CN113757578A - UWB accurate positioning intelligent miner's lamp based on 4G, WIFI communication network - Google Patents
UWB accurate positioning intelligent miner's lamp based on 4G, WIFI communication network Download PDFInfo
- Publication number
- CN113757578A CN113757578A CN202111072967.7A CN202111072967A CN113757578A CN 113757578 A CN113757578 A CN 113757578A CN 202111072967 A CN202111072967 A CN 202111072967A CN 113757578 A CN113757578 A CN 113757578A
- Authority
- CN
- China
- Prior art keywords
- uwb
- belt
- miner
- mine
- lamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L4/00—Electric lighting devices with self-contained electric batteries or cells
- F21L4/005—Electric lighting devices with self-contained electric batteries or cells the device being a pocket lamp
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/40—Lighting for industrial, commercial, recreational or military use
- F21W2131/402—Lighting for industrial, commercial, recreational or military use for working places
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses a UWB accurate positioning intelligent miner lamp based on a 4G, WIFI communication network, and relates to the technical field of miner lamps. The mine lamp comprises a mine lamp body and a UWB (ultra wide band) tag arranged on the mine lamp body, wherein the UWB tag broadcasts UWB signals outwards at intervals of a first period; the miner lamp body comprises a miner cap; the mining lamp is arranged on the miner cap, a shell is arranged on the outer back side surface of the mining lamp, a controller and a first power supply module which are connected with the mining lamp are arranged in the shell, and a UWB (ultra wide band) tag and a communication module which are connected with the controller are arranged in the shell; the miner lamp body also comprises a belt, and a belt bag is movably arranged on the outer side of the belt; the waistband package is including the body, has placed the second power module in the package body, and second power module passes through wire electric connection with first power module. According to the mine lamp, the UWB tag is arranged on the mine lamp, and the UWB base station and the communication module are arranged, so that when an accident occurs in the mine, the position information of personnel in the mine can be conveniently and timely acquired.
Description
Technical Field
The invention belongs to the technical field of miner lamps, and particularly relates to a UWB accurate positioning intelligent miner lamp based on a 4G, WIFI communication network.
Background
At present, the traditional miner lamp worn by coal mine staff only has an illumination function and does not have a video monitoring function, a gas monitoring function, a voice communication function, a positioning function and an information receiving and sending function. The disaster accidents in mines are frequently caused by the reason that most of the disasters are caused by incapability of supervision and violation of operation of miners.
When a disaster accident occurs or is about to occur in a mine, and when a mine rescue team carries out rescue, the trapped position of a mineworker cannot be determined, and environmental information at the trapped position cannot be acquired. This results in wasted time for rescue work and the loss of optimal rescue time.
Disclosure of Invention
The invention aims to provide a UWB accurate positioning intelligent miner lamp based on a 4G, WIFI communication network, which solves the problem that the position of a miner cannot be determined in the prior art and the problem that the safety of operation under a mine is low by arranging a UWB tag on the miner lamp.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a UWB accurate positioning intelligent miner lamp based on a 4G, WIFI communication network, which comprises a miner lamp body and a UWB tag arranged on the miner lamp body, wherein the UWB tag outwards broadcasts UWB signals at a first period; the miner lamp body comprises a miner cap; the mining lamp is installed on the miner cap, a shell is arranged on the outer back side face of the mining lamp, a controller and a first power supply module which are connected with the mining lamp are arranged in the shell, and a UWB (ultra wide band) tag and a communication module which are connected with the controller are arranged in the shell; the miner lamp body further comprises a waistband, and a waistband bag is movably arranged on the outer side of the waistband; the waistband comprises a waistband body, and a first connecting piece and a second connecting piece which are matched with each other are respectively arranged at two ends of the waistband body; the waistband bag comprises a bag body, a second power supply module is placed in the bag body, and the second power supply module is electrically connected with the first power supply module through a lead; and one side of the bag body is at least provided with two annular fixing pieces which can be used for the belt to penetrate through and can slide along the length direction of the belt.
Further, the communication module comprises one or more of a 5G communication module, a 4G communication module, a radio frequency module and a WIFI module.
Further, a USB interface is arranged on the second power supply module, and a typeC interface is arranged on the first power supply module; the second power supply module is electrically connected with the first power supply module through a data line.
Furthermore, the intelligent mine lamp also comprises a plurality of UWB base stations which are fixed at preset positions in the mine, and the plurality of UWB base stations obtain the distance between each UWB base station and the UWB tag based on UWB signals broadcasted by the UWB tag respectively; and a server connected to the plurality of UWB base stations, respectively, the server positioning the UWB tag based on distances between the plurality of UWB base stations and the UWB tag.
Furthermore, the belt body comprises a cow leather belt positioned in the middle, two ends of the cow leather belt are respectively connected with a first cloth belt, the end part of the first cloth belt is connected with an elastic telescopic belt, and the end part of the elastic telescopic belt is connected with a second cloth belt; the end part of the second cloth belt is connected with a first connecting piece or a second connecting piece.
Furthermore, a first connecting belt is fixed on each of the two first cloth belts, and a second connecting belt matched with the first connecting belt is fixed on each of the two second cloth belts; and the first connecting belt and the second connecting belt are respectively provided with a first magic tape and a second magic tape which are matched with each other.
Further, the annular fixing piece comprises a [ -shaped plate fixed on the bag body; one open end of the [ -shaped plate is fixedly connected with a tightening belt, and the other open end of the [ -shaped plate is provided with a hole for the tightening belt to penetrate through; the outer side surface of the tightening belt is provided with a third magic tape, and the end part of the tightening belt is provided with a fourth magic tape matched with the third magic tape; the inner bottom side of the [ -shaped plate is provided with a hemispherical sliding bulge.
Furthermore, a detection device for detecting the surrounding environment is arranged on the outer peripheral side of the miner cap; the detection device comprises a video acquisition module arranged at the front end of the miner cap and is used for shooting underground images in real time; the gas monitoring device is arranged on two sides of the miner cap and used for detecting the gas concentration under the mine in real time along with the movement of miners, and the oxygen monitoring device is used for detecting the oxygen concentration under the mine.
Furthermore, the first connecting piece is a U-shaped frame fixed at one end of the belt body, a base plate is arranged at the end of the U-shaped frame, a plurality of rectangular openings are arranged on one edge side of the base plate at equal intervals along the length direction of the base plate, and the bottom side surface of each rectangular opening is connected with a circular opening;
the second connecting piece is a rectangular frame fixed at another tip of area body, the outside of rectangular frame be provided with the first spliced pole that rectangle opening quantity is the same, the end connection of first spliced pole has a second spliced pole, the end connection of two spliced poles has a circular limiting plate.
Further, the width of the rectangular opening is between the second connecting column and the first connecting column, and the diameter of the second connecting column is larger than that of the first connecting column; the diameter of the circular hole is smaller than that of the circular limiting plate and larger than that of the second connecting column.
The invention has the following beneficial effects:
according to the mine lamp, the UWB tag is arranged on the mine lamp, the UWB base station and the communication module are arranged, so that when an accident occurs in a mine, the position information of a person in the mine can be conveniently and timely acquired, the environment information of the position of the person in the mine can be conveniently mastered in real time through the arrangement of the video acquisition module, the gas monitoring device and the oxygen monitoring device, and the position information of the person in the mine can be acquired through environment information analysis to a certain extent.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the main body of the miner's lamp of the invention;
FIG. 2 is a schematic illustration of a waistband construction of the present invention;
FIG. 3 is a schematic view of a loop fastener construction of the present invention;
FIG. 4 is a schematic structural view illustrating a connection state of a first connecting member and a second connecting member according to the present invention;
FIG. 5 is a schematic front view of the structure of FIG. 4 according to the present invention.
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. 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 invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1-5, the invention is a UWB accurate positioning intelligent mine lamp based on 4G, WIFI communication network, comprising a mine lamp body, UWB tags arranged on the mine lamp body, the UWB tags broadcasting UWB signals outwards at intervals of a first period; the miner lamp body comprises a miner cap 1; the mining lamp 11 is installed on the miner cap 1, a shell 12 is arranged on the outer back side face of the mining lamp 11, a controller and a first power supply module which are connected with the mining lamp 11 are arranged in the shell 12, a UWB (ultra wide band) tag and a communication module which are connected with the controller are arranged in the shell, and the communication module comprises a 4G communication module and a WIFI (wireless fidelity) module; the miner lamp body also comprises a belt, and a belt bag 3 is movably arranged on the outer side of the belt; the waistband comprises a belt body 21, wherein a first connecting piece 22 and a second connecting piece 23 which are matched with each other are respectively arranged at two ends of the belt body 21; the belt pack 3 comprises a pack body 31, wherein a second power supply module is placed in the pack body 31 and is electrically connected with the first power supply module through a lead; and at least two annular fixing pieces 32 which can be used for the belt to penetrate through and can slide along the length direction of the belt are arranged on one side of the bag body 31.
A USB interface is arranged on the second power supply module, and a typeC interface is arranged on the first power supply module; through data line electric connection between second power module and the first power module, through the setting of two power module, improve holistic power supply duration, and second power module is as stand-by power supply, avoids all setting up on miner's helmet 1, causes miner's helmet 1 heavy weight.
The intelligent miner lamp also comprises a plurality of UWB base stations which are fixed on preset positions in the mine, and the plurality of UWB base stations are respectively based on UWB signals broadcasted by the UWB tags to obtain the distance between each UWB base station and the UWB tag; and a server connected to the plurality of UWB base stations, respectively, the server positioning the UWB tag based on distances between the plurality of UWB base stations and the UWB tag.
The belt body 21 comprises a cowhide belt 211 positioned in the middle, two ends of the cowhide belt 211 are respectively connected with a first cloth belt 212, the end part of the first cloth belt 212 is connected with an elastic telescopic belt 213, and the end part of the elastic telescopic belt 213 is connected with a second cloth belt 214; the end part of the second cloth belt 214 is connected with the first connecting piece 22 or the second connecting piece 23; the two first cloth belts 212 are fixed with first connecting belts 215, and the two second cloth belts 214 are fixed with second connecting belts 216 matched with the first connecting belts 215; first magic subsides 217 and second magic subsides 218 of mutually supporting are provided with respectively on first connecting band 215 and the second connecting band 216, through the setting of first connecting band 215, second connecting band 216 and elastic expansion band 213, conveniently adjust the overall length of area body 21 and tie up the tight degree of tying up the human waist position.
The ring-shaped fixing member 32 comprises a "[" shaped plate 33 fixed to the bag body 31; one open end of the [ -shaped plate 33 is fixedly connected with a tightening belt 34, and the other open end of the [ -shaped plate 33 is provided with an opening 38 for the tightening belt 34 to penetrate through; the outer side surface of the tightening strap 34 is provided with a third magic tape 35, and the end part of the tightening strap 34 is provided with a fourth magic tape 36 matched with the third magic tape 35; the inner bottom side of the "[" form 33 is provided with a hemispherical sliding protrusion 37.
The peripheral side of the miner cap 1 is also provided with a detection device for detecting the surrounding environment; the detection device comprises a video acquisition module arranged at the front end of the miner cap 1 and is used for shooting underground images in real time; the gas monitoring devices are arranged on two sides of the miner cap 1 and used for detecting the gas concentration under a mine in real time along with the movement of miners, and the oxygen monitoring devices are used for detecting the oxygen concentration under the mine; through the arrangement of the video acquisition module, the gas monitoring device and the oxygen monitoring device, the environment information of the positions where the personnel are located in the mine can be conveniently mastered in real time, and the position information of the personnel in the mine can be obtained through analysis of the environment information to a certain extent.
The first connecting member 22 is a U-shaped frame 221 fixed at one end of the belt body 21, the end of the U-shaped frame 221 is provided with a substrate 222, one edge side of the substrate 222 is provided with a plurality of rectangular openings 223 at equal intervals along the length direction thereof, and the bottom side of the rectangular openings 223 is connected with a circular opening 224; the second connecting member 23 is a rectangular frame 231 fixed to the other end of the belt body 21, the outer side of the rectangular frame 231 is provided with first connecting posts 232 with the same number as the rectangular openings 223, the end of the first connecting post 232 is connected with a second connecting post 233, and the end of the second connecting post 233 is connected with a circular limiting plate 234. The width of the rectangular opening 223 is between the second connecting column 232 and the first connecting column 232, and the diameter of the second connecting column 233 is larger than that of the first connecting column 232; the diameter of the circular opening 224 is smaller than the diameter of the circular limiting plate 234 and larger than the diameter of the second connecting column 233. Through the arrangement of the first connecting piece 22 and the second connecting piece 23, the belt bodies 21 are conveniently butted together so as to tie the whole waistband at the waist position of a human body.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. UWB accurate positioning intelligence miner's lamp based on 4G, WIFI communication network, its characterized in that: the mine lamp comprises a mine lamp body and a UWB tag arranged on the mine lamp body, wherein the UWB tag broadcasts UWB signals outwards at intervals of a first period;
the miner lamp body comprises a miner cap (1); the miner lamp (11) is installed on the miner cap (1), a shell (12) is arranged on the outer back side face of the miner lamp (11), a controller and a first power supply module which are connected with the miner lamp (11) are arranged in the shell (12), and a UWB tag and a communication module which are connected with the controller are arranged in the shell;
the miner lamp body further comprises a waistband, and a waistband bag (3) is movably arranged on the outer side of the waistband;
the waistband comprises a waistband body (21), wherein a first connecting piece (22) and a second connecting piece (23) which are matched with each other are respectively arranged at two ends of the waistband body (21);
the belt pack (3) comprises a pack body (31), a second power supply module is placed in the pack body (31), and the second power supply module is electrically connected with the first power supply module through a lead; and one side of the bag body (31) is at least provided with two annular fixing pieces (32) which can be used for the belt to penetrate through and can slide along the length direction of the belt.
2. The UWB accurate positioning intelligent mine lamp based on a 4G, WIFI communication network, wherein the communication module comprises one or more of a 5G communication module, a 4G communication module, a radio frequency module and a WIFI module.
3. The UWB accurate positioning intelligent mine lamp based on 4G, WIFI communication network, wherein the second power supply module is provided with USB interface, the first power supply module is provided with typeC interface; the second power supply module is electrically connected with the first power supply module through a data line.
4. The UWB precise location intelligent mine lamp based on the 4G, WIFI communication network as claimed in claim 1, further comprising a plurality of UWB base stations fixed at predetermined positions in the mine, the plurality of UWB base stations respectively obtaining the distance between each UWB base station and the UWB tag based on the UWB signal broadcasted by the UWB tag;
and a server connected to the plurality of UWB base stations, respectively, the server positioning the UWB tag based on distances between the plurality of UWB base stations and the UWB tag.
5. The UWB accurate positioning intelligent miner lamp based on the 4G, WIFI communication network is characterized in that the belt body (21) comprises a cattle belt (211) in the middle, two ends of the cattle belt (211) are respectively connected with a first cloth belt (212), the end of the first cloth belt (212) is connected with an elastic expansion belt (213), and the end of the elastic expansion belt (213) is connected with a second cloth belt (214);
the end part of the second cloth belt (214) is connected with a first connecting piece (22) or a second connecting piece (23).
6. The UWB accurate positioning intelligent mine lamp based on the 4G, WIFI communication network, according to claim 5, wherein, the first cloth belts (215) are fixed on the two first cloth belts (212), the second cloth belts (216) matched with the first connecting belts (215) are fixed on the two second cloth belts (214); the first connecting belt (215) and the second connecting belt (216) are respectively provided with a first magic tape (217) and a second magic tape (218) which are matched with each other.
7. The UWB accurate positioning intelligent miner lamp based on 4G, WIFI communication network of claim 5, wherein the ring-shaped fixture (32) comprises a "[" shaped plate (33) fixed on the bag body (31);
one open end of the [ -shaped plate (33) is fixedly connected with a tightening belt (34), and the other open end of the [ -shaped plate (33) is provided with a hole (38) through which the tightening belt (34) penetrates;
wherein, the outer side surface of the tightening strap (34) is provided with a third magic tape (35), and the end part of the tightening strap (34) is provided with a fourth magic tape (36) matched with the third magic tape (35);
the inner bottom side surface of the [ -shaped plate (33) is provided with a hemispherical sliding bulge (37).
8. The UWB accurate positioning intelligent mine lamp based on 4G, WIFI communication network according to claim 1, wherein, the outer periphery side of the mine cap (1) is further provided with a detection device for detecting the surrounding environment;
the detection device comprises a video acquisition module arranged at the front end of the miner cap (1) and is used for shooting underground images in real time;
the gas monitoring device is arranged on two sides of the miner cap (1) and used for detecting the gas concentration under a mine in real time along with the movement of miners, and the oxygen monitoring device is used for detecting the oxygen concentration under the mine.
9. The UWB accurate positioning intelligent miner lamp based on 4G, WIFI communication network according to claim 1, wherein the first connecting piece (22) is a U-shaped frame (221) fixed on one end of the belt body (21), the end of the U-shaped frame (221) is provided with a substrate (222), one edge side of the substrate (222) is provided with a plurality of rectangular openings (223) with equal intervals along the length direction, and the bottom side of the rectangular openings (223) is connected with a circular opening (224);
the second connecting piece (23) is a rectangular frame (231) fixed at the other end of the belt body (21), the outer side of the rectangular frame (231) is provided with first connecting columns (232) with the same number of rectangular openings (223), the end part of each first connecting column (232) is connected with a second connecting column (233), and the end part of each second connecting column (233) is connected with a circular limiting plate (234).
10. The UWB precise location intelligent miner lamp based on 4G, WIFI communication network of claim 9, wherein the width of the rectangular opening (223) is between the second connecting post (232) and the first connecting post (232), and the diameter of the second connecting post (233) is larger than the diameter of the first connecting post (232); the diameter of the circular hole (224) is smaller than that of the circular limiting plate (234) and larger than that of the second connecting column (233).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111072967.7A CN113757578A (en) | 2021-09-14 | 2021-09-14 | UWB accurate positioning intelligent miner's lamp based on 4G, WIFI communication network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111072967.7A CN113757578A (en) | 2021-09-14 | 2021-09-14 | UWB accurate positioning intelligent miner's lamp based on 4G, WIFI communication network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113757578A true CN113757578A (en) | 2021-12-07 |
Family
ID=78795438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111072967.7A Pending CN113757578A (en) | 2021-09-14 | 2021-09-14 | UWB accurate positioning intelligent miner's lamp based on 4G, WIFI communication network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113757578A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3778845A (en) * | 1972-12-11 | 1973-12-18 | Qst Industries | Waistband with frictional means |
| CN101138440A (en) * | 2007-03-14 | 2008-03-12 | 东港开发有限公司 | Sport type short pants |
| CN103486446A (en) * | 2013-10-11 | 2014-01-01 | 重庆金鑫智慧科技有限公司 | Digital miner light system |
| CN105722029A (en) * | 2016-02-02 | 2016-06-29 | 北京云迹科技有限公司 | UWB (Ultra Wideband) networking positioning system and method |
| CN106617428A (en) * | 2016-12-03 | 2017-05-10 | 宁波市镇海锐得贸易有限公司 | Belt |
| CN209523779U (en) * | 2018-04-09 | 2019-10-22 | 张昇明 | A kind of Portable type mine safety instrument |
-
2021
- 2021-09-14 CN CN202111072967.7A patent/CN113757578A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3778845A (en) * | 1972-12-11 | 1973-12-18 | Qst Industries | Waistband with frictional means |
| CN101138440A (en) * | 2007-03-14 | 2008-03-12 | 东港开发有限公司 | Sport type short pants |
| CN103486446A (en) * | 2013-10-11 | 2014-01-01 | 重庆金鑫智慧科技有限公司 | Digital miner light system |
| CN105722029A (en) * | 2016-02-02 | 2016-06-29 | 北京云迹科技有限公司 | UWB (Ultra Wideband) networking positioning system and method |
| CN106617428A (en) * | 2016-12-03 | 2017-05-10 | 宁波市镇海锐得贸易有限公司 | Belt |
| CN209523779U (en) * | 2018-04-09 | 2019-10-22 | 张昇明 | A kind of Portable type mine safety instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202842494U (en) | Intelligent safety helmet with functions of monitoring and personnel location | |
| CN104757753A (en) | Big Dipper/GPS/base station triple positioning bracelet based on judicial system | |
| Qiang et al. | ZigBee based intelligent helmet for coal miners | |
| Tao et al. | Hybrid wireless communication system using ZigBee and WiFi technology in the coalmine tunnels | |
| CN105005063A (en) | Judicature rectification system based on Beidou positioning | |
| EP3701823A1 (en) | Head strap and multifunctional helmet | |
| CN113757578A (en) | UWB accurate positioning intelligent miner's lamp based on 4G, WIFI communication network | |
| CN204680151U (en) | A kind of antiwithdrawal device of ring-type track and localization device | |
| CN206272857U (en) | A kind of personnel are accurately positioned monitoring system | |
| CN204731578U (en) | Radiation-resource intelligent controlled terminal | |
| CN203466977U (en) | Coal mine staff life security management system based on RFID and ZigBee wireless sensor network | |
| CN107997312A (en) | Intelligent bracelet | |
| CN101871785A (en) | Intelligent wireless tourist guide system | |
| CN104737939A (en) | Wireless pet leading collar | |
| CN205195976U (en) | Wearable device of emergent SOS satellite communication | |
| CN202587140U (en) | Personal locator for identity recognition | |
| CN204423611U (en) | Public arena alarm | |
| CN201222287Y (en) | Thunderbolt warning apparatus | |
| CN202364385U (en) | Wireless short-distance positioning system | |
| CN112927476A (en) | Positioning and monitoring early warning system | |
| CN208488830U (en) | A kind of locating and monitoring system of whole-course dynamic tracing | |
| CN202583470U (en) | An ankle tracking system based on BeiDou navigation | |
| CN216906989U (en) | Underground safety helmet with positioning and environment monitoring functions | |
| CN202854528U (en) | Wrist band positioning emitter used for prisoner positioning management system | |
| CN201657321U (en) | Mine personnel location management unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |