Underground parking lot self-cooling system
By installing ventilation ducts and a wind negative pressure system in the underground parking lot, and utilizing a trumpet-type air collection structure and water tank to evaporate heat, the temperature and air quality problems caused by automobile exhaust were solved, achieving an energy-saving and self-cooling effect.
Patent Information
- Application Number
- CN202422802209.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-18
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-11-18
AI Technical Summary
When cars enter and exit underground parking lots, the high-temperature exhaust gas emitted by the cars causes temperature and air quality problems. The existing electric-driven cooling system has high energy consumption, and an energy-saving natural cooling system is needed.
The system uses ventilation ducts and wind negative pressure system, collects wind through the trumpet-type wind collection structure to form negative pressure, uses natural wind to expel hot air, and combines with water tank evaporation to remove heat, forming a self-cooling effect and reducing electricity consumption.
It achieves a self-cooling effect without the need for electricity, maintains a stable temperature in the underground parking lot, reduces operating costs and improves air quality.
Smart Images
Figure CN223375976U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of construction, in particular to an underground parking lot. Background Art
[0002] When cars enter and exit the underground parking lot, their exhaust will emit high-temperature gas, which will affect the temperature and air quality of the parking lot. In order to effectively manage the temperature and air quality of the underground parking lot and ensure the comfort and safety in the parking lot, the high-temperature gas needs to be discharged from the underground parking lot to ensure that the temperature of the underground parking lot does not accumulate and rise.
[0003] However, considering the scale and complexity of underground parking lots, the electric-driven cooling system consumes a lot of energy. A natural cooling system is needed that can reduce electricity consumption and thus reduce operating costs. Utility Model Content
[0004] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the present invention.
[0005] In view of the above problems existing in the prior art, the present utility model is proposed.
[0006] In order to solve the above technical problems, the present invention provides the following technical solutions:
[0007] The underground parking lot self-cooling system includes an underground parking lot, which has a ground surface and a roof;
[0008] It also includes a ventilation duct, wherein the ventilation duct is provided with an air inlet, and the air inlet is provided on the roof of the underground parking lot;
[0009] The ventilation duct has an exhaust port;
[0010] It also includes a wind negative pressure system, which includes a wind collecting structure;
[0011] The wind collecting structure is provided with a trumpet-shaped wind collecting structure with a large opening area at one end and a small opening area at the other end. The end of the wind collecting structure with a large opening area serves as an air inlet, and the other end with a small opening area serves as an air outlet.
[0012] The air collecting structure is provided with an opening on the lower side of one end of the air outlet as an air intake;
[0013] The lower side surface of the air collecting structure at one end of the air outlet is a horizontal surface at the air inlet;
[0014] The air intake is a horizontally arranged opening;
[0015] The exhaust port is connected to the air intake port.
[0016] The above design, first of all, sets up ventilation ducts. When a car enters the underground parking lot, the hot air exhausted by the car will tend to rise and enter the ventilation duct from the air inlet set on the roof and be discharged from the exhaust outlet, thereby keeping the temperature of the underground parking lot from rising, forming a self-cooling effect; secondly, by setting up an air collecting structure, the trumpet-type structure will collect more wind, and when the channel size is reduced, the wind flow rate will increase, and the flowing wind will form a negative pressure. The air intake of the air collecting structure is set horizontally, and the air intake of the air collecting structure on the lower side of the air outlet will inhale air from the exhaust outlet of the ventilation duct due to the negative pressure, thereby improving the exhaust effect of the ventilation duct, and does not require electricity to drive, saving electricity.
[0017] Preferably, a one-way valve with its conduction direction toward the air inlet is provided between the exhaust port and the air inlet; secondly, a one-way valve with its conduction direction toward the air inlet is provided between the exhaust port and the air inlet to prevent wind from flowing back into the ventilation duct and affecting the ventilation effect of the ventilation duct.
[0018] Preferably, the lower side of the air collecting structure is at the air intake, and the height gradually increases from the air inlet to the air intake. When the wind enters the air collecting structure, the gradually increasing structure will increase the wind speed, improve the air intake effect of the air intake, and thus improve the air intake effect of the ventilation duct. The ventilation duct has a better heat absorption effect in the underground parking lot, which can improve the self-cooling effect of the self-cooling system.
[0019] Preferably, each ventilation duct is provided with four wind collecting structures, the air outlets of the four wind collecting structures are connected, the four wind collecting structures are arranged around an air intake, and the two opposite wind collecting structures are in a straight-through structure; by setting up four wind collecting structures, the wind negative pressure system can receive wind from all directions, improve the wind collection effect of the wind collecting structure, reduce the adjustment angle required for the wind system, and make the wind collecting device operate more stably.
[0020] Preferably, the roof is arranged with a plurality of ventilation ducts; the plurality of ventilation ducts ensure that the heat in various parts of the underground parking lot can be smoothly dissipated, so that the underground parking lot has a continuously working self-cooling system without consuming a large amount of electricity.
[0021] Preferably, water troughs are provided on the ground of the underground parking lot, and the water troughs are distributed along the arrangement trajectory of the ventilation ducts; the water in the water troughs will take away heat during evaporation, and the water vapor will be discharged to the outside through the ventilation ducts, thereby forming a better and continuous cooling effect on the underground parking lot.
[0022] Preferably, a cover plate is provided on the water tank, and slot holes with a width of no more than 2 cm are arranged on the cover plate; the cover plate is provided to prevent vehicles entering or exiting the water tank from getting stuck in the water tank.
[0023] Preferably, the area of the air inlet is greater than 3 times the area of the air outlet; the area of the air outlet is greater than 1 times the area of the air outlet and less than 1.5 times the area of the air outlet; the area of the air outlet is greater than 1 times the area of the air outlet and less than 1.5 times the area of the air outlet; to ensure that the wind collecting structure can collect enough wind.
[0024] Preferably, the ratio of the diameter of the air inlet of the trumpet-type air collecting structure to the depth from the air inlet to the air outlet of the air collecting structure is greater than 0.4 to 1 and less than 1.6 to 1; ensuring that the wind will not be bounced back after entering the air collecting structure, and the wind can smoothly pass through the suction to form negative pressure and inhale through the suction port. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work. Among them:
[0026] Figure 1 This is a structural diagram of a self-cooling system for an underground parking lot according to an embodiment of the present invention;
[0027] Figure 2 This is a schematic diagram of the ventilation duct and air collection structure of the underground parking lot self-cooling system according to an embodiment of the present invention. DETAILED DESCRIPTION
[0028] In order to make the above-mentioned objects, features and advantages of the present invention more understandable, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.
[0029] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0030] Next, the present invention is described in detail with reference to schematic diagrams. For ease of illustration, cross-sectional views of device structures may be partially enlarged and not to scale when describing embodiments of the present invention. Furthermore, the schematic diagrams are merely illustrative and should not limit the scope of protection of the present invention. Furthermore, in actual production, three-dimensional dimensions, including length, width, and depth, should be included.
[0031] Furthermore, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in less than one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it necessarily refer to a separate or selective embodiment that is mutually exclusive with other embodiments.
[0032] Example 1
[0033] Reference Figure 1 and Figure 2 The underground parking lot self-cooling system includes an underground parking lot, and the underground parking lot 1 has a ground 11 and a roof 12.
[0034] The ventilating duct 2 is provided with an air inlet 21, and the air inlet 21 is provided on the roof 12 of the underground parking lot 1; the ventilating duct 2 has an air outlet 22; the ventilating duct 2 is provided with a wind negative pressure system, and the wind negative pressure system includes an air collecting structure 3; the air collecting structure 3 is provided with a trumpet-shaped air collecting structure 3 with a large opening area at one end and a small opening area at the other end, the end of the air collecting structure 3 with a large opening area serves as an air inlet 31, and the other end with a small opening area serves as an air outlet 32; the air collecting structure 3 is provided with an opening on the lower side surface at one end of the air outlet 32 as an air intake 33; the air collecting structure 3 is provided with a horizontal surface on the lower side surface at one end of the air outlet 32 at the air intake 33; the air intake 33 is a horizontally arranged opening; the air outlet 22 and the air intake 33 are arranged horizontally. 33 is connected. First, by setting up the ventilation duct 2, when a car enters the underground parking lot 1, the hot air exhausted by the car will rise and enter the ventilation duct 2 from the air inlet 21 set on the roof 12 and be discharged from the exhaust vent 22, thereby keeping the temperature of the underground parking lot 1 from rising, forming a self-cooling effect; secondly, by setting up the wind collecting structure 3, the trumpet-type structure will collect more wind, and when the channel size is reduced, the wind flow rate will increase, and the flowing wind will form a negative pressure. The air intake 33 of the wind collecting structure 3 is set horizontally, and the air intake 33 of the wind collecting structure 3 on the lower side of the air outlet 32 will inhale air from the exhaust vent 22 of the ventilation duct 2 due to the negative pressure, thereby improving the exhaust effect of the ventilation duct 2, and does not require electricity to drive, saving electricity.
[0035] A one-way valve with its conduction direction toward the air inlet 33 is provided between the exhaust port 22 and the air inlet 33; secondly, a one-way valve with its conduction direction toward the air inlet 33 is provided between the exhaust port 22 and the air inlet 33 to prevent wind from flowing back into the ventilation duct 2 and affecting the ventilation effect of the ventilation duct 2.
[0036] The lower side of the air collecting structure 3 is at the air intake 33, and is a structure with a height gradually increasing from the air inlet 31 to the air intake 33; when the wind enters the air collecting structure 3, the gradually increasing structure will increase the wind speed, improve the air intake effect of the air intake 33, thereby improving the air intake effect of the ventilation duct 2. The ventilation duct 2 has a better heat absorption effect in the underground parking lot 1, which can improve the self-cooling effect of the self-cooling system.
[0037] The area of the air inlet 31 is larger than 3 times the area of the exhaust port 22; the area of the air outlet 32 is larger than 1 times the area of the exhaust port 22 and smaller than 1.5 times the area of the exhaust port 22; the area of the air outlet 32 is larger than 1 times the area of the exhaust port 22 and smaller than 1.5 times the area of the exhaust port 22; ensure that the wind collecting structure 3 can collect enough wind.
[0038] The ratio of the diameter of the air inlet 31 of the trumpet-shaped air collecting structure 3 to the depth from the air inlet 31 to the air outlet 32 of the air collecting structure 3 is greater than 0.4 to 1 and less than 1.6 to 1; it is ensured that the wind will not be rebounded after entering the air collecting structure 3, and the wind can smoothly pass through the air intake to form a negative pressure, and inhale through the air intake 33
[0039] When in use, the horn-shaped structure of the wind collecting structure 3 will collect more wind, and when the channel size is reduced, the wind flow rate will increase, and the flowing wind will form a negative pressure. The air intake 33 of the wind collecting structure 3 is arranged horizontally, and the air intake 33 of the wind collecting structure 3 on the lower side of the air outlet 32 will inhale air from the exhaust port 22 of the ventilation duct 2 due to the negative pressure. When a car enters the underground parking lot 1, the one-way valve prevents wind from flowing back into the ventilation duct 2 and affecting the ventilation effect of the ventilation duct 2. The hot air exhausted by the car will rise and enter the ventilation duct 2 from the air inlet 21 arranged on the roof 12 and be discharged from the exhaust port 22, thereby keeping the temperature of the underground parking lot 1 from rising, forming a self-cooling effect.
[0040] Example 2
[0041] Reference Figure 1 and Figure 2 , which is the second embodiment of the present utility model, and this embodiment is based on the previous embodiment.
[0042] Four air collecting structures 3 are provided on each ventilation duct 2, and the air outlets 32 of the four air collecting structures 3 are connected. The four air collecting structures 3 are arranged around an air intake 33, and the two opposite air collecting structures 3 are in a straight-through structure; by setting up four air collecting structures 3, the wind negative pressure system can receive wind from all directions, improve the wind collection effect of the air collecting structure 3, reduce the adjustment angle required for the wind system, and make the air collecting device operate more stably.
[0043] The roof 12 is provided with a plurality of ventilation ducts 2 arranged therein; the plurality of ventilation ducts 2 ensure that the heat from all parts of the underground parking lot 1 can be smoothly dissipated, thereby providing the underground parking lot 1 with a continuously working self-cooling system without consuming a large amount of electricity.
[0044] A water trough 4 is provided on the ground 11 of the underground parking lot 1, and the water trough 4 is distributed along the arrangement trajectory of the ventilation duct 2; the water in the water trough 4 will take away heat during the evaporation process, and the water vapor will be discharged to the outside from the ventilation duct 2, thereby forming a better and continuous cooling effect on the underground parking lot 1.
[0045] The water tank 4 is provided with a cover plate, on which slots with a width of no more than 2 cm are arranged; the cover plate is provided to prevent vehicles from entering or exiting the water tank 4 and getting stuck in the water tank 4.
[0046] During use, a plurality of ventilation ducts 2 are arranged on the roof 12, and a water tank 4 is provided on the ground 11 of the underground parking lot 1. Water is continuously circulated in the water tank 4. The water in the water tank 4 will take away heat during evaporation, and the water vapor is discharged to the outside from the ventilation duct 2, thereby better and continuously cooling the underground parking lot 1, so that the underground parking lot 1 has a continuously working self-cooling system without consuming a large amount of electricity. The four wind collecting structures 3 on each ventilation duct 2 enable the wind negative pressure system to receive wind from all directions. The air intake 33 on the lower side of the air outlet 32 of the air collecting structure 3 will inhale air from the exhaust port 22 of the ventilation duct 2 due to the negative pressure. When a car enters the underground parking lot 1, the hot air exhausted by the car will rise from the air inlet 21 set on the roof 12 into the ventilation duct 2 and be discharged from the exhaust port 22, thereby keeping the temperature of the underground parking lot 1 from rising, forming a self-cooling effect.
[0047] It is important to note that the configuration and arrangement of the present application, as illustrated in various exemplary embodiments, are illustrative only. Although only a few embodiments are described in detail in this disclosure, those reading this disclosure should readily appreciate that numerous modifications are possible without materially departing from the novel aspects and advantages of the subject matter described herein. For example, variations in the size, dimensions, structure, shape, and proportions of various components, as well as parameter values such as temperature, pressure, mounting arrangements, use of materials, color, and orientation are possible. For example, components shown as integrally formed may be constructed from multiple parts or components, the positions of components may be inverted or otherwise altered, and the nature, number, or position of discrete components may be modified or changed. Therefore, all such modifications are intended to be encompassed within the scope of this disclosure. The order or sequence of any process or method steps may be altered or reordered according to alternative embodiments. In the claims, any "means-plus-function" clause is intended to cover structures that perform the functions described herein, and not only structural equivalence but also structural equivalents. Other substitutions, modifications, changes, and omissions may be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of this disclosure. Therefore, the invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.
[0048] Additionally, in order to provide a concise description of the exemplary embodiments, all features of the actual embodiment may not be described, ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention.
[0049] It should be understood that in the development of any actual embodiment, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but for those of ordinary skill having the benefit of this disclosure, the development effort will be a routine task of design, fabrication, and production without undue experimentation.
[0050] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, and all of these should be included in the scope of the claims of the present invention.
Claims
1. An underground parking lot self-cooling system includes an underground parking lot having a ground surface and a roof, and is characterized by: It also includes a ventilation duct, wherein the ventilation duct is provided with an air inlet, and the air inlet is provided on the roof of the underground parking lot; The ventilation duct has an exhaust port; It also includes a wind negative pressure system, which includes a wind collecting structure; The wind collecting structure is provided with a trumpet-shaped wind collecting structure with a large opening area at one end and a small opening area at the other end. The end of the wind collecting structure with a large opening area serves as an air inlet, and the other end with a small opening area serves as an air outlet. The air collecting structure is provided with an opening on the lower side of one end of the air outlet as an air intake; The lower side surface of the air collecting structure at one end of the air outlet is a horizontal surface at the air inlet; The air intake is a horizontally arranged opening; The exhaust port is connected to the air intake port.
2. The underground parking lot self-cooling system according to claim 1, characterized in that: A one-way valve is provided between the air outlet and the air inlet, with the conducting direction facing the air inlet.
3. The underground parking lot self-cooling system according to claim 1, characterized in that: The lower side of the air collecting structure is at the air intake, and is a structure with a height gradually increasing from the air inlet to the air intake.
4. The underground parking lot self-cooling system according to claim 1, characterized in that: Each ventilation duct is provided with 4 air collecting structures, the air outlets of the four air collecting structures are connected, the four air collecting structures are arranged around an air intake, and the two opposite air collecting structures are in a straight-through structure.
5. The underground parking lot self-cooling system according to claim 1, characterized in that: A plurality of ventilation ducts are arranged on the roof.
6. The underground parking lot self-cooling system according to claim 5, characterized in that: The ground of the underground parking lot is provided with water troughs, and the water troughs are distributed along the arrangement track of the ventilation ducts.
7. The underground parking lot self-cooling system according to claim 6, characterized in that: The water tank is provided with a cover plate, and slot holes with a width not greater than 2 cm are arranged in an array on the cover plate.
8. The underground parking lot self-cooling system according to claim 1, characterized in that: The area of the air inlet is greater than 3 times the area of the air outlet; The area of the air outlet is greater than 1 times the area of the exhaust port and less than 1.5 times the area of the exhaust port.
9. The underground parking lot self-cooling system according to claim 8, characterized in that: The ratio of the diameter of the air inlet of the trumpet-type air collecting structure to the depth from the air inlet to the air outlet of the air collecting structure is greater than 0.4 to 1 and less than 1.6 to 1.