Cylindrical solid electric heat storage device capable of realizing fixed-point regulation and control of temperature field of heat storage body

Abstract

The invention discloses a cylindrical solid electric heat storage device capable of realizing fixed-point regulation and control of a heat storage body temperature field, and relates to the technical field of heat storage. The problems that in an existing square heat accumulator structure, fixed-point regulation and control of the temperature cannot be achieved in an internal temperature field, the overall temperature can only be increased and decreased at the same time, and local temperature control is not achieved are solved. The device comprises a heat accumulator, a heat preservation shell, a perforated fan cover, an equipment foundation and a driving mechanism, the heat accumulator, the perforated fan cover and the heat preservation shell are sequentially arranged on the upper end face of the equipment foundation from inside to outside, an air inlet is formed in the side wall of the heat preservation shell, an air outlet is formed in the middle of the upper end face of the heat preservation shell, and a groove hole is formed in the side wall of the perforated fan cover; the driving mechanism drives the trepanning fan cover to rotate around the axis of the trepanning fan cover. The invention is used for electric heat storage.

Description

Technical Field

[0001] This invention relates to the field of thermal energy storage technology, specifically to a cylindrical solid-state electric thermal energy storage device capable of achieving point-to-point control of the temperature field of the thermal energy storage body. Background Technology

[0002] Traditional square heat storage structures cannot achieve point-to-point temperature control within the internal temperature field; the overall temperature rises and falls uniformly without localized temperature control. Because square heat storage structures lack a mechanism to ensure uniform airflow through each heat exchange hole, when large-scale vortices form internally, the resulting vacuum zone at the center leads to localized high temperatures within the heat storage structure, preventing heat release. Furthermore, the windward side of the heat storage structure cannot maintain uniform temperature, indirectly hindering the full utilization of its heat storage capacity. This invention employs a cylindrical heat storage structure to achieve point-to-point temperature control within the heat storage structure, thereby improving its heat storage utilization rate and safety. Summary of the Invention

[0003] In order to solve the problem that the internal temperature field of the existing square heat storage body structure cannot achieve fixed-point temperature control, and the overall temperature can only rise and fall at the same time without local temperature control, the present invention proposes a cylindrical solid electric heat storage device that can achieve fixed-point temperature control of the heat storage body temperature field.

[0004] The technical solution adopted by the present invention to solve the above-mentioned technical problems is as follows:

[0005] A cylindrical solid-state electric thermal energy storage device capable of achieving point-to-point temperature field control of the thermal energy storage body includes a thermal energy storage body, an insulating shell, an open-hole hood, an equipment foundation, and a drive mechanism. The thermal energy storage body, the open-hole hood, and the insulating shell are arranged sequentially from the inside to the outside on the upper surface of the equipment foundation. An air inlet is provided on the side wall of the insulating shell, and an air outlet is provided in the middle of the upper surface of the insulating shell. A slot is provided on the side wall of the open-hole hood. The drive mechanism drives the open-hole hood to rotate around its own axis.

[0006] Furthermore, the heat storage body, the perforated hood, and the insulation shell are arranged coaxially.

[0007] Furthermore, an outer air cavity is provided between the heat insulation shell and the perforated hood, and an inner air cavity is provided between the perforated hood and the heat storage body.

[0008] Furthermore, the shape of the heat-insulating outer shell is a cylinder that is closed at the top and open at the bottom.

[0009] Furthermore, the perforated hood is cylindrical in shape, with its upper end face rotatably connected to the inner wall of the upper end of the insulation shell, and its lower end face rotatably connected to the upper end face of the equipment foundation.

[0010] Furthermore, a rolling ring groove is provided on the upper surface of the equipment foundation, and the lower surface of the perforated hood is set in the rolling ring groove and is in rolling connection with the bottom of the rolling ring groove.

[0011] Furthermore, the drive mechanism includes a servo motor and an actuator. The actuator includes a drive shaft, a gear, and a ring rack. The drive shaft passes through the side wall of the insulation shell. The outer end of the drive shaft is connected to the output shaft of the servo motor. The gear is fixed to the inner end of the drive shaft. The ring rack is fitted and fixed to the outer side of the perforated shroud. The gear meshes with the ring rack.

[0012] Furthermore, the heat storage body is cylindrical in shape.

[0013] Furthermore, the heat storage body has a through hole in the middle along the axial direction, and multiple slot groups are arranged in parallel along the axial direction on the side wall of the heat storage body. Each slot group includes slots evenly distributed along the circumferential direction, and each slot is arranged in the radial direction.

[0014] Furthermore, an electric heating wire is installed inside the slot.

[0015] The beneficial effects of this invention compared to the prior art are:

[0016] This invention provides a cylindrical solid-state electric thermal energy storage device capable of point-to-point temperature field control of the thermal energy storage body. The device employs a cylindrical thermal energy storage structure comprising three layers: an outer insulating shell; a middle rotatable perforated hood layer; and an innermost cylindrical thermal energy storage structure. By directional rotation of the perforated hood, the internal airflow channels are rebalanced, and the temperature of the windward side of the thermal energy storage body is controlled through point-to-point heat release. The rotatable, angle-controllable perforated hood enables point-to-point control of the thermal energy storage temperature field, significantly increasing equipment safety and improving the efficiency of the thermal energy storage material, while effectively saving on thermal energy storage body costs. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 This is a top sectional view of the overall structure of the present invention;

[0019] Figure 3 This is a schematic diagram of the structure of the perforated wind hood in this invention. Detailed Implementation

[0020] To make the technical problems solved, the technical solutions, and the beneficial effects of the present invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining the invention and are not intended to limit the invention.

[0021] Specific implementation method one: Combining Figures 1 to 3 This embodiment describes a cylindrical solid-state electric thermal energy storage device capable of localized temperature field control of the thermal energy storage body. The device includes a thermal energy storage body 4, an insulating shell 6, an open-circuit hood 7, a base 9, and a drive mechanism. The thermal energy storage body 4, the open-circuit hood 7, and the insulating shell 6 are arranged sequentially from the inside to the outside on the upper surface of the base 9. An air inlet 1 is provided on the side wall of the insulating shell 6, and an air outlet 5 is provided in the middle of the upper surface of the insulating shell 6. A slot 71 is provided on the side wall of the open-circuit hood 7. The drive mechanism drives the open-circuit hood 7 to rotate around its own axis.

[0022] In this embodiment, the electric heat storage device adopts a cylindrical heat storage structure, which consists of three layers: an outer heat-insulating shell 6, a middle rotatable perforated hood 7, and an inner cylindrical heat storage body 4. By rotating the slot 71 of the middle perforated hood 7 in a directional manner, the internal airflow channel is rebalanced, and the temperature of the windward side of the heat storage body is regulated by releasing heat at a fixed point.

[0023] In this embodiment, a duplex structure of internal and external air ducts is achieved by adding an open-hole hood 7, and the duplex structure enables the equipment to release heat at a fixed point.

[0024] Specific Implementation Method Two: Combining Figures 1 to 3 In this embodiment, the heat storage body 4, the perforated hood 7, and the heat insulation shell 6 are coaxially arranged.

[0025] The undisclosed technical features in this embodiment are the same as those in Specific Embodiment 1.

[0026] Specific implementation method three: Combining Figures 1 to 3 In this embodiment, an outer air cavity 2 is provided between the heat insulation shell 6 and the perforated hood 7, and an inner air cavity 3 is provided between the perforated hood 7 and the heat storage body 4.

[0027] The undisclosed technical features in this embodiment are the same as those in Specific Embodiment Two.

[0028] Specific implementation method four: Combination Figures 1 to 3 This embodiment describes a cylindrical shape with a closed top and an open bottom.

[0029] The undisclosed technical features in this embodiment are the same as those in Specific Embodiment 1.

[0030] Specific Implementation Method Five: Combining Figures 1 to 3 In this embodiment, the perforated hood 7 is cylindrical in shape. The upper end face of the perforated hood 7 is rotatably connected to the inner side wall of the upper end of the heat insulation shell 6, and the lower end face of the perforated hood 7 is rotatably connected to the upper end face of the equipment foundation 9.

[0031] The undisclosed technical features in this embodiment are the same as those in Specific Embodiment 1.

[0032] Specific Implementation Method Six: Combination Figures 1 to 3 In this embodiment, the upper end face of the equipment foundation 9 is provided with a rolling ring groove 91, and the lower end face of the perforated hood 7 is disposed in the rolling ring groove 91 and is in rolling connection with the bottom of the rolling ring groove 91.

[0033] The undisclosed technical features in this embodiment are the same as those in Specific Embodiment Five.

[0034] In this embodiment, the rolling ring groove 91 can provide guidance and limit for the rotation of the perforated hood 7. At the same time, the rolling connection between the perforated hood 7 and the rolling ring groove 91 can reduce the rotational resistance of the perforated hood 7 and reduce energy consumption.

[0035] Specific implementation method seven: Combination Figures 1 to 3 This embodiment describes a drive mechanism that includes a servo motor and an actuator 8. The actuator 8 includes a drive shaft 81, a gear 82, and a ring rack 83. The drive shaft 81 passes through the side wall of the insulation shell 6. The outer end of the drive shaft 81 is connected to the output shaft of the servo motor. The gear 82 is fixedly connected to the inner end of the drive shaft 81. The ring rack 83 is fitted and fixedly connected to the outer side of the perforated shroud 7. The gear 82 and the ring rack 83 mesh with each other.

[0036] The undisclosed technical features in this embodiment are the same as those in Specific Embodiment 1.

[0037] In this embodiment, the servo motor drives the perforated shroud 7 to rotate through the actuator 8. The output shaft of the servo motor drives the drive shaft 81 to rotate, and the drive shaft 81 drives the gear 82 to rotate. The gear 82 meshes with the ring rack 83, thereby driving the ring rack 83 to rotate, thus realizing the rotation of the perforated shroud 7.

[0038] In this embodiment, the servo motor can be driven manually or by other power equipment.

[0039] Specific implementation method eight: Combination Figures 1 to 3 This embodiment describes a heat storage body 4 that is cylindrical in shape.

[0040] The undisclosed technical features in this embodiment are the same as those in Specific Embodiment 1.

[0041] Specific Implementation Method Nine: Combining Figures 1 to 3In this embodiment, the heat storage body 4 has a through hole 41 in the middle along the axial direction, and multiple slot groups are arranged in parallel along the axial direction on the side wall of the heat storage body 4. Each slot group includes slots 42 evenly distributed along the circumferential direction, and each slot 42 is arranged in the radial direction.

[0042] The undisclosed technical features in this embodiment are the same as those in specific embodiment eight.

[0043] In this embodiment, the heat storage body 4 is constructed as a layered, hollowed-out cylindrical sleeve structure. The slot 42 is connected to the through hole 41, and the through hole 41 is connected to the air outlet 5.

[0044] Specific Implementation Method Ten: Combining Figures 1 to 3 This embodiment describes an embodiment in which an electric heating wire is provided inside the slot 42.

[0045] The undisclosed technical features in this embodiment are the same as those in specific embodiment nine.

[0046] In this embodiment, the heat storage body 4 has through slots 42 arranged around its circumference, through which the electric heating wire passes. Each slot 42 serves as both a basic heating unit and a basic heat dissipation unit.

[0047] Working principle

[0048] The air inlet 1 is connected to the outer air cavity 2. The outer air cavity 2 is connected to the inner air cavity 3 through the slot 71 on the perforated air cover 7. The inner air cavity 3 is connected to the outer end of the slot 42. The inner end of the slot 42 is connected to the through hole 41. The through hole 41 is connected to the air outlet 5.

[0049] When the equipment is storing heat, the electric heating wire is activated, and electrical energy is converted into heat energy and stored in the heat storage body 4. At this time, the perforated hood 7 does not rotate and mainly serves to keep the temperature warm.

[0050] When the equipment needs to release heat, cold air enters the outer air cavity 2 through the air inlet 1. It does not directly contact the heat storage body 4, but flows along the flow channel of the outer air cavity 2 until it flows into the slot 71 of the perforated hood 7, enters the inner air cavity 3, flows through the heat storage body 4 for heat exchange, and the hot air carrying heat leaves the device through the air outlet 5. As the position of the slot 71 changes, cold air can be delivered to any outer surface of the heat storage body 4. In the initial stage of heat release, the perforated hood 7 can rotate at a uniform speed, while in the later stage of heat release, the perforated hood 7 can rotate to the highest temperature point to achieve directional heat exchange.

[0051] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. A cylindrical solid-state electric thermal energy storage device capable of achieving point-to-point control of the temperature field of the thermal energy storage body, characterized in that: The equipment includes a heat storage body (4), an insulation shell (6), an open-hole hood (7), an equipment foundation (9), and a drive mechanism. The heat storage body (4), the open-hole hood (7), and the insulation shell (6) are arranged sequentially from the inside to the outside on the upper surface of the equipment foundation (9). An air inlet (1) is provided on the side wall of the insulation shell (6), and an air outlet (5) is provided in the middle of the upper surface of the insulation shell (6). A slot (71) is provided on the side wall of the open-hole hood (7). The drive mechanism drives the open-hole hood (7) to rotate around its own axis.

2. The cylindrical solid-state electric thermal energy storage device according to claim 1, which enables point-to-point control of the temperature field of the thermal energy storage body, is characterized in that: The heat storage body (4), the perforated hood (7), and the heat insulation shell (6) are arranged coaxially.

3. A cylindrical solid-state electric thermal energy storage device capable of achieving point-to-point temperature field control of the thermal energy storage body according to claim 2, characterized in that: An outer air cavity (2) is provided between the heat insulation shell (6) and the perforated hood (7), and an inner air cavity (3) is provided between the perforated hood (7) and the heat storage body (4).

4. A cylindrical solid-state electric thermal energy storage device capable of achieving point-to-point temperature field control of the thermal energy storage body according to claim 1, characterized in that: The heat-insulating outer shell (6) is cylindrical with a closed top and an open bottom.

5. A cylindrical solid-state electric thermal energy storage device capable of achieving point-to-point temperature field control of the thermal energy storage body according to claim 1, characterized in that: The perforated hood (7) is cylindrical in shape. The upper end of the perforated hood (7) is rotatably connected to the inner wall of the upper end of the heat insulation shell (6), and the lower end of the perforated hood (7) is rotatably connected to the upper end of the equipment foundation (9).

6. A cylindrical solid-state electric thermal energy storage device capable of achieving point-to-point temperature field control of the thermal energy storage body according to claim 5, characterized in that: The upper end face of the equipment foundation (9) is provided with a rolling ring groove (91), and the lower end face of the perforated hood (7) is set in the rolling ring groove (91) and is rolledly connected to the bottom of the rolling ring groove (91).

7. A cylindrical solid-state electric thermal energy storage device capable of achieving point-to-point temperature field control of the thermal energy storage body according to claim 1, characterized in that: The drive mechanism includes a servo motor and an actuator (8). The actuator (8) includes a drive shaft (81), a gear (82), and a ring rack (83). The drive shaft (81) passes through the side wall of the heat insulation shell (6). The outer end of the drive shaft (81) is connected to the output shaft of the servo motor. The gear (82) is fixed to the inner end of the drive shaft (81). The ring rack (83) is fitted and fixed to the outer side of the perforated hood (7). The gear (82) meshes with the ring rack (83).

8. A cylindrical solid-state electric thermal energy storage device capable of achieving point-to-point temperature field control of the thermal energy storage body according to claim 1, characterized in that: The heat storage body (4) is cylindrical in shape.

9. A cylindrical solid-state electric thermal energy storage device capable of achieving point-to-point temperature field control of the thermal energy storage body according to claim 8, characterized in that: The heat storage body (4) has a through hole (41) in the middle along the axial direction. Multiple slot groups are arranged in parallel along the axial direction on the side wall of the heat storage body (4). Each slot group includes slots (42) evenly distributed along the circumferential direction. Each slot (42) is arranged in the radial direction.

10. A cylindrical solid-state electric thermal energy storage device capable of achieving point-to-point temperature field control of the thermal energy storage body according to claim 9, characterized in that: An electric heating wire is installed inside the slot (42).

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