The high withstand voltage Long-distance Control delayed startup power supply of protecting against shock
Technical field
The utility model relates to a kind of Long-distance Control delayed startup power supply, the high withstand voltage Long-distance Control delayed startup power supply of especially a kind of protecting against shock.
Background technology
In recent years, along with popularizing of electronic product, be used for providing galvanic Switching Power Supply to become very general, the switching device of Long-distance Control is also along with the rise of Internet of Things begins to occur.By remote switch device and Switching Power Supply, can remote control equipment open, stop begins to use at industrial automation.
This type systematic is is generally installed and used with the form of discrete device, because the miniaturization of remote control switch, its inner embedded platform generally adopts small size, the simple control chip of function, and more painstaking aspect network data, system response time is slower.And Switching Power Supply has the recoil electric current in the load start and stop, and a plurality of electronic equipment power supplys are worked together, and is larger to the impact of higher level's air switch, causes possibly sky to open tripping operation, thereby causes the procedure failure of sending a telegram in reply.And this time, remote switch is working power for want of, and can not long-range folding, backstage ability out of hand.In addition, Switching Power Supply can not isolated high-voltage electricity, if under hyperbaric environment, use, and ground connection is broken down, and may take high pressure to input, thereby destroys the fail safe of electric power system, may cause equipment fault in the serious situation, even the personal safety accident occurs.Therefore be necessary reducing impulse current, accelerate response speed, the Sustainable Control ability is provided, is adding the aspect such as strong voltage isolation and improved.
Summary of the invention
The utility model provides a kind of reduces impulse current, accelerate response speed, the Sustainable Control ability is provided, add the high withstand voltage Long-distance Control delayed startup power supply of protecting against shock that strong voltage is isolated.
To achieve these goals, the utility model adopts following technical scheme:
It comprises the current supply circuit that carries out input and output and the observing and controlling loop of controlling current supply circuit work, and wherein said current supply circuit comprises:
Exchange input module: connect outside civil power and carry out the power supply input,
Ring coupling transformer: be connected with the interchange input module with input, output is exported as power supply,
AC output module: connecting ring coupling transformer output exchanges output,
The direct current output module: connecting ring coupling transformer carries out direct current output;
Described observing and controlling loop comprises:
The voltage sensor module: connect interchange input module detectable voltage signals,
The current sense module: connect interchange input module sensed current signal,
Relay: conducting and the cut-off of connecting ring coupling transformer control ring coupling transformer,
Control board: connect voltage sensor module and current sense module and accept voltage parameter and current parameters, connect the relay time-delay relay to conducting and the cut-off of ring coupling transformer,
Display module: connect control board and show voltage parameter and current parameters,
Communication module: connect control board voltage parameter and current parameters are uploaded to host computer and receive control command,
UPS module: connect control board to each module for power supply of observing and controlling loop.
Preferably, ring coupling transformer connects a detection ring coupling transformer temperature and according to the thermostat relay of the transformer conducting of temperature control loop coupling and cut-off.
Preferably, described direct current output module connects direct current UPS module.
Preferably, described control board comprises an ARM7 microcontroller.
Owing to having adopted said structure, the high withstand voltage Long-distance Control delayed startup power supply of protecting against shock of the present utility model has following beneficial effect: 1, adopt ring coupling transformer to substitute common Switching Power Supply, eliminated the recoil electric current of power connection moment, can not impact higher level's sky and hold and cause tripping operation; 2, built-in stand-by power supply can also be reported monitor data in the situation that have a power failure, and receives control command; 3, microcontroller is according to the voltage data that monitors, and at later on control relay shunt of telegram in reply, delayed startup, the synergistic effect of the load starting current that staggers reduces higher level's sky and opens the possibility of being impacted tripping operation.Thereby reduced the impact of load starting current to power supply; Reliably overtemperature protection and overcurrent protection; High withstand voltage; Communication and response are faster safer.
Description of drawings
Fig. 1 is the modular structure schematic diagram of the utility model embodiment;
Fig. 2 is the circuit diagram of the utility model embodiment.
Wherein, current supply circuit 1, observing and controlling loop 2; Exchange input module 11, ring coupling transformer 12, AC output module 13, direct current output module 14; Voltage sensor module 21, current sense module 22, relay 23, control board 24, display module 25, communication module 26, UPS module 27.
Embodiment
Shown in Fig. 1-2, the high withstand voltage Long-distance Control delayed startup power supply of the protecting against shock of the present embodiment comprises the current supply circuit that carries out input and output and the observing and controlling loop 2 of controlling current supply circuit 1 work, and wherein said current supply circuit 1 comprises:
Exchange input module 11: connect outside civil power and carry out the power supply input,
Ring coupling transformer 12: be connected with the interchange input module with input, output is exported as power supply,
AC output module 13: connecting ring coupling transformer output exchanges output,
Direct current output module 14: connecting ring coupling transformer carries out direct current output;
Described observing and controlling loop 2 comprises:
Voltage sensor module 21: connect interchange input module detectable voltage signals,
Current sense module 22: connect interchange input module sensed current signal,
Relay 23: conducting and the cut-off of connecting ring coupling transformer control ring coupling transformer,
Control board 24: connect voltage sensor module and current sense module and accept voltage parameter and current parameters, connect the relay time-delay relay to conducting and the cut-off of ring coupling transformer,
Display module 25: connect control board and show voltage parameter and current parameters,
Communication module 26: connect control board voltage parameter and current parameters are uploaded to host computer and receive control command,
UPS module 27: connect control board to each module for power supply of observing and controlling loop.
Comprise two-way alternating current-direct current output in the accompanying drawing 2, wherein one the road operation principle of power supply to be described as example, another road principle is identical, not repeat specification in the present embodiment.
During work, after equipment installed, master control borad 24 utilized the power supply startup work of direct current UPS module 27, began by voltage sensor module 21 and current sense module 22 monitoring voltage current parameters.
After connecting alternating current input power supplying, detecting input voltage by voltage sensor module 21 exists, then to begin be self and 27 power supplies of direct current UPS module to control board 24 time-delay a period of time control relays 23 ring coupling transformer 12 of connecting the first via, if this road is connected to load, then load obtains simultaneously to power and starts working.Master control borad by current sense module 22 detect first via operating current steadily after, first via load normal operation is described, then control relay is connected the second tunnel ring coupling transformer and is begun to power to the load, and electric current and voltage by voltage sensor module and current sense module monitors the second tunnel.
In the course of work, the voltage and current of master control borad Real-Time Monitoring two-way map regularly refreshes the data in the display module 25, and reports and submits voltage and current parameter to host computer by communication module 26.
If electric current is excessive and continue for some time, illustrate that the load on this road or circuit exist unusual, master control borad 24 is by this roads outage of relay 23 controls, and by communication module 26 warning information reported and submitted to host computer.
In order to make ring coupling transformer in normal temperature range work, prevent overheated burning, ring coupling transformer 12 connects detection ring coupling transformer 12 temperature and according to the thermostat relay 28 of the transformer conducting of temperature control loop coupling and cut-off in the present embodiment.
12 coil temperatures are overheated if the probe of temperature relay 28 is sensed ring coupling transformer; thermostat relay 28 can move, and disconnects the power supply of these road ring coupling transformer 12 coils, carries out overtemperature protection; equitemperature is reduced in the safe range, and thermostat relay can be connected the power supply of this map again.During the overtemperature protection, master control borad 24 reports and submits warning message to host computer.
If run into unexpected power failure, master control borad 24 will work under the support of direct current ups power module 27, disconnect the two-way coil by relay, and warning message is reported and submitted to host computer, then continue the monitoring voltage current parameters.
Behind the service restoration, the flow performing observing and controlling flow process of master control borad after by the connection alternating current input power supplying that begins most.