Heating device of gas storage cylinder and gas storage cylinder

Abstract

The utility model discloses a heating device of a gas storage bottle and the gas storage bottle, and relates to the technical field of gas storage devices. The heating device comprises a supporting rod and a heating piece, and at least one end of the supporting rod is used for being fixedly connected to a valve seat at the end of a bottle body. The heating part comprises a heating body and a power supply wire harness, the heating body is connected with the supporting rod, the power supply wire harness is arranged along the supporting rod, one end of the power supply wire harness is connected with the heating body, and the other end extends to the end of the supporting rod so as to extend out of the bottle body from the valve seat. According to the heating device disclosed by the embodiment of the utility model, heating can be realized from the inside of the gas storage bottle, so that the reliability of the gas storage bottle is enhanced.

Description

Technical Field

[0001] This utility model relates to the field of gas storage device technology, specifically to a heating device for a gas storage cylinder and a gas storage cylinder. Background Technology

[0002] Some gas cylinders experience a temperature drop during the venting process. For example, some hydrogen storage cylinders experience a maximum temperature change exceeding 20°C during hydrogen supply and venting. Such a large temperature fluctuation may shorten the lifespan of the inner liner inside the gas cylinder.

[0003] Therefore, reducing temperature fluctuations in the inner liner during use is crucial for extending the lifespan of the gas cylinder. Utility Model Content

[0004] The present invention aims to at least solve one of the technical problems existing in the prior art. Therefore, the first aspect of the present invention aims to provide a heating device for a gas storage cylinder, which can achieve heating from inside the gas storage cylinder, thereby enhancing the reliability of the gas storage cylinder.

[0005] The second aspect of this utility model is to provide a gas storage bottle.

[0006] A heating device for a gas storage cylinder according to a first aspect of the present invention includes: a support rod and a heating element, wherein at least one end of the support rod is fixedly connected to a valve seat at the end of the cylinder body; the heating element includes a heating element and a power supply harness, the heating element is connected to the support rod, the power supply harness is arranged along the support rod, one end of the power supply harness is connected to the heating element and the other end extends to the end of the support rod to extend from the valve seat to the outside of the cylinder body.

[0007] The heating device for a gas storage cylinder according to an embodiment of this utility model effectively heats the gas storage cylinder by providing a heating element, thus avoiding damage to the cylinder body caused by excessively low temperatures during the gas release process. By providing a support rod, the heating element is positioned deeper inside the cylinder body, thereby achieving full contact with the internal gas and realizing uniform and effective heating.

[0008] According to some embodiments of the present invention, the heating device has a receiving groove extending along its length on the support rod, and the power supply harness is located in the receiving groove.

[0009] In some optional embodiments, the support rod includes a first rod wall, a second rod wall, and a third rod wall connected in sequence, the first rod wall, the second rod wall, and the third rod wall extending along the length of the support rod to enclose the receiving groove; the support rod is open on the side opposite to the second rod wall; at least one of the first rod wall, the second rod wall, and the third rod wall is provided with a through hole, and at least a portion of the power supply harness passes through the through hole to connect to the heating element.

[0010] According to some embodiments of the present invention, the heating device has multiple heating elements arranged radially around the support rod.

[0011] According to some embodiments of the present invention, the heating element includes at least two layers of heating element bundles, each layer of the heating element bundle including a plurality of heating elements arranged radially around the support rod; adjacent layers of heating elements are spaced apart along the length direction of the support rod.

[0012] In some alternative embodiments, the heating element is further included: an elastic element connected to the support rod, and the heating element connected to the elastic element such that the heating element can fit tightly against the support rod when constrained and form an angle with the support rod in its natural state.

[0013] Specifically, the elastic element includes: a first lever arm, a connecting part, and a second lever arm connected in sequence; in its natural state, the first lever arm and the second lever arm form the included angle; wherein, the first lever arm is connected to the support rod, and the second lever arm is connected to the heating element.

[0014] Specifically, it also includes: a ring hoop, which surrounds the outer periphery of the support rod, and the first lever arm is clamped between the ring hoop and the support rod.

[0015] A gas storage cylinder according to a second aspect of the present invention includes: a cylinder body; a valve seat connected to an end of the cylinder body; and a heating device for the gas storage cylinder according to a first aspect of the present invention, wherein the heating device is located inside the cylinder body, a support rod is connected to the valve seat, and a power supply harness passes through the valve seat to the outside of the cylinder body.

[0016] In some optional embodiments, the valve seat includes a first valve seat with a mounting hole, one end of the support rod being connected to the mounting hole; the first valve seat is a heat-conducting element; the first valve seat includes an annular platform located inside the bottle body, the annular platform having a gradually increasing circumference in the direction from the inside to the outside of the bottle body.

[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0018] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0019] Figure 1 This is a schematic diagram of the structure of the gas storage cylinder according to some embodiments of the present invention;

[0020] Figure 2 This is a schematic diagram of the structure of the heating element (in its natural state) in the heating device of some embodiments of this utility model;

[0021] Figure 3 for Figure 2 A magnified view of a section at point A in the middle;

[0022] Figure 4 This is a schematic diagram of the structure of the heating element (in a compressed state) in the heating device of some embodiments of this utility model;

[0023] Figure 5 for Figure 4 A magnified view of a section at point B in the middle.

[0024] Figure label:

[0025] Gas cylinder 100

[0026] Bottle body 10,

[0027] Valve seat 20, first valve seat 21, mounting hole 211, annular platform 212

[0028] Heating device 30

[0029] Support rod 32, receiving groove 320, first rod wall 321, through hole 322, second rod wall 323, third rod wall 325

[0030] Heating element 34, heating element 342, power supply harness 344, elastic element 346, first lever arm 3461, connecting part 3462, second lever arm 3463, mounting groove 34631.

[0031] Ring hoop 36. Detailed Implementation

[0032] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0033] In the description of this utility model, it should be understood that the terms "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0034] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0035] The following is for reference. Figures 1-5 The heating device 30 of the gas storage cylinder 100 according to the first aspect of the present invention is described.

[0036] like Figure 1 As shown, the heating device 30 according to an embodiment of the present invention can be applied to a gas storage cylinder 100, such as a hydrogen storage cylinder, to heat the stored gas from the inside.

[0037] The heating device 30 according to an embodiment of the present invention includes: a support rod 32 and a heating element 34.

[0038] Here, the support rod 32 extends into the bottle body 10, allowing the heating element 34 to penetrate deep into the bottle body 10. This increases the contact area between the heating element 34 and the air inside the bottle body 10, ensuring that heat is evenly distributed at different depths within the bottle body 10, thereby improving the heating speed and uniformity of the bottle body 10. When the inside of the bottle body 10 is evenly heated, it helps to extend the service life of the bottle body 10.

[0039] Optionally, the support rod 32 is used to support all or part of the heating element 34, ensuring that the heating element 34 can be securely installed in the gas storage cylinder 100 to achieve effective heat transfer.

[0040] In some alternative embodiments, the heating element 34 is completely fixed to the support rod 32. This ensures that the entire heating element 342 is evenly distributed along the length of the support rod 32, thereby achieving heating of the inner cavity of the bottle body 10.

[0041] Optionally, the heating element 34 is a flexible heating element.

[0042] In some alternative embodiments, the heating element 34 only needs to be partially fixed to the support rod 32. For example, one end of the heating element 34 is fixed to the outer peripheral surface of the support rod 32 to efficiently heat a predetermined area. This increases the heating area of ​​the heating element 34 within the cavity of the bottle body 10, thereby improving heating efficiency.

[0043] Combination Figures 1-2 and Figure 4 At least one end of the support rod 32 is used to be fixedly connected to the valve seat 20 at the end of the bottle body 10.

[0044] This allows full use of the existing interface and structure of the end valve seat 20, eliminating the need for additional modifications to the interior of the bottle body 10 or the addition of complex interface components. This reduces internal complexity and avoids potential cost increases due to alterations to the internal structure.

[0045] Furthermore, using valve seat 20 as an installation point can improve installation efficiency. Operators only need to align and secure the support rod 32 to valve seat 20 to complete the installation, thus improving work efficiency.

[0046] like Figure 2 and Figure 3 As shown, the heating element 34 includes a heating element 342 and a power supply harness 344. The heating element 342 is connected to the support rod 32. The power supply harness 344 is arranged along the support rod 32. One end of the power supply harness 344 is connected to the heating element 342 and the other end extends to the end of the support rod 32 so as to extend from the valve seat 20 to the outside of the bottle body 10.

[0047] Here, the heating element 342 is responsible for generating heat to maintain the gas temperature within the gas storage cylinder 100 within a suitable range. Preferably, the heating element 342 comprises a high-resistivity material component, which generates heat due to the resistance effect when current passes through it, thus achieving heating.

[0048] The heating element 342 is directly fixed to the support rod 32, ensuring that it can be stably installed on the support rod 32, thereby efficiently transferring heat.

[0049] In some embodiments, the heating element 342 is disposed along the length of the support rod 32. This means that the heating element 342 is configured to be arranged along the entire length or a portion of the length of the support rod 32.

[0050] When the heating element 342 is positioned along the full length of the support rod 32, the uniformity of heat distribution within the longitudinal direction of the gas cylinder 100 can be improved. This helps to avoid localized overheating or uneven temperature distribution.

[0051] When the heating element 342 covers a portion of the length of the support rod 32. For example, in some cases, only specific areas of the gas cylinder 100 need to be heated, in which case the heating element 342 can be concentrated in these areas.

[0052] In some alternative embodiments, one end of the heating element 342 is fixed to the support rod 32, and the other end of the heating element 342 extends away from the support rod 32. This arrangement suspends a portion of the heating element 342 within the cavity of the bottle 10, increasing the contact area with the gas inside the bottle 10, thereby improving heat transfer efficiency and consistency. This design reduces heat loss during conduction, allowing more energy to be used for heating the gas.

[0053] Optionally, multiple heating elements 342 can be used to increase the heating area and improve heating efficiency.

[0054] Alternatively, the heating element 342 can be attached to the support rod 32 by welding, bolting, or other fasteners.

[0055] In some alternative embodiments, a sealing layer is provided between the valve seat 20 and the support rod 32 and the power supply harness 344 to ensure the airtightness and safety of the gas cylinder 100. For example, the sealing layer may be a sealing ring or a sealant layer.

[0056] For the portion of the power supply harness 344 that passes through the valve seat 20, a pre-formed sealing gasket or heat shrink tubing can be used to wrap it to ensure a tight seal between the harness and the valve seat 20.

[0057] In this application, the sealing structure between the valve seat 20, the support rod 32, and the power supply harness 344 can adopt a solution known in the prior art. The sealing structure itself is not the core point of the solution in this application, so it will not be described in detail here.

[0058] Reference Figure 3The power supply harness 344 is installed along the support rod 32. Here, the power supply harness 344 can be installed on the outer surface of the support rod 32, for example, using cable ties. By installing the power supply harness 344 on the outer surface of the support rod 32, the wiring process becomes more intuitive and convenient. Operators can directly see and adjust the position of the harness, reducing wiring steps. Furthermore, if it is necessary to inspect or replace the power supply harness 344, the harness can be easily accessed simply by untying the cable ties, without disassembling other components, simplifying the maintenance process.

[0059] In some alternative embodiments, the heating device 30 also includes a power generation device disposed outside the bottle body 10, and the power supply harness 344 is electrically connected to the power generation device.

[0060] According to some such Figure 3 In the embodiment shown, the support rod 32 is provided with a receiving groove 320 extending along its length, and the power supply harness 344 is located in the receiving groove 320.

[0061] This configuration allows the power supply harness 344 to be embedded inside the support rod 32, providing better protection and a consistent appearance. In this way, the power supply harness 344 not only avoids the influence of the external environment but also reduces the risk of damage caused by external impacts or vibrations, thereby improving the reliability and durability of the heating device 30.

[0062] The receiving groove 320 extends along the length of the support rod 32, which facilitates the arrangement of the power supply harness 344 and ensures the safety of the line.

[0063] Optionally, the depth of the receiving slot 320 can be set according to the size of the power supply harness 344, which is not limited in this application.

[0064] In some alternative embodiments, such as Figure 3 As shown, the support rod 32 includes a first rod wall 321, a second rod wall 323, and a third rod wall 325 connected in sequence. The first rod wall 321, the second rod wall 323, and the third rod wall 325 extend along the length of the support rod 32 to enclose the receiving groove 320. The support rod 32 is open on the side opposite to the second rod wall 323.

[0065] With the three-sided rod wall, the power supply harness 344 is effectively protected within the receiving groove 320, improving the protection of the power supply harness 344 and further enhancing the reliability and durability of the heating device 30.

[0066] The support rod 32 has an open structure, which facilitates the quick installation and maintenance of the power supply harness 344. At the same time, it has a certain ventilation and heat dissipation capacity to ensure the reliability and stability of the heating device 30.

[0067] Optionally, the first rod wall 321, the second rod wall 323, and the third rod wall 325 can be formed in one step. Optionally, the first rod wall 321, the second rod wall 323, and the third rod wall 325 can be integrally cast. Of course, this utility model is not limited to this; the remaining rod walls can be processed after some rod walls have been formed, in which case the support rod 32 can be formed after two processing steps. It is understood that regardless of the specific processing sequence of the support rod 32, as long as the first rod wall 321, the second rod wall 323, and the third rod wall 325 are an integral structure after the support rod 32 is fully processed, it is acceptable.

[0068] Combination Figure 4 and Figure 5 At least one of the first rod wall 321, the second rod wall 323 and the third rod wall 325 is provided with a through hole 322, and at least part of the power supply wire harness 344 passes through the through hole 322 to connect to the heating element 342.

[0069] By providing a perforation 322, the power supply harness 344 can be easily connected to the heating element 342 from inside or outside the support rod 32, ensuring the reliability and safety of the electrical connection.

[0070] Optionally, the location and number of perforations 322 can be flexibly arranged according to actual needs, which facilitates the adjustment of the path of the power supply harness 344, reduces the risk of exposed lines, and maintains the appearance consistency of the heating device 30.

[0071] In some alternative embodiments, insulation protection can be added around the perforation 322 to prevent wear and short circuits, further improving the stability and durability of the heating device 30.

[0072] According to some optional embodiments of the present invention, there are multiple heating elements 342, which are arranged radially around the support rod 32.

[0073] This enables multi-directional heating of the gas cylinder 100, ensuring uniform heat distribution throughout the cylinder 10 and avoiding localized overheating or cold spots.

[0074] When the heating device 30 employs multiple heating elements 342, even if one or more heating elements 342 fail or are damaged, the other heating elements 342 can still continue to operate, maintaining the normal operation of the system. This redundancy design helps improve the reliability of the heating device 30.

[0075] In addition, in the structure of multiple heating elements 342, the power output of each heating element 342 can be flexibly adjusted according to actual needs. For example, when a higher temperature is required in certain areas, the power of the heating element 342 in that area can be increased; while in other areas, the power of the heating element 342 in that area can be decreased to achieve the most suitable heating effect.

[0076] According to some optional embodiments of the present invention, the heating element 34 includes at least two layers of heating element bundles, each layer of heating element bundle including a plurality of heating elements 342 arranged radially around the support rod 32; adjacent layers of heating element bundles are spaced apart along the length direction of the support rod 32.

[0077] This configuration, with multiple heating elements 342 arranged radially to form a ring-shaped heating layout, combined with multi-layered arrangement along the length, can create a three-dimensional heating network inside the bottle, achieving uniform heating and improving heating efficiency. Furthermore, it can enhance the redundancy and reliability of the heating device 30.

[0078] Combination Figure 2 and Figure 4 In some specific embodiments, the heating element 34 includes three layers of heating element bundles, each layer of heating element bundles including a plurality of heating elements 342 arranged radially around the support rod 32, and adjacent layers of heating element bundles are spaced apart along the length direction of the support rod 32.

[0079] Specifically, such as Figure 2 As shown, the heating element bundle in the same layer includes multiple heating elements 342 located on the same surface. These multiple heating elements 342 on the same surface surround the support rod 32 and are arranged radially, such as... Figure 2 The middle layer of the heating element bundle includes four heating elements 342, which are circumferentially distributed around the support rod 32, with a 90-degree interval between each pair of heating elements 342. Adjacent heating element bundles are spaced apart along the length of the support rod 32.

[0080] By using a multi-layered arrangement, heat can be transferred to all parts of the gas cylinder 100 more quickly and evenly, improving the overall heating efficiency.

[0081] According to some specific embodiments, the heating device 30 further includes: an elastic element 346 connected to the support rod 32, and a heating element 342 connected to the elastic element 346, so that the heating element 342 can fit tightly against the support rod 32 when constrained, and form an angle with the support rod 32 in its natural state. Figure 2 The included angle is α in the diagram.

[0082] During installation, the heating element 342 can be fixed to the support rod 32 by manually compressing the elastic element 346, reducing the operating space required for installation and allowing the support rod 32 and the heating element 342 to pass more easily through the valve seat 20 and into the gas cylinder 100. Once the heating element 342 is fully inside the cylinder 10, simply release the compression of the elastic element 346, and it will automatically return to its original shape, pushing the heating element 342 out. This simplifies the installation process, reduces the need for subsequent manual adjustments, and ensures that the heating element 342 can naturally unfold inside the cylinder 10 and perform heating work efficiently.

[0083] In some alternative embodiments, the elastic coefficients of the elastic elements 346 may be the same or different, so that the included angles between the different heating elements 342 and the support rod 32 may be the same or different.

[0084] Combination Figure 2 All elastic elements 346 have the same elastic modulus, ensuring that all heating elements 342 have the same angle with respect to the support rod 32. This allows for uniform heating of multiple areas of the gas cylinder 100, ensuring consistent temperature distribution.

[0085] In some specific embodiments, such as Figure 3 and Figure 5 As shown, the elastic element 346 includes a first lever arm 3461, a connecting portion 3462, and a second lever arm 3463 connected in sequence. In its natural state, the first lever arm 3461 and the second lever arm 3463 form an angle. The first lever arm 3461 is connected to the support rod 32, and the second lever arm 3463 is connected to the heating element 342.

[0086] In the above technical solution, the connecting part 3462 provides elastic deformation capability by bending.

[0087] In its natural state, the connecting part 3462 bends, forming an angle between the first lever arm 3461 and the second lever arm 3463, causing the heating element 342 to unfold.

[0088] Combination Figure 4 and Figure 5 During installation, the operator can manually compress the heating element 342 to straighten the connecting part 3462, thereby temporarily fixing the heating element 342 to the support rod 32, facilitating the smooth passage of the support rod 32 through the valve seat 20 into the bottle body 10. Specifically, when manually compressed, the angle between the first lever arm 3461 and the second lever arm 3463 disappears, the connecting part 3462 becomes straight, and the heating element 342 is tightly attached to the support rod 32, reducing the overall size.

[0089] Once the heating element 342 is fully inside the bottle 10 and the manual compression is released, combined with Figure 2 and Figure 3 The elastic element 346 will automatically return to its original shape, pushing the heating element 342 to unfold. At this time, the connecting part 3462 returns to its bent state, and the first lever arm 3461 and the second lever arm 3463 re-form an angle, so that the heating element 342 can adaptively adjust according to the elastic coefficient of the elastic element 346.

[0090] This installation method not only simplifies the operation steps and improves the installation efficiency, but also ensures that the heating element 342 is in the preset working position, thus guaranteeing the heating effect of the heating device 30.

[0091] Optionally, the first lever arm 3461 is connected to the support rod 32 by means of welding, screwing, gluing, or strapping.

[0092] Optionally, the heating element 342 is connected to the second lever arm 3463 by means of welding, gluing, or binding.

[0093] Preferably, refer to Figure 3 A mounting groove 34631 is formed on the second lever arm 3463, and the size and shape of the mounting groove 34631 are adapted to the size and shape of the heating element 342. This ensures that the heating element 342 can be perfectly embedded in it, thereby preventing the heating element 342 from shifting or loosening during use and improving the stability of use.

[0094] According to some optional embodiments, such as Figures 2-3 and Figure 5 The heating device 30 also includes a ring hoop 36, which surrounds the outer periphery of the support rod 32, and a first lever arm 3461 is sandwiched between the ring hoop 36 and the support rod 32.

[0095] A fixing mechanism is formed by clamping the first lever arm 3461 between the ring 36 and the support rod 32. The ring 36 provides a certain mechanical constraint force to ensure that the first lever arm 3461 is firmly connected to the support rod 32, avoiding loosening or displacement due to vibration or impact.

[0096] In addition, the ring 36 can evenly distribute the pressure applied to the first lever arm 3461, reduce local stress concentration, and extend the service life of the heating device 30.

[0097] In some alternative embodiments, combined with Figure 3 The width of the first lever arm 3461 is wider than the opening width of the receiving groove 320, so that the first lever arm 3461 of the elastic member 346 can abut against the edge of the groove. This arrangement ensures that the first lever arm 3461 is firmly fixed to the surface of the support rod 32, preventing it from sliding into or out of the support rod 32, enhancing structural stability, and ensuring the stable operation of the heating device 30.

[0098] In some alternative embodiments, the hoop 36 surrounds the outer periphery of the support rod 32 to secure the power supply harness 344.

[0099] like Figure 1 As shown, a gas storage cylinder 100 according to a second aspect embodiment of the present invention includes: a cylinder body 10, a valve seat 20, and a heating device 30. The valve seat 20 is connected to the end of the cylinder body 10. The heating device 30 is located inside the cylinder body 10, a support rod 32 is connected to the valve seat 20, and a power supply harness 344 passes through the valve seat 20 to the outside of the cylinder body 10. Here, the heating device 30 is the same as that of the first aspect embodiment of the present invention.

[0100] The gas storage cylinder 100 of this embodiment utilizes a high-efficiency heating device 30 to improve the heating efficiency and uniformity of the gas storage cylinder 100. Simultaneously, the valve seat 20 of the gas storage cylinder 100 ensures the stable installation of the heating element 34, thereby enhancing the safety and reliability of the gas storage cylinder 100.

[0101] Specifically, refer to Figure 1 and Figure 2 The valve seat 20 includes a first valve seat 21, which has a mounting hole 211, and one end of the support rod 32 is connected to the mounting hole 211.

[0102] Mounting hole 211 provides a precise mounting point for support rod 32, allowing it to be securely fixed to the first valve seat 21. This fixing method prevents support rod 32 from loosening or shifting during use, ensuring its long-term stable operation.

[0103] Optionally, a sealing structure, such as a sealing ring, sealing gasket, or sealing adhesive layer, is provided around the mounting hole 211. This prevents gas leakage and external moisture from entering the cylinder 10, thereby improving the safety and reliability of the gas storage cylinder 100.

[0104] The support rod 32 extends into the bottle body 10 through the first valve seat 21, allowing the heating element 34 to penetrate deep into the bottle body 10, increasing the contact area between the heating element 34 and the air inside the bottle body 10, ensuring that heat is evenly distributed at different depths in the bottle body 10, and improving heating efficiency and uniformity.

[0105] When the gas cylinder 100 is a hydrogen storage cylinder, it should be noted that the normal operating temperature of some high-pressure hydrogen storage cylinders may be between -40℃ and 85℃. Generally speaking, the process of filling a hydrogen storage cylinder is an approximately adiabatic compression process with a temperature rise, and the faster the filling process, the greater the temperature rise. In order to extend the service life of the hydrogen storage cylinder, the first valve seat 21 adopts a heat-conducting component.

[0106] In this way, the heating device 30 does not need to be turned on during the filling process, thus avoiding unnecessary temperature rise. At the same time, the heat generated inside the hydrogen storage cylinder due to filling can be promptly dissipated from the cylinder body 10 through the heat-conducting components, thereby protecting the hydrogen storage cylinder and extending its service life.

[0107] Combination Figure 1 and Figure 2 The first valve seat 21 includes an annular platform 212 located inside the bottle body 10, and the circumference of the annular platform 212 gradually increases from the inside to the outside of the bottle body 10.

[0108] This design allows the ring platform 212 to firmly abut against the inner wall of the bottle body 10, increasing the support force of the first valve seat 21, thereby improving the stability of the support rod 32 and ensuring heating efficiency.

[0109] In some alternative embodiments, the bottle body 10 includes an inner liner and a carbon fiber layer wrapped around the outer surface of the inner liner. This ensures the strength of the bottle body 10 while reducing the overall weight.

[0110] The following is for reference. Figure 1 - Figure 5 The gas storage cylinder 100 according to an embodiment of the present invention is described in detail with reference to a specific example. It is to be understood that the following description is merely illustrative and not intended to limit the scope of the invention.

[0111] Reference Figure 1 The gas storage cylinder 100 includes: cylinder body 10, valve seat 20 and heating device 30.

[0112] The valve seat 20 includes a first valve seat 21. The first valve seat 21 is connected to the end of the bottle body 10. The first valve seat 21 is a heat-conducting element.

[0113] The first valve seat 21 is provided with a mounting hole 211. The first valve seat 21 includes an annular platform 212 located inside the bottle body 10, and the circumference of the annular platform 212 gradually increases from the inside of the bottle body 10 to the outside.

[0114] The heating device 30 is located inside the bottle body 10.

[0115] Reference Figure 1 The heating device 30 includes: a support rod 32, a heating element 34, and a ring 36.

[0116] One end of the support rod 32 is connected to the mounting hole 211.

[0117] Reference Figures 2-4The heating element 34 includes a heating element 342, a power supply harness 344, and an elastic element 346. The heating element 342 is connected to a support rod 32. The support rod 32 includes a first rod wall 321, a second rod wall 323, and a third rod wall 325 connected in sequence. The first rod wall 321, the second rod wall 323, and the third rod wall 325 extend along the length of the support rod 32 to form a receiving groove 320. The support rod 32 is open on the side opposite to the second rod wall 323.

[0118] The power supply harness 344 is arranged along the receiving groove 320. One end of the power supply harness 344 is connected to the heating element 342 and the other end extends to the end of the support rod 32 so as to extend from the valve seat 20 to the outside of the bottle body 10.

[0119] The first pole wall 321, the second pole wall 323 and the third pole wall 325 are all provided with through holes 322, and some of the power supply wire harnesses 344 pass through the through holes 322 to connect to the heating element 342.

[0120] There are multiple heating elements 342, which are arranged radially around the support rod 32.

[0121] The heating element 34 includes three layers of heating element bundles. Each layer of heating element bundle includes multiple heating elements 342 arranged radially around the support rod 32. Adjacent layers of heating element bundles are spaced apart along the length of the support rod 32.

[0122] Reference Figure 3 and Figure 5 The elastic element 346 includes a first lever arm 3461, a connecting part 3462, and a second lever arm 3463 connected in sequence.

[0123] In its natural state, the first lever arm 3461 and the second lever arm 3463 form an angle. The first lever arm 3461 is connected to the support rod 32, and the second lever arm 3463 is connected to the heating element 342, so that the heating element 342 and the support rod 32 form an angle in the natural state.

[0124] The ring 36 surrounds the outer periphery of the support rod 32, and the first lever arm 3461 is sandwiched between the ring 36 and the support rod 32.

[0125] In this specification, the terms "embodiment," "example," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0126] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A heating device for a gas cylinder, characterized in that include: A support rod, at least one end of which is fixedly connected to a valve seat at the end of the bottle body; A heating element, comprising a heating element and a power supply harness, wherein the heating element is connected to the support rod, the power supply harness is arranged along the support rod, one end of the power supply harness is connected to the heating element and the other end extends to the end of the support rod to extend from the valve seat to the outside of the bottle.

2. The heating device for gas cylinders according to claim 1, characterized in that, The support rod is provided with a receiving groove extending along its length, and the power supply harness is located in the receiving groove.

3. The heating apparatus for a gas cylinder according to claim 2, wherein The support rod includes a first rod wall, a second rod wall, and a third rod wall connected in sequence. The first rod wall, the second rod wall, and the third rod wall extend along the length of the support rod to enclose the receiving groove. The support rod is open on the side opposite to the second rod wall. At least one of the first rod wall, the second rod wall, and the third rod wall is provided with a through hole, and at least a portion of the power supply harness passes through the through hole to connect to the heating element.

4. The heating device for gas cylinders according to claim 1, wherein There are multiple heating elements, which are arranged radially around the support rod.

5. The heating device for gas cylinders according to claim 1, wherein The heating element includes at least two layers of heating element bundles, and each layer of the heating element bundle includes a plurality of heating elements arranged radially around the support rod; The heating element bundles of two adjacent layers are spaced apart along the length of the support rod.

6. The heating device of a gas cylinder according to any one of claims 1 to 5, characterized in that, Also includes: An elastic element is connected to the support rod, and a heating element is connected to the elastic element so that the heating element can fit tightly against the support rod when constrained, and form an angle with the support rod in its natural state.

7. A heating apparatus for a gas cylinder as claimed in claim 6, wherein The elastic element includes: a first lever arm, a connecting part, and a second lever arm connected in sequence; In its natural state, the included angle is formed between the first lever arm and the second lever arm; The first lever arm is connected to the support rod, and the second lever arm is connected to the heating element.

8. A heating apparatus for a gas cylinder as claimed in claim 7, wherein Also includes: A ring is wrapped around the outer periphery of the support rod, and the first lever arm is clamped between the ring and the support rod.

9. A gas cylinder, characterized by include: Bottle body; Valve seat, the valve seat being connected to the end of the bottle body; The heating device for the gas storage cylinder according to any one of claims 1-8, wherein the heating device is located inside the cylinder, the support rod is connected to the valve seat, and the power supply harness passes through the valve seat to the outside of the cylinder.

10. The gas cylinder of claim 9, wherein, The valve seat includes a first valve seat, the first valve seat having a mounting hole, and one end of the support rod being connected to the mounting hole; The first valve seat is a heat-conducting component; The first valve seat includes an annular platform located inside the bottle body, the annular platform having a gradually increasing circumference in the direction from the inside of the bottle body to the outside.

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