CN213274529U

CN213274529U - Vehicle dynamic weighing instrument with good sensitivity

Info

Publication number: CN213274529U
Application number: CN202022162826.1U
Authority: CN
Inventors: 艾琴; 陈春平
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-05-25
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a vehicle dynamic weighing appearance that sensitivity is good, including bottom plate, pressure sensor, side seat, singlechip and piezoelectric film, the both sides on bottom plate top all are fixed with the side seat, and the top of side seat is equipped with the roof to the both sides of roof bottom all are fixed with the loading board, and the loading board is kept away from the one end of roof and the top fixed connection of side seat, infrared emission head is installed on the side seat top of loading board one side, and the loading board keeps away from the side seat top of infrared emission head one side and install infrared receiving head, all be equipped with two sets of location structure on the outer wall of bottom plate both sides, and the one end at bottom plate top installs pressure sensor to the piezoelectric film is installed on the bottom plate top of pressure sensor one side. The utility model discloses not only improved the stability when the weighing instrument uses, improved the measurement accuracy when the weighing instrument uses, received the phenomenon of rainwater interference when having avoided the weighing instrument to use moreover.

Description

Vehicle dynamic weighing instrument with good sensitivity

Technical Field

The utility model relates to a weighing instrument technical field specifically is a vehicle dynamic weighing instrument that sensitivity is good.

Background

At present, the weighing means of domestic road vehicles are mainly two types: the static weighing means that road managers let vehicles enter a special weighing station for weighing, the force of tires of the vehicles acting on a static weighing loader is exactly equal to the downward gravity of the static vehicles, the whole vehicle weight of the vehicles can be measured and displayed on an instrument through a detection element, although the performance index of a vehicle static weighing system is satisfactory, the technology is simple and the measurement is accurate, the factors of large volume, serious road damage, low measurement efficiency, large personnel consumption and the like easily cause the influence of difficult realization and unsmooth traffic, the superiority of a highway is difficult to play and the use efficiency is improved, and therefore a corresponding dynamic weighing instrument is required to be used.

The weighing instruments on the market are various and can basically meet the use requirements of people, but certain defects still exist, and the specific problems are as follows.

(1) The existing weighing instrument is inconvenient for positioning treatment, so that the phenomenon of slippage is easy to occur in the measuring process, and the stability is general;

(2) the existing weighing instrument is inconvenient for accurately identifying the current state of the vehicle, so that the sensitivity is low, and the measurement precision is influenced;

(3) the existing weighing instrument is inconvenient for rain-proof treatment, so that the weighing instrument is easy to be corroded by rainwater and further easy to be interfered by the weighing instrument.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vehicle dynamic weighing appearance that sensitivity is good to it is not convenient for carry out the location processing, is not convenient for carry out accurate discernment and be not convenient for carry out the problem of rain-proof processing to the vehicle current state to propose the weighing appearance in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a vehicle dynamic weighing instrument with good sensitivity comprises a bottom plate, a pressure sensor, side seats, a single chip microcomputer and a piezoelectric film, wherein the side seats are fixed on two sides of the top end of the bottom plate, a top plate is arranged above the side seats, and both sides of the bottom end of the top plate are fixed with bearing plates, one end of each bearing plate far away from the top plate is fixedly connected with the top end of the side seat, the top end of the side seat at one side of each bearing plate is provided with an infrared emission head, and the top end of the side seat of the loading plate far away from the infrared emission head is provided with an infrared receiving head, the outer walls of the two sides of the bottom plate are provided with two groups of positioning structures, and one end of the top of the bottom plate is provided with a pressure sensor, and the piezoelectric film is installed on the bottom plate top of pressure sensor one side, and the central point department of roof bottom installs the singlechip, and the input of singlechip respectively with pressure sensor, infrared emission head, infrared ray receiving head and the output electric connection of piezoelectric film.

Preferably, a first slope is fixed on the outer wall of one end of the bottom plate, and a second slope is fixed on the outer wall of one side, far away from the first slope, of the bottom plate, so that the vehicle can be guided.

Preferably, a liquid storage box is arranged at the center of the top end of the top plate, and a collection frame is fixed to the top end of the liquid storage box, so that rainwater can be collected and stored.

Preferably, the bottom of collecting the frame is equipped with equidistant overflow pipe, and the bottom of overflow pipe extends to the inside that holds the liquid case, and all is equipped with equidistant leakage fluid dram on two lateral walls that hold the liquid case, and the one end of leakage fluid dram extends to the inside that holds the liquid case to carry out discharge treatment to the rainwater.

Preferably, location structure's inside is equipped with pinhole, locating pin and locating plate in proper order, all install two sets of locating plates on the outer wall of bottom plate both sides, and the central point department of putting at locating plate top is equipped with the pinhole, and the bottom of pinhole extends to the outside of locating plate to settle the processing to the locating pin.

Preferably, the locating pin is installed at the locating plate top of pinhole position department, and the bottom of locating pin runs through the pinhole and extends to the outside of locating plate to carry out positioning process to the weighing instrument.

Compared with the prior art, the beneficial effects of the utility model are that: the vehicle dynamic weighing instrument with good sensitivity not only improves the stability of the weighing instrument when in use and improves the measurement precision of the weighing instrument when in use, but also avoids the phenomenon that the weighing instrument is interfered by rainwater when in use;

(1) the positioning pin penetrates through the pin hole and is screwed into the ground by downwards rotating the positioning pin through the pin hole, and the positioning plate is arranged on the outer wall of the bottom plate, and the bottom end of the positioning pin is screwed into the bottom of the ground, so that the weighing instrument is positioned, the phenomenon of slippage in the measuring process is reduced, and the stability of the weighing instrument in use is improved;

(2) the pressure sensor, the infrared transmitting head, the infrared receiving head and the piezoelectric film are arranged, the infrared transmitting head and the infrared receiving head are used for monitoring and processing the in-and-out information of the vehicle, relevant data can be fed back to the single chip microcomputer, the current vehicle speed of the vehicle can be measured according to the duration, the vehicle is subjected to coordination processing through the pressure sensor and the piezoelectric film, the pressure value of the vehicle is monitored, the relevant data can be fed back to the single chip microcomputer, the single chip microcomputer accurately obtains weighing data according to the vehicle speed and the pressure value, the sensitivity of the weighing data is ensured, and the measuring precision of the weighing instrument in use is improved;

(3) through being provided with liquid storage box, overflow pipe, collection frame and leakage fluid dram, collect the processing through collecting the frame to the rainwater, because of gravity factor, collect the inside rainwater of frame then can flow in to the inside that holds the liquid case through the overflow pipe, and discharge by the leakage fluid dram again, realized the rain-proof function of weighing instrument, and then reduce its erosion that receives the rainwater to the phenomenon that receives rainwater when having avoided weighing instrument to use.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the positioning structure of the present invention in cross section and enlarged structure;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a schematic top view of the bottom plate of the present invention.

In the figure: 1. a base plate; 2. a pressure sensor; 3. a top plate; 4. a side seat; 5. an infrared emitting head; 6. a carrier plate; 7. a liquid storage tank; 8. an overflow pipe; 9. a collection frame; 10. a liquid discharge port; 11. a single chip microcomputer; 12. a positioning structure; 1201. a pin hole; 1202. positioning pins; 1203. positioning a plate; 13. a first slope; 14. an infrared receiving head; 15. a second slope; 16. a piezoelectric film.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a vehicle dynamic weighing instrument with good sensitivity comprises a bottom plate 1, a pressure sensor 2, side seats 4, a single chip microcomputer 11 and a piezoelectric film 16, wherein the side seats 4 are fixed on two sides of the top end of the bottom plate 1, a top plate 3 is arranged above the side seats 4, a first slope 13 is fixed on the outer wall of one end of the bottom plate 1, and a second slope 15 is fixed on the outer wall of one side, far away from the first slope 13, of the bottom plate 1 so as to guide a vehicle;

a liquid storage box 7 is arranged at the center of the top end of the top plate 3, and a collection frame 9 is fixed at the top end of the liquid storage box 7 so as to collect and store rainwater;

the bottom of the collecting frame 9 is provided with overflow pipes 8 at equal intervals, the bottom ends of the overflow pipes 8 extend into the liquid storage tank 7, liquid discharge ports 10 at equal intervals are arranged on two outer side walls of the liquid storage tank 7, and one ends of the liquid discharge ports 10 extend into the liquid storage tank 7 so as to discharge rainwater;

and both sides of the bottom end of the top plate 3 are fixed with a bearing plate 6, one end of the bearing plate 6 far away from the top plate 3 is fixedly connected with the top end of the side seat 4, the top end of the side seat 4 at one side of the bearing plate 6 is provided with an infrared emission head 5, the type of the infrared emission head 5 can be HS3-I, the top end of the side seat 4 at one side of the bearing plate 6 far away from the infrared emission head 5 is provided with an infrared reception head 14, the type of the infrared reception head 14 can be HYD2048H, the outer walls at both sides of the bottom plate 1 are provided with two groups of positioning structures 12, the positioning structures 12 are internally provided with pin holes 1201, positioning pins 1202 and positioning plates 1203 in sequence, the outer walls at both sides of the bottom plate 1 are provided with two groups of positioning plates 1203, the center position of the top of the positioning plate 1203 is provided with pin holes 1201, the bottom end of the positioning pin 1202 penetrates through the pin hole 1201 and extends to the outside of the positioning plate 1203;

the positioning pin 1202 penetrates through the pin hole 1201 and is screwed into the ground by rotating downwards, and the positioning plate 1203 is installed on the outer wall of the bottom plate 1, and the bottom end of the positioning pin 1202 is screwed into the bottom of the ground, so that the weighing instrument is positioned, the phenomenon of slippage in the measuring process is reduced, and the stability of the weighing instrument in use is improved;

and the pressure sensor 2 is installed at one end of the top of the bottom plate 1, the type of the pressure sensor 2 can be PT124G-111, the piezoelectric film 16 is installed at the top end of the bottom plate 1 on one side of the pressure sensor 2, the type of the piezoelectric film 16 can be LDT1, the single chip microcomputer 11 is installed at the central position of the bottom end of the top plate 3, the type of the single chip microcomputer 11 can be SH69P25, and the input end of the single chip microcomputer 11 is electrically connected with the output ends of the pressure sensor 2, the infrared emitting head 5, the infrared receiving head 14 and the piezoelectric film 16 respectively.

The working principle is as follows: when the weighing instrument is used, firstly, a vehicle slides to the top of the bottom plate 1 through the first slope 13, then slides to the outside of the bottom plate 1 through the second slope 15 so as to be guided, then, the entering and exiting information of the vehicle is monitored through the infrared transmitting head 5 and the infrared receiving head 14, relevant data can be fed back to the single chip microcomputer 11, further, the current vehicle speed of the vehicle can be measured according to duration, then, the pressure sensor 2 and the piezoelectric film 16 are used for coordinating the vehicle, so that the pressure value of the vehicle is monitored, the relevant data can be fed back to the single chip microcomputer 11, further, the single chip microcomputer 11 can accurately obtain weighing data according to the vehicle speed and the pressure value so as to ensure the sensitivity of the vehicle, the measurement precision of the weighing instrument in use is improved, then, the positioning pin 1202 is enabled to penetrate through the pin hole 1201 and is screwed into the ground through downwards, and the positioning plate is installed on the outer wall, and the bottom screw in of locating pin 1202 to the bottom on ground, so as to carry out positioning treatment to the weighing instrument, and then reduce the phenomenon that produces the slippage among its measurement process, stability when having improved the weighing instrument and using, collect the processing through collecting frame 9 to the rainwater at last, because of the gravity factor, collect the inside rainwater of frame 9 and then can flow into the inside that holds liquid case 7 through overflow pipe 8, and discharge by leakage fluid dram 10 again, the rain-proof function of weighing instrument has been realized, and then reduce its erosion that receives the rainwater, the phenomenon that receives rainwater interference when having avoided the weighing instrument to use, thereby accomplish the use of weighing instrument.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a vehicle dynamic weighing appearance that sensitivity is good, includes bottom plate (1), pressure sensor (2), side seat (4), singlechip (11) and piezoelectric film (16), its characterized in that: the infrared ray detection device is characterized in that side seats (4) are fixed on two sides of the top end of the bottom plate (1), a top plate (3) is arranged above the side seats (4), bearing plates (6) are fixed on two sides of the bottom end of the top plate (3), one end, far away from the top plate (3), of each bearing plate (6) is fixedly connected with the top end of each side seat (4), an infrared ray emitting head (5) is installed at the top end of each side seat (4) on one side of each bearing plate (6), an infrared ray receiving head (14) is installed at the top end of each side seat (4) on one side, far away from the infrared ray emitting heads (5), two groups of positioning structures (12) are arranged on the outer walls of two sides of the bottom plate (1), a pressure sensor (2) is installed at one end of the top of the bottom plate (1), a piezoelectric film (16) is installed at the top end of the bottom plate (2, the input end of the singlechip (11) is respectively and electrically connected with the output ends of the pressure sensor (2), the infrared transmitting head (5), the infrared receiving head (14) and the piezoelectric film (16).

2. The vehicle dynamic weighing instrument with good sensitivity of claim 1, wherein: a first slope (13) is fixed on the outer wall of one end of the bottom plate (1), and a second slope (15) is fixed on the outer wall of one side, far away from the first slope (13), of the bottom plate (1).

3. The vehicle dynamic weighing instrument with good sensitivity of claim 1, wherein: the center position department on roof (3) top is equipped with and holds liquid case (7), and holds the top of liquid case (7) and be fixed with collection frame (9).

4. The vehicle dynamic weighing instrument with good sensitivity of claim 3, wherein: the bottom of collecting frame (9) is equipped with equidistant overflow pipe (8), and the bottom of overflow pipe (8) extends to the inside that holds liquid case (7), and all is equipped with equidistant leakage fluid dram (10) on two lateral walls that hold liquid case (7), and the one end of leakage fluid dram (10) extends to the inside that holds liquid case (7).

5. The vehicle dynamic weighing instrument with good sensitivity of claim 1, wherein: the inner portion of the positioning structure (12) is sequentially provided with a pin hole (1201), a positioning pin (1202) and a positioning plate (1203), two groups of positioning plates (1203) are mounted on the outer walls of two sides of the bottom plate (1), the center positions of the tops of the positioning plates (1203) are provided with pin holes (1201), and the bottom ends of the pin holes (1201) extend to the outer portions of the positioning plates (1203).

6. The vehicle dynamic weighing instrument with good sensitivity of claim 5, wherein: the top end of the positioning plate (1203) at the position of the pin hole (1201) is provided with a positioning pin (1202), and the bottom end of the positioning pin (1202) penetrates through the pin hole (1201) and extends to the outside of the positioning plate (1203).