CN214733580U

CN214733580U - Non-contact induction elevator switch panel

Info

Publication number: CN214733580U
Application number: CN202023349341.XU
Authority: CN
Inventors: 凡伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-16
Anticipated expiration: 2030-12-31

Abstract

The utility model provides a contactless response elevator switch panel relates to elevator control technical field. The elevator control system comprises an elevator calling panel, a floor selection panel and an elevator controller, wherein the elevator calling panel and the floor selection panel are respectively and electrically connected with the elevator controller, and non-contact control switch unit circuits are respectively arranged on the elevator calling panel and the floor selection panel. The direct contact between people through the keys is avoided, thereby avoiding the mutual infection of viruses.

Description

Non-contact induction elevator switch panel

Technical Field

The utility model relates to an elevator control technical field particularly, relates to a contactless response elevator switch panel.

Background

An elevator is a permanent transport device serving a number of specific floors in a building, the cars of which travel in at least two rigid tracks perpendicular to the horizontal or inclined at an angle of less than 15 ° to the vertical. There are also steps, where the tread plates are mounted on a track for continuous operation, commonly known as escalators or moving walkways. A fixed elevator apparatus serving a predetermined floor. The vertical lift elevator has a car that runs between at least two vertical rows of rigid guide rails or guide rails with an angle of inclination of less than 15 °. The elevator adopts a permanent magnet synchronous traction machine as power at the end of the 20 th century. The machine room occupation is greatly reduced, the energy consumption is low, the energy is saved, the efficiency is high, the lifting speed is high, and the like, and the development of real estate to the direction of an ultra-high layer is greatly promoted. The passenger elevator is an intelligent and automatic device controlled by a microcomputer, no special personnel is needed for operation and driving, and common passengers only need to take and operate the elevator according to the following procedures. At the entrance of the elevator on the elevator taking floor, according to the requirement of going upwards or going downwards, the arrow button in the upper direction or the lower direction is pressed, as long as the lamp on the button is on, the call is recorded, as long as the elevator is waited for, the call is controlled by the elevator. After the elevator arrives and opens the door, let personnel in the car go out the elevator earlier, then call the elevator car again and get into the elevator car. After entering the car, according to the floor that you need to arrive, press the corresponding number button on the steering wheel in the car. Similarly, as long as the button lights up, it indicates that your selection layer has been recorded; at the moment, any other operation is not needed, and the elevator can stop when reaching the destination floor, namely the elevator call control. The elevator among the prior art exhales outward and exhales control in all adopts the button to control, and the phenomenon of button damage appears after long-time not only easily to the button control mode, and needs to maintain repeatedly many times, and because the button needs and user contact, causes the propagation phenomenon of the virus of contact, bacterium easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a contactless response elevator flush mounting plate of switch, it can avoid people to pass through button direct contact to avoid the mutual infection of virus.

The embodiment of the utility model is realized like this:

the embodiment of the application provides a contactless response elevator switch panel, and it includes elevator calling panel, floor selection panel and elevator controller, and elevator calling panel, floor selection panel are connected with the elevator controller electricity respectively, all are equipped with contactless control switch unit circuit on elevator calling panel and the floor selection panel.

The utility model discloses an in some embodiments, contactless control switch unit circuit includes the infrared emission pipe, the infrared ray receiver tube, the amplifier, a power supply, potentiometre and relay, the output of infrared emission pipe is connected with the input of amplifier, the input of infrared emission pipe is connected with the output of amplifier, the output and the potentiometre of amplifier are connected, the other end and the input of relay of potentiometre are connected, the output and the elevator controller of relay are connected, the output and the input of relay of elevator controller are connected, emitting diode's positive pole is connected with the amplifier, emitting diode's negative pole is connected with the relay, the amplifier, relay and emitting diode all are connected with the power electricity.

The utility model discloses an in some embodiments, contactless control switch unit circuit includes infrared emission module, conversion module and amplification module, and infrared emission module's output is connected with conversion module's input, and conversion module's output is connected with amplification module's input, and amplification module's output is connected with elevator controller's input.

The utility model discloses an in some embodiments, infrared emission module includes infrared sensor TCRT5000 and electric capacity C2, and infrared sensor TCRT 5000's A number pin, C number pin are connected with the module of enlargiing, and infrared sensor TCRT 5000's B number pin is connected with electric capacity C2's one end, and electric capacity C2's the other end is connected with infrared sensor TCRT 5000's E number pin.

In some embodiments of the utility model, the amplification module includes potentiometre RP1, resistance R2, resistance R3 and dual voltage comparator LM393, a stiff end and resistance R2 of potentiometre RP1, resistance R3's common port is connected, resistance R2's the other end is connected with infrared sensor TCRT 5000's No. A pin, resistance R3's the other end is connected with infrared sensor TCRT 5000's No. B pin, dual voltage comparator LM 393's No. 3 pin is connected with resistance R3, dual voltage comparator LM 393's No. 2 pin and potentiometre RP 1's sliding end are connected, dual voltage comparator LM's No. 4 pin is connected with electric capacity C2, dual voltage comparator LM 393's No. 1 pin is connected with the conversion module, dual voltage comparator LM 393's No. 8 pin and resistance R2, resistance R3's common port is connected.

In some embodiments of the utility model, the conversion module includes resistance R6, resistance R7, diode D4, triode Q1 and optoelectronic coupler U1, optoelectronic coupler U1's A pin is connected with resistance R6's one end, resistance R6's the other end and resistance R2, resistance R3's common port is connected, optoelectronic coupler U1's C pin and dual voltage comparator LM 393's 1 pin are connected, optoelectronic coupler U1's B pin is connected with diode D4's negative pole, diode D4's positive pole and triode Q1's collecting electrode are connected, triode Q1's emitter ground, triode Q1's base and optoelectronic coupler U1's E pin are connected.

In some embodiments of the utility model, still include the power indication module, the power indication module includes electric capacity C1, diode D1 and resistance R1, and electric capacity C1 one end is connected with diode D1's positive pole, and the electric capacity C1 other end is connected with resistance R1's one end, and resistance R1's the other end is connected with diode D1's negative pole.

In some embodiments of the utility model, still include the switch indication module, resistance R4 one end is connected with No. 8 pins of dual voltage comparator LM393, and the other end of resistance R4 is connected with No. 1 pin of dual voltage comparator LM393, and diode D2 establishes ties with resistance R5, and resistance R5, diode D2 are parallelly connected with resistance D4.

In some embodiments of the present invention, the device further comprises a bistable circuit module, and the model of the bistable circuit module is RS-12V-D.

In some embodiments of the invention the elevator controller employs an expandable elevator controller HX-M116.

Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:

a non-contact induction elevator switch panel comprises an elevator calling panel, a floor selection panel and an elevator controller, wherein the elevator calling panel and the floor selection panel are respectively and electrically connected with the elevator controller, and non-contact control switch unit circuits are respectively arranged on the elevator calling panel and the floor selection panel.

The utility model discloses an in some embodiments, along with the popularization of button elevator panel among the prior art, its problem also shows gradually along with the lapse of time, at first just because button elevator panel needs the user to operate the button, thereby make the button will carry out the friction many times every day, lead to taking place the consume in its use, and because the button can contact with different users, cause the propagation of the virus of contact, bacterium easily, especially the epidemic situation that serious infectious disease causes, more do not neglect. Therefore, in order to solve the problems, the non-contact control switch unit circuits are arranged on the elevator calling panel and the floor selection panel, when a passenger goes upstairs or downstairs, the fingers are close to the elevator calling panel, the non-contact control switch unit circuits convert optical signals into electric signals, and the electric signals are transmitted to the elevator controller, so that the elevator receives the signals and then reaches the floors on which the passenger waits. When the passenger gets into the floor that the elevator selection needs reachd, also only need be close to the floor with the finger and select the corresponding department on the panel, contactless control switch unit circuit converts light signal into the signal of telecommunication to conduct to elevator controller, make the elevator receive the signal after, arrive the floor that the passenger needs to go. The design utilizes the circuit of the non-contact control switch unit, avoids the loss of the key type panel, simultaneously avoids the contact between people and improves the safety.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a mechanism block diagram of a non-contact inductive elevator switch panel of the present invention;

fig. 2 is a schematic circuit diagram of a contactless control switch unit circuit according to an embodiment of the present invention;

fig. 3 is a schematic circuit diagram of a contactless control switch unit circuit according to another embodiment of the present invention;

fig. 4 is a schematic structural view of an elevator call panel according to the present invention;

fig. 5 is a schematic structural view of a floor selection panel according to the present invention;

fig. 6 is the circuit distribution diagram of the elevator calling panel and floor selection panel of the utility model.

Icon: 1-a power indication module; 2-an amplifying module; 3-a switch indication module; 4-a conversion module; 5-an infrared emission module; 6-elevator call panel; 61-first contactless control switch unit circuit; 62-a driving direction indicator light; 63-a first floor display screen; 7-floor selection panel; 71-floor indication lamps; 72-a second contactless control switch cell circuit; 73-alarm induction head; 74-second floor display screen; 75-talkback induction head.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when using, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to which the description refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

As shown in fig. 1, a contactless inductive elevator switch panel is provided for this embodiment, which includes an elevator call panel 6, a floor selection panel 7 and an elevator controller, the elevator call panel 6 and the floor selection panel 7 are respectively electrically connected to the elevator controller, and contactless control switch unit circuits are respectively disposed on the elevator call panel 6 and the floor selection panel 7.

The utility model discloses an in some embodiments, along with the popularization of button elevator panel among the prior art, its problem also shows gradually along with the lapse of time, at first just because button elevator panel needs the user to operate the button, thereby make the button will carry out the friction many times every day, lead to taking place the consume in its use, and because the button can contact with different users, cause the propagation of the virus of contact, bacterium easily, especially the epidemic situation that serious infectious disease causes, more do not neglect. Therefore, in order to solve the problems, the non-contact control switch unit circuits are arranged on the elevator calling panel 6 and the floor selecting panel 7, wherein when a passenger goes upstairs or downstairs, fingers are close to an induction head of the upward non-contact switch on the elevator calling panel 6, and when the fingers go downstairs, the non-contact control switch unit circuits convert optical signals into electric signals so as to be transmitted to an elevator controller, so that the elevator can reach a floor where the passenger waits after receiving the signals. When the passenger gets into the floor that the elevator selection needs reachd, also only need be close to the corresponding department on the corresponding floor contactless switch inductive head of floor selection panel 7 with the finger, contactless control switch unit circuit converts light signal into the signal of telecommunication to conduct to the elevator controller, make the elevator receive the signal after, arrive the floor that the passenger needs to go. The design utilizes the circuit of the non-contact control switch unit, avoids the loss of the key type panel, simultaneously avoids the contact between people and improves the safety.

In some embodiments of the present invention, as shown in fig. 4, a first contactless control switch unit circuit 61 is disposed on the elevator call panel 6, and a driving direction indicator lamp 62 is disposed beside the first contactless control switch unit circuit, so that passengers can know the waiting condition of the elevator. In addition, a first floor display screen 63 is arranged on the elevator calling panel 6, and is arranged for displaying the position of the elevator for passengers, so that the passengers can conveniently select whether to take the elevator. As shown in fig. 5, a floor display lamp 71 is arranged on the floor selection panel 7 beside the second contactless control switch unit circuit 72, so that passengers can conveniently select corresponding floors; a second floor display screen 74 is also arranged, so that passengers can clearly know the running condition of the elevator and prepare for getting off the elevator; simultaneously for improving the security, still set up warning inductive head 73 for the emergency takes place for the elevator, makes things convenient for the passenger to call for help, sets up induction head 75 of talkbacking, and its aim at makes things convenient for the passenger to describe emergency to the maintenance personal, thereby makes maintenance personal quick judgement problem.

As shown in fig. 1, in some embodiments of the present invention, the contactless control switch unit circuit includes an infrared transmitting tube, an infrared receiving tube, an amplifier, a power supply, a potentiometer and a relay, the output end of the infrared transmitting tube is connected with the input end of the amplifier, the input end of the infrared transmitting tube is connected with the output end of the amplifier, the output end of the amplifier is connected with the potentiometer, the other end of the potentiometer is connected with the input end of the relay, the output end of the relay is connected with an elevator controller, the output end of the elevator controller is connected with the input end of the relay, the anode of the light emitting diode is connected with the amplifier, the cathode of the light emitting diode is connected with the relay, the amplifier, the relay and the light emitting diode are all electrically connected with the power supply. And a floor display lamp 71 is arranged on the floor selection panel 7 beside the second contactless control switch unit circuit 72, which aims to facilitate the passengers to quickly select the required floor, and a second floor display screen 74 is arranged for prompting the distance between the passengers and the required floor.

The utility model discloses an in some embodiments, contactless control switch unit circuit mainly adopts the mode of infrared induction to conduct, and when its principle was mainly close infrared transmitting tube for the finger, the infrared light took place to reflect on the finger for the infrared ray receiver tube switches on, thereby produces the signal of telecommunication, is enlargied the signal of telecommunication by the amplifier again, and brightens emitting diode electricity, has triggered in order to remind passenger elevator control. The potentiometer is also arranged, and the design aim of the potentiometer is to adjust the sensing distance of the circuit of the contactless control switch unit and improve the adaptability. Meanwhile, the electric signal is transmitted to the elevator controller under the action of the relay, so that the signal transmission is clearer and more accurate, and the accuracy is improved. In addition, the elevator controller is also provided with a feedback mechanism, so that the control panel is reset, the light-emitting diode is turned off, and the applicability is improved.

As shown in fig. 2, in some embodiments of the present invention, the contactless control switch unit circuit includes an infrared emitting module 5, a conversion module 4 and an amplifying module 2, an output end of the infrared emitting module 5 is connected to an input end of the conversion module 4, an output end of the conversion module 4 is connected to an input end of the amplifying module 2, and an output end of the amplifying module 2 is connected to an input end of the elevator controller.

The utility model discloses an in some embodiments, this design adopts the mode of one way from locking-type control for after the light signal of 5 launches of infrared emission module is discerned and is converted by conversion module 4, have amplification module 2 to amplify, the switch of the closed corresponding floor of relay, thereby with this signal input to elevator controller, and corresponding floor pilot lamp lights, when the elevator ran corresponding floor, elevator controller carried out the feedback and resets, the pilot lamp extinguishes.

As shown in fig. 2, in some embodiments of the utility model, infrared emission module includes infrared sensor TCRT5000 and electric capacity C2, and infrared sensor TCRT 5000's a number pin, C number pin are connected with enlarged module 2, and infrared sensor TCRT 5000's B number pin is connected with electric capacity C2's one end, and electric capacity C2's the other end is connected with infrared sensor TCRT 5000's E number pin.

The utility model discloses an in some embodiments, when carrying out the lectotype to infrared sensor, the infrared sensor of selecting need continuous toward the external transmission infrared ray, and the emission frequency stability, also can be easier when making signal reception distinguish like this, so this embodiment adopts the infrared sensor that the model is TCRT 5000. Meanwhile, a capacitor C2 is provided for filtering the infrared sensor, the infrared receiving heads are of various types, the definition of each pin is different, the gain of an internal amplifier of the infrared receiving head is large, and interference is easily caused, so that a filter capacitor is added to a power supply pin of the receiving head, and the size of the filter capacitor is generally above 22UF, thereby improving stability.

As shown in fig. 2, in some embodiments of the present invention, the amplifying module 2 includes a potentiometer RP1, a resistor R2, a resistor R3 and a dual-voltage comparator LM393, a fixed end of the potentiometer RP1 is connected to the resistor R2 and the common end of the resistor R3, the other end of the resistor R2 is connected to the pin a of the infrared sensor TCRT5000, the other end of the resistor R3 is connected to the pin B of the infrared sensor TCRT5000, the pin 3 of the dual-voltage comparator LM393 is connected to the resistor R3, the pin 2 of the dual-voltage comparator LM393 is connected to the sliding end of the potentiometer RP1, the pin 4 of the dual-voltage comparator LM393 is connected to the capacitor C2, the pin 1 of the dual-voltage comparator LM393 is connected to the conversion module 4, the pin 8 of the dual-voltage comparator LM is connected to the common end of the resistor R2 and the resistor R3.

The utility model discloses an in some embodiments, at the in-process of circuit work, the effect of amplifying module 2 lies in enlargiing the signal of telecommunication in the circuit for the signal of telecommunication can not be because of the loss at the in-process of conduction, and the conduction that leads to the signal of telecommunication takes place the mistake or disappears, has improved the accuracy and the stability of circuit conduction.

As shown in fig. 2, in some embodiments of the present invention, the conversion module 4 includes a resistor R6, a resistor R7, a diode D4, a triode Q1 and a photoelectric coupler U1, a pin a of the photoelectric coupler U1 is connected to one end of a resistor R6, the other end of the resistor R6 is connected to a common terminal of the resistor R2 and the resistor R3, a pin C of the photoelectric coupler U1 is connected to a pin 1 of the dual voltage comparator LM393, a pin B of the photoelectric coupler U1 is connected to a negative electrode of the diode D4, a positive electrode of the diode D4 is connected to a collector of the triode Q1, an emitter of the triode Q1 is grounded, and a base of the triode Q1 is connected to a pin E of the photoelectric coupler U1.

In some embodiments of the present invention, the setting of the conversion module 4, after its purpose is to receive the optical signal, converts the optical signal into an electrical signal, and transmits the signal, wherein the model selected by the dual voltage comparator is LM 393. The objective of the choice is that the LM393 model dual voltage comparator is a high gain, wide band device that, like most comparators, will easily oscillate if there is parasitic capacitance coupling from the output to the input. The power supply plus bypass filtering does not solve this problem, and the standard design is helpful in reducing the input-output parasitic capacitive coupling. Reducing the input resistance to less than 10K will reduce the feedback signal and increasing even a small amount of positive feedback (hysteresis 1.0-10MV) can result in fast switching, making it impossible to generate oscillations due to parasitic capacitance. All the useless pins of the comparator are grounded, and the power supply does not need to be provided with a bypass capacitor in general. The protection section must be able to prevent the input voltage from exceeding-0.3V towards the negative terminal. The output of LM393 is an open collector, grounded emitter NPN output transistor that can be provided or function with multiple collector outputs. This increases the lifetime of the conversion module 4 compared to selecting other comparators.

As shown in fig. 2, in some embodiments of the present invention, the power indication module 1 is further included, the power indication module 1 includes a capacitor C1, a diode D1 and a resistor R1, one end of the capacitor C1 is connected to the anode of the diode D1, the other end of the capacitor C1 is connected to one end of the resistor R1, and the other end of the resistor R1 is connected to the cathode of the diode D1.

The utility model discloses a some embodiments, set up the effect of indicating module and lie in making things convenient for the passenger when triggering the elevator, utilize the luminous of diode D1 to remind the passenger to have triggered, improved convenience and practicality.

As shown in fig. 3, in some embodiments of the present invention, further including switch indication module 3, resistor R4 is connected to pin 8 of dual voltage comparator LM393, the other end of resistor R4 is connected to pin 1 of dual voltage comparator LM393, diode D2 is connected to resistor R5 in series, and resistor R5 and diode D2 are connected to resistor D4 in parallel.

The utility model discloses an in some embodiments, set up the module that the switch was instructed, its aim at provides the reference for maintenance or maintainer can audio-visual observation on-off state, judge to a certain extent to the elevator from this, have improved maintenance and maintenance efficiency.

As shown in FIG. 3, in some embodiments of the present invention, the device further comprises a bistable circuit module, and the model of the bistable circuit module is RS-12V-D.

The utility model discloses an in some embodiments, bistable circuit module's setting, its aim at unlocks as the trigger to make the circuit reset, make the pilot lamp of corresponding floor extinguish from this. And because the technology of the bistable circuit module is mature, the model of the bistable circuit module is RS-12V-D, so that the cost is reduced.

The utility model discloses an in some embodiments, because the floor of building is many different, so when choosing the controller, select the control that can carry out the floor extension to the different floors of adaptation have improved the suitability, and have considered compatible factor, and this embodiment elevator controller adopts the model of expandable elevator controller to be HX-M116.

In some embodiments of the utility model, for more convenient controlling the elevator, this design has carried out new arranging to the distribution of circuit, as shown in fig. 6, wherein in elevator calling panel 6, set up contactless upward switch control circuit and contactless down switch control circuit, this design adopts to lead to and sends out SJD2-8 controller with contactless upward switch control circuit and contactless down switch control circuit integration to control the elevator control panel through bistable circuit. In addition, a plurality of non-contact floor switch control circuits, alarm switch control circuits and non-contact talkback switch control circuits corresponding to floors are arranged in the floor selection panel 7, and signals are output to the elevator control panel under the action of the bistable circuit group, so that the applicability and convenience are improved.

To sum up, the embodiment of the utility model provides a contactless response elevator switch panel, it includes elevator calling panel 6, floor selection panel 7 and elevator controller, and elevator calling panel 6, floor selection panel 7 are connected with the elevator controller electricity respectively, all are equipped with contactless control switch unit circuit on elevator calling panel 6 and the floor selection panel 7.

The utility model discloses an in some embodiments, along with the popularization of button elevator panel among the prior art, its problem also shows gradually along with the lapse of time, at first just because button elevator panel needs the user to operate the button, thereby make the button will carry out the friction many times every day, lead to taking place the consume in its use, and because the button can contact with different users, cause the propagation of the virus of contact, bacterium easily, especially the epidemic situation that serious infectious disease causes, more do not neglect. Therefore, in order to solve the problems, the non-contact control switch unit circuits are arranged on the elevator calling panel 6 and the floor selecting panel 7, wherein when a passenger goes upstairs or downstairs, the fingers are close to the elevator calling panel 6, and the non-contact control switch unit circuits convert optical signals into electric signals so as to be transmitted to an elevator controller, so that the elevator receives the signals and then reaches a floor where the passenger waits. When the passenger gets into the floor that the elevator selection needs to arrive, also only need be close to the corresponding department on the floor selection panel 7 with the finger, contactless control switch unit circuit converts light signal into the signal of telecommunication to conduct to elevator controller, make the elevator receive the signal after, reach the floor that the passenger needs to go. The design utilizes the circuit of the non-contact control switch unit, avoids the loss of the key type panel, simultaneously avoids the contact between people and improves the safety.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A non-contact induction elevator switch panel is characterized by comprising an elevator calling panel, a floor selection panel and an elevator controller, wherein the elevator calling panel and the floor selection panel are respectively and electrically connected with the elevator controller, and non-contact control switch unit circuits are respectively arranged on the elevator calling panel and the floor selection panel; the non-contact control switch unit circuit comprises an infrared transmitting tube, a light emitting diode, an infrared receiving tube, an amplifier, a power supply, a potentiometer and a relay, wherein the output end of the infrared transmitting tube is connected with the input end of the amplifier, the input end of the infrared transmitting tube is connected with the output end of the amplifier, the output end of the amplifier is connected with the potentiometer, the other end of the potentiometer is connected with the input end of the relay, the output end of the relay is connected with an elevator controller, the output end of the elevator controller is connected with the input end of the relay, the anode of the light emitting diode is connected with the amplifier, the cathode of the light emitting diode is connected with the relay, and the amplifier, the relay and the light emitting diode are all electrically connected with the power supply.

2. The contactless induction elevator switch panel of claim 1, wherein the contactless control switch cell circuit comprises an infrared emission module, a conversion module, and an amplification module, an output of the infrared emission module is connected to an input of the conversion module, an output of the conversion module is connected to an input of the amplification module, and an output of the amplification module is connected to an input of the elevator controller.

3. The switch panel of claim 2, wherein the infrared emission module comprises an infrared sensor TCRT5000 and a capacitor C2, the pin a and the pin C of the infrared sensor TCRT5000 are connected to the amplification module, the pin B of the infrared sensor TCRT5000 is connected to one end of the capacitor C2, and the other end of the capacitor C2 is connected to the pin E of the infrared sensor TCRT 5000.

4. The contactless induction elevator switch panel according to claim 3, wherein the amplification module comprises a potentiometer RP1, a resistor R2, a resistor R3 and a dual voltage comparator LM393, one fixed end of the potentiometer RP1 is connected to the common end of the resistor R2 and the resistor R3, the other end of the resistor R2 is connected to the pin a of the infrared sensor TCRT5000, the other end of the resistor R3 is connected to the pin B of the infrared sensor TCRT5000, the pin 3 of the dual voltage comparator LM393 is connected to the resistor R3, the pin 2 of the dual voltage comparator LM393 is connected to the sliding end of the potentiometer RP1, the pin 4 of the dual voltage comparator LM393 is connected to the capacitor C2, the pin 1 of the dual voltage comparator LM393 is connected to the conversion module, and the pin 8 of the dual voltage comparator LM393 is connected to the resistor R2, the pin B2, and the pin C2, The common terminal of resistor R3 is connected.

5. The switch panel of claim 4, wherein the switching module comprises a resistor R6, a resistor R7, a diode D4, a transistor Q1 and a photo-coupler U1, a pin A of the photo-coupler U1 is connected to one end of the resistor R6, the other end of the resistor R6 is connected to a common end of the resistor R2 and the resistor R3, a pin C of the photo-coupler U1 is connected to a pin 1 of the dual voltage comparator LM393, a pin B of the photo-coupler U1 is connected to a negative electrode of the diode D4, an anode of the diode D4 is connected to a collector of the transistor Q1, an emitter of the transistor Q1 is grounded, and a base of the transistor Q1 is connected to a pin E of the photo-coupler U1.

6. The contactless induction elevator switch panel of claim 5, further comprising a power indication module, wherein the power indication module comprises a capacitor C1, a diode D1 and a resistor R1, one end of the capacitor C1 is connected to the anode of the diode D1, the other end of the capacitor C1 is connected to one end of the resistor R1, and the other end of the resistor R1 is connected to the cathode of the diode D1.

7. The contactless induction elevator switch panel according to claim 6, further comprising a switch indication module, the switch indication module comprising a resistor R4, a resistor R5 and a diode D2, wherein one end of the resistor R4 is connected to pin No. 8 of the dual voltage comparator LM393, the other end of the resistor R4 is connected to pin No. 1 of the dual voltage comparator LM393, the diode D2 is connected in series with the resistor R5, and the resistor R5, the diode D2 are connected in parallel with the resistor R4.

8. The touch-free induction elevator switch panel of claim 7, further comprising a bi-stable circuit module, the bi-stable circuit module being RS-12V-D in model.

9. The touch-free induction elevator switch panel of claim 1, wherein the elevator controller employs an expandable elevator controller HX-M116.