Energy storage liquid cooling unit noise reduction structure suitable for high-wind-speed low-pressure-loss ventilation and noise elimination

Abstract

The utility model relates to the technical field of ventilation and noise reduction of liquid cooling equipment, and discloses an energy storage liquid cooling unit noise reduction structure suitable for high wind speed and low pressure loss ventilation and noise elimination, which comprises an exhaust channel, an air inlet channel, an upper ventilation static pressure cavity, a lower ventilation static pressure cavity, a slide rail type noise elimination blade assembly, an insertion type noise elimination module, an anti-bird net and a drainage structure. The air exhaust channel and the air inlet channel are provided with the trapezoidal perforated silencing pieces and the sliding rail plug-in type silencing blades correspondingly, the airflow direction is optimized through the static pressure cavity, and pressure loss is reduced. And the silencing structure adopts a modular design, so that quick disassembly, assembly and maintenance are facilitated. The anti-bird net and the water guide plate enhance the outdoor adaptability of the equipment. The structure has the advantages of small ventilation resistance, good noise reduction effect, convenience in assembly, safety, reliability and the like, and is suitable for ventilation and noise elimination application scenes of high-power liquid cooling equipment.

Description

Technical Field

[0001] This utility model relates to the field of auxiliary ventilation and noise reduction structure of cold heat dissipation device, and more specifically to a noise reduction structure for energy storage liquid cooler unit that adapts to high wind speed and low pressure loss ventilation and noise reduction. Background Technology

[0002] With the increasing demands for stability and energy efficiency in cooling systems from data centers, industrial energy storage, and high-performance computing platforms, liquid chillers, as key heat dissipation units, are receiving more and more attention in terms of operating efficiency, structural integration, and noise control. Especially in 60kW-class liquid cooling equipment, where internal airflow is large and fan operation is frequent, how to reduce energy consumption and noise while ensuring cooling performance has become a key issue of concern in the industry.

[0003] Traditional liquid chillers often suffer from the following technical problems in their ventilation and noise reduction structures:

[0004] 1. Complex airflow path and high ventilation resistance: Many existing systems adopt L-shaped or multi-fold air duct structure, and the internal airflow path turns multiple times, which can easily cause eddies, local high pressure and backflow, resulting in a significant increase in pressure loss. This not only increases the power consumption of the fan, but also reduces the cooling efficiency.

[0005] 2. Fixed connection of the silencer device, making maintenance difficult: Traditional silencer structures mostly use bolt fixing, and the components cannot be disassembled or replaced inconveniently. After operation, maintenance or component aging, the whole machine needs to be shut down or even the outer shell needs to be disassembled for treatment, resulting in long maintenance cycles and high labor costs.

[0006] 3. Weak noise reduction design and insufficient spectrum coverage: Some liquid-cooled ventilation systems only use a single layer of sound-absorbing material or foam materials, which makes it difficult to effectively control the low- and medium-frequency noise (such as the 50Hz to 400Hz range) generated during fan operation. The overall noise reduction effect is limited and it is difficult to meet the usage requirements of noise-sensitive places.

[0007] 4. Dispersed structure and complex assembly: The internal ventilation components of the whole machine lack modular design, and the assembly of components relies on multiple connection methods, which not only affects the consistency and efficiency of manufacturing, but also hinders standardized production and large-scale delivery.

[0008] Therefore, there is an urgent need for a liquid-cooled air conditioning system with a modular structure, low wind resistance channels, and effective noise reduction and protection functions. Utility Model Content

[0009] To address the problems existing in the prior art, this utility model provides a noise reduction structure for energy storage liquid-cooled units that adapts to high wind speed and low pressure loss ventilation and noise reduction. By integrating multiple functions such as sliding rail plug-in noise reduction components, straight-through convection channels, upper and lower static pressure cavities, and bird-proof and waterproof structures, it significantly improves the ventilation efficiency, noise reduction effect, and ease of maintenance of the equipment.

[0010] To achieve the above objectives, this utility model provides a noise reduction structure for energy storage liquid-cooled units that adapts to high wind speeds, low pressure loss, and ventilation noise reduction, comprising:

[0011] The exhaust duct and the air inlet duct are respectively located on the upper and lower sides of the equipment casing;

[0012] Support feet, located at the bottom of the equipment, are used to support the overall structure of the machine;

[0013] Multiple sets of exhaust silencer blades are installed inside the exhaust duct. The exhaust duct is provided with an exhaust blade mounting rail on the inner side. The exhaust silencer blades can be slidably installed along the exhaust blade mounting rail.

[0014] Multiple sets of air intake silencers are arranged inside the air intake channel. The air intake channel is provided with an air intake blade mounting rail, and the air intake silencers can be slidably installed along the air intake blade mounting rail.

[0015] Insert-type silencer modules are installed in the middle space between the exhaust duct and the intake duct, and are modularly inserted into the structural frame;

[0016] The upper ventilation static pressure chamber and the lower ventilation static pressure chamber are located between the exhaust channel and the intake channel, respectively, and are used to balance air pressure and guide airflow.

[0017] The exhaust duct is equipped with a first top sound-absorbing plate and a first bottom sound-absorbing plate at the top and bottom, respectively;

[0018] The air intake duct is equipped with a second top sound-absorbing plate and a second bottom sound-absorbing plate at the top and bottom, respectively;

[0019] Both the exhaust and intake ducts are covered with bird netting.

[0020] The device is equipped with latches and hinges on its outer casing for controlling the opening and closing of the passage door panel;

[0021] The air inlet channel is equipped with a baffle plate, which is connected to the first drain outlet and the second drain outlet to guide the condensate water out.

[0022] Preferably, both the exhaust silencer blades and the inlet silencer blades are detachable structures, and slide in cooperation with the exhaust blade mounting rail and the inlet blade mounting rail via the first slider and the second slider, respectively.

[0023] Preferably, the first top silencing plate, the first bottom silencing plate, the second top silencing plate, and the second bottom silencing plate are all trapezoidal perforated plate structures with their inclined surfaces facing the corresponding ventilation direction.

[0024] Preferably, the insertable silencing module is a cavity structure filled with fiberglass wool, the module shell is a perforated sound-absorbing board, and the module can be plugged in and installed for easy replacement and maintenance.

[0025] Preferably, the upper ventilation static pressure chamber and the lower ventilation static pressure chamber are closed chamber structures, and the cross-section of their internal channels is larger than the cross-section of the air inlet and outlet channels, which is used for airflow homogenization and pressure reduction.

[0026] Preferably, the bird net is a metal woven mesh structure, covering the outside of the exhaust and intake ducts, with a mesh size of 5mm to 15mm.

[0027] Preferably, the support leg is an adjustable height structure, welded to the bottom frame of the equipment, and has vibration damping function.

[0028] As can be seen from the above technical solution, compared with the prior art, the beneficial effects of this utility model are as follows:

[0029] 1. Low ventilation resistance and low fan energy consumption: The exhaust and intake ducts adopt a vertically connected straight duct structure, and with pressure chambers on both sides of the duct, the airflow can be effectively guided to flow stably, significantly reducing airflow turbulence and flow resistance, effectively reducing pressure loss, and thus reducing the power consumption of the fan.

[0030] 2. Modular slide rail design for easy assembly and maintenance: The silencer blades are installed by inserting them into the slide rail and slider, which can be quickly disassembled, replaced and repaired. This avoids the problems of complicated maintenance and long time caused by bolt fixing in traditional structures, and significantly improves operation and maintenance efficiency.

[0031] 3. Strong wideband noise control capability: The sound-absorbing structure adopts a combination of multi-layer trapezoidal perforated sound-absorbing sheets and fiberglass cotton filling modules, which can effectively absorb high-frequency airflow noise and attenuate mid- and low-frequency fan noise, achieving comprehensive noise reduction for 60KW liquid cooling equipment under various operating conditions.

[0032] 4. Compact structure, safe and reliable: The support structure adopts a welding and locking connection method, which has strong load-bearing capacity, high operational stability, and the ability to lift and transport the whole machine, making it easy to deploy and install on site quickly.

[0033] 5. High integration of ventilation and noise reduction functions: Through the combination of multiple elements such as static pressure cavity, silencer module, guide vane, and protective structure, multiple functions such as ventilation, noise reduction and protection are integrated without increasing the size of the equipment, which has good prospects for engineering application and promotion. Attached Figure Description

[0034] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0035] Figure 1 This is a side structural cross-sectional view of the present invention.

[0036] Figure 2 This is a front structural diagram of the present invention.

[0037] Figure 3 This is an enlarged view of section A of this utility model.

[0038] Figure 4 This is an enlarged view of section B of this utility model.

[0039] 1-Exhaust duct, 101-Lifting ring, 102-Exhaust blade mounting rail, 2-Inlet duct, 201-Fixing bolt, 202-Inlet blade mounting rail, 3-Support foot, 4-Lock, 5-Exhaust silencer blade, 501-First bottom silencer, 502-First top silencer, 503-First slider, 6-Water baffle, 601-First drain outlet, 602-Second drain outlet, 7-Insertion silencer module, 8-Inlet silencer blade, 801-Second bottom silencer, 802-Second top silencer, 803-Second slider, 9-Hinge, 10-Upper ventilation static pressure chamber, 11-Lower ventilation static pressure chamber, 12-Bird net. Detailed Implementation

[0040] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0041] Example

[0042] like Figures 1 to 4 As shown, a noise reduction structure for a liquid-cooled energy storage unit with high wind speed and low pressure loss ventilation and noise reduction includes an exhaust duct 1, an air inlet duct 2, a support foot 3, a latch 4, exhaust noise reduction blades 5, a water baffle 6, an insert-type noise reduction module 7, an air inlet noise reduction blade 8, a hinge 9, an upper ventilation static pressure cavity 10, a lower ventilation static pressure cavity 11, and a bird net 12, etc.

[0043] The structure is an integral frame construction, employing an upper exhaust and lower air intake arrangement. Air intake duct 2 is located at the bottom of the structure, and exhaust duct 1 is located at the top, connected by a central static pressure chamber to ensure unobstructed airflow and stable airflow. The entire structure is supported on the ground by support legs 3 and equipped with leveling screws.

[0044] The left and right side panels of the structure are fixed to the hinges 9 via latches 4, enabling convenient opening and maintenance of the equipment. The hinges 9 are made of stainless steel alloy and support an opening angle greater than 90°. The latches 4 are quick-release structures, facilitating rapid operation by a single person.

[0045] The exhaust duct 1 is internally equipped with multiple sets of exhaust sound-absorbing blades 5, both ends of which are embedded in the exhaust blade mounting rail 102 via first sliders 503, allowing for insertion and installation along the rail. The exhaust duct has a first top sound-absorbing plate 502 at the top and a first bottom sound-absorbing plate 501 at the bottom, both with a trapezoidal perforated structure. Their inclined surfaces face the air outlet direction, with a slope of 30°-45° and a porosity of 25%-30%. They are filled with fiberglass wool, providing excellent airflow guidance and sound absorption performance.

[0046] The structure of the air intake channel 2 is basically symmetrical with that of the exhaust channel. The air intake silencer blade 8 is installed inside, which slides into the air intake blade mounting rail 202 through the second slider 803. The top and bottom of the air intake channel are respectively provided with the second top silencer 802 and the second bottom silencer 801. Their structure, material and tilt angle design are the same as those of the exhaust section, ensuring that the intake noise is also fully absorbed.

[0047] All silencer blades are made of galvanized perforated plate and water-repellent fiberglass wool composite structure with a thickness of 50-100mm. The spacing between the blades is about 200mm to uniformly control the duct spectral noise.

[0048] An upper ventilation static pressure chamber 10 and a lower ventilation static pressure chamber 11 are provided between the exhaust duct 1 and the air inlet duct 2. The static pressure chamber is a rectangular closed cavity structure with an internal cavity or a guide vane. Its function is to reduce wind resistance and improve ventilation stability by increasing the cross-sectional area of ​​the airflow, reducing wind speed and backflow eddies.

[0049] Insertable silencing modules 7 are installed on both sides of the static pressure cavity. The insertable modules adopt a galvanized steel plate frame structure, the outer shell has a perforated panel, and the internal filling density is 48kg / m³. 3 The water-repellent fiberglass wool material is used to insert the module into the frame mounting hole through the guide rail and fix it with buckles, which makes it easy to disassemble and replace it individually.

[0050] The insertion-type silencer module enables the entire structure to form a four-stage coordinated airflow path of "ventilation-diffusivity-silencing-exhaust", which reduces the fan load while achieving wide-band noise reduction.

[0051] A baffle plate 6 is installed at the lower inner end of the air inlet duct 2. Its lower part is connected to the first drain outlet 601 and the second drain outlet 602 to form a condensate and rainwater diversion system. The baffle plate is made of aluminum-zinc coated sheet and is inclined at an angle of 15°. It can effectively discharge the concentrated condensate into the set discharge channel and prevent water vapor from entering the electrical appliances or sound-absorbing layer structure.

[0052] In addition, the outer sides of the inlet and outlet of the exhaust duct 1 and the air inlet duct 2 are covered with bird netting 12. The bird netting is made of stainless steel woven mesh with a mesh diameter of about 8mm. It can prevent birds, rodents and other small animals from entering the equipment without affecting normal air circulation.

[0053] In practical applications, the entire structure can be lifted and transported as a whole using the lifting ring 101 at the top. After installation, leveling can be achieved using the support feet 3, and the air inlet and exhaust side doors can be opened freely as needed for maintenance. The silencer blades can be replaced as unit modules by sliding rail insertion and removal without disassembling the overall structure, and the insert-type modules can also be disassembled individually for sound-absorbing filler replacement.

[0054] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An energy storage liquid cooling unit noise reduction structure suitable for high wind speed low pressure loss ventilation and noise reduction, characterized in that, The device comprises: an exhaust air passage (1) and an intake air passage (2) arranged on the upper and lower sides of the device shell respectively; a support foot (3) arranged at the bottom of the device for supporting the overall structure of the device; a plurality of exhaust air silencing blades (5) arranged inside the exhaust air passage (1), the inner side of the exhaust air passage (1) being provided with an exhaust air blade mounting slide rail (102), and the exhaust air silencing blades (5) being slidably mounted along the exhaust air blade mounting slide rail (102); a plurality of intake air silencing blades (8) arranged inside the intake air passage (2), the inner side of the intake air passage (2) being provided with an intake air blade mounting slide rail (202), and the intake air silencing blades (8) being slidably mounted along the intake air blade mounting slide rail (202); a plug-in silencing module (7) arranged in the middle space between the exhaust air passage (1) and the intake air passage (2) and modularly inserted into the structural frame; an upper ventilation static pressure cavity (10) and a lower ventilation static pressure cavity (11) respectively located between the exhaust air passage (1) and the intake air passage (2) for balancing air pressure and guiding air flow; the top and bottom of the exhaust air passage (1) are respectively provided with a first top silencing sheet (502) and a first bottom silencing sheet (501); the top and bottom of the intake air passage (2) are respectively provided with a second top silencing sheet (802) and a second bottom silencing sheet (801); the outer sides of the exhaust air passage (1) and the intake air passage (2) are covered with a bird-proof net (12); the shell of the device is provided with a lock catch (4) and a hinge (9) for opening and closing control of the passage door plate; the intake air passage (2) is provided with a water baffle (6) in communication with a first drain port (601) and a second drain port (602) for guiding the discharge of condensed water.

2. The structure of claim 1, wherein: The exhaust air silencing blades (5) and the intake air silencing blades (8) are both detachable structures and are slidably connected with the exhaust air blade mounting slide rail (102) and the intake air blade mounting slide rail (202) through the first slide block (503) and the second slide block (803) respectively.

3. The energy storage liquid cooling unit noise reduction structure of claim 1, wherein: The first top silencing sheet (502), the first bottom silencing sheet (501), the second top silencing sheet (802) and the second bottom silencing sheet (801) are all trapezoidal perforated sheet structures with inclined surfaces facing the corresponding ventilation direction.

4. The energy storage liquid cooling unit noise reduction structure of claim 1, wherein: The plug-in silencing module (7) is a cavity structure filled with glass wool, and the module shell is a perforated sound-absorbing plate material. The module can be plug-in installed and is convenient to replace and maintain.

5. The energy storage liquid cooling unit noise reduction structure of claim 1, wherein: The upper ventilation static pressure cavity (10) and the lower ventilation static pressure cavity (11) are closed chamber structures, and the cross section of the internal passage thereof is larger than that of the intake and exhaust air passages for air flow homogenization and pressure reduction.

6. The energy storage liquid cooling unit noise reduction structure adapted to high wind speed and low pressure loss ventilation and sound attenuation according to claim 1, characterized in that: The bird-proof net (12) is a metal woven mesh structure covering the outer sides of the exhaust air passage (1) and the intake air passage (2), and the mesh hole diameter is 5mm-15mm.

7. The energy storage liquid cooling unit noise reduction structure adapted to high wind speed and low pressure loss ventilation and sound attenuation according to claim 1, characterized in that: The support foot (3) is an adjustable height structure, is welded to the bottom frame of the device, and has a vibration-proof function.

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