CN114953859A - Tire pressure detection device, heavy vehicle overload detection system and heavy vehicle overload detection method - Google Patents
Tire pressure detection device, heavy vehicle overload detection system and heavy vehicle overload detection method Download PDFInfo
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- CN114953859A CN114953859A CN202210413644.8A CN202210413644A CN114953859A CN 114953859 A CN114953859 A CN 114953859A CN 202210413644 A CN202210413644 A CN 202210413644A CN 114953859 A CN114953859 A CN 114953859A
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- tire
- component
- pressure detecting
- detecting device
- heavy vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/001—Devices for manually or automatically controlling or distributing tyre pressure whilst the vehicle is moving
- B60C23/003—Devices for manually or automatically controlling or distributing tyre pressure whilst the vehicle is moving comprising rotational joints between vehicle-mounted pressure sources and the tyres
- B60C23/00309—Devices for manually or automatically controlling or distributing tyre pressure whilst the vehicle is moving comprising rotational joints between vehicle-mounted pressure sources and the tyres characterised by the location of the components, e.g. valves, sealings, conduits or sensors
- B60C23/00318—Devices for manually or automatically controlling or distributing tyre pressure whilst the vehicle is moving comprising rotational joints between vehicle-mounted pressure sources and the tyres characterised by the location of the components, e.g. valves, sealings, conduits or sensors on the wheels or the hubs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/001—Devices for manually or automatically controlling or distributing tyre pressure whilst the vehicle is moving
- B60C23/003—Devices for manually or automatically controlling or distributing tyre pressure whilst the vehicle is moving comprising rotational joints between vehicle-mounted pressure sources and the tyres
- B60C23/00354—Details of valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0486—Signalling devices actuated by tyre pressure mounted on the wheel or tyre comprising additional sensors in the wheel or tyre mounted monitoring device, e.g. movement sensors, microphones or earth magnetic field sensors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C29/00—Arrangements of tyre-inflating valves to tyres or rims; Accessories for tyre-inflating valves, not otherwise provided for
- B60C29/06—Accessories for tyre-inflating valves, e.g. housings, guards, covers for valve caps, locks, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention relates to the field of vehicle transportation safety, in particular to a tire pressure detection device, a heavy vehicle overload detection system and a heavy vehicle overload detection method, wherein the tire pressure detection device comprises: a housing, one end of the housing being disposed inside a tire, the other end of the housing extending in a direction away from an outer surface of the tire; the limiting component is arranged inside the shell and comprises a first through hole, and the first through hole is arranged on the limiting component in a penetrating manner; the first end of the movable part is at least partially arranged in the first through hole, and can move in a single degree of freedom in the first through hole under the driving of external force; and the pressure detection component is arranged on the second end of the movable component, and the space where the pressure detection component is arranged is communicated with the inner space of the tire. The invention can solve the overload problem from the source and avoid the damage of the road surface.
Description
Technical Field
The invention relates to the field of vehicle transportation safety, in particular to a tire pressure detection device, a heavy vehicle overload detection system and a heavy vehicle overload detection method
Background
The damage and loss caused by the overload transportation of the freight vehicle are surprised, and the relevant departments continuously emphasize and strictly manage, but the damage and loss are not cured, the overload condition is not radically improved at present, and some places are developed more and more, so that the damage and loss become great hidden troubles for road transportation. According to the research of relevant departments, taking various heavy vehicles with the load of 2.5 tons as an example, the overload and overrun proportion reaches 30 percent to 85 percent. The maximum loading rate of the overloaded vehicle is over 300 percent and can reach 760 percent at most, namely, the actual carrying capacity of 1 truck with the rated load of 2 tons reaches 15 tons. According to the investigation of relevant departments in some important overload areas, the transport vehicles are almost overloaded by 100 percent, the overload degree is generally more than one time, and some overload degrees reach 5 to 6 times. In addition, the heavy vehicle overload easily causes various potential safety hazards, and because the braking capacity of the heavy vehicle is obviously reduced in the full-load running process of the heavy vehicle, traffic accidents are easy to happen due to the overload on the basis, and huge potential safety hazards are brought to nearby pedestrians and vehicles. Moreover, too many overloaded vehicles can crush the road surface, thereby improving the maintenance cost of the road surface.
In the prior art, the detection method for determining whether the freight car is overloaded generally is to weigh the freight car by passing through the wagon balance, and the wagon balance can be detected only by reaching a specified place, so that the real-time performance is poor and the efficiency is low. And weighing with a wagon balance does not solve the overload problem at the source because the overloaded vehicle has already gone on the road, damage to the road surface and threat to nearby vehicles and pedestrians.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, the present application aims to provide a tire pressure detecting device, a heavy vehicle overload detecting system and a method thereof, which aim to solve the problems in the prior art.
A first aspect of the present invention provides a tire pressure detecting device including: a housing, one end of the housing being disposed inside a tire, the other end of the housing extending in a direction away from an outer surface of the tire; the limiting component is arranged inside the shell and comprises a first through hole, and the first through hole is arranged on the limiting component in a penetrating manner; the first end of the movable part is at least partially arranged in the first through hole, and can move in a single degree of freedom in the first through hole under the driving of external force; and the pressure detection component is arranged on the second end of the movable component, and the space where the pressure detection component is located is communicated with the inner space of the tire. The tire pressure detection device provided by the invention can be directly arranged on a hub of a tire, has the functions of an inflating valve and a press detection, has the advantages of high integration level, can detect the pressure in the tire in real time, improves the detection precision and the detection efficiency, can complete the detection of the tire pressure before a heavy vehicle gets on the road, further provides a powerful support for judging whether the heavy vehicle is overloaded or not, and avoids the problem of vehicle overload from the source.
Optionally, the housing comprises: a first thread disposed on a surface external to the housing; a second thread disposed on a surface of the housing interior; a projection disposed on a surface of the housing interior. The first thread is arranged on the shell, so that the first thread is matched with the protection component conveniently, and the effect of protecting the tire pressure detection device provided by the invention can be achieved.
Optionally, the limiting member comprises: a third thread disposed on an exterior surface of the stop member, the third thread mating with the second thread; a recess on the surface of the exterior of the stop component, the recess fitting the protrusion. Through utilizing the third screw thread with second screw thread adaptation makes stop block be fixed in on the casing, its advantage lies in simple structure, easily realizes.
Optionally, the movable part comprises: at least one cross-section of the first end is circular in shape and at least one cross-section of the second end is circular in shape; the area of at least one cross-section of the first end is smaller than the area of at least one cross-section of the second end. The movable part is designed to be cylindrical, so that the single-degree-of-freedom movement can be performed in the direction close to the tire in the shell after the external inflating device is connected, and the single-degree-of-freedom movement can be performed in the direction far away from the tire in the shell after the external inflating device is pulled out.
Optionally, the cross-sectional area of the first end decreases in a direction away from the second end. According to the invention, the design can ensure that the air channel inside the movable component is opened when an external inflation device is connected in, so that air can be smoothly introduced to inflate the inside of the tire, and the design can also ensure that the air channel inside the movable component is closed when the external inflation device is pulled out, so that air leakage inside the tire is prevented, and the design is simple and ingenious.
Optionally, the tire air pressure detecting device further includes: the elastic component is sleeved on the first end of the movable component, and the elastic component is connected with the second end of the movable component. The elastic component is not connected with an external inflating device, so that the movable component is arranged in the direction away from the tire, the protruding part of the shell is just positioned in the concave part of the limiting component, and the air channel is further ensured to be closed.
Optionally, the tire air pressure detecting device further includes: the protection component is provided with a fourth thread, the fourth thread is matched with the first thread, and the protection component is covered on the shell. The protection component has a simple structure, can be stably covered on the shell only by matching the first thread and the fourth thread, and is easy to realize.
Optionally, the tire air pressure detecting device further includes: the fixing component is connected with the shell and arranged inside the tire, and the area of at least one cross section of the fixing component is larger than that of at least one cross section of the shell. During assembly, the tire pressure detection device only needs to penetrate through the through hole of the tire hub, and the fixing part is arranged in the position mutually attached to the hub for fixing, so that the tire pressure detection device is prevented from falling off from the tire.
A second aspect of the present invention proposes a tire pressure-based heavy vehicle overload detection system, comprising: a plurality of tire pressure detecting devices, each of which is mounted on each tire of the heavy vehicle, as described in the first aspect of the invention; a data processing device that acquires pressure data regarding each tire transmitted by the tire pressure detecting device, respectively; and the alarm device receives an alarm instruction, and the alarm instruction is sent out by the data processing device when at least one piece of pressure data is larger than the pressure threshold value. The heavy vehicle overload detection system based on the tire pressure can realize real-time detection of the internal pressure of each tire of the heavy vehicle, can judge the real-time overload condition of the heavy vehicle by comparing the pressure data in each tire with the pressure threshold value, and can realize alarm by using the alarm device when overload occurs, thereby avoiding the overload problem from the source.
A third aspect of the present invention provides a heavy vehicle overload detection method based on tire pressure, comprising the steps of: providing a plurality of tire pressure detecting devices, the tire pressure detecting devices being, as in the first aspect of the invention, each mounted on each tire of the heavy vehicle, respectively; providing a data processing device which respectively acquires pressure data about each tire sent by the tire pressure detecting device; and providing an alarm device, wherein the alarm device receives an alarm instruction, and the alarm instruction is sent out by the data processing device when at least one piece of pressure data is larger than the pressure threshold value. The heavy vehicle overload detection method based on the tire pressure can realize real-time detection of the internal pressure of each tire of the heavy vehicle, can judge the real-time overload condition of the heavy vehicle by comparing the pressure data in each tire with the pressure threshold value, and can realize alarm by using the alarm device when overload occurs, thereby avoiding the overload problem from the source.
Drawings
FIG. 1 is a schematic view of an embodiment of a tire pressure detecting device according to the present invention mounted on a tire;
fig. 2 is an overall schematic view of an embodiment of the tire pressure detecting device of the present invention;
fig. 3 is a sectional view of an embodiment of the tire pressure detecting device of the present invention;
FIG. 4 is a schematic view of an embodiment of the housing of the present invention;
FIG. 5 is a schematic view of an embodiment of a spacing member of the present invention;
FIG. 6 is a block diagram of an embodiment of a tire pressure based heavy vehicle overload detection system of the present invention;
fig. 7 is a flowchart of an embodiment of a heavy vehicle overload detection method based on tire pressure according to the present invention.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
Specific embodiments of the present invention will be described in detail below, and it should be noted that the embodiments described herein are only for illustration and are not intended to limit the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known circuits, software, or methods have not been described in detail so as not to obscure the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the invention. Thus, the appearances of the phrases "in one embodiment," "in an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale.
The problems of the existing scheme are as follows: in the prior art, a detection method for determining whether a freight car is overloaded generally includes weighing the freight car by passing through a wagon balance, and the wagon balance can be detected only by reaching a specified place, so that the real-time performance is poor, and the efficiency is low. And weighing with a wagon balance does not solve the overload problem at the source because the overloaded vehicle has already gone on the road, damage to the road surface and threat to nearby vehicles and pedestrians.
Based on this, the present application intends to provide a solution to the above technical problem, the details of which will be explained in the following embodiments.
Referring to fig. 1 to 5, a first aspect of the present invention provides an embodiment of a tire pressure detecting device 1, where the tire pressure detecting device 1 is disposed on a hub 2 of a tire of a re-vehicle, the tire pressure detecting device 1 includes, but is not limited to, a housing 12, one end of the housing 12 is disposed inside the tire, and the other end of the housing 12 extends in a direction away from an outer surface of the tire; wherein, the material of the housing 12 may include but is not limited to copper, iron and other metals or metal alloys, the housing 12 has a cylindrical shape as a whole, and has a hollow interior for accommodating other components, and in one embodiment, at least one cross section of the housing 12 has a circular ring shape. The tire pressure detecting device 1 further comprises a limiting component 13, the limiting component 13 is arranged inside the shell 12, the material of the limiting component 13 may include, but is not limited to, copper, iron and other metals or metal alloys, the limiting component 13 includes a first through hole, the first through hole is arranged on the limiting component 13 in a penetrating manner to form an air channel, and the area component of the cross section of the limiting component 13 in the direction close to the tire is reduced. The tire pressure detecting device 1 further comprises a movable part 15, wherein a first end of the movable part 15 is at least partially arranged in the first through hole, and the first end of the movable part 15 can move in a single degree of freedom in the first through hole under the driving of external force; the tire pressure detecting device 1 further includes a pressure detecting component 16, the pressure detecting component 16 is disposed at the second end of the movable component 15, and a space of the pressure detecting component 16 is communicated with the inner space of the tire, in an embodiment, the pressure detecting component 16 includes, but is not limited to, a sensor or a sensor array having pressure detection, and the pressure sensor may specifically refer to the prior art, and will not be described herein again. The tire pressure detection device 1 provided by the invention can be directly arranged on a hub 2 of a tire, has the functions of an inflating valve and a pressing machine, has the advantages of high integration level, capability of detecting the pressure in the tire in real time, high detection precision and detection efficiency, capability of completing the detection of the tire pressure before a heavy vehicle gets on the road, and further provides a powerful support for judging whether the heavy vehicle is overloaded or not, and the problem of vehicle overload is avoided from the source.
In an alternative embodiment, the housing 12 includes a first thread disposed on a surface external to the housing 12; a second thread provided on a surface inside the housing 12; the surface of the inside of the case 12 is disposed opposite the surface of the outside of the case 12; in an alternative embodiment, the hollow portion inside the housing 12 may be designed in a regular cylinder type, and in another embodiment, the hollow portion inside the housing 12 may also be designed in an irregular non-regular manner. The housing 12 further includes a protrusion disposed on the surface of the housing 12, which may be a rectangular protrusion in one embodiment, or may be a protrusion with other shapes in another embodiment, such as a spherical protrusion, a prismatic protrusion, etc., which are not listed herein. The effect of protecting the tire pressure detecting device 1 proposed in the present embodiment can be achieved by providing the first thread on the housing 12 so as to be engaged with the protective member 11.
In an alternative embodiment, the position-limiting part 13 comprises a third thread, the third thread is arranged on the surface of the outer part of the position-limiting part 13, the third thread is matched with the second thread, and the position-limiting part 13 is fixed on the shell 12 by utilizing the matching of the third thread and the second thread, so that the structure is simple and the realization is easy. In another embodiment or some embodiments, in order to fix the limiting part 13 to the housing 12, a shallow groove may be provided on the housing 12, a protrusion adapted to the shallow groove is provided on the limiting part 13, and the protrusion is inserted into the shallow groove during assembly to achieve the fixing effect. The limiting part 13 further comprises a concave part which is arranged on the surface of the outer part of the limiting part 13 and is matched with the convex part; further, the depression may be a rectangular parallelepiped depression, and in another embodiment, the depression may be other shapes of depressions, such as spherical depressions, prismatic depressions, etc., which are not listed herein by way of example only.
In an alternative embodiment, the area of at least one cross section of the movable part 15 including the first end is smaller than that of at least one cross section of the second end, and the installation of the pressure detection part 16 can be facilitated by enlarging the cross section of the second end, so that the contact area of the pressure detection part 16 is increased, and the stability of the device is improved. Moreover, the movable component 15 is designed to be cylindrical, so that the single-degree-of-freedom movement can be performed in the direction close to the tire in the shell 12 after the external inflation device is connected, and the single-degree-of-freedom movement can be performed in the direction away from the tire in the shell 12 after the external inflation device is pulled out, so that the opening and closing functions can be realized.
In an alternative embodiment, the cross-sectional area of the first end of the movable part 15 decreases in a direction away from the second end; the first end of the invention is in a cone shape as a whole, the second end is in a cylinder shape as a whole, the first end penetrates through the limiting part 13 to enable the limiting part 13 to be partially positioned in the limiting part, and the second end is in contact with the limiting part 13 to further ensure that the movement of the limiting part in the shell 12 is limited. The invention can ensure that the air channel inside the movable part 15 is opened when the external inflation equipment is accessed, the smooth air inlet is realized, and the air in the tire is further inflated, and the design can also ensure that the air channel inside the movable part 15 is closed when the external inflation equipment is pulled out, so as to prevent the air in the tire from leaking, and the design is simple and ingenious.
In an alternative embodiment, the tire air pressure detecting device 1 further includes: the elastic member 14 is sleeved on the first end of the movable member 15, and the elastic member 14 is connected to the second end of the movable member 15. in one embodiment, the elastic member 14 includes but is not limited to a spring, and further, the spring may be a tension spring, which is advantageous in terms of low cost. The elastic member 14 in this embodiment is not engaged in the external inflation device to place the movable member 15 in a direction away from the tire, so that the protruding portion of the housing 12 is just in the recessed portion of the stopper member 13, further ensuring the air passage to be closed.
In an alternative embodiment, the tire air pressure detecting device 1 further includes: and the protection component 11 is provided with a fourth thread on the protection component 11, the fourth thread is matched with the first thread, and the protection component 11 is covered on the shell 12. In one embodiment, the protection component 11 includes a metal cap with a fourth thread inside, the material of the metal cap may be the same as or different from that of the housing 12, and the material of the metal cap may include, but is not limited to, copper, iron, and other metals or metal alloys. The protection member 11 according to the present embodiment has a simple structure, and the stable covering of the protection member 11 on the housing 12 can be achieved only by the engagement of the first screw and the fourth screw, which is easy to implement.
In an alternative embodiment, the tire air pressure detecting device 1 further includes: the fixing component 17 is connected with the shell 12, the fixing component 17 is arranged inside the tire, and the area of at least one cross section of the fixing component 17 is larger than that of at least one cross section of the shell 12. Furthermore, the overall design of the fixing part 17 may be a cone, the material of the fixing part 17 may be metal or nonmetal, and the area of the cross section of the fixing part 17 is larger than the area of the cross section of the inflation port of the tire hub 2. During assembly, the tire pressure detecting device 1 only needs to penetrate through the through hole of the tire hub 2, and the fixing part 17 is arranged at the position mutually attached to the hub 2 for fixing, so that the tire pressure detecting device 1 is prevented from falling off from the tire.
Referring to fig. 6, the present invention proposes an embodiment of a tire-pressure-based heavy-vehicle overload detection system, which includes: the tire pressure monitoring system comprises a plurality of tire pressure detecting devices, a data processing device and an alarm device, wherein the data processing device is respectively in communication connection with the tire pressure detecting devices and the alarm device. Each tire pressure detecting device is respectively installed on each tire of the heavy vehicle; the data processing device respectively acquires pressure data which is sent by the tire pressure detection device and is about each tire; and the alarm device receives an alarm instruction, and the alarm instruction is sent out by the data processing device when at least one piece of pressure data is larger than the pressure threshold value. The heavy vehicle overload detection system based on the tire pressure can realize real-time detection of the internal pressure of each tire of the heavy vehicle, can judge the real-time overload condition of the heavy vehicle by comparing the pressure data in each tire with the pressure threshold value, and can realize alarm by using the alarm device when overload occurs, thereby avoiding the overload problem from the source.
In an alternative embodiment, the tire pressure detecting device includes, but is not limited to, a housing, one end of which is disposed inside the tire and the other end of which extends in a direction away from the outer surface of the tire; the shell may be made of copper, iron, other metals or metal alloys, and has a cylindrical shape, a hollow interior for accommodating other components, and in one embodiment, the shell has a circular ring shape in at least one cross section. The tire pressure detection device further comprises a limiting component, the limiting component is arranged inside the shell, the material of the limiting component can include, but is not limited to, copper, iron and other metals or metal alloys, the limiting component comprises a first through hole, the first through hole is formed in the limiting component in a penetrating mode to form an air channel, and the area component of the cross section of the limiting component in the direction close to the tire is reduced. The tire pressure detecting device further comprises a movable part, wherein the first end of the movable part is at least partially arranged in the first through hole, and the first end of the movable part can move in a single degree of freedom in the first through hole under the driving of external force; the tire pressure detecting device further comprises a pressure detecting component, wherein the pressure detecting component is arranged at the second end of the movable component, and the space where the pressure detecting component is located is communicated with the inner space of the tire. The tire pressure detection device provided by the invention can be directly arranged on a hub of a tire, has the functions of an inflating valve and a press, has the advantages of high integration level, can detect the internal pressure of the tire in real time, improves the detection precision and the detection efficiency, can complete the detection of the tire pressure before a heavy vehicle is on the road, further provides a powerful support for judging whether the heavy vehicle is overloaded or not, and avoids the problem of vehicle overload from the source. Other constituent components and functions of the tire pressure detecting device may be referred to in the related embodiments of the tire pressure detecting device of the present invention, and will not be described herein again for brevity.
In an alternative embodiment, the data processing apparatus comprises an input device, a processor, a memory and an output device, the processor, the input device, the output device and the memory being interconnected by a communication bus, the memory being for storing a computer program comprising program instructions, the processor being configured for invoking the program instructions.
In an alternative embodiment, the memory may comprise both read-only memory and random-access memory, and provide instructions and data to the processor. The portion of memory may also include non-volatile random access memory. The memory may also store information regarding the type of device, for example. The memory may include, among other things, various computer-readable storage media that may include cache, high-speed random access memory, such as common double data rate synchronous dynamic random access memory, and may also include non-volatile memory, such as one or more read-only memories, magnetic disk storage devices, flash memory devices, or other non-volatile solid-state memory devices, such as optical disks, floppy disks, or data tapes.
In an alternative embodiment, the processor is operative to run or execute an operating system, various software programs, and its own instruction sets stored in internal memory, and to process data and instructions received from the touch input device or from other external input pathways to perform various functions. The processor may include, but is not limited to, one or more of a central processing unit, a general purpose image processor, a microprocessor, a digital signal processor, a field programmable gate array, an application specific integrated circuit. In some embodiments, the processor and the memory controller may be implemented on a single chip. In some other embodiments, they may be implemented separately on separate chips from each other.
In an alternative embodiment, the input device may include, but is not limited to, a touch input device such as a numeric keypad or mechanical keyboard; the output device may include a display or the like.
Referring to fig. 7, the present invention provides a heavy vehicle overload detection method based on tire pressure, including the following steps:
s1, providing a plurality of tire pressure detecting devices, each of which is mounted on each tire of the heavy vehicle, respectively, as described in the first aspect of the present invention.
In an alternative embodiment, the tire pressure detecting device includes, but is not limited to, a housing, one end of which is disposed inside the tire and the other end of which extends in a direction away from the outer surface of the tire; the shell may be made of copper, iron, other metals or metal alloys, and has a cylindrical shape, a hollow interior for accommodating other components, and in one embodiment, the shell has a circular ring shape in at least one cross section. The tire pressure detection device further comprises a limiting component, the limiting component is arranged inside the shell, the material of the limiting component can include, but is not limited to, copper, iron and other metals or metal alloys, the limiting component comprises a first through hole, the first through hole is formed in the limiting component in a penetrating mode to form an air channel, and the area component of the cross section of the limiting component in the direction close to the tire is reduced. The tire pressure detecting device further comprises a movable part, wherein the first end of the movable part is at least partially arranged in the first through hole, and the first end of the movable part can move in a single degree of freedom in the first through hole under the driving of external force; the tire pressure detecting device further comprises a pressure detecting component, wherein the pressure detecting component is arranged at the second end of the movable component, and the space where the pressure detecting component is located is communicated with the inner space of the tire. The tire pressure detection device provided by the invention can be directly arranged on a hub of a tire, has the functions of an inflating valve and a press detection, has the advantages of high integration level, can detect the pressure in the tire in real time, improves the detection precision and the detection efficiency, can complete the detection of the tire pressure before a heavy vehicle gets on the road, further provides a powerful support for judging whether the heavy vehicle is overloaded or not, and avoids the problem of vehicle overload from the source. Other constituent components and functions of the tire pressure detecting device may be referred to in the related embodiments of the tire pressure detecting device of the present invention, and will not be described herein again for brevity.
S2, a data processing device is provided which acquires the pressure data sent by the tire pressure detecting device for each tire, respectively.
In an alternative embodiment, the pressure data and the temperature data in the tire may be collected, a pressure change value caused by temperature is calculated, and then the pressure value represented by the pressure data is subtracted from the pressure change value caused by temperature to obtain the tire load pressure, which specifically includes: Δ P ═ P x a (T-T)/(T +273) where T is the temperature data inside the tire, P is the standard pressure value of the tire, T is the normal temperature of 25 ℃, a is the expansion factor of the tire, and the tire load pressure value P is e Comprises the following steps: p e ＝P m -. DELTA.P, wherein P m Is the pressure value represented by the pressure data.
And S3, providing an alarm device, wherein the alarm device receives an alarm instruction, and the alarm instruction is sent out by the data processing device when at least one piece of pressure data is larger than the pressure threshold value.
In an optional embodiment, the alarm apparatus includes a mobile or fixed terminal device in communication connection with the data processing apparatus, and in this embodiment, the mobile or fixed terminal device may include a mobile phone; in another embodiment, the mobile or fixed terminal device may comprise a tablet computer; in one or more other embodiments, the mobile or fixed terminal device may further include an intelligent terminal or the like connected to the traffic police system, which is not listed here.
The heavy vehicle overload detection method based on the tire pressure can realize real-time detection of the internal pressure of each tire of the heavy vehicle, can judge the real-time overload condition of the heavy vehicle by comparing the pressure data in each tire with the pressure threshold value, and can realize alarm by using the alarm device when overload occurs, thereby avoiding the overload problem from the source.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (10)
1. A tire pressure detecting device, characterized by comprising:
a housing, one end of the housing being disposed inside a tire, the other end of the housing extending in a direction away from an outer surface of the tire;
the limiting component is arranged inside the shell and comprises a first through hole, and the first through hole is arranged on the limiting component in a penetrating manner;
the first end of the movable part is at least partially arranged in the first through hole, and can move in a single degree of freedom in the first through hole under the driving of external force;
and the pressure detection component is arranged on the second end of the movable component, and the space where the pressure detection component is located is communicated with the inner space of the tire.
2. The tire pressure detecting device according to claim 1, wherein the housing includes:
a first thread disposed on a surface of the housing exterior; a second thread disposed on a surface of the housing interior;
a projection disposed on a surface of the housing interior.
3. The tire pressure detecting device according to claim 2, wherein the stopper member includes:
a third thread disposed on an exterior surface of the stop member, the third thread mating with the second thread;
a recess on a surface of the exterior of the stop component, the recess adapted to the protrusion.
4. The tire pressure detecting device according to any one of claims 1 to 3, wherein the movable member includes:
at least one cross-section of the first end is circular in shape and at least one cross-section of the second end is circular in shape;
the area of at least one cross-section of the first end is smaller than the area of at least one cross-section of the second end.
5. The tire pressure detecting device according to any one of claims 1 to 3, wherein: the cross-sectional area of the first end decreases in a direction away from the second end.
6. The tire air pressure detecting device according to claim 4, wherein the tire air pressure detecting device further includes:
the elastic component is sleeved on the first end of the movable component, and the elastic component is connected with the second end of the movable component.
7. The tire air pressure detecting device according to claim 2, wherein the tire air pressure detecting device further includes:
the protection component is provided with a fourth thread, the fourth thread is matched with the first thread, and the protection component is covered on the shell.
8. The tire air pressure detecting device according to claim 1, further comprising:
the fixing component is connected with the shell and arranged inside the tire, and the area of at least one cross section of the fixing component is larger than that of at least one cross section of the shell.
9. A heavy vehicle overload detection system based on tire pressure, comprising:
a plurality of tire pressure detecting devices according to any one of claims 1 to 8, each of the tire pressure detecting devices being mounted on each tire of the heavy vehicle, respectively;
a data processing device that acquires pressure data regarding each tire transmitted by the tire pressure detecting device, respectively; and
and the alarm device receives an alarm instruction, and the alarm instruction is sent out by the data processing device when at least one piece of pressure data is larger than the pressure threshold value.
10. A heavy vehicle overload detection method based on tire pressure is characterized by comprising the following steps:
providing a plurality of tire pressure detecting devices, each of which is mounted on each tire of the heavy vehicle, respectively, as recited in any one of claims 1 to 8;
providing a data processing device which respectively acquires pressure data about each tire sent by the tire pressure detecting device; and
and providing an alarm device, wherein the alarm device receives an alarm instruction, and the alarm instruction is sent out by the data processing device when at least one piece of pressure data is larger than the pressure threshold value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210413644.8A CN114953859A (en) | 2022-04-15 | 2022-04-15 | Tire pressure detection device, heavy vehicle overload detection system and heavy vehicle overload detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210413644.8A CN114953859A (en) | 2022-04-15 | 2022-04-15 | Tire pressure detection device, heavy vehicle overload detection system and heavy vehicle overload detection method |
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| CN114953859A true CN114953859A (en) | 2022-08-30 |
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| CN202210413644.8A Pending CN114953859A (en) | 2022-04-15 | 2022-04-15 | Tire pressure detection device, heavy vehicle overload detection system and heavy vehicle overload detection method |
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| US6799455B1 (en) * | 2001-08-09 | 2004-10-05 | Edward F. Neefeldt | Vehicle tire air monitor |
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| CN107953730A (en) * | 2017-12-19 | 2018-04-24 | 铁将军汽车电子股份有限公司 | External tire pressure sensing device and vehicle |
| CN110978911A (en) * | 2019-12-20 | 2020-04-10 | 福建农林大学 | Automobile tire pressure monitoring device and monitoring system applying same |
| US11090987B1 (en) * | 2019-02-07 | 2021-08-17 | Travis Hampton | Tire pressure monitor cap |
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|---|---|---|---|---|
| US6799455B1 (en) * | 2001-08-09 | 2004-10-05 | Edward F. Neefeldt | Vehicle tire air monitor |
| CN201506219U (en) * | 2009-08-31 | 2010-06-16 | 比亚迪股份有限公司 | Air nozzle and a tire pressure monitoring system containing same |
| CN107953730A (en) * | 2017-12-19 | 2018-04-24 | 铁将军汽车电子股份有限公司 | External tire pressure sensing device and vehicle |
| US11090987B1 (en) * | 2019-02-07 | 2021-08-17 | Travis Hampton | Tire pressure monitor cap |
| CN110978911A (en) * | 2019-12-20 | 2020-04-10 | 福建农林大学 | Automobile tire pressure monitoring device and monitoring system applying same |
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