Aircraft air conditioning system pipeline heating structure
By setting heating strips and heat-conducting guide plates inside non-metallic pipes to form a spiral channel, the problems of large size and high cost of heating equipment in aircraft air conditioning systems are solved, achieving efficient and low-cost pipe heating effect, and ensuring smooth air circulation and uniform heating.
Patent Information
- Application Number
- CN202520398100.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-03-07
AI Technical Summary
In existing aircraft air conditioning systems, the pipe heating equipment is bulky, costly, and has poor heating effect, which affects ventilation or heating performance and increases fuel consumption.
A heating band is installed inside a non-metallic pipeline, and a heat-conducting guide plate is installed on it. The gaps between adjacent heating bands form a spiral channel. The heat-conducting guide plate guides the airflow to ensure smooth and uniform heating. An insulation layer is added to the outside to reduce heat loss.
It achieves efficient heating with simple structure, low cost and no impact on the layout of air conditioning system, while ensuring smooth pipeline and reducing fuel consumption.
Smart Images

Figure CN223721156U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to air conditioning system technical field especially is related to an aircraft air conditioning system pipeline heating structure. BACKGROUND
[0002] Because commercial aircraft operation range is wide, and use environment is special, external environment changes greatly, the temperature in the cargo hold of the aircraft under the cruising state will drop along with the sharp reduction of outside temperature, under the normal cruising state, the atmospheric temperature outside the aircraft is between -30 DEG C to -70 DEG C, can influence the air temperature in the pipeline in the aircraft air conditioning system, and then influence the ventilation or heating effect.If directly increasing heating equipment in the air conditioning system, on the one hand, the heating equipment volume is big, can influence the overall arrangement of air conditioning system, on the other hand, can increase fuel consumption, increase cost, in addition, heating equipment is merely heating air, and the hot air will obviously lose heat after passing through non-metal pipeline, influence heating effect.
[0003] Therefore, an aircraft air conditioning system pipeline heating structure with simple structure, without affecting air conditioning system arrangement, can guarantee heating effect and smooth pipeline is urgently needed. UTILITY MODEL CONTENT
[0004] The utility model discloses a kind of aircraft air conditioning system pipeline heating structures, solve the technical problems of complex structure, high cost in prior art.The preferred technical solutions in many technical solutions provided by the utility model can produce many technical effects detailed in the following.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] The utility model provides a kind of aircraft air conditioning system pipeline heating structure, comprising:
[0007] Heating belt, several heating belts are spirally installed on the inner wall of non-metal pipeline;
[0008] Thermal conductive guide piece, several thermal conductive guide pieces are installed on the heating end of the heating belt, and spiral with the heating belt;
[0009] Gap, the gap is arranged between adjacent heating belts.
[0010] Preferably, further comprising:
[0011] First channel, adjacent thermal conductive guide pieces on adjacent heating belts form the first channel, the first channel and the gap form first spiral channel, and the first spiral channel is spirally arranged with the heating belt.
[0012] Preferably, further comprising:
[0013] A second spiral channel is formed between the heat-conducting guide pieces on both sides of any of the heating belts, the second spiral channel is arranged spirally along the heating belt, and is in communication with the first spiral channel.
[0014] Preferably, further comprising:
[0015] A through hole is formed in the heat-conducting guide piece, and the first spiral channel and the second spiral channel are in communication through the through hole.
[0016] Preferably, the centripetal sides of the heat-conducting guide pieces are fixedly connected.
[0017] Preferably, the heat-conducting guide piece is made of heat-conducting plastic sheet.
[0018] Preferably, the size of the gap is 4mm-6mm.
[0019] Preferably, further comprising:
[0020] A heat preservation layer is sleeved on the outside of the non-metal pipeline.
[0021] Preferably, further comprising:
[0022] A temperature sensor is installed in the outlet of the non-metal pipeline.
[0023] Valves are installed at the inlet and outlet of the non-metal pipeline.
[0024] In the technical scheme of the utility model, the heating belt is arranged in the non-metal pipeline, which can provide sufficient heat for the air passing through the non-metal pipeline; in order to accelerate the heat transfer of the heating belt, the heat-conducting guide piece is installed on the heating belt, which can provide sufficient heat, and in order to reduce the cost, the gap is arranged between the adjacent heating belts; the main function of the heat-conducting guide piece is to guide the air flow, which can ensure the smooth air flow and reduce the air resistance, and to help the heating belt dissipate heat and further improve the uniformity of the heated air. Overall, the application has simple structure and low cost, does not affect the arrangement of the air conditioning system, can ensure the heating effect and the smooth pipeline. BRIEF DESCRIPTION OF DRAWINGS
[0025] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can obtain other drawings according to the drawings without creating creative labor.
[0026] Figure 1It is the cross section schematic view of the utility model.
[0027] Fig. 1, non-metal pipeline; 2, heating band; 3, heat-conducting guide piece; 4, gap; 5, heat preservation layer; 6, clamp; 7, first channel; 8, second spiral channel. DETAILED DESCRIPTION
[0028] In order to make the purpose, technical scheme and advantage of the utility model more clear, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of the utility model.
[0029] Reference Figure 1 The embodiment of the utility model provides a kind of aircraft air conditioning system pipeline heating structure, comprising:
[0030] Heating band 2, several heating bands 2 are spirally installed on the inner wall of non-metal pipeline 1;
[0031] Heat-conducting guide piece 3, several heat-conducting guide pieces 3 are installed on the heating end of heating band 2, and are spirally arranged with heating band 2;
[0032] Gap 4, gap 4 is arranged between adjacent heating band 2.
[0033] Since commercial aircraft operation range is wide, use environment is special, external environment changes greatly, the temperature in cargo compartment of aircraft in cruising state will drop with the sharp reduction of outside temperature, the atmospheric temperature outside aircraft is between-30 DEG C to-70 DEG C under normal cruising state, can influence the air temperature in pipeline in aircraft air conditioning system, and then influence ventilation or heating effect. If heating equipment is directly increased in air conditioning system, on the one hand, heating equipment is relatively large, can influence the overall arrangement of air conditioning system, on the other hand, fuel consumption is increased, and cost is increased;In addition, heating equipment is only heating air, hot air is obviously heat lost after passing through non-metal pipeline, and heating effect is influenced. In the application, heating band 2 is arranged in non-metal pipeline 1, enough heat can be provided for air passing through non-metal pipeline 1;In order to accelerate the heat transfer of heating band 2, heat-conducting guide piece 3 is installed on heating band 2, sufficient heat is provided, and in order to reduce cost, gap is arranged between adjacent heating band 2;The main role of arranging heat-conducting guide piece 3 is that on the one hand, air flow can be guided, air flow can be ensured smooth, and air resistance is reduced, on the other hand, it is helpful to heat dissipation of heating band 2, and the uniformity of air being heated is further improved. Overall, the structure of the application is simple and low in cost, does not affect the arrangement of air conditioning system, can ensure heating effect while ensuring pipeline smooth.
[0034] Further optimization scheme, further comprising:
[0035] The first channel 7 is formed between the adjacent heat bands 2 and the adjacent heat-conducting guide pieces 3, and the first channel 7 forms a first spiral channel with the gap 4, and the first spiral channel is arranged spirally along the heat band 2.
[0036] The gap 4 is arranged between the adjacent heat bands 2, and if the non-metal pipeline 1 is directly ventilated, the gap 4 will generate resistance to a certain extent. The main function of the first spiral channel is to reduce air resistance and ensure smoothness inside the non-metal pipeline 1.
[0037] Further optimization scheme, further comprising:
[0038] The second spiral channel 8 is formed between the heat-conducting guide pieces 3 on both sides of any heat band 2, and the second spiral channel 8 is arranged spirally along the heat band 2 and is in communication with the first spiral channel.
[0039] The air in the second spiral channel 8 can be quickly heated and then smoothly flow through.
[0040] Further optimization scheme, further comprising:
[0041] The through hole is arranged on the heat-conducting guide piece 3, and the first spiral channel and the second spiral channel 8 are in communication through the through hole.
[0042] In order to ensure the uniformity of the temperature in the second spiral channel 8 and the first spiral channel, a plurality of through holes are arranged on the heat-conducting guide piece 3, so that the air in the second spiral channel 8 and the first spiral channel flows, and the air heating efficiency is effectively improved.
[0043] Further optimization scheme, the centripetal side of the plurality of heat-conducting guide pieces 3 is fixedly connected.
[0044] In this way, on the one hand, the structural stability of all the heat-conducting guide pieces 3 is increased, and deformation during air flow or long-term use is avoided, and on the other hand, the connection stability of the heat band 2 in the non-metal pipeline 1 is ensured to a certain extent.
[0045] Further optimization scheme, the heat-conducting guide piece 3 is made of heat-conducting plastic sheet.
[0046] The heat-conducting plastic sheet can not only ensure good heat-conducting effect, but also reduce the overall weight and be easy to process.
[0047] Further optimization scheme, the size of the gap 4 is set to 4mm-6mm.
[0048] The size of the gap 4 is set to 5mm, which can ensure sufficient heat demand and avoid energy waste.
[0049] Further optimization scheme, also includes:
[0050] The heat preservation layer 5 is sleeved outside the non-metal pipeline 1.
[0051] By setting the heat preservation layer 5, the temperature loss of the air inside the non-metal pipeline 1 can be further reduced.
[0052] Further optimization scheme, also includes:
[0053] The temperature sensor is installed in the outlet of the non-metal pipeline 1.
[0054] The valve is installed at the inlet and outlet of the non-metal pipeline 1.
[0055] The pressure gauge is installed at the outlet of the non-metal pipeline 1.
[0056] The non-metal pipeline 1 is connected with the outlet of the compressor through the clamp 6.
[0057] The temperature sensor is used to obtain the air temperature in the outlet of the non-metal pipeline 1, so as to facilitate the control of the heating time of the heating belt 2 (increasing the power when the temperature is lower than the specified range, and reducing the power when the temperature is higher than the specified range) ; when the gas is introduced into the non-metal pipeline 1, the valve is kept open, and the valve is closed when the air heating is stopped; the pressure gauge is mainly used to monitor the pressure of the hot air, and the air intake is increased or reduced according to the actual demand; the non-metal pipeline 1 provides compressed air through the compressor.
[0058] Further optimization scheme, the non-metal pipeline 1 can be a curved pipe or a straight pipe.
[0059] The present application is suitable for curved pipes and straight pipes, three-way pipes.
[0060] It should be noted that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like described herein indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for description purposes and cannot be understood as indicating or implying relative importance.
[0061] In the description herein, it also needs to be explained that, unless explicitly specified and limited, the terms "mount", "connect", "connection" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through intermediate medium. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.
[0062] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A heating structure for the piping of an aircraft air conditioning system, characterized in that, The utility model relates to a heating device for nonmetal pipeline, comprising: a heating band (2), a plurality of the heating band (2) is spirally installed on the inner wall of the nonmetal pipeline (1); a heat-conducting guide piece (3), a plurality of the heat-conducting guide piece (3) is installed on the heating end of the heating band (2) and is spirally arranged with the heating band (2); a gap (4) is arranged between adjacent heating bands (2).
2. The aircraft air conditioning system line heating arrangement of claim 1, wherein, Further comprising: a first channel (7) is formed between adjacent heat-conducting guide pieces (3) on adjacent heating bands (2), and the first channel (7) forms a first spiral channel with the gap (4), which is spirally arranged with the heating band (2).
3. An aircraft air conditioning system line heating arrangement according to claim 2, characterised in that, Further comprising: a second spiral channel (8) is formed between the heat-conducting guide pieces (3) on both sides of any heating band (2), which is spirally arranged with the heating band (2) and communicates with the first spiral channel.
4. The aircraft air conditioning system line heating arrangement of claim 3, wherein, Further comprising: a plurality of through holes are formed on the heat-conducting guide piece (3), and the first spiral channel and the second spiral channel (8) communicate through the through holes.
5. The aircraft air conditioning system line heating arrangement of claim 1, wherein, The centripetal side of a plurality of heat-conducting guide pieces (3) is fixedly connected.
6. The aircraft air conditioning system line heating arrangement of claim 1, wherein, The heat-conducting guide piece (3) is made of heat-conducting plastic sheet.
7. The aircraft air conditioning system line heating arrangement of claim 1, wherein, The size of the gap (4) is 4-6 mm.
8. The aircraft air conditioning system line heating arrangement of claim 1, wherein, Further comprising: a heat preservation layer (5) is sleeved on the outside of the nonmetal pipeline (1).
9. The aircraft air conditioning system line heating arrangement of claim 1, wherein, Further comprising: a temperature sensor is installed in the outlet of the nonmetal pipeline (1); valves are installed at the inlet and outlet of the nonmetal pipeline (1).