CN113624266A - Low-cost helmet wearing detection device and method - Google Patents
Low-cost helmet wearing detection device and method Download PDFInfo
- Publication number
- CN113624266A CN113624266A CN202110957706.7A CN202110957706A CN113624266A CN 113624266 A CN113624266 A CN 113624266A CN 202110957706 A CN202110957706 A CN 202110957706A CN 113624266 A CN113624266 A CN 113624266A
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- Prior art keywords
- helmet
- capacitance
- copper foil
- detection mechanism
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/24—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
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- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/0406—Accessories for helmets
- A42B3/0433—Detecting, signalling or lighting devices
- A42B3/0466—Means for detecting that the user is wearing a helmet
Abstract
The invention relates to the technical field of detection, in particular to a low-cost helmet wearing detection device, which comprises a fixing frame, a bulge, a capacitance detection mechanism, an insulating layer and a copper foil, wherein: the bulges are fixedly connected to the fixing frame, the bulges are clamped in the helmet, the capacitance detection mechanism is fixedly connected to the fixing frame, the insulating layer is fixedly connected to the edge position of the inner side of the fixing frame, and the copper foil is fixedly connected to the inside of the insulating layer. The invention also provides a detection method of the low-cost helmet wearing detection device. According to the invention, when a person wears the helmet, the measured induction capacitance is a larger value, the two numerical values are compared to judge whether the helmet is worn, the capacitance detection mechanism sends information about whether the helmet is worn to the main control board of the electric vehicle through Bluetooth, the helmet wearing detection process is completed, and the person can be detected whether the helmet is worn and is not easy to be interfered.
Description
Technical Field
The invention relates to the technical field of detection, in particular to a low-cost helmet wearing detection device and method.
Background
With the improvement of the traffic laws of all regions, more and more local governments issue electric vehicle management regulations, and the operators of the shared electric vehicles are required to take social responsibility and standardize users to safely use the shared electric vehicles, and the users must wear helmets when using the shared electric vehicles. Obviously, in the future, the shared electric vehicle not only needs to be provided with a helmet along with the vehicle, but also needs to detect whether the user wears the helmet in real time and feed back the helmet to the electric vehicle, so that the user can normally use the electric vehicle only by wearing the helmet.
The existing technologies in the market are mainly divided into two types, the first type is based on an RFID technology, an electronic tag is arranged on a helmet, a reader is integrated at a position where the helmet is arranged on an electric vehicle, when the helmet is arranged on the electric vehicle, the reader can identify the electronic tag in the helmet, and when the helmet is taken away, the separation of the helmet and the electric vehicle can be detected; the second is a machine vision detection technology, a machine vision detection system utilizes a camera to acquire images of the upper half body of a rider in real time, and utilizes a trained model to identify the images.
Disclosure of Invention
The invention aims to solve the defects that whether a helmet is worn really cannot be detected and the helmet is easy to interfere in the prior art, and provides a low-cost helmet wearing detection device and method.
In order to achieve the purpose, the invention adopts the following technical scheme:
the design is a detection device is worn to low-cost helmet, including mount, arch, electric capacity detection mechanism, insulating layer and copper foil, wherein:
the bumps are fixedly connected to the fixing frame, the bumps are clamped in the helmet, the capacitance detection mechanism is fixedly connected to the fixing frame, the insulating layer is fixedly connected to the position of the edge of the inner side of the fixing frame, and the copper foil is fixedly connected to the inside of the insulating layer.
Preferably, the capacitance detection mechanism comprises a first groove, a bluetooth main control board, a battery block and a sealing cover, the first groove is formed in the fixing frame, the bluetooth main control board is fixedly connected to the first groove, the bluetooth main control board is connected with the copper foil through a wire, the battery block is connected to the first groove, and the battery block is connected with the bluetooth main control board through a wire.
Preferably, the protection pad further comprises an elastic pad, a sterilization layer and a heat dissipation layer, the elastic pad is fixedly connected to the fixed frame, the sterilization layer is fixedly connected to the elastic pad, and the heat dissipation layer is fixedly connected to the sterilization layer.
Preferably, the sterilization layer is a silver fiber cloth layer.
Preferably, the heat dissipation layer is a cotton cloth layer.
The invention also provides a detection method of the low-cost helmet wearing detection device, which comprises the following steps:
s1: the detection mechanism is arranged in the helmet, and the induction capacitance of the copper foil is detected for the first time under the condition that the helmet is not worn through the induction capacitance formed by the copper foil and the ground;
s2: setting the measured data as an initial comparison value in the capacitance detection mechanism;
s3: wearing the helmet, detecting the induction capacitance value again by the copper foil, and comparing the detected induction capacitance value with the initial value comparison value by the capacitance detection mechanism;
s4: when the detected induction capacitance value is larger than the initial value comparison value, the helmet is determined to be worn, and the capacitance detection mechanism sends the induction capacitance value to a main control board of the electric vehicle through Bluetooth to complete a helmet wearing detection process.
The invention provides a low-cost helmet wearing detection device and a method, which have the beneficial effects that:
carry out the first time detection to the induced capacitance of copper foil piece earlier under the condition is not worn to the helmet, electric capacity detection mechanism notes this induced capacitance's small value, come with this value and make the comparison with the induced capacitance value who measures when wearing the helmet, when the people wears the helmet, the induced capacitance who measures is the great value, two numerical value comparisons just can judge whether the helmet is worn, electric capacity detection mechanism sends the main control board for the electric motor car through the bluetooth with the information that the helmet was worn, it wears the detection flow to accomplish the helmet, whether detectable personnel take the helmet, and be difficult for receiving the interference.
Drawings
Fig. 1 is a first structural schematic diagram of a low-cost helmet wearing detection device and method according to the present invention;
fig. 2 is a schematic structural diagram of a low-cost helmet wearing detection device and method according to the present invention;
fig. 3 is a schematic cross-sectional structural diagram of a low-cost helmet wearing detection device and method according to the present invention.
In the figure: the device comprises a fixed frame 1, a protrusion 2, a helmet 3, a capacitance detection mechanism 4, an insulating layer 5, a copper foil 6, a protective pad 7, a first groove 41, a Bluetooth main control board 42, a battery block 43, a sealing cover 44, an elastic pad 71, a sterilization layer 72 and a heat dissipation layer 73.
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.
Example 1
Referring to fig. 1-3, a low-cost helmet wearing detection device comprises a fixing frame 1, a protrusion 2, a capacitance detection mechanism 4, an insulating layer 5 and a copper foil 6, wherein:
protruding 2 fixed connection is on mount 1, protruding 2 is used for fixing mount 1 in helmet 3, protruding 2 joint is to helmet 3 in, electric capacity detection mechanism 4 fixed connection is on mount 1, electric capacity detection mechanism 4 is used for detecting the induction capacitance of copper foil piece 6, side edge position department fixed connection insulating layer 5 in mount 1, insulating layer 5 is used for avoiding mutual interference between copper foil piece 6, copper foil piece 6 fixed connection is in insulating layer 5, copper foil piece 6 is equipped with a plurality of, the interval between copper foil piece 6 is greater than 1cm, zero clearance between insulating layer 5 and the copper foil piece 6, copper foil piece 6 passes through wire connection electric capacity detection mechanism 4.
The working process is as follows: the inductive capacitance who constitutes copper foil 6 and earth is superimposed to the inductive capacitance who constitutes human and earth, can make total inductive capacitance increase, earlier carry out the first detection to the inductive capacitance of copper foil 6 under the condition is not worn to helmet 3, capacitive detection mechanism 4 notes this inductive capacitance's small value, compare with this value with the inductive capacitance who measures when wearing the helmet, when the helmet is worn to the people, the inductive capacitance who surveys is the great value, two numerical value comparisons just can judge whether helmet 3 wears, capacitive detection mechanism 4 sends the information of wearing the helmet through the bluetooth and gives the main control board of electric motor car, it wears the detection flow to accomplish the helmet.
Example 2
Referring to fig. 1-3, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the capacitance detection mechanism 4 includes a first groove 41, a bluetooth main control board 42, a battery block 43 and a sealing cover 44, the first groove 41 is formed on the fixing frame 1, the bluetooth main control board 42 is fixedly connected to the first groove 41, the bluetooth main control board 42 is used to record an induced capacitance value of the copper foil 6, and compared with the induced capacitance value measured when the helmet is worn, the bluetooth main control board 42 sends information on whether the helmet 3 is worn to a main control board of the electric vehicle through bluetooth, the bluetooth main control board 42 is connected to the copper foil 6 through a wire, the battery block 43 is connected to the first groove 41, the battery block 43 provides electric energy for the bluetooth main control board 42 to work, and the battery block 43 is connected to the bluetooth main control board 42 through a wire.
Example 3
Referring to fig. 1-3, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the present invention further includes a protection pad 7, the protection pad 7 includes an elastic pad 71, a sterilization layer 72 and a heat dissipation layer 73, the elastic pad 71 is fixedly connected to the fixing frame 1, the elastic pad 71 is used for reducing the collision strength between the head of the wearer and the fixing frame 1, the elastic pad 71 is a sponge pad, the sterilization layer 72 is fixedly connected to the elastic pad 71, the sterilization layer 72 is used for reducing bacteria on the elastic pad 71, the sterilization layer 72 is a silver fiber cloth layer, the heat dissipation layer 73 is fixedly connected to the sterilization layer 72, the heat dissipation layer 73 is used for enhancing the heat dissipation effect of the protection pad 7, and the heat dissipation layer 73 is a cotton cloth layer.
The invention also provides a detection method of the low-cost helmet wearing detection device, which comprises the following steps:
s1: the detection mechanism is arranged in the helmet, and the induction capacitance of the copper foil is detected for the first time under the condition that the helmet is not worn through the induction capacitance formed by the copper foil and the ground;
s2: setting the measured data as an initial comparison value in the capacitance detection mechanism;
s3: wearing the helmet, detecting the induction capacitance value again by the copper foil, and comparing the detected induction capacitance value with the initial value comparison value by the capacitance detection mechanism;
s4: when the detected induction capacitance value is larger than the initial value comparison value, the helmet is determined to be worn, and the capacitance detection mechanism sends the induction capacitance value to a main control board of the electric vehicle through Bluetooth to complete a helmet wearing detection process.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a detection device is worn to low-cost helmet, its characterized in that, includes mount (1), arch (2), electric capacity detection mechanism (4), insulating layer (5) and copper foil piece (6), wherein:
protruding (2) fixed connection to on mount (1), protruding (2) joint is to helmet (3) in, electric capacity detection mechanism (4) fixed connection to on mount (1), the inboard marginal position department fixed connection of mount (1) insulating layer (5), copper foil (6) fixed connection to in insulating layer (5).
2. The detection device is worn on a low-cost helmet according to claim 1, wherein the capacitance detection mechanism (4) comprises a first groove (41), a bluetooth main control board (42), a battery block (43) and a sealing cover (44), the first groove (41) is formed in the fixing frame (1), the bluetooth main control board (42) is fixedly connected to the first groove (41), the bluetooth main control board (42) is connected to the copper foil (6) through a wire, the battery block (43) is connected to the first groove (41), and the battery block (43) is connected to the bluetooth main control board (42) through a wire.
3. The low-cost helmet wearing detection device according to claim 1, further comprising a protection pad (7), wherein the protection pad (7) comprises an elastic pad (71), an antibacterial layer (72) and a heat dissipation layer (73), the elastic pad (71) is fixedly connected to the fixing frame (1), the antibacterial layer (72) is fixedly connected to the elastic pad (71), and the heat dissipation layer (73) is fixedly connected to the antibacterial layer (72).
4. A low cost helmet fit detection device according to claim 3 wherein said sterilization layer (72) is a layer of silver fiber cloth.
5. A low cost helmet fit detection device according to claim 3, wherein the heat dissipation layer (73) is a cotton cloth layer.
6. The detection method of the low-cost helmet wearing detection device according to one of claims 1 to 5, characterized by comprising the following steps:
s1: the detection mechanism is arranged in the helmet, and the induction capacitance of the copper foil is detected for the first time under the condition that the helmet is not worn through the induction capacitance formed by the copper foil and the ground;
s2: setting the measured data as an initial comparison value in the capacitance detection mechanism;
s3: wearing the helmet, detecting the induction capacitance value again by the copper foil, and comparing the detected induction capacitance value with the initial value comparison value by the capacitance detection mechanism;
s4: when the detected induction capacitance value is larger than the initial value comparison value, the helmet is determined to be worn, and the capacitance detection mechanism sends the induction capacitance value to a main control board of the electric vehicle through Bluetooth to complete a helmet wearing detection process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110957706.7A CN113624266A (en) | 2021-08-19 | 2021-08-19 | Low-cost helmet wearing detection device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110957706.7A CN113624266A (en) | 2021-08-19 | 2021-08-19 | Low-cost helmet wearing detection device and method |
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| CN113624266A true CN113624266A (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110957706.7A Pending CN113624266A (en) | 2021-08-19 | 2021-08-19 | Low-cost helmet wearing detection device and method |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105581411A (en) * | 2016-01-26 | 2016-05-18 | 大唐国际发电股份有限公司重庆分公司 | Intelligent safety helmet and personnel location management system and method |
| CN111053317A (en) * | 2020-01-08 | 2020-04-24 | 东莞市吉声科技有限公司 | Helmet wearing detection device and monitoring system thereof |
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2021
- 2021-08-19 CN CN202110957706.7A patent/CN113624266A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105581411A (en) * | 2016-01-26 | 2016-05-18 | 大唐国际发电股份有限公司重庆分公司 | Intelligent safety helmet and personnel location management system and method |
| CN111053317A (en) * | 2020-01-08 | 2020-04-24 | 东莞市吉声科技有限公司 | Helmet wearing detection device and monitoring system thereof |
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