CN202815644U

CN202815644U - High-power full-automatic intelligent alternative current (AC) voltage stabilized power supply

Info

Publication number: CN202815644U
Application number: CN 201220512731
Authority: CN
Inventors: 滕敏亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-09-23
Filing date: 2012-09-23
Publication date: 2013-03-20
Anticipated expiration: 2022-09-23

Abstract

Provided is a high-power full-automatic intelligent alternative current (AC) voltage stabilized power supply. The voltage stabilized power supply is composed of a central processing unit (CPU) of an advanced risk machine (ARM) system processor, a microprogrammed control unit (MCU) of a signal acquisition controller, a communication interface circuit, a data display circuit, a touch screen control circuit, an auto-transformer, a system temperature detection circuit, and the like. The CPU of the ARM system processor is connected with the MCU of the signal acquisition controller through the communication interface circuit. A voltage stabilized bypass control circuit is connected with an output contactor control circuit, an output voltage detection circuit and an output current detection circuit through the auto-transformer. The auto-transformer is in a split-adjusting structure, and the system temperature detection circuit is connected with the MCU of the signal acquisition controller. Temperature detection elements of the system temperature detection circuit are tightly attached to the surface of a coil in each phase of the auto-transformer. Voltage signals are sent by the temperature detection elements, subjected to an analog-digital conversion, and then processed by a processor. The high-power full-automatic intelligent AC voltage stabilized power supply has the advantages of having a visual operation interface, being good in human-machine interaction, having complete screen touch control, being powerful in function, intelligent, and the like.

Description

High-power fully-automatic intelligent alternating current steady voltage plug

Technical field:

The characteristics such as the utility model relates to a kind of stabilized voltage supply, particularly relates to a kind of high-power fully-automatic intelligent alternating current steady voltage plug, has the efficient height, stabilized voltage supply is controlled in real time, and processing speed is fast, and is stable and reliable for performance, flexible and convenient to use.

Background technology:

The high power AC stabilized voltage supply that China has at present is that traditional type is in the majority, they are applied in the higher occasions of some power supply requirement degree of stability such as factory, school, government offices, bank, the traditional type stabilized voltage supply mostly is greatly pointer instrument, show not only not directly perceived, and error is large, even also instrument fault can appear, it is inconvenient to cause machine to use, failure rate increases relatively, and needing phase transition to show, machine-spoiled rate is high, overhauls trouble, take time and effort, affect normal production work electricity consumption.

The utility model content:

Technical deficiency for existing the said goods; the purpose of this utility model is to provide a kind of high-power fully-automatic intelligent alternating current steady voltage plug, and it is by ARM system processor CPU; signal acquisition controller MCU; communication interface circuit; data display circuit; the touch screen control circuit; the civil power input circuit; manual air switch; wide voltage source; accessory power supply; input voltage detection circuit; protection circuit against input over-voltage; input power frequency testing circuit; the input phase testing circuit; variac; output control circuit; the travel switch circuit; actuating motor; the output contactor control circuit; the voltage stabilizing bypass control circuit; output voltage detecting circuit; output overvoltage protection circuit; output current detection circuit; the output overcurrent holding circuit; the outputs state detection circuit; the system temperature testing circuit; the voltage stabilizing output loop; the compositions such as sound alarm circuit.

The technical scheme that its technical matters that solves the utility model adopts is: ARM system processor CPU links to each other with signal acquisition controller MCU by communication interface circuit, described ARM system processor CPU is on the one hand by passing to control signal acquisition controller MCU under the communication interface circuit, remove to control output control circuit by control signal acquisition controller MCU and drive the actuating motor action, send on the other hand the data display, and link to each other with the touch screen control circuit; The voltage stabilizing bypass control circuit connects output contactor control circuit, output voltage detecting circuit, output current detection circuit by variac, and described variac is the separate-regulatable structure; The system temperature testing circuit connects signal acquisition controller MCU, the detector unit of system temperature testing circuit is close to the surface of the every phase coil of variac, the voltage signal of being sent by detector unit, process through giving processor after the analog to digital conversion, described detector unit is the high-precision temperature detecting sensor.

The beneficial effects of the utility model are: the visualized operation interface; intuitive display is accurate; man-machine interaction is very friendly; fully touch screen control; software algorithm is abundant, and powerful, fault is checked oneself; the software and hardware duplicate protection is so that characteristics such as user's use, maintenance, upgrading and maintenance are oversimplified, intellectualities.

Description of drawings

Fig. 1 is the utility model controlling party block diagram;

1ARM system processor CPU among the figure; 2 signal acquisition controller MCU; 3 communication interface circuits; 4 data display circuit; 5 touch screen control circuits; 6 civil power input circuits; 7 manual air switches; 8 wide voltage sources; 9 accessory power supplys; 10 input voltage detection circuits; 11 protection circuit against input over-voltage; 12 input power frequency testing circuits; 13 input phase testing circuits; 14 variacs; 15 output control circuits; 16 travel switch circuit; 17 actuating motors; 18 output contactor control circuits; 19 voltage stabilizing bypass control circuits; 20 output voltage detecting circuits; 21 output overvoltage protection circuits; 22 output current detection circuits; 23 output overcurrent holding circuits; 24 outputs state detection circuit; 25 system temperature testing circuits; 26 voltage stabilizing output loops; 27 patterns are set; 28 delay adjustmentses; 29 setting parameters; 30 air draft cooling circuits; 31 sound alarm circuit

Embodiment

According to shown in Figure 1, the utility model provides a kind of high-power fully-automatic intelligent alternating current steady voltage plug, and it is by ARM system processor CPU1, signal acquisition controller MCU2, communication interface circuit 3, data display circuit 4, touch screen control circuit 5, civil power input circuit 6, manual air switch 7, wide voltage source 8, accessory power supply 9, input voltage detection circuit 10, protection circuit against input over-voltage 11, input power frequency testing circuit 12, input phase testing circuit 13, variac 14, output control circuit 15, travel switch circuit 16, actuating motor 17, output contactor control circuit 18, voltage stabilizing bypass control circuit 19, output voltage detecting circuit 20, output overvoltage protection circuit 21, output current detection circuit 22, output overcurrent holding circuit 23, outputs state detection circuit 24, system temperature testing circuit 25, voltage stabilizing output loop 26, pattern sets 27, delay adjustments 28, setting parameter 29, air draft cooling circuit 30, sound alarm circuit 31 forms;

The main computing of high-power fully-automatic intelligent alternating current steady voltage plug is finished in ARM system processor CPU1, link to each other with the signal acquisition controller MCU2 of responsible signal collecting and controlling by communication interface circuit 3, the various externally measured data that signal acquisition controller MCU2 transmits are up carried out computing and logic analysis, by the controlled result of unique algorithm, pass to control signal acquisition controller MCU2 for 3 times by communication interface circuit again, remove to control output control circuit 15 by control signal acquisition controller MCU2 and drive actuating motor 17 actions, reach the purpose of accurate Regulation Control.Be connected with data display circuit 4 on the other hand, send TFT true color liquid crystal display signal, and link to each other with touch screen control circuit 5, on the TFT display screen, the data that detect and machine ruuning situation etc. are shown intuitively, and the user can by carrying out man-machine conversation between touch-screen and the processor, revise operational factor and the mode of operation of machine.Communication interface circuit 3 is bridges that ARM system processor CPU1 links to each other with the signal acquisition controller MCU2 that measures control section, and the transmission of various image data and control signal is all finished by communication interface circuit 3; Touch screen control circuit 5 makes things convenient for the user to carry out man-machine conversation by the mode of screen touch and the ARM system processor CPU1 of machine intimate, at any time the mode of operation of change control machine and running parameter; Civil power input circuit 6 mainly is that external city is electrically connected on the various treatment circuits of stabilized voltage supply, thereby makes stabilized voltage supply possess the pacing items of work; Manually air switch 7 is master switchs of whole system, and the user can conveniently connect and cut off outside input power by manual air switch; Wide voltage source 8 guarantees the reliability and stability of whole system, and accessory power supply 9 is the high stable stabilized voltage supplys that offer ARM system processor CPU1 by direct current regulation circuit; Input voltage detection circuit 10 is from mains electricity input end isolation sampling, through rectifying and wave-filtering, give on the one hand ARM system processor CPU1 after the analog to digital conversion and participate in computing and logic judgement, obtain display and pass to display circuit and control system pressure regulation action, outside comparative voltage is provided then on the other hand protection circuit against input over-voltage 11, when external input voltage exceeds the voltage range that allows input, holding circuit will be controlled the 18 protection actions of output contactor control circuit, the safety of protection consumer; Input power frequency testing circuit 12, input phase testing circuit 13 carry out frequency and phase sequence detection at machine in the very first time of connecting the input civil power, judge by ARM system processor CPU1 whether input voltage frequency and phase sequence be correct, such as the action of incorrect then control protection electric circuit and demonstration and alarm; The variac 14 that the machine is used is the separate-regulatable structure, and its magnetic core part uses up-to-date high-quality magnetic core in the present same industry, thus corresponding reduction stabilized voltage supply no-load power consumption, and energy conversion efficiency is high.Transformer Winding adopts the silk bag flat type copper wire of high strength, high-temperature resistant, high insulation, has reduced to greatest extent the no-load power consumption of stabilized voltage supply; The various control signals that output control circuit 15 is sent by ARM system processor CPU1 after overdrive circuit is to the control signal Hyblid Buffer Amplifier, drive the protection action of the pressure regulation action of relay executive circuit control motor and control output contactor 18; The Main Function of travel switch circuit 16 is that limit switch closes the power machine current supply circuit, stops motor and further moves when motor pressure regulation action surpasses transformer range-adjustable scope; Actuating motor 17 is to drive carbon brush to slide at the exposed line face of transformer, the input and output contact of transformer is changed, thereby reach the purpose of pressure regulation; Output contactor control circuit 18 is finished the break-make control of voltage stabilizing output loop 26 in closure and the disconnection of ARM system processor CPU1 control output contactor.When processor output protection signal, output contactor disconnects and cuts off and export; When processor output allowed power supply signal, the output contactor adhesive made the conducting of voltage stabilizing output loop power to consumer.

The machine adopts voltage stabilizing bypass control circuit 19, is circumscribed with voltage stabilizing, the bypass selector switch of manual selection, and the user can select powering mode according to actual power program hommization.When manual selection switch was allocated to the voltage stabilizing gear, this stabilized voltage supply just worked in the voltage stabilizing pattern, possessed simultaneously various defencive functions; When manual selection switch was allocated to the bypass gear, this stabilized voltage supply just worked in bypass condition, and is straight-through with civil power; Output voltage detecting circuit 20 is from the voltage output end isolation sampling of stabilized voltage supply, through rectifying and wave-filtering, give on the one hand ARM system processor CPU1 after the analog to digital conversion and participate in computing and logic judgement, obtain display and pass to display circuit and control system pressure regulation action, outside comparative voltage is provided then on the other hand output overvoltage protection circuit 21; When stabilized circuit outputting voltage exceeded the voltage range that allows output, output overvoltage protection circuit 21 holding circuits will be controlled output contactor protection action, the safety of protection consumer; Output current detection circuit 22 adopts high precision current transformer to detect the sampling output current from output end of stabilized voltage supply, the process current-to-voltage converting circuit converts the voltage with the electric current proportional relation to, behind the rectifying and wave-filtering, analog to digital conversion is given ARM system processor CPU1 and is participated in computing and logic judgement on the one hand, obtain display and pass to display circuit, outside comparative voltage is provided then on the other hand output output overcurrent holding circuit; When the electricity consumption electric current of consumer surpassed the range of current of stabilized voltage supply permission output, output overcurrent holding circuit 23 will be controlled output contactor protection action, cut off and exported current supply circuit, the security of system of protection stabilized voltage supply; When hardware circuit produced the protection action, system will check whether starting protection of hardware circuit by outputs state detection circuit 24, thereby changes corresponding workflow over to.

System temperature testing circuit 25 adopts the high-precision temperature detecting sensor as detector unit, and sensor is close to the surface of the every phase coil of transformer, by the voltage signal that sensor is sent, processes through giving processor after the analog to digital conversion.When transformer or environment temperature surpass set temperature value, the security of system of processor output protection signal protection stabilized voltage supply; Voltage stabilizing output loop 26 mainly is to offer user's electrical equipment and equipment through the alternating voltage after the stabilized voltage supply voltage stabilizing processing bypass; Local mode is set 27 and is had automatically and manual two kinds of mode of operations.After setting automatic operation mode, the parameter work that stabilized voltage supply will set according to the user; After setting manual work pattern, the user can manually control output voltage by man-machine interaction; Delay adjustments 28 is at some special consumers, such as electrical equipment such as air-conditioning, refrigerator, refrigerators to higher requirement is arranged start-up time, when the input civil power produces intermittent outage, the native system processor is according to the setting of user to delay time, provide corresponding time delay control signal and remove to control output circuit, in order to special electrical equipment and the consumer of protection to having higher requirements start-up time, the running parameter of systematic parameter setting 29 has output voltage parameter and output accuracy parameter, all can be by user's free setting in system's allowed band; When load increases the weight of, electric current increases, operating ambient temperature is too high or radiating effect when bad, system temperature will raise relatively.When temperature sensing circuit detected the uniform temperature value, internal processor will be controlled air draft cooling circuit 30 and start cooling fan, the heat radiation of help system row temperature; When system processor CPU detected various abnormal conditions, sound alarm circuit 31 sent warning information immediately, drove the hummer alarm, simultaneously information was given display and showed current alarm information, so that the timely handling failure of reminding user.

Claims

1. high-power fully-automatic intelligent alternating current steady voltage plug, it is by ARM system processor CPU, signal acquisition controller MCU, data display circuit, the touch screen control circuit, the civil power input circuit, manual air switch, wide voltage source, accessory power supply, input voltage detection circuit, protection circuit against input over-voltage, input power frequency testing circuit, the input phase testing circuit, output control circuit, the travel switch circuit, actuating motor, the voltage stabilizing bypass control circuit, output overvoltage protection circuit, the output overcurrent holding circuit, the outputs state detection circuit, the system temperature testing circuit, the voltage stabilizing output loop, the sound alarm the electric circuit constitute is characterized in that: ARM system processor CPU links to each other with signal acquisition controller MCU by communication interface circuit; The voltage stabilizing bypass control circuit connects output contactor control circuit, output voltage detecting circuit, output current detection circuit by variac; The system temperature testing circuit connects signal acquisition controller MCU, the detector unit of system temperature testing circuit is close to the surface of the every phase coil of variac, by the voltage signal that detector unit is sent, process through giving processor after the analog to digital conversion.

2. high-power fully-automatic intelligent alternating current steady voltage plug as claimed in claim 1, it is characterized in that: described ARM system processor CPU is on the one hand by passing to control signal acquisition controller MCU under the communication interface circuit, remove to control output control circuit by control signal acquisition controller MCU and drive the actuating motor action, send on the other hand the data display, and link to each other with the touch screen control circuit.

3. high-power fully-automatic intelligent alternating current steady voltage plug as claimed in claim 1, it is characterized in that: described variac is the separate-regulatable structure.

4. high-power fully-automatic intelligent alternating current steady voltage plug as claimed in claim 1, it is characterized in that: described detector unit is the high-precision temperature detecting sensor.