CN2912101Y

CN2912101Y - Controller of a.c. power source

Info

Publication number: CN2912101Y
Application number: CN 200620018236
Authority: CN
Inventors: 曾俊超
Original assignee: Advanpower International Ltd
Current assignee: Advanpower International Ltd
Priority date: 2006-03-21
Filing date: 2006-03-21
Publication date: 2007-06-13
Anticipated expiration: 2016-03-21

Abstract

The utility model relates to an A.C. supply controller, which comprises an input terminal connected with the electricity at the output terminal via a control interface of the power supply. In addition, the electricity at the input terminal is connected with a phase regulating device at the control interface of the power supply. The phase regulating device comprises a microprocessor, a DIP switch and a receiving module for the control signal. And a signal detecting interface is provided to precisely detect the phase change of the power supply, which makes the microprocessor automatically adjust the time delay D n of the demands of ''switch on'' and ''switch off'' transferred to the A.V. supply control interface according to the selected switch on phase P n, so as to precisely control the supply output. Consequently, the phase difference between the current and the voltage produced by the reactance load is improved, and the problem of incorrect or unstable A.C. supply output is solved.

Description

The AC power controller

Technical field

The utility model relates to a kind of AC power controller, and particularly a kind of the detection automatically according to phase place produces the delay time adjustment, with the output of control power supply and the controller of size thereof.

Background technology

Known, at present when the size variation of control out-put supply, mostly be the output control of carrying out different electrical power output demand by power-supply controller of electric, the design of power-supply controller of electric and running control will directly influence the accuracy of its power supply output control, so good design and adjusting function will improve the stability of power-supply controller of electric to the control of voltage output size.

Traditional power-supply controller of electric that is applied to AC power output control, its structure comprises input, output at least and is linked to control interface between input, the output, and be reference directly with the phase place of the alternating current of input, start power supply at different phase place places, to realize the control of output AC power source size.Yet above-mentioned traditional control mode, can't accurately detect the phase change of input power supply, and electric current that reactive load produced and the phase difference between voltage etc., do not have phase difference regulation and control design overcoming the problems referred to above yet, thus can't be correctly, the AC power size of control output stably.

Summary of the invention

Main purpose of the present utility model, be to solve the aforementioned problems in the prior, the utility model designs again to the power controller circuit structure, make the power supply control interface between power input and output, can be according to the detection signal of phase place, start phase place by microprocessor according to the power supply output of setting, generation is delayed conducting of power supply control interface and shut-in time control command, to adjust power supply output, control for power supply output size, improve its output control stabilization degree and phase change accuracy of detection, thereby provide easier for the user, cheap but high efficiency practical AC power controller.

To achieve these goals, AC power controller of the present utility model includes:

Input;

Output;

The power supply control interface is electrically connected on above-mentioned input and output to export control as power supply;

The phase place regulation device is electrically connected with above-mentioned power supply control interface input;

Wherein, by the phase change of described phase place regulation device,, adjust the time delay Dn that sends between conducting that exchanges the power supply control interface and cut-out instruction automatically, with accurate control power supply output according to selected conducting phase place Pn according to the input power supply that is detected.

Description of drawings

Fig. 1 is the circuit structure calcspar of an embodiment of the utility model;

Fig. 2 is the circuit diagram of an embodiment of the utility model;

Fig. 3 is the circuit structure calcspar of input interface in the utility model;

Fig. 4 is the circuit diagram of an embodiment of input interface in the utility model;

Fig. 5 is the circuit diagram of another embodiment of input interface in the utility model;

Fig. 6 is the operation workflow schematic diagram of an embodiment of the utility model;

Fig. 7 and Fig. 8 are the relation explanation schematic diagrames of the utility model time delay parameter Rn, fixed phase Pr, conducting phase place Pn.

In the accompanying drawing, the list of parts of each label representative is as follows:

Input 1 output 2

Power supply control interface 3 regulation devices 4

Microprocessor 41 coding thumb-acting switch 42

Control signal receiver module 43 input interfaces 44

Rectifier 441 attenuators 442

Amplifier 443 flow processs 500～540

Embodiment

About technology contents of the present utility model and detailed description, existing accompanying drawings is as follows:

Fig. 1 to Fig. 5 is that the circuit of AC power controller of the present utility model is formed structure square and circuit-line schematic diagram.As shown in the figure, the AC power controller that this is novel, comprise: input 1, it is electrically connected with output 2 by power supply control interface 3, in addition, is electrically connected with regulation device 4 at the input of power supply control interface 3, described regulation device 4 has the automatic measuring ability of phase place, to produce time lag control to 3 conductings of power supply control interface and out code, export size thereby stably regulate and control power supply, and solution electric current that reactive load produced and the problems such as phase difference between voltage.

Phase place regulation device 4 comprises: microprocessor (MCU) 41, and it is electrically connected with power supply control interface 3 with the output control command; Coding thumb-acting switch 42, it is electrically connected with microprocessor 41, to set different system's groups; And control signal receiver module 43, it receives the control signal of different power supply output modes, and be provided with input and connect 44 and be electrically connected with input with power input 1 and microprocessor 41, detecting the phase place of input 1 power supply, and export the testing result signal parameter of microprocessor 41 to as calculating time delay Dn.

In specific embodiment, control signal receiver module 43 can receive control signal by any one of wired, wireless (RF) or infrared ray (IR) mode.

Input connects 44, mainly is made up of rectifier 441, attenuator 442 and amplifier 443, and with the phase change of accurate detection input power supply, wherein rectifier 441 is the configuration rectification of single diode, as shown in Figure 4, or is bridge rectifier, as shown in Figure 5.

Microprocessor 41 carries out time delay Dn calculating according to the testing result signal of input interface 44 outputs, and formula () reaches the relation between the alternating voltage period T that (two) are time delay Dn, time delay parameter Rn and input:

Dn=Rn ÷ 2 π * T ()

Rn=Pr-Pn (two)

Wherein, Pr is a fixed phase, and Pn is the conducting phase place.

Connect the testing result signal of 44 outputs according to above-mentioned input, by microprocessor 41 according to selected conducting phase place Pn, automatically adjustment is delivered to the conducting of AC power control interface 3 and the time delay Dn between the cut-out instruction, with the power supply output size of accurate control output end 2.

Phase place regulation device 4 and microprocessor 41 accurately detect the phase change of power input 1 by input interface 44, calculating by microprocessor 41, automatically adjustment is delivered to the conducting of AC power control interface 3 and the time delay Dn between the cut-out instruction, thereby correct, stable control power supply output size, and overcome electric current that reactive load produces and the phase difference between voltage.

Fig. 6,7 and 8 is flow charts of a running embodiment of AC power controller of the present utility model.As shown in the figure, AC power controller of the present utility model has the foregoing circuit structure to be formed, and its concrete operation workflow comprises:

Running in flow process 500 begins, and carries out initial parameters and sets;

In the block encoding program of flow process 502, detect the set point of coding thumb-acting switch 42, confirm system's group;

Function selecting program in flow process 504, the handle that transmits according to control signal receiver module 43, the power supply output mode function that selection will be carried out comprises first pattern (flow process 506) in the present embodiment, (opening) pattern that it is all exported for the AC power of selecting input; Second pattern (flow process 508), (pass) pattern that it all stops to export for the AC power of selecting input; Three-mode (flow process 510), (enhancing) pattern that it strengthens for the AC power of selecting output; And four-mode (flow process 512), (weakening) pattern that it weakens for the AC power of selecting output;

When phase place regulation device 4 when control signal receiver module 43 receives the control signal of first mode capabilities of flow process 506, directly export first pattern (opening) control commands to power supply control interface 3 by microprocessor (MCU) 41, make input 1 and output 2 conductings, thereby the AC power of input is all exported, as flow process 514; When if the control signal of receiving is the second mode capabilities control signal of flow process 508, directly export second pattern (pass) control commands to power supply control interface 3 by microprocessor (MCU) 41, close the conducting of input 1 and output 2, make the AC power of input all stop output, as flow process 516.

In addition, when phase place regulation device 4 receives from control signal receiver module 43 is the three-mode function control signal of flow process 510, when promptly strengthening power supply output size, then in the phase-detection program, as flow process 518, import the phase place of power supply according to the testing result signal determining of input interface 44 transmission, selecting conducting phase place Pn program, as flow process 520, handle according to 43 transmission of control signal receiver module, the phase place of selecting the input power supply is as the starting point that is sent to the turn-on command of AC power control interface 3, then, conducting AC power interface 3, as flow process 522, and according to selected conducting phase place Pn, by microprocessor 41 calculating time delay D1, in flow process 524, be sent to the conducting of AC power control interface 3 and the time delay D1 between the cut-out instruction by microprocessor 41 automatic adjustment, as shown in Figure 7, after finishing, power supply output sends the control command of cutting off AC power control interface 3 then, as flow process 526, and judge further whether power supply output mode function changes, as flow process 528, thereby get back to the function selecting program of flow process 504, or the phase-detection program of getting back to flow process 518 operates control according to judged result.

When phase place regulation device 4 receives from control signal receiver module 43 is the four-mode function control signal of flow process 512, when promptly weakening power supply output size, its operation workflow 530～540 is identical with the regulation and control flow process 518～528 of the three-mode function of above-mentioned flow process 510.

Accurately detect the phase change of power input 1 by above-mentioned input interface 44, and the time delay Dn of process microprocessor 41 calculates, adjust the conducting that is delivered to AC power control interface 3 and cut off time delay Dn between instruction, thereby correct, stable control power supply output size, and overcome electric current that reactive load produces and the phase difference between voltage.

The above is a preferred embodiment of the present utility model only, is not so promptly limits claim of the present utility model, and every other equivalence of being done in the utility model characteristic range changes or modifies, and all should be included in the claim of the present utility model.

Claims

1. an AC power controller is characterized in that, its structure comprises:

Input;

Output;

The power supply control interface, it is electrically connected on described input and described output;

The phase place regulation device is electrically connected with described power supply control interface input;

Wherein, the phase change of the input power supply that is detected and selected conducting phase place input to described phase place regulation device, and automatic adjusted conducting of described phase place regulation device and the time delay of cutting off between instruction are sent to the AC power control interface.

2. AC power controller as claimed in claim 1 is characterized in that, described phase place regulation device comprises:

Microprocessor is electrically connected with the output control command with described power supply control interface;

The coding thumb-acting switch is electrically connected with described microprocessor, to set different system's groups;

The control signal receiver module is electrically connected with described microprocessor, to receive the control signal of different power supply output modes; And,

The input interface is electrically connected described power input and microprocessor input, inputs to microprocessor as the time delay parameters calculated with the detected phase signal.

3. AC power controller as claimed in claim 2 is characterized in that, described control signal receiver module is wired receiver module, wireless receiving module or infrared ray receiver module.

4. AC power controller as claimed in claim 2 is characterized in that, described input interface comprises rectifier, attenuator and amplifier.

5. AC power controller as claimed in claim 4 is characterized in that, described rectifier is a diode.

6. AC power controller as claimed in claim 4 is characterized in that, described rectifier is a bridge rectifier.

7. AC power controller as claimed in claim 2, it is characterized in that, the testing result signal conveys of input interface output is to described microprocessor, described microprocessor with calculating time delay after self-adjusting conducting send to described AC power control interface with the time delay of cutting off between instructing.