CN212871435U

CN212871435U - Quartz crystal sensor dynamic weighing device

Info

Publication number: CN212871435U
Application number: CN202022155862.5U
Authority: CN
Inventors: 唐明; 韩伟; 曹志刚
Original assignee: Kunming Haobao Weighing Instrument Manufacturing Co ltd
Current assignee: Kunming Haobao Weighing Instrument Manufacturing Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-04-02
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses a quartz crystal sensor dynamic weighing device, including the sensor mounting groove, the inboard of sensor mounting groove is fixed with the sensor installing support, the sensor installing support includes the left socle, the right branch frame, upper bracket and lower carriage, the left socle sets up and the relative one side middle part of left socle and right branch frame is spacing protruding with the right branch frame symmetry, the equal fixedly connected with backing plate in one side of the upper bracket is relative with the lower carriage, fixed mounting has quartz sensor between two backing plates, quartz sensor is "worker" font, spacing bellied tip and quartz sensor's both sides looks adaptation, the top fixedly connected with loading board of sensor installing support, the fixed road surface stress layer that is equipped with in top of loading board. The utility model discloses reduced the space of sensor installing support inner chamber, increased the bending strength of whole device, reduced the elasticity deformation volume of sensor installing support, increased the life of device.

Description

Quartz crystal sensor dynamic weighing device

Technical Field

The utility model relates to a technical field that weighs, in particular to quartz crystal sensor dynamic weighing device.

Background

Quartz (SiO2) is a natural piezoelectric material, and when an external force is applied to the quartz surface, electric charges are generated, i.e., the piezoelectric effect. The crystal direction can be measured by using an optical crystal goniometer, the crystal has three different cutting modes of longitudinal direction, transverse direction and shearing direction, and the quartz crystal of a certain cutting mode is only sensitive to the force in the corresponding direction and is respectively called longitudinal effect, transverse effect and shearing effect. The dynamic weighing instrument for the vehicle can be manufactured by utilizing the characteristic of quartz.

The sensor is widely applied, and the manufacturing technology is relatively mature. Common force sensors include resistance strain type, piezoelectric type, and resonant type. The resonant force sensor mainly comprises a vibrating string type, a quartz resonant type and the like, and has the common characteristic that a periodic quasi-digital signal is output and can be converted into a frequency digital signal which is easy to receive and process by a microprocessor through a simple digital circuit; the sensitivity, the resolution and the stability are higher; the anti-interference capability is strong, and the method is suitable for long-distance transmission.

In the prior art, a quartz weighing sensor has a large stressed deformation cavity in actual use, so that the pressure resistance of a weight measuring stressed sectional material is increased, the elastic deformation of the weight measuring stressed sectional material is increased, the generated deformation is not easy to recover, and the weighing result is influenced.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a quartz crystal sensor dynamic weighing device, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a dynamic weighing device of a quartz crystal sensor comprises a sensor mounting groove, wherein a sensor mounting bracket is fixed on the inner side of the sensor mounting groove and comprises a left bracket, a right bracket, an upper bracket and a lower bracket, the upper end and the lower end of the left bracket are respectively fixedly connected with one side of the upper bracket and one side of the lower bracket, the upper end and the lower end of the right bracket are respectively fixedly connected with the other side of the upper bracket and the other side of the lower bracket, the left bracket and the right bracket are symmetrically arranged, the middle parts of the opposite sides of the left bracket and the right bracket are respectively and fixedly connected with a limiting bulge, the opposite sides of the upper bracket and the lower bracket are respectively and fixedly connected with a backing plate, a quartz sensor is fixedly arranged between the two backing plates, the quartz sensor is in an I shape, and the end parts of the limiting bulges are matched with the middle, the top fixedly connected with loading board of sensor installing support, the fixed road surface stress layer that is equipped with in top of loading board, the bottom fixedly connected with bottom plate of sensor installing support, the loading board with the equal fixedly connected with in the back of the body one side of the back of the body of bottom plate is the fixed lug of array arrangement, the top edge fixedly connected with of loading board extends the end, the both sides inner wall upper end fixed mounting of sensor mounting groove has the cage.

Preferably, the bottom on road surface stress layer with a plurality of evenly distributed's recess has all been seted up to the inboard bottom of sensor mounting groove, the cross-section of recess is isosceles trapezoid, the recess with fixed lug looks adaptation.

Preferably, the upper bracket is fixedly connected with the bottom of the bearing plate, and the lower bracket is fixedly connected with the top of the bottom plate.

Preferably, an elastic supporting member is fixedly mounted on the outer side of the sensor mounting bracket, and grooves are formed in two sides of the elastic supporting member.

Preferably, the outer side surfaces of the left support and the right support are both arc surfaces, and deformation cavities are reserved between the left support and the upper support and between the right support and the lower support.

Preferably, the lower end of one side of the isolation ring, which is close to the road surface stress layer, is provided with a connecting groove, and the connecting groove is matched with the extending end.

Compared with the prior art, the utility model discloses following beneficial effect has: according to the dynamic weighing device for the quartz crystal sensor, the sensor mounting support and the quartz sensor are arranged, the outer side surfaces of the left support and the right support are arc surfaces, the middle part of one side, opposite to the right support, of the left support is fixedly connected with the limiting protrusion, the space of an inner cavity of the sensor mounting support is reduced, the bending strength of the whole device is increased, the elastic deformation quantity of the sensor mounting support is reduced, the service life of the device is prolonged, the bearing plate, the groove and the fixing protrusion are arranged, the bearing plate and the bottom plate are limited through the groove and the fixing protrusion, transverse sliding or deviation between the bearing plate and the road surface stressed layer and between the sensor mounting support and the bottom plate can be effectively prevented, and further the measuring result is influenced; through setting up the cage and extending the end, can carry out the effect of keeping apart between potting material and the whole device, whole quartz crystal sensor dynamic weighing device simple structure, convenient operation detects the dynamic force of tire through quartz sensor at the in-process that the vehicle passes through to calculate data such as wheel weight, axle load and whole car weight.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a dynamic weighing device of a quartz crystal sensor according to the present invention;

fig. 2 is a side view of the dynamic weighing apparatus of quartz crystal sensor of the present invention.

In the figure: 1. a sensor mounting groove; 2. a sensor mounting bracket; 3. a left bracket; 4. a right bracket; 5. an upper bracket; 6. a lower bracket; 7. a limiting bulge; 8. a base plate; 9. a quartz sensor; 10. a carrier plate; 11. a road surface stressed layer; 12. a base plate; 13. fixing the bump; 14. an extension end; 15. an isolation ring; 16. a groove; 17. an elastic support member; 18. a deformation cavity; 19. and connecting the grooves.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-2, a quartz crystal sensor dynamic weighing device comprises a sensor mounting groove 1, a sensor mounting bracket 2 is fixed on the inner side of the sensor mounting groove 1, the sensor mounting bracket 2 comprises a left bracket 3, a right bracket 4, an upper bracket 5 and a lower bracket 6, the upper end and the lower end of the left bracket 3 are respectively fixedly connected with one side of the upper bracket 5 and one side of the lower bracket 6, the upper end and the lower end of the right bracket 4 are respectively fixedly connected with the other side of the upper bracket 5 and the other side of the lower bracket 6, the left bracket 3 and the right bracket 4 are symmetrically arranged, the middle parts of the opposite sides of the left bracket 3 and the right bracket 4 are respectively fixedly connected with a limiting bulge 7, the opposite sides of the upper bracket 5 and the lower bracket 6 are respectively fixedly connected with a backing plate 8, a quartz sensor 9 is fixedly installed between the two backing plates 8, the quartz sensor 9 is in an, the utility model discloses a sensor mounting structure, including sensor mounting groove 1, spacing arch 7, sensor mounting bracket 2, bearing board 10, the fixed road surface stress layer 11 that is equipped with in top, sensor mounting bracket 2's bottom fixedly connected with bottom plate 12, bearing board 10 with the equal fixedly connected with in the back of the body one side of bottom plate 12 is array arrangement's fixed lug 13, the top edge fixedly connected with of bearing board 10 extends end 14, sensor mounting groove 1's both sides inner wall upper end fixed mounting has cage 15.

In this embodiment, preferably, a plurality of grooves 16 which are uniformly distributed are formed in the bottom end of the road surface stress layer 11 and the bottom of the inner side of the sensor mounting groove 1, the cross section of each groove 16 is isosceles trapezoid, and the grooves 16 are matched with the fixed bumps 13.

In this embodiment, preferably, the upper bracket 5 is fixedly connected to the bottom of the bearing plate 10, and the lower bracket 6 is fixedly connected to the top of the bottom plate 12.

In this embodiment, preferably, an elastic supporting member 17 is fixedly mounted on the outer side of the sensor mounting bracket 2, and grooves are formed on two sides of the elastic supporting member 17.

In this embodiment, preferably, the outer side surfaces of the left bracket 3 and the right bracket 4 are both arc surfaces, and deformation cavities 18 are left between the left bracket 3 and the right bracket 4 and between the upper bracket and the lower bracket.

In this embodiment, preferably, the lower end of the isolation ring 15 near the road surface stress layer 11 is provided with a connection groove 19, and the connection groove 19 is adapted to the extension end 14.

It should be noted that, the utility model relates to a quartz crystal sensor dynamic weighing device, when in use, by arranging the sensor mounting bracket 2 and the quartz sensor 9, the outer side surfaces of the left bracket 3 and the right bracket 4 are both arc surfaces, and the middle part of the opposite side of the left bracket 3 and the right bracket 4 is fixedly connected with the limiting bulge 7, thereby reducing the space of the inner cavity of the sensor mounting bracket 2, increasing the bending strength of the whole device, reducing the elastic deformation of the sensor mounting bracket 2, prolonging the service life of the device, by arranging the road surface stress layer 11, the bearing plate 10, the groove 16 and the fixing lug 13, limiting the bearing plate 10 and the bottom plate 12 through the groove 16 and the fixing lug 13, the lateral sliding or the deviation between the bearing plate 10 and the road surface stress layer 11 and between the sensor mounting bracket 2 and the bottom plate 12 can be effectively prevented, thereby affecting the measurement result; through setting up cage 15 and extension end 14, can carry out the effect of keeping apart between potting material and the whole device, whole quartz crystal sensor dynamic weighing device simple structure, convenient operation detects the dynamic force of tire at the in-process that the vehicle passes through quartz sensor 9 to calculate data such as wheel weight, axle load and whole car weight.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a quartz crystal sensor dynamic weighing device, includes sensor mounting groove (1), its characterized in that: a sensor mounting bracket (2) is fixed on the inner side of the sensor mounting groove (1), the sensor mounting bracket (2) comprises a left bracket (3), a right bracket (4), an upper bracket (5) and a lower bracket (6), the upper end and the lower end of the left bracket (3) are respectively fixedly connected with one side of the upper bracket (5) and one side of the lower bracket (6), the upper end and the lower end of the right bracket (4) are respectively fixedly connected with the other side of the upper bracket (5) and the other side of the lower bracket (6), the left bracket (3) and the right bracket (4) are symmetrically arranged, the middle parts of the opposite sides of the left bracket (3) and the right bracket (4) are respectively and fixedly connected with a limiting bulge (7), backing plates (8) are respectively and fixedly connected with the opposite sides of the upper bracket (5) and the lower bracket (6), and a quartz sensor (9) is fixedly mounted between the two backing plates (8, quartz sensor (9) are "worker" font, the tip of spacing arch (7) with the both sides middle part looks adaptation of quartz sensor (9), top fixedly connected with loading board (10) of sensor installing support (2), the fixed road surface stress layer (11) that is equipped with in top of loading board (10), the bottom fixedly connected with bottom plate (12) of sensor installing support (2), loading board (10) with the equal fixedly connected with in the back of the body one side of the back of the body of bottom plate (12) is array arrangement's fixed lug (13), the top edge fixedly connected with of loading board (10) extends end (14), the both sides inner wall upper end fixed mounting of sensor mounting groove (1) has cage (15).

2. The quartz crystal sensor dynamic weighing apparatus of claim 1, wherein: the bottom on road surface stress layer (11) with a plurality of evenly distributed's recess (16) all have been seted up to the inboard bottom of sensor mounting groove (1), the cross-section of recess (16) is isosceles trapezoid, recess (16) with fixed lug (13) looks adaptation.

3. The quartz crystal sensor dynamic weighing apparatus of claim 1, wherein: the upper support (5) is fixedly connected with the bottom of the bearing plate (10), and the lower support (6) is fixedly connected with the top of the bottom plate (12).

4. The quartz crystal sensor dynamic weighing apparatus of claim 1, wherein: the sensor mounting bracket is characterized in that an elastic supporting piece (17) is fixedly mounted on the outer side of the sensor mounting bracket (2), and grooves are formed in two sides of the elastic supporting piece (17).

5. The quartz crystal sensor dynamic weighing apparatus of claim 1, wherein: the outer side surfaces of the left support (3) and the right support (4) are arc surfaces, and deformation cavities (18) are reserved between the left support (3) and the right support (4) and between the upper support and the lower support.

6. The quartz crystal sensor dynamic weighing apparatus of claim 1, wherein: the isolating ring (15) is close to the lower end of one side of the road surface stress layer (11), and a connecting groove (19) is formed in the lower end of the one side of the road surface stress layer, and the connecting groove (19) is matched with the extending end (14).