Top-air-out liquid cooling unit and energy storage converter

Abstract

The utility model discloses a top-air-out liquid cooling unit and an energy storage converter. The liquid cooling unit comprises an outer rotor fan and a shell. The outer rotor fan comprises a fan body and a protective cover, and the fan body is used for discharging hot air in the shell into air so as to reduce the temperature in the shell. The protective cover covers the fan body to achieve protection. The shell is suitable for being fixedly connected with the protective cover to achieve installation and fixation of the outer rotor fan, and the shell is provided with a containing groove; the opening of the accommodating groove is formed in the upper surface of the shell, and the accommodating groove is suitable for bearing the outer rotor fan; the first air guide plate is used for guiding air upwards, and is used for sinking the outer rotor fan into the accommodating groove and the first air guide plate together with the accommodating groove, so that the height of the liquid cooling unit is not integrally increased by virtue of the residual height space in the shell, and the hiding of the outer rotor fan is realized; therefore, the height of each liquid cooling unit is not influenced by the height of the outer rotor fan, and the attractive appearance is ensured.

Description

Technical Field

[0001] The utility model relates to the field of heat exchange equipment, and particularly relates to a liquid-cooled unit with top air outlet and a power conversion and energy storage system (PCS). Background Art

[0002] In the prior art, the PCS conducts heat exchange through a liquid-cooled unit. The liquid-cooled unit includes an external rotor fan box housing. The external rotor fan includes a fan main body and a protective cover covering the fan main body. The protective cover is connected to the top surface of the housing. For commercial purposes, manufacturers of liquid-cooled units usually need to purchase external rotor fans from multiple manufacturers. However, since the heights of the external rotor fans of each manufacturer are different, after installation, the heights of the liquid-cooled units are different, resulting in different heights of the PCS, which affects the appearance. Summary of the Utility Model

[0003] The purpose of the utility model is to overcome the above-mentioned defects or problems in the background art, and provide a liquid-cooled unit with top air outlet and a PCS.

[0004] To achieve the above purpose, the utility model and its preferred embodiments adopt the following technical solutions, but the embodiments are not limited to the following solutions:

[0005] Solution 1, a liquid-cooled unit with top air outlet, includes an external rotor fan, the external rotor fan includes a fan main body and a protective cover covering the fan main body; a housing, which is adapted to be fixedly connected to the protective cover and is provided with a receiving groove; the receiving groove is adapted to carry the external rotor fan; and a first air guide plate, which is relatively fixed to the housing and extends along the vertical direction and surrounds at least part of the external rotor fan, for guiding the air flow out of the external rotor fan to blow out upward; wherein, the sum of the dimensions of the receiving groove and the first air guide plate in the vertical direction is greater than or equal to the height of the external rotor fan.

[0006] Solution 2, based on Solution 1, the protective cover is provided with a first fixing part, the housing is provided with a second fixing part, and the second fixing part is arranged on the groove wall of the receiving groove and is adapted to be correspondingly connected to the first fixing part.

[0007] Solution 3, based on Solution 2, the housing is further provided with an air passing hole, the air passing hole penetrates the bottom wall of the receiving groove along the vertical direction, and the second fixing part is correspondingly connected to the first fixing part so that the air passing hole is arranged corresponding to the fan main body.

[0008] Solution 4, based on Solution 3, further includes a cover body, the cover body is provided with an air outlet hole extending along the vertical direction, the receiving groove opens on the upper surface of the housing, and the cover body is fixedly connected to the opening of the receiving groove and is adapted to make the air outlet hole correspond to the fan main body.

[0009] Solution Five, based on Solution Four, when the cover body is fixedly connected to the opening of the accommodating groove, it also shields the second fixing part and the first fixing part.

[0010] Solution Six, based on Solution Five, the first air guide plate is in the shape of an annular ring extending in the vertical direction, and is fixedly arranged on the cover body and surrounds the air outlet hole.

[0011] Solution Seven, based on Solution Three, further includes a second air guide plate, which is in the shape of an annular ring extending in the vertical direction, protrudes from the bottom of the accommodating groove and surrounds the air passing hole, the protective cover is sleeved on the second air guide plate, and the accommodating groove opens on the upper surface of the housing.

[0012] Solution Eight, based on Solution One, the accommodating groove opens on the upper surface of the housing.

[0013] Solution Nine, based on Solution Seven, the protective cover is sleeved on the second air guide plate.

[0014] Solution Ten, an energy storage converter includes an energy storage cabinet and a liquid cooling unit according to any one of Solutions One to Nine, and the housing is fixed on the top of the energy storage cabinet.

[0015] From the above description of the present invention and its preferred embodiments, compared with the prior art, the technical solutions and their preferred embodiments of the present invention have the following beneficial effects due to the following technical means:

[0016] 1. In Solution One and its preferred embodiments, a liquid cooling unit with top air outlet includes an external rotor fan and a housing.

[0017] The external rotor fan includes a fan main body and a protective cover. The fan main body is used to discharge the hot air in the housing into the air to reduce the temperature in the housing. The protective cover is sleeved on the fan main body to achieve protection.

[0018] The housing is suitable for being fixedly connected with the protective cover to achieve the installation and fixation of the external rotor fan. The housing is provided with a receiving groove; the receiving groove is suitable for carrying and accommodating at least part of the external rotor fan. In view of the fact that the height design of the liquid cooling unit is usually limited and generally will not be increased as a whole due to accommodating the external rotor fan, so in this solution, a first air guiding plate extending vertically is provided on the housing, which can not only collect the hot air outlet of the external rotor fan and guide it upward to avoid affecting the liquid cooling units of other devices, but also at least partially surround the outside of the external rotor fan. On this basis, the sum of the dimensions of the receiving groove and the first air guiding plate in the vertical direction is configured to be greater than or equal to the height of the external rotor fan, so that the external rotor fan can be completely sunk into the space defined by the receiving groove and the first air guiding plate, making use of the remaining height space inside the housing without increasing the height of the liquid cooling unit as a whole, and enabling the external rotor fan to be not easily observed from the outside, and the height of each liquid cooling unit will not be affected by the height of the external rotor fan, ensuring aesthetics.

[0019] 2. In the second solution and its preferred embodiments, the protective cover is provided with a first fixing portion, and the housing is provided with a second fixing portion. The second fixing portion is arranged on the groove wall of the receiving groove and is suitable for corresponding connection with the first fixing portion, so as to realize the installation of the external rotor fan.

[0020] 3. In the third solution and its preferred embodiments, the housing is further provided with an air passing hole. Compared with the air passing holes extending in other directions, the air passing hole penetrates the bottom wall of the receiving groove in the vertical direction, and the length of the air passing hole is the shortest, which speeds up the heat exchange speed of the air inside the housing. The second fixing portion is correspondingly connected with the first fixing portion so that the air passing hole is arranged corresponding to the fan main body, thus facilitating the heat exchange of the air inside the housing.

[0021] 4. In the fourth solution and its preferred embodiments, the receiving groove opens on the upper surface of the housing to be suitable for upward air outlet. The cover body is provided with an air outlet hole extending in the vertical direction, so that the air outlet direction is as upward as possible to prevent affecting the operation of the machines on the side. The cover body is fixedly connected to the opening of the receiving groove to realize the installation and fixation of the cover body, and is suitable for making the air outlet hole correspond to the fan main body to realize air outlet. And the cover body is fixedly connected to the opening of the receiving groove, and also shields part of the receiving groove, which can reduce the probability of sundries or snow and wind entering the receiving groove, protect the components inside the housing, and reduce the cleaning cost. At the same time, since the size of the receiving groove is greater than or equal to the height of the external rotor fan, when installing the cover body, the cover body will not interfere with the external rotor fan.

[0022] 5. In the fifth solution and its preferred embodiments, when the cover body is fixedly connected to the opening of the receiving groove, it also shields the second fixing portion and the first fixing portion, thus realizing the protection of the second fixing portion and the first fixing portion.

[0023] 6. In Solution Six and its preferred embodiments, the first air deflector is in the shape of an annular ring extending in the vertical direction. It is fixed to the cover body and arranged around the air outlet hole, so that the air coming out of the air outlet hole is guided upward, preventing it from affecting the operation of the machines on the side and avoiding the heat island effect.

[0024] 7. In Solution Seven and its preferred embodiments, the accommodating groove opens on the upper surface of the outer shell to be suitable for upward air outlet. The second air deflector is in the shape of an annular ring extending in the vertical direction. It protrudes from the bottom of the accommodating groove and is arranged around the air passing hole, so that the air at the air passing hole is guided upward, facilitating the upward air outlet direction when the air is discharged, and preventing the operation of the machines on the side from being affected when the air is discharged obliquely.

[0025] 8. In Solution Eight and its preferred embodiments, the accommodating groove opens on the upper surface of the outer shell and is convenient for installation from above.

[0026] 9. In Solution Nine and its preferred embodiments, at the same time, the protective cover is sleeved on the second air deflector, and the second air deflector can be used as the preliminary positioning when installing the outer rotor fan.

[0027] 10. In Solution Ten and its preferred embodiments, a power conversion system for energy storage includes an energy storage cabinet and a liquid cooling unit according to any one of the above. The outer shell is fixed to the top of the energy storage cabinet and has the beneficial effects brought by the above liquid cooling unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the following drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0029] Figure 1 It is a perspective view of the liquid cooling unit in Embodiment One;

[0030] Figure 2 It is a perspective view of the outer rotor fan in Embodiment One;

[0031] Figure 3 It is a perspective view of the liquid cooling unit in Embodiment One after hiding the cover body and the first air deflector;

[0032] Figure 4 It is a perspective view of the liquid cooling unit in Embodiment One after hiding the cover body, the first air deflector and the outer rotor fan;

[0033] Figure 5 It is a perspective view of the cover body of the liquid cooling unit in Embodiment One.

[0034] MAIN REFERENCE NUMERAL DESCRIPTION:

[0035] External rotor fan 1; fan body 11; protective cover 12; first fixing part 121; housing 2; accommodation groove 21; second fixing part 22; air passing hole 23; cover body 3; air outlet hole 31; first air guiding plate 4; second air guiding plate 5. Detailed implementation manners

[0036] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the preferred embodiments of the present invention and should not be regarded as excluding other embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0037] In the claims, specification and above-mentioned drawings of the present invention, unless otherwise clearly defined, when using terms such as "first", "second" or "third", etc., they are used to distinguish different objects rather than to describe a specific order.

[0038] In the claims, specification and above-mentioned drawings of the present invention, unless otherwise clearly defined, for orientation terms, when using terms such as "center", "transverse", "longitudinal", "horizontal", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "clockwise", "counterclockwise", etc. to indicate the orientation or position relationship, it is based on the orientation and position relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, so it should not be construed as limiting the specific protection scope of the present invention.

[0039] In the claims, specification and above-mentioned drawings of the present invention, unless otherwise clearly defined, when using terms such as "fixed connection" or "fixedly connected", it should be understood in a broad sense, that is, any connection method without displacement relationship and relative rotation relationship between the two, that is, including non-detachable fixed connection, detachable fixed connection, being integrated as one body, and being fixedly connected through other devices or elements.

[0040] In the claims, specification and above-mentioned drawings of the present invention, when using terms such as "comprising", "having" and their variants, the intention is to "include but not limited to".

[0041] An energy storage converter includes an energy storage cabinet and a liquid cooling unit with top air outlet.

[0042] Refer to Figures 1 - 5 , the liquid cooling unit includes an external rotor fan 1, a housing 2, a cover body 3, a first air guiding plate 4, a second air guiding plate 5 and fasteners.

[0043] Reference Figure 2 The external rotor fan 1 includes a fan main body 11 and a protective cover 12 covering the fan main body 11. The protective cover 12 is provided with a first fixing portion 121. In this embodiment, the first fixing portion 121 is a threaded through hole for a fastener to penetrate, and the number of the first fixing portions 121 is multiple.

[0044] The housing 2 is fixed to the top of the energy storage cabinet. The housing 2 is provided with a receiving groove 21, a second fixing portion 22, and an air passing hole 23.

[0045] Reference Figure 3 The receiving groove 21 opens on the upper surface of the housing 2. In other embodiments, it may open on the side wall of the housing 2, etc. The receiving groove 21 is adapted to carry and accommodate at least part of the external rotor fan 1.

[0046] Reference Figure 4 The second fixing portion 22 is arranged on the groove wall of the receiving groove 21 and is adapted to be correspondingly connected to the first fixing portion 121. In this embodiment, the number of the second fixing portions 22 is the same as that of the first fixing portions 121 and they correspond one by one. The second fixing portion 22 is located at the bottom wall of the receiving groove 21 and is presented as a threaded hole penetrating the bottom wall of the receiving groove 21. After the fastener penetrates the threaded through hole, it is threadedly connected to the threaded hole, so that the first fixing portion 121 and the second fixing portion 22 are correspondingly connected. When the first fixing portion 121 is a threaded through hole, it can be installed from outside the housing 2, which is more convenient during installation. In other embodiments, the first fixing portion 121 may be a threaded hole and the second fixing portion 22 may be a threaded through hole to achieve the same connection effect. In other embodiments, both the first fixing portion 121 and the second fixing portion 22 may be threaded through holes, and the fixation is achieved through the combination of bolts and nuts. In other embodiments, the first fixing portion 121 and the second fixing portion 22 may also be connected together by means of snap connection, welding, etc.

[0047] The air passing hole 23 vertically penetrates the bottom wall of the receiving groove 21. When the second fixing portion 22 and the first fixing portion 121 are correspondingly connected, the air passing hole 23 is arranged corresponding to the fan main body 11 to be adapted to supply air to the fan main body 11, so that the fan main body 11 discharges the hot air inside the housing 2.

[0048] Reference Figure 5 The cover body 3 is provided with an air outlet hole 31 extending in the vertical direction. The cover body 3 is fixedly connected to the opening of the receiving groove 21 and is adapted to align the air outlet hole 31 with the fan main body 11 to be adapted for the fan main body 11 to exhaust air. And when the cover body 3 is fixedly connected to the opening of the receiving groove 21, it also shields part of the opening of the receiving groove 21, so that the second fixing portion 22 and the first fixing portion 121 are shielded.

[0049] Reference Figure 5, the first air deflector 4 is in the shape of a circular ring extending in the vertical direction. It is fixed to the cover 3 and surrounds part of the external rotor fan 1 and also surrounds the air outlet hole 31, so that when the air blows out, it tries to blow out upward in the vertical direction to prevent affecting the work of surrounding instruments. In other embodiments, according to the shape of the external rotor fan 1 or the shape of the air outlet, the first air deflector 4 can also be of other shapes.

[0050] Reference Figure 4 , the second air deflector 5 is in the shape of a circular ring extending in the vertical direction. It protrudes from the bottom of the accommodation groove 21 and surrounds the air passing hole 23. The protective cover 12 is sleeved on the second air deflector 5.

[0051] During installation, at least part of the external rotor fan 1 is placed in the accommodation groove 21, so that the protective cover 12 is sleeved outside the second air deflector 5, and the threaded through hole of the first fixing part 121 corresponds to the threaded hole of the second fixing part 22. The threaded through hole and the threaded hole are connected by fasteners to complete the installation of the external rotor fan 1. Then the cover 3 is covered, and the cover 3 is fixedly connected to the housing 2 by screws or other means. Subsequently, the first air deflector 4 is connected to the cover to complete the installation of the liquid cooling unit. Then the liquid cooling unit is placed on the energy storage cabinet to complete the overall installation.

[0052] In this embodiment, after installation, the sum of the dimensions of the accommodation groove 21 and the first air deflector 4 in the vertical direction is greater than or equal to the height of the external rotor fan 1, so that the external rotor fan 1 can be completely sunk into the space defined by the accommodation groove 21 and the first air deflector 4. It not only makes use of the remaining height space inside the housing 2, but also does not increase the overall height of the liquid cooling unit, and can make the external rotor fan 1 not easily observable from the outside. The height of each liquid cooling unit is not affected by the height of the external rotor fan 1, ensuring aesthetics.

[0053] In an exemplary embodiment, the external rotor fan 1 includes a fan main body 11 and a protective cover 12. The fan main body 11 is used to discharge the hot air inside the housing 2 into the air to reduce the temperature inside the housing 2. The protective cover 12 covers the fan main body 11 to achieve protection.

[0054] In an exemplary embodiment, the housing 2 is further provided with an air passing hole 23. Compared with the air passing hole 23 extending in other directions, the air passing hole 23 penetrates the bottom wall of the accommodation groove 21 in the vertical direction, and the length of the air passing hole 23 is the shortest, which speeds up the heat exchange speed of the air inside the housing 2. The second fixing part 22 is correspondingly connected to the first fixing part 121 so that the air passing hole 23 is arranged corresponding to the fan main body 11, thereby facilitating the heat exchange of the air inside the housing 2.

[0055] In an exemplary embodiment, an air outlet hole 31 extending in the vertical direction is provided on the cover body 3, so that the air outlet direction is as upward as possible to prevent affecting the operation of the machines on the side. The cover body 3 is fixedly connected to the opening of the accommodating groove 21 to realize the installation and fixation of the cover body 3, and is adapted to make the air outlet hole 31 correspond to the fan main body 11 to realize air outlet. And the cover body 3 is fixedly connected to the opening of the accommodating groove 21 and also shields a part of the accommodating groove 21, which can reduce the probability of sundries, snow, wind, etc. entering the accommodating groove 21, protect the components in the housing, and reduce the cleaning cost. At the same time, since the size of the accommodating groove 21 is greater than or equal to the height of the external rotor fan 1, when installing the cover body 3, the cover body 3 will not interfere with the external rotor fan 1.

[0056] In an exemplary embodiment, when the cover body 3 is fixedly connected to the opening of the accommodating groove 21, it also shields the second fixing part 22 and the first fixing part 121, so as to realize the protection of the second fixing part 22 and the first fixing part 121.

[0057] In an exemplary embodiment, the first air guide plate 4 is in the shape of a circular ring extending in the vertical direction, and is fixedly arranged on the cover body 3 and surrounds the air outlet hole 31, so that the air coming out of the air outlet hole 31 is guided upward to prevent affecting the operation of the machines on the side.

[0058] In an exemplary embodiment, the second air guide plate 5 is in the shape of a circular ring extending in the vertical direction, and protrudes from the bottom of the accommodating groove 21 and surrounds the air passing hole 23, so that the air at the air passing hole 23 is guided upward, which is convenient for the air outlet direction to be upward when the air outlet, so as to prevent affecting the operation of the machines on the side when the air outlet is inclined. At the same time, the protective cover 12 is sleeved on the second air guide plate 5, and the second air guide plate 5 can be used as a preliminary positioning when installing the external rotor fan.

[0059] In an exemplary embodiment, a power storage converter includes a power storage cabinet and a liquid cooling unit according to any one of the above, and the housing 2 is fixed on the top of the power storage cabinet, and has the beneficial effects brought by the above liquid cooling unit.

[0060] The above description of the specification and embodiments is used to explain the protection scope of the present invention, but does not constitute a limitation on the protection scope of the present invention. Through the inspiration of the present invention or the above embodiments, those of ordinary skill in the art, in combination with common general knowledge, ordinary technical knowledge in the art and / or the prior art, through logical analysis, reasoning or limited experiments, can obtain modifications, equivalent replacements or other improvements to the embodiments of the present invention or some of its technical features, which should all be included in the protection scope of the present invention.

Claims

1. A liquid-cooled unit with top air discharge, characterized in that: including an external rotor fan (1), the external rotor fan (1) including a fan main body (11) and a protective cover (12) covering the fan main body (11); a housing (2) adapted to be fixedly connected to the protective cover (12), the housing (2) having a receiving groove (21); the receiving groove (21) being adapted to carry the external rotor fan (1); and a first air guide plate (4) fixedly relative to the housing and extending in the vertical direction and surrounding at least part of the external rotor fan (1) for guiding the air flow discharged from the external rotor fan (1) to discharge upward; wherein the sum of the dimensions of the receiving groove (21) and the first air guide plate (4) in the vertical direction is greater than or equal to the height of the external rotor fan (1).

2. The liquid cooling unit with top air outlet according to claim 1, characterized in that: The protective cover (12) is provided with a first fixing portion (121), and the housing (2) is provided with a second fixing portion (22), the second fixing portion (22) being disposed on the groove wall of the receiving groove (21) and adapted to be correspondingly connected to the first fixing portion (121).

3. The liquid cooling unit with top air outlet according to claim 2, characterized in that: The housing (2) is further provided with an air passing hole (23), the air passing hole (23) penetrating the bottom wall of the receiving groove (21) in the vertical direction, and the second fixing portion (22) is correspondingly connected to the first fixing portion (121) so that the air passing hole (23) is disposed corresponding to the fan main body (11).

4. The liquid cooling unit with top air outlet according to claim 3, characterized in that: It further includes a cover body (3), the cover body (3) being provided with an air outlet hole (31) extending in the vertical direction, the receiving groove (21) opening on the upper surface of the housing (2), and the cover body (3) being fixedly connected to the opening of the receiving groove (21) and adapted to make the air outlet hole (31) correspond to the fan main body (11).

5. The liquid cooling unit with top air outlet according to claim 4, characterized in that: When the cover body (3) is fixedly connected to the opening of the receiving groove (21), it also shields the second fixing portion (22) and the first fixing portion (121).

6. The liquid cooling unit with top air outlet according to claim 5, characterized in that: The first air guide plate (4) is in the shape of a circular ring extending in the vertical direction, and is fixedly provided on the cover body (3) and surrounds the air outlet hole (31).

7. The liquid cooling unit with top air outlet according to claim 3, characterized in that: It further includes a second air guide plate (5), which is in the shape of a circular ring extending in the vertical direction, protrudes from the bottom of the receiving groove (21) and surrounds the air passing hole (23), and the receiving groove (21) opens on the upper surface of the housing (2).

8. The liquid cooling unit with top air outlet according to claim 1, characterized in that: The receiving groove (21) opens on the upper surface of the housing (2).

9. The liquid cooling unit with top air outlet as claimed in claim 7, wherein: The protective cover (12) is sleeved on the second air guide plate (5).

10. A energy storage converter, characterized in that: including an energy storage cabinet and a liquid cooling unit according to any one of claims 1-9, the housing (2) being fixed to the top of the energy storage cabinet.

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