CN212625077U - Novel oil-cooled frequency converter cooling device - Google Patents

Abstract

The utility model relates to a converter cooling field specifically is a novel oil cools off converter cooling device, the power distribution box comprises a box body, department fixed mounting has the otter board in the middle of the inner chamber of box, the bottom fixed mounting of otter board has violently the pipe, the inner chamber bottom fixed mounting of box has the oil tank, the top fixed mounting of oil tank has the liquid pump, the inlet of liquid pump passes through second pipe and oil tank intercommunication, the liquid outlet of liquid pump passes through the third pipe and the bottom right side intercommunication of violently managing. The utility model discloses an in letting in the water tank with the heat that fluid was derived, refrigerate through the semiconductor cooler in the water tank to can cool off fast, thereby the effectual refrigerated effect that has promoted, it is comparatively practical, be fit for extensively promoting and use.

Description

Novel oil-cooled frequency converter cooling device

Technical Field

The utility model relates to a converter cooling field specifically is a novel oil-cooled converter cooling device.

Background

The current speed regulation technology of the frequency converter is widely used on a motor, the frequency converter is a key part for frequency conversion regulation, a large amount of heat can be generated during working, the service life and the performance of the frequency converter are directly influenced, the frequency converter is mostly cooled in an oil cooling mode, and various cooling devices on the market still have various problems.

The prior patent 201921338079 discloses a novel oil-cooled frequency converter cooling device, which comprises a cooling device main body, a heat dissipation mechanism and a fixing mechanism, wherein the cooling device main body comprises a frequency conversion box, a fan box, a heat dissipation box, an oil pump, an oil tank, an oil outlet pipe, an oil inlet pipe, a heat absorption pipe, a ventilation net and a frame, the heat dissipation mechanism comprises a heat absorption block, the heat absorption block is positioned on one side inside the oil tank, a heat absorption sheet B is arranged on the outer surface of the heat absorption block, a heat dissipation block is arranged on one side of the outer surface of the oil tank, a heat dissipation sheet A is arranged on the outer surface of the heat dissipation block, a heat absorption sheet A is arranged on the outer; through install heat absorption piece and radiating block additional respectively in the oil tank inboard with the outside for the cooling oil absorbs thermal speed, has promoted cooling device main part heat dispersion, through install the slider additional in frame one side four corners, has also accelerated the interior air flow of frequency conversion case simultaneously, has further promoted the cooling rate of converter.

The device of above-mentioned patent design is in the use, and when ambient temperature was higher, the heat that derives gived off slower to can influence the radiating effect at all, the absorption heat conductivility of heat absorption piece and heat pipe is general moreover, thereby further influences the radiating effect. Therefore, we propose a new cooling device for oil-cooled frequency converter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel cold converter cooling device of oil has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel cooling device for an oil-cooled frequency converter comprises a box body, wherein a screen plate is fixedly mounted in the middle of an inner cavity of the box body, a transverse pipe is fixedly mounted at the bottom of the screen plate, an oil tank is fixedly mounted at the bottom of the inner cavity of the box body, a liquid pump is fixedly mounted at the top of the oil tank, a liquid inlet of the liquid pump is communicated with the oil tank through a second guide pipe, a liquid outlet of the liquid pump is communicated with the right side of the bottom of the transverse pipe through a third guide pipe, and the left side of the bottom of the transverse pipe is communicated with the left;

the upper surface of the transverse pipe is fixedly provided with a heat conduction pipe, and the heat conduction pipe penetrates through the screen plate;

the bottom of the box body is fixedly provided with a water tank, the right end face of the water tank is fixedly provided with a semiconductor refrigerator, and the refrigerating end of the semiconductor refrigerator is inserted into the inner cavity of the water tank.

As an optimal implementation mode of the utility model, the through-hole has been seted up to the right side wall downside of box, the fan is installed to the inner chamber of through-hole.

As a preferred embodiment of the utility model, the inner chamber bottom fixed mounting of oil tank has first heat conduction post, the outer wall fixed mounting of first heat conduction post has first conducting strip, the bottom fixed mounting of oil tank has the second heat conduction post, the second heat conduction post runs through box and water tank and pegs graft in the inner chamber of water tank, the outer wall downside fixed mounting of second heat conduction post has the inner chamber that second conducting strip and second conducting strip arranged in the water tank.

As a preferred embodiment of the present invention, the inner cavity of the heat conducting pipe is filled with silicone grease.

As a preferred embodiment of the present invention, the front side wall of the box body is hinged to a box door.

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

1. the utility model discloses a novel oil-cooled converter cooling device, through let in the water tank with the heat that fluid was derived in, refrigerate through the semiconductor cooler in the water tank to can cool off fast, thereby the effectual refrigerated effect that has promoted.

2. The utility model discloses a novel cold converter cooling device of oil, silicone grease through the heat pipe inner chamber packing, can maximize derive the heat with the converter to compare in the heat conductivility of heat absorbing fin in the past, the effect is more, thereby indirect promotion radiating performance.

3. The utility model discloses a novel oil-cooled converter cooling device through the fan that is provided with, can carry out the forced air cooling to when ambient temperature is lower, can directly utilize the forced air cooling can, practiced thrift certain electric energy to a certain extent.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of the overall structure of the cooling device of the oil-cooled frequency converter of the present invention;

FIG. 2 is a schematic diagram of the structure of the oil tank inner cavity of the cooling device of the oil-cooled frequency converter of the present invention;

fig. 3 is the schematic view of the heat pipe structure of the cooling device of the oil-cooled frequency converter of the present invention.

In the figure: 1. a box body; 2. a screen plate; 3. a transverse tube; 4. an oil tank; 5. a first conduit; 6. a second conduit; 7. a liquid pump; 8. a third conduit; 9. a through hole; 10. A fan; 11. a heat conducting pipe; 12. a water tank; 13. a semiconductor refrigerator; 14. a first thermally conductive post; 15. a first thermally conductive sheet; 16. a second thermally conductive post; 17. a second thermally conductive sheet; 18. and (3) silicone grease.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-3, the present invention provides a technical solution: a novel cooling device for an oil-cooled frequency converter comprises a box body 1, wherein a screen plate 2 is fixedly mounted in the middle of an inner cavity of the box body 1, a transverse pipe 3 is fixedly mounted at the bottom of the screen plate 2, an oil tank 4 is fixedly mounted at the bottom of the inner cavity of the box body 1, a liquid pump 7 is fixedly mounted at the top of the oil tank 4, a liquid inlet of the liquid pump 7 is communicated with the oil tank 4 through a second pipe 6, a liquid outlet of the liquid pump 7 is communicated with the right side of the bottom of the transverse pipe 3 through a third pipe 8, and the left side of the bottom of the transverse pipe 3 is communicated with the left side of the top;

the upper surface of the transverse pipe 3 is fixedly provided with a heat conduction pipe 11, and the heat conduction pipe 11 penetrates through the screen plate 2;

referring to fig. 1, in the embodiment, specifically, the temperature is taken away by oil liquid and then is transferred to water in the water tank 12, and the semiconductor refrigerator 13 refrigerates, so that the temperature is rapidly reduced.

In this embodiment, referring to fig. 1, a through hole 9 is formed in a lower side of a right side wall of the box body 1, a fan 10 is installed in an inner cavity of the through hole 9, and specifically, the fan 10 can perform air cooling and heat dissipation.

In this embodiment, referring to fig. 2, a first heat-conducting column 14 is fixedly installed at the bottom of an inner cavity of an oil tank 4, a first heat-conducting fin 15 is fixedly installed on an outer wall of the first heat-conducting column 14, a second heat-conducting column 16 is fixedly installed at the bottom of the oil tank 4, the second heat-conducting column 16 penetrates through a tank body 1 and a water tank 12 and is inserted into the inner cavity of the water tank 12, a second heat-conducting fin 17 is fixedly installed at a lower side of an outer wall of the second heat-conducting column 16, and the second heat-conducting fin 17 is placed in the inner cavity of the water tank 12, specifically, the semiconductor refrigerator 13 cools water in the water tank 12 to rapidly cool the second heat-conducting column 16 and the.

Referring to fig. 3 in this embodiment, the cavity of the heat conducting pipe 11 is filled with silicone grease 18, and specifically, the silicone grease 18 has better heat conducting performance, so that heat of the frequency converter can be taken away more efficiently.

Referring to fig. 1 in this embodiment, a box door is hinged to a front side wall of the box body 1, specifically, the box door is opened to facilitate installation of a frequency converter, and meanwhile, equipment maintenance is facilitated.

It should be noted that, the present invention relates to a novel oil-cooled frequency converter cooling device, the structure and principle of which can be known by the technical manual or by the conventional experimental method, in the idle place of the device, all the electrical devices, which refer to the power device, the electrical devices, and the adaptive monitoring computer and power source, are connected by the wires, and the specific connection means, in the following working principle, the electrical connection between the electrical devices is completed in sequence, the detailed connection means is the known technology in the art, the following main description of the working principle and process, without describing the electrical control, the structure and principle of which are known by the technical manual or the conventional experimental method, when working, firstly, the frequency converter is installed on the upper side of the inner cavity of the box body 1, so that the frequency converter is attached to the upper end of the heat conducting pipe 11, then, in the using process, the frequency converter generates heat, the heat can be guided to the transverse pipe 3 through the heat conduction pipe 11 and the silicone grease 18 in the heat conduction pipe 11, so that the heat is taken away by the oil in the transverse pipe 3 and enters the inner cavity of the oil tank 4, the temperature of the oil in the oil tank 4 is then transferred to the first heat-transfer post 14 and the first heat-transfer fin 15, and is diffused to the oil tank 4, when the outside temperature is low, the air cooling can be realized by starting the fan 10 to work, thereby achieving the effect of heat dissipation, but when the outside temperature is high, the water in the water tank 12 can be cooled by starting the semiconductor cooler 13, thereby causing the oil tank 4 to enable the temperature of the second heat conduction post 16 and the second heat conduction fin 17 to be rapidly cooled, thereby promoted refrigerated efficiency, dual refrigerated mode cooperation is used, and the radiating effect is good, the device simple structure, the operation of being convenient for, the practicality is strong.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. The utility model provides a novel oil-cooled frequency converter cooling device, includes box (1), its characterized in that: the middle of the inner cavity of the box body (1) is fixedly provided with a screen plate (2), the bottom of the screen plate (2) is fixedly provided with a transverse pipe (3), the bottom of the inner cavity of the box body (1) is fixedly provided with an oil tank (4), the top of the oil tank (4) is fixedly provided with a liquid pump (7), a liquid inlet of the liquid pump (7) is communicated with the oil tank (4) through a second conduit (6), a liquid outlet of the liquid pump (7) is communicated with the right side of the bottom of the transverse pipe (3) through a third conduit (8), and the left side of the bottom of the transverse pipe (3) is communicated with the left side of the top of the oil tank (4) through a first;

the upper surface of the transverse pipe (3) is fixedly provided with a heat conduction pipe (11), and the heat conduction pipe (11) penetrates through the screen plate (2);

the refrigerator is characterized in that a water tank (12) is fixedly mounted at the bottom of the box body (1), a semiconductor refrigerator (13) is fixedly mounted on the right end face of the water tank (12), and a refrigerating end of the semiconductor refrigerator (13) is inserted into an inner cavity of the water tank (12).

2. The novel oil-cooled frequency converter cooling device according to claim 1, characterized in that: a through hole (9) is formed in the lower side of the right side wall of the box body (1), and a fan (10) is installed in the inner cavity of the through hole (9).

3. The novel oil-cooled frequency converter cooling device according to claim 1, characterized in that: the inner chamber bottom fixed mounting of oil tank (4) has first heat conduction post (14), the outer wall fixed mounting of first heat conduction post (14) has first conducting strip (15), the bottom fixed mounting of oil tank (4) has second heat conduction post (16), second heat conduction post (16) run through box (1) and water tank (12) and peg graft in the inner chamber of water tank (12), the inner chamber of water tank (12) is arranged in to the outer wall downside fixed mounting of second heat conduction post (16) has second conducting strip (17) and second conducting strip (17).

4. The novel oil-cooled frequency converter cooling device according to claim 1, characterized in that: the inner cavity of the heat conduction pipe (11) is filled with silicone grease (18).

5. The novel oil-cooled frequency converter cooling device according to claim 1, characterized in that: the front side wall of the box body (1) is hinged with a box door.

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