A line heating device

Abstract

The application discloses a pipeline heating device, which comprises an electric heating controller integrated on an ECU controller of an automobile, an air pipe having one end connected with an external air supply device and the other end connected with an air executing unit, and an electric heating assembly arranged on the air pipe and electrically connected with the electric heating controller, and is used for realizing air circulation between the external air supply device and the air executing unit, and transmitting heat to the air pipe. When the automobile is started, the ECU controller is powered on, the electric heating controller is powered on, the electric heating assembly is powered on through the electric heating controller, the electric heating assembly generates heat, and heat is transmitted to the air pipe, so that the air pipe can be heated, water vapor or ice crystals condensed in the air pipe can be changed into water vapor, the water vapor can be discharged to the outside by the external air supply device, airway blockage in the air pipe is avoided, problems such as height control failure and slow response of the vehicle body height adjustment are solved, and normal operation of the suspension system and vehicle driving comfort are ensured.

Description

Technical Field

[0001] This disclosure relates to the field of automotive parts technology, specifically to a pipeline heating device. Background Technology

[0002] The car suspension is the connection device between the car body (frame) and the wheels. Its main function is to transmit the torque between the car body and the wheels, such as support force, braking force and steering force, and to reduce the impact of rough roads on the car body, absorb the vibration generated by the movement of the wheels, ensure the comfort of the car ride and reduce the loss of goods during transportation.

[0003] Air suspension, as a suspension system used in high-end automobiles, uses ambient air as a medium to achieve functions such as vehicle height adjustment and shock absorption.

[0004] However, in low-temperature environments, water vapor in the air supply lines is prone to condensation and freezing, leading to air blockage and problems such as height control failure and slow response of vehicle height adjustment, which seriously affect the normal operation of the suspension system and the driving comfort of the vehicle. Utility Model Content

[0005] In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide a pipeline heating device.

[0006] This application provides a pipeline heating device, comprising: An electric heat tracing assembly, wherein the electric heat tracing assembly is a sleeve-type electric heat tracing assembly, a wound-type electric heat tracing assembly, or a fixed electric heat tracing assembly fixed on a gas pipe, and the electric heat tracing assembly is electrically connected to an electric heat tracing controller, wherein the electric heat tracing controller is integrated into the ECU controller of the vehicle; One end of the air pipe is connected to an external air supply device, and the other end is connected to an air actuator unit. The air pipe is used to enable air circulation between the external air supply device and the air actuator unit.

[0007] According to the technical solution provided in the embodiments of this application, the sleeve-type electric heat tracing assembly is sleeved on the gas pipe.

[0008] According to the technical solution provided in the embodiments of this application, the spiral-wound electric heat tracing assembly is wound around the air pipe in a spiral form.

[0009] According to the technical solution provided in the embodiments of this application, the fixed electric heat tracing assembly is fixedly installed on the side wall of the trachea.

[0010] According to the technical solution provided in the embodiments of this application, the electric heat tracing assembly includes: A heat-conducting layer is disposed on the outside of the trachea; An electric heating tape layer is disposed on the side of the heat-conducting layer away from the air tube; A thermal insulation layer is disposed on the side of the electric heating tape layer away from the heat-conducting layer; A metal shielding mesh layer is disposed on the side of the thermal insulation layer away from the electric heating tape layer; A waterproof and anti-corrosion layer is provided on the side of the metal shielding mesh layer away from the thermal insulation layer.

[0011] According to the technical solution provided in the embodiments of this application, the electric heating tape layer includes an electric heating tape, which includes two copper wires and a PTC conductive layer wrapping the copper wires.

[0012] According to the technical solution provided in the embodiments of this application, the two copper wires are respectively connected to the live wire terminal and the neutral wire terminal, and the metal shielding mesh layer includes a metal shielding mesh, which is connected to the ground wire terminal.

[0013] According to the technical solution provided in the embodiments of this application, a sensor is installed inside the trachea, and the sensor is electrically connected to the electric heat tracing controller to detect the temperature inside the trachea so that the electric heat tracing controller can control the power on or off of the electric heat tracing component.

[0014] According to the technical solution provided in the embodiments of this application, an electric heat tracing junction box is provided on the side wall of the ECU controller, and the external air supply device has an air pipe connector for connecting to the air pipe. The air pipe connector is located inside the electric heat tracing junction box. The side wall of the electric heat tracing junction box is provided with a through hole for the air pipe to pass through, and a sealing element is adapted to be installed between the air pipe and the through hole.

[0015] According to the technical solution provided in the embodiments of this application, the side wall of the electric heat tracing junction box away from the ECU controller is open and is provided with a junction box cover, and the through hole is opened on the junction box cover; The ECU controller has a live wire terminal, a neutral wire terminal, and a ground wire terminal on its side wall. The live wire terminal, the neutral wire terminal, and the ground wire terminal are all located inside the electric heat tracing junction box.

[0016] In summary, this technical solution specifically discloses a pipeline heating device, including an electric heat tracing controller integrated into the ECU controller of an automobile; one end of the air pipe is connected to an external air supply device, and the other end is connected to an air actuator unit to realize air circulation between the external air supply device and the air actuator unit; the electric heat tracing component is a socket-type electric heat tracing component, a wound-type electric heat tracing component, or a fixed electric heat tracing component fixed on the air pipe, and the electric heat tracing component is electrically connected to the electric heat tracing controller to deliver heat to the air pipe; When the car is started, the ECU controller is powered on, which in turn powers the electric heat tracing controller. The electric heat tracing controller then powers the electric heat tracing component, causing it to heat up and deliver heat to the air duct. This heats the air duct. When the car is in a low-temperature environment, the electric heat tracing component works, releasing heat to the air duct and raising its temperature. This allows the condensed water vapor or ice crystals inside the air duct to be converted into water vapor, and the external air supply device is controlled to expel the water vapor to the outside. This prevents problems such as height control failure and slow response of vehicle height adjustment due to air duct blockage, ensuring the normal operation of the suspension system and the driving comfort of the vehicle. Attached Figure Description

[0017] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings: Figure 1 This is a schematic diagram of an electric tracing cable spirally wound around a trachea.

[0018] Figure 2 This is a schematic diagram of the live wire terminal, neutral wire terminal, and ground wire terminal.

[0019] Figure 3 This is a cross-sectional view of the electric heat tracing assembly.

[0020] Figure 4 This is a schematic diagram of an air actuator.

[0021] Figure 5 This is a schematic diagram of a pipeline heating device.

[0022] Figure 6 This is a schematic diagram of an electric heating tape being fixedly connected to a trachea.

[0023] The following are the labels in the diagram: 1. ECU controller; 2. Air pipe; 3. External air supply device; 4. Air actuator; 5. Electric heat tracing junction box; 6. Junction box cover; 7. Live wire terminal; 8. Neutral wire terminal; 9. Ground wire terminal; 10. Air pipe connector; 11. Seal; 12. Heat-conducting layer; 13. Electric heat tracing layer; 14. Thermal insulation layer; 15. Metal shielding mesh layer; 16. Waterproof and anti-corrosion layer; 17. Electric heat tracing tape; 18. Tail-end junction box. Detailed Implementation

[0024] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the relevant utility model and not intended to limit the scope of the utility model. Furthermore, it should be noted that, for ease of description, only the parts relevant to the utility model are shown in the accompanying drawings.

[0025] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0026] Please refer to Figures 1 to 4 A pipeline heating device, comprising: The electric heat tracing assembly is a socket-type electric heat tracing assembly, a wound-type electric heat tracing assembly, or a fixed electric heat tracing assembly that is fixed on the air pipe 2. The electric heat tracing assembly is electrically connected to the electric heat tracing controller, which is integrated into the ECU controller 1 of the vehicle. One end of the air pipe 2 is connected to the external air supply device 3, and the other end is connected to the air actuator 4. The air pipe 2 is used to realize air circulation between the external air supply device 3 and the air actuator 4.

[0027] Specifically, the electric heat tracing controller is integrated into the ECU controller 1 of the vehicle. When the vehicle is started, the ECU controller 1 is powered on, which in turn powers the electric heat tracing controller. Then, through the electric heat tracing component and the electric heat tracing controller, the electric heat tracing component can generate heat after being powered on, thereby heating the air pipe 2.

[0028] One end of the air tube 2 is connected to the external air supply device 3, and the other end is connected to the air actuator 4. External air is drawn in through the external air supply device 3 and delivered to the air actuator 4 through the air tube 2, thereby actuating the air actuator 4. That is, the external air supply device 3 is activated to deliver external air into the air actuator 4 or to expel the air from the air actuator 4, which can adjust the vehicle's body height, shock absorption, and other conditions to ensure passenger comfort.

[0029] When the car is in a low-temperature environment, the electric heat tracing controller can energize the electric heat tracing component to make it work, release heat to the air pipe 2, and raise the temperature of the air pipe 2. This will turn the water vapor or ice crystals condensed in the air pipe 2 into water vapor and control the external air supply device 3 to discharge the water vapor to the outside. This will prevent problems such as height control failure and slow response of vehicle height adjustment due to air passage blockage in the air pipe 2, and ensure the normal operation of the suspension system and the driving comfort of the vehicle.

[0030] Furthermore, the socket-type electric heat tracing assembly is socketed onto the air pipe 2.

[0031] Specifically, the electric heat tracing component can be a sleeve-type electric heat tracing component fixed to the outer wall of the trachea 2; the electric heat tracing component is sleeved on the outer wall of the trachea 2, and after being energized, it can heat the trachea 2 in all directions, ensuring the uniformity of heating of the trachea 2 and improving the heating efficiency.

[0032] Furthermore, such as Figure 5As shown, the spiral-wound electric heat tracing assembly is wound in a spiral shape around the air pipe 2.

[0033] Specifically, the electric heat tracing assembly can also be a wound electric heat tracing assembly that is wound around the air pipe 2; by connecting the electric heat tracing assembly to the air pipe 2 through the winding method, the connection stability between the electric heat tracing assembly and the air pipe 2 is ensured, and high-efficiency heating of the air pipe 2 is achieved.

[0034] Furthermore, such as Figure 6 As shown, the fixed electric heat tracing assembly is fixedly installed on the side wall of the air pipe 2.

[0035] Specifically, the electric heat tracing assembly can also be a fixed electric heat tracing assembly that is fixed to the side wall of the air pipe 2. By fixing the fixed electric heat tracing assembly to one side of the air pipe 2, the air pipe 2 can be directly heated, which can achieve the heating purpose and save materials and costs.

[0036] Furthermore, such as Figure 3 As shown, the electric heat tracing assembly includes: Heat-conducting layer 12 is disposed on the outside of the trachea 2; Electric heating tape layer 13 is disposed on the side of heat-conducting layer 12 away from trachea 2; Thermal insulation layer 14 is disposed on the side of electric heating tape layer 13 away from heat conduction layer 12; Metal shielding mesh layer 15 is disposed on the side of thermal insulation layer 14 away from electric heating tape layer 13. Waterproof and anti-corrosion layer 16 is disposed on the side of metal shielding mesh layer 15 away from thermal insulation layer 14.

[0037] Specifically, the air tube 2 is embedded inside the electric heat tracing assembly. In this embodiment, the electric heat tracing assembly is sleeved outside the air tube 2. The electric heat tracing assembly consists of a heat-conducting layer 12, an electric heat tracing layer 13, a thermal insulation layer 14, a metal shielding mesh layer 15, and a waterproof and corrosion-resistant layer 16 in the radial direction away from the air tube 2. The heat-conducting layer 12 is used to transfer heat to the air pipe 2, and can be a hot melt silicone layer or a heat-conducting silicone grease layer with good thermal conductivity; the electric heating tape layer 13 is used for heating; the heat insulation layer 14 is used to keep the heat warm, to prevent heat loss and failure to achieve the purpose of heating the air pipe 2, and at the same time to ensure the insulation of the electric heating tape layer 13; the metal shielding mesh layer 15 plays a role in preventing leakage; the waterproof and anti-corrosion layer 16 is the outermost protective layer to prevent the electric heating component from being damaged by external environmental corrosion.

[0038] Furthermore, the electric heating tape layer 13 includes an electric heating tape 17, which includes two copper wires and a PTC conductive layer wrapping the copper wires.

[0039] Furthermore, two copper wires are respectively connected to the live wire terminal 7 and the neutral wire terminal 8, and the metal shielding layer 15 includes a metal shielding mesh, which is connected to the ground wire terminal 9.

[0040] Specifically, the electric heating tape 17 is used to generate heat by passing electricity through it. Specifically, the copper wire is heated by passing electricity through the PTC conductive layer, and then the heat is conducted to the air tube 2 by the heat-conducting layer 12 to heat the air tube 2. Two copper wires are connected to the live wire terminal 7 and the neutral wire terminal 8 respectively. The end of the metal shielding mesh near the ECU controller 1 is twisted into a metal wire and connected to the ground wire terminal 9.

[0041] Among them, such as Figure 5 As shown, the electric heating cable 17 of the spiral-wound electric heat tracing assembly is spirally wound on the air pipe 2. Heat is generated by energizing the electric heating cable 17, and the heat is conducted to the air pipe 2 by the heat-conducting layer 12, thereby heating the air pipe 2.

[0042] like Figure 6 As shown, the electric heating cable 17 of the fixed electric heating assembly is fixedly installed on the side wall of the air pipe 2. Heat is generated by energizing the electric heating cable 17, and the heat is conducted to the air pipe 2 by the heat-conducting layer 12 to heat the air pipe 2. The electric heating cable 17 is adapted to the air pipe 2 according to the specific structural form of the air pipe 2.

[0043] Furthermore, a sensor is installed inside the trachea 2. The sensor is electrically connected to the electric heat tracing controller and is used to detect the internal temperature of the trachea 2 so that the electric heat tracing controller can control the on / off state of the electric heat tracing component.

[0044] Specifically, the sensor detects the internal temperature of the trachea 2 and sends a temperature signal containing the temperature value to the electric heat tracing controller. The electric heat tracing controller receives the temperature signal and compares the temperature value with the set lower limit and the set upper limit. If the temperature value is less than the set lower limit, the electric heat tracing tape 17 is energized to heat the trachea 2; if the temperature value is greater than the set upper limit, the electric heat tracing tape 17 is de-energized to stop heating the trachea 2. It should be noted that the electric heating tape 17 is a self-regulating electric heating tape. The characteristic of a self-regulating electric heating tape is that it can automatically adjust the intermolecular spacing of the internal conductive polymer material according to the ambient temperature. When the ambient temperature rises, the intermolecular spacing between the polymer materials increases, the conductive path narrows or even breaks, the resistance increases, the heating power decreases, and the temperature rise slows down. When the ambient temperature decreases, the material shrinks, the conductive path is restored, the resistance decreases, the heating power increases, and the heating temperature is maintained within the set range. The set range can be between the lower limit of the set temperature and the upper limit of the set temperature.

[0045] Furthermore, such as Figure 1 and Figure 2 As shown, an electric heat tracing junction box 5 is provided on the side wall of the ECU controller 1, and the external air supply device 3 has an air pipe connector 10 for connecting to the air pipe 2. The air pipe connector 10 is located inside the electric heat tracing junction box 5. The side wall of the electric heat tracing junction box 5 has a through hole for the gas supply pipe 2 to pass through, and a sealing element 11 is fitted between the gas pipe 2 and the through hole.

[0046] Specifically, the electric heat tracing junction box 5 is located on the side wall of the ECU controller 1. The external air supply device 3 has an air pipe connector 10, which extends into the electric heat tracing junction box 5 and is connected to the air pipe 2. Correspondingly, the air pipe 2 extends outward through the through hole on the side wall of the electric heat tracing junction box 5. A sealing element 11 is fitted between the air pipe 2 and the through hole. The sealing element 11 can be a rubber sealing ring to prevent moisture from entering the electric heat tracing junction box 5.

[0047] Furthermore, the side wall of the electric heat tracing junction box 5 away from the ECU controller 1 is open, and a junction box cover 6 is provided, with a through hole opened on the junction box cover 6; The ECU controller 1 has a live wire terminal 7, a neutral wire terminal 8, and a ground wire terminal 9 on its side wall. The live wire terminal 7, neutral wire terminal 8, and ground wire terminal 9 are all located inside the electric heat tracing junction box 5.

[0048] Specifically, the electric heat tracing junction box 5 can cover the live wire terminal 7, neutral wire terminal 8, and ground wire terminal 9, and also cover the gas pipe connector 10. At the same time, waterproof sealing treatment is performed at the connection between the electric heat tracing junction box 5 and the ECU controller 1 to ensure that the live wire terminal 7, neutral wire terminal 8, and ground wire terminal 9 are not corroded by moisture, and to ensure the airtightness when the gas pipe connector 10 is connected to the gas pipe 2 to avoid moisture corrosion, thereby ensuring safety. Corresponding sealing components are provided at the connection between the junction box cover 6 and the electric heat tracing junction box 5 to further ensure airtightness.

[0049] It should be noted that the end of the electric heat tracing assembly away from the electric heat tracing junction box 5 is connected to the tail junction box 18, and the end of the air pipe 2 away from the external air supply device 3 passes through the tail junction box 18 and is connected to the air actuator 4, and the air pipe 2 and the tail junction box 18 are sealed together.

[0050] Working principle: When the car starts, the ECU controller 1 is powered on, the electric heat tracing controller is powered on, the sensor detects the internal temperature of the air pipe 2 and generates a temperature signal containing the temperature value, which is sent to the electric heat tracing controller. The electric heat tracing controller receives the temperature signal and analyzes the temperature value. When the temperature value is lower than the set lower limit, the electric heat tracing tape 17 is powered on to make it heat up, thereby heating the air pipe 2. The heating process turns the water vapor or ice crystals condensed in the air pipe 2 into water vapor, and the air supply device is controlled to discharge the water vapor to the outside. When the temperature value is higher than the set upper limit, the electric heat tracing tape 17 is de-energized to stop heating the air pipe 2 and reduce power consumption. By heating the air pipe 2 with an electric heating component, the water vapor or ice crystals condensed inside the air pipe 2 are turned into water vapor, and the air supply device is controlled to discharge the water vapor to the outside. This avoids problems such as height control failure and slow response of vehicle height adjustment due to air passage blockage in the air pipe 2, thus ensuring the normal operation of the suspension system and the driving comfort of the vehicle.

[0051] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the utility model involved in this application is not limited to the technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this application.

Claims

1. A pipeline heating device, characterized in that, include: The electric heat tracing assembly is a socket-type electric heat tracing assembly, a wound-type electric heat tracing assembly, or a fixed electric heat tracing assembly that is fixed on the air pipe (2). The electric heat tracing assembly is electrically connected to the electric heat tracing controller, which is integrated on the ECU controller (1) of the vehicle. One end of the air pipe (2) is connected to an external air supply device (3), and the other end is connected to an air actuator (4). The air pipe (2) is used to realize air circulation between the external air supply device (3) and the air actuator (4).

2. The pipeline heating device according to claim 1, characterized in that, The sleeve-type electric heat tracing assembly is sleeved on the air pipe (2).

3. The pipeline heating device according to claim 1, characterized in that, The spiral-wound electric heat tracing assembly is spirally wound around the air pipe (2).

4. The pipeline heating device according to claim 1, characterized in that, The fixed electric heat tracing assembly is fixedly installed on the side wall of the air pipe (2).

5. A pipeline heating device according to claim 1, characterized in that, The electric heat tracing assembly includes: A heat-conducting layer (12) is disposed on the outside of the air pipe (2); An electric heating tape layer (13) is disposed on the side of the heat-conducting layer (12) away from the trachea (2); Thermal insulation layer (14) is disposed on the side of the electric heating tape layer (13) away from the heat-conducting layer (12); A metal shielding mesh layer (15) is disposed on the side of the thermal insulation layer (14) away from the electric heating tape layer (13); Waterproof and anti-corrosion layer (16) is provided on the side of the metal shielding mesh layer (15) away from the thermal insulation layer (14).

6. A pipeline heating device according to claim 5, characterized in that, The electric heat tracing layer (13) includes an electric heat tracing tape (17), which includes two copper wires and a PTC conductive layer that wraps the copper wires.

7. A pipeline heating device according to claim 6, characterized in that, The two copper wires are respectively connected to the live wire terminal (7) and the neutral wire terminal (8). The metal shielding mesh layer (15) includes a metal shielding mesh, and the metal shielding mesh is connected to the ground wire terminal (9).

8. A pipeline heating device according to claim 1, characterized in that, A sensor is installed inside the air pipe (2), and the sensor is electrically connected to the electric heat tracing controller to detect the temperature inside the air pipe (2) so that the electric heat tracing controller can control the power on or off of the electric heat tracing assembly.

9. A pipeline heating device according to claim 7, characterized in that, The ECU controller (1) has an electric heat tracing junction box (5) on its side wall. The external air supply device (3) has a duct connector (10) for connecting to the duct (2). The duct connector (10) is located inside the electric heat tracing junction box (5). The electric heat tracing junction box (5) has a through hole on its side wall for the air pipe (2) to pass through, and a sealing element (11) is fitted between the air pipe (2) and the through hole.

10. A pipeline heating device according to claim 9, characterized in that, The side wall of the electric heat tracing junction box (5) away from the ECU controller (1) is open and is provided with a junction box cover (6), and the through hole is opened on the junction box cover (6); The ECU controller (1) has a live wire terminal (7), a neutral wire terminal (8) and a ground wire terminal (9) on its side wall. The live wire terminal (7), the neutral wire terminal (8) and the ground wire terminal (9) are all located inside the electric heat tracing junction box (5).

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