ZJK-1140/660 Coal mine hoist winch protection control deviceDetailed product description：

ZJK-1140 (660) Coal Mine Hoist and Winch Protection and Control Device

1、 System composition
The mining explosion-proof and intrinsic safety type hoist and winch protection control device consists of a mining explosion-proof and intrinsic safety type control box, a mining intrinsic safety type winch protection control device operation console, a mining explosion-proof and intrinsic safety type AC frequency converter, and various protection sensors.
1) Main purpose and scope of application
Suitable for mining production environments with explosive mixtures (methane mixtures) and coal dust, it can be used in conjunction with various specialized mechanical and electrical equipment for mining winches, such as mining explosion-proof soft starters, mining explosion-proof frequency converters, etc., to achieve various control requirements and functions for mining winches.
This system is equipped with various specialized protection devices for mining winches, such as speed measurement, cable pulling, track dropping, cable breaking, over winding, cable breaking, etc. In addition, it comes with built-in motor current display, belt speed display, cable alignment indication, fault indication, and equipment operation indication, which can meet various monitoring and protection requirements for mining winches.
This system can form various forms of centralized control networks, achieve remote control and communication, and can also communicate with other monitoring systems using various protocols. In addition, this system has the advantages of simple operation, reliable performance, and maintenance free, making it an ideal electrical control system for mining winches.
2) Execution standards
The explosion-proof performance meets the requirements of GB 3836.2-2010 "Explosive Atmosphere Part 2: Equipment Protected by Explosion proof Enclosures". The technical performance meets the requirements of MT 872-2000 "Technical Conditions for Belt Conveyor Protection Devices in Coal Mines" and enterprise standard Q/JH 018-2012.

2、 Technical characteristics of ZJK-1140/660 coal mine hoist winch protection control device
Fieldbus technology: Communication function can be completed with only one shielded wire, achieving intelligent control.
1) Fully digital design: Applying shaft encoders to winch electrical control to achieve digital control of stroke, speed, and settings. The digital master controller and handbrake controller have the characteristics of accurate control, easy operation, and low failure rate.
2) Powerful software features: Improved system stability and reliability.
3) Modular design: Integrating multiple system functions into different circuit modules.
4) Main control panel design: The imported programmable controller with superior performance is used as the main control device, and two sets of PLCs are redundant with each other, forming a safety circuit dual line system.
5) Anti interference design: meets the electromagnetic compatibility requirements of GB/T13926, and the system is safe and reliable.
6) A comprehensive lightning protection system: The main control panel is equipped with a sophisticated lightning protection system, effectively enhancing the system's ability to resist natural disasters.
7) Industrial control human-machine interface: displays various static and dynamic parameters of the winch, such as speed, stroke, oil pressure, speed chart, force diagram, number of strokes, and the status of various switch values. In addition, the display screen is equipped with fault memory and fault states.
8) UPS power supply: The uninterruptible power supply supplies power to the control circuit to ensure the achievement of the system's electromagnetic compatibility indicators; When a sudden power outage occurs, the effectiveness of the secondary braking is ensured.
9) Language alarm: It can continuously play the location of the fault in language, effectively shortening the search time for the fault.
10) Multiple operating modes: The lifting system can meet the control requirements of various operating modes such as manual, automatic, maintenance, and fault driving of the hoist.

3、 Main configuration table of ZJK-1140/660 coal mine hoist winch protection control device:

name	model	Explosion proof type
Mining explosion-proof and intrinsic safety control box	KXJ1140、660	Exd[ib]IMb
Operating console for mining intrinsic safety winch protection and control device	ZJK-24T	Exd[ib]IMb
Mining explosion-proof and intrinsic safety AC frequency converter	BPJ1-315（250）/660	Exd[ib]IMb
Mining intrinsic safety bidirectional emergency stop switch	KHJ10/18(D)	ExibI
Mining intrinsic safety type deviation sensor	GEJ15/30(D)	ExibI
Mining intrinsic safety speed sensor	GSH3.6(D)	ExibI