CN201583857U - Novel full-automatic energy-saving AC regulated power supply - Google Patents

Abstract

The utility model discloses a novel full-automatic energy-saving AC regulated power supply which comprises a CPU main control circuit, an input voltage frequency detection circuit, an energy conversion transformer, a servo mechanism circuit, an energy saving control circuit and the like. A central processing unit CPU controls a time-lapse setting, a mode setting and a driving circuit which is connected with a servo motor; the servo motor is transmitted and connected to an autotransformer which is connected with a bypass control circuit; the bypass control circuit is provided with two lines for connection, wherein one line is connected with an output circuit and the other line is connected with an output voltage detection circuit and then goes back to a controller; the energy saving control circuit is connected with the autotransformer to control the output and is connected with an input current detection circuit, the input voltage frequency detection circuit, an auxiliary power supply circuit, an input voltage detection circuit and a temperature detection circuit and then is safely transmitted and connected to a CPU controller which is then connected back to the energy saving control circuit; and the CPU controller is connected with the peripherals of a keyboard circuit, a display circuit and an alarm circuit.

Description

New automatic energy-saving alternating current stabilized voltage supply

Technical field:

The utility model relates to a kind of alternating current steady voltage plug, particularly relates to a kind of new automatic energy-saving alternating current stabilized voltage supply.

Background technology:

Electronic product developed rapidly in recent years, many electrical equipment all in various degree on power supply and equipment, all adopted different power-saving technologies.Alternating current steady voltage plug has obtained application more and more widely with its distinctive voltage stabilizing and defencive function; it can not only burning voltage; improve power supply quality, also possess the function that load was effectively protected, prolonged service life of equipment, assists the user that power supply is managed simultaneously.But the loss problem of stabilized voltage supply self has also caused people's attention.Its electric energy loss of working has year in year out also caused people's attention, and electric energy loss becomes major issue, causes waste of energy.

Use field investigation according to present alternating current steady voltage plug, in numerous places that stabilized voltage supply is installed, stabilized voltage supply often is used as the power-supply unit of partial load, make its 24 hours in running order.But most of load average operation times every day are about 5h～8h, and remaining 16h～19h stabilized voltage supply is in light condition, so there is long open circuit loss in stabilized voltage supply.In addition in the process of stabilized voltage supply work, variation along with electrical network total load amount size, it is different that line voltage also has height in the different periods, inevitable line voltage for some time satisfies equipment electricity consumption requirement (being generally 220V ± 10%), and at this moment stabilized voltage supply still is in the voltage stabilizing state, this also is a kind of unnecessary loss, causes waste of energy, the reflection difference of this situation different periods in different regions.Generally at 5h～8h, all the other time stabilized voltage supplys are in the open circuit loss state always according to the electrical equipment frequency of utilization of user's reality, and this is the invisible waste to limited valuable electric power resource.

The utility model content:

The utility model is for overcoming the deficiencies in the prior art, and a kind of new automatic energy-saving alternating current stabilized voltage supply is provided, form by CPU governor circuit, input circuit, input voltage frequency detection circuit, energy conversion transformer, driving circuit, servo control mechanism circuit, energy-saving control circuit, temperature sensing circuit, output loop, mode initialization detection etc.

The technical scheme that its technical matters that solves the utility model adopts is: cpu central processing unit control delay adjustments, mode initialization, driving circuit, driving circuit connects servomotor, the servomotor transmission connects single-circuit transformer, single-circuit transformer connects the Bypass Control circuit, voltage stabilizing, Bypass Control circuit have two circuits to connect, one line connects output loop, and a line connects output voltage detecting circuit and gets back to controller; Energy-saving control circuit connects single-circuit transformer control output and connects input voltage frequency detection circuit, input voltage frequency detection circuit, auxiliary power circuit, input voltage detection, temperature sensing circuit, safe transmission is connected to cpu controller again, tieback is to energy-saving control circuit again for cpu controller simultaneously, and energy-saving control circuit also directly connects voltage stabilizing, Bypass Control circuit; Cpu controller external connection keyboard circuit, display circuit, warning circuit.

The beneficial effects of the utility model are: the efficient height; processing speed is fast; reliable and stable, auto by pass protection, overload protection allow the relieved use of user; energy-conservation; power consumption is lower, and in the corresponding serviceable life that prolongs charactron, it is more accurate that voltage shows; increase the response speed of protection detection system, can human-computer interaction.

Description of drawings:

Fig. 1 is new automatic energy-saving alternating current voltage-stabilized power supply circuit block scheme

Fig. 2 is new automatic energy-saving alternating current stabilized voltage supply principle sketch

Among the figure, 1; CPU governor circuit 2; input circuit 3; auxiliary power circuit 4; input voltage detects 5; input voltage frequency detection circuit 6; energy conversion transformer 7; driving circuit 8; servo control mechanism circuit 9; energy-saving control circuit 10 Bypass Control circuit 11; output voltage detecting circuit 12; load current detection circuit 13; temperature sensing circuit 14; output loop 15; mode initialization detects 16; delay adjustments 17; keyboard circuit 18; LCD/LED display circuit 19; current foldback circuit 20 mistakes; under-voltage protecting circuit 21; leakage protection circuit 22; warning circuit

Embodiment:

Shown in root Fig. 1 and 2; CPU governor circuit (1) fully automatic energy-saving stabilized voltage supply detects sampling by output detection circuit and electric leakage, load detecting circuit; giving the CPU processor detected data in real time handles; CUP carries out logic determines in inside simultaneously; export corresponding control signal on the one hand and give driving circuit; thereby make the servo control mechanism action; switch on the winding of corresponding energy conversion transformer; realize real-time voltage stabilizing and protection, make the unsettled AC voltage conversion of input become the stable alternating voltage supply electric loading of output to reach.When CPU monitors line voltage in the high precision normalization voltage range and bearing power during less than 5W, just start energy-saving control circuit.Send demonstration and alerting signal on the other hand, on the LCD/LED display screen, detected data are shown intuitively.The voltage of SVC, TSD formula stabilized voltage supply is stabilized in (220V ± 3%).Input circuit (2) 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.Auxiliary power circuit (3) is transformed into the circuit such as control panel, display that stable low-voltage dc voltage offers stabilized voltage supply with the alternating current 220V of input.Input voltage detection circuit (4) detects sampling from the mains electricity input end, through shaping filter, give CPU after the analog to digital conversion, is controlled the LED/LCD display screen again and is provided reference data for holding circuit by CPU.Input voltage frequency detection circuit (5) is to the power frequency supply of 50Hz/60Hz, this machine CPU can detect in the very first time of connecting electricity input civil power, and, carry out corresponding circuit through this running parameter again and adjust in real time and control by calculating the variation of the every major parameter under the different frequency.The magnetic core part of the energy conversion transformer that this machine of energy conversion transformer (6) uses uses up-to-date high-quality magnetic core in the present same industry, thus corresponding reduction stabilized voltage supply no-load power consumption, the energy conversion efficiency height.Transformer Winding adopts the copper material enameled wire of high strength, high-temperature resistant, high insulation, reduces the no-load power consumption of also corresponding minimizing stabilized voltage supply than conventional aluminium enameled wire loss.The mainly responsible control signal of being sent by cpu central processing unit of driving circuit (7) is carried out voltage, the action of electric current amplification back control servo control mechanism again.Servo control mechanism circuit (8) mainly is the control signal that is controlled by CPU and driving circuit, thereby control transformer winding switch motor rotates, and drives the carbon brush Strok mechanism and slides on the corresponding windings, realizes the purpose of high precision voltage stabilizing.Energy-saving control circuit (9) cpu central processing unit is monitored the outside and the internal operation state of alternating current steady voltage plug in real time, factory is provided with energy saving condition or the user is provided with energy saving condition when internal and external condition meets, CPU sends the Energy Saving Control signal, make the input pilot relay disconnect the high power device and the circuit of stabilized voltage supply, make output relay and civil power straight-through simultaneously, thereby reach the purpose of automatic energy saving.This machine of Bypass Control circuit (10) is circumscribed with voltage stabilizing, the Bypass Control air switch that the user manually selects, and can select according to user's actual power program hommization.When connecting the regulated air switch, AC voltage regulator possesses various defencive functions simultaneously with regard to work and voltage stabilizing and automatic energy saving state.When connecting the bypass air switch, alternating current steady voltage plug just works in bypass condition, and is straight-through with civil power.Output voltage detecting circuit (11) detects the sampling output voltage from the voltage output end of stabilized voltage supply, and through delivering to cpu central processing unit after the integer filtering, compare with reference voltage by the CPU processor, the output control signal is removed to control mu balanced circuit and is realized voltage stabilizing, sends shows signal simultaneously and gives the LED/LCD display screen.Load current detection circuit (12) adopts high precision current transformer to detect the sampling output current from the stabilized voltage supply input end, gives cpu central processing unit through the current signal after the shaping conversion process and handles.Temperature sensing circuit (13) adopts the high-precision temperature detecting sensor as detector unit, sensor is close to AC transformer, when transformer or environment temperature surpass set temperature value, send signal by sensor, behind shaping filter, give the CPU processor and handle.Output loop (14) mainly is to offer user's electrical equipment and equipment through the alternating voltage after the stabilized voltage supply voltage stabilizing processing/bypass.Mode initialization detects (15) these facility corresponding modes such as multiple start, control, protection, and after stabilized voltage supply started, host CPU detected judgement by the input information to the user, again ordered control each several part circuit working.Delay setting circuit (16) to special electrical equipment, equipment, is unallowed as electrical equipment such as air-conditioning, refrigerator, refrigerators to higher requirement is arranged start-up time when the intermittent outage of input civil power! This machine cpu central processing unit is by detecting the setting pattern of user to delay time; pass through accurate calculating, processing again; provide corresponding time delay control signal at last and go controlling output circuit, in order to protection to higher special electrical equipment, the equipment of wanting is arranged start-up time.Keyboard circuit (17) mainly provides interactive platform for the convenience of the user, is convenient to the user personalized voltage stabilizing scheme is set, and makes stabilized voltage supply work in optimum condition.LED/LCD display circuit (18) is to light the LED/LCD display screen on the one hand, is the various current datas that show stabilized voltage supply on the other hand, is convenient to the duty that the user in time understands stabilized voltage supply.Current foldback circuit (19) is overweight when load, when electric current is excessive; current signal after current detection circuit is handled adds to gives CPU after current foldback circuit is handled; send control signal by CPU again; controlling output circuit is turn-offed output voltage; realize overcurrent protection, and send demonstration and sound alarm control signal by CPU.Cross, consumer and the stabilized voltage supply inherently safe of under-voltage protecting circuit (20) in order to protect the user, CPU receives the data of mains input voltage testing circuit in real time, when stabilized voltage supply output is lower than AC170V, import the input lower limit that civil power is lower than stabilized voltage supply this moment, in order to protect the safety of voltage stabilizer, CPU control input relay turn-offs output loop; When input was higher than AC275V, in order to protect the safety of consumer, CPU control output relay turn-offed output loop, thereby reached protection consumer purpose of safety.Leakage protection circuit (21) is when normally moving with stabilized voltage supply; electric current is equilibrium state in the circuit; the current phasor sum is zero in the mutual inductor; owing to do not have residual current in the primary winding; so can not respond to secondary coil; when electric leakage takes place and has the people to touch in the stabilized voltage supply shell; then produce shunting in the trouble spot; cause the inflow of mutual inductor; imbalance has appearred in the electric current that flows out; primary winding produces residual current, just can respond to secondary coil, gives CPU after handling through shaping and handles; CPU sends the input that control signal is cut off stabilized voltage supply rapidly; and output loop, CPU sends shows signal and hummer alarm signal simultaneously.Warning circuit (22) sends warning information immediately when the CPU of stabilized voltage supply detects various unusual condition, drive the hummer alarm, gives LED/LCD display with information simultaneously, and flicker shows current alarm information, so that in time remind user and handling failure.

Claims (4)

1. new automatic energy-saving alternating current stabilized voltage supply, form by CPU governor circuit, input voltage frequency detection circuit, energy conversion transformer, servo control mechanism circuit, energy-saving control circuit, it is characterized in that: cpu central processing unit control delay adjustments, mode initialization, driving circuit; Energy-saving control circuit connects single-circuit transformer control linkage input voltage frequency detection circuit, input voltage frequency detection circuit, auxiliary power circuit, input voltage detection, temperature sensing circuit, safe transmission is connected to cpu controller again, simultaneously cpu controller again tieback to energy-saving control circuit; Cpu controller external connection keyboard circuit, display circuit, warning circuit.

2. new automatic energy-saving alternating current stabilized voltage supply according to claim 1 is characterized in that: driving circuit connects servomotor, and servomotor connects single-circuit transformer, and single-circuit transformer connects the Bypass Control circuit.

3. Bypass Control circuit according to claim 2 is characterized in that: the Bypass Control circuit has two circuits to connect, and a line connects output loop, and a line connects output voltage detecting circuit and gets back to controller.

4. new automatic energy-saving alternating current stabilized voltage supply according to claim 1 is characterized in that: energy-saving control circuit also directly connects the Bypass Control circuit.

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