CN111556435A - Low-power-consumption positioning device - Google Patents
Low-power-consumption positioning device Download PDFInfo
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- CN111556435A CN111556435A CN202010382598.0A CN202010382598A CN111556435A CN 111556435 A CN111556435 A CN 111556435A CN 202010382598 A CN202010382598 A CN 202010382598A CN 111556435 A CN111556435 A CN 111556435A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
- G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
- G01C21/16—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
- G01C21/165—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation combined with non-inertial navigation instruments
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
- G06K17/0029—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
- H04W4/027—Services making use of location information using location based information parameters using movement velocity, acceleration information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/33—Services specially adapted for particular environments, situations or purposes for indoor environments, e.g. buildings
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model relates to a low-power consumption positioning device, which can be carried or worn by mine workers and comprises a control module, an access identification module and a positioning module, wherein the access identification module is used for receiving transmission signals of an attendance terminal when establishing communication connection with the attendance terminal, and the transmission signals comprise an entry signal and an exit signal; the positioning module is used for positioning the device; the control module is connected to the access identification module and the positioning module and is used for: when the in-out identification module receives a well entry signal, sending an instruction for starting a positioning function to the positioning module so that the positioning module starts to position the device; and when the in-out identification module receives the well-out signal, sending an instruction for closing the positioning function to the positioning module so as to enable the positioning module to stop positioning the device. The low-power-consumption positioning device can reduce power consumption, reduce charging frequency and prolong the service life of a battery.
Description
Technical Field
The disclosure relates to the technical field of personnel positioning, in particular to a low-power-consumption positioning device.
Background
Monitoring and management of underground personnel are important components for guaranteeing coal mine production and safety. Particularly, when a safety accident occurs, how to guarantee the life safety of underground personnel, organize evacuation and rescue, and improve the rescue efficiency is one of the most concerned problems of coal mine enterprises. At present, in domestic coal mines, a positioning identification card based on Radio Frequency Identification (RFID) technology is generally used for positioning and managing underground personnel. In the correlation technique, the positioning frequency can not be intelligently adjusted, the high-frequency continuous positioning causes higher power consumption of the positioning identification card, frequent charging is needed, and the service life of a battery is reduced.
Disclosure of Invention
In view of this, the present invention provides a low power consumption positioning technical solution capable of reducing power consumption, reducing charging frequency, and prolonging battery life.
According to one aspect of the disclosure, a low-power-consumption positioning device is provided, which can be carried or worn by mine workers, and comprises a control module, an access identification module and a positioning module, wherein the access identification module is used for receiving transmission signals of an attendance terminal when a communication connection is established with the attendance terminal, and the transmission signals comprise a well entry signal and a well exit signal; the positioning module is used for positioning the device; the control module is connected to the access identification module and the location module, and is configured to: when the in-out identification module receives the well entry signal, sending an instruction for starting a positioning function to the positioning module so that the positioning module starts to position the device; and when the in-out identification module receives the well-out signal, sending an instruction for closing a positioning function to the positioning module so that the positioning module stops positioning the device.
In one possible implementation, the apparatus further includes an inertial measurement module, connected to the control module, for measuring motion data of the apparatus, the control module further for: and controlling the positioning frequency of the positioning module according to the motion data of the device.
In one possible implementation manner, the controlling module controls the positioning frequency of the positioning module according to the motion data of the device, including: determining step counting pulse and motion acceleration of the device according to the motion data of the device;
controlling the positioning frequency of the positioning module to be a first frequency under the condition that the step counting pulse is smaller than a first pulse threshold value and the motion acceleration is smaller than an acceleration threshold value;
when the step counting pulse is greater than or equal to the first pulse threshold, the step counting pulse is smaller than a second pulse threshold, and the motion acceleration is smaller than the acceleration threshold, controlling the positioning frequency of the positioning module to be a second frequency, wherein the second pulse threshold is greater than the first pulse threshold, and the second frequency is greater than the first frequency;
when the step counting pulse is greater than or equal to the second pulse threshold value and the motion acceleration is smaller than the acceleration threshold value, controlling the positioning frequency of the positioning module to be a third frequency, wherein the third frequency is greater than the second frequency;
and controlling the positioning frequency of the positioning module to be the third frequency under the condition that the motion acceleration is greater than or equal to the acceleration threshold value, and the duration of the motion acceleration which is greater than or equal to the acceleration threshold value is greater than or equal to a preset duration.
In one possible implementation, the control module is further configured to:
and when the motion acceleration exceeds the acceleration threshold, controlling the positioning module to perform positioning once.
In one possible implementation, the apparatus further includes an alarm module connected to the control module, and the control module is further configured to: when the positioning module receives an alarm instruction, the alarm module is controlled to alarm,
wherein the alarm module comprises at least one of an indicator light and a vibration motor.
In a possible implementation manner, the apparatus further includes an alarm button connected to the control module, and the control module is further configured to: and when the alarm key is triggered, controlling the positioning module to send alarm information.
In one possible implementation manner, the device further comprises a power supply module and a display module,
the power module is connected to the control module and used for supplying power to the device;
the display module is connected to the control module and used for displaying at least one of motion data of the device, positioning frequency of the positioning module and charging state of the power supply module.
In one possible implementation, the access identification module, the inertial measurement module, and the positioning module are connected to the control module via an SPI interface or an I2C interface.
In one possible implementation, the device further includes a device identifier for determining the identity of the mine worker carrying or wearing the device.
According to the embodiment of the disclosure, the control module, the access identification module and the positioning module are arranged in the low-power-consumption positioning device, so that the control module controls the positioning module to start or stop positioning the low-power-consumption positioning device according to the transmission signal of the attendance checking terminal received by the access identification module, the power consumption of the positioning device can be reduced, the charging frequency is reduced, and the service life of a battery is prolonged.
Other features and aspects of the present disclosure will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the disclosure and, together with the description, serve to explain the principles of the disclosure.
Fig. 1 shows a schematic diagram of an electrical functional structure of a low power consumption positioning device according to an embodiment of the present disclosure.
Fig. 2 shows a schematic diagram of a positioning function of a positioning module of a low power consumption positioning device according to an embodiment of the present disclosure.
Detailed Description
Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present disclosure.
Fig. 1 shows a schematic diagram of an electrical functional structure of a low power consumption positioning device according to an embodiment of the present disclosure. As shown in fig. 1, the low power consumption location device includes a control module 11, an access identification module 12 and a location module 13,
the access identification module 12 is configured to receive a transmission signal of an attendance terminal when establishing a communication connection with the attendance terminal, where the transmission signal includes a well entry signal and a well exit signal;
the positioning module 13 is used for positioning the device;
the control module 11 is connected to the access identification module 12 and the location module 13, and the control module 11 is configured to:
when the entry and exit identification module 12 receives the entry signal, an instruction for starting a positioning function is sent to the positioning module 13, so that the positioning module 13 starts to position the device;
when the in-and-out identification module 12 receives the well-out signal, an instruction for closing the positioning function is sent to the positioning module 13, so that the positioning module 13 stops positioning the device.
In a possible implementation manner, the low-power-consumption positioning device can be designed as a card, integrated in other mine equipment in a chip form, and the like, and is carried or worn by mine workers, and the specific form of the low-power-consumption positioning device is not limited by the disclosure.
In a possible implementation manner, the access identification module 12 may be implemented by Near Field Communication (NFC) technology, Radio Frequency (RF) technology, Wireless-broadband (WiFi) technology, bluetooth technology, and the like, and is configured to establish a communication connection with an attendance terminal, and receive and/or transmit a transmission signal of the attendance terminal, and the disclosure is not limited in particular. For example, the access identification module 12 may be a Near Field communication coil (NFC for short), and when a mine worker carrying or wearing a low power consumption positioning device approaches an attendance terminal, the Near Field communication coil and the attendance terminal may perform signal transmission to implement short-range wireless card punching.
In a possible implementation manner, the positioning module 13 may communicate with a plurality of nearby RF base stations through a Radio Frequency (RF) technology, receive and transmit wireless information, and transmit the received wireless information to the control module 11, where the control module 11 determines the positioning information of the low power consumption positioning apparatus according to the wireless information. Furthermore, according to the positioning information, high-precision positioning of mine workers carrying or wearing the low-power-consumption positioning and device is achieved.
In one possible implementation, the positioning module 13 may employ a low power device, for example, the positioning module 13 may employ a CC01 chip, which has ultra-low power consumption, high compatibility, and a wide working temperature range (-40 ℃ to +85 ℃), and is suitable for a high-temperature or low-temperature mine environment. The present disclosure is not limited as to the specific device type of the positioning module 13.
In a possible implementation manner, the control module 11 may be implemented by a dedicated hardware circuit, or may be implemented by general processing hardware (e.g., a CPU, a single chip, a field programmable logic device FPGA, etc.) in combination with executable logic instructions to execute the working process of the control module 11, where the executable logic instructions may be implemented based on the prior art. The present disclosure does not limit the specific implementation of the control module 11.
In one possible implementation, the control module 11 may also employ a low power device, for example, the control module 11 may employ an MSP430FR2311 chip, which is ultra-low power, highly scalable, and relatively simple, and can reduce the development time related to complexity and overall project, and the present disclosure does not limit the specific device type of the control module 11.
In a possible implementation manner, when a mine worker carrying or wearing the low-power-consumption positioning device prepares for entering into a well, the low-power-consumption positioning device is close to the attendance terminal, so that the access identification module 12 is in communication connection with the attendance terminal, and a well entering signal transmitted by the attendance terminal is received, so that well entering and card punching are realized. The in-out identification module 12 may transmit the entry signal to the control module 11, and the control module 11 generates an instruction for starting the positioning function according to the entry signal, and sends the instruction for starting the positioning function to the positioning module 13, so that the positioning module 13 starts to position the low power consumption positioning device.
In a possible implementation manner, when the mine worker carrying or wearing the low-power-consumption positioning device finishes the downhole operation, the low-power-consumption positioning device is close to the attendance terminal, so that the access identification module 12 is in communication connection with the attendance terminal, the well exit signal transmitted by the attendance terminal is received, and the well logging is realized. The in-out identification module 12 may transmit the well-out signal to the control module 11, and the control module 11 generates an instruction for closing the positioning function according to the well-out signal, and sends the instruction for closing the positioning function to the positioning module 13, so that the positioning module 13 stops positioning the low power consumption positioning device.
In one possible implementation, the positioning time node of the low-power-consumption positioning device can be limited by performing logging-in and logging-out card punching when preparing logging-in operation and finishing downhole operation, so that when the low-power-consumption positioning device is positioned, the actual use time is the operation time (for example, 8 hours) of a mine worker in a downhole. Compared with the positioning device needing to be positioned for 24 hours in the prior art, the power consumption of the low-power-consumption positioning device is obviously reduced, and the actual service time is 3 times that of the positioning device in the prior art.
According to the embodiment of the disclosure, the low-power-consumption positioning device comprises an access identification module, a positioning module and a control module, wherein short-distance card punching is realized through the access identification module, and when the access identification module receives a well entry signal, the control module sends an instruction for starting a positioning function to the positioning module, so that the positioning module starts to position the low-power-consumption positioning device; when the in-out identification module receives a well entering signal, the control module sends an instruction for closing the positioning function to the positioning module, so that the positioning module stops positioning the low-power-consumption positioning device, the power consumption of the low-power-consumption positioning device is effectively reduced, the battery power consumed by the low-power-consumption positioning device is saved, and the service time of the low-power-consumption positioning device is prolonged.
As shown in fig. 1, in a possible implementation, the apparatus further includes an inertial measurement module 14 connected to the control module 11 for measuring the motion data of the apparatus, and the control module 11 is further configured to: the positioning frequency of the positioning module 13 is controlled according to the motion data of the device.
In one possible implementation, the inertial measurement module 14 may include a gyroscope, an accelerometer, or the like, for measuring motion data of the low power consumption positioning device. The present disclosure is not limited to the specific components of the inertial measurement module 14.
In a possible implementation, the inertia measurement module 14 is connected to the control module 11 through the SPI interface or I2C, and may send the measured movement data to the control module 11, so that the control module 11 controls the positioning frequency of the positioning module 13 according to the movement data.
Fig. 2 shows a schematic diagram of a positioning function of a positioning module of a low power consumption positioning device according to an embodiment of the present disclosure. As shown in fig. 2, the control module 11 controls the positioning frequency of the positioning module 13 according to the motion data of the device, including:
determining step counting pulse and motion acceleration of the device according to the motion data of the device;
controlling the positioning frequency of the positioning module 13 to be a first frequency under the condition that the step counting pulse is smaller than a first pulse threshold value and the motion acceleration is smaller than an acceleration threshold value;
when the step counting pulse is greater than or equal to the first pulse threshold, the step counting pulse is smaller than a second pulse threshold, and the motion acceleration is smaller than the acceleration threshold, controlling the positioning frequency of the positioning module 13 to be a second frequency, wherein the second pulse threshold is greater than the first pulse threshold, and the second frequency is greater than the first frequency;
when the step counting pulse is greater than or equal to the second pulse threshold and the motion acceleration is smaller than the acceleration threshold, controlling the positioning frequency of the positioning module 13 to be a third frequency, where the third frequency is greater than the second frequency;
and controlling the positioning frequency of the positioning module 13 to be the third frequency when the motion acceleration is greater than or equal to the acceleration threshold and the duration of the motion acceleration greater than or equal to the acceleration threshold is greater than or equal to a preset duration.
In a possible implementation manner, the control module 11 determines a step counting pulse and a motion acceleration of the low power consumption positioning apparatus according to the received motion data, so as to control the positioning frequency of the positioning module 13 according to the step counting pulse and the motion acceleration.
In a possible implementation manner, specific values of the first pulse threshold, the second pulse threshold, the acceleration threshold, the first frequency, the second frequency, the third frequency, and the preset time duration may be set according to an actual measurement requirement, which is not specifically limited by the present disclosure. For example, the first pulse threshold may be 0.1/s, the second pulse threshold may be 2/s, and the acceleration threshold may be 0.3g (1 g-9.8 m/s)2) The first frequency may be 10 s/time, the second frequency may be 5 s/time, the third frequency may be 1 s/time, and the preset duration may be 3 s.
In a possible implementation manner, when the low power consumption positioning device starts to be positioned, the inertia measurement module 14 starts to measure the motion data of the low power consumption positioning device and sends the motion data to the control module 11, and the control module 11 determines the step counting pulse and the motion acceleration of the low power consumption positioning device according to the motion data measured by the inertia measurement module 14 and controls the positioning frequency of the positioning module 13 according to the step counting pulse and the motion acceleration.
In a possible implementation manner, when the step counting pulse of the low power consumption positioning device is smaller than the first pulse threshold and the motion acceleration is smaller than the acceleration threshold, the control module 11 determines that the motion state of the low power consumption positioning device is low-speed motion or motionless, and controls the positioning frequency of the positioning module 13 to be the first frequency, that is, performs low-frequency positioning on the low power consumption positioning device, so as to effectively reduce the power consumption of the low power consumption positioning device and increase the service time of the battery. For example, when the step counting pulse is 0.05/s and the motion acceleration is 0.05g, the control module 11 controls the positioning frequency of the positioning module 13 to be 10 s/time.
In a possible implementation manner, when the step counting pulse of the low power consumption positioning device is greater than or equal to the first pulse threshold, the step counting pulse is smaller than the second pulse threshold, and the motion acceleration is smaller than the acceleration threshold, the control module 11 determines that the motion state of the low power consumption positioning device is normal motion, and controls the positioning frequency of the positioning module 13 to be the second frequency, that is, performs medium frequency positioning on the low power consumption positioning device, so as to ensure the accuracy and the real-time performance of the positioning information. For example, when the step counting pulse is 1/s and the motion acceleration is 0.1g, the control module 11 controls the positioning frequency of the positioning module 13 to be 5 seconds/time.
In a possible implementation manner, when the step counting pulse of the low power consumption positioning device is greater than the second pulse threshold and the motion acceleration is smaller than the acceleration threshold, the control module 11 determines that the motion state of the low power consumption positioning device is high-speed motion, and controls the positioning frequency of the positioning module 13 to be the third frequency, that is, performs high-frequency positioning on the low power consumption positioning device, so that the ground control center accurately determines the real-time position of the mine worker carrying or wearing the low power consumption positioning device. For example, when the step counting pulse is 3/s and the motion acceleration is 0.2g, the control module 11 controls the positioning frequency of the positioning module 13 to be 1 s/time.
In a possible implementation manner, when the motion acceleration of the low-power-consumption positioning device is greater than or equal to an acceleration threshold, and the duration time that the motion acceleration is greater than or equal to the acceleration threshold is greater than or equal to a preset duration, the control module 11 determines that the low-power-consumption positioning device is in a continuous violent vibration state, controls the positioning frequency of the positioning module 13 to be a third frequency, and increases the positioning frequency for positioning the low-power-consumption positioning device, that is, performs high-frequency positioning on the low-power-consumption positioning device, so that the ground control center accurately determines the real-time position of a mine worker carrying or wearing the low-power-consumption positioning device when the mine worker is in danger, and thus the rescue work is effectively performed.
For example, when a safety accident, such as an earthquake, a collapse, an explosion and the like, occurs inside the mine, which may cause the low power consumption positioning device to move violently, in the case that the control module 11 determines that the movement acceleration of the device is 0.4g according to the movement data measured by the inertia measurement module 14, and the duration of the movement acceleration greater than or equal to the acceleration threshold is 5s, the control module 11 controls the positioning frequency of the positioning module 13 to be 1 s/time.
In a possible implementation manner, the control module 11 is further configured to: and when the motion acceleration exceeds the acceleration threshold, controlling the positioning module 13 to perform positioning once.
In one possible implementation, when the control module 11 determines that the motion acceleration of the device exceeds the acceleration threshold, the control module 11 controls the positioning module 13 to perform a positioning operation on the device. For example, when the low power consumption positioning device suddenly drops on the ground and the inertial measurement module 14 measures that the motion acceleration of the device is 1g, the control module 11 controls the positioning module 13 to perform positioning on the device once so as to find the lost low power consumption positioning device according to the positioning information.
As shown in fig. 1, in a possible implementation manner, the apparatus further includes an alarm module 15 connected to the control module 11, where the control module 11 is further configured to: when the positioning module 13 receives an alarm instruction, the alarm module 15 is controlled to alarm, wherein the alarm module 15 comprises at least one of an indicator light and a vibration motor.
In a possible implementation manner, when the positioning module 13 receives an alarm instruction, the positioning module 13 sends the alarm instruction to the control module 11, and the control module 11 controls the alarm module 15 to alarm according to the alarm instruction, wherein the control module 11 can alarm by controlling the indicator light to display red color, vibrating the motor, and the like.
In a possible implementation manner, when the ground control center determines that the real-time position of the low-power-consumption positioning device may be in a dangerous situation according to the positioning information transmitted by the positioning module 13, for example, when the low-power-consumption positioning device is in an area where entry is forbidden, or a dangerous accident such as an earthquake, a collapse, an explosion and the like may occur in front of the low-power-consumption positioning device, an alarm instruction may be immediately sent to the positioning module 13 through the ground control center, and the alarm instruction is sent to the control module 11 through the positioning module 13, after the control module 11 receives the alarm instruction, the alarm module 15 is controlled to alarm according to the alarm instruction, so that mine workers carrying or wearing the low-power-consumption positioning device may be timely reminded to stop advancing, and withdraw in time, so as to ensure life safety of the.
In a possible implementation manner, the indicator light may be a dual-color indicator light, and the control module 11 may further control the indicator light to display green or not to light when the low power consumption positioning apparatus is normally used, which is not specifically limited in this disclosure.
As shown in fig. 1, in a possible implementation, the apparatus further includes an alarm key 16 connected to the control module 11, where the control module 11 is further configured to: when the alarm key 16 is triggered, the positioning module 13 is controlled to send alarm information. When a mine worker carrying or wearing the low-power-consumption positioning device finds a dangerous situation, the alarm key 16 on the low-power-consumption positioning device can be triggered, and after the control module 11 receives the alarm information, the alarm information can be sent to a ground control center through the positioning module 13 so as to inform the ground control center to timely deploy emergency rescue and relief work.
In one possible implementation, as shown in fig. 1, the apparatus further comprises a power module 17 and a display module 18,
the power module 17 is connected to the control module 11 for supplying power to the device;
the display module 18 is connected to the control module 11 for displaying at least one of the motion data of the device, the positioning frequency of the positioning module 13 and the charging state of the power module 17. In one possible implementation, the power module 17 may include a lithium battery, a protection circuit, an inner battery casing, and an outer battery casing, wherein the protection circuit is connected to the lithium battery and is encapsulated in the inner battery casing, and the inner battery casing is installed in the outer battery casing. Wherein, the lithium battery can adopt a lithium manganate battery or a lithium iron phosphate battery with high safety performance; the protection circuit can be used for short-circuit protection, overcurrent protection, overdischarge protection, overcharge protection and the like, so that the safety of the low-power-consumption positioning device is improved.
In one possible implementation, the power module 17 may be obtained by connecting the lithium battery to the protection circuit, then loading the lithium battery into the battery inner case, performing pouring, and then installing the poured battery inner case into the battery outer case. The inner shell and the outer shell of the power module 17 can protect and isolate the lithium battery, and the safety of the low-power-consumption positioning device is improved.
In a possible implementation manner, when the low-power-consumption positioning device is charged, the control module 11 controls the indicator light to display green; when the low power consumption positioning and the device is fully charged, the control module 11 controls the indicator light to display red, and the disclosure is not limited thereto.
In a possible implementation manner, when a mine worker carrying or wearing the low-power-consumption positioning device approaches the attendance checking terminal to punch a card in a close range, the control module 11 controls the indicator light to be in a flashing state and to display red or green, which is not specifically limited in this disclosure.
In one possible implementation, the display module 18 may include a display screen, such as a liquid crystal display, an LED display, or the like, for at least one of information of a motion state of the device, a positioning frequency of the positioning module 13, and a charging state of the power module 17, and the disclosure is not limited in particular. The display screen is in a default closed state, when at least one of the motion state of the display device, the positioning frequency of the positioning module 13 and the charging state of the power module 17 is required, the display screen can be opened in a touch mode or a key triggering mode, and after the information is acquired, the display screen is closed, so that the power consumption of the low-power-consumption positioning device is further reduced.
In one possible implementation, the access identification module 12, the inertial measurement module 14, and the location module 13 are connected to the control module 11 through an SPI interface or an I2C interface.
In a possible implementation manner, the alarm module 15, the alarm button 16, the power module 17, and the display module 18 are connected to the control module 11 through an I/O interface, an SPI interface, and an I2C interface, which is not limited in this disclosure.
In one possible implementation, the modules of the low power consumption positioning apparatus may be implemented by hardware circuits, which may be disposed on one or more Printed Circuit boards (i.e., Printed Circuit boards). The present disclosure does not limit the number of printed circuit boards. When the low power consumption positioning device includes a plurality of printed circuit boards, a person skilled in the art may arrange the positions of the modules according to practical situations, and the disclosure is not limited in particular.
In one possible implementation, the device further includes a device identifier for determining the identity of the mine worker carrying or wearing the device.
In a possible implementation manner, the identity of the mine worker carrying or wearing the low-power-consumption positioning device can be accurately determined through the device identifier of the low-power-consumption positioning device, and the actions of one person, multiple cards and the like of the mine worker carrying or wearing the low-power-consumption positioning device can be avoided through the related technology.
According to the low-power-consumption positioning device disclosed by the embodiment of the disclosure, close-range card punching is realized through the access identification module, and when the access identification module receives a well entry signal, the positioning module starts to position the device; when the in-out identification module receives the in-well signal, the positioning module stops positioning the device, so that the battery power consumed by the device can be effectively saved, and the service time of the device is prolonged.
According to the low-power-consumption positioning device disclosed by the embodiment of the disclosure, the control module determines the step counting pulse and the motion acceleration of the device according to the motion data of the device measured by the inertia measurement module, and controls the positioning module to position the device at different positioning frequencies. When the device is positioned at a low frequency, the power consumption of the device can be reduced, and the service time is delayed; when the device is subjected to medium frequency positioning, the accuracy and the real-time performance of positioning information can be ensured; when the device is positioned at a high frequency, the ground control center can accurately judge the real-time position of the mine worker carrying or wearing the device, and can accurately judge the real-time position of the mine worker carrying or wearing the low-power-consumption positioning device when the mine worker is in danger, so that the rescue and relief work can be effectively carried out.
According to the low-power-consumption positioning device disclosed by the embodiment of the disclosure, the power consumption of the positioning device can be reduced, the real-time position of a mine worker can be accurately determined, and the personal safety of the mine worker is ensured.
Having described embodiments of the present disclosure, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (9)
1. A low-power-consumption positioning device is characterized in that the device can be carried or worn by mine workers and comprises a control module, an access identification module and a positioning module,
the access identification module is used for receiving transmission signals of the attendance terminal when the access identification module is in communication connection with the attendance terminal, wherein the transmission signals comprise a well entry signal and a well exit signal;
the positioning module is used for positioning the device;
the control module is connected to the access identification module and the location module, and is configured to:
when the in-out identification module receives the well entry signal, sending an instruction for starting a positioning function to the positioning module so that the positioning module starts to position the device;
and when the in-out identification module receives the well-out signal, sending an instruction for closing a positioning function to the positioning module so that the positioning module stops positioning the device.
2. The device of claim 1, further comprising an inertial measurement module, coupled to the control module, for measuring motion data of the device,
the control module is further configured to: and controlling the positioning frequency of the positioning module according to the motion data of the device.
3. The apparatus of claim 2, wherein the control module controls the positioning frequency of the positioning module according to the motion data of the apparatus, comprising:
determining step counting pulse and motion acceleration of the device according to the motion data of the device;
controlling the positioning frequency of the positioning module to be a first frequency under the condition that the step counting pulse is smaller than a first pulse threshold value and the motion acceleration is smaller than an acceleration threshold value;
when the step counting pulse is greater than or equal to the first pulse threshold, the step counting pulse is smaller than a second pulse threshold, and the motion acceleration is smaller than the acceleration threshold, controlling the positioning frequency of the positioning module to be a second frequency, wherein the second pulse threshold is greater than the first pulse threshold, and the second frequency is greater than the first frequency;
when the step counting pulse is greater than or equal to the second pulse threshold value and the motion acceleration is smaller than the acceleration threshold value, controlling the positioning frequency of the positioning module to be a third frequency, wherein the third frequency is greater than the second frequency;
and controlling the positioning frequency of the positioning module to be the third frequency under the condition that the motion acceleration is greater than or equal to the acceleration threshold value, and the duration of the motion acceleration which is greater than or equal to the acceleration threshold value is greater than or equal to a preset duration.
4. The apparatus of claim 3, wherein the control module is further configured to:
and when the motion acceleration exceeds the acceleration threshold, controlling the positioning module to perform positioning once.
5. The apparatus of claim 1, further comprising an alarm module coupled to the control module, the control module further configured to:
when the positioning module receives an alarm instruction, the alarm module is controlled to alarm,
wherein the alarm module comprises at least one of an indicator light and a vibration motor.
6. The device of claim 1, further comprising an alarm button coupled to the control module, the control module further configured to:
and when the alarm key is triggered, controlling the positioning module to send alarm information.
7. The apparatus of claim 2, further comprising a power module and a display module,
the power module is connected to the control module and used for supplying power to the device;
the display module is connected to the control module and used for displaying at least one of motion data of the device, positioning frequency of the positioning module and charging state of the power supply module.
8. The device of claim 2, wherein said access identification module, said inertial measurement module, said location module are connected to said control module via an SPI interface or an I2C interface.
9. The device of any one of claims 1 to 8, further comprising a device identifier for determining the identity of a mine worker carrying or wearing the device.
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Application publication date: 20200818 |