KR102185357B1 - System and method for location-based mine environment measurement - Google Patents

Abstract

According to the present disclosure, a location-based mine pit environmental condition measurement system comprises: a worker helmet including a location detection module, a worker environment sensing module, a communication module, and a signal display unit; a location detection reader interlocking with the location detection module to identify a location of the worker helmet; one or more environment sensing devices installed in the tunnel; and a data server which collects environment sensing information collected from the worker environment sensing module and the environment sensing device. The data server receives a location of the identified worker helmet from the location detection reader, and checks the current location, the front unit area, and an environmental condition of the rear unit area based on the location of the worker helmet based on the collected environment sensing information. The checked environmental condition is determined by the risk level for each area according to a preset management standard value, and is transmitted to the worker helmet as a differentiated signal based on the risk level. The worker helmet receives the differentiated signal and displays the signal on the signal display unit.

Description

Location-based mine mine environment measurement system and its method {SYSTEM AND METHOD FOR LOCATION-BASED MINE ENVIRONMENT MEASUREMENT}

The present invention relates to a system for measuring environmental conditions in a location-based mine pit and a method thereof, and more particularly, to a system for environmental conditions in a mine pit to protect workers from environmental hazards from various air pollutants in the mine pit.

Unless otherwise indicated herein, the content described in this section is not prior art to the claims of this application, and inclusion in this section is not admitted to be prior art.

In the existing technology, environmental measurement modules such as gas sensors and temperature and humidity sensors are fixedly installed on the walls of the pit for monitoring the atmospheric conditions in the pit, and the measurement data is transmitted to the server and managed through ventilation control in the integrated management system or at a specific location. It is a form of guiding by installing an LED display board. Alternatively, a helmet or an X-band equipped with a portable gas sensor is provided to the worker so that the worker can directly check the environmental condition at the site.

However, this method has a problem in terms of prevention because it is possible to check the waiting state at the point where the worker is currently located, but it is not a method to check in advance environmental information on the point where the worker is moving, that is, the worker's planned moving area.

In addition, the existing technology provides only information on the atmospheric environment of the surrounding area where the sensor is installed in the mine, and does not provide information on the waiting state of the expected destination point according to the direction of the worker's movement and when the tunnel is branched or merged. . In the conventional method, since it is necessary to install a number of sensors in order to increase the accuracy of environmental information in the pit, and the overall management and maintenance cost is increased, it is very necessary to develop a more efficient mine pit environmental condition measurement system technology.

1. Korean Patent Registration No. 10-1564603 (2015.10.26)

There are various air pollutants such as exhaust gas, blasting, and dust from mining and working vehicles in the mine, but due to the characteristics of the inside of the mine, ventilation from the outside is not smooth, so workers such as miners working in the mine are exposed to environmental risks. Of course, in order to respond to this, the mine operates a fan through a ventilation system in each area of the pit, but the ventilation management operation over a wide range of tunnels is limited, so information on environmental conditions in the area where the worker is located as well as in the surrounding area is provided to the worker. If it can be provided, the operator can respond to the risk in advance.

A location-based mine pit environmental condition measurement system according to an embodiment includes: a worker helmet including a location detection module, a worker environment sensing module, a communication module, and a signal display unit; A location detection reader interlocking with the location detection module to identify a location of a worker helmet; One or more environment sensing devices installed in the tunnel; And a data server for collecting environment sensing information collected from the worker environment sensing module and environment sensing device.

The data server receives the location of the worker helmet identified from the location detection reader, and checks the current location, the front unit area, and the environmental status of the rear unit area based on the location of the worker helmet based on the collected environment sensing information. , The identified environmental state is determined by the risk level for each area according to a preset management standard value, and is transmitted to the worker helmet as a differential signal based on the risk level, and the worker helmet receives the differentiated signal and receives the signal from the signal display unit. Indicate.

The location-based mine pit environmental condition measurement system as described above, in the present invention, can measure the environmental condition at the operator's position in real time by attaching a position detection module and an environment sensing module to a helmet worn by a mine worker, and communication This information can be sent to the server through the module. Therefore, based on the current location of the worker (i.e., based on the location of the worker), the environmental status information at the current location and the environmental status information for each front and rear unit area are provided through wireless communication equipment mounted on the helmet. It can help workers to take precautions and reduce the likelihood of safety accidents.

Furthermore, in determining environmental status information for each unit area in the front and rear, more precise environmental status information for each unit area is measured by taking into account environmental impacts from other tunnels within a plurality of tunnels through branch points or points where branches are combined. This is possible.

In addition, the existing technology transmitted signals by light or sound directly from the sensor equipment installed at a specific location in the tunnel, but in the present invention, since the signal transmitted to the operator is transmitted directly from the helmet worn by the operator, the signal transmission constant is maintained. do. Furthermore, in the signal transmission system, the current position, the rear position area, and the front position area are divided into areas to provide environmental risk, but the environmental risk is calculated based on comprehensive background information from the server and is a simplified signal according to the reference value. Since it is provided on the worker helmet, the worker can intuitively receive environmental status information in the front and rear unit zones based on their current location.

The effects of the present invention are not limited to the above effects, and should be understood to include all effects that can be inferred from the configuration of the invention described in the detailed description or claims of the present invention.

1 is a view showing a system for measuring environmental conditions in a location-based mine mine according to an embodiment.
2 is a view showing a helmet for a mine worker used in the measurement system according to the embodiment.
3 is a diagram showing a schematic diagram of a system for measuring environmental conditions in a mine mine based on a location of a worker.

Advantages and features of the present invention, and a method of achieving them will become apparent with reference to the embodiments described below in detail together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in a variety of different forms, only the present embodiments are intended to complete the disclosure of the present invention, and the general knowledge in the art It is provided to completely inform the scope of the invention to those who have it, and the invention is only defined by the scope of the claims. The same reference numerals refer to the same elements throughout the specification.

In describing embodiments of the present invention, if it is determined that a detailed description of a known function or configuration may unnecessarily obscure the subject matter of the present invention, a detailed description thereof will be omitted. In addition, terms to be described later are terms defined in consideration of functions in an embodiment of the present invention, which may vary according to the intention or custom of users or operators. Therefore, the definition should be made based on the contents throughout this specification.

1 is a diagram showing a system for measuring environmental conditions in a location-based mine mine according to an embodiment.

A system for measuring environmental conditions in a location-based mine mine according to an embodiment includes: a worker helmet including a location detection module, a worker environment sensing module, a communication module, and a signal display unit; A location detection reader interlocking with the location detection module to identify a location of a worker helmet; One or more environment sensing devices installed in the tunnel; And a data server for collecting environment sensing information collected from the worker environment sensing module and environment sensing device.

The data server may receive the location of the worker helmet identified from the location detection reader, and check the current location, the front unit area, and the environmental status of the rear unit area based on the location of the worker helmet based on the collected environment sensing information. have.

The identified environmental condition is determined by the risk level for each area according to a preset management standard value, and is transmitted to the worker helmet as a differential signal based on the risk level, and the worker helmet receives the differentiated signal and displays the signal on the signal display unit. can do. The operator can receive the risk of the current location, the front unit area and the rear unit area by looking at the signal.

2 is a view showing a helmet for a mine worker used in the measurement system according to the embodiment. The present invention will be described in more detail with reference to FIG. 2 as follows. The location detection module of the worker helmet is equipped with a tag to identify the worker helmet (for example, RF Tag), and a location detection reader (Reader, hereinafter simply referred to as'Reader') for the location recognition of the tag. Is installed in the pit for each unit area (or at a certain distance). The reader may be installed separately from the environment sensing device, or may be installed integrated with the environment sensing device. At this time, various systems using tags such as AOA, ToA, and TDoA can be operated as the system for location recognition, and the environmental condition measurement system operated by the environment sensing device is, for example, CO, CO2, NO, NO2, SO2. It operates as a system that measures the gas, temperature and humidity of the back.

When the tag of the helmet worn by the worker is recognized through the reader located in each unit area, the wireless gateway interlocked with the reader sends a command to collect the environment sensing information at the current worker location to the environment sensor module. And the environment sensing module transmits the measured sensor data to the gateway. Based on the data collected for each location, the server provides the tag holders of the location with environmental sensing information measured in the current location and the front and rear unit areas through wireless communication.

The environmental information provided to the tag holder is calculated by integrating the environmental sensing information collected from individual workers and the data collected from the fixed environment sensing device on the server, and periodically provides environmental information of the front and rear and the current location based on the worker's location. .

3 is a diagram showing a schematic diagram of a system for measuring environmental conditions in a mine mine based on a location of a worker. The present invention will be described in more detail with reference to FIG. 3 as follows.

Based on the management standard value set by the server for each unit area's environmental status, for example, the risk level can be determined as Danger (Red)-Caution (Yellow)-Safety (Green), and the operator can intuitively check the risk level. It can be provided to the operator in a three-stage LED method. The operator can check the environmental information of the current location and nearby locations. For example, by displaying the environmental status information of the front 100m point-the current location-the rear 100m point based on the worker's location, the operator can preview the status of the moving point. After checking, let it move.

In one embodiment, the data server may utilize various environmental information to check the environmental status of the tunnel at the location of the worker. For example, first environmental information (e1) collected by the worker environment sensing module of the current worker helmet; Second environmental information (e2) collected by the closest environmental sensing device based on the position of the current worker helmet; And third environmental information (e3) collected by an environment sensing device adjacent to the current worker's helmet in the next priority based on the current location of the worker's helmet.

In one embodiment, when the data server determines the risk of the current location, weights are assigned to each environmental information to determine the worker's current location, the front unit area, and the work risk level (total risk) of the rear unit area. . For example, when determining the risk of the worker's current location, a first weight for the first environmental information (e1), a second weight for the second environmental information (e2), and a third weight for the third environmental information (e3). By assigning weights, the overall risk of the current location can be determined. In this case, the first weight is larger than the second weight and the second weight is larger than the third weight, so that environmental information closest to the current location may be prioritized.

When the data server determines the risk of the current location, it is possible to increase the accuracy of the risk determination by distinguishing when the environment sensing device is in the same unit area and when it is in a different unit area. For example, when the closest environmental sensing device and the next closest environmental sensing device based on the position of the current worker's helmet are in the same area (in other words, when both are in the front unit area or both are in the rear unit area), The third weight can be further reduced. Conversely, when the closest environment sensing device and the next environment sensing device are in different areas (in other words, when one of the two is in the front unit area and the other is in the rear unit area), the third weight is applied. You can increase it further. (At this time, even if the third weight is increased, it is set to be smaller than the second weight.)

In one embodiment, when the data server checks the environmental status of the front unit area within the tunnel, the front environmental status is checked using additional environmental information in addition to the first environmental information collected by the worker environment sensing module of the current worker helmet. I can. For example, based on the current position of the worker's helmet, it is collected from the closest environmental sensing device in the front (e.g., when the unit area is set in units of 100m, the point that proceeds 100m into the tunnel based on the position of the worker's helmet) First forward environmental information; And second front environment information collected by the environment sensing device adjacent to the next priority from the front based on the position of the current worker's helmet, the front environment state of the worker may be confirmed.

In this case, in determining the risk of the front unit area, the data server assigns a first weight to the first environment information, a second weight to the first front environment information, and a third weight to the second front environment information. It is possible to judge the overall risk of the unit area. Here, the first weight is larger than the second weight, and the second weight is larger than the third weight. This is to prioritize environmental information close to the worker based on the current location. In the present embodiment, a method of checking environmental information in a front unit zone and determining the degree of risk is described, but this may also be applied to an embodiment in which environmental information in a rear unit zone is checked and the degree of risk is determined.

In one embodiment, there is a case where the tunnel in which the worker is located is connected to another tunnel. At this time, it is necessary to determine and predict the environmental condition within the unit area by considering the influence of the environmental condition propagating from other tunnels in addition to the environmental condition of the tunnel where the worker is currently located.

Specifically, when the data server checks the environmental state of the front unit area within the tunnel, when there is a branch point connected to another tunnel in the front unit area, the first collected from the environment sensing device of the other tunnel closest to the branch point. Additional environmental information; And second additional environmental information collected from the environment sensing device of another tunnel adjacent to the branch point in the next order, and in consideration of the further, the front environmental state of the worker may be checked.

Here, a first additional weight is given to the first additional environmental information and a second additional weight is given to the second additional environmental information to determine the corrected overall risk of the front unit area, and the first additional weight is greater than the second additional weight. It is large, and the first additional weight may be set smaller than the third weight. This is to prioritize the closest environmental condition based on the junction where the tunnel is connected.

In one embodiment, the operator's location-based mine pit environmental condition measurement system may transmit various information to the operator through a simplified signal to the operator's helmet. In a special working environment, such as in a tunnel, the transmission of information is inevitably limited. Therefore, there is a need to configure a signal display unit so that the operator can judge the environmental condition and work risk level near the operator in a simplified but intuitive manner.

As an example, three LEDs corresponding to the current position, the front unit area, and the rear unit area are used, but signals can be transmitted by dividing them into red, yellow, and green according to the degree of danger. In addition, when there is a branch point in front of the operator's position, the LED corresponding to the front unit area can transmit the risk level with a blinking signal. For example, if there is a branch point in front and the current tunnel is in good environmental condition, but the environmental condition is dangerous in other tunnels connected to the current tunnel, pollutants may spread from other tunnels, so the LED in the front unit area is green. Signals can be propagated by flashing and red alternately. That is, when one or more environmental conditions are mixed in the unit area or when a change in environmental conditions is expected, the signal display unit may be configured to cross and transmit signals in consideration of the expected risk. Alternatively, when the environmental condition changes rapidly and deteriorates rapidly, the signal display unit can promptly flash the danger signal (Red) according to the propagation speed to intuitively communicate the deterioration of the environmental condition to the user.

The disclosed contents are only examples, and various changes can be made by those of ordinary skill in the art without departing from the gist of the claims claimed in the claims, so the scope of protection of the disclosed contents is It is not limited to the examples.

10: worker helmet
20: environment sensing device
30: data server
110: location detection module
120: worker environment sensing module
130: communication module
140: signal display

Claims (8)

A worker helmet including a location detection module, a worker environment sensing module, a communication module, and a signal display unit;
A location detection reader interlocking with the location detection module to identify a location of a worker helmet;
One or more environment sensing devices installed in the tunnel; And
Includes; a data server for collecting environmental sensing information collected from the worker environment sensing module and the environment sensing device,
The data server receives the location of the worker helmet identified from the location detection reader, and checks the current location, the front unit area, and the environmental status of the rear unit area based on the location of the worker helmet based on the collected environment sensing information. ,
The confirmed environmental condition is determined by the risk level for each zone according to a preset management standard value, and is transmitted to the worker helmet as a differential signal based on the risk level,
The worker helmet receives the differentiated signal and displays the signal in the signal display unit,

When the data server checks the environmental status of the front unit area within the tunnel,
First environment information collected by the worker environment sensing module of the current worker helmet;
First front environment information collected by the environment sensing device closest to the front based on the position of the current worker helmet; And
Based on the second front environment information collected by the environment sensing device adjacent to the next priority from the front based on the position of the current worker's helmet, the front environment state of the worker is checked,

In determining the risk of the front unit area by the data server,
A first weight for the first environmental information, a second weight for the first front environmental information, and a third weight for the second front environmental information are assigned to determine the overall risk of the front unit area,
The first weight is greater than the second weight, the second weight is greater than the third weight,

When the data server checks the environmental status of the front unit area within the tunnel,
When there is a branch point connected to other tunnels in the front unit area,
First additional environment information collected from the environment sensing device of another tunnel closest to the branch point; And
In consideration of the second additional environment information collected from the environment sensing device of another tunnel adjacent to the branch point in the next order, the operator's front environment status is checked,

In determining the risk of the front unit area by the data server,
A first additional weight is given to the first additional environmental information and a second additional weight is assigned to the second additional environmental information to determine the corrected overall risk of the front unit area,
The first additional weight is greater than the second additional weight, the first additional weight is less than the third weight,

The signal display unit of the operator's helmet includes a plurality of LEDs corresponding to the current position, the front unit area, and the rear unit area, and transmits signals by dividing them into different colors according to the risk of the danger-attention-safety stage, and When there is a branch point and the environmental conditions of the current tunnel and other tunnels are different, the LED in the front unit area reflects the current environmental condition of the tunnel and the environmental conditions of other tunnels connected through the branch point and propagates signals in a flashing manner. It characterized in that, location-based mine pit environmental condition measurement system. The method of claim 1,
When the data server checks the environmental status of the tunnel at the worker's location,
First environmental information (e1) collected by the worker environment sensing module of the current worker helmet;
Second environmental information (e2) collected by the nearest environmental sensing device based on the position of the current worker's helmet; And
A location-based mine pit environmental condition measurement system, characterized in that, based on the third environmental information (e3) collected from an environmental sensing device adjacent to the position of the operator's helmet in the next order; . The method of claim 2,
In determining the risk of the current location by the data server,
The overall risk of the current location is determined by assigning a first weight to the first environmental information (e1), a second weight to the second environmental information (e2), and a third weight to the third environmental information (e3),
The first weight is greater than the second weight, and the second weight is greater than the third weight. The method of claim 3,
In determining the risk of the current location by the data server,
When the environment sensing device closest to the position of the current worker's helmet and the environment sensing device adjacent to the next priority are in the same area, the third weight is further reduced.

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