Cooling structure for energy storage box
By setting up ventilation pipes and chimney pipe structures in the energy storage box and combining them with heat conduction plates for heat exchange, the problem of low heat dissipation efficiency of the energy storage box is solved, efficient heat dissipation is achieved without increasing energy consumption, and operating costs are reduced.
Patent Information
- Application Number
- CN202422685641.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-11-05
AI Technical Summary
Existing energy storage boxes have low heat dissipation efficiency and rely on natural ventilation, which affects stable operation when ventilation conditions are poor. Installing refrigeration equipment increases energy consumption, resulting in high operating costs.
A ventilation pipe and a chimney pipe structure are set up in the energy storage box. External airflow enters through the ventilation pipe and is discharged from the chimney pipe. Heat exchange is carried out in combination with the heat conduction plate. The chimney effect is used to improve the airflow efficiency and achieve efficient heat dissipation.
Without increasing energy consumption, the heat dissipation efficiency of the energy storage box is significantly improved, the operating cost is reduced, and the cooling speed of the heat conduction plate and the heat dissipation effect inside the box are improved.
Smart Images
Figure CN223428004U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of energy storage boxes, and in particular to a cooling structure for an energy storage box. Background Art
[0002] The energy storage box is a grid-side outdoor smart substation based on the "standard power distribution" concept, primarily used to store and convert electrical energy. It consists of a charger, inverter, battery, isolation transformer, switch, and other components, and can convert DC power into AC power, making it suitable for smart substation construction.
[0003] Existing energy storage boxes mostly rely on natural ventilation for heat dissipation, or by installing refrigeration equipment inside for cooling. Natural ventilation generates a lot of heat inside the energy storage box. Under poor ventilation conditions, it is very easy to affect the stable operation of the energy storage box. If cooling is carried out by adding refrigeration equipment, energy consumption will be greatly increased, which will increase the operating cost of the energy storage box.
[0004] Therefore, there is an urgent need for a technology that can improve the heat dissipation efficiency of the energy storage box without increasing the energy consumption of the energy storage box. Summary of the Invention
[0005] In view of this, the present invention proposes a battery pack, which aims to solve the problem of how to improve the heat dissipation efficiency of the energy storage box without increasing the energy consumption of the energy storage box.
[0006] In one aspect, the present invention provides a cooling structure for an energy storage box, comprising:
[0007] The box body has an external air inlet at the lower portion of its outer side wall;
[0008] a ventilation duct, vertically inserted into the box and in contact with the inner side wall of the box; a lower end of the ventilation duct is in contact with the inner bottom surface of the box, and an upper end passes through the top surface of the box and is exposed at the outer top surface of the box; a lower end of the ventilation duct is connected to the external air inlet, so that external air flows into the ventilation duct;
[0009] A chimney pipe is vertically arranged above the box body, the upper end of the ventilation pipe is connected to the chimney pipe, and the airflow outside the box body enters the ventilation pipe through the external air inlet and is discharged through the chimney pipe;
[0010] A heat conducting plate is arranged inside the box and contacts the ventilation pipe. The heat conducting plate is used to perform heat exchange with the ventilation pipe so as to cool the heat conducting plate by the external air flow flowing through the ventilation pipe.
[0011] Furthermore, the ventilation pipes are provided on opposite sides of the box body, the upper ends of the ventilation pipes on both sides of the box body are connected to the chimney pipe, and two heat conducting plates are provided, each of which is in contact with the ventilation pipe on one side of the box body.
[0012] Furthermore, a plurality of ventilation pipes are arranged side by side on each side of the box body, a plurality of external air inlets are opened at the lower part of the box body, the lower end of each ventilation pipe is connected to one of the external air inlets, and the plurality of ventilation pipes on the same side are in contact with one of the heat conducting plates at the same time;
[0013] The ventilation pipe has a square structure, and one side wall of the ventilation pipe is tightly fitted with the heat conducting plate.
[0014] Furthermore, an internal air inlet is provided on a side of the lower portion of the ventilation pipe facing the interior of the box, and the internal air inlet faces in opposite directions to the external air inlet;
[0015] An internal air collecting hood is provided at the internal air inlet, and an external air collecting hood is provided at the external air inlet.
[0016] Furthermore, an air guide portion is provided inside the ventilation duct, the air guide portion is provided on the inner bottom surface of the box body, and is located between the internal air inlet and the external air inlet, and the air guide portion is used to control the opening and closing of the internal air inlet and the external air inlet.
[0017] Furthermore, the air guide portion includes:
[0018] A hinge shaft is located in the ventilation pipe and fixed on the inner bottom surface of the box body;
[0019] a baffle, the lower end of which is hinged to the hinge shaft, and the baffle is used to cover the internal air inlet or the external air inlet after rotation;
[0020] The electric cylinder is arranged in a horizontal direction, one end of which is fixed on the inner wall of the ventilation pipe, the driving end of the electric cylinder is connected to the side wall of the baffle, and the electric cylinder is used to drive the baffle to rotate.
[0021] Furthermore, the middle part of the chimney pipe is connected to the ventilation pipe, the lower end of the chimney pipe passes through the top of the box body and is inserted into the box body, and a top air outlet is formed at the top of the box body, and the top air outlet is used to discharge the airflow in the box body through the chimney pipe.
[0022] Furthermore, the top air outlet is provided with a top air collecting cover located inside the box body, and a first exhaust fan is provided in the chimney pipe above the top air outlet, and the first exhaust fan is located below the intersection of the ventilation pipe and the chimney pipe;
[0023] A rotating plate is provided in the chimney pipe between the top wind collecting hood and the first exhaust fan, and a driving motor is provided on the upper top surface of the box body. The driving end of the driving motor is connected to the rotating plate, and the driving motor is used to drive the rotating plate to rotate so that the top air outlet is opened or closed.
[0024] Furthermore, a second exhaust fan is provided on the upper side of the interior of the chimney pipe, and the second exhaust fan is located above the intersection of the ventilation pipe and the chimney pipe.
[0025] Furthermore, a first temperature sensor is provided on the inner top surface of the box.
[0026] A second temperature sensor is provided on the side wall of the heat conducting plate;
[0027] A third temperature sensor is arranged on the inner bottom surface of the box.
[0028] Compared with the prior art, the beneficial effect of the present invention lies in that an external air inlet is opened at the lower part of the box body, a ventilation pipe is arranged in the box body, the lower end of the ventilation pipe is in contact with the inner bottom surface of the box body, the upper end passes through the top surface of the box body and is exposed at the outer top surface of the box body, the lower end of the ventilation pipe is connected to the external air inlet, so that external air enters the ventilation pipe, a chimney pipe is arranged above the box body, the upper end of the ventilation pipe is connected to the chimney pipe, and the air outside the box enters the ventilation pipe through the external air inlet and is discharged through the chimney pipe. A heat conducting plate is arranged inside the box body, the heat conducting plate is in contact with the ventilation pipe, and the heat conducting plate absorbs the heat inside the box body and then exchanges heat with the ventilation pipe. The heat conducting plate is cooled by the external air flow flowing through the ventilation pipe, so that the heat inside the box can be dissipated. At the same time, the present invention can effectively improve the air flow efficiency in the ventilation pipe by utilizing the chimney effect, thereby increasing the cooling speed of the heat conducting plate, and thus can greatly improve the heat dissipation efficiency inside the box without increasing the operating cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0029] Various other advantages and benefits will become apparent to those skilled in the art upon reading the detailed description of the preferred embodiment below. The accompanying drawings are for illustration purposes only and are not to be considered as limiting the present invention. The same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:
[0030] Figure 1 A longitudinal sectional view of a cooling structure for an energy storage box provided in an embodiment of the present utility model;
[0031] Figure 2 A side view of a cooling structure for an energy storage box provided in an embodiment of the present utility model;
[0032] Figure 3 A cross-sectional view of a cooling structure for an energy storage box provided in an embodiment of the present utility model. DETAILED DESCRIPTION
[0033] The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0034] In the description of this application, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.
[0035] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. Throughout this application, unless otherwise specified, "plurality" means two or more.
[0036] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.
[0037] See Figure 1-3 As shown, this embodiment provides a cooling structure for an energy storage box, including a box body 100, a ventilation pipe 110, a chimney pipe 130 and a heat conducting plate 150, and an external air inlet 111 is opened at the lower part of the outer wall of the box body 100.
[0038] The ventilation duct 110 is vertically inserted into the box body 100 and contacts the inner side wall of the box body 100. The lower end of the ventilation duct 110 contacts the inner bottom surface of the box body 100, and the upper end passes through the top surface of the box body 100 and is exposed on the outer top surface of the box body 100. The lower end of the ventilation duct 110 is connected to the external air inlet 111, so that external air can enter the ventilation duct 110.
[0039] The chimney pipe 130 is vertically arranged above the box body 100, and the upper end of the ventilation pipe 110 is connected to the chimney pipe 130. The airflow outside the box body 100 enters the ventilation pipe 110 through the external air inlet 111 and is discharged through the chimney pipe 130; when the upper end of the ventilation pipe 110 is connected to the chimney pipe 130, they are connected through the connecting pipe 120 to increase the overall length of the ventilation pipe 110 after being connected to the chimney pipe 130.
[0040] The heat conducting plate 150 is disposed inside the housing 100 and contacts the ventilation pipe 110 . The heat conducting plate 150 is used to perform heat exchange with the ventilation pipe 110 so that the heat conducting plate 150 is cooled by external airflow flowing through the ventilation pipe 110 .
[0041] In the above embodiment, an external air inlet 111 is opened at the lower part of the box body 100, and a ventilation pipe 110 is set in the box body 100. The lower end of the ventilation pipe 110 contacts the inner bottom surface of the box body 100, and the upper end passes through the top surface of the box body 100 and is exposed on the outer top surface of the box body 100. The lower end of the ventilation pipe 110 is connected to the external air inlet 111, so that the external air flow enters the ventilation pipe 110. A chimney pipe 130 is set above the box body 100, and the upper end of the ventilation pipe 110 is connected to the chimney pipe 130. After the air flow outside the box body 100 enters the ventilation pipe 110 through the external air inlet 111, it is discharged through the chimney pipe 130. A heat conducting plate 150 is provided inside the box body 100, and the heat conducting plate 150 is in contact with the ventilation pipe 110. After absorbing the heat inside the box body 100, the heat conducting plate 150 exchanges heat with the ventilation pipe 110. The heat conducting plate 150 is cooled by the external airflow flowing through the ventilation pipe 110, thereby dissipating the heat inside the box body 100. At the same time, the utility model can effectively improve the airflow efficiency in the ventilation pipe 110 by utilizing the chimney effect, thereby increasing the cooling speed of the heat conducting plate 150, and further greatly improving the heat dissipation efficiency inside the box body 100 without increasing the operating cost.
[0042] Specifically, ventilation pipes 110 are provided on opposite sides of the box body 100, and the upper ends of the ventilation pipes 110 on both sides of the box body 100 are connected to the chimney pipe 130. Two heat conducting plates 150 are provided, and each heat conducting plate 150 is in contact with the ventilation pipe 110 on one side of the box body 100.
[0043] Specifically, a plurality of ventilation ducts 110 are arranged side by side on each side of the box body 100, and a plurality of external air inlets 111 are opened at the lower part of the box body 100. The lower end of each ventilation duct 110 is connected to an external air inlet 111, and the plurality of ventilation ducts 110 on the same side are in contact with a heat conducting plate 150 at the same time; the ventilation duct 110 has a square structure, and one side wall of the ventilation duct 110 is tightly fitted with the heat conducting plate 150.
[0044] It can be seen that the above embodiment can increase the contact area of the ventilation pipe 110 and the heat conduction plate 150 by arranging multiple ventilation pipes 110 side by side and arranging the ventilation pipes 110 on opposite sides inside the box body 100, thereby further improving the heat dissipation efficiency inside the box body 100.
[0045] Specifically, the lower part of the ventilation pipe 110 is provided with an internal air inlet 113 on one side facing the inside of the box body 100, and the internal air inlet 113 faces in the opposite direction of the external air inlet 111; the internal air inlet 113 is provided with an internal air collecting cover 114, and the external air inlet 111 is provided with an external air collecting cover 112. By arranging the air collecting cover, the air intake efficiency can be effectively improved.
[0046] Specifically, the ventilation pipe 110 is provided with a wind guide part 140, which is arranged on the inner bottom surface of the box body 100 and located between the internal air inlet 113 and the external air inlet 111, and the wind guide part 140 is used to control the opening and closing of the internal air inlet 113 and the external air inlet 111.
[0047] Specifically, the wind guide part 140 includes a hinge shaft 143, a baffle 141 and an electric cylinder 142, the hinge shaft 143 is located in the ventilation pipe 110 and fixed on the inner bottom surface of the box body 100; the lower end of the baffle 141 is hinged to the hinge shaft 143, and the baffle 141 is used to cover the internal air inlet 113 or the external air inlet 111 after rotating; the electric cylinder 142 is arranged in the horizontal direction, one end of which is fixed on the inner side wall of the ventilation pipe 110, and the driving end of the electric cylinder 142 is connected with the side wall of the baffle 141, and the electric cylinder 142 is used to drive the baffle 141 to rotate.
[0048] Specifically, the middle part of the chimney pipe 130 is communicated with the ventilation pipe 110, the lower end of the chimney pipe 130 penetrates through the top of the box body 100 and is inserted into the box body 100, and the top air outlet 131 is formed on the top of the box body 100, which is used to exhaust the airflow in the box body 100 through the chimney pipe 130.
[0049] Specifically, the top air outlet 131 is provided with a top air collecting cover 132 located inside the box body 100, and the first exhaust fan 134 is arranged in the chimney pipe 130 above the top air outlet 131, and the first exhaust fan 134 is located below the intersection of the ventilation pipe 110 and the chimney pipe 130; the chimney pipe 130 between the top air collecting cover 132 and the first exhaust fan 134 is provided with a rotating plate 162, and the upper top surface of the box body 100 is provided with a driving motor 161, and the driving end of the driving motor 161 is connected with the rotating plate 162, and the driving motor 161 is used to drive the rotating plate 162 to rotate, so as to open or close the top air outlet 131.
[0050] Specifically, a second exhaust fan 133 is provided on the upper side of the chimney pipe 130 , and the second exhaust fan 133 is located above the intersection of the ventilation pipe 110 and the chimney pipe 130 .
[0051] Specifically, a first temperature sensor 171 is provided on the inner top surface of the box 100, a second temperature sensor 151 is provided on the side wall of the heat conducting plate 150, and a third temperature sensor 172 is provided on the inner bottom surface of the box 100. By providing temperature sensors in different areas, heat dissipation can be controlled according to the temperature conditions at different locations within the box 100.
[0052] Those skilled in the art will understand that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.
Claims
1. A cooling structure for an energy storage box, characterized in that: include: The box body has an external air inlet at the lower portion of its outer side wall; a ventilation duct, vertically inserted into the box and in contact with the inner side wall of the box; a lower end of the ventilation duct is in contact with the inner bottom surface of the box, and an upper end passes through the top surface of the box and is exposed at the outer top surface of the box; a lower end of the ventilation duct is connected to the external air inlet, so that external air flows into the ventilation duct; A chimney pipe is vertically arranged above the box body, the upper end of the ventilation pipe is connected to the chimney pipe, and the airflow outside the box body enters the ventilation pipe through the external air inlet and is discharged through the chimney pipe; A heat conducting plate is arranged inside the box and contacts the ventilation pipe. The heat conducting plate is used to perform heat exchange with the ventilation pipe so as to cool the heat conducting plate by the external air flow flowing through the ventilation pipe.
2. The cooling structure for an energy storage box according to claim 1, characterized in that: The ventilation pipes are provided on opposite sides of the box body, and the upper ends of the ventilation pipes on both sides of the box body are connected to the chimney pipe. Two heat conducting plates are provided, and each heat conducting plate is in contact with the ventilation pipe on one side of the box body.
3. The cooling structure for an energy storage box according to claim 2, characterized in that: A plurality of ventilation pipes are arranged side by side on each side of the box body, a plurality of external air inlets are opened at the lower part of the box body, the lower end of each ventilation pipe is connected to one of the external air inlets, and the plurality of ventilation pipes on the same side are in contact with one of the heat conducting plates at the same time; The ventilation pipe has a square structure, and one side wall of the ventilation pipe is tightly fitted with the heat conducting plate.
4. The cooling structure for an energy storage box according to claim 1, characterized in that: An internal air inlet is provided on a side of the lower portion of the ventilation duct facing the interior of the box, and the internal air inlet faces in opposite directions to the external air inlet; An internal air collecting hood is provided at the internal air inlet, and an external air collecting hood is provided at the external air inlet.
5. The cooling structure for an energy storage box according to claim 1, characterized in that: An air guide portion is provided inside the ventilation duct, the air guide portion is provided on the inner bottom surface of the box body and is located between the internal air inlet and the external air inlet, and the air guide portion is used to control the opening and closing of the internal air inlet and the external air inlet.
6. The cooling structure for an energy storage box according to claim 5, characterized in that: The air guide portion includes: A hinge shaft is located in the ventilation pipe and fixed on the inner bottom surface of the box body; a baffle, the lower end of which is hinged to the hinge shaft, and the baffle is used to cover the internal air inlet or the external air inlet after rotation; The electric cylinder is arranged in a horizontal direction, one end of which is fixed on the inner wall of the ventilation pipe, the driving end of the electric cylinder is connected to the side wall of the baffle, and the electric cylinder is used to drive the baffle to rotate.
7. The cooling structure for an energy storage box according to claim 1, characterized in that: The middle part of the chimney pipe is connected to the ventilation pipe, the lower end of the chimney pipe passes through the top of the box body and is inserted into the box body, and a top air outlet is formed in the top of the box body, and the top air outlet is used to discharge the airflow in the box body through the chimney pipe.
8. The cooling structure for an energy storage box according to claim 7, characterized in that: The top air outlet is provided with a top air collecting cover located inside the box body, and a first exhaust fan is provided in the chimney pipe above the top air outlet, and the first exhaust fan is located below the intersection of the ventilation pipe and the chimney pipe; A rotating plate is provided in the chimney pipe between the top wind collecting hood and the first exhaust fan, and a driving motor is provided on the upper top surface of the box body. The driving end of the driving motor is connected to the rotating plate, and the driving motor is used to drive the rotating plate to rotate so that the top air outlet is opened or closed.
9. The cooling structure for an energy storage box according to claim 1, characterized in that: A second exhaust fan is provided on the upper side of the interior of the chimney pipe, and the second exhaust fan is located above the intersection of the ventilation pipe and the chimney pipe.
10. The cooling structure for an energy storage box according to claim 1, characterized in that: A first temperature sensor is provided on the inner top surface of the box. A second temperature sensor is provided on the side wall of the heat conducting plate; A third temperature sensor is arranged on the inner bottom surface of the box.