CN214854654U

CN214854654U - Intelligent safety helmet

Info

Publication number: CN214854654U
Application number: CN202120655930.6U
Authority: CN
Inventors: 黄景
Original assignee: Nanjing Zhiju Technology Co ltd
Current assignee: Nanjing Zhiju Technology Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-11-26
Anticipated expiration: 2031-03-31

Abstract

The utility model discloses an intelligent safety helmet, belonging to the technical field of personnel positioning, comprising a positioning device arranged on a rear hoop, wherein the positioning device comprises an anti-static component, a casing and a battery box which are arranged in sequence, and the anti-static component comprises an inner plastic sheet, a metal sheet and an outer plastic sheet which are fixedly connected in sequence from inside to outside; the shell is internally provided with a circuit board and an installation plate; the battery and the circuit board installation of components of a whole that can function independently have been solved, the technical problem that the battery can be dismantled at any time, the utility model discloses an adopt the double-screw bolt to fix between battery case and the casing, can dismantle at any time, because the volume of battery case is great, can directly dismantle with the hand, it is convenient to maintain, the utility model discloses a battery case can preserve as standard accessory after twisting, can not switch on the battery during preservation, has protected the electric quantity of battery, the utility model discloses a prevent that the static subassembly has carried out electrostatic protection to the circuit board, has stopped the damage of static to the circuit board.

Description

Intelligent safety helmet

Technical Field

The utility model belongs to the technical field of personnel's location, especially, relate to an intelligent safety helmet.

Background

With the rapid development of economic construction in China, a large number of construction site projects are developed and constructed every year, wherein safety management is the most important. At present, the scale of engineering construction is continuously enlarged, the process flow is complicated, and how to perfect the field construction field management, control the accident occurrence frequency and ensure the civilized construction is always the focus of attention of construction enterprises and government management departments. Particularly, along with the continuous progress of society and the rapid development of urbanization process, the government pays more and more attention to the livelihood, and the concept of safe production is also deeply focused, which puts higher requirements on the supervision of quality, safety and civilized construction of construction engineering.

The real-time management of the workers at the construction site is a blind point in the management work, a rough mode is always adopted, the problems that the constructors are difficult to supervise in real time, the workers on duty are laid and derived by the workers on duty on the site and the like often occur in some large projects, and the low level of the on-site management is an important reason that the efficiency of the construction site is low and accidents are frequent at present.

In order to enhance the dynamic assessment of the on-duty condition of constructors and supervise the working condition of a site, the dynamic management of the real-time condition of the site personnel by utilizing a safety helmet positioning system appears in the market at present.

Traditional location safety helmet device adopts the mode of embedded location chip, reads personnel's location chip's positional information through the basic station to reach the purpose of location, traditional location safety helmet has shortcoming:

1. the positioning chip and the power supply battery are embedded in the safety helmet, the battery is difficult to take out once being installed, and at the time point without positioning, the battery is still in a working state because the battery is not taken out, so that the electric quantity of the battery is wasted, and the service time is reduced.

2. Because the battery and the circuit board in the current safety helmet positioning device are both designed in the same object, when the battery needs to be replaced, the shell needs to be opened, the circuit board leaks, and the mechanical damage of the circuit board is easily caused.

3. Due to the embedded design of the battery, the battery is very troublesome to replace, and once the battery is replaced, the battery is in a working state and cannot be controlled to be powered off.

4. As the safety helmet is worn on the head of a human body, static electricity is easily generated due to the contact of the safety helmet and hair, and electronic elements on the circuit board are damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a safety helmet convenient to location has solved the battery and has carried out the components of a whole that can function independently installation with the circuit board, and the technical problem that the battery can be dismantled at any time.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an intelligent safety helmet comprises a rear hoop, wherein a positioning device is arranged on the rear hoop, the positioning device comprises an anti-static assembly, a casing and a battery box which are sequentially arranged, and the anti-static assembly comprises an inner plastic sheet, a metal sheet and an outer plastic sheet which are sequentially and fixedly connected from inside to outside;

a circuit board and a mounting plate are arranged in the casing, a circular anode metal sheet and a circular cathode metal ring are arranged on the circuit board, the cathode metal ring is sleeved on the outer ring of the anode metal sheet at intervals, an anode elastic sheet is arranged on the anode metal sheet, a cathode elastic sheet is arranged on the cathode metal ring, and a screw hole is formed in the mounting plate;

set up the lithium cell in the battery case, the battery case side sets firmly the double-screw bolt, the double-screw bolt passes through the screw and mounting panel threaded connection of mounting panel, set firmly anodal crimping metal column and encircle the negative pole crimping becket at anodal crimping metal column outer lane on the terminal surface of the directional circuit board of double-screw bolt, anodal shell fragment is withheld to anodal crimping metal column, negative pole shell fragment is withheld to negative pole crimping becket, the double-screw bolt sets up the first through-hole that corresponds with anodal crimping metal column and the second through-hole corresponding with negative pole crimping becket, anodal crimping metal column is connected through the first wire that stretches into first through-hole to the positive pole of lithium cell, the negative pole crimping becket is connected through the second wire that stretches into the second through-hole to the negative pole of lithium cell.

Preferably, be equipped with main control unit and location chip on the circuit board, the location chip is connected with main control unit, the lithium cell is main control unit and the power supply of location chip.

Preferably, the main controller is an ARM controller, the model of the ARM controller is AT75C310, the positioning chip is a WIFI chip, and the model of the WIFI chip is MT 7681.

Preferably, the circuit board is further provided with a power supply module, the power supply module comprises a 3.3V voltage stabilizer and a peripheral circuit thereof, and the model of the 3.3V voltage stabilizer is SP 6213.

Preferably, the first wire is welded on the positive electrode crimping metal column, the second wire is welded on the negative electrode crimping metal ring, and the first wire and the second wire are respectively connected with the positive electrode and the negative electrode of the lithium battery through the plug connectors.

Preferably, a circular positive metal sheet and a circular negative metal ring are fixedly arranged on the circuit board, the positive metal sheet and the negative metal ring are both arranged on one side of the circuit board facing the mounting plate, and the negative metal rings are alternately sleeved on the outer ring of the positive metal sheet;

the input end of the 3.3V voltage stabilizer is respectively connected with the positive metal sheet and the negative metal ring, and the output end of the 3.3V voltage stabilizer is used for supplying power for the main controller and the positioning chip.

Preferably, the positive metal sheet is provided with a positive elastic sheet, one end of the positive elastic sheet is welded on the positive metal sheet, the negative metal ring is provided with a negative elastic sheet, and one end of the negative elastic sheet is welded on the negative metal ring.

Preferably, the positive elastic piece and the negative elastic piece are both stainless steel elastic pieces.

An intelligent safety helmet, solved the battery and carried out the components of a whole that can function independently installation with the circuit board, the technical problem that the battery can be dismantled at any time, the utility model discloses an adopt the double-screw bolt to fix between battery case and the casing, can dismantle at any time, because the volume of battery case is great, can directly dismantle with the hand, it is convenient to maintain, the utility model discloses a battery case is twisting the back, can preserve as standard accessory, can not switch on the battery during preservation, has protected the electric quantity of battery, the utility model discloses a prevent that static subassembly has carried out electrostatic protection to the circuit board, has stopped the damage of static to the circuit board.

Drawings

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

FIG. 2 is a schematic view of the positioning device;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is a schematic structural view of the positive electrode spring plate and the negative electrode spring plate respectively separated from the positive electrode crimping metal column and the negative electrode crimping metal ring;

FIG. 5 is a schematic structural view of a positive electrode metal piece and a negative electrode metal ring;

FIG. 6 is a schematic block diagram of a circuit board;

in the figure: the cap comprises a cap shell 1, a rear hoop 2, a knob 3, a positioning device 4, a box cover 5, a box body 6, an inner plastic sheet 7, a metal sheet 8, an outer plastic sheet 9, a machine shell 10, a lithium battery 11, a hole expanding 12, an installation plate 13, a circuit board 14, a protrusion 15, a stud 16, a positive electrode crimping metal column 17, a negative electrode elastic sheet 18, a positive electrode elastic sheet 19, a positive electrode metal sheet 20, a negative electrode metal ring 21, a negative electrode crimping metal ring 22, a second through hole 23, a second through hole 24, a second lead 25, a first lead 26, a first through hole 27, a first through hole 28 and a screw hole 29.

Detailed Description

An intelligent safety helmet shown in figures 1-6 comprises a helmet shell 1, a helmet liner, a mandibular band and a rear hoop 2, wherein the helmet liner and the mandibular band are not shown, the rear hoop 2 is provided with a knob 3 and a positioning device 4, the tightness during wearing can be adjusted by rotating the knob 3, people with different head circumferences can adapt, the knob 3 and the positioning device 4 are both arranged on the outer side of the rear hoop 2, the positioning device 4 is arranged on the side edge of the knob 3 at intervals, and the positioning device 4 is fixed on the outer side of the rear hoop 2.

The positioning device 4 comprises an anti-static component, a casing 10 and a battery box which are arranged in sequence from inside to outside.

The anti-static component comprises an inner plastic sheet 7, a metal sheet 8 and an outer plastic sheet 9 which are fixedly connected from inside to outside in sequence, wherein the inner plastic sheet 7 is fixed on the outer side of the back hoop 2 through bonding.

The casing 10 is a tube body provided with an inner port and an outer port, the inner end of the casing 10 is fixedly connected with the outer side of an outer plastic sheet 9, the outer plastic sheet 9 covers and seals the inner port of the casing 10, a circuit board 14 and a mounting plate 13 are arranged in the casing 10 at intervals, the inner wall of the casing 10 is provided with a plurality of bulges 15, the circuit board 14 is in screw connection with the bulges 15 on the inner wall of the casing 10, a circular anode metal sheet 20 and a circular cathode metal ring 21 are fixedly arranged on the circuit board 14, the anode metal sheet 20 and the cathode metal ring 21 are both arranged on one side of the circuit board 14 facing the mounting plate 13, the cathode metal ring 21 is sleeved on the outer ring of the anode metal sheet 20 at intervals, an anode spring piece 19 is arranged on the anode metal sheet 20, one end of the anode spring piece 19 is welded on the anode metal sheet 20, a cathode spring piece 18 is arranged on the cathode metal ring 21, one end of the cathode metal ring 21 is welded on the cathode metal ring 21, preferably, two negative pole elastic pieces 18 are fixedly arranged on the negative pole metal ring 21.

The casing 10 sets up the outer port department and sets up the reaming 12, the diameter of the reaming 12 is greater than the pipe hole internal diameter of the casing 10, the reaming 12 forms the shoulder hole with the pipe hole of the casing 10, the internal wall of the reaming 12 sets up the internal thread, the mounting panel 13 locates the outside of the circuit board 14 at intervals, the mounting panel 13 sets up the external screw thread, the external screw thread of the mounting panel 13 and the internal thread screwed connection of the reaming 12 department of the casing 10 are in the same place, of course, the utility model discloses regardless of the above-mentioned form, can also link together the mounting panel 13 and the casing 10 through two screws; the mounting plate 13 is provided with a screw hole 29, and the screw hole 29 is also a center hole of the mounting plate 13.

The battery box comprises a box body 6 and a box cover 5, the box body 6 of the battery box covers the outer port of the shell 10, a lithium battery 11 is arranged in the box body 6 of the battery box, the outer end of the box body 6 of the battery box is provided with an opening, the box cover 5 is arranged at the opening of the box body 6, two ends of the box cover 5 are both connected with the box body 6 of the battery box through screws, and the box cover 5 can be opened or closed;

the inner side of the battery box is fixedly provided with a stud 16, the casing, the mounting plate and the stud 16 are insulators, the stud 16 is in threaded connection with the mounting plate 13 through a screw hole 29 of the mounting plate 13, namely, an external thread of the stud 16 is in threaded connection with an internal thread of the screw hole 29 of the mounting plate 13, and in the embodiment, the rotating direction of the external thread on the stud 16 is consistent with that of the external thread on the mounting plate 13.

An anode crimping metal column 17 and a cathode crimping metal ring 22 surrounding the outer ring of the anode crimping metal column 17 are fixedly arranged on the end face, pointing to the circuit board 14, of the stud 16, the anode crimping metal column 17, the cathode crimping metal ring 22 and the stud 16 are coaxially arranged, the central axes of the anode crimping metal column 17, the cathode crimping metal ring 22 and the stud 16 are overlapped, the anode crimping metal column 17 presses an anode elastic sheet 19, the anode elastic sheet 19 is pressed, the cathode crimping metal ring 22 presses a cathode elastic sheet 18, and the cathode elastic sheet 18 is pressed.

The stud 16 is provided with a first through hole 28 corresponding to the positive electrode crimping metal column 17 and a second through hole 23 corresponding to the negative electrode crimping metal ring 22, the outer end face of the positive electrode crimping metal column 17 covers the inner end opening of the first through hole 28, the outer end face of the negative electrode crimping metal ring 22 covers the inner end opening of the second through hole 23, the first through hole 28 is a central hole of the stud 16, the second through hole 23 is arranged on the side edge of the first through hole 28 in parallel, the first through hole 28 and the second through hole 23 are both longitudinal through holes, and the battery box is provided with a first through hole 27 communicated with the first through hole 28 and a second through hole 24 communicated with the second through hole 23;

the positive pole of lithium cell 11 connects anodal crimping metal column 17 through the first wire 26 that stretches into first through-hole 28, and the anodal of lithium cell 11 is welded to first wire 26 one end, and first through-hole 28 and welding anodal crimping metal column 17 are stretched into behind the first perforation 27 to the first wire 26 other end.

The negative pole of lithium cell 11 connects negative pole crimping becket 22 through the second wire 25 who stretches into second through-hole 23, and second wire 25 one end welding lithium cell 11's negative pole, the second wire 25 other end passes and stretches into second through-hole 23 and welding negative pole crimping becket 22 behind the second perforation 24.

The battery box can be detached from the casing 10, and the stud 16 can be detached from the mounting plate 13, so that the positive electrode compression joint metal column 17 is separated from the positive electrode elastic sheet 19, the positive electrode elastic sheet 19 is restored to the initial state when no load exists, the negative electrode compression joint metal ring 22 is separated from the negative electrode elastic sheet 18, and the negative electrode elastic sheet 18 is restored to the initial state when no load exists.

The mounting plate 13 and the circuit board 14 can be detached from the casing 10 for later maintenance.

Preferably, the circuit board 14 is provided with a main controller and a positioning chip, the positioning chip is connected with the main controller, and the lithium battery 11 supplies power to the main controller and the positioning chip.

Preferably, a power supply module is further arranged on the circuit board 14, the power supply module includes a 3.3V voltage stabilizer and a peripheral circuit thereof, and the model of the 3.3V voltage stabilizer is SP 6213.

The WIFI chip sends positioning information to the external base station according to a WIFI positioning technology, the external base station carries out position positioning on the WIFI chip after receiving the positioning information, the WIFI positioning technology is the prior art, and detailed description is omitted.

Preferably, the first lead 26 is welded on the positive electrode crimping metal post 17, the second lead 25 is welded on the negative electrode crimping metal ring 22, and the first lead 26 and the second lead 25 are respectively connected with the positive electrode and the negative electrode of the lithium battery 11 through connectors.

Preferably, a circular positive metal sheet 20 and a circular negative metal ring 21 are fixedly arranged on the circuit board 14, the positive metal sheet 20 and the negative metal ring 21 are both arranged on one side of the circuit board 14 facing the mounting plate 13, and the negative metal rings 21 are alternately sleeved on the outer ring of the positive metal sheet 20;

the input end of the 3.3V voltage stabilizer is respectively connected with the anode metal sheet 20 and the cathode metal ring 21, and the output end of the 3.3V voltage stabilizer is used for supplying power for the main controller and the positioning chip.

Preferably, the positive metal sheet 20 is provided with a positive elastic sheet 19, one end of the positive elastic sheet 19 is welded on the positive metal sheet 20, the negative metal ring 21 is provided with a negative elastic sheet 18, and one end of the negative elastic sheet 18 is welded on the negative metal ring 21.

Preferably, the positive electrode elastic piece 19 and the negative electrode elastic piece 18 are both stainless steel elastic pieces.

In this embodiment, the staff of wearing the safety helmet can install the battery case on casing 10 with the hand by oneself to screw up, thereby make the battery be the power supply of circuit board 14, and as the shift time when not needing the location, the staff can take off the battery case or unscrew the battery case, make anodal crimping metal column 17 and negative pole crimping becket 22 no longer with anodal shell fragment 19 and the contact of negative pole shell fragment 18, can protect the battery and no longer last the power supply, prolonged the live time of battery, the utility model discloses still to save power than traditional low-power consumption design, very big improvement battery utilization ratio.

In this embodiment, an LED lamp for indicating a power supply voltage is further disposed at an output end of the 3.3V voltage stabilizer, and an employee can determine whether the lithium battery 11 supplies power to the circuit board 14 by turning on or off the LED lamp, in this embodiment, when the LED lamp is turned on, the positive electrode crimping metal post 17 and the negative electrode crimping metal ring 22 contact the positive electrode elastic piece 19 and the negative electrode elastic piece 18, and the lithium battery 11 supplies power normally; when the LED lamp is turned off, the positive electrode crimping metal column 17 and the negative electrode crimping metal ring 22 do not contact the positive electrode elastic sheet 19 and the negative electrode elastic sheet 18, and the lithium battery 11 stops supplying power.

In this embodiment, the anode of the LED lamp is connected to the output terminal of the 3.3V regulator, the cathode of the LED lamp is connected to the ground of the output terminal of the 3.3V regulator through a resistor, and the LED lamp is used to indicate whether the output terminal of the 3.3V regulator has voltage output.

An intelligent safety helmet, solved battery and circuit board 14 and carried out the components of a whole that can function independently installation, the technical problem that the battery can be dismantled at any time, the utility model discloses an adopt double-screw bolt 16 to fix between battery case and the casing 10, can dismantle at any time, because the volume of battery case is great, can directly dismantle with the hand, it is convenient to maintain, the utility model discloses a battery case is twisting the back, can preserve as standard accessory, can not switch on the battery during preservation, has protected the electric quantity of battery, the utility model discloses a prevent that static subassembly has carried out electrostatic protection to circuit board 14, has stopped the damage of static to circuit board 14.

Claims

1. The utility model provides an intelligent safety helmet, includes back hoop (2), its characterized in that: the rear hoop (2) is provided with a positioning device (4), the positioning device (4) comprises an anti-static component, a casing (10) and a battery box which are sequentially arranged, and the anti-static component comprises an inner plastic sheet (7), a metal sheet (8) and an outer plastic sheet (9) which are sequentially and fixedly connected from inside to outside;

a circuit board (14) and a mounting plate (13) are arranged in the casing (10), a circular positive metal sheet (20) and a circular negative metal ring (21) are arranged on the circuit board (14), the negative metal ring (21) is sleeved on the outer ring of the positive metal sheet (20) at intervals, a positive elastic sheet (19) is arranged on the positive metal sheet (20), a negative elastic sheet (18) is arranged on the negative metal ring (21), and a screw hole (29) is arranged on the mounting plate (13);

the lithium battery is characterized in that a lithium battery (11) is arranged in the battery box, a stud (16) is fixedly arranged on the side edge of the battery box, the stud (16) is in threaded connection with the mounting plate (13) through a screw hole (29) of the mounting plate (13), a positive electrode crimping metal column (17) and a negative electrode crimping metal ring (22) surrounding the outer ring of the positive electrode crimping metal column (17) are fixedly arranged on the end face of one end, pointing to the circuit board (14), of the stud (16), the positive electrode crimping metal column (17) presses a positive electrode elastic sheet (19), the negative electrode crimping metal ring (22) presses a negative electrode elastic sheet (18), the stud (16) is provided with a first through hole (28) corresponding to the positive electrode crimping metal column (17) and a second through hole (23) corresponding to the negative electrode crimping metal ring (22), the positive electrode of the lithium battery (11) is connected with the positive electrode crimping metal column (17) through a first lead (26) extending into the first through hole (28), and the negative electrode of the lithium battery (11) is connected with the negative electrode crimping metal ring (22) through a second lead (25) extending into the second through hole (23) ).

2. The intelligent safety helmet of claim 1, wherein: be equipped with main control unit and location chip on circuit board (14), the location chip is connected with main control unit, lithium cell (11) are main control unit and location chip power supply.

3. The intelligent safety helmet of claim 2, wherein: the main controller is an ARM controller, the model of the ARM controller is AT75C310, the positioning chip is a WIFI chip, and the model of the WIFI chip is MT 7681.

4. The intelligent safety helmet of claim 3, wherein: the circuit board (14) is further provided with a power supply module, the power supply module comprises a 3.3V voltage stabilizer and a peripheral circuit thereof, and the model of the 3.3V voltage stabilizer is SP 6213.

5. The intelligent safety helmet of claim 1, wherein: the first lead (26) is welded on the positive electrode crimping metal column (17), the second lead (25) is welded on the negative electrode crimping metal ring (22), and the first lead (26) and the second lead (25) are respectively connected with the positive electrode and the negative electrode of the lithium battery (11) through the plug connectors.

6. The intelligent safety helmet of claim 4, wherein: the circuit board (14) is fixedly provided with a circular positive metal sheet (20) and a circular negative metal ring (21), the positive metal sheet (20) and the negative metal ring (21) are both arranged on one side of the circuit board (14) facing the mounting plate (13), and the negative metal ring (21) is sleeved on the outer ring of the positive metal sheet (20) at intervals;

the input end of the 3.3V voltage stabilizer is respectively connected with the positive metal sheet (20) and the negative metal ring (21), and the output end of the 3.3V voltage stabilizer is used for supplying power for the main controller and the positioning chip.

7. The intelligent safety helmet of claim 6, wherein: the cathode structure is characterized in that an anode elastic sheet (19) is arranged on the anode metal sheet (20), one end of the anode elastic sheet (19) is welded on the anode metal sheet (20), a cathode elastic sheet (18) is arranged on the cathode metal ring (21), and one end of the cathode elastic sheet (18) is welded on the cathode metal ring (21).

8. The intelligent safety helmet of claim 7, wherein: the positive elastic sheet (19) and the negative elastic sheet (18) are both stainless steel elastic sheets.