CN213336436U

CN213336436U - Rack dynamic weighing sensor based on fiber bragg grating

Info

Publication number: CN213336436U
Application number: CN202022524407.8U
Authority: CN
Inventors: 阳礼; 高永安
Original assignee: Nanjing Changwu Network Technology Co ltd
Current assignee: Nanjing Changwu Network Technology Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-06-01
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a rack dynamic weighing sensor based on fiber grating, including the protecting crust, the inner chamber of protecting crust is provided with the weighing sensor body, the both sides of protecting crust inner chamber all bond there is the rubber pad, the inboard of rubber pad and the outside laminating of weighing sensor body, the air inlet duct has been seted up to the bottom of protecting crust. The utility model discloses a setting of miniature air pump, miniature air pump work can be gaseous transport to the inner chamber of gas board that looses, heater strip work, the gas board that looses is gaseous transport to the surface of heater strip, the heater strip is gaseous heating, gaseous transport to the inner chamber of protecting crust after the heating, thereby clear away the moisture on the moisture of protecting crust inner chamber and the moisture on weighing sensor body surface, the drier bag can adsorb the moisture of protecting crust inner chamber, the cleaing away to the moisture has been strengthened, protective function has been reached, can clear away the moisture simultaneously, dynamic weighing sensor life's effect has been increased.

Description

Rack dynamic weighing sensor based on fiber bragg grating

Technical Field

The utility model relates to a weighing sensor technical field specifically is a rack dynamic weighing sensor based on fiber grating.

Background

The weighing sensor is a device for converting a mass signal into a measurable electric signal to be output, the actual working environment of the sensor is considered by using the sensor, the sensor is important for correctly selecting the weighing sensor, the sensor is related to whether the sensor can normally work, the safety and the service life of the sensor, and the reliability and the safety of the whole weighing apparatus, a dynamic weighing sensor is generally used in the aspects of traffic smoothness and supervision, an optical fiber sensing technology is proposed in the seventies of the last century along with the vigorous development of optical fiber communication, the optical fiber sensing technology is closely combined with an optical time domain reflection technology to rapidly rise, and the optical fiber sensing technology is widely applied to multiple fields after decades of development.

The rack dynamic weighing sensor based on the fiber bragg grating is often located outdoors when in use, and moisture easily enters the interior of the dynamic weighing sensor, so that internal parts of the rack dynamic weighing sensor are damaged, the service life of the dynamic weighing sensor is shortened, and therefore the rack dynamic weighing sensor based on the fiber bragg grating needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rack dynamic weighing sensor based on fiber grating has safeguard function, can clear away the moisture simultaneously, has increased dynamic weighing sensor's life to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a rack developments weighing sensor based on fiber grating, includes the protecting crust, the inner chamber of protecting crust is provided with the weighing sensor body, the both sides of protecting crust inner chamber all bond there is the rubber pad, the inboard of rubber pad and the outside laminating of weighing sensor body, the air inlet duct has been seted up to the bottom of protecting crust, the inner chamber fixed mounting of air inlet duct has the heater strip, the bottom intercommunication of air inlet duct has the board that looses, the bottom intercommunication of scattered gas board has miniature air pump, the equal fixed mounting in both sides at protecting crust inner chamber top has a supporting box, the inner chamber fixed mounting of supporting box has the drier bag, the front of protecting crust is provided with the guard plate.

Preferably, the notch has been seted up on the front of protecting crust, the top and the bottom of notch inner chamber all communicate there is the spout, the inner wall department of protecting crust is seted up to the spout.

Preferably, the equal fixed mounting in both sides of guard plate top and bottom has the slider, the outside of slider and the inner chamber sliding connection of spout, the equal threaded connection in positive four corners department of protecting crust has fixing bolt, fixing bolt's the back run through protecting crust, spout and slider in proper order and with the inner wall threaded connection of protecting crust.

Preferably, the top of the protective shell is provided with a groove, and the pins of the weighing sensor body penetrate through the groove and extend to the outside of the groove.

Preferably, the bottom of the protective shell and the outer side of the air dispersing plate are fixedly provided with a fixed box, the bottom of the miniature air pump is fixedly arranged with the bottom of the inner cavity of the fixed box, and the air inlet end of the miniature air pump is communicated with the fixed box.

Preferably, the front surface of the fixing box is slidably inserted with a dry cotton plate, one side of the fixing box is provided with an air groove, and the inner cavity of the air groove is fixedly provided with a filter screen.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a setting of miniature air pump, miniature air pump work can be carried gas to the inner chamber of gas board that looses, heater strip work, the gas board that looses carries gas to the surface of heater strip, the heater strip heats gas, gas after the heating is carried to the inner chamber of protecting crust, thereby clear away the moisture of protecting crust inner chamber and the moisture on weighing sensor body surface, the drier bag can adsorb the moisture of protecting crust inner chamber, strengthened the cleaing away of moisture, reached and had the safeguard function, can clear away the moisture simultaneously, the effect of dynamic weighing sensor life has been increased;

2. the utility model discloses a setting of recess, the inner chamber of protecting crust is extended to the pin of the weighing sensor body of being convenient for, the through-hole has been seted up to the outside equidistance of support box, be convenient for support the gaseous circulation of incasement portion, the drier bag can absorb the inside moisture of protecting crust, fixed box can play the supporting role to miniature air pump, dry cotton board can adsorb the moisture in the gas, the air duct is convenient for gaseous entering, the filter screen can filter the dust in the gas, the notch is convenient for placing of guard plate, the notch is provided with sealed the pad with the laminating department of guard plate, fixing bolt can fix the slider, thereby fix the guard plate.

Drawings

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

FIG. 2 is a schematic structural view of the inside of the protective shell of the present invention;

fig. 3 is a schematic structural diagram of the inside of the sliding chute of the present invention.

In the figure: 1. a protective shell; 2. a fixing box; 3. a protection plate; 4. fixing the bolt; 5. an air inlet groove; 6. heating wires; 7. a micro air pump; 8. drying the cotton board; 9. a fixed box; 10. a vent channel; 11. a gas diffusion plate; 12. a weighing sensor body; 13. a groove; 14. a support box; 15. a desiccant bag; 16. a rubber pad; 17. a chute; 18. a slider; 19. a notch.

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. 1-3, the present invention provides a technical solution:

a rack dynamic weighing sensor based on fiber bragg grating comprises a protective shell 1, wherein a weighing sensor body 12 is arranged in an inner cavity of the protective shell 1, rubber pads 16 are bonded on two sides of the inner cavity of the protective shell 1, the inner sides of the rubber pads 16 are attached to the outer side of the weighing sensor body 12, supporting boxes 14 are fixedly mounted on two sides of the top of the inner cavity of the protective shell 1, drying agent bags 15 are fixedly mounted in the inner cavity of the supporting boxes 14, a groove 13 is formed in the top of the protective shell 1, and pins of the weighing sensor body 12 penetrate through the groove 13 and extend to the outer side of the groove 13;

through the arrangement of the groove 13, the pins of the weighing sensor body 12 can conveniently extend out of the inner cavity of the protective shell 1, through holes are formed in the outer side of the supporting box 14 at equal intervals, the circulation of gas in the supporting box 14 is convenient, and the desiccant bag 15 can absorb moisture in the protective shell 1;

an air inlet groove 5 is formed in the bottom of the protective shell 1, a heating wire 6 is fixedly installed in the inner cavity of the air inlet groove 5, the bottom of the air inlet groove 5 is communicated with an air diffusion plate 11, the bottom of the air diffusion plate 11 is communicated with a miniature air pump 7, a fixing box 2 is fixedly installed at the bottom of the protective shell 1 and located on the outer side of the air diffusion plate 11, the bottom of the miniature air pump 7 is fixedly installed with the bottom of the inner cavity of the fixing box 2, an air inlet end of the miniature air pump 7 is communicated with a fixing box 9, a dry cotton plate 8 is inserted into the front of the fixing box 9 in a sliding mode, an air vent groove 10 is formed in one side of the fixing box 2;

through the arrangement of the fixed box 2, the fixed box 2 can support the micro air pump 7, the dry cotton plate 8 can adsorb moisture in air, the vent groove 10 is convenient for air to enter, and the filter screen can filter dust in the air;

the front side of the protective shell 1 is provided with a protective plate 3, the front side of the protective shell 1 is provided with a notch 19, the top and the bottom of an inner cavity of the notch 19 are both communicated with a sliding groove 17, the sliding groove 17 is arranged at the inner wall of the protective shell 1, sliding blocks 18 are fixedly arranged on both sides of the top and the bottom of the protective plate 3, the outer side of each sliding block 18 is in sliding connection with the inner cavity of the corresponding sliding groove 17, four corners of the front side of the protective shell 1 are all in threaded connection with fixing bolts 4, and the back side of each fixing bolt 4 sequentially penetrates through the protective shell 1, the sliding grooves 17 and the sliding;

through the arrangement of the notch 19, the notch 19 is convenient for the protection plate 3 to be placed, a sealing gasket is arranged at the joint of the notch 19 and the protection plate 3, and the fixing bolt 4 can fix the sliding block 18 so as to fix the protection plate 3;

the working principle is as follows: during the use, miniature air pump 7 work, the inlet end extraction of miniature air pump 7 supports the inside gas of case 14, it is gaseous through filter screen entering fixed box 2, in the inside that gets into support case 14, dry cotton board 8 can adsorb the moisture in the gas, miniature air pump 7's the end of giving vent to anger is gaseous to be carried to the inner chamber of gas diffusion plate 11, heater strip 6 work, gas diffusion plate 11 is gaseous to be carried to the surface of heater strip 6, heater strip 6 is gaseous heating, gas after the heating is carried to the inner chamber of protecting crust 1, thereby clear away the moisture of protecting crust 1 inner chamber and the moisture on weighing sensor body 12 surface, drier bag 15 can adsorb the moisture of protecting crust 1 inner chamber, strengthened the cleaing away of moisture, fixing bolt 4 fixes slider 18, thereby fix guard plate 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rack dynamic weighing sensor based on fiber grating, includes protecting crust (1), its characterized in that: the inner chamber of protecting crust (1) is provided with weighing sensor body (12), rubber pad (16) have all been bonded to the both sides of protecting crust (1) inner chamber, the inboard of rubber pad (16) is laminated with the outside of weighing sensor body (12), air inlet duct (5) have been seted up to the bottom of protecting crust (1), the inner chamber fixed mounting of air inlet duct (5) has heater strip (6), the bottom intercommunication of air inlet duct (5) has gas diffusion plate (11), the bottom intercommunication of gas diffusion plate (11) has miniature air pump (7), the equal fixed mounting in both sides at protecting crust (1) inner chamber top has supporting box (14), the inner chamber fixed mounting of supporting box (14) has drier bag (15), the front of protecting crust (1) is provided with guard plate (3).

2. The fiber grating-based rack dynamic weighing sensor according to claim 1, wherein: notch (19) have been seted up on the front of protecting crust (1), the top and the bottom of notch (19) inner chamber all communicate with spout (17), the inner wall department in protecting crust (1) is seted up in spout (17).

3. The fiber grating-based rack dynamic weighing sensor according to claim 2, wherein: the equal fixed mounting in both sides of guard plate (3) top and bottom has slider (18), the outside of slider (18) and the inner chamber sliding connection of spout (17), the equal threaded connection in positive four corners department of protecting crust (1) has fixing bolt (4), the back of fixing bolt (4) run through protecting crust (1), spout (17) and slider (18) in proper order and with the inner wall threaded connection of protecting crust (1).

4. The fiber grating-based rack dynamic weighing sensor according to claim 1, wherein: a groove (13) is formed in the top of the protective shell (1), and pins of the weighing sensor body (12) penetrate through the groove (13) and extend to the outside of the groove (13).

5. The fiber grating-based rack dynamic weighing sensor according to claim 1, wherein: the bottom of protective housing (1) and the outside fixed mounting that is located gas dispersing plate (11) have fixed box (2), the bottom of miniature air pump (7) and the bottom fixed mounting of fixed box (2) inner chamber, the inlet end intercommunication of miniature air pump (7) has fixed case (9).

6. The fiber grating-based rack dynamic weighing sensor according to claim 5, wherein: the front surface of the fixed box (9) is slidably inserted with a dry cotton plate (8), one side of the fixed box (2) is provided with an air channel (10), and the inner cavity of the air channel (10) is fixedly provided with a filter screen.