A kind of circuit based on POS (machine point of sale machine) enabling interlock elevator and implementation method
Technical field
The invention belongs to intelligent building engineering field, relate to a kind of owner of realization calling elevator while building first floor gangway doorway machine swipes the card enabling, thus reduce the circuit waiting for elevator door time, be specifically related to a kind of circuit based on POS (machine point of sale machine) enabling interlock elevator and implementation method.
Background technology
Along with the quickening of city people's growth in the living standard, rhythm of life, be not only meeting on goods and materials to the demand of life, but hommization experience is comfortable, convenient.In order to better embody human oriented design, at numerous high-end building, all visible dialogue system being improved, adding doorway machine and calling out terraced function.This function is specifically implemented to be to swipe the card calling elevator functions at the house first floor and the doorway machine increase of subterranean room Ge Ceng elevator hall, namely owner is entering while doorway machine swipes the card enabling, to a road signal to elevator call buttons, realize call in advance, for owner saves the time, farthest effectively uses elevator, improve energy utilization rate.But electric signal is transported to elevator(lift) machine room by doorway machine calling at present elevator often, general run of thins calling elevator is all at the first floor, but elevator(lift) machine room is at top layer, therefore this scheme cloth line length, construction is complicated, and there is the phenomenon of signal attenuation, is also unfavorable for the maintenance in later stage.The gangway doorway machine being also simultaneously 201420674875.5 just like application number is swiped the card and is opened the door and call out the circuit record of elevator: in order to overcome existing scheme cloth line length, construction is complicated, the problem of signal attenuation and shortcoming, the signal exported after proposing to adopt the Xin ﹙ general gangway doorway machine exported after directly gangway doorway machine being swiped the card to swipe the card is that dry contact Xin ﹚ is divided into two-way by two-way relay, one road signal is dry contact letter ﹚ to the signal of the general elevator call buttons collection of elevator call button ﹙ of current layer, realize the function of calling elevator, another road signal is delivered to door lock and realizes unblanking.But because the present invention adds one group of DC power supply to solve prior art Problems existing more in technical scheme, and relay Bian doubleway output, there is the defect that cost is high, not energy-conservation.Crowd knows: gangway doorway machine output switch is generally dry contact signal, for controlling door-lock opening and closedown, under just normally closed door state, gangway doorway machine output switch is for connecting, on door lock, when gangway doorway machine swipes the card enabling, gangway doorway machine output switch disconnects, provide door lock ct-off signal, open door.So by analysis: the present invention adopts the normally closed contact A of two-way relay and door open button and connects, open contact B and elevator call buttons also connect, to there will be: under just normally closed door state, relay coil is energized, normally closed contact A disconnects, keep door to close by door open button, open contact B closes, and is equivalent to keep elevator call buttons to press and mistake always; When swiping the card, gangway doorway machine output switch disconnects, and provides door lock ct-off signal, relay coil power-off, normally closed contact A reverts to normally closed, open contact B reverts to and often opens, and when normally closed contact A reverts to normally closed, now should open door and not open, the door and door open button is not opened yet, often open because open contact B reverts to, elevator call buttons recovers normal, but now should operate and not simulate by simulant elevator call button; If think that normally closed contact A is for normally closed during energising, open contact B opens often for being energized, to there will be: under just normally closed door state, relay coil is energized, contact A normally closed during energising is normally closed, but occur not opening door by door open button, and the contact B that energising is opened often is for often to open, so elevator call buttons recovers normal at all; When swiping the card, gangway doorway machine output switch disconnects, and provides door lock ct-off signal, relay coil power-off, contact A normally closed during energising disconnects, but keeps door to close by door open button, do not open door, the contact B often opened that is energized closes, and simulant elevator call button operates; If suppose gangway doorway machine output switch, under just normally closed door state, output switch is off, and after swiping the card, output switch is for connecting, and several situation is not just analyzing, in a word do not go out correct answer of the present invention.Crowd knows: the door shut is far longer than opening time, and the gangway doorway machine that application number is 201420674875.5 is swiped the card and to be opened the door and the circuit of calling elevator is recorded: in the door shut, relay coil is energising, therefore can not economize on electricity.
Summary of the invention
The technical matters of object of the present invention and solution is that the gangway doorway machine being 201420674875.5 for application number is swiped the card and to be opened the door and defect that the circuit of calling elevator exists is improved, a kind of circuit based on POS (machine point of sale machine) enabling interlock elevator and implementation method are proposed, realize correct function, Qie Wei mono-tunnel DC power supply, the output that relay Bian often leaves by a single channel, gangway doorway machine swipe the card after relay be just energized, energy-conservation.
In order to realize above-mentioned object, the technical scheme that the present invention realizes object is:
Open the door based on POS (machine point of sale machine) the circuit of interlock elevator, is made up of the door open button of gangway doorway machine, relay J, elevator call buttons, door lock, door lock, aerotron Q, a resistance R and direct supply, the positive pole of wherein said direct supply is held with the DOOR+ of gangway doorway machine output switch respectively, the emitter of aerotron Q is connected, the DOOR-end of described gangway doorway machine output switch respectively with one end of door open button, the base stage of aerotron Q, one end of resistance R is connected, the other end of described door open button is connected with the positive pole of door lock, the collecting electrode of aerotron Q is connected with relay J coil one end, the open contact of described relay J is with elevator call buttons phase and connect, the negative pole of direct supply and the negative pole of door lock, the other end of relay J coil, the other end of resistance R is connected.
Described direct supply is direct current 12V.
Described relay J is the DC relay that a single channel is often opened.
Described aerotron Q is positive-negative-positive or switching mode aerotron.
Described resistance R is the biasing resistor of aerotron Q base stage, guarantees that aerotron Q enters from cut-off saturated when disconnecting for gangway doorway machine output switch, and not by the impact that door open button uses.
The door open button of described door lock is the door open button be arranged in door, is normally closed push button switch, that is: door open button is under just normally closed door state, and the switch of door open button is for connecting; When pressing door open button, the switch of door open button is disconnected by the state closing (connection), and when unclamping door open button, the switch connection of door open button, namely reverts to closed.
Described gangway doorway machine output switch is dry contact signal, and gangway doorway machine is under just normally closed door state, and output switch is for connecting, and after gangway doorway machine swipes the card enabling, output switch disconnects, and provides a ct-off signal.
Described elevator call buttons is and the elevator call buttons of gangway doorway machine with layer.And the signal of elevator call buttons collection is also dry contact signal.
Realize above-mentioned object, another technical scheme of the present invention is:
Based on an implementation method for the circuit of POS (machine point of sale machine) enabling interlock elevator, comprise the steps:
(1) under the state of gangway doorway machine output switch connection:
1. aerotron Q ends: the coil no power of relay J, and the open contact of relay J remains open, and does not have signal to be transported to elevator call buttons;
2., when door open button is in releasing orientation, door lock is in obtain electricity condition, and door lock closes;
When 3. pressing door open button, door lock dead electricity is opened the door;
4. whether door open button is pressed, and does not all affect aerotron Q off condition;
(2) under the state of gangway doorway machine output switch disconnection:
1. aerotron Q is saturated: the coil electricity of relay J, and the open contact of relay J is connected, and exports a road dry contact signal and calls out elevator to elevator call buttons, realize elevator-calling function;
2. whether door open button is pressed, and the equal dead electricity of door lock is opened the door, and does not affect aerotron Q saturation conditions.
Beneficial effect:
A kind of circuit based on POS (machine point of sale machine) enabling interlock elevator of the present invention and implementation method, power acquisition one tunnel, relay adopt a single channel open contact, and under just normally closed door state, the coil no power of relay J, the coil electricity of relay J when doorway machine swipes the card enabling, open contact is connected, and exports a road dry contact signal and calls out elevator to elevator call buttons, thus realize elevator-calling function.Be also advantageous in that cost is low and energy-conservation, reliable.
Accompanying drawing explanation
Fig. 1 is the functional block diagram of a kind of circuit based on POS (machine point of sale machine) enabling interlock elevator of the present invention.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that specific embodiment described herein only for explaining the present invention, being not intended to limit the present invention.
As shown in Figure 1, a kind of circuit of the interlock elevator that opens the door based on POS (machine point of sale machine), is made up of the door open button of gangway doorway machine 3050, relay J, elevator call buttons, door lock, door lock, aerotron Q, a resistance R and direct supply DC12V, the positive pole of direct supply DC12V is held with the DOOR+ of gangway doorway machine 3050 output switch respectively, the emitter of aerotron Q is connected, the DOOR-end of gangway doorway machine 3050 output switch respectively with one end of door open button, the base stage of aerotron Q, one end of resistance R is connected, the other end of door open button is connected with the positive pole of door lock, the collecting electrode of aerotron Q is connected with relay J coil one end, the open contact of relay J is with elevator call buttons phase and connect, the negative pole of direct supply DC12V and the negative pole of door lock, the other end of relay J coil, the other end of resistance R is connected.
Described direct supply DC12V is direct current 12V.
Described relay J is the DC relay that a single channel is often opened.
Described aerotron Q is PNP type triode, and is switching mode.
Described resistance R is the biasing resistor of aerotron Q base stage, guarantees that aerotron Q enters from cut-off saturated when disconnecting for gangway doorway machine output switch, and not by the impact that door open button uses.
When aerotron Q ends, the coil no power of relay J, the open contact of relay J remains open.
When aerotron Q is saturated, the coil electricity of relay J, the open contact of relay J is connected.
The door open button of described door lock is the door open button be arranged in door, is normally closed push button switch, that is: door open button is under just normally closed door state, and the switch of door open button is for connecting; When pressing door open button, the switch of door open button is disconnected by the state closing (connection), and when unclamping door open button, the switch connection of door open button, namely reverts to closed.
Described gangway doorway machine 3050 output switch is dry contact signal, and gangway doorway machine 3050 is under just normally closed door state, and output switch is for connecting, and after gangway doorway machine 3050 swipes the card enabling, output switch disconnects, and provides a ct-off signal.
Described elevator call buttons is and the elevator call buttons of gangway doorway machine 3050 with layer.And the signal of elevator call buttons collection is also dry contact signal.
Refer under just normally closed door state: the connection of gangway doorway machine 3050 output switch, the switch connection of door open button, door lock are in obtain electricity condition locking.
Implementation method of the present invention is as follows:
(1) under the state of gangway doorway machine 3050 output switch connection:
1. aerotron Q ends: the coil no power of relay J, and the open contact of relay J remains open, and does not have signal to be transported to elevator call buttons;
2., when door open button is in releasing orientation, door lock is in obtain electricity condition, and door lock closes;
When 3. pressing door open button, door lock dead electricity is opened the door;
4. whether door open button is pressed, and does not all affect aerotron Q off condition;
(2) under the state of gangway doorway machine 3050 output switch disconnection:
1. aerotron Q is saturated: the coil electricity of relay J, and the open contact of relay J is connected, and exports a road dry contact signal and calls out elevator to elevator call buttons, realize elevator-calling function;
2. whether door open button is pressed, and the equal dead electricity of door lock is opened the door, and does not affect aerotron Q saturation conditions.
These are only embodiments of the present invention, it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.