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CN-121974211-A - Wireless intercom system of elevator Internet of things

CN121974211ACN 121974211 ACN121974211 ACN 121974211ACN-121974211-A

Abstract

The application discloses a wireless intercom system of an elevator Internet of things, which belongs to the technical field of intercom of the elevator Internet of things, can be connected with an elevator running system and also can be connected with an elevator inner display screen, when the elevator fails, the passengers are guided to take an emergency scheme in time through a mode of combining voice with video, the emotion of the passengers is relieved, the wireless intercom system in the elevator is improved, the emergency effect when facing elevator faults is achieved, the elevator emergency system is also suitable for disabled persons such as deaf-mutes, and the range of application passenger groups is improved.

Inventors

  • LIU YING

Assignees

  • 山东联衡网络科技有限公司

Dates

Publication Date
20260505
Application Date
20260131

Claims (10)

  1. 1. The wireless intercom system of the elevator Internet of things is characterized by comprising a chip U1 and a display screen, wherein the display screen is positioned in an elevator, the type of the chip U1 is STM8L152C4T3TR, a1 pin of the chip U1 is connected with one end of a resistor R1 and one end of a capacitor C1, the other end of the resistor R1 is connected with a power supply +5V, the other end of the capacitor C1 is connected with a ground wire, a2 pin of the chip U1 is connected with one end of a1 pin of a crystal oscillator Y1 and one end of a capacitor C2, a3 pin of the chip U1 is connected with one end of a2 pin of the crystal oscillator Y1 and one end of the capacitor C3, the other end of the capacitor C2 is connected with a ground wire, a 7 pin of the chip U1 is connected with a power supply +5V, an 8 pin of the chip U1 is connected with a ground wire, a 19 pin of the chip U1 is connected with a communication signal SV, a20 pin of the chip U1 is connected with a communication signal RT, a 23 pin of the chip U1 is connected with a communication signal TRN, and a 24 pin of the chip U1 is connected with a communication signal SCK.
  2. 2. The wireless intercom system of the elevator Internet of things as set forth in claim 1, further comprising a chip U2, wherein the chip U2 is a dual-audio codec chip, the type of the chip U2 is MT8888, the 3 pin of the chip U2 is connected with one end of a resistor R10, the other end of the resistor R10 is connected with one end of a resistor R9 and the 2 pin of the chip U2, the other end of the resistor R9 is connected with one end of a capacitor C7, the other end of the capacitor C7 is connected with the 7 pin of the chip U3, one end of the capacitor C10, one end of the resistor R7 and one end of the resistor R8, the type of the chip U3 is SGM8922, the other end of the capacitor C10 and the other end of the resistor R7 are connected with one end of the 6 pin of the chip U3, the other end of the resistor R8 is connected with a ground wire, the other end of the resistor R6 is connected with one end of a capacitor C11, and the other end of the capacitor C11 is connected with a ground wire.
  3. 3. The wireless intercom system of the elevator Internet of things according to claim 2, wherein a pin 5 of the chip U3 is connected with one end of a resistor R5 and one end of a capacitor C6, the other end of the resistor R5 is connected with a ground wire, the other end of the capacitor C6 is connected with a middle contact of a sliding rheostat R4, one end of the sliding rheostat R4 is connected with the ground wire, the other end of the sliding rheostat R4 is connected with one end of the resistor R3, the other end of the resistor R3 is connected with one end of an inductor L1, one end of the capacitor C5 and one end of the resistor R2, the other end of the inductor L1 and the other end of the capacitor C5 are connected with a collector electrode of a triode Q1, one end of the capacitor C4 and one end of the capacitor C14, the other end of the resistor R2 is connected with a base electrode of the triode Q1, the other end of the capacitor C4 is connected with one end of the inductor L2, the other end of the inductor L2 is connected with an antenna TX1, the other end of the capacitor C14 is connected with an emitter electrode of the triode Q1 and one end of the inductor L3, the other end of the inductor L3 is connected with one end of the capacitor C26 and one end of the resistor R31, and the other end of the capacitor C26 is connected with the ground wire.
  4. 4. The wireless intercom system of the elevator Internet of things according to claim 2, wherein the 5 pin of the chip U2 is connected with a ground wire, the 6 pin of the chip U1 is connected with one end of a crystal oscillator Y2, the other end of the crystal oscillator Y2 is connected with the 7 pin of the chip U1, the 8 pin of the chip U3 is connected with one end of a capacitor C9, one end of a resistor R11 and one end of a resistor R14, the other end of the capacitor C9 is connected with the other end of the resistor R11, the other end of the resistor R14 is connected with a base electrode of a triode Q3, an emitter electrode of the triode Q3 is connected with the ground wire, a collector electrode of the triode Q3 is connected with one end of a capacitor C12 and an emitter electrode of the triode Q2, the other end of the capacitor C12 is connected with a power supply +5V, the collector electrode of the triode Q2 is connected with one end of a capacitor C13 and one end of an inductor L4, the other end of the capacitor C13 is connected with an antenna TX2, the other end of the inductor L4 is connected with a power supply +5V, the base electrode of the triode Q2 is connected with one end of the crystal oscillator Y3 and the resistor R15, and the other end of the crystal oscillator Y3 is connected with a power supply +5V.
  5. 5. The wireless intercom system of the elevator Internet of things according to claim 2, wherein the 9 pin of the chip U3 is connected with the 9 pin of the chip U1, the 10 pin of the chip U3 is connected with the 10 pin of the chip U1, the 11 pin of the chip U3 is connected with the 11 pin of the chip U1, the 12 pin of the chip U3 is connected with the 12 pin of the chip U1, the 13 pin of the chip U3 is connected with one end of the resistor R13, the other end of the resistor R13 is connected with the power +5V, the 14 pin of the chip U3 is connected with the 14 pin of the chip U1, the 15 pin of the chip U3 is connected with the 15 pin of the chip U1, the 16 pin of the chip U3 is connected with the 16 pin of the chip U1, the 17 pin of the chip U3 is connected with the 17 pin of the chip U1, the 18 pin of the chip U3 is connected with one end of the resistor R12, the other end of the resistor R12 is connected with the 19 pin of the chip U3 and one end of the capacitor C8, and the other end of the capacitor C8 and the 20 pin of the chip U3 are connected with the power +5V.
  6. 6. The wireless intercom system of the elevator Internet of things as set forth in claim 1, further comprising a chip U6, wherein the chip U6 is a voice storage chip, the chip U6 is of a model WT588D, a 2 pin of the chip U6 is connected with one end of a capacitor C20, one end of a capacitor C21 and one end of a resistor R23, the other end of the capacitor C21 and the other end of the resistor R23 are connected with a ground wire with the 8 pin of the chip U6, the other end of the capacitor C20 is connected with one end of a sliding rheostat R22, the other end of the sliding rheostat R22 is connected with the ground wire, a middle contact of the sliding rheostat R22 is connected with one end of a capacitor C19, the other end of the capacitor C19 is connected with one end of the resistor R20 and the 6 pin of the chip U7, the chip U7 is an integrated operational amplifier, the other end of the chip U7 is of SGM8922, the other end of the resistor R20 is connected with one end of the capacitor C18, one end of the resistor R17 and one end of the resistor R21, the other end of the capacitor C18 and the other end of the resistor R21 are connected with the ground wire, and the other end of the resistor R17 is connected with a power supply +12V.
  7. 7. The wireless intercom system of the elevator Internet of things as set forth in claim 6, wherein the 5-leg of the chip U7 is connected with one end of a resistor R18 and one end of a resistor R19, the other end of the resistor R18 is connected with the negative pole of a diode D3 and the 7-leg of the chip U7, the other end of the resistor R19 is connected with one end of a capacitor C17, the other end of the capacitor C17 and the positive pole of the diode D3 are connected with a ground wire, the 7-leg of the chip U7 is also connected with the positive pole of a diode D2, one end of a capacitor C15 and one end of a resistor R16, the negative pole of the diode D2 is connected with a power supply +12V, the other end of the capacitor C15 is connected with the positive pole of a voice horn LSP, the other end of the resistor R16 is connected with one end of a capacitor C16, and the negative pole of the voice horn LSP, the other end of the capacitor C16 and the 4-leg of the chip U7 are connected with the ground wire.
  8. 8. The wireless intercom system of the elevator Internet of things as set forth in claim 6, wherein the 16 pins of the chip U6 and the 14 pin of the chip U6 are connected with a power supply +5V, the 15 pin of the chip U6 is connected with a cathode of the light-emitting diode D1, an anode of the light-emitting diode D1 is connected with one end of the resistor R24, the other end of the resistor R24 is connected with the power supply +5V, the 11 pin of the chip U6 is connected with the 4 pin of the chip U1, the 12 pin of the chip U6 is connected with the 5 pin of the chip U1, and the 13 pin of the chip U6 is connected with the 6 pin of the chip U1.
  9. 9. The wireless intercom system of the elevator Internet of things as set forth in claim 1, further comprising a chip U4, the chip U4 is a high-performance audio analog-to-digital converter, the model of the chip U4 is CS5381, the 20 pin of the chip U4 is connected with one end of a capacitor C24, the other end of the capacitor C24 is connected with one end of a 7 pin and a resistor R29 of the chip U8, the chip U8 is an integrated operational amplifier, the model of the chip U8 is SGM8922, the other end of the resistor R29 is connected with one end of a 6 pin and a resistor R28 of the chip U8, the 5 pin of the chip U8 is connected with a ground wire, the 8 pin of the chip U8 is connected with a power +12V, the other end of the resistor R28 is connected with one end of a capacitor C23, the other end of the capacitor C27 is connected with a middle contact of a slide rheostat R27, one end of the slide rheostat R27 is connected with one end of a 7 pin of the chip U9, one end of a resistor R26 is connected with one end of the capacitor C22, the chip U9 is an integrated operational amplifier, the model of the chip U9 is SGM8922, the other end of the resistor R26 is connected with one end of the other end of the chip U9 and one end of the resistor R25 of the resistor C22, the other end is connected with one end of the chip U9 and the other end of the resistor R25, the other end of the chip U9 is connected with the other end of the ground wire, the other end is connected with a voice input wire, and the other end of the resistor is connected with the microphone 12.
  10. 10. The wireless intercom system of the elevator Internet of things according to claim 9, wherein the 12 pin of the chip U4 is connected with one end of a resistor R30, one end of a capacitor C25 and 9 pin of the chip U5, the other end of the resistor R30 is connected with a power +5V, the other end of the capacitor C25 is connected with a ground wire, the chip U5 is a digital audio processing module, the model CS8406 of the chip U5 is provided, the 17 pin of the chip U4, the 18 pin of the chip U4 and the 4 pin of the chip U5 are connected with a power +5V, the 19 pin of the chip U4 and the 14 pin of the chip U4 are connected with a ground wire, the 13 pin of the chip U4 is connected with 3 pin of the chip U5, the 5 pin of the chip U4 is connected with 28 pin of the chip U5, the 4 pin of the chip U5 is connected with 27 pin of the chip U5, the 3 pin of the chip U4 is connected with 26 pin of the chip U5, the 18 pin of the chip U5 and 19 pin of the chip U5 are connected with a ground wire, the 16 pin of the chip U5 is connected with 21 pin of the chip U1, and the 17 pin of the chip U5 is connected with the chip U1.

Description

Wireless intercom system of elevator Internet of things Technical Field The invention relates to an elevator Internet of things wireless intercom system, and belongs to the technical field of elevator Internet of things intercom. Background The elevator is a vertical elevator taking a motor as power, is provided with a box-shaped nacelle and is used for multi-layer building passengers or carrying goods, the wireless intercom of the elevator is simply called from a property duty room to an elevator machine room, a car roof, a car and a pit (any 1 party in 4 parties), wiring is not needed, wireless signal transmission is completely carried out, and the elevator intercom is mainly divided into two types of wired intercom and wireless intercom of the elevator according to macroscopic classification, so that the cost of the elevator is high, the wage is up-regulated, the labor cost is high, in addition, the wired line is required to be maintained for a long time, a lot of troubles and expenses are generated in the later period, and the wireless intercom of the elevator has become a trend in the industry market by integrating the reasons. In reality, the wireless intercom of elevator sets up more in order to deal with some emergent trouble in the elevator, just the elevator is after breaking down, make things convenient for the passenger in the elevator to communicate with the external world, but do not possess when the elevator breaks down, produce the effect of guiding and stabilizing passenger's emotion to the passenger, the passenger is at some emotional agitation, can produce the overdriving behavior of beating the elevator, at some time when facing some deaf-mute disabled passengers, more can not play the effect, the function of wireless intercom system in the elevator is very reduced, for this reason, some technicians in this field have developed an elevator internet of things wireless intercom system, in order to overcome the problem among the above-mentioned background art. Disclosure of Invention Aiming at the defects, the invention provides the wireless intercom system of the elevator Internet of things, which can report the running condition of the elevator in real time, and can guide passengers how to deal with emergency conditions through a scheme combining video and voice broadcasting when the elevator breaks down, thereby improving the effect of the wireless intercom system in the elevator in the face of the elevator fault and improving the range of application passenger groups. In order to solve the technical problems, the invention adopts the following technical scheme: The elevator internet of things wireless intercom system comprises a chip U1 and a display screen, wherein the display screen is located inside an elevator, the type of the chip U1 is STM8L152C4T3TR, the 1 pin of the chip U1 is connected with one end of a resistor R1 and one end of a capacitor C1, the other end of the resistor R1 is connected with a power supply +5V, the other end of the capacitor C1 is connected with a ground wire, the 2 pin of the chip U1 is connected with one end of a 1 pin of a crystal oscillator Y1 and one end of a capacitor C2, the 3 pin of the chip U1 is connected with one end of a 2 pin and one end of a capacitor C3, the other end of the capacitor C2 is connected with a ground wire, the 7 pin of the chip U1 is connected with a power supply +5V, the 8 pin of the chip U1 is connected with a ground wire, the 19 pin of the chip U1 is connected with a communication signal SV, the 20 pin of the chip U1 is connected with a communication signal RT, the 23 pin of the chip U1 is connected with a communication signal TRN, and the 24 pin of the chip U1 is connected with a communication signal SCK. Further, still include chip U2, chip U2 is dual audio coding and decoding chip, chip U2's model is MT8888, chip U2's 3 foot is connected with resistance R10 one end, the resistance R10 other end is connected with resistance R9 one end and chip U2's 2 foot, the resistance R9 other end is connected with electric capacity C7 one end, electric capacity C7 other end is connected with chip U3's 7 feet, electric capacity C10 one end, electric capacity R7 one end and resistance R8 one end, chip U3 is integrated operational amplifier, chip U3's model is SGM8922, the electric capacity C10 other end is connected with chip U3's 6 foot and resistance R6 one end with the resistance R7 other end, the resistance R8 other end is connected with the ground wire, the resistance R6 other end is connected with electric capacity C11 one end, the electric capacity C11 other end is connected with the ground wire. Further, a pin 5 of the chip U3 is connected with one end of a resistor R5 and one end of a capacitor C6, the other end of the resistor R5 is connected with a ground wire, the other end of the capacitor C6 is connected with a middle contact of a sliding rheostat R4, one end of the sliding rheostat R4 is connected with a ground wire, the ot