A high-pressure gas induction device for an energy storage test system

Abstract

The application discloses a high-pressure gas injection device of an energy storage test system, which comprises a gas tank fixing seat, a gas tank is arranged in the gas tank fixing seat, a threaded groove is arranged at the tank opening of the gas tank, a sealing plate is movably arranged between the threaded groove and the gas tank, a threaded pipe extends into the threaded groove and pushes the sealing plate inward, a sealing groove is arranged on the outer side of the threaded groove, a sealing gasket for the sealing groove is sleeved on the threaded pipe, and a first electromagnetic pulse valve is arranged in the threaded pipe. The high-pressure gas injection device of the energy storage test system is designed with one row of air guide wheels arranged in the upper and lower positions, air flow pushes the air baffle during the injection process, so that the air guide wheels rotate, when the communication flow channel moves to the horizontal position, the two ends are respectively connected to the air inlet hole and the air outlet hole, so that part of the cold air in the injection flow channel is injected into the side position of the energy storage box through the air outlet hole, different working conditions are met, and better use prospect is brought.

Description

Technical Field

[0001] This invention relates to the field of energy storage battery heat dissipation technology, and in particular to a high-pressure gas ejector device for an energy storage testing system. Background Technology

[0002] With the gradual improvement of the State Grid construction, the demand for energy storage technology is constantly increasing. As a key component of energy storage equipment, the battery pack directly affects the performance of the energy storage system. The dense battery arrangement causes the batteries to generate a lot of heat when charging and discharging the energy storage system. In addition, due to the dense and compact arrangement of the batteries, even if the temperature of the overall arrangement space in the energy storage box can be effectively reduced by the existing heat dissipation devices, the local heat in the battery box is difficult to be dissipated evenly in a timely manner. The battery operating environment has large temperature differences. Long-term operation of the battery pack in an environment with large temperature differences will lead to serious inconsistencies in the internal resistance and capacity between batteries, which may cause some batteries to be overcharged or over-discharged, affecting the life and performance of the energy storage system, and even causing safety hazards in severe cases. Therefore, existing technologies will set corresponding heat dissipation structures on the outside of the battery box, such as commonly used air duct groups and indoor air conditioners. The air blowing area of ​​the air duct is small. If the air outlet is opened on the air duct, the higher the position, the less air force it receives due to air pressure, resulting in uneven air cooling. Air conditioning is a waste in terms of operating costs and is prone to causing electrical safety accidents. To address this, we propose a high-pressure gas ejector device for energy storage testing systems. Summary of the Invention

[0003] The main objective of this invention is to provide a high-pressure gas ejector device for an energy storage testing system, which can effectively solve the problems in the background art.

[0004] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0005] A high-pressure gas ejector device for an energy storage testing system includes a gas tank mounting base, a gas tank installed inside the gas tank mounting base, a threaded groove provided at the opening of the gas tank, a sealing plate movably disposed between the threaded groove and the inside of the gas tank, a threaded tube extending into the threaded groove and pushing the sealing plate inward, a sealing groove provided on the outside of the threaded groove, a sealing gasket acting on the sealing groove being sleeved on the threaded tube, and a first electromagnetic pulse valve installed inside the threaded tube;

[0006] The other end of the threaded pipe extends into the cooling water tank. The threaded pipe is connected to the air bag through a telescopic pipe. The other end of the air bag is connected to the main pipe through a telescopic pipe. A second electromagnetic pulse valve is installed in the main pipe. A tie rope is provided at the bottom of the cooling water tank and is fixed by the tie rope and the rope buckle at the bottom of the air bag. An ice filling port is provided at the top of the cooling water tank. A shelf is provided below the ice filling port and ice blocks are placed in the shelf.

[0007] The main pipe is connected to the first ejector tube and the second ejector tube via a multi-hole connector. The first ejector tube and the second ejector tube are provided with a partition layer. The outer side of the partition layer is provided with air outlets at equal intervals in the longitudinal direction. The other side of the partition layer is provided with air inlet holes at equal intervals in the longitudinal direction. A guide wheel is rotatably arranged in the partition layer. A rotating shaft is installed in the middle of the guide wheel. The two ends of the rotating shaft are fixed by bearing seats. Two sets of sprockets are sleeved on the rotating shaft. The upper and lower sprockets are connected and driven by a chain. Wind vanes are provided at equal intervals around the outer side of the guide wheel. A connecting flow channel is provided through the guide wheel. The first ejector tube and the second ejector tube are provided with ejector flow channels in the longitudinal direction on one side of the partition layer.

[0008] The first ejector tube and the second ejector tube are provided with nozzles at their tops. The nozzles extend into the interior of the energy storage box. The top of the energy storage box is provided with a top heat sink shell. Two sets of heat dissipation holes are symmetrically arranged on the top heat sink shell. A baffle is provided directly above the top heat sink shell. A heat dissipation vent is opened in the middle of the baffle.

[0009] Preferably, the sealing plate is inwardly open and is in a sealed state under the internal air pressure of the gas tank, the gas tank contains carbon dioxide gas, and the threaded pipe is fixed by a pipe bracket.

[0010] Preferably, the gas bag has the function of temporarily storing gas, the liquid level of the cooling water tank is higher than the bottom of the shelf, and the ice filling port is provided with a cover.

[0011] Preferably, the telescopic tubes on both sides of the air bag are connected to the interior of the air bag, and the air bag, when filled with gas, is pulled by a single rope to undergo irregular swinging motion in the water.

[0012] Preferably, the first ejector tube is located on the left side of the energy storage box, and the second ejector tube is located at the bottom and right side of the energy storage box.

[0013] Preferably, the wind vane on the air guide wheel rotates after contacting the unidirectional airflow in the ejector channel. When the connecting channel moves to a horizontal position, the two ends are respectively connected to the air inlet and air outlet, so that cold air is injected from the air outlet into the side position of the energy storage box. The opening of the air inlet is much larger than that of the air outlet.

[0014] Preferably, the two sets of nozzles are respectively aligned with two sets of heat dissipation holes, and a hot and cold air convection layer is formed between the heat dissipation shell on the top of the machine and the baffle.

[0015] Preferably, the multi-hole tap of the main pipe can connect to multiple sets of ejector tubes, thereby covering the heat dissipation of the entire energy storage box.

[0016] This invention provides an improved high-pressure gas ejector device for an energy storage testing system, which has the following significant improvements and advantages compared to the prior art:

[0017] (1) Design an air bag and a cooling water tank. The air bag, as a component for temporarily storing gas, can create conditions higher than the ejection and can make the internal gas get a lower temperature in the cooling water tank, similar to cold air. The cooling water tank carries ice, which can have a better cooling effect. As the volume of the air bag increases, the contact area with the cooling water increases, accelerating the cooling speed. In addition, the air bag swings irregularly in the water under the pull of a single rope, causing the water in the water tank to cool evenly.

[0018] (2) Design an upper and lower row of air guide wheels. During the ejection process, the airflow pushes the air plate, causing the air guide wheels to rotate. When the connecting channel moves to the horizontal position, the two ends are respectively connected to the air inlet and air outlet, so that some of the cold air in the ejection channel is injected into the side of the energy storage box from the air outlet. Since each group of air guide wheels is connected by a sprocket structure and moves synchronously, the opening time of the connecting channel is consistent and short, so that the amount of gas coming out from each group of air outlets is consistent, achieving uniform cooling on the side of the energy storage box and solving the problem of uneven air outlet of the air duct.

[0019] (3) Design a top temperature control structure. The remaining gas is sprayed out at the nozzle, which quickly carries the hot air gathered below the top heat sink out of the top heat sink and stays in the convection layer of cold and hot air below the baffle. At this time, the cold air, due to its heavier weight, returns to the energy storage box through the two sets of heat dissipation holes to act as temperature control gas, while the hot air, due to its lighter weight, will rise and slowly overflow from the heat dissipation hole, which also solves the problem of poor heat dissipation effect of normal heat dissipation holes.

[0020] (4) The whole device is simple in design, easy to operate, meets the actual use standards, reduces production costs, is environmentally friendly and energy-saving, improves work efficiency, and has a better effect than the traditional method. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of a high-pressure gas ejector device for an energy storage testing system according to the present invention.

[0022] Figure 2 This is a connection view of the gas tank and threaded pipe of the high-pressure gas ejector device in an energy storage testing system according to the present invention.

[0023] Figure 3 This is an internal view of the cooling water tank of the high-pressure gas ejector device in an energy storage testing system according to the present invention.

[0024] Figure 4 This is an internal view of the ejector tube of a high-pressure gas ejector device in an energy storage testing system according to the present invention.

[0025] Figure 5 This is a transmission structure diagram of the guide wheel of the high-pressure gas ejector device in an energy storage testing system according to the present invention.

[0026] In the diagram: 1. Gas tank mounting base; 2. Gas tank; 3. Threaded groove; 4. Sealing plate; 5. Sealing groove; 6. Threaded pipe; 7. Sealing gasket; 8. Electromagnetic pulse valve No. 1; 9. Pipe rack; 10. Cooling water tank; 11. Telescopic pipe; 12. Gas manifold; 13. Main pipe; 14. Electromagnetic pulse valve No. 2; 15. Tie rope; 16. Rope buckle; 17. Ice inlet; 18. Shelf; 19. Ice block; 20. First ejector tube; 21. Second ejector tube; 22. Dividing layer; 23. Air outlet; 24. Air inlet; 25. Air guide wheel; 26. Shaft; 27. Bearing seat; 28. Sprocket; 29. ​​Chain; 30. Air vane; 31. Connecting flow channel; 32. Ejector flow channel; 33. Top heat sink shell; 34. Nozzle; 35. Heat dissipation hole; 36. Baffle; 37. Heat dissipation vent. Detailed Implementation

[0027] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0028] Example 1:

[0029] like Figure 1-5 As shown, a high-pressure gas ejector device for an energy storage testing system includes a gas tank mounting base 1, a gas tank 2 installed inside the gas tank mounting base 1, a threaded groove 3 provided at the opening of the gas tank 2, a sealing plate 4 movably disposed between the threaded groove 3 and the interior of the gas tank 2, a threaded tube 6 extending into the threaded groove 3 and pushing the sealing plate 4 inward, a sealing groove 5 provided on the outside of the threaded groove 3, a sealing gasket 7 acting on the sealing groove 5 sleeved on the threaded tube 6, and a first electromagnetic pulse valve 8 installed inside the threaded tube 6;

[0030] The other end of the threaded pipe 6 extends into the cooling water tank 10. The threaded pipe 6 is connected to the air bag 12 through the telescopic pipe 11. The other end of the air bag 12 is connected to the main pipe 13 through the telescopic pipe 11. A second electromagnetic pulse valve 14 is installed in the main pipe 13. A tie rope 15 is provided at the bottom of the cooling water tank 10. The tie rope 15 is fixed to the air bag 12 by the rope buckle 16 at the bottom. An ice filling port 17 is provided at the top of the cooling water tank 10. A shelf 18 is provided below the ice filling port 17. Ice blocks 19 are placed in the shelf 18.

[0031] The main pipe 13 is connected to the first ejector tube 20 and the second ejector tube 21 through a multi-hole connector. The first ejector tube 20 and the second ejector tube 21 are provided with a partition layer 22. The outer side of the partition layer 22 is provided with air outlets 23 at equal intervals in the longitudinal direction. The other side of the partition layer 22 is provided with air inlets 24 at equal intervals in the longitudinal direction. The partition layer 22 is rotatably provided with a guide wheel 25. The guide wheel 25 is installed with a rotating shaft 26 in the middle. The two ends of the rotating shaft 26 are fixed by bearing seats 27. Two sets of sprockets 28 are sleeved on the rotating shaft 26. The upper and lower sprockets 28 are connected and driven by a chain 29. The outer side of the guide wheel 25 is provided with wind plates 30 at equal intervals. The guide wheel 25 is provided with a connecting flow channel 31. The first ejector tube 20 and the second ejector tube 21 are provided with an ejector flow channel 32 in the longitudinal direction on one side of the partition layer 22.

[0032] The first ejector tube 20 and the second ejector tube 21 are provided with nozzles 34 at their tops. The nozzles 34 extend into the interior of the energy storage box. The top of the energy storage box is provided with a top heat sink 33. Two sets of heat dissipation holes 35 are symmetrically arranged on the top heat sink 33. A baffle 36 is provided directly above the top heat sink 33. A heat dissipation port 37 is opened in the middle of the baffle 36.

[0033] The sealing plate 4 is inwardly open and is sealed under the internal pressure of the gas tank 2. The gas tank 2 contains carbon dioxide gas, which has flame-retardant properties. The threaded pipe 6 is fixed by the pipe bracket 9. The gas bag 12 serves to temporarily store gas. The liquid level in the cooling water tank 10 is higher than the bottom of the shelf 18. The ice filling port 17 is equipped with a cover. The telescopic pipes 11 on both sides of the gas bag 12 are connected to the interior of the gas bag 12. When the gas bag 12 is filled with gas, it is pulled by a single rope 15 and undergoes irregular swinging motion in the water. When the gas bag 12 is filled with gas, the amount of gas ejected and the ejection speed are... All conditions are met for subsequent ejection. The first ejector tube 20 is located on the left side of the energy storage box, and the second ejector tube 21 is located at the bottom and right side of the energy storage box. After the wind vane 30 on the air guide wheel 25 contacts the unidirectional airflow in the ejector channel 32, it rotates. When the connecting channel 31 moves to a horizontal position, its two ends are respectively connected to the air inlet 24 and the air outlet 23, so that cold air is injected from the air outlet 23 into the side position of the energy storage box. The opening of the air inlet 24 is much larger than that of the air outlet 23. The two sets of nozzles 34 are respectively aligned with the two sets of heat dissipation holes 35, and a hot and cold air convection layer is formed between the top heat dissipation shell 33 and the baffle 36.

[0034] It should be noted that this invention is a high-pressure gas ejector device for an energy storage testing system. In use, by opening the first electromagnetic pulse valve 8, carbon dioxide gas in the gas tank 2 flows into the gas bag 12 through the threaded pipe 6. The gas bag 12 is located in the cooling water tank 10. As the volume of the gas bag 12 increases, the contact area with the cooling water increases, accelerating the cooling speed. Furthermore, the gas bag 12, pulled by a single tether 15, undergoes irregular oscillating motion in the water, causing uniform cooling of the water in the tank. Then, by opening the second electromagnetic pulse valve 14, the high-pressure gas in the gas bag 12 instantly flows from the main pipe 13 into the first ejector pipe 20 and the second ejector pipe 21, flowing unidirectionally within their respective ejector channels 32. During this flow, the gas pushes the wind vane 30, causing the guide wheel 25 to rotate. When the connecting channel 31 moves... When the air reaches the horizontal position, the two ends are respectively connected to the air inlet 24 and the air outlet 23, so that part of the cold air in the ejector channel 32 is injected into the side of the energy storage box from the air outlet 23. Since each set of air guide wheels 25 is connected by a sprocket structure and moves synchronously, the opening time of the connecting channel 31 is consistent and short, so that the amount of gas coming out of each set of air outlets 23 is consistent, achieving uniform cooling on the side of the energy storage box. The remaining gas is directly ejected from the nozzle 34, which quickly carries the hot air gathered below the top heat sink 33 out of the top heat sink 33 and stays in the cold and hot air convection layer below the baffle 36. At this time, the cold air, due to its greater weight, returns to the energy storage box from the two sets of heat sinks 35 to act as temperature control gas, while the hot air, due to its lighter weight, rises and slowly overflows from the heat sink 37.

[0035] Example 2:

[0036] Depending on the environment, temperature, and heat dissipation conditions of the energy storage box itself, the multi-hole tap of the main pipe 13 can connect to multiple sets of ejector tubes 20, thereby covering the entire heat dissipation surface of the energy storage box. This is not limited to the first ejector tube 20 and the second ejector tube 21 in Embodiment 1.

[0037] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0038] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-pressure gas ejector device for an energy storage testing system, comprising a gas tank mounting base (1), characterized in that: The gas cylinder mounting base (1) is equipped with a gas cylinder (2). A threaded groove (3) is provided at the opening of the gas cylinder (2). A sealing plate (4) is movably provided between the threaded groove (3) and the inside of the gas cylinder (2). A threaded tube (6) extends into the threaded groove (3) and pushes the sealing plate (4) inward. A sealing groove (5) is provided on the outside of the threaded groove (3). A sealing gasket (7) acting on the sealing groove (5) is sleeved on the threaded tube (6). A first electromagnetic pulse valve (8) is installed inside the threaded tube (6). The other end of the threaded pipe (6) extends into the cooling water tank (10). The threaded pipe (6) is connected to the air bag (12) through the telescopic pipe (11). The other end of the air bag (12) is connected to the main pipe (13) through the telescopic pipe (11). A second electromagnetic pulse valve (14) is installed in the main pipe (13). A rope (15) is provided at the bottom of the cooling water tank (10). The rope (15) is fixed to the air bag (12) by the rope buckle (16) at the bottom. An ice-adding port (17) is provided at the top of the cooling water tank (10). A shelf (18) is provided below the ice-adding port (17). Ice blocks (19) are placed in the shelf (18). The main tube (13) is connected to the first ejector tube (20) and the second ejector tube (21) via a multi-hole connector. The first ejector tube (20) and the second ejector tube (21) are provided with a partition layer (22). The outer side of the partition layer (22) is provided with air outlets (23) at equal intervals in the longitudinal direction. The other side of the partition layer (22) is provided with air inlets (24) at equal intervals in the longitudinal direction. A guide wheel (25) is rotatably arranged in the partition layer (22). A rotating shaft is installed in the middle of the guide wheel (25). (26) The two ends of the rotating shaft (26) are fixed by bearing seats (27). Two sets of sprockets (28) are sleeved on the rotating shaft (26). The upper and lower sprockets (28) are connected and driven by a chain (29). Wind plates (30) are equidistantly arranged around the outer side of the air guide wheel (25). A connecting flow channel (31) is provided through the air guide wheel (25). An ejector flow channel (32) is longitudinally arranged inside the first ejector tube (20) and the second ejector tube (21) and located on one side of the dividing layer (22). The first ejector tube (20) and the second ejector tube (21) are provided with nozzles (34) at their tops. The nozzles (34) extend into the interior of the energy storage box. The top of the energy storage box is provided with a top heat sink shell (33). Two sets of heat dissipation holes (35) are symmetrically arranged on the top heat sink shell (33). A baffle (36) is provided directly above the top heat sink shell (33). A heat dissipation port (37) is opened in the middle of the baffle (36).

2. The high-pressure gas ejector device for an energy storage testing system according to claim 1, characterized in that: The sealing plate (4) is open from the inside and is in a sealed state under the internal air pressure of the gas tank (2). The gas tank (2) contains carbon dioxide gas, and the threaded pipe (6) is fixed by the pipe rack (9).

3. The high-pressure gas ejector device for an energy storage testing system according to claim 2, characterized in that: The gas bag (12) has the function of temporarily storing gas, the liquid level of the cooling water tank (10) is higher than the bottom of the shelf (18), and the ice filling port (17) is provided with a cover.

4. The high-pressure gas ejector device for an energy storage testing system according to claim 3, characterized in that: The telescopic tubes (11) on both sides of the air bag (12) are connected to the interior of the air bag (12). When the air bag (12) is filled with gas, it is pulled by a single rope (15) and swings irregularly in the water.

5. The high-pressure gas ejector device for an energy storage testing system according to claim 4, characterized in that: The first ejector tube (20) is located on the left side of the energy storage box, and the second ejector tube (21) is located at the bottom and right side of the energy storage box.

6. The high-pressure gas ejector device for an energy storage testing system according to claim 5, characterized in that: After the wind vane (30) on the air guide wheel (25) comes into contact with the unidirectional airflow in the ejector channel (32), it rotates. When the connecting channel (31) moves to a horizontal position, the two ends are respectively connected to the air inlet (24) and the air outlet (23), so that cold air is injected from the air outlet (23) into the side position of the energy storage box. The opening of the air inlet (24) is much larger than that of the air outlet (23).

7. The high-pressure gas ejector device for an energy storage testing system according to claim 6, characterized in that: The two sets of nozzles (34) are respectively aligned with the two sets of heat dissipation holes (35), and a hot and cold air convection layer is formed between the top heat dissipation shell (33) and the baffle (36).

8. The high-pressure gas ejector device for an energy storage testing system according to claim 1, characterized in that: The multi-hole tap of the main pipe (13) connects to multiple sets of ejector tubes (20), thereby covering the heat dissipation of the entire energy storage box.

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