CN207382282U - A kind of power switch control - Google Patents

Abstract

The utility model discloses a kind of power switch controls, including first resistor to the 8th resistance, the first capacitance to the 5th capacitance, the first diode to the 3rd diode, bidirectional triode thyristor, voltage-stabiliser tube and switch chip, the electric current release that the 5th capacitance charges behind touch end, signal trigger switch chip activity after the second diode and third ear machine pipe rectification, the 8th pin output control signal of switch chip and then the angle of flow of control bidirectional triode thyristor change and control switch and gear.Compared with prior art, the utility model is using the bidirectional triode thyristor core component in order to control of oncontacting point contact, and control is contactless, and service life is high, and control is sensitive, and manipulation only needs the metal shell of touch apparatus, easy to control, has the value of popularization and application.

Description

A kind of power switch control

Technical field

The utility model is related to technical field of electric power more particularly to a kind of power switch controls.

Background technology

The word explanation of switch is opening and closing.It also refers to that one can make open circuit, make current interruptions or make It flows to the electronic component of other circuits.It is most common switch be allow people operate electromechanical equipment, wherein there are one or several electricity Sub- contact.The " closed " (closed) of contact represents electronic contact conducting, and electric current is allowed to flow through；" open circuit " (open) table of switch Show that electronic contact is not turned on forming open circuit, electric current is not allowed to flow through.Switch variety of the prior art is various, there is mechanical switch, But mechanical switching operations are inconvenient, and the contact point service life of the electronic switch with contact is low, is easily damaged, and accordingly, there exist improvement Space.

Utility model content

The purpose of this utility model is that solve the above-mentioned problems and provides a kind of power switch control.

The utility model is achieved through the following technical solutions above-mentioned purpose：

The utility model includes first resistor to the 8th resistance, the first capacitance to the 5th capacitance, the first diode to the 3rd Diode, bidirectional triode thyristor, voltage-stabiliser tube and switch chip, the first end of AC power simultaneously with load electrical appliance first end, The first end of second resistance is connected with the first end of the 4th resistance, the second end of AC power while first with bidirectional triode thyristor End, the first end of first resistor, the first end of the first capacitance, the anode of voltage-stabiliser tube, the first end of the 3rd capacitance, switch chip The anode of 7th pin and the 3rd diode connects, and the second end of bidirectional triode thyristor is connected with loading the second end of electrical appliance, double It is connected simultaneously with the second end of first resistor and the first end of 3rd resistor to silicon-controlled control terminal, the second end of second resistance Be connected with the anode of the first diode, the cathode of the first diode simultaneously with the second end of the first capacitance, the cathode of voltage-stabiliser tube, the The first end of five resistance, the 3rd pin, the first end of the 8th resistance, the first end of the 4th capacitance and the two or two pole of switch chip The cathode connection of pipe, the second end of 3rd resistor are connected by the 8th pin of the second capacitance and switch chip, the 4th resistance Second end is connected simultaneously with the second end of the 3rd capacitance and the second pin of switch chip, the first pin of switch chip and the 5th The second end connection of resistance, the 4th pin of switch chip are connected with the first end of the 7th resistance, and the second end of the 7th resistance is same The first end connection of the cathode of tri- diodes of Shi Yu, the anode of the second diode and the 5th capacitance, the 5th of switch chip draws Foot is connected with the first end of the 6th resistance, the 5th pin of switch chip simultaneously with the second end of the 6th resistance, the 8th resistance Second end is connected with the second end of the 4th capacitance, the metal shell of the second end connection equipment of the 5th capacitance.

The beneficial effects of the utility model are：

The utility model is a kind of power switch control, and compared with prior art, the utility model uses oncontacting point contact Bidirectional triode thyristor core component in order to control, control is contactless, and service life is high, and control is sensitive, and manipulation is only needed to touch and set Standby metal shell, it is easy to control, it has the value of popularization and application.

Description of the drawings

Fig. 1 is the circuit structure schematic diagram of the utility model.

Specific embodiment

The utility model is described in further detail below in conjunction with the accompanying drawings：

As shown in Figure 1：The utility model includes first resistor R1 to the 8th resistance R8, the first capacitance C1 to the 5th capacitance C5, the first diode D1 to the 3rd diode D3, bidirectional triode thyristor SCR, voltage-stabiliser tube DW and switch chip IC, AC power AC's First end of the first end simultaneously with the first end of load electrical appliance FZ, the first end of second resistance R2 and the 4th resistance R4 is connected, The second end of AC power AC simultaneously with the first end of bidirectional triode thyristor SCR, the first end of first resistor R1, the first capacitance C1 First end, the anode of voltage-stabiliser tube DW, the first end of the 3rd capacitance C3, the 7th pin of switch chip IC and the 3rd diode D3 Anode connects, and the second end of bidirectional triode thyristor SCR is connected with loading the second end of electrical appliance FZ, the control of bidirectional triode thyristor SCR End is connected simultaneously with the second end of first resistor R1 and the first end of 3rd resistor R3, the second end of second resistance R2 and the one or two The anode connection of pole pipe D1, the cathode of the first diode D1 simultaneously with the second end of the first capacitance C1, the cathode of voltage-stabiliser tube DW, the The first end of five resistance R5, the 3rd pin of switch chip IC, the first end of the 8th resistance R8, the first end of the 4th capacitance C4 and The cathode connection of second diode D2, the second end of 3rd resistor R3 pass through the 8th pin of the second capacitance C2 and switch chip IC Connection, the second end of the 4th resistance R4 are connected with the second end of the 3rd capacitance C3 and the second pin of switch chip IC, open simultaneously The first pin for closing chip IC is connected with the second end of the 5th resistance R5, the 4th pin of switch chip IC and the 7th resistance R7's First end connects, the second end of the 7th resistance R7 simultaneously with the cathode of the 3rd diode D3, the anode of the second diode D2 and the The first end connection of five capacitance C5, the 5th pin of switch chip IC are connected with the first end of the 6th resistance R6, switch chip IC The 5th pin connect simultaneously with the second end of the second end of the 6th resistance R6, the second end of the 8th resistance R8 and the 4th capacitance C4 It connects, the metal shell of the second end connection equipment of the 5th capacitance C5.

The operation principle of the utility model is as follows：

The voltage of four gear control load FZ of the utility model point.Energization back loading FZ does not work, and gently touches one for the first time The metal shell of lower IN ends connection.Exemplified by loading FZ connection bulbs or motor, light bulb or motor send the light or electricity of low-light level The machine slow-speed of revolution, second of Touching controlling lamp are soaked out the light of intermediate light or motor moderate rotation, and third time touches light bulb and becomes all light Or motor rotates at full speed, the 4th tactile light bulb extinguishes or motor shuts down, and cycles successively.The 5th capacitance C5 fills after touching IN ends The electric current release of electricity, signal trigger switch chip IC after the second diode D2 and third ear machine pipe D3 rectifications act, switch The 8th pin output control signal of chip IC and then the angle of flow of control bidirectional triode thyristor SCR change and control switchs and shelves Position.

The basic principle of the utility model and main feature and the advantages of the utility model has been shown and described above.One's own profession The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description Simply illustrate the principle of the utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model is also Various changes and modifications are had, these various changes and improvements fall within the scope of the claimed invention.The utility model Claimed scope is defined by the appending claims and its equivalent thereof.

Claims (1)

1. a kind of power switch control, it is characterised in that：Including first resistor to the 8th resistance, the first capacitance to the 5th capacitance, First diode to the 3rd diode, bidirectional triode thyristor, voltage-stabiliser tube and switch chip, the first end of AC power simultaneously with load The first end of electrical appliance, the first end of second resistance are connected with the first end of the 4th resistance, the second end of AC power simultaneously with The first end of bidirectional triode thyristor, the first end of first resistor, the first end of the first capacitance, the anode of voltage-stabiliser tube, the 3rd capacitance The anode connection of first end, the 7th pin of switch chip and the 3rd diode, second end and the load electricity consumption of bidirectional triode thyristor The second end connection of device, the control terminal of bidirectional triode thyristor connect simultaneously with the first end of the second end of first resistor and 3rd resistor Connect, the second end of second resistance is connected with the anode of the first diode, the cathode of the first diode simultaneously with the first capacitance the Two ends, the cathode of voltage-stabiliser tube, the first end of the 5th resistance, the 3rd pin of switch chip, the first end of the 8th resistance, the 4th electricity The first end of appearance is connected with the cathode of the second diode, the second end of 3rd resistor pass through the second capacitance and switch chip the 8th Pin connects, and the second end of the 4th resistance is connected simultaneously with the second end of the 3rd capacitance and the second pin of switch chip, is switched First pin of chip is connected with the second end of the 5th resistance, and the 4th pin of switch chip and the first end of the 7th resistance connect It connects, the second end of the 7th resistance while the first end with the cathode of the 3rd diode, the anode of the second diode and the 5th capacitance Connection, the 5th pin of switch chip are connected with the first end of the 6th resistance, and the 5th pin of switch chip is electric with the 6th simultaneously The second end of resistance, the second end of the 8th resistance are connected with the second end of the 4th capacitance, the second end connection equipment of the 5th capacitance Metal shell.