Heating device for oxygen breathing machine
By employing an openable external heat insulation plate and an internal heat conduction plate structure in the oxygen respirator, the problem of heat transfer being affected by the gap between the heating device and the gas delivery pipeline is solved, thus improving heat transfer efficiency during disassembly and assembly.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2026-03-17
AI Technical Summary
The gap between the heating device and the gas delivery pipeline in existing oxygen respirators affects the heat transfer efficiency, making it difficult for the heating device to function fully.
The design employs an openable structure with two external heat insulation plates and two internal heat conduction plates to ensure that the gas pipeline remains in contact with the heating device, and heat transfer is achieved by setting limiting components and heating components.
No gaps need to be left when disassembling and assembling gas pipelines, ensuring improved heat transfer efficiency and meeting the needs of convenient maintenance.
Smart Images

Figure CN223995232U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of exhalation machine heating technology, and more specifically, to a heating device for an oxygen respirator. Background Technology
[0002] In the medical field, especially for patients who need assisted breathing, oxygen ventilators are indispensable medical devices. They help maintain or improve patients' respiratory function by providing patients with oxygen-rich gas. However, in cold environments or during prolonged use, the oxygen in the delivery tube may cause respiratory discomfort to patients due to a drop in temperature.
[0003] To address this issue, the traditional approach involves installing a heating element on the outer surface of the oxygen delivery tubing in an oxygen respirator to heat the delivered oxygen. However, current technology often presents a dilemma in the design of the heating element and the tubing: on the one hand, a certain gap is needed between the heating element and the tubing's outer surface to ensure easy insertion and removal for replacement or maintenance; on the other hand, this gap can weaken heat transfer efficiency, preventing the heating element from fully realizing its intended function. Therefore, we propose an improvement: a heating element for an oxygen respirator. Utility Model Content
[0004] The purpose of this invention is to address the problem that the gap between the heating device and the outer surface of the pipe affects the heat transfer efficiency.
[0005] In order to achieve the above-mentioned objectives, this invention provides a heating device for an oxygen respirator to improve the above-mentioned problems.
[0006] The application is as follows:
[0007] A heating device for an oxygen respirator includes two outer heat insulation plates, two inner heat conducting plates are disposed inside the two outer heat insulation plates, a heating component is disposed between the outer surface of the two inner heat conducting plates and the inner wall of the two outer heat insulation plates, and a limiting member is disposed between the ends of the two inner heat conducting plates and the two outer heat insulation plates.
[0008] As a preferred technical solution of this application, both ends of the two external heat insulation plates are fixedly connected with arc-shaped threaded plates.
[0009] As a preferred technical solution of this application, the limiting member includes two threaded caps, which are respectively located at both ends of the outer heat insulation plate, and the inner wall of the threaded cap is threadedly connected to the outer surface of the arc-shaped threaded plate.
[0010] As a preferred technical solution of this application, a through hole is provided in the middle of both threaded caps, and an arc-shaped insert plate is fixedly connected to both ends of the two inner heat-conducting plates, and the arc-shaped insert plate is inserted into the inner wall of the through hole.
[0011] As a preferred technical solution of this application, one of the outer heat insulation plates is equipped with a power supply interface, one end of which passes through the outer heat insulation plate and is connected to the heating component.
[0012] As a preferred technical solution of this application, a positioning element is provided between the two external heat insulation panels, and the positioning element is used to position the two external heat insulation panels.
[0013] As a preferred technical solution of this application, the positioning component includes two slots and two connecting plates. The two slots are each opened on one of the outer heat insulation plates, and the two connecting plates are each fixedly connected to the other outer heat insulation plate. The outer surface of the connecting plate is inserted into the inner wall of the slot.
[0014] As a preferred technical solution of this application, the heating component is arranged in a coil shape.
[0015] As a preferred technical solution of this application, the heating component includes glass fiber, and a heating wire is wound around the outer surface of the glass fiber, and the heating wire is connected to a power supply interface.
[0016] As a preferred technical solution of this application, an insulating sleeve is provided between the outer surfaces of the glass fiber and the heating wire, and the outer surface of the insulating sleeve is in contact with the outer surface of the inner heat-conducting plate.
[0017] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0018] In the scheme of this application:
[0019] To address the problem of heat transfer efficiency caused by the gap between the heating device and the outer surface of the pipe in existing technologies, this application incorporates two external heat insulation plates and two internal heat conduction plates. All two external heat insulation plates and two internal heat conduction plates can be opened. This openable structural design allows for easy disassembly and assembly of the gas pipeline, eliminating the need for a gap between the heating device and the gas pipeline. This ensures that the gas pipeline and the heating device remain in contact, facilitating heat transfer. Attached Figure Description
[0020] Figure 1 A schematic diagram of the heating device for the oxygen respirator provided in this application;
[0021] Figure 2 An exploded view of the heating device for an oxygen respirator provided in this application;
[0022] Figure 3A bottom view of the heating component of the heating device for the oxygen respirator provided in this application;
[0023] Figure 4 A schematic diagram of the structure of the internal heat-conducting plate and the arc-shaped insert plate of the heating device for the oxygen respirator provided in this application;
[0024] Figure 5 This is a schematic diagram of the heating component of the heating device for the oxygen respirator provided in this application.
[0025] The image shows:
[0026] 101. External heat insulation plate; 102. Arc-shaped threaded plate; 103. Threaded cap; 104. Connecting plate; 105. Slot;
[0027] 2. Heating assembly; 201. Fiberglass; 202. Heating wire; 203. Insulating sleeve;
[0028] 3. Power supply interface;
[0029] 4. Internal heat-conducting plate; 401. Arc-shaped insert plate;
[0030] 5. Through hole. Detailed Implementation
[0031] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. 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 should fall within the protection scope of the present invention.
[0032] As described in the background art, in the prior art, the design of the heating device and the gas pipeline often faces a dilemma: on the one hand, in order to ensure that the gas pipeline can be easily plugged in and out for replacement or maintenance, a certain gap needs to be left between the heating device and the outer surface of the pipeline; on the other hand, the existence of this gap will weaken the heat transfer efficiency to a certain extent, making it difficult for the heating device to fully play its due role.
[0033] To solve this technical problem, this utility model provides a heating device for an oxygen breathing machine, which is used for heating the gas delivery pipeline of the oxygen breathing machine.
[0034] For details, please refer to Figures 1-4 The heating device for an oxygen respirator specifically includes:
[0035] Two external heat insulation plates 101 are provided, and two internal heat conduction plates 4 are provided inside the two external heat insulation plates 101. A heating component 2 is provided between the outer surface of the two internal heat conduction plates 4 and the inner wall of the two external heat insulation plates 101. A limiting member is provided between the ends of the two internal heat conduction plates 4 and the two external heat insulation plates 101.
[0036] The heating device for an oxygen respirator provided by this utility model has two external heat insulation plates 101 and two internal heat conduction plates 4. Both external heat insulation plates 101 and two internal heat conduction plates 4 can be opened. Through the openable structural design, the gas delivery pipeline can be opened for disassembly and assembly, so that there is no need to leave a gap between the heating device and the gas delivery pipeline, so that the gas delivery pipeline and the heating can maintain contact to facilitate heat transfer.
[0037] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
[0038] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.
[0039] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0040] Example 1, please refer to Figures 1-4 A heating device for an oxygen respirator includes two outer heat insulation plates 101, with two inner heat conducting plates 4 disposed inside the two outer heat insulation plates 101. A heating assembly 2 is disposed between the outer surface of the two inner heat conducting plates 4 and the inner wall of the two outer heat insulation plates 101. A limiting member is disposed between the ends of the two inner heat conducting plates 4 and the two outer heat insulation plates 101. The two outer heat insulation plates 101 and the two inner heat conducting plates 4 are designed to be openable. Through the openable structural design, the gas delivery pipeline can be opened for disassembly and assembly without leaving a gap between the heating device and the gas delivery pipeline, so that the gas delivery pipeline and the heating device can maintain contact to facilitate heat transfer.
[0041] Furthermore, such as Figure 2 As shown, both ends of the two external heat insulation plates 101 are fixedly connected with arc-shaped threaded plates 102.
[0042] Furthermore, such as Figures 1-3As shown, the limiting component includes two threaded caps 103, which are located at both ends of the outer heat insulation plate 101. The inner wall of the threaded cap 103 is threadedly connected to the outer surface of the arc-shaped threaded plate 102. The two outer heat insulation plates 101 can be fixed together by the mutual cooperation of the threaded cap 103 and the arc-shaped threaded plate 102.
[0043] Furthermore, such as Figures 1-2 As shown, each of the two threaded caps 103 has a through hole 5 in the middle, and each of the two inner heat-conducting plates 4 has an arc-shaped insert plate 401 fixedly connected to both ends. The arc-shaped insert plate 401 is inserted into the inner wall of the through hole 5. The size of the inner heat-conducting plate 4 is larger than the size of the arc-shaped insert plate 401. The two inner heat-conducting plates 4 can be fixed together by inserting the arc-shaped insert plate 401 into the through hole 5.
[0044] Example 2 further optimizes the heating device for the oxygen respirator provided in Example 1, specifically, as follows: Figure 2 As shown, a power supply interface 3 is installed on one of the outer heat insulation panels 101. One end of the power supply interface 3 passes through the outer heat insulation panel 101 and is connected to the heating component 2. The power supply interface 3 is used to connect the heating component 2 to the power supply.
[0045] Furthermore, a positioning element is provided between the two outer heat insulation panels 101 to position the two outer heat insulation panels 101, thereby improving the stability between the two outer heat insulation panels 101.
[0046] Furthermore, such as Figure 2 and Figure 3 As shown, the positioning component includes two slots 105 and two connecting plates 104. The two slots 105 are both opened on one of the outer heat insulation plates 101, and the two connecting plates 104 are both fixedly connected to the other outer heat insulation plate 101. The outer surface of the connecting plate 104 is inserted into the inner wall of the slot 105. The insertion of the connecting plate 104 into the slot 105 can realize the positioning of the two outer heat insulation plates 101, so as to improve the stability of the connection between the two outer heat insulation plates 101.
[0047] Example 3 further optimizes the heating device for the oxygen respirator provided in Example 1 or 2, specifically, as follows: Figure 3 As shown, the heating component 2 is arranged in a coil shape, that is, the heating component 2 is wound between the outer surfaces of the two inner heat-conducting plates 4, and the gas pipeline passes through the space between the two inner heat-conducting plates 4. The heating component 2 can heat the gas pipeline through the heat conduction of the inner heat-conducting plates 4.
[0048] Furthermore, such as Figure 5 As shown, the heating component 2 includes glass fiber 201, and a heating wire 202 is wound around the outer surface of the glass fiber 201. The heating wire 202 is connected to the power supply interface 3.
[0049] Furthermore, such as Figure 5 As shown, an insulating sleeve 203 is provided between the outer surfaces of the glass fiber 201 and the heating wire 202. The outer surface of the insulating sleeve 203 is in contact with the outer surface of the inner heat-conducting plate 4. The insulating sleeve 203 can protect the glass fiber 201 and the heating wire 202.
[0050] The heating device for the oxygen respirator provided by this utility model is used as follows:
[0051] Rotate the threaded cover 103 to separate it from the arc-shaped threaded plate 102, and separate the arc-shaped insert plate 401 from the through hole 5. Remove the two outer heat insulation plates 101, pull the inner heat-conducting plates 4 to remove them from the heating assembly 2, open the two inner heat-conducting plates 4 and place the gas pipeline between them. Then put the two outer heat insulation plates 101 together so that the connecting plate 104 is inserted into the slot 105. Then screw the threaded cover 103 between the two arc-shaped threaded plates 102 and insert the arc-shaped insert plate 401 into the through hole 5. The heating assembly 2 can heat the gas pipeline through the heat conduction of the inner heat-conducting plates 4.
[0052] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0053] Obviously, the embodiments described above are only some embodiments of this utility model, not all embodiments. The accompanying drawings show preferred embodiments of this utility model, but do not limit the patent scope of this utility model. This utility model can be implemented in many different forms; rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this utility model. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this utility model specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the patent protection scope of this utility model.
Claims
1. A heat generating device for an oxygen breathing apparatus, characterized by comprising: Two outer heat insulation plates (101) are internally provided with two inner heat conduction plates (4), the outer surfaces of the two inner heat conduction plates (4) and the inner walls of the two outer heat insulation plates (101) are provided with a heating assembly (2), and the ends of the two inner heat conduction plates (4) and the two outer heat insulation plates (101) are provided with a limiting piece.
2. The heating device for an oxygen breathing machine according to claim 1, wherein Both ends of the two outer heat insulation plates (101) are fixedly connected with arc threaded plates (102).
3. The heating device for an oxygen breathing machine according to claim 2, wherein The limiting piece comprises two threaded covers (103), the threaded covers (103) are respectively located at the two ends of the outer heat insulation plate (101), and the inner wall of the threaded cover (103) is threadedly connected with the outer surface of the arc threaded plate (102).
4. The heating device for an oxygen breathing machine according to claim 3, wherein The middle part of the threaded cover (103) is provided with a through hole (5), the two ends of the inner heat conduction plate (4) are fixedly connected with arc-shaped plug-in plates (401), and the arc-shaped plug-in plates (401) are inserted with the inner wall of the through hole (5).
5. The heating device for an oxygen breathing apparatus according to claim 4, wherein One of the outer heat insulation plates (101) is provided with a power supply interface (3), one end of the power supply interface (3) penetrates through the outer heat insulation plate (101) and is connected with the heating assembly (2).
6. The heating device for an oxygen breathing machine according to claim 5, wherein The two outer heat insulation plates (101) are provided with a positioning piece for positioning the two outer heat insulation plates (101).
7. The heating device for an oxygen breathing machine according to claim 6, wherein The positioning piece comprises two insertion grooves (105) and two connecting plates (104), the insertion grooves (105) are arranged on one of the outer heat insulation plates (101), and the connecting plates (104) are fixedly connected to the other outer heat insulation plate (101), and the outer surface of the connecting plate (104) is inserted with the inner wall of the insertion groove (105).
8. The heating device for an oxygen breathing machine according to claim 7, wherein The heating assembly (2) is in a roll shape.
9. The heating device for an oxygen breathing apparatus according to claim 8, wherein The heating assembly (2) comprises a glass fiber (201), the outer surface of the glass fiber (201) is wound with a heating wire (202), and the heating wire (202) is connected with the power supply interface (3).
10. The heating device for an oxygen breathing machine according to claim 9, wherein The outer surfaces of the glass fiber (201) and the heating wire (202) are sleeved with an insulating sleeve (203), and the outer surface of the insulating sleeve (203) is in contact with the outer surface of the inner heat conduction plate (4).