CN215398626U

CN215398626U - Vehicle overload detection system

Info

Publication number: CN215398626U
Application number: CN202121803413.5U
Authority: CN
Inventors: 唐凌霄; 杜叶
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-01-04
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses a vehicle overload detection system in the technical field of vehicle overload detection, which comprises a vehicle frame, a front bracket, a rear bracket and a pair of detection modules, wherein the front bracket and the rear bracket are respectively arranged at the front end and the rear end of the vehicle frame, the two ends of the front bracket and the rear bracket are connected through a steel plate spring, an axle is arranged on the steel plate spring, a supporting plate is fixed at the bottom of the axle, the pair of detection modules are vertically arranged on the two sides of the upper surface of the supporting plate and the two sides of the bottom of the steel plate spring symmetrically and symmetrically about the axle, when the vehicle gets in stock, leaf spring compression deformation, ejector pin drive briquetting extrusion pressure induction system makes ATmega328p chip drive hydraulic control unit under the circular telegram circumstances, and hydraulic control unit control brake master cylinder makes the work of brake wheel cylinder, and the vehicle is braked, can't travel, has improved the security, and this system need not manual operation simultaneously, and degree of automation is high, has the practicality.

Description

Vehicle overload detection system

Technical Field

The utility model relates to the technical field of vehicle overload detection, in particular to a vehicle overload detection system.

Background

The damage of vehicle overload is great, so that the highway and bridge facilities can be seriously damaged, the maintenance cost of the highway and the bridge is increased, and the service lives of the highway and the bridge are shortened; but also can cause the phenomena of vehicle braking performance reduction, steering performance imbalance, tire burst and the like, and cause or aggravate road traffic accident loss. The traditional vehicle weighing method mainly comprises static measurement and dynamic measurement. The static measurement is to statically weigh the weight of the vehicle through a fixed electronic wagon balance, the obtained data is accurate and reliable, but the measurement efficiency is low, the structural weight is large, and the installation and carrying are inconvenient; the bridge strain detection utilizes the bridge strain caused by the vehicle passing through the bridge floor, eliminates the vibration influence of the vehicle through integral operation, obtains the weight of the dynamic vehicle, and is suitable for detecting the overload of the high-speed dynamic vehicle. The weighing method adopts vehicle overload detection, and cannot prevent the occurrence of vehicle overload from the source, so that a vehicle overload detection device which is convenient to use and high in safety needs to be designed in actual life.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a vehicle overload detection system, so as to solve the problem of the prior art that a vehicle overload detection device with high safety and convenient use is urgently needed to be designed in real life.

In order to achieve the purpose, the utility model provides the following technical scheme: the vehicle overload detection system comprises a vehicle frame, a front support, a rear support and a pair of detection modules, wherein the front support and the rear support are respectively installed at the front end and the rear end of the vehicle frame, the two ends of the front support and the rear support are connected through a steel plate spring, an axle is installed on the steel plate spring, a supporting plate is fixed at the bottom of the axle, and the pair of detection modules are vertically installed on the two sides of the upper surface of the supporting plate and the two sides of the bottom of the steel plate spring in a symmetrical mode relative to the axle;

the detection module comprises a cylinder body, a transparent cover is screwed at the bottom of the cylinder body, a push rod with a rotary supporting seat at the top is inserted in the center of an inner cavity of the cylinder body in a sliding mode, a press block matched with the inner cavity of the cylinder body in a sliding mode is fixed at the bottom end of the push rod, a first through hole and a second through hole are formed in the cylinder body and the press block respectively, two sides of the top of the press block are connected with the top of the inner wall of the cylinder body through first springs, a pressure sensing device is installed on the lower portion of the inner cavity of the cylinder body, a flange with a T-shaped sliding block is sleeved on the outer wall of the cylinder body through a T-shaped sliding groove, the flange is connected with the transparent cover through a bolt and nut assembly, the pressure sensing device is connected with an ATmega328p chip in a signal mode, the ATmega328p chip is connected with a flash alarm and an electromagnetic relay in a signal mode, the electromagnetic relay is connected with a hydraulic control unit, and the hydraulic control unit is connected with a brake main cylinder in a signal mode, the brake master cylinder is connected with the brake wheel cylinder through the liquid-separating electromagnetic valve and the pipeline, when the vehicle is overloaded, the steel plate spring is compressed and deformed seriously, the ejector rod drives the pressing block extrusion pressure sensing device, the ATmega328p chip receives signals under the power-on condition, the flashing alarm is triggered to give an alarm, meanwhile, the hydraulic control unit controls the brake master cylinder to work, the vehicle is braked, the vehicle cannot be driven, and the safety is improved.

Preferably, the pressing block is conical, the shearing openings are formed in the periphery of the pressing block, the inner wall of the cylinder body is in sliding connection with the pressing block through the flaring cylindrical cavity, entering rainwater falls along with the inner wall, and the pressure sensing device is prevented from being wetted.

Preferably, the first through-hole is low outward and high in the interior and install the dust screen, the setting of second through-hole inwards slope reduces rainwater and dust and gets into, prevents to disturb the use.

Preferably, the ATmega328p chip is further in signal connection with a UART serial port communication module, the UART serial port communication module is in signal connection with an HC-05 Bluetooth module, and the HC-05 Bluetooth module is in signal connection with a Bluetooth mobile phone, so that a driver can be remotely reminded that the weight of the loaded goods of the vehicle exceeds the standard.

Preferably, the forced induction device includes that the embedded arc piece of fixing on the cylinder body surface, the inner wall level of arc piece is fixed with the leptoprosopy, there are two U type seats, two in the upper surface of leptoprosopy through horizontal sliding way slidable mounting install the second spring between the U type seat, it is connected with type V type pole, two to rotate through torsional spring and pivot damping on the U type seat it is fixed with HX711 pressure sensor module to connect the layer board through rotating between the inner of type V type pole, and the briquetting whereabouts extrudes HX711 pressure sensor module, falls certain degree after type V type pole and rotates down, and U type seat parts, utilizes type V type pole other end extrusion briquetting, protection HX711 pressure sensor module.

Compared with the prior art, the utility model has the beneficial effects that: when the vehicle is loaded, the steel plate spring is compressed and deformed, the ejector rod drives the pressing block to extrude the pressure sensing device, so that the ATmega328p chip drives the hydraulic control unit under the power-on condition, the hydraulic control unit controls the brake main cylinder to enable the brake wheel cylinder to work, the vehicle is braked and cannot run, the safety is improved, meanwhile, the system does not need manual operation, the automation degree is high, and the practicability is realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the detection module shown in FIG. 1;

FIG. 3 is a control schematic of the present invention;

fig. 4 is a schematic structural diagram of the pressure sensing device in fig. 2.

In the drawings, the components represented by the respective reference numerals are listed below:

1-frame, 2-front bracket, 3-rear bracket, 4-leaf spring, 5-axle, 6-support plate, 7-detection module, 70-cylinder, 71-transparent cover, 72-ejector rod, 73-press block, 74-first through hole, 75-second through hole, 76-first spring, 77-pressure sensing device, 78-flange, 770-arc block, 771-narrow plate, 772-U-shaped seat, 773-second spring, 774-type V-shaped rod, 775-HX711 pressure sensor module.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the vehicle overload detection system comprises a vehicle frame 1, a front support 2, a rear support 3 and a pair of detection modules 7, wherein the front support 2 and the rear support 3 are respectively installed at the front end and the rear end of the vehicle frame 1, the two ends of the front support 2 and the rear support 3 are connected through a steel plate spring 4, an axle 5 is installed on the steel plate spring 4, a support plate 6 is fixed at the bottom of the axle 5, and a pair of detection modules 7 are vertically installed on the two sides of the upper surface of the support plate 6 and the two sides of the bottom of the steel plate spring 4 symmetrically relative to the axle 5;

the detection module 7 comprises a cylinder body 70, a transparent cover 71 is screwed at the bottom of the cylinder body 70, a mandril 72 with a rotary supporting seat at the top is inserted in the center of an inner cavity of the cylinder body 70 in a sliding manner, the mandril 72 is connected with the steel plate spring 4 through the rotary supporting seat, a pressing block 73 which is matched with the inner cavity of the cylinder body 70 and slides is fixed at the bottom end of the mandril 72, the pressing block 73 is conical, shearing ports are arranged on the periphery of the pressing block 73, the inner wall of the cylinder body 70 is connected with the pressing block 73 through a flaring cylindrical cavity in a sliding manner, rainwater falls along the inner wall, a wetting pressure sensing device 77 is prevented, a first through hole 74 and a second through hole 75 are respectively arranged on the cylinder body 70 and the pressing block 73, the first through hole 74 is low in outside and high in inside, a dustproof net is arranged, the second through hole 75 is arranged in an inward inclined manner, rainwater dust is reduced, the two sides of the top of the pressing block 73 are connected with the top of the inner wall of the cylinder body 70 through a first spring 76, and a pressure sensing device 77 is arranged at the lower part of the inner cavity of the cylinder body 70, the outer wall of the cylinder body 70 is sleeved with a flange 78 with a T-shaped sliding block through a T-shaped sliding groove, the flange 78 is connected with a transparent cover 71 through a bolt and nut assembly, a pressure sensing device 77 is in signal connection with an ATmega328p chip, the chip is installed on a frame through a protective sleeve, meanwhile, the ATmega328p chip is in signal connection with a flash alarm and an electromagnetic relay, the electromagnetic relay is in signal connection with a hydraulic control unit, the hydraulic control unit is in signal connection with a brake master cylinder, the brake master cylinder is in signal connection with a brake wheel cylinder through a separating electromagnetic valve and a pipeline, the ATmega328p chip is also in signal connection with a UART serial port communication module, the UART serial port communication module is in signal connection with an HC-05 Bluetooth module, the HC-05 Bluetooth module is in signal connection with a Bluetooth mobile phone, the UART pressure sensing device 77 is connected to the ATmega328p chip when the vehicle is overloaded, and the HC-05 Bluetooth module obtains pressure information collected by the ATmega328p chip through the UART serial port communication module, and the pressure indication is realized on the Bluetooth mobile phone by forwarding the pressure indication to the Bluetooth mobile phone through Bluetooth communication, so that a driver is reminded.

Referring to fig. 4, the pressure sensing device 77 includes an arc block 770 embedded and fixed on the surface of the cylinder 70, a narrow plate 771 is horizontally fixed on the inner wall of the arc block 770, two U-shaped seats 772 are slidably mounted on the upper surface of the narrow plate 771 through a horizontal slideway, a second spring 773 is mounted between the two U-shaped seats 772, a V-like rod 774 is rotatably connected on the U-shaped seat 772 through a torsion spring and a rotating shaft for damping, an HX711 pressure sensor module 775 is fixed between the inner ends of the two V-like rods 774 through a rotary connecting supporting plate, when the pressing block 73 initially contacts the HX711 pressure sensor module 775, the vehicle is overloaded and braked, if the vehicle is continuously loaded, the HX711 pressure sensor module 775 moves downwards, the V-shaped rods 774 on the two sides rotate, the U-shaped seat 772 is separated, the pressing block 73 is extruded by the outer end of the V-shaped rod 774, the HX711 pressure sensor module 775 is prevented from being crushed, and meanwhile, a Bluetooth mobile phone of a driver receives a signal;

the working principle is as follows: the supporting plate 6 is drilled, the flange 78 and the transparent cover 71 are matched with a bolt and nut assembly to be continuously installed and fixed, when a vehicle is loaded, the steel plate spring 4 deforms, the ejector rod 72 drives the pressing block 73 to move downwards to trigger the pressure sensing device 77, then the ATmega328p chip receives signals, the hydraulic control unit is matched with the brake master cylinder to enable the brake wheel cylinder to work, the vehicle is braked and cannot run, meanwhile, the flash alarm gives an alarm, and the vehicle can run only when overload goods are unloaded.

It is worth noting that: the module equipment adopted in the scheme is an existing commercially available product, belongs to the existing mature technology of automobile control, and the product model and the specific using method are not repeated herein.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. Vehicle overload detection system, including frame (1), fore-stock (2), after-poppet (3) and a pair of detection module (7), its characterized in that: the front support (2) and the rear support (3) are respectively installed at the front end and the rear end of the frame (1), the two ends of the front support (2) and the rear support (3) are connected through a steel plate spring (4), an axle (5) is installed on the steel plate spring (4), a supporting plate (6) is fixed at the bottom of the axle (5), and a pair of detection modules (7) are vertically installed on the two sides of the upper surface of the supporting plate (6) and the two sides of the bottom of the steel plate spring (4) symmetrically relative to the axle (5);

the detection module (7) comprises a cylinder body (70), a transparent cover (71) is screwed at the bottom of the cylinder body (70), a push rod (72) with a rotary supporting seat at the top is inserted in the center of an inner cavity of the cylinder body (70) in a sliding manner, a pressing block (73) which is matched with the inner cavity of the cylinder body (70) and slides is fixed at the bottom end of the push rod (72), a first through hole (74) and a second through hole (75) are respectively formed in the cylinder body (70) and the pressing block (73), two sides of the top of the pressing block (73) are connected with the top of the inner wall of the cylinder body (70) through a first spring (76), a pressure sensing device (77) is installed at the lower part of the inner cavity of the cylinder body (70), a flange (78) with a T-shaped sliding block is sleeved on the outer wall of the cylinder body (70) through a T-shaped sliding groove, the flange (78) is connected with the transparent cover (71) through a bolt-nut assembly, and the pressure sensing device (77) is connected with an ATmega328p chip through a signal 328, the ATmega328p chip is in signal connection with a flash alarm and an electromagnetic relay, the electromagnetic relay is in signal connection with a hydraulic control unit, the hydraulic control unit is in signal connection with a brake master cylinder, and the brake master cylinder is connected with a brake wheel cylinder through a liquid-separating electromagnetic valve and a pipeline.

2. The vehicle overload detection system of claim 1, wherein: the pressing block (73) is conical, shearing openings are formed in the periphery of the pressing block, and the inner wall of the cylinder body (70) is connected with the pressing block (73) in a sliding mode through a flaring cylindrical cavity.

3. The vehicle overload detection system of claim 1, wherein: the first through hole (74) is low outside and high inside and is provided with a dust screen, and the second through hole (75) is arranged in an inward inclined mode.

4. The vehicle overload detection system of claim 1, wherein: the ATmega328p chip is further in signal connection with a UART serial port communication module, the UART serial port communication module is in signal connection with an HC-05 Bluetooth module, and the HC-05 Bluetooth module is in signal connection with a Bluetooth mobile phone.

5. The vehicle overload detection system of claim 1, wherein: pressure-sensitive device (77) are including embedded arc piece (770) of fixing on cylinder body (70) surface, the inner wall level of arc piece (770) is fixed with narrow plate (771), there are two U type seats (772) on the upper surface of narrow plate (771) through horizontal slide slidable mounting, two install second spring (773) between U type seat (772), it is connected with type V pole (774) to rotate through torsional spring and pivot damping on U type seat (772), two it is fixed with HX711 pressure sensor module (775) through rotating the connection layer board between the inner of type V pole (774).