CN102149023A - Window interphone with wireless talkback function - Google Patents
Window interphone with wireless talkback function Download PDFInfo
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- CN102149023A CN102149023A CN2011100938282A CN201110093828A CN102149023A CN 102149023 A CN102149023 A CN 102149023A CN 2011100938282 A CN2011100938282 A CN 2011100938282A CN 201110093828 A CN201110093828 A CN 201110093828A CN 102149023 A CN102149023 A CN 102149023A
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- 230000006870 function Effects 0.000 description 32
- 238000010586 diagram Methods 0.000 description 7
- 238000005265 energy consumption Methods 0.000 description 4
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Abstract
The invention discloses a window interphone with the wireless talkback function, which comprises a main host, a power adapter connected with the main host, and a secondary host connected with the main host. A wireless talkback system is arranged in the main host; the wireless talkback system consists of a key display module, an MCU (micro control unit) control module, a function conversion module, a wireless bidirectional transmission module, and a power module; the key display module is connected with the MCU control module; the MCU control module is connected with the function conversion module; the function conversion module is connected with the key display module; the wireless bidirectional transmission module is connected with the key display module and the MCU control module; and the power module is respectively connected with the MCU control module, the function conversion module, and the wireless bidirectional transmission module to supply power. The window interphone with the wireless talkback function not only can realize talkback communications between service personnel inside a counter and customers, but also can realize timely, quick and effective communications with other working personnel far from the counter.
Description
Technical field
The present invention relates to a kind of window intercom, particularly a kind of window intercom with wireless talkback function.
Background technology
Existing window intercom mainly is made up of main frame, secondary mechanical, electrical source; Have the interface that the audio select signal is provided for supervisory video recording system on the main frame, this audio signal of monitoring interface can be exported sales counter internal services personnel and client's intercommunication sound.Its general use in the workplace of sealings such as bank is used for sales counter internal services personnel and exchanges with client's intercommunication.If sales counter internal services personnel need link up with other staff (such as lobby manager, security personnel etc.), can only by directly go to seek, by the window intercom to outcall, by the internal communication system calling or dispose mode such as the hand-held intercom of a cover separately and realize.If just need temporarily stop business handling but directly go to seek, can influence service to the client; If seek to outcall by the window intercom, sound is too noisy, can influence other people office; If seek by the internal communication system calling, when the related personnel is not on the position, can dally over one's work the time; If dispose the hand-held intercom of a cover separately, can increase an equipment and take counter space, and if forget that charging can influence the use of this hand-held intercom.This makes
Can't link up service impacting promptness between sales counter internal services personnel and other staff fast and effectively.
Summary of the invention
The purpose of this invention is to provide a kind of window intercom with wireless talkback function, it can realize that sales counter internal services personnel exchange with client's intercommunication by the wired intercom system, again can by wireless intercom system with carry out in time communication exchange fast and effectively from sales counter other staff far away, raise the management level, service quality and operating efficiency.
A kind of window intercom with wireless talkback function of the present invention comprises main frame, the power supply adaptor with the main frame connection, the secondary machine that links to each other with main frame, it is characterized in that:
One wireless intercom system is located in the main frame, and this wireless intercom system is made up of button display module, MCU control module, function modular converter, wireless two-way transport module and power module; The button display module connects with the MCU control module, input button operation signal; The MCU control module connects with the function modular converter, and wireless signal is selected in output; The function modular converter connects with the button display module, and indication button display module shows corresponding signal; The wireless two-way transport module connects with the button display module, accepts the wireless talkback control that button display module button sends; The wireless two-way transport module connects with the MCU control module, accepts the frequency-selecting wireless intercommunication control that the MCU control module is sent; Power module connects power supply respectively with MCU control module, function modular converter, wireless two-way transport module.
Further, the present invention also comprises main frame loudspeaker, operation push-button plate, main frame microphone, host power switch, host power supply input interface, secondary machine joining interface, tie clip microphone interface, monitoring recording interface, speech input interface, main frame volume adjustment knob, secondary machine volume adjustment knob and the host work power supply indicator that is located on the main frame, main frame microphone and main frame loudspeaker connect with the wireless two-way transport module, carry out wireless talkback, power supply adaptor connects with the host power supply input interface; Described secondary machine is provided with secondary machine microphone and secondary machine loudspeaker, and secondary machine connects with secondary machine joining interface on the main frame by integrated tie.
Further, described MCU control module comprises ATMAGEL88 chip U2 and connects the program download interface ISP that is used for ROMPaq with this chip; 25 pin of the chip U2 of described MCU control module, 24 pin, 23 pin connect respectively with DATA end, STP end, the CLK end of function modular converter respectively, and wireless signal is selected in output; 1 pin of chip U2,2 pin connect respectively with 9 pin, 10 pin of a YESU-WKTK-ED409 chip U4 of wireless two-way transport module, carry out the frequency-selecting of wireless talkback signal.
Further, described button display module is made up of the button part and the display part that are located on the operation push-button plate, and the binding post JP5 of this two-part binding post JP8 and function modular converter pegs graft;
The button part is made up of intercommunication options button and wireless talkback key; The intercommunication options button connects with 13 pin of the chip U2 of MCU control module, input button operation signal; The wireless talkback key connects with 8 pin of the chip U4 of wireless two-way transport module, sends wireless talkback control;
The display part is made up of the hall's light-emitting diode that is connected with function modular converter respective terminal, security personnel's light-emitting diode, mandate light-emitting diode, wire signal light-emitting diode and wireless signal light-emitting diode, the wireless signal light-emitting diode is connected to 7 pin of the chip U4 of wireless two-way transport module, display radio intercommunication operating state by the function modular converter.
Beneficial effect of the present invention: it can realize that sales counter internal services personnel exchange with client's intercommunication by the wired intercom system, again can by wireless intercom system with carry out in time communication exchange fast and effectively from sales counter other staff far away, raise the management level, service quality and operating efficiency; Integrated tie is integrated one single line, and in use, signal line, supply line are not in disorder, and environment for use is also clean and tidy; Can pass through the configure dedicated power supply, break away from the secondary machine of intercommunication, use with special-purpose assorted wireless intercom system separately or with the supporting use of other wireless intercom system; By proprietary interface, can also connect with the secondary machine of the window intercom of other brands, realize the compatibility butt joint of wired intercom function.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the interface position schematic diagram at the main frame of the present invention back side;
Fig. 3 is the schematic diagram of operation push-button plate;
Fig. 4 is the circuit diagram of MCU control module;
Fig. 5 is the circuit diagram of wireless two-way transport module;
Fig. 6 is the circuit diagram of button display module;
Fig. 7 is the circuit diagram of function modular converter;
Fig. 8 is the circuit diagram of power module;
Fig. 9 is a program control flow chart of the present invention.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
A kind of window intercom as depicted in figs. 1 and 2 with wireless talkback function, comprise main frame 1, the power supply adaptor 7 that connects with main frame 1, the secondary machine 6 that links to each other with main frame 1, be located at the wireless intercom system 2 in the main frame 1, be located at the main frame loudspeaker 8 on the main frame 1, operation push-button plate 9, main frame microphone 10, host power switch 11, host power supply input interface 12, secondary machine joining interface 13, tie clip microphone interface 14, monitoring recording interface 15, speech input interface 16, main frame volume adjustment knob 17, secondary machine volume adjustment knob 18 and host work power supply indicator 19, power supply adaptor 7 connects with host power supply input interface 12; Secondary machine 6 is provided with secondary machine microphone 3 and secondary machine loudspeaker 4, and secondary machine 6 connects with secondary machine joining interface 13 on the main frame by integrated tie 5.
As Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, shown in Figure 8, wireless intercom system 2 is made up of button display module 21, MCU control module 22, function modular converter 23, wireless two-way transport module 25 and power module 26; Button display module 21 connects with MCU control module 22, input button operation signal; MCU control module 22 connects with function modular converter 23, and wireless signal is selected in output; Function modular converter 23 connects with button display module 21, and indication button display module shows corresponding signal; Wireless two-way transport module 25 connects with button display module 21, accepts the wireless talkback control that button display module button sends; Wireless two-way transport module 25 connects with MCU control module 22, accepts the frequency-selecting wireless intercommunication control that the MCU control module is sent; Wireless two-way transport module 25 connects with main frame microphone 10 and main frame loudspeaker 8, carries out wireless talkback; Power module 26 connects power supply respectively with MCU control module 22, function modular converter 23, wireless two-way transport module 25.
As shown in Figure 9, after giving main frame 1 power-on, the program among the chip U2 of MCU control module 22 promptly starts operation, at first carries out the initialization operation of port and internal memory; According to the program default setting, enter wired function operation state then, start-up control wired intercom function, and carry out the demonstration of wired operating state, the wire signal light-emitting diode 32 on the operation push-button plate 9 of main frame 1 is bright.After chip U2 is operated in default conditions, begin to scan intercommunication options button 31, if not having button presses, chip U2 is with scan round always, when if intercommunication options button 31 is pressed, just according to the number of times of pressing, cycle calculations is wired intercom or wireless talkback, if selected the wired intercom function, just start the wired intercom function; If selected the wireless talkback function, then carry out the second time and analyze, analyze that to select be to select in lobby manager, security personnel, the authorized administrator which to carry out wireless talkback; After analyzing end, promptly start corresponding wireless speech intercommunication transfer function, and the wireless signal light-emitting diode 37 on the operation push-button plate 9 of main frame 1 is pointed out.Then, chip U2 enters next button scan round work again.
Using method of the present invention is: secondary machine 6 is connected with the secondary machine joining interface 13 of main frame 1 by integrated tie 5, power supply adaptor 7 is connected on the host power supply input interface 12, then, opens host power switch 11, host work power supply indicator 19 is bright, gets final product work; Administrative staff such as lobby manager, security personnel, authorized administrator can dispose on the market finished product wireless handset or the hand-held talkback unit of customization private radio carries out wireless talkback.
The present invention can select the wire/wireless intercommunication function by the intercommunication options button 31 on the operation push-button plate 9 on the main frame 1.The design of window intercom has three main wireless talkback objects, lobby manager, security personnel, authorized administrator.When pressing intercommunication options button 31, hall's light-emitting diode 35, security personnel's light-emitting diode 34, mandate light-emitting diode 33, wire signal light-emitting diode 32 can show in circulation.As select the wireless calling lobby manager, can be by hall's light-emitting diode 35 Chang Liang of intercommunication selection key 31 transference hall wireless talkback, then, pressing wireless talkback key 36 calls out, sales counter internal services personnel speak facing to the main frame microphone 10 of main frame 1, and the lobby manager can hear teller's language calling.In like manner, selecting security personnel, authorized administrator also is such operation; After the voice of lobby manager's wireless talkback are changed by the wireless intercom system of talk-back host 1, spread out of from the main frame loudspeaker of talk-back host 1.When carrying out wireless talkback, sales counter internal services personnel's sound can not spread out of from the secondary machine loudspeaker 4 of secondary machine 6, like this, when saying some relatively more responsive topics, can avoid client to hear.After wireless talkback finishes, select wire signal light-emitting diode 32 by pressing intercommunication options button 31, promptly return to the wired intercom function of window intercom.
The present invention has other functions of conventional window wire intercommunication.The tie clip microphone interface 14 of the main frame 1 of intercommunication can external finished product tie clip microphone, and when using the tie clip microphone, the main frame microphone 10 of main frame 1 will temporarily can not use.The monitoring recording interface 15 of the main frame 1 of intercommunication can be by access standard 3.5mm dual track plug, and the other end of plug is a tie, and this tie can access to the audio input end of the monitoring video main frame of banking system.So just can real time record sales counter internal services personnel and client, with other administrative staff's radio voice; When dispute takes place, can understand situation at that time by the recorded message of playback of monitoring videos main frame.The speech input interface 16 of the main frame 1 of intercommunication, can connect the dedicated voice service unit, as the received pronunciation of " welcome ", " thank you for coming " is provided, these voice are from secondary machine loudspeaker 4 outputs of secondary machine 6, the playing standard voice are listened to the client, promote service level.The main frame 1 of intercom and the volume of secondary machine 6 can be regulated separately.The sound size that the main frame loudspeaker 8 that main frame volume adjustment knob 17 is regulated main frame 1 send; The sound size that the secondary machine loudspeaker 4 that secondary machine volume adjustment knob 18 is regulated secondary machine 6 send.
Core cell of the present invention is a MCU control module 22, and its chip adopts AVR series monolithic ATMAGEL88.The AVR single-chip microcomputer is RISC (Reduced Instruction Set CPU) reduced instruction set computer 8 single-chip microcomputers at a high speed of the built-in Flash of enhancement mode that developed by atmel corp in 1997.The single-chip microcomputer of AVR can be widely used in every field such as computer peripheral, industrial time controlling, instrument and meter, communication apparatus, household electrical appliance.
The implementation of wireless two-way transport module 25 of the present invention has multiple, can adopt the blue teeth wireless voice transfer, but this scheme built-in aerial, low in energy consumption, cost is low, and distance is closer, but wireless talkback in 20-30 rice greatly is fit near work; 2.4G the wireless speech transmission, this scheme long transmission distance, low in energy consumption, cost is higher, but built-in aerial, but the signal diffracting power is poor, and concrete about about 100 meters of communication is fit near work; 70MHZ frequency modulation working method, this scheme cost is low, low in energy consumption, long transmission distance, but designing antenna is long, is not easy to install, and uses; 400MHZ frequency modulation voice transfer, this is low in energy consumption, long transmission distance, antenna is short, belongs to public's name channel.Channel spacing is pressed the 12.5KHZ frequency division, can be provided with greater than 20 groups of channels, satisfies the channel division in the real work.This window intercom is selected this frequency range.On this frequency selection scheme, the model that adopts the existing Guangzhou Bill of producer to think Electronics Factory's production is that the chip U4 of YESU-WKTK-ED409 carries out the design of this wireless two-way transport module, also can use professional chip, designed lines voluntarily.
Claims (4)
1. the window intercom with wireless talkback function comprises main frame (1), the power supply adaptor (7) with the main frame connection, the secondary machine (6) that links to each other with main frame, it is characterized in that:
One wireless intercom system (2) is located in the main frame (1), and this wireless intercom system (2) is made up of button display module (21), MCU control module (22), function modular converter (23), wireless two-way transport module (25) and power module (26); Button display module (21) connects with MCU control module (22), input button operation signal; MCU control module (22) connects with function modular converter (23), and wireless signal is selected in output; Function modular converter (23) connects with button display module (21), and indication button display module shows corresponding signal; Wireless two-way transport module (25) connects with button display module (21), accepts the wireless talkback control that button display module button sends; Wireless two-way transport module (25) connects with MCU control module (22), accepts the frequency-selecting wireless intercommunication control that the MCU control module is sent; Power module (26) connects power supply respectively with MCU control module (22), function modular converter (23), wireless two-way transport module (25).
2. a kind of window intercom according to claim 1 with wireless talkback function, it is characterized in that: also comprise the main frame loudspeaker (8) that are located on the main frame (1), operation push-button plate (9), main frame microphone (10), host power switch (11), host power supply input interface (12), secondary machine joining interface (13), tie clip microphone interface (14), monitoring recording interface (15), speech input interface (16), main frame volume adjustment knob (17), secondary machine volume adjustment knob (18) and host work power supply indicator (19), main frame microphone (10) and main frame loudspeaker (8) connect with wireless two-way transport module (25), carry out wireless talkback, power supply adaptor (7) connects with host power supply input interface (12); Described secondary machine (6) is provided with secondary machine microphone (3) and secondary machine loudspeaker (4), and secondary machine (6) connects with secondary machine joining interface (13) on the main frame by integrated tie (5).
3. a kind of window intercom with wireless talkback function according to claim 1 and 2 is characterized in that: described MCU control module (22) comprises ATMAGEL88 chip U2 and connects the program download interface ISP that is used for ROMPaq with this chip; 25 pin of the chip U2 of described MCU control module (22), 24 pin, 23 pin connect respectively with DATA end, STP end, the CLK end of function modular converter (23) respectively, and wireless signal is selected in output; 1 pin of chip U2,2 pin connect respectively with 9 pin, 10 pin of a YESU-WKTK-ED409 chip U4 of wireless two-way transport module (25), carry out the frequency-selecting of wireless talkback signal.
4. a kind of window intercom according to claim 1 and 2 with wireless talkback function, it is characterized in that: described button display module (21) is made up of the button part and the display part that are located on the operation push-button plate (9), and the binding post JP5 of this two-part binding post JP8 and function modular converter (23) pegs graft;
The button part is made up of intercommunication options button (31) and wireless talkback key (36); Intercommunication options button (31) connects with 13 pin of the chip U2 of MCU control module (22), input button operation signal; Wireless talkback key (36) connects with 8 pin of the chip U4 of wireless two-way transport module (25), sends wireless talkback control;
The display part is made up of the hall's light-emitting diode (35) that is connected with function modular converter (23) respective terminal, security personnel's light-emitting diode (34), mandate light-emitting diode (33), wire signal light-emitting diode (32) and wireless signal light-emitting diode (37), the wireless signal light-emitting diode is connected to 7 pin of the chip U4 of wireless two-way transport module (25), display radio intercommunication operating state by the function modular converter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110093828 CN102149023B (en) | 2011-04-14 | 2011-04-14 | Window interphone with wireless talkback function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110093828 CN102149023B (en) | 2011-04-14 | 2011-04-14 | Window interphone with wireless talkback function |
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| CN102149023A true CN102149023A (en) | 2011-08-10 |
| CN102149023B CN102149023B (en) | 2013-07-10 |
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| CN 201110093828 Active CN102149023B (en) | 2011-04-14 | 2011-04-14 | Window interphone with wireless talkback function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103248967A (en) * | 2013-05-08 | 2013-08-14 | 重庆帅能科技有限公司 | Audio-video-position evidence obtaining intercom system terminal |
| CN107948765A (en) * | 2018-01-11 | 2018-04-20 | 重庆和视科技发展有限公司 | Window talkback host and system with Multifunctional calling intercommunication |
| CN112714367A (en) * | 2021-02-02 | 2021-04-27 | 泉州市佰兆电子科技有限公司 | Intelligent multifunctional application voice intercom system based on 4G5G |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2739718Y (en) * | 2004-04-29 | 2005-11-09 | 李得圣 | Intelligent wirelsss traffic policeman on-duty device |
| US20060114063A1 (en) * | 2004-11-30 | 2006-06-01 | Michael Pan | Method and system for constant or proportional to absolute temperature biasing for minimizing transmitter output power variation |
| CN201039393Y (en) * | 2007-03-24 | 2008-03-19 | 苏炜 | An antenna car radio communication command instrument |
| CN202050513U (en) * | 2011-04-14 | 2011-11-23 | 李卫东 | Window interphone with wireless interphone function |
-
2011
- 2011-04-14 CN CN 201110093828 patent/CN102149023B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2739718Y (en) * | 2004-04-29 | 2005-11-09 | 李得圣 | Intelligent wirelsss traffic policeman on-duty device |
| US20060114063A1 (en) * | 2004-11-30 | 2006-06-01 | Michael Pan | Method and system for constant or proportional to absolute temperature biasing for minimizing transmitter output power variation |
| CN201039393Y (en) * | 2007-03-24 | 2008-03-19 | 苏炜 | An antenna car radio communication command instrument |
| CN202050513U (en) * | 2011-04-14 | 2011-11-23 | 李卫东 | Window interphone with wireless interphone function |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103248967A (en) * | 2013-05-08 | 2013-08-14 | 重庆帅能科技有限公司 | Audio-video-position evidence obtaining intercom system terminal |
| CN103248967B (en) * | 2013-05-08 | 2016-09-28 | 重庆帅能科技有限公司 | A kind of phonotape and videotape position evidence obtaining intercom system terminal |
| CN107948765A (en) * | 2018-01-11 | 2018-04-20 | 重庆和视科技发展有限公司 | Window talkback host and system with Multifunctional calling intercommunication |
| CN107948765B (en) * | 2018-01-11 | 2024-05-14 | 重庆和视科技发展有限公司 | Window intercom host and system with multifunctional call intercom function |
| CN112714367A (en) * | 2021-02-02 | 2021-04-27 | 泉州市佰兆电子科技有限公司 | Intelligent multifunctional application voice intercom system based on 4G5G |
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| CN102149023B (en) | 2013-07-10 |
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Effective date of registration: 20180412 Address after: 400026 No. 8, No. 1, Hong Kong City East Road, Jiangbei District, Chongqing 6-1 Patentee after: Chongqing Heshi Technology Development Co., Ltd. Address before: No. two, West Garden, 99, Shapingba District, Chongqing City, Chongqing Patentee before: Li Weidong |
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