CN218416490U - Elevator cloud management machine of talkbacking - Google Patents
Elevator cloud management machine of talkbacking Download PDFInfo
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- CN218416490U CN218416490U CN202222401547.5U CN202222401547U CN218416490U CN 218416490 U CN218416490 U CN 218416490U CN 202222401547 U CN202222401547 U CN 202222401547U CN 218416490 U CN218416490 U CN 218416490U
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Abstract
The utility model aims at providing an elevator cloud supervisor of talkbacking that can long-range conversation and can switch the talkback between the elevator of management center host computer and its management. The utility model discloses a MCU module, intercommunication module and power module, power module are each module power supply, intercommunication module and MCU module electric signal connection, intercommunication module still with elevator intercommunication electromechanical signal connection, elevator cloud management machine of talkbacking still includes communication processing chip and display, MCU module, display and intercommunication module all with communication processing chip communication connection, communication processing chip is through connecting net gape and outside ethernet communication, through the intercommunication module carries out audio signal's processing and the switching of passageway of talkbacking, realizes the many ways and connects talkbacking. The utility model discloses be applied to the technical field of elevator equipment of talkbacking.
Description
Technical Field
The utility model discloses be applied to the technical field of elevator equipment of talkbacking, in particular to elevator cloud supervisor of talkbacking.
Background
The elevator intercom system generally comprises intercom communication among five parties, namely a management center host machine, an elevator car, an elevator machine room, an elevator top and an elevator bottom, wherein the management center host machine is generally similar to a telephone base and can realize intercom with an elevator managed by the management center host machine in a dialogue mode such as a telephone handle or a hands-free mode. With the rapid development of the internet information technology and the arrival of the cloud and big data technology, more functions which cannot be realized in the past can be realized by using the cloud service. If utilize high in the clouds butt joint can be convenient for the firm to carry out equipment remote upgrade, whether the supervisor of monitoring each on duty indoor is working, whether have the trouble, carry out cooperative work, interim switching etc..
Although the management center host can communicate with the outside by setting the network module, in the conventional communication structure, only a single channel session between the external network and the management center host can be realized, and a multi-party session with the external network cannot be performed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art not enough, provide one kind can long-range conversation and can switch the elevator cloud supervisor of talkbacking between the elevator of management center host computer and its management.
The utility model adopts the technical proposal that: the utility model discloses a MCU module, intercommunication module and power module, power module is each module power supply, the intercommunication module with MCU module electricity signal connection, the intercommunication module still with elevator intercommunication electromechanical signal connection, elevator cloud intercommunication supervisor still includes communication processing chip and display, the MCU module the display and the intercommunication module all with communication processing chip communication is connected, communication processing chip is through connecting net gape and outside ethernet communication, the intercommunication module includes first connecting terminal, audio input circuit and audio output circuit, first connecting terminal and elevator intercommunication electromechanical signal connection, audio input circuit is connected to through being connected first relay and first transformer the receiving terminal of first connecting terminal, audio output circuit is connected to through being connected second relay and second transformer the output of first connecting terminal, audio input circuit is including being connected to respectively the supervisor audio output module and the network audio output module of first two sets of relay input terminals, audio output circuit is including being connected to respectively the supervisor audio output module and the network audio acquisition module of second two sets of relay output terminals.
According to the scheme, the talkback module performs circuit switching through the first relay and the second relay to realize switching of the voice handle, the hands-free function and the audio signal of external network communication of the supervisor to the elevator talkback, and meanwhile, the talkback module is connected with the communication processing chip to realize communication of the voice handle, the hands-free function and the external network of the supervisor and realize switching among multiparty talkbacks. The display is connected with the communication processing chip to exchange data, so that the real-time video of the network talkback is displayed on the management machine, the communication and the guidance between the duty room and the remote talkback end are facilitated, and the guidance effect is improved. The first transformer and the second transformer are used for respectively transforming input signals, so that the signals input into the elevator interphone are ensured to be in proper voltage values, the isolation of the elevator interphone and external signals is realized, and the elevator interphone is prevented from being damaged.
Preferably, the communication processing chip is a core development board with a model number of R818, and the core development board is electrically connected to the network audio acquisition module and the network audio output module through a conversion circuit.
According to the scheme, the core development board is an Allwinner full-anzhi model R818 PFC core development board, the R818 board integrates multimedia decoding, liquid crystal driving, wiFi, bluetooth, recording and shooting, the decoding of most of current popular videos and picture formats is supported, MIPI and LVDS screen display are supported, and the video call is realized by matching with the display. Meanwhile, audio signal processing is carried out through the conversion circuit, and the audio signal is switched to the audio acquisition module and the network audio output module, so that the acquisition and the output of talkback audio signals are realized.
One preferred scheme is that the supervisor audio output module comprises an operational amplifier and a first audio power amplification chip, two sets of input ends of the operational amplifier are connected with a microphone terminal of a microphone, the input end of the first audio power amplification chip is connected with a hands-free output terminal and the output end of the operational amplifier through a first change-over switch, the control end of the first audio power amplification chip is in electrical signal connection with the MCU module, two sets of output ends of the first audio power amplification chip are correspondingly connected to a pair of input ends of the first relay, the network audio output module comprises a second change-over switch, the input end of the second change-over switch is connected with the communication processing chip, and two pairs of output ends of the second change-over switch are respectively connected to the other pair of input ends of the first relay and the microphone terminal.
According to the scheme, the operational amplifier and the first audio power amplification chip are used for amplifying and filtering the input signal of the microphone terminal, and the first switch is arranged for switching the microphone input and the hands-free input. The first relay switches the signal acquisition end to receive the audio signals of the supervisor and the network audio. In addition, the second change-over switch is arranged to switch the telephone handle power amplifier terminal to the network audio output module, so that network audio is output at the telephone handle, and the management machine can listen to communication talkback.
One preferred scheme is that the supervisor audio acquisition module comprises a second audio power amplification chip, the input end of the second audio power amplification chip is connected with a group of output ends of the second relay, two groups of output ends of the second audio power amplification chip are connected to a handle power amplification terminal and a hands-free power amplification terminal through a third change-over switch, the control end of the second audio power amplification chip is in electrical signal connection with the MCU module, the network audio acquisition module comprises a fourth change-over switch, two pairs of input ends of the fourth change-over switch are respectively connected with a handle microphone terminal and another pair of output ends of the second relay, and the output end of the fourth change-over switch is connected with the communication processing chip.
According to the scheme, the second audio power amplification chip is used for amplifying the signal output by the elevator interphone and outputting the signal to the base phone, and the third change-over switch is arranged for switching the voice handle acquisition and the hands-free acquisition. And the second relay switches the output end of the signal to output the signal of the elevator interphone to a network interphone or a supervisor. In addition, the fourth change-over switch is arranged to switch the microphone terminal of the speech handle to the network audio output module, so that the speech handle audio is output to the network talkback.
One preferred scheme is that the power module includes that the model is the direct current step-down chip of XL1509, the first pin and the power interface of direct current step-down chip are connected, the second pin and the power supply port of each module of direct current step-down chip are connected.
According to the scheme, the direct current voltage reduction chip and the peripheral circuit are used for carrying out multi-stage voltage stabilization filtering, and the required direct current is provided for the whole system.
Preferably, the MCU module includes a processing chip of model AT32F413CBT 7.
According to the scheme, the processing chip is used for controlling all instructions, coordinating the working state of each circuit and performing information interaction with the communication processing chip.
Drawings
FIG. 1 is a block diagram of the system of the present invention;
FIG. 2 is a circuit schematic of the power module;
FIG. 3 is a circuit schematic of the intercom module;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is an enlarged view of portion B of FIG. 3;
FIG. 6 is a circuit schematic of the MCU module;
FIG. 7 is a circuit schematic of the communication processing chip;
FIG. 8 is a first circuit schematic of the display;
FIG. 9 is a second circuit schematic of the display;
fig. 10 is a circuit schematic of the connection portal.
Detailed Description
As shown in fig. 1 to 10, in this embodiment, the utility model discloses a MCU module 1, talkback module 2 and power module 3, power module 3 is each module power supply, talkback module 2 with 1 electric signal connection of MCU module, talkback module 2 still with 4 electric signal connection of elevator intercom, elevator cloud intercom supervisor still includes communication processing chip 5 and display 6, MCU module 1 display 6 and talkback module 2 all with 5 communication connection of communication processing chip, communication processing chip 5 is through connecting net gape 7 and outside ethernet communication.
The intercom module 2 comprises a first connection terminal BUS1, an audio input circuit 21 and an audio output circuit 22, the first connection terminal BUS1 is in electric signal connection with an elevator interphone 4, the audio input circuit 21 is connected to a receiving end of the first connection terminal BUS1 through a first relay J3 and a first transformer T1 which are connected, the audio output circuit 22 is connected to an output end of the first connection terminal BUS1 through a second relay J5 and a second transformer T2 which are connected, the first connection terminal BUS1 comprises a first port BR, a second port B-and a third port BL, the first transformer T1 and an eighth pin of the second transformer T2 are connected with the second port B-through a fifth switch J1C, the other end of the fifth switch J1C is grounded, the fifth pin of the first transformer T1 is connected with the first port through a group of terminals J2B of the sixth switch, the fifth pin of the second transformer T2 is connected with the first port BR through a group of terminals J2C of the sixth switch, the third terminal J2C of the sixth switch J2C is connected with the second port BL, the fifth switch J1C is connected with the second port BL, and the switch J2C and the MCU J2 is connected with the switching relay and the switching relay J1.
The audio input circuit 21 comprises a manager audio output module and a network audio output module which are respectively connected to the two groups of input terminals of the first relay J3, and the audio output circuit 22 comprises a manager audio acquisition module and a network audio acquisition module which are respectively connected to the two groups of output terminals of the second relay J5.
The communication processing chip 5 is a core development board with a model number of R818, two groups of connection terminals HXB SP- \ HXB SP + of the network audio output module are respectively connected to the 111 th pin MICIN _1N and the 112 th pin MICIN _1P of the core development board through digital-to-analog conversion circuits, and two groups of connection terminals HXB _ MIC- \ HXB _ MIC + of the network audio acquisition module are respectively connected to the 106 th pin HPOUTL and the 108 th pin HPOUTR of the core development board through analog-to-digital conversion circuits. The communication processing chip 5 is used for being connected with a cloud server, completing the receiving and sending of network data and the identification and filtering functions of each layer of protocol, is a core module for realizing the filtering and processing uploading or downloading of audio and video data, is in charge of running a network management protocol, and is executed by components of the chip. The communication processing chip 5 is connected with the camera through a network, and can extract the picture of the camera. As shown in fig. 8 and 9, this part of the circuit is used for connecting the display 6 and the touch panel thereof, and a circuit such as a filter is connected to the communication processing chip 5 through this circuit, so that the display 6 operates stably.
The audio output module of the management machine comprises an operational amplifier U3A and a first audio power amplification chip U4, two sets of input ends of the operational amplifier U3A are connected with a microphone terminal of a microphone handle 8, the input end of the first audio power amplification chip U4 is connected with a hand-free 9 output terminal through a first change-over switch J4B/J4C and the output end of the operational amplifier U3A, a first pin of the first audio power amplification chip U4 is connected with a first triode Q2, the control end of the first triode Q2 is connected with an IO port of the MCU module 1, and two sets of output ends of the first audio power amplification chip U4 are correspondingly connected to a pair of input ends of the first relay J3. First adjustable resistors are arranged between the first change-over switch J4B/J4C and the hands-free 9 output terminal as well as between the first change-over switch and the output end of the operational amplifier U3A. The network audio output module comprises a second change-over switch J7B/J7C, the input end of the second change-over switch J7B/J7C is connected with the communication processing chip 5, two pairs of output ends of the second change-over switch J7B/J7C are respectively connected to the other pair of input ends of the first relay J3 and a voice handle 8 power amplifier terminal, and the voice handle 8 power amplifier terminal is connected with the terminal of the second change-over switch J7B/J7C through a second adjustable resistor.
The supervisor audio acquisition module includes second audio power amplifier chip U7, the input of second audio power amplifier chip U7 with a set of output of second relay J5 is connected, two sets of outputs of second audio power amplifier chip U7 are connected to words handle 8 power amplifier terminal and hands-free 9 power amplifier terminal through third change over switch J6B J6C, the control end of second audio power amplifier chip U7 with MCU module 1 electricity signal connection. And a first pin of the second audio power amplification chip U7 is connected with a second triode Q3, and a control end of the second triode Q2 is connected with an IO port of the MCU module 1. The network audio acquisition module comprises a fourth change-over switch J9B/J9C, two pairs of input ends of the fourth change-over switch J9B/J9C are respectively connected with a microphone handle 8 microphone terminal and another pair of output ends of the second relay J5, the output end of the fourth change-over switch J9B/J9C is connected with the communication processing chip 5, and the microphone handle 8 microphone terminal is connected with a terminal of the fourth change-over switch J9B/J9C through a third adjustable resistor.
The MCU module 1 comprises a processing chip U11 with the model of AT32F413CBT7, the control end of the first triode Q2 is connected with the PB6 port of the processing chip U11, and the control end of the second triode Q2 is connected with the PB5 port of the processing chip U11.
The connection port 7 comprises a first interface RJ1 and a second interface RJ2, and the management machine is convenient to carry out communication expansion through two groups of network interfaces.
The utility model discloses a theory of operation:
when local talkback is carried out, the first relay J3 is used for conducting the audio input circuit 21 to the first connecting terminal BUS1, and the second relay J5 is used for conducting the audio output circuit 22 to the first connecting terminal BUS1, so that a communication channel is formed, and talkback is realized. The audio input circuit 21 inputs audio signals to the elevator interphone, and the audio output circuit 22 collects the audio signals and outputs the audio signals to the handle power amplifier. Meanwhile, the first changeover switch J4B/J4C and the third changeover switch J6B/J6C are operated and controlled by physical keys by an operator, thereby switching between the handle call and the handsfree call.
When the network talkbacks with the management machine, the second change-over switch J7B/J7C is used for conducting the handle power amplifier terminal with the communication processing chip 5, and the fourth change-over switch J9B/J9C is used for conducting the handle microphone terminal with the communication processing chip 5. And then the remote talkback between the duty room management machine and an external monitoring center is realized, and the timely communication and the dispatching command of emergency are realized.
When the communication between the network and the elevator interphone is carried out, the second selector switch J7B/J7C enables the first relay J3 to be conducted with the communication processing chip 5, and the first relay J3 is switched to the network audio output module to carry out the input of network audio signals. And the fourth selector switch J9B/J9C enables the second relay J5 to be connected with the communication processing chip 5, and the second relay J5 is switched to the network audio acquisition module.
Therefore, the talkback between the external monitoring center and the duty room manager is realized through the mode, meanwhile, the manager can be switched to the elevator interphone connected with the manager, and the managers among different duty rooms can talk back to assist in communication, so that the maneuverability is improved, and security personnel can manage and handle emergency situations conveniently.
The communication processing chip 5 can also receive the updated data of the external monitoring center through the network interface to realize remote upgrade. Meanwhile, an external monitoring center can judge whether the management machine of the duty room works normally or not through the network connection state.
While the embodiments of the present invention have been described in terms of practical embodiments, they are not intended to limit the scope of the invention, and modifications of the embodiments and combinations with other embodiments will be apparent to those skilled in the art in light of the present description.
Claims (6)
1. The utility model provides an elevator cloud supervisor of talkbacking, it includes MCU module (1), talkbacking module (2) and power module (3), power module (3) are each module power supply, talkbacking module (2) with MCU module (1) signal of telecommunication is connected, module (2) of talkbacking still with elevator intercom (4) signal of telecommunication, its characterized in that: elevator cloud supervisor of talkbacking still includes communication processing chip (5) and display (6), MCU module (1) display (6) and talkback module (2) all with communication processing chip (5) communication is connected, communication processing chip (5) are through connecting net gape (7) and outside ethernet communication, talkback module (2) are including first connecting terminal (BUS 1), audio input circuit (21) and audio output circuit (22), first connecting terminal (BUS 1) and elevator intercom (4) electric signal connection, audio input circuit (21) are connected to through being connected first relay (J3) and first transformer (T1) the receiving terminal of first connecting terminal (BUS 1), audio output circuit (22) are connected to through being connected second relay (J5) and second transformer (T2) the output of first connecting terminal (BUS 1), audio input circuit (21) are including being connected to respectively first relay (J3) and the two sets of audio input terminal of first audio input management module and audio output module (J5) are connected to audio output management module respectively audio output module (J3) and audio output management module.
2. The elevator cloud intercom management machine of claim 1, characterized in that: the communication processing chip (5) is a core development board with the model of R818, and the core development board is in electric signal connection with the network audio acquisition module and the network audio output module through a conversion circuit.
3. The elevator cloud intercom management machine of claim 1, characterized in that: the audio output module of the management machine comprises an operational amplifier (U3A) and a first audio power amplification chip (U4), two groups of input ends of the operational amplifier (U3A) are connected with a microphone terminal of a speech handle, the input end of the first audio power amplification chip (U4) is connected with a hand-free output terminal and the output end of the operational amplifier (U3A) through a first change-over switch (J4B/J4C), the control end of the first audio power amplification chip (U4) is in electric signal connection with the MCU module (1), two groups of output ends of the first audio power amplification chip (U4) are correspondingly connected to a pair of input ends of a first relay (J3), the network audio output module comprises a second change-over switch (J7B/J7C), the input end of the second change-over switch (J7B/J7C) is connected with the communication processing chip (5), and two pairs of output ends of the second change-over switch (J7B/J7C) are respectively connected to the input end of the first relay (J3) and the speech handle.
4. The elevator cloud intercom management machine of claim 1, characterized in that: the supervisor audio acquisition module comprises a second audio power amplification chip (U7), the input end of the second audio power amplification chip (U7) is connected with a group of output ends of a second relay (J5), two groups of output ends of the second audio power amplification chip (U7) are connected to a handle power amplification terminal and a hand-free power amplification terminal through a third change-over switch (J6B/J6C), the control end of the second audio power amplification chip (U7) is connected with the MCU module (1) through an electric signal, the network audio acquisition module comprises a fourth change-over switch (J9B/J9C), two pairs of input ends of the fourth change-over switch (J9B/J9C) are respectively connected with a handle microphone terminal and another pair of output ends of the second relay (J5), and the output end of the fourth change-over switch (J9B/J9C) is connected with the communication processing chip (5).
5. The elevator cloud intercom management machine of claim 1, characterized in that: the power module (3) comprises a direct current voltage reduction chip (U2) with the model of XL1509, a first pin of the direct current voltage reduction chip (U2) is connected with a power interface (CN 1), and a second pin of the direct current voltage reduction chip (U2) is connected with a power supply port of each module.
6. The elevator cloud intercom management machine of claim 1, characterized in that: the MCU module (1) comprises a processing chip (U11) with the model of AT32F413CBT 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222401547.5U CN218416490U (en) | 2022-09-09 | 2022-09-09 | Elevator cloud management machine of talkbacking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222401547.5U CN218416490U (en) | 2022-09-09 | 2022-09-09 | Elevator cloud management machine of talkbacking |
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| Publication Number | Publication Date |
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| CN218416490U true CN218416490U (en) | 2023-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222401547.5U Active CN218416490U (en) | 2022-09-09 | 2022-09-09 | Elevator cloud management machine of talkbacking |
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| Country | Link |
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| CN (1) | CN218416490U (en) |
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- 2022-09-09 CN CN202222401547.5U patent/CN218416490U/en active Active
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