CN214386278U - Helmet and helmet wearing state detection system - Google Patents
Helmet and helmet wearing state detection system Download PDFInfo
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- CN214386278U CN214386278U CN202120391453.7U CN202120391453U CN214386278U CN 214386278 U CN214386278 U CN 214386278U CN 202120391453 U CN202120391453 U CN 202120391453U CN 214386278 U CN214386278 U CN 214386278U
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Abstract
The utility model provides a helmet and helmet wearing state detecting system. The helmet comprises a helmet inner shell and helmet wearing state detection equipment, wherein the helmet wearing state detection equipment is arranged on the helmet inner shell, the helmet wearing state detection equipment comprises a transmitting device and a receiving device, and the transmitting device and the receiving device are at least one; the linear distance between the receiving device and the transmitting device is more than or equal to a preset value; the transmitting end of the transmitting device transmits a signal for detecting the wearing state of the inner shell of the helmet to the receiving device. The helmet has the advantages that the helmet has a great difference in received signal strength of the receiving end when the helmet is worn or absorbs wireless signals by the head, the helmet is worn or not worn, whether the helmet is worn or not can be rapidly and simply judged by the signal strength of the receiving end, the detection scheme is more reliable, simple and accurate, and the anti-cheating capability is strong.
Description
Technical Field
The utility model relates to a detect technical field, especially relate to a helmet and helmet wearing state detecting system.
Background
In order to implement the responsibility of traffic safety bodies, the supervision department requires that riders in the industries of express delivery, take-out and the like comply with traffic regulations, and the safety helmet is worn correctly, so that the accident casualty risk is reduced. In addition, in some construction places with potential safety hazards, such as construction sites, mine sites and the like, construction personnel are forced to wear helmets.
Currently, most helmet wearing detection is performed by arranging a position sensor, such as a capacitive sensor, an infrared sensor, a piezoelectric sensor, and the like, inside the helmet. Due to the shape difference of the heads of different people, the head fitting tightness of different people wearing the helmet is different, and the condition that the sensing points cannot sense correctly exists; or in the riding process, because the tightness degree of different people wearing the helmet is different, the helmet and the head can move relatively, and the induction point can not be correctly induced.
Therefore, the reliability and accuracy of the existing helmet wearing detection technology are poor, and the safety detection requirements cannot be well met.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at overcoming not enough among the prior art, provide a helmet and helmet wearing state detecting system that can accurate detection helmet wearing state.
The utility model provides a following technical scheme:
according to an embodiment of the present invention, there is provided a helmet, including a helmet inner shell and a helmet wearing state detection device, wherein the helmet wearing state detection device is disposed on the helmet inner shell, the helmet wearing state detection device includes a transmitting device and a receiving device, and both the transmitting device and the receiving device are at least one;
the transmitting device and the receiving device are respectively arranged at different positions of the inner shell of the helmet, and the linear distance between the receiving device and the transmitting device is more than or equal to a preset value;
and the transmitting end of the transmitting device transmits a signal for detecting the wearing state of the inner shell of the helmet to the receiving device.
In some embodiments, the transmitting device comprises a signal transmitting component, a first wireless communication component, a first central processor, and a first electrical connection interface component;
the first wireless communication component and the first electric connection interface component are respectively electrically connected with the first central processing unit;
the signal transmitting assembly is electrically connected with the first wireless communication assembly;
the receiving device comprises a signal receiving component, a second wireless communication component, a second central processor and a second electric connection interface component;
the second wireless communication component and the second electric connection interface component are respectively electrically connected with the second central processing unit;
the signal receiving assembly is electrically connected with the second wireless communication assembly;
the transmitting device is electrically connected with the second electric connection interface component of the receiving device through the first electric connection interface component.
In some embodiments, the transmitting device comprises a signal transmitting component;
the receiving device comprises a signal receiving component;
the signal transmitting assembly and the signal receiving assembly are respectively electrically connected with the wireless communication assembly;
the wireless communication components are respectively electrically connected with the central processing unit;
the central processing unit is electrically connected with the power supply.
In some embodiments, the signal transmitting component in the transmitting device is a first antenna and the signal receiving component in the receiving device is a second antenna;
the first antenna is electrically connected with the first wireless communication component, and the second antenna is electrically connected with the second wireless communication component.
In some embodiments, the signal transmitting component is a first coupling coil and the signal receiving component is a second coupling coil;
the first coupling coil is electrically connected with the first wireless communication assembly; the second coupling coil is electrically connected with the second wireless communication assembly.
In some embodiments, the transmitting device and the receiving device are symmetrically arranged on two sides of the inner shell of the helmet.
In some embodiments, at least one of the transmitting device and the receiving device comprises a gesture detection component.
In some embodiments, the transmitting device and the receiving device are electrically connected to the same power source, or the transmitting device and the receiving device are respectively electrically connected to corresponding power sources.
In some embodiments, the transmitting means and/or the receiving means are further configured to wirelessly connect with a user terminal;
the user terminal comprises at least one of a mobile phone, a wearable device and a vehicle-mounted controller.
According to another embodiment of the present invention, there is provided a helmet wearing state detection system, including a user terminal and the helmet described in any one of the above.
The utility model provides a helmet, which comprises a helmet inner shell and a helmet wearing state detection device, wherein the helmet wearing state detection device is arranged on the helmet inner shell and comprises a transmitting device and a receiving device; the transmitting device and the receiving device are respectively arranged at different positions of the inner shell of the helmet, and the linear distance between the receiving device and the transmitting device is more than or equal to a preset value; and the transmitting end of the transmitting device transmits a signal for detecting the wearing state of the inner shell of the helmet to the receiving device. The helmet has the advantages that the helmet has a great difference in received signal strength of the receiving end when the helmet is worn or absorbs wireless signals by the head, the helmet is worn or not worn, whether the helmet is worn or not can be rapidly and simply judged by the signal strength of the receiving end, the detection scheme is more reliable, simple and accurate, and the cheating prevention capability is stronger.
In order to make the aforementioned and other objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 shows a block diagram of a helmet;
fig. 2 shows an internal structural view of a helmet wearing state detection apparatus;
fig. 3 is a schematic view showing another internal structure of a helmet wearing state detection apparatus;
fig. 4 is a schematic view showing an internal structure of a helmet wearing state detection apparatus to which an antenna is applied;
fig. 5 shows an internal structure diagram of a helmet wearing state detection device using a coupling coil.
Summary of reference numerals:
the helmet comprises a helmet 100, a transmitting device 110, a receiving device 120, a helmet inner shell 130, a signal transmitting component 111, a first wireless communication component 112, a first central processing unit 113, a first posture detection component 114, a first electric connection interface component 115, a signal receiving component 121, a second wireless communication component 122, a second central processing unit 123, a second posture detection component 124, a second electric connection interface component 125, a first antenna 1111, a second antenna 1211, a first coupling coil 1112, a second coupling coil 1212, a wireless communication component 132, a central processing unit 133, a posture detection component 134 and a power source 135.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the templates herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example 1
An embodiment of the present disclosure provides a helmet, as shown in fig. 1, the helmet 100 includes an inner helmet shell 130 and a helmet wearing state detection device, the helmet wearing state detection device is disposed on the inner helmet shell 130, the helmet wearing state detection device includes a transmitting device 110 and a receiving device 120, and both the transmitting device 110 and the receiving device 120 are at least one;
the transmitting device 110 and the receiving device 120 are respectively disposed at different positions of the helmet inner shell 130, and a linear distance between the receiving device 120 and the transmitting device 110 is greater than or equal to a preset value;
the transmitting end of the transmitting device 110 transmits a signal for detecting the wearing state of the inner shell of the helmet to the receiving device 120.
The helmet provided by the embodiment is used for detecting whether the helmet is in a worn state worn by a user, and the detection scheme is suitable for a helmet wearing detection scene of a person with the necessity of wearing the helmet. The existing helmet wearing detection is implemented by using different sensors, and the reliability is very low, in this embodiment, the signal transmitting device 110 and the signal receiving device 120 are arranged on the helmet inner shell 130, where the arrangement relationship between the transmitting device and the receiving device needs to be limited to implement the transmission and reception of signals. After the helmet is worn by a person, the head of the person is blocked in the middle of the two devices, the transmission of signals can be influenced, the received signals at the receiving end of the receiving device 120 are not as high as the received signals when the head of the person is not blocked, the wearing state of the helmet can be judged through the difference of the received signals, the helmet is more reliable, the user is effectively prevented from cheating through simply shielding the object, the cheating prevention capability is stronger, and the detection result is more reliable.
In an implementation, the positions of the transmitting device 110 and the receiving device 120 in fig. 1 are set at different positions of the helmet inner shell 130, and the transmitting device 110 may periodically or aperiodically transmit radio signals. The linear distance between the transmitting device 110 and the receiving device 120 corresponding to each other is not less than a preset value, the specific value can be set according to the shape and size of the helmet, the distance between the signal transmitting device and the receiving device cannot be close or too close, the signal intensity change collected by the receiving device before and after the helmet is worn is ensured to be obvious, and the wearing state of the helmet can be accurately detected.
In a specific implementation, the transmitting device and the receiving device are at least one, and optionally, one transmitting device corresponds to one receiving device; one said transmitting device corresponds to a plurality of said receiving devices; a plurality of the transmitting devices correspond to a plurality of the receiving devices; and a plurality of the transmitting devices correspond to one of the receiving devices.
In particular, when the transmitting and receiving devices are arranged, one of the schemes can be selected according to specific needs so as to enhance the reliability of detection.
In specific implementation, as shown in fig. 2, it is a schematic view of an internal structure of the helmet wearing state detection device, wherein the transmitting device 110 includes a signal transmitting component 111, a first wireless communication component 112, a first central processing unit 113, and a first electrical connection interface component 115;
the first wireless communication component 112, the first attitude detection component 114 and the first electrical connection interface component 115 are electrically connected to the first cpu 113 respectively;
the signal transmitting element 111 is electrically connected to the first wireless communication element 112.
As shown in fig. 2, the receiving device of the helmet wearing state detecting apparatus includes a signal receiving module 121, a second wireless communication module 122, a second central processing unit 123 and a second electrical connection interface module 125;
the second wireless communication component 122 and the second electrical connection interface component 125 are electrically connected to the second cpu 123 respectively;
the signal receiving element 121 is electrically connected to the second wireless communication element 122;
as shown in fig. 2, the transmitting device is electrically connected to the second electrical connection interface element 125 of the receiving device through the first electrical connection interface element 115.
The transmitting device 110 and the receiving device 120 can be electrically connected by wires through the first electrical connection interface element 115 and the second electrical connection interface element 125, and the identity can be confirmed through physical connection such as serial ports, so that early pairing is not required, and the confidentiality is enhanced.
In one embodiment, the transmitting device 110 and the receiving device 120 are electrically connected to a same power source, or the transmitting device 110 and the receiving device 120 are electrically connected to corresponding power sources, respectively.
Specifically, the transmitting device 110 and the receiving device 120 may be independently powered and respectively connected to their corresponding power supplies; the same power supply can also be used for power supply, that is, the same power supply is connected, and the transmitting device 110 and the receiving device 120 are connected by wire, so that power management is facilitated.
In particular, at least one of the transmitting device and the receiving device comprises a gesture detection component. The transmitting device comprises a gesture detection component and/or the receiving device comprises a gesture detection component. As shown in fig. 2, in the above embodiment, an alternative solution is provided, in which the transmitting device 110 includes a first posture detecting element 114, the first posture detecting element 114 is electrically connected to the first cpu 113, the receiving device 120 includes a second posture detecting element 124, and the second posture detecting element 124 is electrically connected to the second cpu 123.
The first attitude detection assembly 114 and the second attitude detection assembly 124 each include at least one of an acceleration sensor, a gyroscope, a pressure sensor, a capacitive sensing sensor, and the like. A plurality of sensors can be designed according to specific requirements to judge the motion state of the helmet, such as whether the helmet is worn or not in driving or whether the helmet is taken up for correct wearing and the like, so that cheating behaviors are further prevented, and the reliability of detection is enhanced.
In one embodiment, as shown in fig. 3, another schematic internal structure diagram of a helmet wearing state detection device is provided, where the transmitting device 110 includes a signal transmitting component 111; the receiving device 120 includes a signal receiving component 121; the signal emitting component 111 and the signal receiving component 121 are electrically connected to a wireless communication component 132 respectively; the wireless communication component is electrically connected with the central processor 133; the cpu 133 is electrically connected to the power source 135.
In the above embodiment, the transmitting and receiving sections, the signal transmitting module 111 and the signal receiving module 121 are independent, but share the wireless communication module 132, the cpu 133 and the power source 135. Specifically, the attitude detection component 134 may also be provided in the above manner.
In a specific embodiment, the transmitting device and/or the receiving device are further configured to wirelessly connect with a user terminal; the user terminal comprises at least one of a mobile phone, a wearable device and a vehicle-mounted controller. Establish through wireless mode and outside user terminal and be connected, user terminal includes the cell-phone, wearable equipment, vehicle-mounted controller etc. both can be by the cell-phone of detected person itself, also can be company or other managers install the vehicle-mounted controller etc. that is used for gathering the testing result on the vehicle specially, transmit the testing result of helmet wearing state to user terminal, can look over the monitoring helmet wearing situation immediately at user terminal, the helmet wearing state of unified management and detection personnel of being convenient for, it is very convenient.
Optionally, in an embodiment, as shown in fig. 4, an internal structure diagram of a helmet wearing state detection device applying an antenna is shown; the signal transmitting component 111 in the transmitting device 110 is a first antenna 1111, and the signal receiving component 121 in the receiving device 120 is a second antenna 1211;
the first antenna 1111 is electrically connected to the first wireless communication device 112, and the second antenna 1211 is electrically connected to the second wireless communication device 122.
In specific implementations, the transmitting device 110 and the receiving device 120 refer to wireless communication devices, and the wireless communication methods include but are not limited to bluetooth, ZigBee, NB-IoT, and the like.
In the present embodiment, by emitting a radio signal through the first antenna 1111 as shown in fig. 4, when the helmet is worn, the head of the human body absorbs a part of the radio signal, the intensity of the radio signal received by the second antenna 1211 is reduced, and the wearing state of the helmet is determined according to the received radio signal.
The transmitting and receiving wireless signals can be Bluetooth signals of a 2.4G frequency band, the strength of the Bluetooth signals of the 2.4G frequency band is very weak, and no harm is caused to human bodies. The wireless signal can also be other radio frequency band signals which have small power, are harmless to the human body and can be effectively attenuated by the human body, so that whether the helmet is worn or not is judged.
In one embodiment, fig. 5 is a schematic diagram of an internal structure of a helmet wearing state detection device using a coupling coil. The signal transmitting component 111 is a first coupling coil 1112, and the signal receiving component 121 is a second coupling coil 1212;
the first coupling coil 1112 is electrically connected to the first wireless communication component 112; the second coupling coil 1212 is electrically connected to the second wireless communication component 122.
Specifically, in the present embodiment, the transmitting device 110 and the receiving device 120 are symmetrically disposed on two sides of the inner shell of the helmet. The transmitting device 110 and the receiving device 120 are symmetrically arranged at two ends by taking the central axis of the helmet as a reference, so that the helmet wearing state detection equipment can obtain a better signal receiving effect.
In specific implementation, the transmitting device 110 uses a coupling coil, and may be equipped with a magnetic sheet to enhance the effect according to the requirement, and when the device is in operation, a variable alternating current signal is applied to the transmitting end to generate a variable magnetic field, and the coil of the receiving end converts the variable magnetic field into a current (according to faraday's law of electromagnetic induction). The magnetic flux is influenced by adding the barriers between the coils, the barriers are different, the influence quantity of the magnetic flux is also different, and the induction intensity of the receiving end is further influenced.
In the present embodiment, it is possible to determine whether or not a person wears a helmet, and also to recognize whether or not the person wears the helmet, based on the difference in the influence of the head on the magnetic flux. The magnetic flux intensity test can be realized only by firstly testing the magnetic flux intensity of the user after the user wears the product and storing the magnetic flux intensity in the product when the user uses the product for the first time.
Example 2
On the basis of the above embodiments, embodiments of the present disclosure provide a helmet wearing state detection system, which includes a user terminal and the helmet described in embodiment 1.
Above-mentioned this application embodiment provides a helmet wearing state detecting system, whether be used for detecting the helmet and normally worn by the people, signal emission device 110 and receiving arrangement 120 have been set up at the helmet inner shell, carry out the transmission and the receipt of signal, after the people wears the helmet, the separation in the middle of two devices of people's head, can influence the transmission of signal, it is great not as the signal intensity who receives when there is not the separation of people's head at receiving arrangement 120 receiving terminal received signal, the wearing state of helmet can be judged through the difference of received signal, it is more reliable, can't cheat through sheltering from simply, prevent that cheating ability is stronger, make the testing result more reliable. Reference may be made to the above specific implementation of the helmet, and details are not repeated here.
In all examples shown and described herein, any particular value should be construed as merely exemplary, and not as a limitation, and thus other examples of example embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above-described embodiments are merely illustrative of several embodiments of the present invention, which are described in detail and specific, but not intended to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (10)
1. A helmet is characterized by comprising a helmet inner shell and helmet wearing state detection equipment, wherein the helmet wearing state detection equipment is arranged on the helmet inner shell, the helmet wearing state detection equipment comprises a transmitting device and a receiving device, and the transmitting device and the receiving device are at least one;
the transmitting device and the receiving device are respectively arranged at different positions of the inner shell of the helmet, and the linear distance between the receiving device and the transmitting device is more than or equal to a preset value;
the transmitting device transmits a signal for detecting the wearing state of the inner shell of the helmet to the receiving device.
2. The helmet of claim 1, wherein the transmitting device comprises a signal transmitting assembly, a first wireless communication assembly, a first central processing unit, and a first electrical connection interface assembly;
the first wireless communication component and the first electric connection interface component are respectively electrically connected with the first central processing unit;
the signal transmitting assembly is electrically connected with the first wireless communication assembly;
the receiving device comprises a signal receiving component, a second wireless communication component, a second central processor and a second electric connection interface component;
the second wireless communication component and the second electric connection interface component are respectively electrically connected with the second central processing unit;
the signal receiving assembly is electrically connected with the second wireless communication assembly;
the transmitting device is electrically connected with the second electric connection interface component of the receiving device through the first electric connection interface component.
3. The helmet of claim 1, wherein the transmitting device comprises a signal transmitting assembly;
the receiving device comprises a signal receiving component;
the signal transmitting assembly and the signal receiving assembly are respectively electrically connected with the wireless communication assembly;
the wireless communication assembly is electrically connected with the central processing unit;
the central processing unit is electrically connected with the power supply.
4. The helmet of claim 2, wherein the signal transmitting component of the transmitting device is a first antenna, and the signal receiving component of the receiving device is a second antenna;
the first antenna is electrically connected with the first wireless communication component, and the second antenna is electrically connected with the second wireless communication component.
5. The helmet of claim 2, wherein the signal transmitting component is a first coupling coil and the signal receiving component is a second coupling coil;
the first coupling coil is electrically connected with the first wireless communication assembly;
the second coupling coil is electrically connected with the second wireless communication assembly.
6. The helmet of claim 5, wherein the transmitting device and the receiving device are symmetrically disposed on two sides of the inner helmet shell.
7. A helmet according to claim 2 or 3, wherein at least one of the transmitting means and the receiving means comprises a gesture detection assembly.
8. The helmet of claim 2, wherein the transmitting device and the receiving device are electrically connected to a same power source, or the transmitting device and the receiving device are electrically connected to corresponding power sources, respectively.
9. The helmet according to claim 1, characterized in that the transmitting means and/or the receiving means are also used for wireless connection with a user terminal;
the user terminal comprises at least one of a mobile phone, a wearable device and a vehicle-mounted controller.
10. A helmet wearing state detection system comprising a user terminal and a helmet according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120391453.7U CN214386278U (en) | 2021-02-22 | 2021-02-22 | Helmet and helmet wearing state detection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120391453.7U CN214386278U (en) | 2021-02-22 | 2021-02-22 | Helmet and helmet wearing state detection system |
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| CN214386278U true CN214386278U (en) | 2021-10-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116129599A (en) * | 2022-12-23 | 2023-05-16 | 北京广监云科技有限公司 | Special system equipment for alarming illegal climbing operation through video analysis |
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2021
- 2021-02-22 CN CN202120391453.7U patent/CN214386278U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116129599A (en) * | 2022-12-23 | 2023-05-16 | 北京广监云科技有限公司 | Special system equipment for alarming illegal climbing operation through video analysis |
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