inner part of the top cover;

The casing with the bottom fixed connection of heat dissipation casing down, just power source runs through the bottom of heat dissipation casing, and extend to it is internal to descend the casing, the both sides of casing are close to down the water drainage tank has been seted up to the below of recess, keeping away from of casing down the wiring window has been seted up to one side of heat dissipation casing, the spout has been seted up to the upper surface of casing down, just sliding connection has the picture peg in the spout, the card wire casing has been seted up to the one end of picture peg, the filter-tank has been seted up on the card wire casing, just install the radiator-grid in the filter-tank, the inner wall of casing is close to down the slot has been seted up to the below of picture peg, the picture peg.

Preferably, the radiator mainly comprises a motor and radiating blades, the radiating blades are fixedly connected with an output shaft of the motor, and the motor is installed in the circular groove.

Preferably, the number of the circular grooves is two, the radiators are installed in the two circular grooves, and the exhaust grooves in the radiators point to the exhaust grooves.

Preferably, one end of the drainage groove extends to the lower part of the groove, and the other end of the drainage groove extends to the left side and the right side of the lower shell.

preferably, the number of the inserting plates is not less than five, and the inserting plates, the inserting grooves and the sliding grooves are the same in number.

Preferably, the inner wall of the slot is provided with a rubber pad.

The above technical scheme of the utility model has following profitable technological effect:

1. When people need install the cable on power source, connect the one end of cable on power source earlier, screw up the bolt that corresponds on power source, change the direction with the picture peg of cable top again for the card wire casing is down, and the picture peg is close to the one end of slot and inserts in the slot, thereby has improved the leakproofness of wiring window department, has avoided the mosquito to enter into the heat dissipation casing by wiring window department and has influenced the heat dissipation, has still reduced the risk of transformer body short circuit.

2. When the temperature of the transformer body rises, heat is gradually transferred to the heat dissipation fins, the heat dissipation device is started, high-temperature gas in the heat dissipation grooves on the heat dissipation fins is blown out by the air exhaust grooves, the air exhaust grooves are located in the grooves and located below the top cover, so that rainwater cannot flow into the heat dissipation shell, the rainwater can flow downwards along the grooves and the water drainage grooves, along with continuous extraction of air in the heat dissipation shell, normal-temperature gas outside the heat dissipation shell enters the heat dissipation shell through the heat dissipation net for circular heat dissipation, the original heat dissipation effect is guaranteed, and meanwhile the rainproof performance of the heat dissipation shell is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic sectional view of the present invention.

Fig. 3 is a schematic structural diagram of the middle insert plate of the present invention.

Fig. 4 is a schematic bottom view of the lower and middle shells of the present invention.

reference numerals:

1. A transformer body; 11. a power interface; 12. a heat sink; 13. a circular groove; 14. a heat sink; 2. a heat dissipating housing; 21. a groove; 22. a top cover; 23. an exhaust groove; 3. a lower housing; 31. a water discharge tank; 32. a wiring window; 33. a chute; 34. inserting plates; 35. a wire clamping groove; 36. a heat-dissipating web; 37. a slot; 4. an electrical cable.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the heat dissipation structure of the transformer provided by the present invention comprises a transformer body 1, a heat dissipation casing 2 installed outside the transformer body 1, and a lower casing 3 fixed at the bottom of the transformer body 1;

One end of the transformer body 1 is provided with a power interface 11, the upper surface of the transformer body 1 is provided with a radiating fin 12, a circular groove 13 is formed in the radiating fin 12, and a radiator 14 is arranged in the circular groove 13;

the transformer body 1 is fixedly connected with the inner wall of one side of the heat dissipation shell 2, grooves 21 are formed in the left side and the right side of the heat dissipation shell 2, a top cover 22 is fixedly connected to the top end of the heat dissipation shell 2, the outer side wall of the heat dissipation shell 2 is close to the grooves 21, and an exhaust groove 23 is formed in the position close to the inside of the top cover 22;

lower casing 3 and heat dissipation casing 2's bottom fixed connection, and power source 11 runs through heat dissipation casing 2's bottom, and extend to casing 3 down in, drainage channel 31 has been seted up to the below that lower casing 3's both sides are close to recess 21, wiring window 32 has been seted up to one side of keeping away from heat dissipation casing 2 of casing 3 down, spout 33 has been seted up to lower casing 3's upper surface, and sliding connection has picture peg 34 in the spout 33, card wire casing 35 has been seted up to the one end of picture peg 34, the rose tank has been seted up on the card wire casing 35, and install radiator-grid 36 in the rose tank, slot 37 has been seted up to the below that lower casing 3's inner wall is close to picture peg 34, picture peg 34.

In the embodiment, the type of the transformer body 1 is S-120-12, and the transformer body 1 can convert household 220V voltage into 12V lighting electricity.

in this embodiment, the type of the heat sink 14 is TF1125HA2B, the heat sink 14 is internally composed of a motor and heat dissipation blades, and the output shaft drives the heat dissipation blades to dissipate heat from the heat dissipation fins 12.

In the utility model, the radiator 14 is firstly connected with an external power supply in the using process, when the temperature of the transformer body 1 rises, the heat is gradually transferred to the radiating fins 12, the radiator 14 is started, the high-temperature gas in the radiating grooves on the radiating fins 12 is blown out by the radiator 14 through the exhaust groove 23, because the exhaust groove 23 is positioned in the groove 21 and below the top cover 22, the rainwater can not flow into the radiating shell 2, the rainwater can flow downwards along the groove 21 and the drainage groove 31, along with the continuous extraction of the air in the radiating shell 2, the normal temperature gas outside the radiating shell 2 enters the radiating shell 2 through the radiating net 36 for circulating radiation, the rainproof performance of the radiating shell 2 is improved while the original radiating effect is ensured, the service life of the transformer body 1 is prolonged, when people need to install the cable 4 on the power supply interface 11, one end of the cable 4 is connected to the power interface 11, a corresponding bolt on the power interface 11 is screwed, the direction of the inserting plate 34 above the cable 4 is changed, the wire clamping groove 35 faces downwards, one end of the inserting plate 34 close to the slot 37 is inserted into the slot 37, the sealing performance of the wire connecting window 32 is improved, mosquitoes are prevented from entering the heat dissipation shell 2 from the wire connecting window 32 to affect heat dissipation, the risk of short circuit of the transformer body 1 is reduced, the inserting plate 34 above the cable 4 is not connected, the wire clamping groove 35 can be upwards inserted into the slot 37 in the direction of the wire clamping groove 35, the wire clamping groove 35 cannot be exposed outside, and the mosquitoes are prevented from entering the heat dissipation shell 2 from the wire clamping groove 35.

As shown in fig. 2, the heat sink 14 mainly comprises a motor and a heat dissipating blade, the heat dissipating blade is fixedly connected with an output shaft of the motor, and the motor is installed in the circular groove 13.

It should be noted that the motor drives the heat dissipation blades to rotate, so as to draw out the hot air from the heat dissipation housing 2.

As shown in fig. 2, the number of the circular grooves 13 is two, and the heat sinks 14 are mounted in both of the circular grooves 13, and the exhaust grooves provided in the fins 12 are directed to the exhaust grooves 23.

the hot air generated in the heat radiating fins 12 is discharged to the outside of the heat radiating case 2 through the exhaust duct 23.

As shown in fig. 2, one end of the drain groove 31 extends below the groove 21, and the other end extends to the left and right sides of the lower case 3.

It should be noted that the rainwater flows out along the drain groove 31.

as shown in fig. 1, the number of the insert plates 34 is not less than five, and the number of the insert plates 34, the number of the inserting grooves 37 and the number of the sliding grooves 33 are the same.

As shown in fig. 1, rubber pads are mounted on the inner walls of the slots 37.

It should be noted that the rubber pad in the slot 37 increases the friction between the inserting plate 34 and the slot 37, so as to prevent the inserting plate 34 from falling off naturally.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (6)

1. A transformer heat dissipation structure is characterized by comprising a transformer body (1), a heat dissipation shell (2) and a lower shell (3), wherein the heat dissipation shell (2) is installed outside the transformer body (1), and the lower shell (3) is fixed at the bottom of the transformer body (1);

A power interface (11) is installed at one end of the transformer body (1), a radiating fin (12) is installed on the upper surface of the transformer body (1), a circular groove (13) is formed in the radiating fin (12), and a radiator (14) is installed in the circular groove (13);

the transformer body (1) is fixedly connected with the inner wall of one side of the heat dissipation shell (2), grooves (21) are formed in the left side and the right side of the heat dissipation shell (2), a top cover (22) is fixedly connected to the top end of the heat dissipation shell (2), the outer side wall of the heat dissipation shell (2) is close to the grooves (21), and an exhaust groove (23) is formed in the position close to the inside of the top cover (22);

The lower shell (3) is fixedly connected with the bottom of the heat dissipation shell (2), the power interface (11) penetrates through the bottom of the heat dissipation shell (2) and extends into the lower shell (3), a water drainage groove (31) is formed below the two sides of the lower shell (3) close to the groove (21), a wiring window (32) is formed in one side of the lower shell (3) far away from the heat dissipation shell (2), a sliding groove (33) is formed in the upper surface of the lower shell (3), a plug board (34) is connected in the sliding groove (33) in a sliding mode, a wire clamping groove (35) is formed in one end of the plug board (34), a filtering groove is formed in the wire clamping groove (35), a heat dissipation net (36) is installed in the filtering groove, a slot (37) is formed below the inner wall of the lower shell (3) close to the lower portion of the plug board (34), the plug board (34) is plugged with the slot (37).

2. The transformer heat dissipation structure according to claim 1, wherein the heat sink (14) mainly comprises a motor and a heat dissipation blade, the heat dissipation blade is fixedly connected with an output shaft of the motor, and the motor is installed in the circular groove (13).

3. The transformer heat dissipation structure according to claim 1, wherein the number of the circular grooves (13) is two, and a heat sink (14) is mounted in each of the two circular grooves (13), and the heat dissipation fins (12) have air discharge grooves directed toward the air discharge grooves (23).

4. The transformer heat dissipation structure according to claim 1, wherein one end of the drain groove (31) extends below the groove (21), and the other end extends to the left and right sides of the lower case (3).

5. The transformer heat dissipation structure according to claim 1, wherein the number of the insertion plates (34) is not less than five, and the number of the insertion plates (34) is the same as that of the insertion grooves (37) and the sliding grooves (33).

6. The transformer heat dissipation structure according to claim 1, wherein a rubber pad is mounted on an inner wall of the insertion groove (37).