CN212785863U - Multifunctional positioning terminal for underground coal mine - Google Patents
Multifunctional positioning terminal for underground coal mine Download PDFInfo
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- CN212785863U CN212785863U CN202021872129.9U CN202021872129U CN212785863U CN 212785863 U CN212785863 U CN 212785863U CN 202021872129 U CN202021872129 U CN 202021872129U CN 212785863 U CN212785863 U CN 212785863U
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Abstract
The utility model discloses a coal mine underground multifunctional positioning terminal, which is characterized in that the terminal comprises an MCU, an RFID module, a Zigbee module, a UWB module, a lithium battery and a charging module, wherein the RFID module is connected with the input end of the MCU, and is used for storing information of users and sending the information of the users to a positioning base station; the Zigbee module is connected with the input end of the MCU, and is used for performing wireless communication ranging and positioning between the positioning terminal and between the positioning terminal and the positioning base station; the UWB module is connected with the input end of the MCU and is used for carrying out wireless communication and positioning between the positioning terminal and the positioning base station; the lithium battery is used for providing a power supply for the whole positioning terminal; the charging module is used for charging the lithium battery. The utility model provides a colliery is multi-functional positioning terminal in pit solves present positioning terminal function singleness, can't the different emergency and the not high, the incomplete defect of cover of accurate suggestion directly perceived.
Description
Technical Field
The utility model relates to a colliery is multi-functional positioning terminal in pit.
Background
The positioning terminal is a positioning tool for a positioning system of underground personnel in the coal mine industry, underground roadways of the coal mine are criss-cross, the environment is complex, the operation risk is high, and the communication between the ground and the underground personnel is difficult, so that the real-time understanding of the dynamic state of the personnel is of great significance. The positioning terminal is an important tool carried on a person, provides personnel information and positions, and can report conditions to the ground or give an alarm to underground operators on the ground under important or emergency conditions, so that the production efficiency is improved, and the safety of the personnel is ensured.
At present, a zigbee positioning technology or a UWB positioning technology is adopted for a positioning terminal, and a single positioning technology has the problems of low positioning accuracy and incomplete coverage. In emergency, acousto-optic and vibration prompts are adopted, so that the prompt is simple and is not visual and clear enough. The terminals are independent of each other.
Disclosure of Invention
The utility model aims to solve the technical problem that, overcome prior art not enough, provide a colliery is multi-functional positioning terminal in pit, solve present positioning terminal function singleness, unable audio-visual accurate suggestion different emergency and positioning accuracy not high, cover incomplete defect.
In order to solve the technical problem, the technical scheme of the utility model is that:
a multifunctional positioning terminal for underground coal mine comprises:
MCU；
the RFID module is connected with the input end of the MCU and used for storing information of users and sending the information of the users to the positioning base station;
the Zigbee module is connected with the input end of the MCU and is used for performing wireless communication ranging and positioning between the positioning terminal and between the positioning terminal and the positioning base station;
the UWB module is connected with the input end of the MCU and is used for carrying out wireless communication and positioning between the positioning terminal and the positioning base station;
the lithium battery is used for providing power for the whole positioning terminal;
and the charging module is used for charging the lithium battery.
Further, the voice broadcasting module is connected with the output end of the MCU and used for sending out voice alarm in emergency;
and the display module is connected with the output end of the MCU and is used for displaying the information of the positioning terminal.
Further, the sound-light vibration key module is connected with the MCU, and the sound-light vibration key module is used for selecting the functions of the positioning terminal and prompting different states of the positioning terminal through sound-light vibration.
And furthermore, the voice recognition module is connected with the input end of the MCU and used for recognizing the voice of a user and operating the function of the positioning terminal through a voice command.
Furthermore, the temperature measurement module is connected with the input end of the MCU and used for measuring the current ambient temperature of the user.
By adopting the technical scheme, the utility model discloses following beneficial effect has:
1. the utility model discloses a radio frequency identification location, zigbee location technique and uwb location technique, three kinds of location techniques use simultaneously, adapt to different environment, and the coverage is wide, improves positioning accuracy, and positioning accuracy is high.
2. The utility model discloses a pronunciation and display technology distinguish different emergency, make ground and personnel in the pit can adopt correct mode rapid processing, and suggestion mine personnel are directly perceived clear, can exchange through the SMS function, exchange convenient accuracy.
3. The utility model can mutually measure distance, upload the distance measurement data of nearby terminals, increase the positioning range and improve the accuracy; nearby terminals can be quickly searched in emergency, and searching efficiency is improved; the multifunctional positioning terminal is rich, displays time, signals, electric quantity and temperature, and is very humanized.
Drawings
FIG. 1 is a schematic block diagram of a coal mine underground multifunctional positioning terminal according to the present invention;
fig. 2 is a circuit diagram of a Zigbee module of the present invention;
fig. 3 is a circuit diagram of a UWB module of the present invention;
fig. 4 is a circuit diagram of the charging module of the present invention;
fig. 5 is a circuit diagram of the acousto-optic vibration key module of the present invention;
fig. 6 is a circuit diagram of a display module according to the present invention;
fig. 7 is a circuit diagram of the temperature measurement module of the present invention;
fig. 8 is a circuit diagram of a speech recognition module of the present invention;
fig. 9 is a circuit diagram of the voice broadcast module of the present invention;
fig. 10 is a circuit diagram of an RFID module of the present invention;
fig. 11 is a circuit diagram of the MCU of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1 to 11, a coal mine underground multifunctional positioning terminal comprises:
the MCU adopts an STM32L431RCT6 singlechip and is based on a Cortex-M4 kernel ultra-low power consumption singlechip as shown in figure 11.
And the RFID module is connected with the input end of the MCU and used for storing information of users and sending the information of the users to the positioning base station. As shown in fig. 10, (Radio Frequency Identification) module: the module mainly comprises an M24LR16E-R chip, works in a 13.56Mhz frequency band, can work without a battery, stores the information of personnel in the RFID module, and can read the information of the positioning terminal by the positioning base station when the positioning base station is close to the area of the positioning base station.
And the Zigbee module is connected with the input end of the MCU and is used for performing wireless communication ranging and positioning between the positioning terminal and between the positioning terminal and the positioning base station. As shown in fig. 2, the Zigbee module mainly includes a CC2520 chip, operates in a 2.4GHz band, and is a wireless communication module with low power consumption and low latency. The Zigbee positioning technology is based on RSS (Received Signal Strength) positioning algorithm and TDOA (Time Difference of Arrival) algorithm. The method is used for wireless communication ranging and positioning between the terminal and between the terminal and the base station.
And the UWB module is connected with the input end of the MCU and is used for carrying out wireless communication and positioning between the positioning terminal and the positioning base station. As shown in fig. 3, UWB (Ultra wide band) module: the UWB communication module mainly comprises a DW100 chip and works in a (3.5-6.5) GHz frequency band. The UWB positioning technology of the wireless communication module is high in precision, strong in penetrating power and good in anti-interference effect and is based on a Time of flight (TOF) positioning algorithm and a Time Difference of Arrival (TDOA) algorithm. The method is used for wireless communication and positioning between the terminal and the base station.
The lithium battery is a mining lithium battery and is used for providing power for the whole positioning terminal;
the charging module is used for charging the lithium battery, and as shown in fig. 4, the charging module mainly comprises a charging protection circuit and a voltage detection circuit.
The voice broadcasting module is connected with the output end of the MCU and used for sending out voice alarm in emergency. As shown in fig. 9, mainly composed of SYN6288, can synthesize speech, supporting GB2312 encoding format.
And the display module is connected with the output end of the MCU and is used for displaying the information of the positioning terminal. As shown in fig. 6, mainly composed of OLED display screen modules, 128 × 64 dot matrix displays images and texts. The positioning terminal can display time through a display screen, and the time can be synchronized through zigbee wireless communication. The positioning terminal can display the signal state through the display screen to prompt the zigbee wireless communication state and the UWB wireless communication state.
The sound-light vibration key module is connected with the MCU, and the sound-light vibration key module is used for selecting the functions of the positioning terminal and prompting different states of the positioning terminal through sound-light vibration. As shown in fig. 5, the mobile terminal comprises keys, a led lamp and a vibration motor, wherein the keys are used for selecting terminal functions, and the led lamp and the vibration motor are used for prompting the positioning of different states of the terminal, such as vibration, icon and voice prompt when the power is low.
As shown in fig. 8, the voice recognition module is connected to the input end of the MCU and mainly comprises an LD3320 chip, and is configured to recognize the voice of a user and operate the function of the positioning terminal through a voice command.
The temperature measurement module is connected with the input end of the MCU, mainly composed of a DS18B20 chip, and is used for measuring the current ambient temperature of the user and displaying the ambient temperature on the display screen, as shown in FIG. 7.
The utility model discloses a following function:
1. positioning function
The multifunctional positioning terminal uses a three-frequency wireless communication module, an RFID technology, a zigbee positioning technology and an UWB positioning technology, and is multi-band communication, strong in positioning function, reliable in positioning, capable of adapting to complex underground environment of a coal mine, and high in positioning accuracy up to 0.1 meter.
2. Networking functionality
The multifunctional positioning terminals are in wireless communication through the zigbee module, networking can be achieved, other terminal data in the range are captured, the distance measurement is carried out, information is sent to the base station through the UWB module in wireless communication, and the positioning range and the accuracy are enlarged. Other terminals can be called and found, and the distance and the current state of the terminals can be displayed.
3. SOS and alarm function
The multifunctional terminal can send a distress signal through a key, can also input a specific command through voice, identifies the distress command through the voice recognition module, sends a positioning base station through zigbee and UWB wireless communication, uploads the base station to the ground, and a display screen displays a distress icon, and when the base station replies a signal of successful sending, the icon disappears and prompts.
The ground can be with alarm signal through the positioning base station, and the positioning base station is issued to single or a plurality of underground positioning terminal through zigbee and UWB wireless communication, and after the positioning terminal received alarm signal, through vibration and pronunciation broadcast suggestion borehole operation personnel, the display screen shows the warning icon, and the icon disappears after the button confirms receiving alarm command.
The above embodiments further describe the technical problems, technical solutions and advantages of the present invention in detail, it should be understood that the above embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A multifunctional positioning terminal in a coal mine is characterized by comprising:
MCU；
the RFID module is connected with the input end of the MCU and used for storing information of users and sending the information of the users to the positioning base station;
the Zigbee module is connected with the input end of the MCU and is used for performing wireless communication ranging and positioning between the positioning terminal and between the positioning terminal and the positioning base station;
the UWB module is connected with the input end of the MCU and is used for carrying out wireless communication and positioning between the positioning terminal and the positioning base station;
the lithium battery is used for providing power for the whole positioning terminal;
and the charging module is used for charging the lithium battery.
2. The multifunctional positioning terminal for the underground coal mine according to claim 1, which is characterized by comprising:
the voice broadcasting module is connected with the output end of the MCU and used for sending out voice alarm in emergency;
and the display module is connected with the output end of the MCU and is used for displaying the information of the positioning terminal.
3. The multifunctional positioning terminal for the underground coal mine according to claim 1, which is characterized by comprising:
the sound-light vibration key module is connected with the MCU, and the sound-light vibration key module is used for selecting the functions of the positioning terminal and prompting different states of the positioning terminal through sound-light vibration.
4. The multifunctional positioning terminal for the underground coal mine according to claim 1, which is characterized by comprising:
and the voice recognition module is connected with the input end of the MCU and is used for recognizing the voice of a user and operating the function of the positioning terminal through a voice command.
5. The multifunctional positioning terminal for the underground coal mine according to claim 1, which is characterized by comprising:
and the temperature measuring module is connected with the input end of the MCU and is used for measuring the current ambient temperature of the user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021872129.9U CN212785863U (en) | 2020-09-01 | 2020-09-01 | Multifunctional positioning terminal for underground coal mine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021872129.9U CN212785863U (en) | 2020-09-01 | 2020-09-01 | Multifunctional positioning terminal for underground coal mine |
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| CN212785863U true CN212785863U (en) | 2021-03-23 |
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| CN202021872129.9U Active CN212785863U (en) | 2020-09-01 | 2020-09-01 | Multifunctional positioning terminal for underground coal mine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113473369A (en) * | 2021-08-10 | 2021-10-01 | 陕西圣明智能科技有限公司 | Mining intrinsic safety type vehicle-mounted terminal |
| CN114363810A (en) * | 2022-01-17 | 2022-04-15 | 中煤科工集团沈阳研究院有限公司 | Voice positioning transmission device and voice positioning transmission method based on UWB technology |
-
2020
- 2020-09-01 CN CN202021872129.9U patent/CN212785863U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113473369A (en) * | 2021-08-10 | 2021-10-01 | 陕西圣明智能科技有限公司 | Mining intrinsic safety type vehicle-mounted terminal |
| CN114363810A (en) * | 2022-01-17 | 2022-04-15 | 中煤科工集团沈阳研究院有限公司 | Voice positioning transmission device and voice positioning transmission method based on UWB technology |
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