A dedicated car tire inflator structure

Abstract

A special wheel tire inflator pump structure, including brake gas cylinder for storing high pressure gas; fixed stainless steel protection machine case, inside is provided with pressure boosting air supplement assembly for air supplement to tire and alarm assembly for sending low pressure alarm signal, pressure boosting air supplement assembly is connected with brake gas cylinder and tire tail to form passage, so that all tires are kept at rated air pressure, has safe and reliable air pressure control, through pressure protection valve, safety air pressure of brake gas cylinder is guaranteed, influence of brake system performance due to inflation process is avoided; pressure control valve can accurately adjust tire inflation pressure, ensures that tire is in the best working state, improves vehicle driving safety and tire service life.

Description

Technical Field

[0001] This utility model relates to the field of special vehicle equipment technology, and more specifically to a tire inflation pump structure for special vehicles. Background Technology

[0002] In the use of special-purpose vehicles, stable tire pressure is crucial for vehicle safety and performance. Currently, existing tire inflation methods have many shortcomings, such as reliance on external air sources, making them inconvenient to use; the inability to effectively control tire pressure during inflation, potentially leading to excessively high or low pressure, affecting tire lifespan and vehicle stability; and the waste gas generated during inflation is not utilized effectively, resulting in energy waste. Therefore, there is an urgent need for a tire inflation device and method that can be integrated into special-purpose vehicles, effectively control tire pressure, and achieve energy recovery. Utility Model Content

[0003] One advantage of this invention is that it provides a dedicated vehicle tire inflator structure with safe and reliable air pressure control. The pressure protection valve ensures the safe air pressure of the brake reservoir, preventing the performance of the braking system from being affected during the inflation process. The pressure control valve can precisely adjust the tire inflation pressure to ensure that the tire is in the best working condition, thereby improving vehicle driving safety and tire lifespan.

[0004] One advantage of this utility model is that it provides a tire inflation pump structure for special vehicles. It uses the exhaust gas generated by the pneumatic booster pump to drive the blades to rotate and generate electricity, converting the exhaust gas energy into electrical energy, realizing energy recycling, reducing energy waste, lowering the operating cost of special vehicles, and conforming to the development trend of energy conservation and environmental protection.

[0005] One advantage of this utility model is that it provides a special vehicle tire inflator structure that integrates tire inflation, air pressure control, exhaust gas power generation and other functions into the special vehicle. It does not require external air source and power supply, which improves the convenience and independence of the special vehicle and simplifies the equipment operation process.

[0006] One advantage of this invention is that it provides a dedicated tire inflation pump structure for vehicles. The pressure alarm component can monitor tire pressure in real time and issue an alarm in a timely manner when the tire pressure is abnormal, making it easier for users to detect and deal with problems in a timely manner, and further ensuring vehicle driving safety.

[0007] To achieve at least one of the advantages of this utility model, this utility model provides a special vehicle tire inflator structure, including... Brake gas cylinder, used to store high-pressure gas; The fixed stainless steel protective enclosure contains a pressure boosting and inflation component for inflating the tires and an alarm component for issuing a low-pressure alarm signal. The pressure boosting and inflation component is connected to the brake air reservoir and the tire end to form a passage, ensuring that all tires are maintained at the rated air pressure.

[0008] According to one embodiment of the present invention, the booster air supply component includes a low-pressure interface connected to the brake air reservoir, a pressure protection valve connected to the low-pressure interface, a filter connected to the pressure protection valve, a pneumatic reversing valve connected to the other end of the filter, a pneumatic booster pump connected to the pneumatic booster pump, a booster pump two-way connecting pipe connected to the other end of the booster pump two-way connecting pipe connected to the air chamber cooling exchanger housing, a high-pressure air chamber provided inside the air chamber cooling exchanger housing, the booster pump two-way connecting pipe connected to the high-pressure air chamber of the air chamber cooling exchanger housing, a heat absorption plate provided in the high-pressure air chamber, the high-pressure airflow passing through the heat absorption plate for cooling and then connected to a pressure control valve, the pressure control valve connected to several high-pressure air interfaces, and the several high-pressure air interfaces respectively connected to each tire; The pressure protection valve closes when the air pressure is below 6 kg and opens the air passage when it is above 6 kg.

[0009] According to one embodiment of the present utility model, the pneumatic booster pump is also connected to a booster pump 1-way connecting pipe. The other end of the booster pump 1-way connecting pipe is connected to the housing of the air chamber cooling exchanger. A low-pressure air chamber is provided inside the air chamber cooling exchanger housing. The low-pressure air chamber is provided with an air inlet and an air outlet. The booster pump 1-way connecting pipe is connected to the air inlet of the low-pressure air chamber, and an exhaust valve is connected to the exhaust outlet. The alarm component includes a generator and an alarm device. The generator includes a generator main shaft, generator rotor magnetic poles, generator stator coils, generator terminals, generator connecting lines, and a power regulator. The airflow in the low-pressure chamber drives the generator main shaft to rotate, which in turn drives the generator rotor magnetic poles to rotate in the generator stator coils, cutting magnetic lines of force to generate electrical energy. The electrical energy is transmitted to the power regulator through the generator terminals and generator connecting lines. The alarm device includes a main power signal line, an alarm power input line, a pressure alarm, an alarm power output line, a wiring harness plug, a signal light connection line, and a signal indicator light. The power regulator is connected to the pressure alarm through the main power signal line and the alarm power input line. The pressure alarm is connected to the signal indicator light through the alarm power output line, the wiring harness plug, and the signal light connection line.

[0010] According to one embodiment of the present invention, the heat-absorbing sheet has a labyrinth structure.

[0011] As can be seen from the above, the special vehicle tire inflation pump structure provided in this application maintains the rated tire pressure by forming a passage between the brake air reservoir and the pressure boosting and inflation component. At the same time, it uses an alarm component to realize low pressure warning, which solves the problems of traditional inflation equipment relying on external air source, inaccurate air pressure control and lack of warning mechanism. It has the advantages of not needing an external air source, real-time inflation, and low pressure alarm. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structural layout of this utility model; Figure 2 This is a schematic diagram of the structure of the air chamber cooling exchanger of this utility model; In the attached diagram: 1. Brake air reservoir; 2. Low-pressure air inlet pipe; 3. Low-pressure interface; 4. Fixed stainless steel protective casing; 5. Low-pressure connecting pipe; 6. Pressure protection valve; 7. Filter; 8. Pneumatic phase-changing valve; 9. Phase-changing connecting air pipe; 10. Pneumatic booster pump; 11. Air chamber cooling exchanger housing; 12. Booster pump 2-way connecting pipe; 13. High-temperature and high-pressure air inlet; 14. High-pressure air chamber; 15. Heat absorber; 16. High-pressure airflow; 17. Low-temperature and high-pressure air outlet; 18. Low-temperature and high-pressure connecting pipe; 19. Pressure control valve; 20. Control valve connecting pipe; 21. High-pressure air inlet; 22. 23. Tire; 24. Booster pump 1-way connection pipe; 25. Air inlet; 26. Blade; 27. Low-pressure air chamber; 28. Exhaust port; 29. ​​Exhaust gas venting connection pipe; 30. Exhaust valve; 31. Generator main shaft; 32. Generator rotor magnetic pole; 33. Generator stator coil; 34. Generator terminal block; 35. Generator connection wire; 36. Power supply voltage regulator; 37. Main power signal line; 38. Alarm power input line; 39. Pressure alarm; 40. Alarm power output line; 41. Wiring harness plug; 42. Signal light connection wire; 43. Signal indicator light. Detailed Implementation

[0013] To make the objectives, technical solutions, and advantages of this utility model clearer, the following description will be provided in conjunction with the appendix of this utility model. Figure 1 ~Appendix Figure 2 The present invention will be described in more detail below.

[0014] The following description is intended to disclose the present invention so that those skilled in the art can implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art. The basic principles of the present invention defined in the following description can be applied to other embodiments, modifications, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.

[0015] Those skilled in the art should understand that, in the disclosure of this specification, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They 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. Therefore, the above terms should not be construed as limitations on this utility model.

[0016] It is understood that the term "a" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element can be one, while in another embodiment, the number of the element can be multiple, and the term "a" should not be understood as a limitation on the number.

[0017] A special vehicle tire inflator structure includes a brake air reservoir 1 for storing high-pressure gas; a fixed stainless steel protective housing 4, which houses a pressure boosting and inflating component for inflating tires 23 and an alarm component for issuing a low-pressure alarm signal. The pressure boosting and inflating component is connected to the brake air reservoir 1 and tires 23 to form a passage, ensuring that all tires 23 maintain their rated air pressure. The pressure boosting and inflating component includes a low-pressure interface 3 connected to the brake air reservoir 1, a pressure protection valve 6 connected to the low-pressure interface 3, a filter 7 connected to the pressure protection valve 6, and a pneumatic reversing valve connected to the other end of the filter 7. The pneumatic reversing valve is connected to a pneumatic booster pump 10, which is connected to... The booster pump has two connecting pipes 12, one end of which is connected to the air chamber cooling exchanger housing 11. The air chamber cooling exchanger housing 11 contains a high-pressure air chamber 14. The booster pump's two connecting pipes 12 are connected to the high-pressure air chamber 14, which contains heat-absorbing fins 15. High-pressure airflow 16 flows through the heat-absorbing fins 15, is cooled, and then connects to a pressure control valve 19. The pressure control valve 19 has several high-pressure air inlets, each connected to a tire 23. A pressure protection valve 6 closes when the air pressure is below 6 kg and opens when it is above 6 kg. The pneumatic booster pump 10 is also connected to a booster pump's one connecting pipe. 24. The other end of the booster pump 1-way connecting pipe 24 is connected to the air chamber cooling exchanger housing 11. The air chamber cooling exchanger housing 11 is equipped with a low-pressure air chamber 27, which has an air inlet 25 and an exhaust port 28. The booster pump 1-way connecting pipe 24 is connected to the air inlet 25 of the low-pressure air chamber 27, and the exhaust port 28 is connected to an exhaust valve 30. The alarm component includes a generator and an alarm device. The generator includes a generator main shaft 31, a generator rotor magnetic pole 32, a generator stator coil 33, a generator terminal block 34, a generator connecting wire 35, and a power regulator 36. The airflow in the low-pressure air chamber 27 drives the generator main shaft 31 to rotate, thereby driving the generator. The rotor magnetic pole 32 rotates in the generator stator coil 33, cutting magnetic lines of force to generate electrical energy. The electrical energy is transmitted to the power regulator 36 via the generator terminal 34 and the generator connection line 35. The alarm device includes a main power signal line 37, an alarm power input line 38, a pressure alarm 39, an alarm power output line 40, a wiring harness plug 41, a signal light connection line 42, and a signal indicator light 43. The power regulator 36 is connected to the pressure alarm 39 via the main power signal line 37 and the alarm power input line 38. The pressure alarm 39 is connected to the signal indicator light 43 via the alarm power output line 40, the wiring harness plug 41, and the signal light connection line 42. The heat absorber 15 has a labyrinth structure.

[0018] This utility model also provides a method for using a special vehicle tire inflator, including the following steps: Gas input: Gas in brake air cylinder 1 enters the fixed stainless steel protective housing 4 through low-pressure air inlet pipe 2, low-pressure interface 3, and low-pressure connecting pipe 5, and then passes through pressure protection valve 6 and filter 7 to reach pneumatic phase-changing valve 8. Pneumatic pressure boosting: The pneumatic commutation valve 8 controls the pneumatic booster pump 10 through the commutation connection air pipe 9 to boost the gas pressure from 7 kg to 14 kg. Air path splitting: The pressurized gas enters the air chamber cooling exchanger housing 11 in two paths. One path enters the high-pressure air chamber 14 through the booster pump 2 connecting pipe 12 and the high-temperature and high-pressure air inlet 2113. After being cooled by the heat absorption plate 15 in the high-pressure air chamber 14, it reaches the pressure control valve 19 through the low-temperature and high-pressure air outlet 17 and the low-temperature and high-pressure connecting pipe 18. After being adjusted to the standard pressure of the tire 23, the tire is inflated through the control valve connecting pipe 20, the high-pressure air inlet 21, and the air inflation connecting pipe 22. The other path enters the low-pressure air chamber 27 of the air chamber cooling exchanger housing 11 through the booster pump 1 connecting pipe 24 and the air inlet 25, driving the blades 26 to rotate. Exhaust gas power generation: The rotating airflow in the low-pressure chamber 27 drives the generator main shaft 31 to rotate. The generator main shaft 31 drives the generator rotor magnetic pole 32 to rotate in the generator stator coil 33, cutting magnetic lines of force to generate electrical energy. The electrical energy is transmitted to the power regulator 36 through the generator terminal 34 and the generator connection line 35. After being regulated by the power regulator 36, part of the electrical energy is used to power the pressure alarm 39 through the main power signal line 37 and the alarm power input line 38. After the pressure alarm 39 collects the signal, it lights up the signal indicator 43 through the alarm power output line 40, the wiring harness plug 41, and the signal light connection line 42. The other part of the electrical energy can power the electronic control system or be stored in the battery for backup. Exhaust gas emission: The exhaust gas in the low-pressure chamber 27 is discharged into the atmosphere through the exhaust port 28, the exhaust gas venting connection pipe 29 and the exhaust valve 30.

[0019] The first embodiment of this utility model is as follows: This application proposes a structure including a brake air reservoir 1 and a fixed stainless steel protective housing 4. The housing houses a pressurization and replenishment assembly and an alarm assembly. The brake air reservoir 1 stores high-pressure gas. The pressurization and replenishment assembly connects the brake air reservoir 1 to the tires 23, forming a closed-loop circuit. The alarm assembly monitors the pressure status and triggers an alarm. All tires 23 maintain their rated pressure through this circuit.

[0020] Among them, the brake gas storage cylinder 1 refers to a high-pressure gas storage container supporting the vehicle braking system, which is used to provide a stable gas source input. The fixed stainless steel protection chassis 4 refers to a sealed box welded to the vehicle frame, which can be specifically processed with 304 stainless steel plates and is used to encapsulate the pressure boosting and air replenishing components and prevent external environmental erosion. The pressure boosting and air replenishing component refers to a gas circuit system including a multi-stage pressure regulating valve, which is used to boost the output pressure of the gas storage cylinder to the working pressure required by the tire 23. The alarm component refers to a system integrating a pressure sensor and an audible and visual warning device, which can specifically adopt a piezoelectric sensor in cooperation with an LED indicator light and is used to emit a visible alarm signal when the air pressure is abnormal.

[0021] Specifically, the brake gas storage cylinder 1 is connected to the pressure boosting and air replenishing component in the fixed stainless steel protection chassis 4 through a pipeline. When the air pressure of the tire 23 is lower than the set value, the pressure boosting and air replenishing component starts the pressurization program, boosts the gas pressure output by the gas storage cylinder to the target value and then transports it to the tire 23. The alarm component monitors the gas circuit pressure in real time. When it detects that the pressure continuously drops below the safety threshold, it automatically triggers an audible and visual alarm to prompt the operator. The entire gas circuit system forms a closed loop and maintains the air pressure of the tire 23 constant through the pressure control valve 19 to avoid operation errors caused by manual intervention.

[0022] Compared with the prior art, the traditional inflation device needs to be externally connected to a compressor or a gas station for air replenishment, while this solution directly uses the vehicle's own brake gas storage cylinder 1 as the gas source, significantly improving the portability and response speed of the device. In addition, the traditional device lacks a real-time monitoring function, and this solution realizes instant feedback of abnormal pressure through the integrated alarm component, effectively preventing safety accidents caused by tire blowout or insufficient tire pressure.

[0023] Through the above technical solutions, this application realizes the vehicle's independent inflation function, eliminates the dependence on external gas sources, and improves the pressure control accuracy of the tire 23. The pressure closed-loop regulation mechanism can automatically compensate for air pressure fluctuations and reduce the frequency of manual maintenance. The integrated alarm system can timely warn of abnormal pressure and ensure driving safety. The overall structure realizes component protection through a fixed stainless steel chassis and is suitable for long-term stable operation under complex working conditions.

[0024] This application further proposes a special vehicle tire inflation pump structure, including a brake air reservoir 1 and a fixed stainless steel protective housing 4, wherein the fixed stainless steel protective housing 4 is provided with a pressure boosting and air replenishment component and an alarm component. The pressurization and air replenishment assembly includes a low-pressure interface 3 connected to the brake air reservoir 1, a pressure protection valve 6 connected to the pressure protection valve 6 connected to the filter 7, a pneumatic reversing valve connected to the other end of the filter 7, a pneumatic booster pump 10 connected to the pneumatic booster pump 10, a booster pump 2-way connecting pipe 12 connected to the other end of the booster pump 2-way connecting pipe 12 connected to the air chamber cooling exchanger housing 11, a high-pressure air chamber 14 inside the air chamber cooling exchanger housing 11, a booster pump 2-way connecting pipe 12 connected to the high-pressure air chamber 14, a heat absorption plate 15 inside the high-pressure air chamber 14, a high-pressure airflow 16 flowing through the heat absorption plate 15 to cool down and then connected to a pressure control valve 19, a pressure control valve 19 connected to several high-pressure air interfaces, each of which is connected to each tire 23; the pressure protection valve 6 closes when the air pressure is below 6 kg and opens the air passage when it is above 6 kg.

[0025] Among them, low-pressure interface 3 is a connection port for receiving gas output from brake air reservoir 1, which can be implemented using a flange or threaded interface, and is used to introduce gas into the pressurization and replenishment assembly. Pressure protection valve 6 is a valve that automatically opens and closes according to the air pressure threshold, used to cut off the air path to avoid abnormal inflation when the air pressure is insufficient. Filter 7 is a device used to remove impurities from the gas, used to protect subsequent pneumatic components from contamination. Pneumatic reversing valve is a valve that controls the gas flow direction, used to switch the operating state of pneumatic booster pump 10. Heat absorption plate 15 is a heat dissipation structure used to absorb heat from high-pressure gas, used to reduce the temperature of the gas injected into tire 23.

[0026] Specifically, the gas in the brake air reservoir 1 enters the booster air supply assembly through the low-pressure port 3. The pressure protection valve 6 automatically opens when the air pressure reaches 6 kg, allowing the gas to pass through the filter 7 for purification before entering the pneumatic reversing valve. The pneumatic reversing valve directs the gas to the pneumatic booster pump 10 for pressure boosting. The pressurized gas then enters the high-pressure chamber 14 of the air chamber cooling exchanger through the booster pump 2 connecting pipe 12, and flows through the heat absorption fins 15 for cooling. The cooled gas is then regulated to the standard tire pressure 23 by the pressure control valve 19 and used to inflate the tire through the high-pressure air port. The pressure protection valve 6 automatically closes when the air pressure drops below 6 kg to prevent low-pressure gas from entering the inflation system.

[0027] Compared to existing technologies, traditional inflation devices lack the combined structure of pressure protection valve 6 and filter 7, making it impossible to cut off the air path and filter impurities when the air pressure is insufficient, which can easily lead to unstable inflation and equipment wear. In existing technologies, the pressurized gas is directly injected into the tire 23 without the cooling effect of heat absorber 15, which may affect the performance of the tire 23 due to high-temperature gas. This solution integrates pressure protection valve 6, filter 7, and heat absorber 15 to form an inflation system with pressure protection, impurity filtration, and active cooling functions.

[0028] Through the above technical solutions, this application can ensure that the inflation pressure is always higher than the safety threshold, avoiding inflation failure due to insufficient pressure; effectively filter particulate matter and moisture in the gas, extending the service life of pneumatic components; and actively reduce the gas temperature through the heat-absorbing sheet 15 to prevent high-temperature gas from causing thermal damage to the tire 23, thereby improving the safety and reliability of the inflation process.

[0029] This application further proposes that the pneumatic booster pump 10 is also connected to a booster pump 1 connection pipe 24, the other end of which is connected to the air chamber cooling exchanger housing 11. The air chamber cooling exchanger housing 11 contains a low-pressure air chamber 27, which has an air inlet 25 and an air outlet 28. The booster pump 1 connection pipe 24 is connected to the air inlet 25 of the low-pressure air chamber 27, and the air outlet 28 is connected to an exhaust valve 30. The alarm component includes a generator and an alarm device. The generator includes a generator main shaft 31, a generator rotor magnetic pole 32, a generator stator coil 33, a generator terminal block 34, a generator connection wire 35, and a power supply regulator 36. The air in the low-pressure air chamber 27... The current drives the generator main shaft 31 to rotate, which in turn drives the generator rotor magnetic poles 32 to rotate in the generator stator coils 33, cutting magnetic lines of force to generate electrical energy. The electrical energy is transmitted to the power regulator 36 through the generator terminal 34 and the generator connection line 35. The alarm device includes a main power signal line 37, an alarm power input line 38, a pressure alarm 39, an alarm power output line 40, a wiring harness plug 41, a signal light connection line 42, and a signal indicator light 43. The power regulator 36 is connected to the pressure alarm 39 through the main power signal line 37 and the alarm power input line 38. The pressure alarm 39 is connected to the signal indicator light 43 through the alarm power output line 40, the wiring harness plug 41, and the signal light connection line 42.

[0030] The booster pump 1 connecting pipe 24 is a pipe used to divert a portion of the pressurized gas to the low-pressure chamber 27. Its function is to introduce the pressurized gas into the low-pressure chamber 27 to drive the power generation device. The low-pressure chamber 27 is a cavity located inside the air chamber cooling exchanger housing 11 to accommodate low-pressure airflow. The air inlet 25 and exhaust outlet 28 inside the chamber are used to control the airflow, causing the exhaust gas to flow in a directional manner within the chamber. The power generation device is a component that converts the kinetic energy of the airflow within the low-pressure chamber 27 into electrical energy. Specifically, this can be achieved by installing a blade structure 26 on the generator main shaft 31. When the airflow drives the blades 26 to rotate, it causes the generator rotor magnetic poles 32 to cut magnetic lines of force in the stator coil, generating current and thus converting the exhaust gas energy into usable electrical energy. The alarm device refers to a system used to monitor abnormal air pressure and trigger warning signals. Specifically, it can be implemented through a pressure sensor and signal light linkage circuit. When the pressure control valve 19 detects that the air pressure is lower or higher than the set threshold, the pressure alarm 39 sends an electrical signal to the signal indicator 43 through the wiring harness plug 41 to trigger the light warning.

[0031] Specifically, the pressurized gas enters the low-pressure chamber 27 through the booster pump's connecting pipe 24. The airflow drives the blades 26 within the chamber to rotate, which in turn drives the generator main shaft 31 to rotate. When the generator rotor magnetic poles 32 rotate in the stator coils, they generate an induced current. This current is transmitted to the power regulator 36 via the terminals for voltage regulation. The regulated electrical energy is divided into two paths: one path powers the pressure alarm 39 via the main power signal line 37, and the other path provides backup power for external electronic equipment. When the pressure control valve 19 detects an abnormal gas pressure, the pressure alarm 39 transmits a signal to the indicator light 43 via the wiring harness connector 41, triggering the warning light. The exhaust gas in the low-pressure chamber 27 is finally discharged through the exhaust valve 30, achieving simultaneous operation of exhaust gas emission and energy recovery.

[0032] Compared to existing technologies, current inflation devices typically directly discharge exhaust gas without recovering its kinetic energy. This solution, however, combines a low-pressure chamber 27 with a power generation device to convert exhaust gas energy into electrical energy, which is then used to power an alarm system, achieving integration of energy self-sufficiency and air pressure monitoring. Furthermore, existing air pressure alarm functions often rely on external power sources; this solution uses an internal power generation system to power the alarm device, avoiding dependence on external power.

[0033] Through the above technical solution, this application can use the exhaust gas generated during the inflation process to drive the power generation device, realize energy recovery and reduce energy consumption; by integrating a self-powered alarm system, it can monitor abnormal air pressure in real time and trigger warning signals to avoid damage to the tire 23 due to uncontrolled air pressure; at the same time, the combination of exhaust gas emission and power generation function simplifies the equipment structure and improves the system operating efficiency.

[0034] This application further proposes that the heat absorber 15 has a labyrinth structure.

[0035] Among them, the labyrinth structure refers to a heat sink design with a continuous meandering path, which improves heat dissipation efficiency by extending the airflow path and increasing the contact area.

[0036] Specifically, in the high-pressure chamber 14, when the high-temperature, high-pressure gas flows through the labyrinthine heat absorber 15, the heat exchange time between the gas and the heat absorber 15 is prolonged because the airflow is forced to flow along a circuitous path. For example, the gas repeatedly changes its flow direction in the gaps between multiple layers of interlaced metal plates, and the heat is absorbed by the heat absorber 15 and diffused to the surrounding environment, thereby achieving rapid cooling. As a result, the gas temperature at the outlet of the high-pressure chamber 14 is effectively controlled, preventing damage to the pressure control valve 19 or the tire 23 seals due to excessively high gas temperature, while ensuring the stability of the inflation pressure.

[0037] Through the above technical solution, this application can effectively reduce the temperature of the high-pressure airflow 16, prevent high temperature from damaging the inflation system components, and avoid tire 23 pressure control deviation caused by gas temperature fluctuations, thereby improving inflation accuracy and system reliability.

[0038] This application further proposes a method for using a special vehicle tire inflator, including the following steps: Gas input: Gas in the brake air reservoir 1 enters the fixed stainless steel protective housing 4 through the low-pressure inlet pipe 2, low-pressure interface 3, and low-pressure connecting pipe 5, and then passes through the pressure protection valve 6 and filter 7 to reach the pneumatic reversing valve 8; Air pressure boosting: The pneumatic reversing valve 8 controls the pneumatic booster pump 10 through the reversing connecting pipe 9 to boost the gas pressure from 7 kg to 14 kg; Air path splitting: The boosted gas is split into two paths and enters the air chamber cooling exchanger housing 11. One path enters the high-pressure air chamber 14 through the booster pump 2 connecting pipe 12 and high-temperature high-pressure inlet 2113. After being cooled by the heat absorption plate 15 in the high-pressure air chamber 14, it reaches the pressure control valve 19 through the low-temperature high-pressure outlet 17 and low-temperature high-pressure connecting pipe 18. After being adjusted to the standard pressure of the tire 23, it inflates all the tires of the vehicle through the control valve connecting pipe 20, high-pressure inlet 21, and inflation connecting pipe 22; The other path... The airflow enters the low-pressure chamber 27 of the air cooler housing 11 through the booster pump 1 connecting pipe 24 and the air inlet 25, driving the blades 26 to rotate; Exhaust gas power generation: The rotating airflow in the low-pressure chamber 27 drives the generator main shaft 31 to rotate. The generator main shaft 31 drives the generator rotor magnetic poles 32 to rotate in the generator stator coil 33, cutting magnetic lines of force to generate electrical energy. The electrical energy is transmitted to the power regulator 36 through the generator terminal 34 and the generator connecting line 35. After being regulated by the power regulator 36, part of the electrical energy powers the pressure alarm 39 through the main power signal line 37 and the alarm power input line 38. After the pressure alarm 39 collects the signal, it illuminates the signal indicator 43 through the alarm power output line 40, the wiring harness plug 41, and the signal light connecting line 42. The other part of the electrical energy can power the electronic control system or be stored in the battery for backup; Exhaust gas emission: The exhaust gas in the low-pressure chamber 27 is discharged into the atmosphere through the exhaust port 28, the exhaust gas venting connecting pipe 29, and the exhaust valve 30.

[0039] Among them, the pneumatic commutation valve 8 is a valve that changes the airflow direction through a pneumatic pressure signal, used to switch the working state of the pneumatic booster pump 10. The pneumatic booster pump 10 is a booster device that uses compressed air to drive the piston to reciprocate. The air chamber cooling exchanger housing 11 is a heat exchange device with independent air chambers, which can be implemented using an aluminum alloy cast housing, with separate high and low pressure air chambers 27 inside. The heat absorption fin 15 is a heat dissipation structure used to absorb the heat of compressed gas, which can be implemented using metal fins with tortuous channels, such as copper heat sinks arranged in a labyrinth. The pressure control valve 19 is a valve that regulates the output air pressure, which can be implemented using a pilot-operated pressure regulating valve, used to adjust the high pressure gas to the standard pressure of the tire 23. The generator main shaft 31 is the drive shaft connecting the impeller and the generator, which can be implemented using a stainless steel shaft body, and rotates in the low pressure air chamber 27 supported by bearings.

[0040] Specifically, the high-pressure gas stored in the brake air reservoir 1 enters the chassis through the pipeline system and is first filtered by the pressure protection valve 6. When insufficient pressure is detected, the air supply is automatically cut off. The pneumatic phasing valve 8 switches the air supply direction according to the control signal, activating the pneumatic booster pump 10 and increasing the input air pressure to the set value. The boosted gas is divided into two paths: the main air path, after being cooled by the high-pressure chamber 14, is precisely adjusted to the pressure value required by the tire 23 by the pressure control valve 19. Whenever the tire 23 pressure falls below the required pressure value, the pressure alarm 39 detects the signal and the control system replenishes the air until the required pressure value is reached; the auxiliary air path enters the low-pressure chamber 27 to drive the impeller, which in turn drives the generator to produce electricity. The generated electricity is output in two ways: one part directly drives the pressure alarm device, and the other part powers the on-board electronic equipment. The exhaust gas from the low-pressure chamber 27, after energy conversion, is discharged from the system through the exhaust valve 30, forming a complete gas circulation path.

[0041] Compared to existing technologies, current inflation equipment requires an external air source and cannot recover energy from waste gas. This solution, however, integrates a brake gas cylinder 1 as the air source and utilizes waste gas to drive a power generation device, constructing a closed-loop energy system. Traditional methods rely on manual monitoring of air pressure; this solution achieves automatic air pressure regulation through the linkage of a pressure control valve 19 and an alarm device. Existing technologies directly discharge the high-temperature gas generated during the pressurization process; this solution achieves both gas cooling and energy recovery through a wind tunnel cooling exchanger.

[0042] Through the above technical solution, this application achieves autonomous vehicle inflation without relying on external air source equipment. The dual air path design, in conjunction with the pressure control valve 19, ensures that the tire pressure 23 remains stable within the set range. An exhaust-driven power generation device converts the previously wasted pneumatic kinetic energy into usable electrical energy, providing auxiliary power to onboard equipment. The entire inflation process forms a closed-loop system, achieving energy recovery and harmless exhaust emission while simultaneously inflating the tire 23.

[0043] Specifically, during the gas input stage, the pressure protection valve 6 ensures that the intake pressure is not lower than the threshold, preventing low-pressure gas from entering the system; during the gas diversion stage, the air chamber cooling exchanger housing 11 is used to cool the high-pressure gas, while some airflow is introduced into the low-pressure chamber 27 to drive the blades 26 to rotate; during the exhaust gas power generation stage, the kinetic energy of the blades 26 is transferred to the generator through the main shaft, and the generated electrical energy is stabilized to provide an independent power supply for the pressure alarm 39; during the exhaust gas emission stage, the exhaust valve 30 controls the pressure balance of the low-pressure chamber 27 to prevent backflow of airflow from affecting the system stability.

[0044] Through the above technical solutions, this application realizes a self-sustaining energy supply for the vehicle tire inflation process, solving the problem of traditional equipment relying on external power sources; through branch cooling and pressure closed-loop control, it ensures accurate and stable inflation pressure; and by using exhaust gas kinetic energy to generate electricity, it provides an independent power source for the alarm system, avoiding monitoring failure caused by power supply interruptions.

[0045] In some specific embodiments, the pressure alarm 39 can be configured to trigger an audible and visual alarm signal when the detected air pressure is lower than a set threshold, and the output voltage of the power regulator 36 can be set to 12V DC to adapt to the vehicle electrical system.

[0046] Through the above technical solution, this application achieves closed-loop control of air pressure during tire inflation, avoiding over-inflation or under-inflation caused by manual intervention. Simultaneously, it converts exhaust gas energy into onboard electricity, reducing reliance on independent power sources. The integrated design of the inflation system and the vehicle's brake air source eliminates the need for additional air pump equipment, enhancing the self-sufficiency of the special-purpose vehicle during field operations.

[0047] The above description is merely an embodiment of this application and is not intended to limit the scope of protection of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. A special vehicle tire inflator structure, characterized in that: include Brake gas cylinder, used to store high-pressure gas; A fixed stainless steel protective enclosure is provided, which contains a pressure boosting and inflation component for inflating the tires and an alarm component for issuing a low-pressure alarm signal. The pressure boosting and inflation component is connected to the brake air reservoir and the tire end to form a passage, so that all tires are kept at the rated air pressure.

2. The special vehicle tire inflator structure according to claim 1, characterized in that: The pressurization and air replenishment assembly includes a low-pressure interface connected to the brake air reservoir, a pressure protection valve connected to the low-pressure interface, a filter connected to the pressure protection valve, a pneumatic reversing valve connected to the other end of the filter, a pneumatic booster pump connected to the pneumatic booster pump, a booster pump two-way connecting pipe connected to the other end of the booster pump two-way connecting pipe connected to the air chamber cooling exchanger housing, a high-pressure air chamber provided inside the air chamber cooling exchanger housing, the booster pump two-way connecting pipe connected to the high-pressure air chamber of the air chamber cooling exchanger housing, a heat absorption fin provided in the high-pressure air chamber, the high-pressure airflow passing through the heat absorption fin to cool down and then connected to a pressure control valve, the pressure control valve connected to several high-pressure air interfaces, and the several high-pressure air interfaces are respectively connected to each tire; The pressure protection valve closes when the air pressure is below 6 kg and opens the air passage when the air pressure is above 6 kg.

3. The special vehicle tire inflator structure according to claim 2, characterized in that: The pneumatic booster pump is also connected to a booster pump 1 connecting pipe. The other end of the booster pump 1 connecting pipe is connected to the air chamber cooling exchanger housing. The air chamber cooling exchanger housing is provided with a low-pressure air chamber. The low-pressure air chamber is provided with an air inlet and an air outlet. The booster pump 1 connecting pipe is connected to the air inlet of the low-pressure air chamber. The air outlet is connected to an exhaust valve. The alarm component includes a power generation device and an alarm device. The power generation device includes a generator main shaft, a generator rotor magnetic pole, a generator stator coil, a generator terminal block, a generator connecting line, and a power regulator. The airflow in the low-pressure chamber drives the generator main shaft to rotate, which in turn drives the generator rotor magnetic pole to rotate in the generator stator coil, cutting magnetic lines of force to generate electrical energy. The electrical energy is transmitted to the power regulator through the generator terminal block and the generator connecting line. The alarm device includes a main power signal line, an alarm power input line, a pressure alarm, an alarm power output line, a wiring harness plug, an indicator light connection line, and an indicator light. The power regulator is connected to the pressure alarm through the main power signal line and the alarm power input line. The pressure alarm is connected to the indicator light through the alarm power output line, the wiring harness plug, and the indicator light connection line.

4. The special vehicle tire inflator structure according to claim 3, characterized in that: The heat-absorbing sheet has a labyrinth structure.

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