CN112950919A - Mine promotes unmanned on duty's cage wireless signal device - Google Patents
Mine promotes unmanned on duty's cage wireless signal device Download PDFInfo
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- CN112950919A CN112950919A CN202110257621.8A CN202110257621A CN112950919A CN 112950919 A CN112950919 A CN 112950919A CN 202110257621 A CN202110257621 A CN 202110257621A CN 112950919 A CN112950919 A CN 112950919A
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- cage
- box
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- signal device
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
- B66B1/3446—Data transmission or communication within the control system
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The invention belongs to a hoist and a control technology thereof, and provides a wireless cage signal device for mine hoisting, which is powered by a storage battery; the system mainly comprises a wireless charger, a battery box, a control box, a network video camera, a voice interphone, an LED illuminating lamp, an operation box, directional antennas I and II and an antenna access box; in the intermittent time when the cage is stopped at the wellhead accurately, the storage battery is charged by the wireless charger, so that the cruising ability of the storage battery is ensured; a wireless network card I as a client moving along with the cage and a wireless network card II as an access end form a network bridge through a pair of directional antennas I and II, and signals of the cage wireless signal device are accessed into a lifting signal system; by means of the invention, cage lifting can realize elevator type operation, the signal system realizes unattended operation, labor cost is saved, working efficiency of the lifting system is improved, and social and economic benefits are obvious.
Description
Technical Field
The invention belongs to the technical field of hoists and control thereof, and particularly provides a wireless cage signal device for unattended mine hoisting.
Background
The traditional lifting signal system needs to be attended, one parking level generally needs one signaler per shift, the number of the signalers is at least eight according to the four shift system every day, and aiming at a mine with only two parking levels of a wellhead and a shaft bottom, the number of the signalers on duty is correspondingly increased along with the increase of the parking level, so that the expense for the mine is not small.
The key to realizing the unattended operation of the mine hoisting system is to realize the unattended operation of the hoisting signal system, and the unattended operation not only saves the expenditure, but also improves the efficiency and the safety of the hoisting system.
The interior of a traditional cage is not provided with any electric facilities generally, and unattended operation cannot be realized. The invention is based on the existing lifting signal system for PLC control, mainly comprising a well head signal station (box), a middle section horizontal signal box, a well bottom signal station (box), an acousto-optic alarm box and the like, wherein a network switch is arranged in each box (box) to realize network communication, otherwise, the lifting signal system needs to be upgraded simultaneously in the process of implementing the invention.
Disclosure of Invention
The invention aims to provide a wireless cage signal device for mine lifting unattended operation, which aims to realize elevator type operation of cage lifting, and has the functions of voice talkback, illumination, video and the like, and passengers can switch a safety door, lift a cradle, select directions, send driving and parking signals and the like in a cage.
The invention adopts the following technical scheme to achieve the aim of the invention:
a wireless signal device for a mine hoisting unattended cage is characterized in that an electrical facility in the cage is additionally arranged on the basis of an existing hoisting signal system; the cage wireless signal device comprises a wireless charger, a battery box and a control box which are arranged on the top of the cage, a network video camera, a voice interphone, an LED illuminating lamp and an operation box which are arranged in the cage, a directional antenna I arranged on the top of the control box, a directional antenna II arranged at the high position of a derrick and an antenna access box; the directional antennas I and II are oppositely radiated and are assembled and used in a matched mode; the battery box is provided with a plurality of storage batteries, the control box is provided with a network switch, a wireless network card I and a PLC, the operation box is provided with a plurality of buttons with lamps, and the antenna access box is provided with a wireless network card II; the input end of the wireless charger is connected to the AC220V power supply end through a randomly matched power adapter and a power cord thereof, and the AC220V power supply end is taken from an wellhead signal station or box in the lifting signal system; the output end of the wireless charger is connected with the input end of the battery box through a power cable, and the output end of the battery box is connected with the power input end of the control box through the power cable to provide power for the cage wireless signal device; the network video camera and the voice interphone are respectively connected with a corresponding network port or input/output interface and an antenna plug in the control box through a shielding network cable, the LED illuminating lamp and the operation box through a control cable and the directional antenna I through an antenna feeder; the directional antenna II is connected with an antenna plug of the antenna access box through an antenna feeder, and a net port of the antenna access box is connected with a net port in the wellhead signal station or the box through a shielding net wire, so that signals of the cage wireless signal device are accessed into the lifting signal system.
The wireless charger mainly comprises a transmitting plate and a receiving plate, wherein the transmitting plate and the receiving plate are in a non-contact type, electric energy is transmitted through electromagnetic induction, the transmitting plate and the receiving plate are required to be installed in parallel in opposite directions and concentrically, and the errors of the interval and the center line between the transmitting plate and the receiving plate are within an allowable range, so that the charging efficiency of the wireless charger is ensured; for this purpose, the receiving plate is arranged at a proper position on the edge of the tank top, and the launching plate is arranged on the derrick and is parallel to the receiving plate in the opposite direction when the cage is in a well head accurate parking state, so that the space and the center line error between the launching plate and the receiving plate are ensured to meet the requirements; therefore, in the operation process of the cage, the wireless signal device of the cage is powered by the battery box, and when the cage is accurately parked at a wellhead, the intermittent time of parking is utilized to charge the storage battery in the battery box; the cruising ability of the battery box meets the requirement of power supply of the cage wireless signal device, the fragmented charging time is comprehensively considered, and the rated capacity (ampere hour Ah) of the storage battery is optimized.
Further, with the increase of the lifting height and the increase of the parking level, if the probability that the cage reaches the wellhead is reduced, the charging time of fragments at the wellhead is only dependent on the stop of the cage, and the endurance capacity of the battery box is not enough to be maintained, a group of transmitting plates of the wireless charger can be assembled at a proper position at the bottom of the well, so that the battery box can be charged in the accurate parking process at the bottom of the well, the endurance capacity of the battery box is further ensured, the wireless charger is formed in a state that two transmitting plates and one receiving plate are paired for use, the charging time is increased, and the charging efficiency is further improved. The rated output voltage of the receiving board is matched with the rated voltage of the battery box, preferably DC24V, the battery box is formed by connecting two storage batteries of DC12V in series, the rated capacity of each storage battery is selected according to the endurance requirement, and the positive and negative electrodes of the battery box are respectively connected to the terminals of +24V and 0V of the control box to provide a power supply of DC24V for the control box.
The PLC is of a self-contained CPU type or a remote I/O communication module type and is at least provided with 1 network port.
The network switch is provided with at least 5 network ports, and except for standby, other network ports are respectively connected with the network ports of the wireless network card I, PLC, the network video camera and the voice interphone through shielding network cables.
The wireless network card I is configured in a client type and at least provided with 1 network port and 1 antenna plug, and the directional antenna I is connected with the antenna plug through an antenna feeder line.
The wireless network card II is arranged in the antenna access box and is configured to be an access end type and at least provided with 1 net port and 1 antenna plug, the directional antenna II is connected with the antenna plug of the wireless network card II through an antenna feeder line, and the net port of the wireless network card II is connected with the net port of the wellhead signal station or box through a shielding net wire, so that the signal access of the cage wireless signal device to the lifting signal system is completed.
The directional antenna II is hung below an anti-collision beam or at a position where the cage cannot be reached in normal operation, the antenna access box and the directional antenna II are installed as close as possible, and the central lines of the directional antennas I and II are basically consistent and installed in opposite directions, so that the efficiency of wireless information transmission is ensured; the wireless network card I and the directional antenna I are matched with the wireless network card II and the directional antenna II for use, the wireless network card I as a client moving along with the cage and the wireless network card II as an access end form a network bridge through a pair of the directional antennas, and the signal access of the cage wireless signal device is realized by the existing lifting signal system.
The battery box and the control box can be combined into a box body, the voice interphone can be arranged on the operation box, and the protection grade of the box and the box is IP54 or above so as to resist strong water and dust in a shaft; the cage wireless signal device of the present invention is required to have MA or KA certification and can be used in coal mines or metal and non-metal mines.
The operation box panel is provided with a plurality of buttons with lamps, and the buttons are mainly used for: opening and closing a safety door, lifting a cradle, selecting a cage to go to, sending a driving and stopping signal, and the like; the button terminals are respectively connected with an input interface of the switching value DI of the PLC, meanwhile, terminals of lamps on the buttons, including LED illuminating lamps, are respectively connected with an output interface of the switching value DO of the PLC, and when a passenger presses the button, the PLC outputs signals to control the corresponding lamps to be turned on only after the corresponding PLC input switching value signals are effective; the LED illuminating lamp is controlled by the PLC program, the cage is lightened before entering a person, and the passengers are extinguished after leaving the cage.
The wireless cage signal device for the mine hoisting unattended operation is powered by the storage battery, and the storage battery is charged by the wireless charger in the intermittent time when the cage is stopped at a well mouth accurately, so that the cruising ability of the storage battery is ensured. The wireless network card I as a client moving along with the cage and the wireless network card II as an access end have a network bridge erected by a pair of the directional antennas I and II, signals of a cage wireless signal device are accessed into the lifting signal system, passengers can switch on and off a safety door, lift a swing platform, select to go and send a driving and stopping signal and the like in the cage, and meanwhile, the functions of voice talkback, video, illumination in the cage and the like are achieved.
Drawings
FIG. 1 is a schematic diagram of the principles of the present invention;
fig. 2 is a schematic diagram of the arrangement of elements on the console panel according to the embodiment of the present invention.
In fig. 1: 1. the wireless charger, 1.1, the power adapter, 1.2 transmitting panels, 1.3 receiving panels, 2, the battery box, 3, the control box, 3.1, the network switch, 3.2, the wireless network card I, 3.3, the PLC, 4, the cage, 4.1, the network video camera, 4.2, the voice interphone, 4.3, the LED lighting lamp, 4.4 operation box, 5, the directional antenna, 5.1, the directional antenna I, 5.2, the directional antenna II, 6, the antenna access box, 6.1, the wireless network card II, 7.1, the power cord, 7.2, the power cable, 7.3, the control cable, 7.4, the shielding network cord, 7.5, the antenna feeder, 8, the existing lifting signal system, A1, A2.
Detailed Description
The embodiments of the invention are described in connection with the drawings and the detailed description:
with reference to fig. 1, an unattended cage wireless signal device for mine hoisting is characterized in that an electrical facility inside a cage 4 is additionally arranged on the basis of an existing hoisting signal system, and the wireless cage wireless signal device mainly comprises a wireless charger 1, a battery box 2 and a control box 3 which are arranged on the top of the cage, a network video camera 4.1, a voice interphone 4.2, an LED illuminating lamp 4.3 and an operation box 4.4 which are arranged in the cage, a directional antenna I5.1 arranged on the top of the control box 3, a directional antenna II5.2 arranged at the high position of a derrick and an antenna access box 6, wherein the directional antennas I5.1 and II5.2 are oppositely shot and are assembled and paired for use; the battery box 2 is provided with a plurality of storage batteries, the control box 3 is provided with a network switch 3.1, a wireless network card I3.2 and a PLC3.3, the operation box 4.4 is provided with a plurality of buttons with lamps, and the antenna access box 6 is provided with a wireless network card II 6.1; the input end of the wireless charger 1 is connected to the AC220V power end in the wellhead signal station or box 8 through the randomly matched power adapter 1.1 and power line 7.1, the output end of the wireless charger is connected with the input end of the battery box 2 through the power cable 7.2, the output end of the battery box 2 is connected with the power input end of the control box 3 through the power cable 7.2, and power is provided for the cage wireless signal device; the network video camera 4.1 and the voice interphone 4.2 are respectively connected with a corresponding network port or input/output interface and an antenna plug in the control box 3 through a shielding network cable 7.4, the LED illuminating lamp 4.3 and the operation box 4.4 through a control cable 7.3 and the directional antenna I5.1 through an antenna feeder 7.5; the directional antenna II5.2 is connected with an antenna plug of the antenna access box 6 through an antenna feeder 7.5, and a net port of the antenna access box 6 is connected with a net port in the wellhead signal station or box 8 through a shielding net wire 7.4, so that signals of the cage wireless signal device are accessed into the lifting signal system.
In fig. 1, the cage 4 of the present embodiment is in a wellhead accurate parking position, and the wireless charger 1 is in a charging state. The wireless charger 1 mainly comprises a transmitting plate 1.2 and a receiving plate 1.3, the transmitting plate 1.2 and the receiving plate 1.3 are in a non-contact type, electric energy is transmitted through electromagnetic induction, the transmitting plate 1.2 and the receiving plate 1.3 are required to be installed in parallel and concentrically in opposite directions, the errors of the interval and the center line between the transmitting plate 1.2 and the receiving plate 1.3 are in an allowable range, and the charging efficiency of the wireless charger 1 is ensured; for this purpose, the receiving plate 1.3 is installed at a proper position on the edge of the tank top, and the launching plate 1.2 is installed on the derrick and parallel to the receiving plate 1.3 in an opposite direction when the cage 4 is in a well head accurate parking state, so that the interval between the launching plate 1.2 and the receiving plate 1.3 and the error of a center point are ensured to meet the requirement; therefore, in the running process of the cage 4, the battery box 2 supplies power to the cage wireless signal device, and when the cage 4 stops at a wellhead, the storage battery in the battery box 2 is charged by using the intermittent time of accurate stopping; the cruising ability of the battery box 2 meets the requirement of power supply of the cage wireless signal device, the fragmented charging time is comprehensively considered, and the rated capacity (ampere hour Ah) of the storage battery is optimized.
Further, as the lifting height increases and the parking level increases, for example, the lifting height exceeds 1000 meters or the number of parking levels exceeds 10, if the probability that the cage 4 reaches the wellhead is reduced, the charging time of the fragments at the wellhead is only depended on when the cage 4 stops, which is not enough to maintain the endurance of the battery box 2, a set of transmitting plates 1.2 of the wireless charger 1 can be assembled at a proper position at the bottom of the well, so that the battery box 2 can be charged during the parking process at the bottom of the well, the endurance of the battery box 2 is further ensured, a state that the wireless charger 1 is used by matching two transmitting plates 1.2 with one receiving plate 1.3 is formed, the charging time is increased, and the charging efficiency is further improved.
The rated output voltage of the receiving board 1.3 is matched with the rated voltage of the battery box 2, preferably DC24V, the battery box 2 is formed by connecting two storage batteries of DC12V in series, in this embodiment, the rated capacity of each storage battery is preferably 75Ah, the positive and negative electrodes of the battery box 2 are respectively connected to the terminals of +24V and 0V of the control box 3, and a power supply of DC24V is provided for the control box 3.
The PLC3.3 is a self-contained CPU type or a remote I/O communication module type and is at least provided with 1 network port.
The network switch 3.1 is provided with at least 5 network ports, and except for standby, other network ports are respectively connected with the network ports of the wireless network card I3.2, the PLC3.3, the network video camera 4.1 and the voice interphone 4.2 through shielding network cables 7.4.
The wireless network card I3.2 is configured in a client type and at least provided with 1 network port and 1 antenna plug, and the directional antenna I5.1 is connected with the antenna plug through an antenna feeder 7.5.
The antenna access box 6 is internally provided with a wireless network card II6.1, the wireless network card II6.1 is configured to be an access end type and at least provided with 1 net port and 1 antenna plug, the directional antenna II5.2 is connected with the antenna plug of the wireless network card II6.1 through an antenna feeder 7.5, the net port of the wireless network card II6.1 is connected with the net port of the wellhead signal station or box 8 through a shielding net wire 7.4, and the signal access of the cage wireless signal device to the lifting signal system is completed.
The directional antenna II5.2 is hung below an anti-collision beam or at a position where the cage 4 cannot be reached in normal operation, the antenna access box 6 and the directional antenna II5.2 are installed as close as possible, and the central lines of the directional antennas I5.1 and II5.2 are basically consistent and installed in opposite directions, so that the efficiency of wireless information transmission is ensured; the wireless network card I3.2 and the directional antenna I5.1 are matched with the wireless network card II6.1 and the directional antenna II5.2 for use, the wireless network card I3.2 used as a client moving along with the cage 4 and the wireless network card II6.1 used as an access end form a network bridge through the pair of directional antennas 5, and the signal access of the cage wireless signal device is realized through the lifting signal system.
The battery box 2 and the control box 3 can be combined into a box body, the voice interphone 4.2 can be arranged on the operation box 4.4, and the protection grade of the box and the box is IP54 or above so as to resist strong water and dust in a shaft; the cage wireless signal device has MA authentication when used in a coal mine, and KA authentication when used in metal and nonmetal mines.
The embodiment in fig. 2 is 5 parking levels, and the operation box 4.4 is provided with a plurality of buttons a1, a2. Opening and closing a safety door, lifting a cradle, selecting a cage to send driving and stopping signals, and the like, which are detailed in a table 1; the terminals of the buttons a1 and a2...... a15 are respectively connected with the input interface of the switching value DI of the PLC3.3, and simultaneously, the terminals of the lamps a1 and a2.. a15 on the buttons, including the terminals of the LED illuminating lamps 4.3, are respectively connected with the output interface of the switching value DO of the PLC3.3, so that when the passenger presses the button, the corresponding lamps are controlled to be turned on by the output signals of the PLC3.3 after the input switching value signals of the corresponding PLC3.3 are valid.
Table 1 function example of operation box 4.4 panel with light button
The procedure of the occupant operating the panel is described, taking as an example the occupant at the 5 th parking level (bottom), ready to go to the 1 st parking level (well head): after the cage 4 is stopped stably, a passenger operates at a well bottom signal station (box), firstly, the operation of the well bottom signal station (box) is authorized through a button, the cradle falls down, the LED illuminating lamp 4.3 in the cage is controlled by the PLC3.3 program to be lightened, an electromagnetic lock of the safety door is released, the safety door is opened, the cage door is manually opened after the passenger enters the cage 4. Pressing the button with lamp A7 authorizes the operation of the panel, and the lamp A7 lights up; the button A11 with the lamp is pressed, the lamp A11 is immediately lighted, the safety door is closed, and the electromagnetic lock of the safety door is automatically locked; after all passengers are confirmed to enter the cage 4, the button A8 with the lamp is pressed, the lamp A8 is immediately lighted, the cradle is retracted, and the cage door is manually pulled down. Pressing the lighted button A1, the light A1 is then illuminated to select the 1 st parking level; when the button A14 with the lamp is pressed, the lamp A14 is immediately lighted up to send a driving signal; the operation process of the passenger is monitored by the PLC3.3, and once the operation process has defects, the lamp A14 cannot be lightened, and a driving signal cannot be sent. After the lifting electric control system receives the driving signal, the mine hoist is started to accelerate, decelerate at a constant speed and crawl, the vehicle is accurately parked after reaching a parking space with the 1 st parking level, if the parking space has larger error or needs to be operated at a slow speed such as layer changing, the passengers operate through the buttons with the lamps A12 or A13, and the cage 4 slightly moves up and down at a slow speed. After the cage 4 is stopped, the button A9 with the lamp is pressed, the lamp A9 is immediately lighted up, and the cradle is put down; pressing the button A6 with the lamp, the lamp A6 is lighted immediately, and the electromagnetic lock of the safety door is unlocked; pressing the button A10 with the lamp, the lamp A10 is immediately lighted, the safety door is opened, the cage door is manually opened, and the passenger goes out of the cage 4; after the passengers go out of the safety door, the passengers operate on a wellhead signal station (box), firstly, the operation of the wellhead signal station (box) is authorized through a key, a cradle is lifted, the safety door is closed, an electromagnetic lock of the safety door is automatically locked, the lamps A1-A15 in the tank comprise LED illuminating lamps 4.3, the LED illuminating lamps are controlled by a PLC3.3 program to be turned off, and then, the next lifting cycle is carried out.
The operation steps are monitored by a PLC in the lifting signal system, the operation steps of the passengers are flawed, and the PLC controls sound and light to give necessary alarms to prompt the passengers to improve.
In conclusion, the passengers can take the cans safely by themselves only through proper training and mastering the operation steps of taking the cans, and do not need to rely on other people, so that a full-time signaler is not necessary.
Finally, the above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited thereto, and any equivalent changes based on the technical solutions of the present invention are within the protection scope of the present invention.
Claims (8)
1. A wireless signal device for a mine hoisting unattended cage is characterized in that an electrical facility in the cage is additionally arranged on the basis of an existing hoisting signal system; the cage wireless signal device comprises a wireless charger, a battery box and a control box which are arranged on the top of the cage, a network video camera, a voice interphone, an LED illuminating lamp and an operation box which are arranged in the cage, a directional antenna I arranged on the top of the control box, a directional antenna II arranged at the high position of a derrick and an antenna access box; the directional antennas I and II are oppositely radiated and are assembled and used in a matched mode; the battery box is provided with a plurality of storage batteries, the control box is provided with a network switch, a wireless network card I and a PLC, the operation box is provided with a plurality of buttons with lamps, and the antenna access box is provided with a wireless network card II; the input end of the wireless charger is connected to the AC220V power supply end through a randomly matched power adapter and a power cord thereof, and the AC220V power supply end is taken from an wellhead signal station or box in the lifting signal system; the output end of the wireless charger is connected with the input end of the battery box through a power cable, and the output end of the battery box is connected with the power input end of the control box through the power cable to provide power for the cage wireless signal device; the network video camera and the voice interphone are respectively connected with a corresponding network port or input/output interface and an antenna plug in the control box through a shielding network cable, the LED illuminating lamp and the operation box through a control cable and the directional antenna I through an antenna feeder; the directional antenna II is connected with an antenna plug of the antenna access box through an antenna feeder, and a net port of the antenna access box is connected with a net port in the wellhead signal station or the box through a shielding net wire, so that signals of the cage wireless signal device are accessed into the lifting signal system.
2. The wireless signal device of mine-hoisting unattended cage of claim 1, wherein: the wireless charger mainly comprises a transmitting plate and a receiving plate, wherein the transmitting plate and the receiving plate are in non-contact type, and transmit electric energy through electromagnetic induction, and are required to be installed in parallel in opposite directions and concentrically; the cage is in the operation in-process, cage wireless signal device by the battery box power supply, when the cage parks at the well head accuracy, utilizes the intermittent type time of this parking, for battery charging in the battery box.
3. A mine-lift unattended cage wireless signal device as claimed in claim 1 or 2, wherein: a group of transmitting plates of the wireless charger can be assembled at the bottom of the well, so that the wireless charger is used by matching two transmitting plates with one receiving plate.
4. A mine-lift unattended cage wireless signal device as claimed in claim 2 or 3, wherein: and the rated output voltage of the receiving plate is matched with the rated voltage of the battery box.
5. The wireless signal device of mine-hoisting unattended cage of claim 1, wherein: the PLC is of a self-contained CPU type or a remote I/O communication module type and is at least provided with 1 network port.
6. The wireless signal device of mine-hoisting unattended cage of claim 1, wherein: the network switch has at least 5 network ports.
7. The wireless signal device of mine-hoisting unattended cage of claim 1, wherein: the wireless network card I is configured into a client type, the wireless network card II is configured into an access type, and the wireless network cards I and II are used in a matched mode and are provided with at least 1 network port and 1 antenna plug.
8. The wireless signal device of mine-hoisting unattended cage of claim 1, wherein: the battery box and the control box can be combined into a box body, the voice interphone can be arranged on the operation box, the protection grade of the box and the box is IP54 or above, and the box have MA or KA authentication.
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| CN202110257621.8A CN112950919A (en) | 2021-03-10 | 2021-03-10 | Mine promotes unmanned on duty's cage wireless signal device |
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| CN202110257621.8A CN112950919A (en) | 2021-03-10 | 2021-03-10 | Mine promotes unmanned on duty's cage wireless signal device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115509172A (en) * | 2022-09-27 | 2022-12-23 | 首钢滦南马城矿业有限责任公司 | Cage automatic control system |
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| CN205346538U (en) * | 2015-12-28 | 2016-06-29 | 马鞍山钢铁股份有限公司 | Starting signal automatic control system of shaft winding system |
| CN209081162U (en) * | 2018-09-17 | 2019-07-09 | 洛阳中重自动化工程有限责任公司 | Unattended auxiliary shaft elevator electric control system |
| CN208904730U (en) * | 2018-10-24 | 2019-05-24 | 洛阳九亿重工集团有限公司 | A kind of wireless charging device for vertical shaft winder cage |
| CN210505124U (en) * | 2019-05-24 | 2020-05-12 | 山东新云鹏电气有限公司 | Novel cage monitoring device |
| CN210735893U (en) * | 2019-09-11 | 2020-06-12 | 青岛金星矿业股份有限公司 | Cage guide and cage safe operation monitoring device based on leakage cable communication |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115509172A (en) * | 2022-09-27 | 2022-12-23 | 首钢滦南马城矿业有限责任公司 | Cage automatic control system |
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