CN211012987U - Helmet and positioning monitoring management system - Google Patents
Helmet and positioning monitoring management system Download PDFInfo
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- CN211012987U CN211012987U CN201922016913.3U CN201922016913U CN211012987U CN 211012987 U CN211012987 U CN 211012987U CN 201922016913 U CN201922016913 U CN 201922016913U CN 211012987 U CN211012987 U CN 211012987U
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Abstract
The application belongs to the technical field of positioning, and particularly relates to a helmet and a positioning monitoring management system. The helmet comprises: the helmet comprises a helmet shell, an image acquisition device, an IMU sensor and a processor; the image acquisition device is arranged on the helmet shell and used for acquiring image data in at least one direction; the IMU sensor is arranged on the helmet shell and used for acquiring inertial information of the helmet; the processor is respectively connected with the image acquisition device and the IMU sensor and is used for acquiring the image data and the inertia information and determining the positioning information of the helmet according to the image data and the inertia information. The helmet can realize the acquisition of image data and inertial information and carry out accurate positioning based on the data. Because relevant personnel are when carrying out the task, the helmet is indispensable equipment, through integrated positioning function in the helmet, need not additionally to carry other positioning device again, it is more convenient to use.
Description
Technical Field
The application belongs to the technical field of positioning, and particularly relates to a helmet and a positioning monitoring management system.
Background
When fire-fighting and police officers execute emergency tasks in a complex large-scale indoor scene, due to the influence of various factors such as noise, fire, smoke, high temperature and the like on the site, the positions of the fire-fighting and police officers are difficult to accurately judge, and off-site commanders cannot find the track states of the officers on the site, so that the rescue difficulty and the danger coefficient are increased. In the prior art, although some high-precision indoor positioning devices exist, the indoor positioning devices are inconvenient to carry about in a complex field environment and under the condition that a user frequently exercises violently.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the present application provides a helmet and a positioning monitoring management system, so as to solve the problem that the existing indoor positioning device is inconvenient to carry about.
A first aspect of embodiments of the present application provides a helmet, which may include: the helmet comprises a helmet shell, an image acquisition device, an IMU sensor and a processor;
The image acquisition device is arranged on the helmet shell and used for acquiring image data in at least one direction;
The IMU sensor is arranged on the helmet shell and used for acquiring inertial information of the helmet;
The processor is respectively connected with the image acquisition device and the IMU sensor and is used for acquiring the image data and the inertia information and determining the positioning information of the helmet according to the image data and the inertia information.
Preferably, the helmet further comprises a GPS receiver for receiving GPS information;
The GPS receiver is arranged on the helmet shell and connected with the processor;
The processor is further configured to acquire the GPS information, and fuse the GPS information and the positioning information to obtain fused positioning information.
Optionally, the image capturing device includes at least three cameras for capturing image data in at least three different directions respectively.
Optionally, the image acquisition device comprises a four-way camera;
The first road camera is arranged at the front left part of the helmet shell and used for acquiring image data of the front left part of the helmet;
The second camera is arranged at the front right part of the helmet shell and is used for acquiring image data of the front right part of the helmet;
The third camera is arranged at the left rear part of the helmet shell and is used for acquiring image data of the left rear part of the helmet;
The fourth camera is arranged at the rear right part of the helmet shell and used for collecting image data of the rear right part of the helmet.
Optionally, the image capturing device includes a first binocular camera module and a second binocular camera module, and the first binocular camera module and the second binocular camera module each include two cameras;
The first binocular camera module is arranged at the front part of the helmet shell and used for acquiring image data in front of the helmet;
The second binocular camera module is arranged at the rear part of the helmet shell and used for acquiring image data behind the helmet.
Optionally, the image capturing device further comprises a camera disposed on the top of the helmet shell for capturing image data of the upper portion of the helmet.
Preferably, the helmet further comprises a power supply device;
The power supply device is connected with each component of the helmet and used for supplying power to each component of the helmet.
Optionally, the processor and the power supply device are fixed on the helmet or any part of the body of the user wearing the helmet.
Preferably, the helmet further comprises a wireless transmission module;
The wireless transmission module is connected with the processor and used for sending the positioning information to preset positioning monitoring management terminal equipment.
A second aspect of an embodiment of the present application provides a positioning monitoring management system, which may include: the system comprises a positioning monitoring management terminal device and more than one helmet, wherein the helmet is any one helmet;
The positioning monitoring management terminal equipment comprises a wireless transmission module and a display module;
The wireless transmission module is used for receiving the positioning information of each helmet and sending a communication instruction according to the positioning information;
The display module is used for displaying the positioning information of each helmet.
Preferably, the positioning monitoring management terminal device further comprises a calculation module;
The calculation module is used for calculating distance information among the helmets according to the positioning information of the helmets;
The display module is also used for displaying the distance information among the helmets.
Compared with the prior art, the embodiment of the application has the advantages that: an embodiment of the present application provides a helmet, includes: the helmet comprises a helmet shell, an image acquisition device, an IMU sensor and a processor; the image acquisition device is arranged on the helmet shell and used for acquiring image data in at least one direction; the IMU sensor is arranged on the helmet shell and used for acquiring inertial information of the helmet; the processor is respectively connected with the image acquisition device and the IMU sensor and is used for acquiring the image data and the inertia information and determining the positioning information of the helmet according to the image data and the inertia information. Through the helmet provided by the embodiment of the application, the acquisition of image data and inertial information can be realized, and accurate positioning can be carried out based on the data. And because fire control and police service personnel are when carrying out the task, the helmet is the indispensable equipment of hand-carrying, through integrated positioning function in the helmet, need not additionally to carry other positioning device again, it is more convenient to use.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic view of a helmet provided in an embodiment of the present application;
FIG. 2 is a schematic diagram of the distribution of three-way cameras on the helmet shell;
FIG. 3 is a schematic diagram of the distribution of four-way cameras on the helmet shell;
FIG. 4 is a schematic view of the arrangement of binocular camera modules on the helmet shell;
FIG. 5 is a schematic diagram of the distribution of five-way cameras on the helmet shell;
Fig. 6 is a schematic diagram of a positioning monitoring management system according to an embodiment of the present application.
Detailed Description
In order to make the objects, features and advantages of the present invention more apparent and understandable, the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings, and it is to be understood that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the specification of the present application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
As used in this specification and the appended claims, the term "if" may be interpreted contextually as "when", "upon" or "in response to a determination" or "in response to a detection". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".
In addition, in the description of the present application, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Fig. 1 shows a schematic view of a helmet provided in an embodiment of the present application, and only a portion related to the embodiment of the present application is shown for convenience of illustration.
As shown in fig. 1, the helmet 1 of this embodiment may include: helmet shell 10, image capture device 11, IMU sensor 12 and processor 13.
The image acquisition device is arranged 11 on the helmet shell 10 and is used for acquiring image data in at least one direction.
The image acquisition device arrangement 11 may comprise N cameras, N being a positive integer. The camera types used by each camera may be the same or different, including but not limited to various commonly used camera types in the prior art. Preferably, a fisheye camera, which generally has a wide-angle lens having a focal length of 16mm or less and an angle of view close to or equal to 180 °, can be used for each camera, and a wide range of image data can be acquired due to a wide angle of view.
The distribution of the cameras on the helmet shell 10 is related to the number of the cameras, and can be set according to actual situations, and the principle is that the wider the range of the visual field, the better.
Preferably, the image capturing device may comprise at least three cameras for capturing image data in at least three different directions, respectively.
In a specific implementation of the embodiment, the image capturing device may include three-way cameras, fig. 2 is a schematic diagram of the distribution of the three-way cameras on the helmet shell 10, which is a top view of the helmet shell 10, and as can be seen from the figure, the three-way cameras (i.e. camera #1, camera #2, camera #3 in the figure) are uniformly distributed on the helmet shell 10 at equal intervals or equal angles, preferably, the three-way cameras are respectively disposed on the front portion, the left rear portion and the right rear portion of the helmet shell 10, as shown in the figure, the camera #1 is disposed on the front portion of the helmet shell 10, the lens faces the front portion for capturing image data of the front of the helmet, the camera #2 is disposed on the left rear portion of the helmet shell 10, and the lens faces a direction obtained by rotating the lens of the camera #1 counterclockwise by 120 ° for capturing image data of the left rear of the helmet, the camera #3 is disposed at the right rear portion of the helmet shell 10, and the lens is oriented in a direction in which the lens of the camera #1 is rotated 120 ° clockwise, for capturing image data at the right rear portion of the helmet.
Of course, the three-way cameras may be arranged non-uniformly distributed on the helmet shell 10, for example, the three-way cameras may be spaced at different intervals, or the three-way cameras may be spaced at different angles, and so on.
In a specific implementation of the embodiment, the image capturing device may include four cameras, and fig. 3 is a schematic diagram of a distribution of the four cameras on the helmet shell 10, which is a top view of the helmet shell 10, and as can be seen from the figure, the four cameras (i.e. camera #1, camera #2, camera #3, camera #4 in the figure) are uniformly distributed on the helmet shell 10 at equal intervals or at equal angles, preferably, the four cameras may be respectively disposed on the left front portion, the right front portion, the left rear portion, and the right rear portion of the helmet shell 10, as shown in the figure, the first camera (i.e. camera #1 in the figure) is disposed on the left front portion of the helmet shell for capturing image data of the left front portion of the helmet; the second path of camera (i.e. camera #2 in the figure) is arranged at the front right part of the helmet shell and is used for acquiring image data of the front right part of the helmet; a third camera (i.e. camera #3 in the figure) is arranged at the left rear part of the helmet shell and is used for acquiring image data of the left rear part of the helmet; a fourth camera (i.e., camera #4 in the figure) is disposed at the rear right portion of the helmet shell for capturing image data of the rear right portion of the helmet.
Of course, the four cameras may be arranged in a non-uniform distribution on the helmet shell 10, for example, the four cameras may be spaced at different intervals, or the four cameras may be spaced at different angles, and so on.
In a specific implementation of this embodiment, the four cameras may further form two binocular camera modules, which are respectively marked as a first binocular camera module and a second binocular camera module, and the first binocular camera module and the second binocular camera module both include two cameras.
Fig. 4 is a schematic diagram of a distribution of four cameras on the helmet shell 10, which is a top view of the helmet shell 10, the four cameras are respectively denoted as camera # 1, camera # 2, camera #3, and camera #4, as can be seen from the figure, the first binocular camera module includes camera # 1 and camera # 2, and the first binocular camera module is disposed in the front of the helmet shell, and lenses of the first binocular camera module face right in front for capturing image data in front of the helmet. The second binocular camera module comprises a camera #3 and a camera #4, the second binocular camera module is arranged at the rear part of the helmet shell, and the lenses face to the right rear part and are used for collecting image data behind the helmet.
In an implementation of this embodiment, the image capturing device may include five cameras, four of the five cameras may constitute two binocular camera modules, which are respectively denoted as a first binocular camera module and a second binocular camera module, and the first binocular camera module and the second binocular camera module each include two cameras.
Fig. 5 is a schematic diagram of a distribution of five cameras on the helmet shell 10, which is a top view of the helmet shell 10, the five cameras are respectively denoted as camera # 1, camera # 2, camera #3, camera #4, and camera #5, as can be seen from the figure, the first binocular camera module includes camera # 1 and camera # 2, and the first binocular camera module is disposed in the front of the helmet shell, and lenses of the first binocular camera module face right in front for collecting image data in front of the helmet. The second binocular camera module comprises a camera #3 and a camera #4, the second binocular camera module is arranged at the rear part of the helmet shell, and the lenses face to the right rear part and are used for collecting image data behind the helmet. The remaining one camera (i.e., camera #5) is disposed at the top of the helmet shell 10 with the lens facing directly upward for capturing image data above the helmet.
It should be noted that the above description about the distribution of the cameras on the helmet shell 10 is only an example, and in actual use, other distribution situations may be set according to specific situations.
The IMU sensors 12 may be disposed on the helmet shell 10 for collecting inertial information of the helmet, including but not limited to acceleration information and angular velocity information. The IMU sensor 12 may comprise three single axis accelerometers and three single axis gyroscopes, the accelerometers detecting acceleration information of the object in three independent axes of the carrier coordinate system, and the gyroscopes detecting angular velocity information of the carrier relative to the navigation coordinate system.
The processor 13 is connected to the image acquisition device 11 and the IMU sensor 12, and configured to acquire the image data and the inertial information, and determine positioning information of the helmet according to the image data and the inertial information.
The Processor 13 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The processor 13 is preferably a small, lightweight processor, such as an intel NUC motherboard. The processor 13 may be disposed on the helmet shell 10, or may be fixed to the back or waist of the user wearing the helmet.
Preferably, the helmet 1 may further include a GPS receiver for receiving GPS information, the GPS receiver being disposed on the helmet shell 10 and connected to the processor 13. The processor 13 may also be configured to acquire the GPS information, and perform fusion processing on the GPS information and the positioning information to obtain fused positioning information.
Generally, in an indoor scene, the GPS signal is weak, and at this time, the processor 13 does not need to perform fusion processing, and may directly use the positioning information determined from the image data and the inertial information. In an outdoor scene, the signal of the GPS is strong, and at this time, the processor 13 may perform fusion processing on the GPS information and the positioning information to obtain fused positioning information. By the mode, the data of various sensors are fused and positioned, and the positioning precision can be further improved.
Further, the helmet 1 may further include a power supply device connected to various components of the helmet (including but not limited to an image capture device, an IMU sensor, a processor, a GPS receiver, a wireless transmission module, etc.) for supplying power to the various components of the helmet. The power supply device may be disposed on the helmet shell 10, or may be fixed to any part of the body of the user wearing the helmet, preferably the back or waist.
Preferably, the helmet 1 may further comprise a wireless transmission module. And the wireless transmission module of the helmet is connected with the processor 13 and used for sending the positioning information to a preset positioning monitoring management terminal device.
Optionally, the helmet 1 may further comprise a memory, which may be an internal storage unit of the helmet 1, such as a hard disk or a memory of the helmet 1. The memory may also be an external storage device of the helmet 1, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), etc. provided on the helmet 1. Further, the memory may also comprise both an internal storage unit and an external storage device of the helmet 1. The memory is used to store computer programs and data required by the helmet 1. The memory may also be used to temporarily store data that has been output or is to be output.
It will be appreciated by a person skilled in the art that the above is merely an example of the helmet 1 and does not constitute a limitation of the helmet 1, that the helmet 1 may comprise more or less components than shown, or some components may be combined, or different components, e.g. the helmet 1 may further comprise input and output devices, network access devices, buses, etc.
In summary, the helmet provided by the embodiment of the application can acquire image data and inertial information and accurately position based on the data. And because fire control and police service personnel are when carrying out the task, the helmet is the indispensable equipment of hand-carrying, through integrated positioning function in the helmet, need not additionally to carry other positioning device again, it is more convenient to use.
Fig. 6 is a schematic diagram illustrating a location monitoring management system according to an embodiment of the present application, where the location monitoring management system may include: a positioning monitoring management terminal device 2 and more than one helmet 1, wherein the helmet is any one of the helmets described above.
As shown in fig. 6, the positioning monitoring management terminal device 2 may include a wireless transmission module 21 and a display module 22.
The wireless transmission module 21 of the positioning monitoring management terminal device is configured to receive positioning information of each helmet (that is, the positioning information sent by the wireless transmission module of each helmet), and send a communication instruction to the helmet or a user wearing the helmet according to the positioning information, so as to send an instruction for immediate scheduling or danger notification according to actual needs.
the Wireless transmission module of the positioning monitoring management terminal device and each helmet can provide Communication solutions including a Wireless L Area network (wlan), a Wireless fidelity (wifi) network, bluetooth, Zigbee, a mobile Communication network, a Global Navigation Satellite System (GNSS), a Frequency Modulation (FM), a Near Field Communication (NFC), AN infrared technology, and the like, which are applied to the device.
the Mobile communication network may use any communication standard or protocol, including but not limited to Global System for Mobile communications (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), long Term Evolution (L ong Term Evolution, L TE), and the like.
the Display module 22 may include a Display panel, and optionally, the Display panel may be configured in the form of a liquid Crystal Display (L lcd), an Organic light-Emitting Diode (oled), or the like.
Preferably, the positioning monitoring management terminal device 2 may further include a computing module. The calculation module is configured to calculate distance information between the helmets according to the positioning information of the helmets, and send the distance information to the display module 22, where the display module 22 is further configured to display the distance information between the helmets.
The positioning monitoring management terminal device 2 can display real-time original images, can update and display received various information on a system interface according to a certain frequency, displays and interacts a 3D map, supports color distinguishing of maps of different scenes in the display process, supports display of dozens of pieces of helmet position information on the map, supports clicking of different positioning personnel, and calculates relative distances of the positioning personnel. The positioning monitoring management terminal device 2 also supports importing of an indoor plane map, matching and displaying of positioning information of people, displaying of positioning information of different people, such as names, speeds, traveling distances, heights, floor information and the like, on the side of the map in real time, and storing of key data of a scene map, positioning information of all people and the like.
the software system of the positioning monitoring management terminal device 2 may be divided into four layers, which are an Application layer, an Application framework layer (FWK), a system layer, and a hardware abstraction layer, which communicate with each other through a software Interface, wherein the Application layer may include a series of Application packages, the Application framework layer may provide an Application Programming Interface (API) and a Programming framework for applications of the Application layer, the Application framework layer may include predefined functions, such as functions for receiving events sent by the Application framework layer, the Application framework layer may include a window manager, a resource manager, and a notification manager, etc. the window manager may obtain a display screen size, determine whether there is a status bar, lock a screen, intercept a screen, etc. the content provider may deposit and acquire data, and make these data accessible by the Application manager, the resource manager may provide various resources, such as localization character strings, icons, video files, etc. the resource manager may be used to store and retrieve data, and make these data accessible by the Application manager, such as a graphics library, such as a graphical messages, a graphical message, a notification screen, a graphical message, a notification module, a graphical message, a message.
Optionally, the positioning monitoring management terminal device 2 may further include a Processor, which may be a Central Processing Unit (CPU), or may be other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, a discrete hardware component, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
Optionally, the positioning monitoring management terminal device 2 may further include a memory, where the memory may be an internal storage unit of the positioning monitoring management terminal device 2, for example, a hard disk or a memory of the positioning monitoring management terminal device 2. The memory may also be an external storage device of the positioning monitoring management terminal device 2, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, which are equipped on the positioning monitoring management terminal device 2. Further, the memory may also include both an internal storage unit and an external storage device of the positioning monitoring management terminal device 2. The memory is used for storing computer programs and data required by the positioning monitoring management terminal device 2. The memory may also be used to temporarily store data that has been output or is to be output.
It will be understood by those skilled in the art that the above is only an example of the positioning monitoring management terminal device 2, and does not constitute a limitation to the positioning monitoring management terminal device 2, and the positioning monitoring management terminal device 2 may include more or less components than those shown in the drawings, or combine some components, or different components, for example, the positioning monitoring management terminal device 2 may further include an input and output device, a network access device, a bus, etc.
In summary, by the positioning monitoring management system provided in the embodiment of the present application, an off-site commander can use the positioning monitoring management terminal device to know the track state of the person in the field in time, so as to facilitate scheduling and commanding.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (10)
1. A helmet, comprising: the helmet comprises a helmet shell, an image acquisition device, an IMU sensor and a processor;
The image acquisition device is arranged on the helmet shell and used for acquiring image data in at least one direction;
The IMU sensor is arranged on the helmet shell and used for acquiring inertial information of the helmet;
The processor is respectively connected with the image acquisition device and the IMU sensor and is used for acquiring the image data and the inertia information and determining the positioning information of the helmet according to the image data and the inertia information.
2. The helmet of claim 1, further comprising a GPS receiver for receiving GPS information;
The GPS receiver is arranged on the helmet shell and connected with the processor;
The processor is further configured to acquire the GPS information, and fuse the GPS information and the positioning information to obtain fused positioning information.
3. The helmet of claim 1, wherein the image capture device comprises at least three cameras for capturing image data in at least three different directions, respectively.
4. The helmet of claim 3, wherein the image capture device comprises a four-way camera;
The first road camera is arranged at the front left part of the helmet shell and used for acquiring image data of the front left part of the helmet;
The second camera is arranged at the front right part of the helmet shell and is used for acquiring image data of the front right part of the helmet;
The third camera is arranged at the left rear part of the helmet shell and is used for acquiring image data of the left rear part of the helmet;
The fourth camera is arranged at the rear right part of the helmet shell and used for collecting image data of the rear right part of the helmet.
5. The helmet of claim 1, wherein the image capture device comprises a first binocular camera module and a second binocular camera module, each of the first and second binocular camera modules comprising two cameras;
The first binocular camera module is arranged at the front part of the helmet shell and used for acquiring image data in front of the helmet;
The second binocular camera module is arranged at the rear part of the helmet shell and used for acquiring image data behind the helmet.
6. The helmet of claim 5, wherein the image capture device further comprises a camera disposed at a top of the helmet shell for capturing image data over the helmet.
7. The helmet of claim 1, further comprising a power supply device;
The power supply device is connected with each component of the helmet and used for supplying power to each component of the helmet;
The processor and the power supply device are fixed on the helmet or any part of the body of a user wearing the helmet.
8. The helmet according to any one of claims 1 to 7, further comprising a wireless transmission module;
The wireless transmission module is connected with the processor and used for sending the positioning information to preset positioning monitoring management terminal equipment.
9. A positioning monitoring management system, comprising: a positioning monitoring management terminal device and more than one helmet, wherein the helmet is the helmet in claim 8;
The positioning monitoring management terminal equipment comprises a wireless transmission module and a display module;
The wireless transmission module is used for receiving the positioning information of each helmet and sending a communication instruction according to the positioning information;
The display module is used for displaying the positioning information of each helmet.
10. The positioning monitoring management system according to claim 9, wherein the positioning monitoring management terminal device further comprises a calculation module;
The calculation module is used for calculating distance information among the helmets according to the positioning information of the helmets;
The display module is also used for displaying the distance information among the helmets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922016913.3U CN211012987U (en) | 2019-11-20 | 2019-11-20 | Helmet and positioning monitoring management system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922016913.3U CN211012987U (en) | 2019-11-20 | 2019-11-20 | Helmet and positioning monitoring management system |
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| CN211012987U true CN211012987U (en) | 2020-07-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926463A (en) * | 2019-11-20 | 2020-03-27 | 深圳市优必选科技股份有限公司 | Helmet and positioning monitoring management system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926463A (en) * | 2019-11-20 | 2020-03-27 | 深圳市优必选科技股份有限公司 | Helmet and positioning monitoring management system |
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