CN219314287U - Safety data acquisition system of mine construction elevator - Google Patents
Safety data acquisition system of mine construction elevator Download PDFInfo
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- CN219314287U CN219314287U CN202221380659.0U CN202221380659U CN219314287U CN 219314287 U CN219314287 U CN 219314287U CN 202221380659 U CN202221380659 U CN 202221380659U CN 219314287 U CN219314287 U CN 219314287U
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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
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The utility model discloses a safety data acquisition system of a mine construction elevator, which comprises a data acquisition device, a singlechip, a memory, a first LoRa wireless communication module and at least one LoRa gateway, wherein the first LoRa wireless communication module is connected with the data acquisition device; the data acquisition device comprises a guardrail acquisition unit, an elevator body acquisition unit and a lifting mechanism acquisition unit, and is used for acquiring safety data related to the guardrail, the elevator body and the lifting mechanism, and storing an acquisition result in a memory arranged on the elevator body through a singlechip; the singlechip sends the collected data in the memory to a LoRa gateway in a communication range through a first LoRa wireless communication module, and sends the data to a monitoring center through the LoRa gateway. The system and the method can prompt the illegal behaviors of workers in time, collect a large amount of accurate elevator operation data in real time and send the data to a monitoring center so as to finish safety precaution of the mine construction elevator.
Description
Technical Field
The utility model relates to the technical field of construction elevators, in particular to a safety data acquisition system of a mine construction elevator.
Background
In the development of natural resources such as petroleum, coal mine, natural gas and the like, ensuring underground safety is a great importance in various production activities. The mine construction elevator is used as a main means for entering and exiting a mine, and also becomes an important monitoring object. At present, aiming at the day-to-day variation of the research of the mine construction elevator, part of researchers propose that advanced artificial intelligence and big data analysis technology can be applied to the evaluation of the elevator safety, and a corresponding elevator safety evaluation system is constructed so as to evaluate the elevator safety in an early warning mode. However, the aforementioned evaluation methods rely heavily on a large amount of accurate elevator operation data, some of which may be available through the elevator control system, but some of which still require on-site measurements. The depth of the mine is different, usually between hundreds of meters and one thousand of meters, and part of the mine even reaches two or three kilometers, but underground communication conditions are bad, such as multiple interference and long communication distance, and how to realize real-time acquisition and transmission of elevator operation data is one of the problems to be solved at present.
In addition, staff does not have partial violations in the process of using the construction elevator, such as leaning on guardrail, overweight operation, people or thing that is in the elevator body drop out of the elevator body etc., how to carry out timely rule bundles to the violations is also the technical problem that current mine construction elevator exists.
Disclosure of Invention
The utility model aims to provide a safety data acquisition system of a mine construction elevator, which can timely remind workers of illegal behaviors, and simultaneously acquire a large amount of accurate elevator operation data in real time and send the data to a monitoring center so as to finish safety early warning of the mine construction elevator.
In order to achieve the aim, the utility model provides a safety data acquisition system of a mine construction elevator, which comprises an elevator body, a lifting mechanism and guardrails; the elevator body is lifted along the mine opening under the action of the lifting mechanism, and the guardrail is arranged at the edge of the elevator body in a surrounding manner;
the safety data acquisition system comprises a data acquisition device, a singlechip, a memory, a first LoRa wireless communication module and at least one LoRa gateway;
the data acquisition device comprises a guardrail acquisition unit, an elevator body acquisition unit and a lifting mechanism acquisition unit, and is used for acquiring safety data related to the guardrail, the elevator body and the lifting mechanism, and storing an acquisition result in a memory arranged on the elevator body through a singlechip;
the first LoRa wireless communication module is installed on the elevator body, at least one LoRa gateway is distributed and arranged on the wall of a mine, and the singlechip transmits collected data in the memory to the LoRa gateway in a communication range through the first LoRa wireless communication module and transmits the data to the monitoring center through the LoRa gateway.
Further, the guardrail collecting unit comprises vibration sensors arranged in the guardrail and infrared sensors distributed on the upper surface of the guardrail;
the vibration sensor is used for collecting vibration data of the guardrail and transmitting the vibration data to the memory;
the infrared sensor is connected with the alarm, and the infrared sensor is used for detecting whether a shielding object appears right above the guardrail.
Further, the alarm adopts an indicator light and a buzzer.
Further, the upper surface of guardrail is provided with the recess, and infrared sensor installs in the recess, and transparent glass is installed at the recess top.
Further, the elevator body acquisition unit comprises a weighing sensor and a six-axis gyroscope which are arranged on the elevator body; the bearing sensor is used for weighing the weight of the bearing object on the elevator body; the six-axis gyroscope is used for measuring the attitude data of the elevator body.
Further, the lifting mechanism acquisition unit comprises a speed sensor and a shooting device which are arranged on the elevator body; the speed sensor is used for measuring the moving speed of the elevator body, and the shooting device is used for shooting video images of the lifting mechanism.
Further, the lifting mechanism acquisition unit also comprises UWB radio frequency modules arranged on the elevator body and UWB base station groups distributed on the mine wall;
each UWB base station group comprises two UWB base stations, the distance between the two UWB base stations is smaller than a set distance threshold, and the overlapping coverage area of all the positioning base stations of the base station group is set as the positioning coverage area of the base station group; the distance between any two base station groups is smaller than the sum of the radius of the positioning coverage areas of the two base station groups;
the UWB base station group is connected with the nearest LoRa gateway through the built-in second LoRa wireless communication module, real-time position coordinates of the elevator body are obtained through measurement according to the data message sent by the UWB radio frequency module, and the measured position coordinates of the elevator body are sent to the monitoring center through the LoRa gateway.
Further, the set distance threshold is 10 meters.
Further, the lifting mechanism comprises a lifting rail; the interior of the lifting track is hollow, and a through hole is formed in the side wall of the position close to the UWB base station; the cable passes through the cavity of the lifting track and a branch cable or branch power storage device connected with the UWB base station is arranged at each through hole adjacent to the UWB base station to supply power to the UWB base station.
Further, a sealing gasket is arranged at the through hole.
Compared with the prior art, the technical scheme of the utility model has the remarkable beneficial effects that:
firstly, the safety data acquisition system of the mine construction elevator can prompt staff to perform illegal actions, such as leaning on guardrails, overweight running and the like in time.
Secondly, the safety data acquisition system of the mine construction elevator can acquire a large amount of accurate elevator operation data in real time and send the data to a monitoring center so as to finish safety pre-warning of the mine construction elevator.
Thirdly, the safety data acquisition system of the mine construction elevator adopts the base station group to realize accurate position positioning of the elevator body, so that a monitoring center can acquire the movement track of the elevator body according to the position coordinates of the elevator body, and further analyze the elevator operation data.
It should be understood that all combinations of the foregoing concepts, as well as additional concepts described in more detail below, may be considered a part of the inventive subject matter of the present disclosure as long as such concepts are not mutually inconsistent. In addition, all combinations of claimed subject matter are considered part of the disclosed inventive subject matter.
The foregoing and other aspects, embodiments, and features of the present teachings will be more fully understood from the following description, taken together with the accompanying drawings. Other additional aspects of the utility model, such as features and/or advantages of the exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of the embodiments according to the teachings of the utility model.
Drawings
The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the utility model will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural view of a safety data collection system of a mine construction elevator of the present embodiment.
Fig. 2 is a schematic diagram of the structure of the base station group in this embodiment.
Detailed Description
For a better understanding of the technical content of the present utility model, specific examples are set forth below, along with the accompanying drawings.
The mine construction elevator comprises an elevator body, a lifting mechanism and guardrails. The elevator body is lifted along the mine opening under the action of the lifting mechanism, and the guardrail is arranged at the edge of the elevator body in a surrounding manner, so that people or objects in the elevator body are prevented from falling out of the elevator body.
Referring to fig. 1, the secure data acquisition system comprises a data acquisition device 1, a single chip microcomputer 2, a memory 3, a first LoRa wireless communication module 4 and at least one LoRa gateway 5.
The data acquisition device 1 comprises a guardrail acquisition unit, an elevator body acquisition unit and a lifting mechanism acquisition unit and is used for acquiring safety data related to the guardrail, the elevator body and the lifting mechanism and storing an acquisition result in a memory 3 arranged on the elevator body through a singlechip 2.
The first LoRa wireless communication module is installed on the elevator body, at least one LoRa gateway 5 is distributed and arranged on the well wall of a mine, the singlechip 2 sends collected data in the memory 3 to the LoRa gateway 5 in a communication range through the first LoRa wireless communication module, and the data is sent to a monitoring center through the LoRa gateway 5.
The number of the LoRa gateways 5 is set according to the mine depth. The LoRa has the advantages of long communication distance, strong anti-interference capability, low power and the like, and is proved by practice to be very suitable for data transmission under the mine. When the mine depth is within the transmission distance range of the LoRa gateway 5, the LoRa gateway 5 can be installed near the wellhead, so that the data acquisition of the point construction elevator is realized; correspondingly, if the mine depth is deeper, the transmission distance of the LoRa gateways 5 is exceeded, and a plurality of the LoRa gateways 5 can be arranged in a networking mode, so that the whole-process coverage of the construction elevator is realized.
The singlechip 2 is respectively connected with the data acquisition device 1, the memory 3 and the first LoRa wireless communication module 4, the data acquisition device 1 acquires safety data related to the guardrail, the elevator body and the lifting mechanism, the acquired data are transmitted to the memory 3 through the singlechip 2, the singlechip 2 regularly extracts the acquired data in the memory 3, the acquired data are regularly transmitted to the monitoring center through the first LoRa wireless communication module, and the monitoring center carries out safety analysis on the running state of the construction elevator. The collected data here may be all the operating data that the construction elevator has and can collect directly.
In this embodiment, disassemble the construction elevator into guardrail, elevator body and elevating system three parts, except can make the data collection have classification characteristic, still a more important purpose is that the partial measurement data can be immediately used, realizes real-time supervision. The following list is partially capable of satisfying the acquisition data for immediate use at the same time.
Illustratively, the guardrail acquisition unit comprises vibration sensors arranged in the guardrail and infrared sensors distributed on the upper surface of the guardrail; the vibration sensor is used for collecting vibration data of the guardrail and transmitting the vibration data to the memory 3; the infrared sensor is connected with the alarm, and the infrared sensor is used for detecting whether a shielding object appears right above the guardrail.
The mine construction elevator is usually open, a part of workers often lean against the guardrail by accident or stack articles on the guardrail, so that the elevator is easy to drop on one hand and is easy to scratch by a close-distance wall or a lifting rail on the other hand; and the effective space for transporting objects is obviously reduced by reducing the protection range of the guardrail. Therefore, a plurality of infrared sensors can be installed on the upper surface of the guardrail, the infrared sensors are used for monitoring shielding objects in the space above the guardrail, and once the human body or the objects are found to appear right above the guardrail, the alarm gives out a warning to remind workers of paying attention to safety.
Preferably, the vibration sensor can also be connected with an alarm, and the alarm gives an alarm when the vibration amplitude exceeds a preset amplitude threshold value. The alarm can adopt an indicator light and a buzzer.
In order to avoid damaging the infrared sensor, the upper surface of the guardrail is provided with a groove, the infrared sensor is arranged in the groove, and transparent glass is arranged at the top of the groove.
Illustratively, the elevator body acquisition unit includes a load cell and a six-axis gyroscope mounted on the elevator body; the bearing sensor is used for weighing the weight of the bearing object on the elevator body; the six-axis gyroscope is used for measuring the attitude data of the elevator body. When the elevator body is overweight, greatly shakes, and the inclination angle is overlarge, the elevator body gives an alarm in time to remind a worker to pay attention to.
Illustratively, the elevator mechanism acquisition unit includes a speed sensor and a camera mounted on the elevator body; the speed sensor is used for measuring the moving speed of the elevator body, and the shooting device is used for shooting video images of the lifting mechanism.
Referring to fig. 2, the elevator mechanism acquisition unit further includes, illustratively, UWB radio frequency modules mounted on the elevator body and UWB base station sets disposed on the walls of the mine shaft.
Each UWB base station group comprises two UWB base stations, the distance between the two UWB base stations is smaller than a set distance threshold (such as 10 meters, etc.), and the overlapping coverage area of all the positioning base stations of the base station group is set as the positioning coverage area of the base station group; the distance between any two base station groups is smaller than the sum of the radii of the positioning coverage areas of the two base station groups.
The utility model with publication number CN110677805A provides a positioning method and a system suitable for underground coal mine, at least two positioning base stations are used as a group of base stations, data messages between any positioning tag and at least two positioning base stations of one base station group are received, the data messages are analyzed to obtain distance values of the positioning tag and the positioning base stations of the base station group, and the distance values are combined to obtain position coordinates of the positioning tag. The utility model has stronger adaptability to the underground environment of the coal mine, is convenient for system expansion and background calculation, can reduce the installation number of base stations, shares part of cables and saves cost.
The result at the mine mouth is similar to the road structure under the coal mine, and can be regarded as one-dimensional space, so that the accurate positioning of the position of the elevator body can be realized through the mode.
The UWB base station group is connected with the nearest loRa gateway 5 through the built-in second loRa wireless communication module, real-time position coordinates of the elevator body are obtained through measurement according to the data message sent by the UWB radio frequency module, and the measured position coordinates of the elevator body are sent to the monitoring center through the loRa gateway 5.
As for the power supply mode, the lifting mechanism includes a lifting rail; the interior of the lifting track is hollow, and a through hole is formed in the side wall of the position close to the UWB base station; the cable passes through the cavity of the lifting track and a branch cable or branch power storage device connected with the UWB base station is arranged at each through hole adjacent to the UWB base station to supply power to the UWB base station. For dust prevention and water prevention, a sealing gasket is arranged at the through hole.
Aspects of the utility model are described in this disclosure with reference to the drawings, in which are shown a number of illustrative embodiments. The embodiments of the present disclosure need not be defined to include all aspects of the present utility model. It should be understood that the various concepts and embodiments described above, as well as those described in more detail below, may be implemented in any of a number of ways, as the disclosed concepts and embodiments are not limited to any implementation. Additionally, some aspects of the disclosure may be used alone or in any suitable combination with other aspects of the disclosure.
While the utility model has been described with reference to preferred embodiments, it is not intended to be limiting. Those skilled in the art will appreciate that various modifications and adaptations can be made without departing from the spirit and scope of the present utility model. Accordingly, the scope of the utility model is defined by the appended claims.
Claims (10)
1. The safety data acquisition system of the mine construction elevator is characterized in that the mine construction elevator comprises an elevator body, a lifting mechanism and guardrails; the elevator body is lifted along the mine opening under the action of the lifting mechanism, and the guardrail is arranged at the edge of the elevator body in a surrounding manner;
the safety data acquisition system comprises a data acquisition device, a singlechip, a memory, a first LoRa wireless communication module and at least one LoRa gateway;
the data acquisition device comprises a guardrail acquisition unit, an elevator body acquisition unit and a lifting mechanism acquisition unit, and is used for acquiring safety data related to the guardrail, the elevator body and the lifting mechanism, and storing an acquisition result in a memory arranged on the elevator body through a singlechip;
the first LoRa wireless communication module is installed on the elevator body, at least one LoRa gateway is distributed and arranged on the wall of a mine, and the singlechip transmits collected data in the memory to the LoRa gateway in a communication range through the first LoRa wireless communication module and transmits the data to the monitoring center through the LoRa gateway.
2. The safety data acquisition system of the mine construction elevator according to claim 1, wherein the guardrail acquisition unit comprises vibration sensors installed in the guardrail and infrared sensors distributed on the upper surface of the guardrail;
the vibration sensor is used for collecting vibration data of the guardrail and transmitting the vibration data to the memory;
the infrared sensor is connected with the alarm, and the infrared sensor is used for detecting whether a shielding object appears right above the guardrail.
3. The safety data acquisition system of a mine construction elevator according to claim 2, wherein the alarm employs an indicator light and a buzzer.
4. The safety data acquisition system of the mine construction elevator according to claim 3, wherein the upper surface of the guardrail is provided with a groove, the infrared sensor is installed in the groove, and transparent glass is installed at the top of the groove.
5. The safety data acquisition system of a mine construction elevator according to claim 1, wherein the elevator body acquisition unit comprises a load cell and a six-axis gyroscope mounted on an elevator body; the bearing sensor is used for weighing the weight of the bearing object on the elevator body; the six-axis gyroscope is used for measuring the attitude data of the elevator body.
6. The safety data acquisition system of a mine construction elevator according to claim 1, wherein the lifting mechanism acquisition unit comprises a speed sensor and a photographing device mounted on an elevator body; the speed sensor is used for measuring the moving speed of the elevator body, and the shooting device is used for shooting video images of the lifting mechanism.
7. The system for collecting safety data of a mine construction elevator according to claim 1, wherein the lifting mechanism collecting unit further comprises a UWB radio frequency module installed on the elevator body and a UWB base station group distributed on the wall of the mine;
each UWB base station group comprises two UWB base stations, the distance between the two UWB base stations is smaller than a set distance threshold, and the overlapping coverage area of all the positioning base stations of the base station group is set as the positioning coverage area of the base station group; the distance between any two base station groups is smaller than the sum of the radius of the positioning coverage areas of the two base station groups;
the UWB base station group is connected with the nearest LoRa gateway through the built-in second LoRa wireless communication module, real-time position coordinates of the elevator body are obtained through measurement according to the data message sent by the UWB radio frequency module, and the measured position coordinates of the elevator body are sent to the monitoring center through the LoRa gateway.
8. The safety data collection system for a mine construction elevator according to claim 7, wherein the set distance threshold is 10 meters.
9. The safety data collection system of a mine construction elevator of claim 1, wherein the lifting mechanism comprises a lifting rail; the interior of the lifting track is hollow, and a through hole is formed in the side wall of the position close to the UWB base station; the cable passes through the cavity of the lifting track and a branch cable or branch power storage device connected with the UWB base station is arranged at each through hole adjacent to the UWB base station to supply power to the UWB base station.
10. The safety data collection system of a mine construction elevator according to claim 9, wherein a sealing gasket is provided at the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221380659.0U CN219314287U (en) | 2022-06-06 | 2022-06-06 | Safety data acquisition system of mine construction elevator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221380659.0U CN219314287U (en) | 2022-06-06 | 2022-06-06 | Safety data acquisition system of mine construction elevator |
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| CN219314287U true CN219314287U (en) | 2023-07-07 |
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| CN202221380659.0U Active CN219314287U (en) | 2022-06-06 | 2022-06-06 | Safety data acquisition system of mine construction elevator |
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