Elevator with multiple calling modes
By introducing intercom, wired telephone and wireless telephone components into the elevator, combined with the central control module and wireless frequency modulation circuit, the problem of passenger calls for help when the elevator communication is interrupted is solved, and reliable communication and intelligence of various calling methods are realized.
Patent Information
- Application Number
- CN202422465105.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-12
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-10-12
AI Technical Summary
The existing elevators can only call for help through walkie-talkie mode when passengers are trapped, resulting in waiting when communication is interrupted, affecting practicality.
An elevator with multiple calling methods is designed, including intercom, wired telephone and wireless telephone components, combined with speakers and microphones, controlled by a central control module, and a wireless frequency modulation circuit composed of TDA7010T and LM386 is used to receive and amplify signals. The voltage-regulating transistor provides stable voltage and the diode provides reverse spike voltage protection to improve signal reliability.
It realizes reliable communication between passengers and staff under various communication methods, and improves the practicality and intelligence level of elevators when communication is interrupted.
Smart Images
Figure CN223133823U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of elevators, and particularly relates to an elevator with multiple calling methods. Background Art
[0002] When passengers are trapped in an elevator, they will call for help through the built-in emergency button in the elevator. Currently, the calling methods are only limited to the intercom mode. This leads to a situation of waiting if this communication method fails to connect, affecting the practicality of the elevator.
[0003] In summary, it is necessary to design an elevator with multiple calling methods. Content of the Utility Model
[0004] In order to overcome the above deficiencies, the utility model provides an elevator with multiple calling methods.
[0005] The utility model achieves the above object through the following technical solutions:
[0006] An elevator with multiple calling methods, including a main control board, on which there are a speaker and a microphone. Inside the main control board, there is a central control module. The central control module is electrically connected to an intercom component, a wired telephone component, and a wireless telephone component. The wireless telephone component includes a wireless FM module, and the wireless FM module includes a wireless FM circuit. The wireless FM circuit includes a radio frequency antenna, an integrated circuit, an operational amplifier, a voltage stabilizing triode, a triode, a diode, a switch, a first inductor, a second inductor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, a ninth capacitor, a tenth capacitor, an eleventh capacitor, a twelfth capacitor, a thirteenth capacitor, a fourteenth capacitor, a fifteenth capacitor, a sixteenth capacitor, a seventeenth capacitor, and an eighteenth capacitor. The model of the integrated circuit is TDA7010T. The ninth terminal of the integrated circuit is electrically connected to the output terminal of the voltage stabilizing triode through the second capacitor. The tenth terminal of the integrated circuit is electrically connected to the output terminal of the voltage stabilizing triode through the third capacitor. The thirteenth terminal of the integrated circuit is electrically connected to the output terminal of the voltage stabilizing triode through the fifth capacitor. The fifteenth terminal of the integrated circuit is electrically connected to the output terminal of the voltage stabilizing triode through the sixth capacitor. The sixteenth terminal of the integrated circuit is electrically connected to the output terminal of the voltage stabilizing triode through the seventh capacitor. The eleventh terminal of the integrated circuit is electrically connected to the radio frequency antenna and the first inductor respectively through a capacitor. One end of the series circuit composed of the radio frequency antenna and the first inductor is grounded. The twelfth terminal of the integrated circuit is grounded through the fourth capacitor. The fourteenth terminal of the integrated circuit is grounded. The eighth terminal of the integrated circuit is electrically connected to the sixth terminal of the integrated circuit through the ninth capacitor. Both ends of the series circuit composed of the tenth capacitor and the eleventh capacitor are respectively electrically connected to the fifth terminal and the third terminal of the integrated circuit. The second inductor is in parallel with the tenth capacitor. The fourth terminal of the integrated circuit is electrically connected to the output terminal of the voltage stabilizing triode. The second terminal of the integrated circuit is grounded through the eighth capacitor. The second capacitor of the integrated circuit is electrically connected to the non-inverting input terminal of the operational amplifier through the twelfth capacitor. The inverting input terminal of the operational amplifier is grounded. The grounded terminal of the operational amplifier is grounded. The power supply terminal of the operational amplifier is electrically connected to the output terminal of the switch. The output terminal of the operational amplifier is electrically connected to the eighteenth capacitor. The control terminal of the input end of the switch is electrically connected to the first terminal of the integrated circuit. The input end of the switch is electrically connected to the output terminal of the voltage stabilizing triode. The input terminal of the voltage stabilizing triode is grounded respectively through the thirteenth capacitor and the fourteenth capacitor. The output terminal of the voltage stabilizing triode is grounded respectively through the fifteenth capacitor, the sixteenth capacitor, and the seventeenth capacitor. The grounded terminal of the voltage stabilizing triode is electrically connected to the base of the triode. The collector of the triode is electrically connected to the input terminal of the voltage stabilizing triode. The emitter of the triode is electrically connected to the output terminal of the voltage stabilizing triode. The anode of the diode is electrically connected to the input terminal of the voltage stabilizing triode. The cathode of the diode is electrically connected to the output terminal of the voltage stabilizing triode.
[0007] Preferably, the central control module is electrically connected to a working power supply module, and the working power supply module is electrically connected to the commercial power through a relay.
[0008] Preferably, the central control module is electrically connected to a wireless communication module, which is in turn electrically connected to a communication antenna. The wireless communication module can be wirelessly connected to an external communication terminal via the communication antenna, enhancing the intelligence of the elevator.
[0009] Preferably, the main control board is also equipped with a touch screen, which is electrically connected to the central control module. The touch screen is used to display relevant operation information of the elevator, and at the same time, users can also control the elevator through the touch screen.
[0010] Preferably, the central control module is a circuit mainly composed of STM32FRBT6. The STM32F4 series includes eight mutually compatible digital signal controller (DSC) product lines, which is a perfect combination of the real-time control function of the MCU and the signal processing function of the digital signal processor (DSP), improving the intelligence of the device.
[0011] Preferably, the operational amplifier is of the LM386 model.
[0012] The beneficial effects of the present utility model are as follows: In this elevator with multiple calling methods, controlled by the central control module, three calling methods are adopted, namely intercom calling, wired telephone calling, and wireless telephone calling, and a loudspeaker and a microphone are used to enable communication between users and staff. Moreover, in the wireless FM circuit, a radio frequency signal receiving circuit mainly composed of TDA7010T is used, and at the same time, a signal amplification circuit mainly composed of LM386 is used to amplify the signal, ensuring reliable signal reception. The power supply circuit composed of a voltage stabilizing triode can provide a stable voltage for the wireless FM circuit. The triode can play a current boosting role, increasing the output current, and the diode plays a role in protecting against reverse peak voltage, improving the stability of the operation of the entire wireless FM circuit. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The present utility model will be described by way of examples with reference to the accompanying drawings, where:
[0014] Figure 1 is the system schematic diagram of the present utility model;
[0015] Figure 2 is the circuit schematic diagram of the wireless FM circuit of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0016] The present utility model will now be described in further detail with reference to the accompanying drawings. These drawings are all simplified schematic diagrams, only showing the basic structure of the present utility model in a schematic manner, and thus only showing the components related to the present utility model.
[0017] As shown in Figure 1 and Figure 2As shown in the figure, an elevator with multiple calling methods includes a main control board, on which there are a speaker and a microphone. Inside the main control board, there is a central control module, which is electrically connected to an intercom component, a wired telephone component, and a wireless telephone component. The speaker can give voice prompts, and the microphone can receive the voice information of users. When the elevator needs to be called, it is controlled by the central control module, and three calling methods are adopted: intercom calling, wired telephone calling, and wireless telephone calling, which cooperate with the speaker and the microphone to enable communication between users and staff.
[0018] The wireless phone component includes a wireless FM module. The wireless FM module includes a wireless FM circuit. The wireless FM circuit includes a radio frequency antenna Y1, an integrated circuit U1, an operational amplifier U2, a voltage stabilizing triode U3, a triode Q1, a diode D1, a switch K1, a first inductor L1, a second inductor L2, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, a ninth capacitor C9, a tenth capacitor C10, an eleventh capacitor C11, a twelfth capacitor C12, a thirteenth capacitor C13, a fourteenth capacitor C14, a fifteenth capacitor C15, a sixteenth capacitor C16, a seventeenth capacitor C17, and an eighteenth capacitor C18. The model of the integrated circuit U1 is TDA7010T. The ninth terminal of the integrated circuit U1 is electrically connected to the output terminal of the voltage stabilizing triode U3 through the second capacitor C2. The tenth terminal of the integrated circuit U1 is electrically connected to the output terminal of the voltage stabilizing triode U3 through the third capacitor C3. The thirteenth terminal of the integrated circuit U1 is electrically connected to the output terminal of the voltage stabilizing triode U3 through the fifth capacitor C5. The fifteenth terminal of the integrated circuit U1 is electrically connected to the output terminal of the voltage stabilizing triode U3 through the sixth capacitor C6. The sixteenth terminal of the integrated circuit U1 is electrically connected to the output terminal of the voltage stabilizing triode U3 through the seventh capacitor C7. The eleventh terminal of the integrated circuit U1 is electrically connected to the radio frequency antenna Y1 and the first inductor L1 through a capacitor respectively. One end of the series circuit composed of the radio frequency antenna Y1 and the first inductor L1 is grounded. The twelfth terminal of the integrated circuit U1 is grounded through the fourth capacitor C4. The fourteenth terminal of the integrated circuit U1 is grounded. The eighth terminal of the integrated circuit U1 is electrically connected to the sixth terminal of the integrated circuit U1 through the ninth capacitor C9. Both ends of the series circuit composed of the tenth capacitor C10 and the eleventh capacitor C11 are electrically connected to the fifth terminal and the third terminal of the integrated circuit U1 respectively. The second inductor L2 is connected in parallel with the tenth capacitor C10. The fourth terminal of the integrated circuit U1 is electrically connected to the output terminal of the voltage stabilizing triode U3. The second terminal of the integrated circuit U1 is grounded through the eighth capacitor C8. The second capacitor C2 of the integrated circuit U1 is electrically connected to the non-inverting input terminal of the operational amplifier U2 through the twelfth capacitor C12. The inverting input terminal of the operational amplifier U2 is grounded. The ground terminal of the operational amplifier U2 is grounded. The power supply terminal of the operational amplifier U2 is electrically connected to the output terminal of the switch K1. The output terminal of the operational amplifier U2 is electrically connected to the eighteenth capacitor C18. The control terminal of the input end of the switch K1 is electrically connected to the first terminal of the integrated circuit U1. The input end of the switch K1 is electrically connected to the output terminal of the voltage stabilizing triode U3. The input terminal of the voltage stabilizing triode U3 is grounded through the thirteenth capacitor C13 and the fourteenth capacitor C14 respectively. The output terminal of the voltage stabilizing triode U3 is grounded through the fifteenth capacitor C15, the sixteenth capacitor C16, and the seventeenth capacitor C17 respectively. The ground terminal of the voltage stabilizing triode U3 is electrically connected to the base of the triode Q1. The collector of the triode Q1 is electrically connected to the input terminal of the voltage stabilizing triode U3. The emitter of the triode Q1 is electrically connected to the output terminal of the voltage stabilizing triode U3.The anode of diode D1 is electrically connected to the input terminal of voltage-regulating triode U3, and the cathode of diode D1 is electrically connected to the output terminal of voltage-regulating triode U3. In this circuit, the radio frequency signal receiving circuit is mainly composed of TDA7010T, and at the same time, the signal amplification circuit mainly composed of LM386 is used to amplify the signal, enabling reliable reception and indication in the case of weak signals. Among them, the power supply circuit composed of voltage-regulating triode U3 can provide a stable voltage for the wireless frequency modulation circuit. Triode Q1 can play a role in current expansion, increasing the output current. Moreover, diode D1 plays a role in protecting against reverse peak voltage, improving the stability of the operation of the entire wireless frequency modulation circuit.
[0019] Specifically, the central control module is electrically connected to a working power supply module, and the working power supply module is electrically connected to the commercial power through a relay.
[0020] Specifically, the central control module is electrically connected to a wireless communication module, and the wireless communication module is electrically connected to a communication antenna. The wireless communication module can be wirelessly connected to an external communication terminal through the communication antenna, improving the intelligence of the elevator.
[0021] Specifically, the main control board is also provided with a touch screen, which is electrically connected to the central control module. The touch screen is used to display the relevant operation information of the elevator, and at the same time, users can also control the elevator through the touch screen.
[0022] Specifically, the central control module is a circuit mainly composed of STM32FRBT6. The STM32F4 series includes eight mutually compatible digital signal controller (DSC) product lines, which is a perfect combination of the real-time control function of the MCU and the signal processing function of the digital signal processor (DSP), improving the intelligence of the device.
[0023] Specifically, the model of operational amplifier U2 is LM386.
[0024] Inspired by the present invention, through the above description, relevant staff can completely make various changes and modifications within the scope of not deviating from the technical idea of this invention. The technical scope of this invention is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.
Claims
1. An elevator with multiple calling methods, including a main control board, on which a speaker and a microphone are provided, characterized in that: Inside the main control board, there is a central control module. The central control module is electrically connected to an intercom component, a wired telephone component, and a wireless telephone component. The wireless telephone component includes a wireless FM module. The wireless FM module includes a wireless FM circuit. The wireless FM circuit includes a radio frequency antenna, an integrated circuit, an operational amplifier, a voltage stabilizing triode, a triode, a diode, a switch, a first inductor, a second inductor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, a ninth capacitor, a tenth capacitor, an eleventh capacitor, a twelfth capacitor, a thirteenth capacitor, a fourteenth capacitor, a fifteenth capacitor, a sixteenth capacitor, a seventeenth capacitor, and an eighteenth capacitor. The model of the integrated circuit is TDA7010T. The ninth terminal of the integrated circuit is electrically connected to the output terminal of the voltage stabilizing triode through the second capacitor. The tenth terminal of the integrated circuit is electrically connected to the output terminal of the voltage stabilizing triode through the third capacitor. The thirteenth terminal of the integrated circuit is electrically connected to the output terminal of the voltage stabilizing triode through the fifth capacitor. The fifteenth terminal of the integrated circuit is electrically connected to the output terminal of the voltage stabilizing triode through the sixth capacitor. The sixteenth terminal of the integrated circuit is electrically connected to the output terminal of the voltage stabilizing triode through the seventh capacitor. The eleventh terminal of the integrated circuit is electrically connected to the radio frequency antenna and the first inductor through a capacitor respectively. One end of the series circuit composed of the radio frequency antenna and the first inductor is grounded. The twelfth terminal of the integrated circuit is grounded through the fourth capacitor. The fourteenth terminal of the integrated circuit is grounded. The eighth terminal of the integrated circuit is electrically connected to the sixth terminal of the integrated circuit through the ninth capacitor. Both ends of the series circuit composed of the tenth capacitor and the eleventh capacitor are respectively electrically connected to the fifth terminal and the third terminal of the integrated circuit. The second inductor is connected in parallel with the tenth capacitor. The fourth terminal of the integrated circuit is electrically connected to the output terminal of the voltage stabilizing triode. The second terminal of the integrated circuit is grounded through the eighth capacitor. The second capacitor of the integrated circuit is electrically connected to the non-inverting input terminal of the operational amplifier through the twelfth capacitor. The inverting input terminal of the operational amplifier is grounded. The grounded terminal of the operational amplifier is grounded. The power supply terminal of the operational amplifier is electrically connected to the output terminal of the switch. The output terminal of the operational amplifier is electrically connected to the eighteenth capacitor. The control terminal of the input end of the switch is electrically connected to the first terminal of the integrated circuit. The input end of the switch is electrically connected to the output terminal of the voltage stabilizing triode. The input terminal of the voltage stabilizing triode is grounded through the thirteenth capacitor and the fourteenth capacitor respectively. The output terminal of the voltage stabilizing triode is grounded through the fifteenth capacitor, the sixteenth capacitor, and the seventeenth capacitor respectively. The grounded terminal of the voltage stabilizing triode is electrically connected to the base of the triode. The collector of the triode is electrically connected to the input terminal of the voltage stabilizing triode. The emitter of the triode is electrically connected to the output terminal of the voltage stabilizing triode. The anode of the diode is electrically connected to the input terminal of the voltage stabilizing triode. The cathode of the diode is electrically connected to the output terminal of the voltage stabilizing triode.
2. The elevator with multiple calling methods according to claim 1, characterized in that: The central control module is electrically connected to a working power supply module. The working power supply module is electrically connected to the commercial power through a relay.
3. The elevator with multiple calling modes according to claim 1, wherein: The central control module is electrically connected to a wireless communication module. The wireless communication module is electrically connected to a communication antenna.
4. The elevator with multiple calling modes according to claim 1, characterized in that: The main control board is also provided with a touch screen. The touch screen is electrically connected to the central control module.
5. The elevator with multiple call methods according to claim 1, characterized in that: The central control module is a circuit mainly composed of STM32FRBT6.
6. The elevator with multiple calling modes according to claim 1, wherein: The operational amplifier is of the model LM386.