CN214848073U

CN214848073U - Large-current coil inductor

Info

Publication number: CN214848073U
Application number: CN202120525646.7U
Authority: CN
Inventors: 易伟; 杨金玉
Original assignee: Shenzhen Weifengda Industrial Co ltd
Current assignee: Shenzhen Weifengda Industrial Co ltd
Priority date: 2021-03-13
Filing date: 2021-03-13
Publication date: 2021-11-23
Anticipated expiration: 2031-03-13

Abstract

The utility model relates to an inductor technical field just discloses a heavy current coil inductor, including last shrouding, the bottom fixedly connected with outer sealing shell of going up the shrouding, shrouding at the bottom of the bottom fixedly connected with of outer sealing shell, go up fixedly connected with iron core between shrouding and the end shrouding, two recesses, two have been seted up in the outside of iron core the equal fixedly connected with heat conduction piece in inside of recess, the iron core constitutes cylindric whole with the heat conduction piece jointly. The utility model discloses a cooperation through last shrouding and envelope and end shrouding is used for the device forms the confined whole, participates in two and is connected to the circuit board, and the electric current is through the conductor circle, and the cooperation iron core carries out work, and the heat direction radiating block that two inside heat conduction pieces of recess produced the device operation distributes the heat through the fin, thereby has realized that the device possesses that the radiating effect is good, increase of service life, job stabilization's advantage.

Description

Large-current coil inductor

Technical Field

The utility model relates to an inductor technical field specifically is a heavy current coil inductor.

Background

An inductor is a component capable of converting electric energy into magnetic energy for storage, the inductor is similar to a transformer in structure but has only one winding, the inductor has a certain inductance which only hinders the change of current, and if the inductor is in a state that no current flows, the inductor tries to hinder the current from flowing through the inductor when a circuit is switched on; if the inductor is in a state of passing current, the inductor tries to maintain the current unchanged when the circuit is disconnected, and the inductor is also called a choke, a reactor and a dynamic reactor.

The conventional large-current coil inductor has the defects that the internal temperature is too high, the working stability of the inductor is affected and the service life of the inductor is shortened due to insufficient heat dissipation performance because the internal current value passing through the inductor is high, a large amount of heat can be generated after long-term working, and the conventional large-current coil inductor is used for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a big current coil inductor, it is good to possess the radiating effect, increase of service life, job stabilization's advantage has solved current big current coil inductor, because its inside electric current numerical value that passes through is high, long-term work can produce a large amount of heats, and its heat dispersion is not enough, leads to inside high temperature easily, influences the job stabilization nature of inductor to shorten the problem in the life-span of inductor.

(II) technical scheme

For realizing that above-mentioned radiating effect is good, increase of service life, job stabilization's purpose, the utility model provides a following technical scheme: the utility model provides a large current coil inductor, includes the last shrouding, the bottom fixedly connected with envelope of going up the shrouding, the shrouding at the bottom of the bottom fixedly connected with of envelope, go up the fixedly connected with iron core between shrouding and the end shrouding, two recesses have been seted up in the outside of iron core, two the equal fixedly connected with heat conduction piece in inside of recess, the iron core forms cylindric whole with the heat conduction piece jointly, the outside cover of iron core is equipped with the conductor circle, the top of the supreme shrouding of fixed connection is run through on the heat conduction piece top.

Preferably, the top of the bottom sealing plate is fixedly connected with two connectors, and two ends of the conductive coil are respectively and fixedly connected to the tops of the two connectors.

Preferably, the bottom of the bottom sealing plate is fixedly connected with two pins, and the two pins are respectively and fixedly connected with the two plug connectors through conductors.

Preferably, the tops of the two heat conducting blocks are fixedly connected with radiating blocks, and radiating fins which are arranged equidistantly are fixedly connected to the outer sides of the radiating blocks.

Preferably, a shielding layer is fixedly connected to the inside of the outer envelope, and the shielding layer is a single-layer aluminum oxide metal layer.

Preferably, the shielding layer is fixedly connected with a heat absorption block, the inside of the heat absorption block is in close contact with the outer side of the conductor coil, a cavity is formed in the heat absorption block, and cooling liquid is filled in the cavity.

(III) advantageous effects

Compared with the prior art, the utility model provides a large current coil inductor possesses following beneficial effect:

1. the high-current coil inductor is matched with the upper sealing plate, the outer sealing shell and the bottom sealing plate, so that the device forms a closed whole, the two pins are connected into the circuit board, the current passes through the conductive coil and works in cooperation with the iron core, the heat conducting blocks in the two grooves guide the heat generated by the operation of the device to the heat radiating block and radiate the heat through the heat radiating fins, and the heat absorption block can effectively reduce a large amount of heat generated by large current passing through the device by matching with the cooling liquid in the cavity, thereby realizing the advantages of good heat dissipation effect, prolonged service life and stable work of the device, solving the problems that the prior large-current coil inductor can generate a large amount of heat after long-term work due to high value of current passing through the interior of the inductor, the heat dissipation performance is insufficient, the internal temperature is easily overhigh, the working stability of the inductor is influenced, and the service life of the inductor is shortened.

2. This heavy current coil inductor connects the coil of conducting through connecting the convenience for device layout structure is more reasonable.

3. This heavy current coil inductor is inserted the convenience through two and is fixed the device on the circuit board to realize the circular telegram, make the installation of device fixed more convenient.

4. The large-current coil inductor increases the heat dissipation efficiency and the continuous heat dissipation performance of the device by matching the heat dissipation block with the heat dissipation fins.

5. The high-current coil inductor can isolate the device from external electromagnetic interference through the shielding layer, and keeps the operating temperature of the device.

6. According to the large-current coil inductor, the capacity of instantly bearing current of the device is enhanced through the heat absorption block and the cold zone liquid in the cavity, the stability is better, and the service life is longer.

7. The large-current coil inductor increases the contact area between the device and the air through the heat dissipation bumps, so that the overall heat dissipation effect of the device is enhanced.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic front perspective view of the heat absorption block connected to the coil according to the present invention;

fig. 3 is a schematic front view of the three-dimensional structure of the present invention.

In the figure: 1. an upper sealing plate; 2. an outer envelope; 21. a shielding layer; 22. a heat absorbing block; 23. a cavity; 24. a heat dissipating bump; 3. a bottom sealing plate; 31. a joint; 32. a pin; 4. an iron core; 5. a groove; 6. a heat conducting block; 61. a heat dissipating block; 62. a heat sink; 7. a conductive coil.

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. 1-3, a large current coil inductor comprises an upper sealing plate 1, an outer sealing plate 2 fixedly connected to the bottom of the upper sealing plate 1, a bottom sealing plate 3 fixedly connected to the bottom of the outer sealing plate 2, an iron core 4 fixedly connected between the upper sealing plate 1 and the bottom sealing plate 3, two grooves 5 formed on the outer side of the iron core 4, heat-conducting blocks 6 fixedly connected to the inner sides of the two grooves 5, the iron core 4 and the heat-conducting blocks 6 jointly form a cylindrical whole, a coil 7 is sleeved on the outer side of the iron core 4, the top ends of the heat-conducting blocks 6 penetrate through and are fixedly connected to the top of the upper sealing plate 1, the device forms a closed whole by matching the upper sealing plate 1, the outer sealing plate 2 and the bottom sealing plate 3, two pins 32 are connected to a circuit board, current passes through the coil 7 to work in cooperation with the iron core 4, the heat-conducting blocks 6 in the two grooves 5 guide heat generated by the operation of the device to a heat-dissipating block 61 to dissipate the heat via a heat-dissipating fin 62, and the heat absorption block 22 cooperates with the cooling liquid in the cavity 23 to effectively reduce a large amount of heat generated by a large current passing through the device, thereby realizing the advantages of good heat dissipation effect, prolonged service life and stable operation of the device, and solving the problems that the conventional large-current coil inductor generates a large amount of heat due to high value of current passing through the inductor, the heat dissipation performance is insufficient, the internal temperature is easily overhigh, the working stability of the inductor is influenced and the service life of the inductor is shortened.

Further, two joints 31 of the top fixedly connected with of end shrouding 3, two ends of wire circle 7 are fixedly connected to the top of two joints 31 respectively, conveniently dock wire circle 7 through connecting 31 for device layout structure is more reasonable.

Further, two pins 32 of bottom fixedly connected with of end shrouding 3, two pins 32 are respectively through conductor and two bayonet joint 31 fixed connection, and it is convenient to fix the device on the circuit board to participate in 32 through two to realize the circular telegram, make the installation of device fixed more convenient.

Further, the tops of the two heat conducting blocks 6 are fixedly connected with radiating blocks 61, the outer sides of the radiating blocks 61 are fixedly connected with radiating fins 62 which are arranged at equal intervals, and the radiating efficiency and the continuous radiating performance of the device are improved through the matching of the radiating blocks 61 and the radiating fins 62.

Furthermore, the shielding layer 21 is fixedly connected to the inside of the outer envelope 2, the shielding layer 21 is a single-layer aluminum oxide layer, and the shielding layer 21 can isolate the device from electromagnetic interference with the outside and maintain the operating temperature of the device.

Further, the inside fixedly connected with heat absorption block 22 of shielding layer 21, the inside of heat absorption block 22 and the outside in close contact with of wire circle 7, cavity 23 has been seted up to heat absorption block 22's inside, and the inside packing of cavity 23 has the coolant liquid, through the inside cold district liquid of heat absorption block 22 and cavity 23 for the ability of bearing the electric current in the twinkling of an eye of device is strengthened, and the better life of stability is longer.

Further, the outside fixedly connected with of outer capsule 2 has the heat dissipation lug 24 that the equidistance was arranged, the top and the bottom of heat dissipation lug 24 respectively fixedly connected to the relative one side of supreme shrouding 1 and end shrouding 3 through heat dissipation lug 24 increase the area of contact of device and air to the whole radiating effect of reinforcing device.

The working principle is as follows: when the large-current coil inductor is used, two pins 32 are connected to a circuit board firstly, current passes through the conductive coil 7, the matching iron core 4 works, the heat conducting blocks 6 inside the two grooves 5 conduct heat generated by the device to the heat radiating block 61, the heat is radiated through the heat radiating fins 62, and the cooling liquid inside the heat absorbing block 22 and the cavity 23 can effectively reduce a large amount of heat generated by the large current passing through the device, so that the device has good heat radiating effect, the service life is prolonged, the working stability is high, the existing large-current coil inductor is solved, because the current value passing through the inductor is high, a large amount of heat can be generated by long-term working, the heat radiating performance is not enough, the internal temperature is easily overhigh, the working stability of the inductor is influenced, and the service life of the inductor is shortened.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

1. A high-current coil inductor comprises an upper sealing plate (1), and is characterized in that: go up bottom fixedly connected with outer capsule (2) of shrouding (1), shrouding (3) at the bottom fixedly connected with of outer capsule (2), go up fixedly connected with iron core (4) between shrouding (1) and the end shrouding (3), two recess (5) have been seted up in the outside of iron core (4), two the equal fixedly connected with heat conduction piece (6) in inside of recess (5), cylindric whole is constituteed jointly with heat conduction piece (6) in iron core (4), the outside cover of iron core (4) is equipped with conductor circle (7), the top of supreme shrouding (1) of fixed connection is run through and on heat conduction piece (6) top.

2. A high current coil inductor according to claim 1 wherein: the top of bottom seal board (3) is fixedly connected with two connectors (31), two ends of wire circle (7) are respectively fixedly connected to the top of two connectors (31).

3. A high current coil inductor according to claim 2 wherein: the bottom of the bottom sealing plate (3) is fixedly connected with two pins (32), and the two pins (32) are fixedly connected with two plug-in connectors (31) through conductors respectively.

4. A high current coil inductor according to claim 1 wherein: the top parts of the two heat conducting blocks (6) are fixedly connected with radiating blocks (61), and radiating fins (62) which are arranged at equal intervals are fixedly connected to the outer sides of the radiating blocks (61).

5. A high current coil inductor according to claim 1 wherein: the shielding layer (21) is fixedly connected to the inner part of the outer enclosure (2), and the shielding layer (21) is a single-layer aluminum oxide metal layer.

6. A high current coil inductor according to claim 5 wherein: the heat-absorbing coil is characterized in that a heat-absorbing block (22) is fixedly connected to the inside of the shielding layer (21), the inside of the heat-absorbing block (22) is in close contact with the outer side of the conductive coil (7), a cavity (23) is formed in the inside of the heat-absorbing block (22), and cooling liquid is filled in the cavity (23).

7. A high current coil inductor according to claim 1 wherein: the outer side of the outer sealing shell (2) is fixedly connected with radiating lugs (24) which are arranged equidistantly, and the top and the bottom of each radiating lug (24) are respectively and fixedly connected to the opposite sides of the upper sealing plate (1) and the bottom sealing plate (3).