CN218975252U - Water-cooling reactor - Google Patents

Abstract

The utility model discloses a water-cooling reactor, which is characterized by comprising an iron core, a winding and a cooling assembly positioned between the iron core and the winding, wherein the cooling assembly comprises a plurality of cooling plates, the plurality of cooling plates are respectively arranged on the periphery of the iron core and are arranged along the vertical direction of the iron core, one end of each cooling plate is attached to the outer surface of the iron core, the other end of each cooling plate is attached to the inner surface of the winding, a hollow cavity is formed in the cooling plate, a water outlet pipe is arranged at the upper part of the hollow cavity, a water inlet pipe is arranged at the lower part of the hollow cavity, the water inlet pipe is connected with an external water inlet device, and the water outlet pipe is connected with an external water outlet device. The utility model has the advantages of simple and reliable structure and good water cooling effect.

Description

Water-cooling reactor

Technical Field

The utility model relates to the technical field of reactors, in particular to a water-cooling reactor.

Background

The reactor is also called an inductor, when one conductor is electrified, a magnetic field is generated in a certain space occupied by the conductor, so that all current-carrying electric conductors have common sense of inductance, however, the inductance of an electrified long straight conductor is smaller, the generated magnetic field is not strong, and the actual reactor is in a form of a solenoid wound by a wire, namely an air-core reactor; sometimes, in order to make the solenoid have a larger inductance, a core, called a core reactor, is inserted into the solenoid. With the rapid development of power technology and the continuous improvement of the requirements of the current power equipment on high-performance and high-reliability electrical systems, the loss of power distribution devices such as reactors and the like is inevitably increased due to the continuous increase of the capacity and switching frequency of the electrical systems, and the forward large-capacity control, the reliability and the miniaturization of the frequency converter of the reactor are developed, so that the temperature control of the reactor is an important step while the energy volume of the reactor is not obviously increased.

Under the condition of coping with high-temperature working conditions, the existing reactor has the advantages that a water cooling structure is adopted to cool the reactor in a working state, and a certain protection effect is achieved on the reactor, cold water is supplied by a water inlet device through a water cooling pipeline which is communicated with a plurality of reactor units, hot water is sent out by a water outlet device, and a zigzag or spiral bending pipeline is often arranged for the cold water to fully contact with the surface of the reactor; however, such a structure is not only troublesome to manufacture, but also the bent structure cannot bear a very fast flow rate, so that the flow path of the cooling water is long and the flow time is long, resulting in a better cooling effect of the front section of the pipeline, but the water reaches the rear section, and since a large amount of heat is already absorbed in the front section, the temperature is raised, more heat cannot be absorbed again, and a small cooling effect is not achieved, the reactor unit corresponding to the rear section of the pipeline is easily overheated and damaged, and therefore, the structure needs to be improved to solve the above problems.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides the water-cooling reactor which has the advantages of simple and reliable structure and good water cooling effect.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a water-cooling reactor, includes iron core, winding and is located the cooling module between iron core and the winding, its characterized in that: the cooling assembly comprises a plurality of cooling plates, the plurality of cooling plates are respectively arranged on the periphery of the iron core and are arranged along the vertical direction of the iron core, one end of each cooling plate is attached to the outer surface of the iron core, the other end of each cooling plate is attached to the inner surface of the winding, a hollow cavity is formed in the cooling plate, a water outlet pipe is arranged on the upper portion of the hollow cavity, a water inlet pipe is arranged on the lower portion of the hollow cavity, the water inlet pipe is connected with an external water inlet device, and the water outlet pipe is connected with an external water outlet device.

The utility model is further provided with: the sections of the iron core and the winding are both square structures with rounded corners, and the cooling plate is of a thin sheet structure.

The utility model is further provided with: the cooling plates are arranged in four, and four sides of the iron core are respectively arranged on the four cooling plates.

The utility model is further provided with: and one end of the cooling plate, which is close to the winding, is provided with a high-heat-conductivity silicone grease layer.

The utility model is further provided with: still include water distribution pipeline and water collecting pipe, be provided with main water inlet on the water distribution pipeline, be provided with main delivery port on the water collecting pipe, a plurality of inlet tube on the cooling plate all is connected to outside water inlet device on the water distribution pipeline rethread main water inlet, a plurality of outlet pipe on the cooling plate all is connected on the water collecting pipe rethread main delivery port and is connected to outside water outlet device.

The utility model is further provided with: the cooling device comprises a base, a cover plate and a tension rod, wherein the iron core, the winding and the cooling assembly are arranged between the base and the cover plate and are in fastening connection through the tension rod.

In summary, the utility model has the following beneficial effects:

compared with the prior art, the cooling plate is arranged between the iron core and the winding, cold water is filled in the hollow cavity of the cooling plate from the lower side, the whole cooling plate is naturally filled with the water under the action of gravity, and the cold water in the cooling plate absorbs heat generated by the iron core and the winding at two sides and is discharged from the upper side, so that the water cooling of the reactor can be realized by continuous water supply and water discharge. And because the cooling plate is thin sheet structure, compare crooked pipeline among the prior art, the cooling plate structure can bear faster velocity of flow, and corresponding cold water gets into sooner, and hot water discharges sooner, and the radiating effect is good.

Meanwhile, the high-heat-conductivity silicone grease layer is arranged on one side of the cooling plate, which is close to the winding, and the winding is formed by spirally winding the coil, so that a certain gap exists when the winding is close to the cooling plate, the heat conduction effect is poor, and the gap can be filled by the high-heat-conductivity silicone grease layer, so that the winding and the cooling plate are in complete contact through the silicone grease layer, and the heat conduction effect is better.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the embodiment with windings removed;

FIG. 3 is an enlarged schematic view of a partial structure of the front cross section of the present embodiment;

fig. 4 is a schematic top view cross-sectional structure of the present embodiment.

Reference numerals: 1. an iron core; 2. a winding; 3. a cooling assembly; 301. a cooling plate; 4. a hollow cavity; 5. a water outlet pipe; 6. a water inlet pipe; 7. a thermally conductive silicone grease layer; 8. a water distribution pipeline; 801. a main water inlet; 9. a base; 10. a cover plate; 11. a tension rod; 12. a water collecting pipe; 1201. and a main water outlet.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a water-cooling reactor, as shown in fig. 1-4, including iron core 1, winding 2 and be located the cooling module 3 between iron core 1 and the winding 2, cooling module 3 includes a plurality of cooling plates 301, a plurality of cooling plates 301 set up the week side of iron core 1 and set up along the vertical direction of iron core 1 respectively, one end of cooling plate 301 is leaned on the surface of iron core 1, the other end is leaned on the internal surface of winding 2, specifically, the cross-section of iron core 1 and winding 2 all sets up to the square structure of rounding processing, cooling plate 301 sets up to thin sheet structure. The advantage of this is that the sheet-like structure of the cooling plate 301 is in sufficient contact with the core 1 and the windings 2, which are square in cross-section, while the sheet-like structure of the cooling plate 301 does not allow the entire reactor to be excessively bulky. Moreover, compare prior art and adopt crooked pipeline structure increase area of contact, this embodiment sets up the cooling plate into lamellar structure and can have great area of contact equally, and compare crooked pipeline, sheet-like structure is simpler production convenience, and crooked pipeline numerous bending structures are unable to bear very fast liquid velocity of flow, and sheet-like structure is because there is not numerous bending structures, make it can bear faster velocity of flow, corresponding can let the entering of cold water faster, the outflow of hot water faster, solve current crooked pipeline to a certain extent, because the flow path is long, the pipeline that flow time is long causes is good at anterior segment radiating effect, the problem that the rear end radiating effect is poor.

Further, referring to fig. 4, the cooling plates 301 are four, four cooling plates 301 are respectively arranged on four sides of the iron core 1, the four sides of the iron core 1 are conducted heat and cooled by the four cooling plates 301, and meanwhile, the cooling plates 301 are in contact with four sides of the inner wall of the winding 2, so that the four cooling plates 301 can uniformly carry heat on the four sides of the iron core and the winding, and the heat dissipation effect is good.

Further, referring to fig. 3 to 4, a hollow cavity 4 is provided in the cooling plate 301, a water outlet pipe 5 is provided at the upper part of the hollow cavity 4, a water inlet pipe 6 is provided at the lower part of the hollow cavity 4, the water inlet pipe 6 is connected with an external water inlet device, the water outlet pipe 5 is connected with an external water outlet device, specifically, the cooling plate further comprises a water distribution pipe 8 and a water collection pipe 12, a main water inlet 801 is provided on the water distribution pipe 8, a main water outlet 1201 is provided on the water collection pipe 12, the water inlet pipes 6 on a plurality of cooling plates 301 are all connected to the water distribution pipe 8 and then connected to the external water inlet device through the main water inlet 801, and the water outlet pipes 5 on a plurality of cooling plates 301 are all connected to the water collection pipe 12 and then connected to the external water outlet device through the main water outlet 1201; when the cooling device is used, cold water enters the water distribution pipeline 8 from the main water inlet 801 at the lower part, enters the hollow cavity 4 of the cooling plate through the water inlet pipes 6 and fills the whole hollow cavity, so that heat generated by the winding and the iron core is absorbed by the cold water in the cooling plate to achieve the cooling effect, and along with continuous water inlet at the lower part, hot water absorbing the heat enters the water collection pipeline 12 from the water outlet pipes 5 at the upper part and finally is discharged to the external water outlet device from the main water outlet 1201, thereby realizing circulating water cooling.

Further, the end of the cooling plate 301, which is close to the winding 2, is provided with the high thermal conductivity silicone grease layer 7, and since the winding 2 is formed by a wire which is spirally upward (the winding is further wrapped with an insulating material, so that a spiral structure is not shown in the figure), a gap exists when the cooling plate 301 is close to the winding 2, so that the winding 2 is difficult to be in complete contact with the surface of the cooling plate 301, the surface of the cooling plate 301 is provided with the high thermal conductivity silicone grease layer 7, and the gap is filled with the thermal conductivity silicone grease, so that heat generated by the winding can be fully discharged through the cooling plate 301. Preferably, the high heat conduction silicone grease is prepared by adopting nitrides such as boron nitride and the like as heat conduction fillers and organic silicone oil suitable for the fillers, has good heat conduction performance and can meet the heat dissipation requirement of the reactor.

Further, the reactor further comprises a base 9, a cover plate 10 and a tension rod 11, and the iron core 1, the winding 2 and the cooling assembly 3 are all arranged between the base 9 and the cover plate 10 and are fastened and connected through the tension rod 11.

The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the design concept of the present utility model should be included in the scope of the present utility model.

Claims (6)

1. The utility model provides a water-cooling reactor, includes iron core (1), winding (2) and is located cooling module (3) between iron core (1) and winding (2), its characterized in that: the cooling assembly (3) comprises a plurality of cooling plates (301), wherein the cooling plates (301) are respectively arranged on the periphery of the iron core (1) and are arranged along the vertical direction of the iron core (1), one end of each cooling plate (301) is attached to the outer surface of the iron core (1), the other end of each cooling plate is attached to the inner surface of the corresponding winding (2), a hollow cavity (4) is formed in the cooling plate (301), a water outlet pipe (5) is arranged on the upper portion of each hollow cavity (4), a water inlet pipe (6) is arranged on the lower portion of each hollow cavity, the water inlet pipe (6) is connected with an external water inlet device, and the water outlet pipe (5) is connected with an external water outlet device.

2. A water-cooled reactor as claimed in claim 1, wherein: the sections of the iron core (1) and the winding (2) are both square structures with rounded corners, and the cooling plate (301) is of a thin sheet structure.

3. A water-cooled reactor according to claim 1 or 2, characterized in that: the number of the cooling plates (301) is four, and the four cooling plates (301) are respectively provided with four sides of the iron core (1).

4. A water-cooled reactor as claimed in claim 1, wherein: and one end of the cooling plate (301) which is close to the winding (2) is provided with a high-heat-conductivity silicone grease layer (7).

5. A water-cooled reactor as claimed in claim 1, wherein: still include water distribution pipeline (8) and water collecting pipeline (12), be provided with main water inlet (801) on water distribution pipeline (8), be provided with main delivery port (1201) on water collecting pipeline (12), a plurality of inlet tube (6) on cooling plate (301) are all connected on water distribution pipeline (8) rethread main water inlet (801) are connected to outside water inlet device, a plurality of outlet pipe (5) on cooling plate (301) are all connected on water collecting pipeline (12) rethread main delivery port (1201) are connected to outside water outlet device.

6. A water-cooled reactor as claimed in claim 1, wherein: still include base (9), apron (10) and take-up lever (11), iron core (1), winding (2) and cooling module (3) all set up between base (9) and apron (10), and pass through take-up lever (11) fastening connection.

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