CN210236792U - Elevator advertisement putting terminal with emergency lighting function - Google Patents

Abstract

The utility model discloses an elevator advertisement puts in terminal with emergency lighting function. The emergency lighting assembly comprises a field effect switch tube, an emergency lighting lamp connected with a drain electrode of the field effect switch tube, a voltage adapter with an output end connected with a grid electrode of the field effect switch tube, a follow current isolation module connected with the output end of the voltage adapter and a source electrode of the field effect switch tube, and an energy storage battery module connected with the follow current isolation module. The energy storage battery module can be automatically charged when commercial power is normally supplied by utilizing the energy storage battery module and the cooperation of the field effect switch tube; and under the commercial power outage condition, emergency lighting lamp can follow energy storage battery module and acquire operating voltage and start the illumination to illuminating the car space or seeking help the phone and making the space, the preset video of pacifying of terminal body broadcast, thereby can alleviate stranded personnel effectively and dial the SOS phone because of the nervous mood that brings suddenly cuts off the power supply, make it can calmly.

Description

Elevator advertisement putting terminal with emergency lighting function

Technical Field

The utility model belongs to the technical field of the advertisement puts in technique and specifically relates to an elevator advertisement puts in terminal with emergency lighting function.

Background

The building media is a novel outdoor media using a business elevator and a building elevator as carriers, and the common expression form of the building media is mainly that devices such as a multimedia display screen and the like are installed in an elevator car so as to achieve the release of information contents such as characters, pictures, videos and the like, and the devices can be called as elevator advertisement release terminals. Along with the rapid development of the related technology, the elevator advertisement putting terminal is gradually integrated with the function of the elevator body in the function design, and if the elevator breaks down and other abnormal conditions occur, people trapped in the elevator car can make an alarm and ask for help through the elevator advertisement putting terminal.

However, although the existing elevator advertising terminal can meet the actual demand to some extent, there still exist many problems such as an imperfect practical function design, a complex system structure design, and the like. Therefore, it is necessary to provide an improved scheme for the existing elevator advertisement delivery terminal in order to maximize the overall performance thereof.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art existence, the utility model aims to provide an elevator advertisement puts in terminal with emergency lighting function.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an elevator advertisement input terminal with emergency lighting function, is including installing the terminal body in elevator car, still includes emergency lighting subassembly, emergency lighting subassembly includes a field effect switch pipe, the emergency lighting lamp who links to each other with field effect switch pipe's drain electrode, is used for converting mains voltage into direct current safe voltage and the voltage adapter that the output links to each other with field effect switch pipe's grid, the continuous current isolation module who links to each other with the output of voltage adapter and field effect switch pipe's source electrode simultaneously and load in this internal and energy storage battery module who links to each other with continuous current isolation module of terminal, still be provided with a power supply signal collection end that links to each other with the terminal body between the source electrode of continuous current isolation module and field effect switch pipe.

Preferably, the follow current isolation module is formed by reversely connecting a first schottky diode and a second schottky diode in series, the output end of the voltage adapter is connected with the anode of the first schottky diode, the energy storage battery module is connected with the anode of the second schottky diode, and the power supply signal acquisition end and the source electrode of the field effect switch tube are simultaneously connected between the cathode of the first schottky diode and the cathode of the second schottky diode.

Preferably, the anodes of the first schottky diodes are grounded through a voltage dividing resistor and a first voltage suppression diode respectively, and the drain of the field effect switch tube is grounded through a second voltage suppression diode.

Preferably, the field effect switch tube is an MI3407 enhancement type PMOS tube.

By adopting the scheme, the utility model utilizes the energy storage battery module and is matched with the field effect switch tube, and when the commercial power is normally supplied, the energy storage battery module can be automatically charged; under the condition of mains supply power failure, the emergency illuminating lamp can acquire working voltage from the energy storage battery module to start illumination so as to illuminate a car space or a call-for-help dialing space, and the terminal body plays a preset soothing video, so that the tension of trapped people caused by sudden power failure can be effectively relieved, and the trapped people can dial the call-for-help in a calm manner; based on this, through carrying out system function with emergency lighting subassembly and terminal body and fusing, make the terminal body can possess car emergency lighting function or carry out the practical function of mutual accuse with car emergency lighting lamp to make whole terminal can become the effective helper of property management, emergency management.

Drawings

Fig. 1 is a schematic block diagram of a system control according to an embodiment of the present invention;

fig. 2 is a circuit structure reference diagram of the emergency lighting assembly according to the embodiment of the present invention.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 and fig. 2, the elevator advertisement delivery terminal with emergency lighting function provided in this embodiment includes a terminal body a and an emergency lighting component; the terminal body a is arranged in the elevator car and can obtain working voltage from alternating current commercial power or an elevator emergency power supply, and specific type selection and installation wiring can be carried out by selecting or referring to the existing elevator advertisement putting terminal according to actual conditions, so that information is released and put through the terminal body a, and functions of elevator fault alarming, alarming for help, telephone dialing and the like are realized through function fusion with the elevator; and the emergency lighting assembly includes:

a field effect switching transistor Q1, used as the core switching element of the power switching circuit in the whole emergency lighting assembly;

an emergency lighting lamp b connected to the drain of the field effect switch tube Q1, which can be a lighting lamp such as an LED lamp according to the actual situation and installed in the elevator car or on the terminal body a according to the requirement;

a voltage adapter J1, mainly used for converting the mains voltage such as 220VAC into a dc safe voltage such as 15VDC, the output terminal of which is connected to the gate of the field effect transistor Q1;

the follow current isolation module c is simultaneously connected with the output end of the voltage adapter J1 and the source electrode of the field effect switch tube Q1, and mainly plays a role in maintaining the continuity of output current of a voltage output unit such as the voltage adapter J1 and the like and playing a role in reverse isolation;

an energy storage battery module BAT, which is loaded in the terminal body a and connected with the follow current isolation module c, and can adopt a lithium battery capable of outputting 12VDC voltage according to actual conditions;

and

and the power supply signal acquisition terminal J2 is arranged between the follow current isolation module c and the source electrode of the field effect switch tube Q1 and is connected with the terminal body a, so that the terminal body a can acquire the power supply state or mode of the emergency lighting component.

Therefore, under the condition that the mains supply is normally switched on and supplies power, the voltage output by the voltage adapter J1 supplies power to the energy storage battery module BAT through the follow current isolation module c (namely, the battery is charged), at the moment, the field effect switch tube Q1 is cut off due to the voltage existing on the grid electrode of the field effect switch tube, so that no voltage exists on the drain electrode of the field effect switch tube Q1, and the emergency illuminating lamp b is in a non-bright state due to the fact that the emergency illuminating lamp b cannot acquire working voltage; meanwhile, the terminal body a can execute normal advertisement information release according to the voltage signal acquired from the power supply signal acquisition terminal J2. Under the condition that the mains supply is disconnected, no voltage is output from the voltage adapter J1, the energy storage battery module BAT can discharge to the field effect switch tube Q1 through the follow current isolation module c, and the field effect switch tube Q1 is conducted due to the voltage existing at the source electrode, so that the emergency illuminating lamp b obtains the working voltage and the electric quantity; meanwhile, the terminal body a may execute a play mode of contents such as a soothing video according to the voltage signal acquired from the power supply signal collecting terminal J2 at this time.

Based on the technical scheme, the emergency lighting assembly and the terminal body a are subjected to system function fusion, so that the terminal body a can have a car emergency lighting function or a practical function of mutual control with a car emergency lighting lamp, the energy storage battery module BAT loaded in the terminal body a is utilized and matched with an field effect switch tube Q1, when commercial power is normally supplied, the energy storage battery module BAT is automatically charged, the emergency lighting lamp b is in a closed state, and the terminal body a normally plays preset advertisement information; and under the circumstances such as mains supply trouble takes place at the elevator, emergency lighting lamp b then can follow energy storage battery module BAT and acquire operating voltage and start the illumination to illuminate the car space or call for help and dial the space, simultaneously, terminal body a plays the preset video of pacifying, thereby can alleviate trapped personnel effectively because of the nervous mood that the outage brought suddenly, makes it can calmly dial the call for help.

In order to optimize the system structure of the whole emergency lighting assembly to the maximum extent, the freewheeling isolation module c of the embodiment is formed by connecting a first schottky diode D1 and a second schottky diode D2 in series and in reverse, the output end of the voltage adapter J1 is connected with the anode of the first schottky diode D1, the energy storage battery module BAT is connected with the anode of the second schottky diode D2, and the power supply signal acquisition end J2 and the source of the field effect switch Q1 are connected between the cathode of the first schottky diode D1 and the cathode of the second schottky diode D2 at the same time.

In order to ensure that the emergency lighting lamp b and the energy storage battery module BAT can obtain the adapted power supply voltage so as to meet the condition of battery charging or emergency lighting starting, the anode of the first schottky diode D1 of the embodiment is grounded through a voltage dividing resistor R1 and a first voltage suppression diode TVS1, respectively, and the drain of the field effect switch Q1 is grounded through a second voltage suppression diode TVS 2. Therefore, by using the arranged voltage division components, the emergency illuminating lamp b and the energy storage battery module BAT can both obtain the voltage of 12 VDC.

To ensure fast switching of the operation mode of the whole emergency lighting assembly and improve the stability of the circuit operation, the fet Q1 of the present embodiment is preferably a MI3407 enhancement PMOS transistor.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.

Claims (4)

1. The utility model provides an elevator advertisement input terminal with emergency lighting function, is including installing terminal body (a) in elevator car, its characterized in that: the emergency lighting device comprises a field effect switch tube (Q1), an emergency lighting lamp (b) connected with the drain electrode of the field effect switch tube (Q1), a voltage adapter (J1) used for converting mains voltage into direct current safety voltage and connecting the output end of the voltage adapter with the grid electrode of the field effect switch tube (Q1), a follow current isolation module (c) connected with the output end of the voltage adapter (J1) and the source electrode of the field effect switch tube (Q1) and an energy storage battery module (BAT) loaded in the terminal body (a) and connected with the follow current isolation module (c), and a power supply signal acquisition end (J2) connected with the terminal body (a) is further arranged between the follow current isolation module (c) and the source electrode of the field effect switch tube (Q1).

2. The elevator advertising terminal with emergency lighting function according to claim 1, characterized in that: the follow current isolation module (c) is formed by reversely connecting a first Schottky diode (D1) and a second Schottky diode (D2) in series, the output end of the voltage adapter (J1) is connected with the positive electrode of the first Schottky diode (D1), the energy storage battery module (BAT) is connected with the positive electrode of the second Schottky diode (D2), and the power supply signal acquisition end (J2) and the source electrode of the field effect switch tube (Q1) are connected between the negative electrode of the first Schottky diode (D1) and the negative electrode of the second Schottky diode (D2) at the same time.

3. The elevator advertising terminal with emergency lighting function according to claim 2, characterized in that: the positive pole of the first Schottky diode (D1) is grounded through a voltage dividing resistor (R1) and a first voltage suppression diode (TVS1), and the drain of the field effect switch tube (Q1) is grounded through a second voltage suppression diode (TVS 2).

4. An elevator advertising terminal with emergency lighting function according to any one of claims 1 to 3, characterized in that: the field effect switch tube (Q1) is an MI3407 enhancement type PMOS tube.

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