8-circuit track power supply controller
A track power supply and controller technology, applied in relays, circuits, electrical components, etc., can solve problems such as easy to cause safety problems, power consumption, relay damage, etc., and achieve the effect of ensuring real-time control, ensuring safety, and ensuring safety.
Active Publication Date: 2017-12-12
SHENZHEN HONGZHE INTELLIGENT SYST ENG CO LTD
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Problems solved by technology
[0002] Existing track power controllers use electromagnetic relays (such as SLA-24VDC electromagnetic relays). During the closing time of the relays, it is necessary to keep supplying power to the relays to ensure the closed state of the relays, which not only consumes power continuously, but also easily damages the relay itself. cause damage, but also easily cause safety problems
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[0040] The present invention is further described below in conjunction with accompanying drawing and embodiment:
[0041] Such as figure 1 As shown, an 8-way track power controller includes a single-chip microcomputer and a power supply, and the model of the single-chip microcomputer is STC15F2K16S2.
[0042] The power supply is a 220V AC power supply, and the power supply is connected to the control circuit through a voltage conversion circuit, and the control circuit supplies power to the whole system. The power supply can also be a 12V 1A DC power supply, and the power supply supplies power to the entire system through a power adapter.
[0043] The MCU is connected to the parallel RS232 transceiver and RS485 transceiver. The RS232 transceiver is a +3.3V to +5V SP232 transceiver, and the RS485 transceiver is a +3.3V to +5V SP3085 transceiver. RS485 type data is converted into input and output data recognizable by the main chip of the single-chip microcomputer through SP308...
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The invention discloses an 8-circuit track power supply controller, and belongs to the field of power supply control. The power supply controller comprises a single chip microcomputer and a power supply; the single chip microcomputer is connected with parallel RS232 transceiver and RS485 transceiver; the single chip microcomputer is connected with an eight-bit dial switch, a key and 2Pin wiring terminals; 16 input and output ports of the single chip microcomputer are connected with two transistor arrays respectively; every two output pins of the transistor arrays form a group of connected relays; the relays are connected with control equipment by controlling the corresponding wiring terminals; and a feedback path of each relay is connected with the single chip microcomputer. By virtue of the magnetic latching relay, the power supply controller can be more stable, safer and more energy-saving and can be integrated into different power supply control system more easily; and in addition, certain guarantee is provided for safety performance of power utilization circuits and equipment.
Description
technical field [0001] The invention relates to the field of power supply control, in particular to an 8-way track power supply controller. Background technique [0002] Existing track power controllers use electromagnetic relays (such as SLA-24VDC electromagnetic relays). During the closing time of the relays, it is necessary to keep supplying power to the relays to ensure the closed state of the relays, which not only consumes power continuously, but also easily damages the relay itself. Cause damage, but also easily cause safety problems. [0003] The above deficiencies are worth addressing. Contents of the invention [0004] In order to overcome the deficiencies of the existing technology, the present invention provides an 8-way track power controller. [0005] Technical solution of the present invention is as follows: [0006] An 8-way rail power supply controller is characterized in that it includes a single-chip microcomputer and a power supply, and the single-ch...
Claims
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IPC IPC(8): H02M1/00H01H47/02
CPCH02M1/00H01H47/002H01H47/02H02M1/0012H02M1/0006Y02P90/02
Inventor 李强
Owner SHENZHEN HONGZHE INTELLIGENT SYST ENG CO LTD