CN2468223Y - Electrical switch central controller - Google Patents

Abstract

The utility model discloses a central controller for an electrical switch, which is composed of an encoding controller 1 and a decoding controller 2, wherein the encoding controller 1 comprises a key switch and an encoder; the decoding controller 2 comprises a decoder, a memory circuit, a power driver, a relay, and a low-voltage direct-current power supply which are connected in sequence; the encoding controller 1 is connected with the decoding controller 2 by at least three wires. The utility model realizes central control as well as makes wire installing and distributing work simple, and reduces electrical accidents possibly happening, and the encoding and the decoding controllers are connected with each other in parallel so that the central controller for an electrical switch can also conveniently realize multi-direction central control.

Description

The power switch Centralized Controller

The utility model relates to a kind of power switch Centralized Controller of power switch Centralized Controller, particularly a kind of wired remote control.

Producing at present, power switch in the life, generally all adopt mechanical switch such as knife switch, push-button switches etc. are directly controlled the break-make of electric power, for example for the electric consumption on lighting in the life, generally adopt push-button switch now, all need adopt a switch to control for each electrical appliance, thereby need a plurality of switches be installed in different places and control different electrical appliances respectively, carry out central controlled occasion at needs, need power line is caused the control point, the more problem of go-and-return line that has high-tension electricity, if eight electrical appliances are arranged, draw power line from each electrical appliance position and need nine 2.5mm at least to the switch panel of concentrating ²Power line; installation wiring is bothered very much; the bad also broken easily accidents such as short circuit, electric shock that cause of hindering of route protection; if need be mounted to two-way control; power lead is just more more complicated so, and more trouble is installed, and the possibility that electric power accident takes place is just bigger; and this control mode can't realize multi-faceted centralized control.

The purpose of this utility model just is to provide a kind of only can realize the central controlled Centralized Controller of power switch easily with three low-voltage leads, makes installation wiring work simple, and can realize the multi-faceted centralized control of power switch easily.

For achieving the above object, the utility model power switch Centralized Controller is made up of coding controller, decoding controlled device two parts, coding controller comprises key switch, encoder, the decoding controlled device comprises successively decoder, memory circuit, analog line driver, relay and the low-voltage dc power supply that connects, and coding controller adopts holding wire, low-voltage direct line, earth connection to be connected with deciphering between controlled device.

Adopt such structure, when mounted, coding controller is installed in centralized control point, the decoding controlled device is installed in the correct position place of power line, like this, connect coding controller and decipher that three lines of minimum needs are that holding wire, low-voltage direct line are connected with earth connection between controlled device, realizing under the central controlled prerequisite, reduced the quantity of power line back and forth widely, therefore installation wiring work is simple, and reduced contingent electric power accident, adopted and parallel with one anotherly between a plurality of coding controllers can realize multi-faceted centralized control easily.

Below in conjunction with the drawings and specific embodiments the utility model power switch Centralized Controller is described in further detail, but not as to qualification of the present utility model.

Fig. 1 is the functional-block diagram of the utility model power switch Centralized Controller.

Fig. 2 is the circuit diagram of the utility model most preferred embodiment.

Fig. 3 adopts the utility model power switch Centralized Controller to realize the multi-faceted central controlled functional-block diagram of power switch.

Fig. 1 has provided schematic diagram of the present utility model, the utility model power switch Centralized Controller is made up of coding controller 1, decoding controlled device 2 two parts, coding controller 1 comprises key switch, encoder, decoding controlled device 2 comprises decoder, memory circuit, analog line driver, relay and the low-voltage dc power supply that connects successively, coding controller 1 adopts holding wire, low-voltage direct line, earth connection to be connected with 2 of decoding controlled devices, and low-voltage dc power supply provides the low-voltage direct operating voltage for each building block simultaneously.Trigger certain button of key switch in the coding controller 1, make encoder produce one group of double-audio signal, arrive decoding controlled device 2 through signal wire transmits, through decoder for decoding, memory circuit can be remembered last state with power controlling driver transistor alternate conduction or end under same signal, thereby make analog line driver drive relay adhesive or not adhesive, reach the purpose that the control power switch is closed or disconnect.Described relay refers to the relay of broad sense, comprises electromagnetic relay and solid-state relay etc.; Described low-voltage dc power supply can adopt external direct current power supply, also can be by transformer, rectifier, pressurizer array output low-voltage DC in decoding controlled device 2.

Fig. 2 is that example has provided most preferred embodiment of the present utility model to control 8 electrical appliances, it comprises coding controller 1, decoding controlled device 2, coding controller 1 is connected by holding wire, low-voltage direct line, earth connection with 2 of controlled devices of decoding, and coding controller 1 is by key switch and double audio coding device IC with 8 buttons ₁Form, decoding controlled device 2 is by double audio decoder IC ₂, binary-coded decimal decoder IC ₃, memory circuit IC ₄-IC ₁₁, analog line driver T ₁-T ₈, relay J ₁-J ₈And transformer B, rectifier D ₁-D ₄, composition such as pressurizer, memory circuit IC ₄-IC ₁₁, analog line driver T ₁-T ₈, relay J ₁-J ₈Respectively have 8, control the switch of No. 8 electrical equipment respectively, only illustrate among the figure wherein a road.The 220VAC civil power becomes 16VAC output by transformer B transformation, again through rectifier D ₁-D ₄, filter capacitor C ₁Output dc voltage through pressurizer 7812 voltage stabilizings output 12VDC, is respectively coding controller 1 and relay J ₁-J ₈Operating voltage is provided; 12VDC is again via resistance R ₁₂, voltage-stabiliser tube D ₅Secondary voltage stabilizing output 6.2VDC is respectively double audio decoder IC ₂, binary-coded decimal decoder IC ₃, memory circuit IC ₄-IC ₁₁Operating voltage is provided.When installing energising first, memory circuit IC ₄-IC ₁₁D type flip flop all place low level output, analog line driver T ₁-T ₈Not conducting; When needing closed power switch, trigger key switch AN for the first time ₁, gating double audio coding device IC ₁5 pin and 12 pin, produce one group of double-audio signal, by signal wire transmits to decoding controlled device 2, by double audio decoder IC ₂Be translated into binary-coded decimal, again by binary-coded decimal decoder IC ₃Be translated into decadic signaling, gating Q ₁-Q ₈In pin Q for example ₄, produce high level, trigger memory circuit IC ₄-IC ₁₁In an IC for example ₄D type flip flop output high level, exciting power driver T ₁-T ₈In corresponding triode T for example ₁Conducting, then relay J ₁-J ₈In with this analog line driver T ₁The corresponding relays that connects is J for example ₁Adhesive gets final product closed one group of 220VAC power switch; When needing to open this group power switch, trigger key switch AN once more ₁, same gating double audio coding device IC ₁5 pin and 12 pin, produce one group of double-audio signal, by signal wire transmits to decoding controlled device 2, by double audio decoder IC ₂Be translated into binary-coded decimal, again by binary-coded decimal decoder IC ₃Be translated into decadic signaling, gating Q ₄, produce high level, trigger IC ₄D type flip flop, this moment IC ₄D type flip flop output be low level, analog line driver T ₁End relay J ₁Disconnect, can disconnect this group 220VAC power switch; Promptly finish a switch circulation by above operation, trigger key switch AN successively ₁, can realize the closed or disconnection of this group 220VAC power switch.Similarly, trigger key switch AN ₂-AN ₈, can control the closed or disconnection of all the other seven groups of 220VAC power switches respectively.

In the above-described embodiments, what adopt is that 1 pair of 220VAC power switch of a coding controller is realized centralized control, in fact can also adopt a plurality of coding controllers in parallel each other to realize multi-faceted centralized control, the connection of a plurality of coding controllers as shown in Figure 3, drawn three coding controller 1a, 1b, 1c of signal only among Fig. 3, the corresponding key switches that triggers any one coding controller is AN for example ₁, all be the equal of the key switch AN that triggers the one and same coding controller ₁, all can control relay J ₁Adhesive or disconnection, control principle is identical with aforementioned specific embodiment, these three coding controller 1a, 1b, 1c can be installed in different positions, thereby realize the Three-bearing centralized control to the 220VAC power switch easily.Owing to only need a plurality of coding controller parallel connections can be realized the multi-faceted centralized control of power switch, therefore, adopt two, three, a plurality of coding controller parallel connection can be easily power switch to be realized two orientation, Three-bearing, multi-faceted centralized control respectively.

Claims (4)

1, a kind of power switch Centralized Controller that contains relay, it is characterized in that: this power switch Centralized Controller is made up of coding controller 1, decoding controlled device 2 two parts, coding controller 1 comprises key switch, encoder, decoding controlled device 2 comprises decoder, memory circuit, analog line driver, relay and the low-voltage dc power supply composition that connects successively, and coding controller 1 and 2 of decoding controlled devices adopt holding wire, low-voltage direct line, earth connection to be connected.

2, power switch Centralized Controller according to claim 1 is characterized in that: described decoder is made up of double audio decoder, binary-coded decimal decoder.

3, power switch Centralized Controller according to claim 1 and 2 is characterized in that: described power switch Centralized Controller comprises a coding controller 1 and a decoding controlled device 2.

4, power switch Centralized Controller according to claim 1 and 2 is characterized in that: described power switch Centralized Controller comprises a plurality of coding controllers and a decoding controlled device 2.

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