:: Integration of voice communication, emergency broadcasting and image surveillance functions
:: Any point-to-point and point-to-multipoint call, talk and broadcast capabilities
Supports GIS map display function and complete visualization of operation and monitoring.
:: Adoption of color-coordinated and text-described software interface design, so that the working status of the terminal can be seen at a glance.
:: Interconnection with PSTN and production dispatching telephone systems for smoother communication
:: Timed, immediate, emergency, triggered and other broadcasting solutions
:: Automatic answering function to solve the problem of delayed information transmission caused by no one answering at the scene
:: Realization of emergency linkage with video surveillance, mine safety monitoring, mine personnel management and other systems
:: The system is equipped with scheduling functions such as forced insertion, forced removal, listening and call forwarding.
Main technical parameters
Operating system: Android
Wireless connection: 4G network, Bluetooth, WIFI
Protection class: IP67
Built-in sensors: accelerometer, temperature sensor, electronic compass, GPS.
Main body size: length 147.5mm*width 71mm*thickness 30mm
(1) Power supply: rechargeable lithium-ion battery 3.7V, 950mAh.
(2) Open circuit voltage: 4.2V
(3) Power consumption: talk time: 3 hours; standby time: 45 hours
(4) Operating frequency band: 2.412±0.02GHz
(5) Transmit power: 16±0.5dBm
(6) Maximum call distance from the base station: 200 meters
(7) Encryption: WEP/WPA-PSK/WPA2
(8) Audio decoding: G.711, G.726, G.729A
(9) Receiving sensitivity: <-76dBm
(10) Wireless modulation: DSSS, CCK, DQPSK
(11) Wireless roaming: support for wireless IEEE802.11b/g standards and SIP communication protocols
(12) Voice: Support for active voice detection, comfortable noise generation, jitter buffering, echo suppression
(13) Intercom: It can realize one-key intercom function for cell phones within the signal coverage of the base station.
(14) Three-proof: waterproof, shockproof, dustproof
(1) Rated operating voltage: DC18V
(2) Operating current: ≤800mA
(3) Communication protocol: Standard TCP/IP communication protocol;
(4) Transmission mode: full-duplex/half-duplex adaptive; Number of 100M Ethernet optical ports: 2; Number of 100M Ethernet electrical ports: 2;
(5) Voice communication radio parameters.
(6) Antenna impedance: 50Ω;
(7) Communication protocol: IEEE802.11b/g/n;
(8) Working channels: 13 channels (log in to the base station configuration software through the computer as needed, and manually set one of them as a working channel on the configuration software);
(9) Operating frequency: 2.401 to 2.483 GHz;
(10) Receiving sensitivity: ≤ -80dBm/m;
(11) Communication distance between base station and cell phone: ≥200 meters (no obstruction within the communication range with cell phone).
Mining explosion-proof and intrinsically safe wireless base station controller is mainly composed of switch, patch panel and so on. Switch is the core equipment of the controller, is the main equipment of the system network connection, bear the system network data transmission work, the equipment supports full-duplex flow control, using store-and-forward technology, verify the correctness and completeness of the data packet before forwarding, reduce unnecessary data exchange. It supports mutual exchange of input and output data of six optical signals; the patch panel mainly provides isolation of network signals, and after isolation, it provides two intrinsically safe Ethernet ports with 10/100M adaptive rate.
(1) Operating voltage: DC18V
(2) Operating current: ≤800mA
(3) Electrical ports: 2 x 10/100M adaptive
(4) Optical ports: 6, SC interface, wavelength 1310nm
(5) Transmission distance: electric port: ≤100M
Optical port: ≤20KM
(6) Operating mode: full-duplex/half-duplex adaptive
(7) Operating Temperature: -10℃～75℃
(8) Humidity: 10～95%
Mining explosion-proof and intrinsically safe wireless base station is the access point of the whole wireless signal to realize the data interaction with the terminal. The base station adopts the latest WIFI communication technology, which can greatly improve the safety and expandability of wireless communication. The base station can be connected by fiber optic cable, cable, wireless MESH, etc., and can be configured according to the actual environment.
Main technical indicators
(1) Input Characterization:
a) Voltage range: AC127V/380V/660V (75%～110%)
b) Frequency: 48Hz～52Hz
(2) Output characteristics:
a) Output Voltage: DC48V Open Voltage: ≤49V
b) Maximum working current: ≤350mA
c) Load effect: ≤3%
d) Source effect: ≤3%
e) Periodic and random offset peak-to-peak: ≤250mV
(3) Internal protection functions:
a) Input undervoltage protection value: 127V:AC75V～88V
b) Output current limit protection value: 3A
(4) Standby power function:
a) Conversion time: <0.5s
b) Operating time: ≥ 3h (rated current: 350 mA)
KDW28 mining explosion-proof and intrinsically safe uninterruptible power supply is a kind of universal intrinsically safe uninterruptible power supply allowed to be used in gas and coal dust explosion hazardous environment, which is small in size, light in weight, easy to install and carry, and is suitable for providing power supply to the intrinsically safe equipments for mining.
Main technical parameters
(1) Explosion-proof type: Explosion-proof and intrinsically safe type "ExdiblMb".
(2) Power input: a) AC 127V/380V/660V.
b) Frequency: 50Hz.
c) Voltage fluctuation range: 75% to 110%.
(3) Discharge time: not less than 2 hours.