A real-time tire pressure monitoring electric tire valve assembly

Abstract

This application relates to the field of central tire inflation / deflation systems for automobiles, specifically disclosing a real-time tire pressure monitoring electric tire valve assembly, which includes: a tire pressure monitoring device; an inflation device for inflating the tire when the tire pressure is lower than a preset value; the inflation device includes: a protective housing mounted on the tire hub and forming a mounting chamber; a pump body disposed in the mounting chamber; a delivery pipe forming a first connection portion connected to the output end of the pump body and a second connection portion connected to the tire's air passage interface; and a control component for controlling the opening and closing state of the second connection portion; wherein, the protective housing is disposed in the center of the tire hub; the center of the protective housing forms an opening for the pump body's input end to communicate with the external environment. This application has the ability to obtain the tire pressure in real time through the tire pressure monitoring device and to control the tire pressure in real time, thereby better ensuring safe tire operation through real-time tire pressure monitoring and adjustment.

Description

Technical Field

[0001] This application relates to the field of central tire inflation / deflation systems for automobiles, and in particular to an electric tire valve assembly for real-time tire pressure monitoring. Background Technology

[0002] In recent years, wireless tire pressure monitoring systems have become increasingly popular among drivers. These systems display real-time tire pressure, helping drivers better manage their tires, extend tire life, reduce accident risks, and improve overall vehicle performance and reliability. However, current wireless tire pressure monitoring systems are only auxiliary systems; they can only monitor tire pressure and cannot manage it. Drivers still need to adjust tire pressure using other methods.

[0003] Current wireless tire pressure monitoring systems cannot monitor tire pressure in real time. Summary of the Invention

[0004] To address the issue of the inability to monitor tire pressure in real time, this application provides a real-time tire pressure monitoring electric tire valve assembly.

[0005] The real-time tire pressure monitoring electric tire valve assembly provided in this application adopts the following technical solution:

[0006] A real-time tire pressure monitoring electric tire valve assembly includes: a tire pressure monitoring device for monitoring the tire pressure; and an air injection device for injecting air into the tire when the tire pressure is lower than a preset value. The air injection device includes: a protective housing mounted on the tire hub and forming a mounting chamber; a pump body disposed in the mounting chamber; a delivery pipe forming a first connection portion connected to the output end of the pump body and a second connection portion communicating with the tire's air passage interface; and a control component for controlling the opening and closing state of the second connection portion. The protective housing is disposed in the center of the tire hub, and the center of the protective housing forms an opening for the pump body's input end to communicate with the external environment.

[0007] By adopting the above technical solution, tire pressure can be detected in real time, and air can be injected promptly when tire pressure is insufficient to ensure tire pressure balance. This prevents uneven tire pressure from causing vehicle loss of control and improves driving safety. The protective shell mounted on the tire rim allows the inflation device to adjust tire pressure during vehicle operation, ensuring balanced tire pressure throughout the journey.

[0008] Optionally, a shock-absorbing device is provided between the pump body and the protective housing; the shock-absorbing device is used to create a shock-absorbing connection between the pump body and the protective housing.

[0009] By adopting the above technical solution, the purpose of the shock-absorbing device between the pump body and the protective shell is to reduce vibration between the pump body and the tire rim. Firstly, it prevents the tire's continuous high-speed rotation from causing slight vibration in the rim during vehicle operation. The shock-absorbing device can prevent vibration from being transmitted to the pump body, protecting its safety. Secondly, it can isolate vibration generated by the tire running on uneven roads. Since the pump body itself may vibrate during operation, the shock-absorbing device prevents vibration from being transmitted to the tire rim, thus avoiding uneven mass distribution and dynamic balance problems caused by vibration in the tire rim. This better protects the safe use of the pump body and the normal rotation of the tire rim.

[0010] Optionally, the shock-absorbing device includes: a flexible liquid bag, a first connector, a second connector, and an elastic member; the flexible liquid bag is filled with a fluid liquid; both the first connector and the second connector are fixed to the flexible liquid bag, and the flexible liquid bag is located between the first connector and the second connector; the elastic member is used to cause the first connector and the second connector to squeeze the elastic member; the first connector forms a first pressure surface that contacts the flexible liquid bag, and the second connector forms a second pressure surface that contacts the flexible liquid bag, both the first pressure surface and the second pressure surface covering the flexible liquid bag; the first connector is connected to the protective shell, and the second connector is used to install the pump body component.

[0011] By adopting the above-mentioned technical solution—using flexible liquid bags for shock absorption—the vibration source is reduced through liquid, resulting in better shock absorption compared to traditional flexible shock-absorbing pad designs. Furthermore, since the flexible liquid bags are filled with liquid, which has no fixed shape, the liquid in the bags may bulge outwards in some situations due to inertia during wheel hub rotation. This bulging can alter the uniformity of tire mass distribution, leading to a problem with tire dynamic balance. To avoid this, the first and second connecting parts are used to press down the flexible liquid bags, preventing bulging and thus better preventing changes in the shape of the flexible liquid bags, thereby better preventing tire dynamic balance issues. The purpose of using elastic elements to provide the force for the first and second connectors to hold the flexible liquid bag in place is that the elastic elements can elastically deform or deform in most flexible liquid bags. If the first and second connectors are directly tightened with bolts to press the flexible liquid bag tightly, then after a long period of use, the flexible liquid bag will undergo elastic deformation or deformation, which will greatly reduce the pressure of the first and second connectors pressing the flexible liquid bag, or even make it impossible to press the flexible liquid bag tightly. Therefore, using elastic elements can improve the service life and better ensure that the flexible liquid bag is pressed tightly to prevent the flexible liquid bag from bulging and causing dynamic balance problems.

[0012] Optionally, the shock absorption device further includes: a limiting member for forming a limiting chamber; the first connecting member and the flexible liquid bag are both disposed in the limiting chamber; the flexible liquid bag abuts against the inner wall of the limiting chamber; the elastic member is used to cause the first connecting member and the second connecting member to squeeze the flexible liquid bag in the limiting chamber so that the mass of the flexible liquid bag is uniform.

[0013] By adopting the above technical solution, the flexible liquid bag is confined in a limiting chamber, which prevents the flexible liquid bag from bulging in the direction perpendicular to the clamping force of the first and second connectors. This ensures that the flexible bag only bulges and deforms in the direction of the clamping force of the first and second connectors, while the first and second connectors press the flexible liquid bag tightly, thus preventing the flexible liquid bag from bulging and better preventing dynamic balance problems, thereby better ensuring the normal use of the tire.

[0014] Optionally, the installation chamber is provided with a clamping member for connecting the delivery pipe to the installation chamber; the delivery pipe is a flexible hose; the clamping member applies a clamping force to the delivery pipe to form a delivery channel with a fixed shape.

[0015] By adopting the above technical solution, the delivery pipe is a flexible hose, which allows for easier bending during installation, making it easier and less strenuous to connect the delivery pipe to the tire's air passage interface. However, the use of a flexible hose can cause the delivery pipe to wobble as the tire rotates. This wobble can affect the tire's dynamic balance, making it unstable. Therefore, using a tightening device to secure the delivery pipe is to prevent wobble and better avoid dynamic balance problems.

[0016] Optionally, the installation chamber is further provided with multiple counterweight liquid bags and a mass adjustment component that connects the multiple counterweight liquid bags to the flexible liquid bag; the mass adjustment component is used to add liquid from the flexible liquid bag to one or more of the counterweight liquid bags to make the tire mass distribution uniform.

[0017] By adopting the above technical solution, the liquid in the flexible liquid bag can be discharged outwards into the counterweight liquid bag, thereby achieving the goal of setting a dynamic balance block on the tire hub and better solving the dynamic balance problem. At the same time, the liquid in the flexible liquid bag is discharged outwards, and due to the action of the elastic element, the first connector and the second connector can keep the flexible liquid bag pressed tightly. Therefore, even if the liquid is discharged outwards, the flexible liquid bag will not bulge, so the flexible liquid bag will not affect the original dynamic balance of the tire hub. Thus, the beneficial effects of adjusting the dynamic balance of the tire hub and maintaining a stable shock absorption effect are both achieved.

[0018] Optionally, the mass adjustment component includes: a control valve, a hydraulic pump, a main pipeline, and branch pipelines; the main pipeline is connected to the flexible liquid bag, and multiple branch pipelines are provided, which are used to connect multiple counterweight liquid bags to the main pipeline; the control valve is provided on the branch pipelines; and the hydraulic pump is provided on the main pipeline.

[0019] By adopting the above technical solution, the liquid installation requirements can be allocated to each counterweight liquid bag, thereby better adjusting the dynamic balance problem.

[0020] Optionally, the installation chamber is provided with a pipe groove and an embedding groove; the pipe groove is used to accommodate the branch pipe and the main pipe; the embedding groove is used to accommodate the counterweight liquid bag; an elastic cover is provided on the embedding groove, the elastic cover is used to form an elastic displacement plane that abuts against the counterweight liquid bag.

[0021] By adopting the above technical solution, the branch pipes and main pipes are set in the pipe groove to prevent shaking of the branch pipes and main pipes during tire rotation. In addition, the elastic displacement plane abuts against the counterweight liquid bag, that is, the elastic displacement plane presses the counterweight liquid bag tightly. Thus, the counterweight liquid bag, like the flexible liquid bag, will not bulge and affect the dynamic balance of the tire and wheel hub, thus better ensuring the smooth operation of the tire.

[0022] Optionally, a filter element for filtering out dust and impurities is provided at the inlet. This technical solution aims to prevent dust from entering the pump body and affecting its lifespan.

[0023] Optionally, the protective housing includes an abutment plate, a cover, and a flexible pad; the abutment plate is used to abut against the side of the tire's rim, and the cover is formed in the middle of the abutment plate; the cover has an installation opening, and the flexible pad is used to seal the installation opening and to abut against the tire's rim.

[0024] The above technical solution is adopted to facilitate the installation of components from the mounting port onto the cover. The flexible pad is used to seal the mounting port, making it easier to install the protective shell on the wheel hub and also to carry the protective shell.

[0025] In summary, this application includes at least one of the following beneficial technical effects:

[0026] 1. The tire pressure is monitored and adjusted in real time through the tire pressure monitoring device to better ensure safe driving.

[0027] 2. By integrating the central tire inflation / deflation system and wireless tire pressure monitoring system onto the tire through shock absorption devices and protective shells, the vibration caused by the high-speed operation of the tire can be avoided, which could damage the central tire inflation / deflation system and wireless tire pressure monitoring system, thus better realizing real-time tire pressure monitoring during driving;

[0028] 3. By setting up counterweight fluid bags, the dynamic balance of the tires can be adjusted in real time to ensure more stable tire operation. Attached Figure Description

[0029] Figure 1 This is an overall schematic diagram based on an embodiment of this application;

[0030] Figure 2 This is a structural diagram of a part of an embodiment, mainly showing the structure of the protective casing;

[0031] Figure 3 This is a structural schematic diagram as part of an embodiment, mainly showing the structure of the counterweight liquid bag inside the protective shell;

[0032] Figure 4 This is a structural schematic diagram as part of an embodiment, mainly showing an observation from another perspective. Figure 3 The structure;

[0033] Figure 5 This is a structural schematic diagram as part of an embodiment, mainly showing the structure of the first connector, the second connector, the elastic member, and some surrounding parts;

[0034] Figure 6 This is a structural schematic diagram as part of an embodiment, mainly showing an observation from another perspective. Figure 5 The structure;

[0035] Figure 7 This is a structural schematic diagram as part of an embodiment, mainly showing the structure of the flexible liquid bag, the first connector, and the second connector;

[0036] Figure 8 This is a structural schematic diagram as part of an embodiment, mainly showing the structure of the liquid extraction tube inside the protective shell;

[0037] Figure 9 This is a structural schematic diagram of a part of the embodiment, mainly showing... Figure 8 Schematic diagram of some components in the diagram;

[0038] Figure 10 This is a structural schematic diagram of a part of an embodiment, mainly showing the location of the connecting groove;

[0039] Figure 11 This is a structural schematic diagram as part of an embodiment, mainly showing the structure of the internal limiting member of the protective shell;

[0040] Figure 12 This is a structural schematic diagram of a part of the embodiment, mainly showing the structure of the limiting member and some surrounding parts;

[0041] Figure 13 A schematic diagram of a portion of the embodiment mainly shows the structure of the limiting groove and the flexible liquid bag;

[0042] Figure 14 This is a structural schematic diagram of a part of the embodiment, mainly showing... Figure 13 A schematic diagram of the exploded structure;

[0043] Figure 15 This is a structural schematic diagram as part of an embodiment, mainly showing the structure of the main pipeline and branch pipelines inside the protective housing;

[0044] Figure 16 This is a structural schematic diagram as part of an embodiment, mainly showing the structure of the main pipeline, branch pipelines, hydraulic pump, and some surrounding parts;

[0045] Figure 17 This is a structural schematic diagram as part of an embodiment, mainly showing an observation from another perspective. Figure 16 The structure;

[0046] Figure 18 This is a structural schematic diagram of a part of the embodiment, mainly showing... Figure 3 The cross-sectional structure;

[0047] Figure 19 yes Figure 18 Enlarged view of part A;

[0048] Figure 20 yes Figure 18 Enlarged view of part B;

[0049] Figure 21 A schematic diagram of a portion of the embodiment mainly shows... Figure 11 The cross-sectional structure;

[0050] Figure 22 yes Figure 21 Enlarged view of part C;

[0051] Figure 23 This is a structural schematic diagram of a part of the embodiment, mainly showing... Figure 8 The cross-sectional structure;

[0052] Figure 24 yes Figure 23 Enlarged view of part D.

[0053] Figure label:

[0054] 1. Protective outer shell; 11. Abutment plate; 12. Cover; 13. Flexible pad; 14. Pipe groove; 15. Embedded groove; 16. Connecting groove;

[0055] 2. Pump body components; 3. Delivery pipe;

[0056] 4. Tires;

[0057] 5. Shock-absorbing device; 51. Flexible liquid bag; 52. First connector; 53. Second connector; 531. Protrusion; 55. Elastic element; 56. Limiting element; 561. Limiting chamber;

[0058] 6. Fastening components; 61. Pipe housing; 62. Screw;

[0059] 7. Counterweight liquid bag; 8. Mass adjustment component; 81. Control valve; 82. Hydraulic pump; 83. Main pipeline; 84. Branch pipeline; 85. Liquid extraction component; 86. Elastic cover; 861. Spring; 862. Moving plate; 87. Liquid extraction tube; 88. Piston plate; 89. Displacement drive component;

[0060] 9. Filter element; 91. Annular block; 92. Flexible filter section; 93. Rigid section. Detailed Implementation

[0061] The following is in conjunction with the appendix Figure 1-24 This application will be described in further detail.

[0062] Example 1

[0063] A real-time tire pressure monitoring electric tire valve assembly includes: a pressure monitoring device and an air injection device. The pressure monitoring device is used to monitor the air pressure in the tire 4. The air injection device is used to inject air into the tire 4 when the air pressure in the tire 4 is lower than a preset value. The pressure monitoring device is a pressure sensor. Existing wireless tire pressure monitoring systems have tire pressure regulation and detection functions, but they have limitations. They can only detect the current tire pressure of the tire 4 when in use. During use, the tire 4 needs to be inflated, and the tire 4 valve is opened by the air pressure, connecting the tire 4 to the air passage of the wireless tire pressure monitoring system. Finally, the current tire pressure value is read by the sensor. Furthermore, the tire 4 valve used in current central tire inflation / deflation technology has the following drawbacks: the tire 4 valve is a pneumatic structure, and the opening and closing of the valve body is limited by the pipe diameter and air pressure, thus limiting the tire pressure regulation range; the tire 4 valve lacks a sensor, making it impossible to monitor the tire 4 air pressure and tire 4 temperature in real time.

[0064] By installing a tire pressure monitoring device in the tire 4, the tire pressure of the tire 4 can be monitored in real time, and a temperature sensor is also installed to monitor the temperature of the tire 4.

[0065] The gas injection device includes: a protective shell 1, a pump body 2, a delivery pipe 3, and a control component.

[0066] A protective shell 1 is mounted on the hub of the tire 4, and the middle part of the protective shell 1 forms a mounting chamber. A pump body 2, which is an air pump, is disposed within the mounting chamber. A delivery pipe 3 forms a first connection portion connecting to the output end of the pump body 2 and a second connection portion communicating with the air passage interface of the tire 4. The delivery pipe 3 connects the output end of the pump body 2 to the air passage interface of the tire 4, thereby allowing the pump body 2 to inject air into the air passage interface through the delivery pipe 3, thus controlling the air pressure of the tire 4. An air injection channel is formed on the second connection portion, communicating with the air passage interface. The pump body 2 adds air to the tire 4 through the air injection channel and the air passage interface. The control component is used to control the opening and closing state of the second connection. The control component can be one of a solenoid valve, an electric actuator, or a micro motor. For the electric actuator, a piston is installed at the output end of the actuator, which is then installed laterally relative to the air injection channel. The actuator pushes the piston into the air injection channel, closing it; conversely, it pulls the piston outward, opening the channel. For the micro motor, a valve plate is located in the air injection channel at the output end of the micro motor. The micro motor drives the valve plate to rotate, opening or closing the air injection channel. The protective housing 1 is located in the center of the hub of the tire 4; the center of the protective housing 1 forms an opening for the pump body 2's input end to communicate with the external environment.

[0067] This also includes an ECU assembly, which is a processor and is connected to the control unit. The ECU assembly controls the opening and closing of the delivery pipe 3. The ECU assembly is also connected to the air pressure sensor and the temperature sensor to acquire the values ​​monitored by the air pressure sensor and the temperature sensor in real time. A display terminal is connected to the ECU assembly to display the values ​​monitored by the air pressure sensor and the temperature sensor. When the value monitored by the air pressure sensor is low, the pump body 2 inflates the tire 4.

[0068] The system can monitor the air pressure in tires 4 in real time and inject air promptly when the air pressure in tires 4 is insufficient to ensure balanced air pressure in tires 4. This prevents uneven air pressure in multiple tires 4 from causing the vehicle to easily lose control, thus improving driving safety. By mounting the protective shell 1 on the wheel hub of tire 4, the air injection device can adjust the air pressure in tires 4 in a timely manner during vehicle operation, thereby ensuring balanced air pressure in multiple tires 4 during vehicle travel.

[0069] In some designs, a shock-absorbing device 5 is provided between the pump body 2 and the protective housing 1. The shock-absorbing device 5 is used to create a shock-absorbing connection between the pump body 2 and the protective housing 1. In this design, the shock-absorbing device 5 uses a flexible pad. The purpose of the shock-absorbing device 5 between the pump body 2 and the protective housing 1 is to dampen vibration between the pump body 2 and the tire 4 hub. Firstly, it prevents the tire 4's continuous high-speed rotation during vehicle operation from causing slight vibrations to the tire 4 hub. The shock-absorbing device 5 can prevent this vibration from being transmitted to the pump body 2, protecting its safety. Secondly, it isolates the vibration generated by the tire 4 running on uneven surfaces. Since the pump body 2 itself may vibrate during operation, the shock-absorbing device 5 prevents this vibration from being transmitted to the tire 4 hub, thus avoiding uneven mass distribution and dynamic balance issues caused by vibration. This better protects the safe use of the pump body 2 and the normal rotation of the tire 4 hub.

[0070] In some designs, a clamping member 6 is provided in the installation chamber to connect the delivery pipe 3 to the installation chamber. The delivery pipe 3 is a flexible hose. The clamping member 6 applies a clamping force to the delivery pipe 3, causing the delivery pipe 3 to form a delivery channel with a fixed shape. The clamping member 6 includes a pipe shell 61 and a screw 62. A channel is formed in the pipe shell 61, through which the delivery pipe 3 passes. The screw 62 is threadedly connected to the pipe shell 61 and is also threadedly or rotatably connected to the protective outer shell 1. Rotating the screw 62 allows the pipe shell 61 to move, and this movement causes one end of the delivery pipe 3 to bend under force, thus clamping the delivery pipe 3. The clamping principle is to change the delivery pipe 3 from a straight line to a curve between two points, thereby lengthening the delivery pipe 3 between the two points and achieving clamping. Since the delivery pipe 3 is a flexible hose, it can be bent more easily during installation, making it easier and less strenuous to connect the delivery pipe 3 to the air inlet of the tire 4. However, the use of flexible hoses can cause the delivery pipe 3 to sway as the tire 4 rotates. This swaying of the flexible hose will affect the dynamic balance of the tire 4, making it impossible for the tire 4 to run stably. Therefore, the tightening device 6 is used to tighten the delivery pipe 3 to prevent it from swaying and to better avoid dynamic balance problems.

[0071] In some embodiments, the mounting chamber is further equipped with multiple counterweight liquid bags 7 and a mass adjustment component 8 that connects all the counterweight liquid bags 7 to the flexible liquid bag 51. The mass adjustment component 8 is used to add liquid from the flexible liquid bag 51 to one or more of the counterweight liquid bags 7 to ensure uniform mass distribution of the tire 4. The counterweight liquid bags 7 are fixed to the protective shell 1. The mass adjustment component 8 includes multiple branch pipes 84 and multiple liquid extraction components 85. The liquid extraction components 85 are liquid pumps, and are mounted on the branch pipes 84. One end of each branch pipe 84 is connected to the flexible liquid bag 51, and the other end is connected to the counterweight liquid bag 7. The liquid extraction components 85 are used to add liquid from the flexible liquid bag 51 to the counterweight liquid bag 7. The liquid in the flexible liquid bag 51 can be discharged outwards into the counterweight liquid bag 7, thereby achieving the goal of setting dynamic balancing blocks on the hub of the tire 4.

[0072] In some designs, a filter element 9 is provided at the inlet to filter out dust and impurities. This technical solution aims to prevent dust from entering the pump body 2 and affecting its lifespan.

[0073] In some embodiments, the protective housing 1 includes an abutment plate 11, a cover 12, and a flexible pad 13. The abutment plate 11 abuts against the side of the wheel hub of the tire 4, and the cover 12 is formed in the middle of the abutment plate 11. An installation opening is provided on the cover 12, and the flexible pad 13 is used to seal the installation opening and to abut against the wheel hub of the tire 4. This facilitates the installation of components onto the cover 12 through the installation opening, and the flexible pad 13 seals the installation opening, making it easier to install the protective housing 1 onto the wheel hub and also facilitating the carrying of the protective housing 1.

[0074] Example 2

[0075] The difference from Example 1 is as follows:

[0076] The shock-absorbing device 5 includes a flexible liquid bag 51, a first connector 52, and a second connector 53. The flexible liquid bag 51 is filled with a fluid liquid, preferably water. Both the first connector 52 and the second connector 53 are fixed to the flexible liquid bag 51, and the flexible liquid bag 51 is located between the first connector 52 and the second connector 53. The first connector 52 forms a first pressing surface that contacts the flexible liquid bag 51, and the second connector 53 forms a second pressing surface that contacts the flexible liquid bag 51. Both the first and second pressing surfaces cover the flexible liquid bag 51, thus completely flattening the flexible liquid bag 51. The first connector 52 is connected to the protective shell 1, and the second connector 53 is used to install the pump body 2. In this embodiment, both the first connector 52 and the second connector 53 are plates. The shock-absorbing device 5 also includes a locking component. In this application, the locking component is a bolt, which passes sequentially through the second connector 53, the first connector 52, and the protective housing 1. The bolt is threadedly connected to the protective housing 1. By rotating the bolt, the second connector 53 presses the flexible liquid bag 51 tightly against the first connector 52. The method of using the flexible liquid bag 51 for shock absorption reduces the vibration source through liquid, resulting in a better shock absorption effect compared to the design of traditional flexible shock-absorbing pads. Furthermore, since the flexible liquid bag 51 is filled with liquid, and liquid has no specific shape, during the rotation of the wheel hub, the liquid in the flexible liquid bag 51 will cause the flexible liquid bag 51 to bulge outward in some cases due to inertia. After the flexible liquid bag 51 bulges outward, it will cause the uniformity of the mass distribution of the tire 4 to change, which is equivalent to a problem with the dynamic balance of the tire 4. In order to avoid this situation, the flexible liquid bag 51 is pressed down by the first connector 52 and the second connector 53, which can prevent the flexible liquid bag 51 from bulging outward, thereby better preventing the shape of the flexible liquid bag 51 from changing, and thus better preventing the dynamic balance problem of the tire 4.

[0077] Example 3

[0078] The difference from Embodiment 2 is that the locking element is replaced with an elastic element 55. The elastic element 55 is used to compress the first connecting member 52 and the second connecting member 53. In this embodiment, the elastic element 55 is a tension spring, a spring 861, or other elastic components, such as an elastic rope or an elastic block. Preferably, the elastic element 55 in this embodiment is a tension spring. One end of the elastic element 55 is connected to the second connecting member 53, and the other end is connected to the protective shell 1, thereby applying a force close to the first connecting member 52 to the second connecting member 53, thus enabling the elastic element 55 to compress the flexible liquid bag 51 by pressing the first connecting member 52 and the second connecting member 53. The purpose of using the elastic element 55 to provide the force for the first connector 52 and the second connector 53 to press down the flexible liquid bag 51 is that the elastic element 55 can elastically deform or deform in most of the flexible liquid bags 51. If the first connector 52 and the second connector 53 are directly used to tightly press the flexible liquid bag 51 with bolts, then after a long period of use, the flexible liquid bag 51 will undergo elastic deformation or deformation, which will greatly reduce the pressure of the first connector 52 and the second connector 53 pressing the flexible liquid bag 51, or even make it impossible to press the flexible liquid bag 51. Therefore, using the elastic element 55 can improve the service life and better ensure that the flexible liquid bag 51 is pressed down to prevent the flexible liquid bag 51 from bulging and causing dynamic balance problems.

[0079] Example 4

[0080] The difference from Embodiment 3 is that the shock-absorbing device 5 further includes a limiting member 56 for forming a limiting chamber 561. The limiting member 56 is annular. The first connecting member 52, the second connecting member 53, and the flexible liquid bag 51 are all disposed in the limiting chamber 561, and the first connecting member 52, the second connecting member 53, and the flexible liquid bag 51 are all pressed against the inner wall of the limiting chamber 561. Elastic rubber pads are provided on the sides of the first connecting member 52 and the second connecting member 53, and the first connecting member 52 and the second connecting member 53 are pressed against the inner wall of the limiting chamber 561 through the elastic rubber pads. The elastic member 55 is used to compress the flexible liquid bag 51 in the limiting chamber 561 by the first connecting member 52 and the second connecting member 53 to make the mass of the flexible liquid bag 51 uniform. Specifically, in this embodiment, the elastic element 55 is a spring 861. The spring 861 is disposed between the first connecting member 52 and the protective shell 1. The spring 861 applies a force to the first connecting member 52, causing it to move closer to the second connecting member 53, i.e., the first connecting member 52 is subjected to a force moving away from the protective shell 1. A fixing plate is disposed outside the limiting chamber 561. The fixing plate is fixed to the limiting member 56 and is used to contact the second connecting member 53. That is, the first connecting member 52 applies a force away from the protective shell 1 to the second connecting member 53 through the flexible liquid bag 51, while the second connecting member 53 abuts against the fixing plate, thereby achieving the pressing of the first connecting member 52 and the second connecting member 53 against the flexible liquid bag 51. Preferably, in this embodiment, the limiting chamber 561 is a cylindrical chamber. By confining the flexible liquid bag 51 within a limiting chamber 561, it is possible to prevent the flexible liquid bag 51 from bulging in the direction perpendicular to the clamping force of the first connector 52 and the second connector 53. This ensures that the flexible bag only bulges and deforms in the direction of the clamping force of the first connector 52 and the second connector 53. The first connector 52 and the second connector 53 will then press the flexible liquid bag 51 tightly, thereby preventing the flexible liquid bag 51 from bulging and better preventing dynamic balance problems, thus better ensuring the normal use of the tire 4.

[0081] Example 5

[0082] The difference from Embodiment 4 is that the elastic element 55 is a tension spring, and the first connecting member 52 abuts against the protective shell 1. A protrusion 531 is formed on the second connecting member 53, which is inserted into the limiting chamber 561. One end of the tension spring is connected to the second connecting member 53, and the other end is connected to the protective shell 1. The tension spring applies a force close to the protective shell 1 to the second connecting member 53. The protrusion 531 on the second connecting member 53 is fixed to the flexible liquid bag 51. This achieves indirect compression of the flexible liquid bag 51 by the first connecting member 52 and the second connecting member 53. Specifically, the flexible liquid bag 51 is indirectly compressed through the protrusion 531 on the second connecting member 53.

[0083] Example 6

[0084] The difference from Example 1 is as follows:

[0085] The mass adjustment component 8 includes: a control valve 81, a hydraulic pump 82, a main pipeline 83, and branch pipelines 84. The main pipeline 83 is connected to the flexible liquid bag 51. Multiple branch pipelines 84 are provided, each connecting multiple counterweight liquid bags 7 to the main pipeline 83. The control valve 81 is located on each branch pipeline 84, and the hydraulic pump 82 is located on the main pipeline 83. Thus, the control valve 81 controls the opening and closing time of each branch pipeline 84, and the hydraulic pump 82 runs continuously, allowing for the selective addition of different amounts of liquid to different counterweight liquid bags 7. Liquid installation requirements can be distributed to each counterweight liquid bag 7. The design of the counterweight liquid bag 7 better solves the dynamic balance problem. At the same time, when the liquid in the flexible liquid bag 51 is discharged outward, the first connector 52 and the second connector 53 can keep the flexible liquid bag 51 pressed tightly due to the action of the elastic element 55. Therefore, even if the liquid is discharged outward, the flexible liquid bag 51 will not bulge. Thus, the flexible liquid bag 51 will not affect the original dynamic balance of the wheel hub of the tire 4. In the end, it achieves both the beneficial effect of adjusting the dynamic balance of the wheel hub of the tire 4 and the beneficial effect of maintaining a stable shock absorption effect.

[0086] Specifically, a pipe groove 14 and an embedding groove 15 are provided in the installation chamber; the pipe groove 14 is used to accommodate the branch pipe 84 and the main pipe 83; the embedding groove 15 is used to accommodate the counterweight liquid bag 7. After the main pipe 83 and the branch pipe 84 are embedded in the pipe groove 14, a pressure plate is provided above the pipe groove 14 to close the pipe groove 14, thereby fixing the main pipe 83 and the branch pipe 84 together with the pipe groove 14 and preventing the branch pipe 84 and the main pipe 83 from shaking during the rotation of the tire 4.

[0087] Example 7

[0088] The difference from Example 6 is as follows:

[0089] An elastic cover 86 is provided on the embedding groove 15. The elastic cover 86 is used to form an elastic displacement plane that abuts against the counterweight liquid bag 7. The elastic cover 86 includes a cover plate and an elastic rubber pad. The elastic rubber pad is fixed to the cover plate and forms an elastic displacement plane. The cover plate is fixed to the protective shell 1. The elastic rubber pad is located in the embedding groove 15 and abuts against the counterweight liquid bag 7. The embedding groove 15 is preferably cylindrical. When liquid is added to the counterweight liquid bag 7, the counterweight liquid bag 7 expands, which applies an external force to the elastic rubber pad. Conversely, the elastic rubber pad applies pressure to the counterweight liquid bag 7, so that the counterweight liquid bag 7 is compressed like the flexible liquid bag 51, thereby avoiding bulging that would affect the dynamic balance of the wheel hub of the tire 4 and better ensuring the smooth operation of the tire 4.

[0090] Example 8

[0091] The difference from Example 7 is:

[0092] The elastic rubber pad is replaced with a spring 861 and a movable plate 862. One end of the spring 861 is fixed to the cover plate, and the other end is fixed to the movable plate 862. The movable plate 862 abuts against the embedded groove 15. The movable plate 862 forms an elastic plane. By using the spring 861 and the movable plate 862, the movable plate 862 has a larger displacement, which allows more liquid to be added to the counterweight liquid bag 7 and to compress the counterweight liquid bag 7.

[0093] Example 9

[0094] The difference from Example 1 is as follows:

[0095] The counterweight liquid bag 7 is replaced with a liquid extraction tube 87. The mass adjustment component 8 includes multiple piston plates 88 and multiple displacement driving components 89. The liquid extraction tube 87 is fixedly installed in the protective housing 1. The piston plates 88 are slidably connected to the inner wall of the liquid extraction tube 87. The displacement driving component 89 adopts one of an electric push rod, a cylinder, and a hydraulic cylinder, preferably an electric push rod. The mass adjustment component 8 includes a main pipeline 83 and branch pipelines 84. The main pipeline 83 is connected to the flexible liquid bag 51. Multiple branch pipelines 84 are provided, and multiple branch pipelines 84 are used to connect multiple liquid extraction tubes 87 to the main pipeline 83. The protective housing 1 is provided with a pipe groove 14 and a connecting groove 16. The pipe groove 14 is used to accommodate the branch pipelines 84 and the main pipeline 83. The liquid extraction tube 87 forms a liquid extraction port, which is located in the connecting groove 16. The branch pipelines 84 are partially located in the connecting groove 16 and are connected to the liquid extraction port. The piston plate 88 is initially positioned to abut against the inner wall of the liquid collection tube 87 at the liquid collection port. This ensures that when the displacement drive component 89 moves the piston plate 88, the liquid in the liquid collection tube 87 is fully filled, preventing water from sloshing around in the liquid collection tube 87. This better ensures a uniform mass distribution on the tire 4 and avoids dynamic balance problems.

[0096] Example 10

[0097] The difference from Example 1 is as follows:

[0098] The protective housing 1 has a mounting groove at the opening, and the filter element is placed in the mounting groove. An annular block 91 is provided at the opening, and the annular block 91 is threadedly connected to the mounting groove, thereby pressing the filter element to fix it and realizing the detachable connection of the filter element.

[0099] Specifically, the filter element includes a rigid part 93 and an elastic filter part 92. The rigid part 93 is an annular plate, which is positioned in a mounting groove and pressed into the groove by an annular block 91, thus fixing the filter element to the protective housing 1. The elastic filter part 92 is a circular plate made of elastic rubber, with multiple filter holes. The elastic filter part 92 is fixed to the rigid part 93. When the pump body 2 injects external air into the tire 4 through the inlet and delivery pipe 3, the elastic filter part 92 protrudes and deforms in the direction away from the annular block 91. When the pump body 2 stops injecting air into the tire 4, the elastic filter part 92 returns to its original shape. As the elastic filter part 92 returns to its original shape, it ejects dust from the elastic filter part 92, achieving self-cleaning of dust.

[0100] The size of the opening is similar to that of the elastic filter section 92, so that the elastic filter section 92 can protrude and deform in the direction away from the annular block 91 without interference.

[0101] In some embodiments, the method for determining if tire 4 has a dynamic imbalance problem is based on the vibration felt while driving. If the driver feels significant steering wheel vibration while driving at high speed, liquid from the flexible liquid bag 51 is added to the counterweight liquid bag 7. However, this method cannot directly pinpoint the location of the dynamic imbalance problem. Therefore, in practical applications, multiple counterweight liquid bags 7 need to be added to sequentially for testing until the steering wheel vibration is reduced or disappears. In other embodiments, a high-speed camera can be installed on the vehicle to monitor the operation of tire 4. The high-speed camera can detect abnormalities in the rotation of tire 4, thereby identifying any dynamic imbalance problems in tire 4.

[0102] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A real-time tire pressure monitoring electric tire valve assembly, characterized in that, include: A tire pressure monitoring device is used to monitor the tire pressure. An air injection device is used to inject air into the tire when the air pressure in the tire is lower than a preset value; The gas injection device includes: A protective housing is installed on the tire hub and serves to form a mounting chamber; The pump body is disposed in the mounting chamber; The delivery pipe is used to form a first connection portion that connects to the output end of the pump body and a second connection portion that communicates with the air passage interface of the tire. Control component, used to control the opening and closing state of the second connecting part; The protective housing is disposed in the middle of the tire hub; the middle of the protective housing forms an opening for the pump body component's input end to communicate with the external environment; a shock-absorbing device is disposed between the pump body component and the protective housing. The shock-absorbing device is used to create a shock-absorbing connection between the pump body and the protective housing; The shock absorption device includes: a flexible liquid bag, a first connector, a second connector, and an elastic element; The flexible liquid bag is filled with a fluid liquid; Both the first connector and the second connector are fixed to the flexible liquid bag, and the flexible liquid bag is located between the first connector and the second connector; The elastic element is used to cause the first connecting member and the second connecting member to compress the elastic element; The first connector forms a first pressure surface that contacts the flexible liquid bag, and the second connector forms a second pressure surface that contacts the flexible liquid bag, both the first pressure surface and the second pressure surface covering the flexible liquid bag; The first connector is connected to the protective housing, and the second connector is used to install the pump body component; The shock absorption device further includes: a limiting member for forming a limiting chamber; both the first connecting member and the flexible liquid bag are disposed in the limiting chamber; The flexible liquid bag abuts against the inner wall of the limiting chamber; the elastic member is used to cause the first connector and the second connector to squeeze the flexible liquid bag in the limiting chamber so that the mass of the flexible liquid bag is uniform.

2. The real-time tire pressure monitoring electric tire valve assembly according to claim 1, characterized in that: The mounting chamber is equipped with a fastening element for connecting the delivery pipe to the mounting chamber; the delivery pipe is a flexible hose. The tightening member applies a tightening force to the delivery tube, so that the delivery tube forms a delivery cavity with a fixed shape.

3. The real-time tire pressure monitoring electric tire valve assembly according to claim 2, characterized in that: The installation chamber is also equipped with multiple counterweight liquid bags and a mass adjustment component that connects the multiple counterweight liquid bags to the flexible liquid bag. The mass adjustment component is used to add liquid from the flexible liquid bag to one or more of the counterweight liquid bags to make the tire mass distribution uniform.

4. The real-time tire pressure monitoring electric tire valve assembly according to claim 3, characterized in that: The mass regulating component includes: a control valve, a hydraulic pump, a main pipeline, and branch pipelines; The main pipeline is connected to the flexible liquid bag, and multiple branch pipelines are provided, which are used to connect multiple counterweight liquid bags to the main pipeline; The control valve is located on the branch pipeline; the hydraulic pump is located on the main pipeline.

5. The real-time tire pressure monitoring electric tire valve assembly according to claim 4, characterized in that: The installation chamber is provided with a pipe groove and an embedding groove; the pipe groove is used to accommodate the branch pipes and the main pipe; the embedding groove is used to accommodate the counterweight liquid bag; An elastic cover is provided on the embedding groove, and the elastic cover is used to form an elastic displacement plane that abuts against the counterweight liquid bag.

6. The real-time tire pressure monitoring electric tire valve assembly according to claim 1, characterized in that: The inlet is equipped with a filter element for filtering out dust and impurities.

7. The real-time tire pressure monitoring electric tire valve assembly according to claim 1, characterized in that: The protective outer shell includes an abutment plate, a cover, and a flexible pad; The abutment plate is used to abut against the side of the tire's rim, and the cover is formed in the middle of the abutment plate; the cover has an installation opening, and the flexible pad is used to seal the installation opening and to abut against the tire's rim.

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