CN103384352B - Elevator remote talkback system and access device - Google Patents
Elevator remote talkback system and access device Download PDFInfo
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- CN103384352B CN103384352B CN201310326650.0A CN201310326650A CN103384352B CN 103384352 B CN103384352 B CN 103384352B CN 201310326650 A CN201310326650 A CN 201310326650A CN 103384352 B CN103384352 B CN 103384352B
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Abstract
The invention provides a kind of elevator remote talkback system, including elevator five side's talk back equipment and voice communication apparatus, described elevator remote talkback system also includes signal adapting device, and this signal adapting device includes differential signal interface, signal processing unit and five side's intercommunication signaling interfaces；Wherein: described differential signal interface, it is used for connecting voice communication apparatus；Described five side's intercommunication signaling interfaces, are used for connecting five side's talk back equipments；Described signal processing unit, the signal for being sent to differential signal interface self difference signaling interface in the future after the signal from five side's intercommunication signaling interfaces is converted to differential signal is sent to five side's intercommunication signaling interfaces after being converted to five side's talk back equipment signals。The present invention also provides for the access device of a kind of elevator remote talkback system。The present invention by differential signal and five side's talk back equipment end signals being turned mutually, it is achieved thereby that voice communication apparatus and five side's talk back equipments is mutual, makes elevator five side's intercom system be extended neatly。
Description
Technical field
The present invention relates to elevator intercommunication field, more particularly, it relates to a kind of elevator remote talkback system and access device。
Background technology
Along with the fast development of Chinese society economy, the raising of people's living standard, elevator is widely used as the vehicles in building。Elevator five side's intercom system is also referred to as elevator five square tube telephone system, for realizing the call between pit extension set five side bottom administrative center's main frame in elevator intercom system, the car extension set of lift car, the machine room extension set of elevator(lift) machine room, the sedan-chair top extension set at elevator top, elevator。Elevator five side's intercom system has that installation is quick, simple to operate, is swift in response, the feature such as sound clarity, is therefore widely used in the occasions such as community's property, elevator monitoring, elevator intercommunication。
But, above-mentioned elevator five side's intercom system call be only limited to five sides, namely administrative center's main frame, car extension set, machine room extension set, sedan-chair top extension set, pit extension set, its activity extent by wiring restriction, self cannot realize distance communicating。And owing to the signal of elevator five side's intercom system Yu other speech ciphering equipments is incompatible, distance communicating terminal therefore cannot be accessed。If it is desired to five side's intercommunications to be extended in many ways (more than five sides) intercommunication, then need all to remove five original side's intercom systems, reinstall new system。
Summary of the invention
The technical problem to be solved in the present invention is in that, for the problem that above-mentioned elevator five side's intercom system cannot realize distance communicating, it is provided that a kind of elevator remote talkback system and access device。
This invention address that the technical scheme of above-mentioned technical problem is, a kind of elevator remote talkback system is provided, including elevator five side's talk back equipment and voice communication apparatus, described elevator remote talkback system also includes signal adapting device, and this signal adapting device includes differential signal interface, signal processing unit and five side's intercommunication signaling interfaces；Wherein: described differential signal interface, it is used for connecting voice communication apparatus；Described five side's intercommunication signaling interfaces, are used for connecting five side's talk back equipments；Described signal processing unit, the signal for being sent to differential signal interface self difference signaling interface in the future after the signal from five side's intercommunication signaling interfaces is converted to differential signal is sent to five side's intercommunication signaling interfaces after being converted to five side's talk back equipment signals。
In elevator remote talkback system of the present invention, described differential signal includes audio signal and status signal, and described differential signal interface includes the audio frequency sub-interface for connecting audio signal wire and the state subgroup interface for connection status holding wire。
In elevator remote talkback system of the present invention, described five side's intercommunication signaling interfaces include the first intercommunication signal terminal and the second intercommunication signal terminal；Described audio frequency sub-interface includes two groups of voice-frequency signal terminals；Described state subgroup interface includes the first state terminal and the second state terminal；Described signal processing unit includes the first signal isolator part, secondary signal isolating device, the 3rd signal isolator part, the first audio-frequency transformer and the second audio-frequency transformer, two groups of voice-frequency signal terminals of described audio frequency sub-interface are connected respectively to the first audio-frequency transformer and the secondary of the second audio-frequency transformer, and the former limit of described first audio-frequency transformer and the second audio-frequency transformer is connected respectively to the first intercommunication signal terminal and the second intercommunication signal terminal；The input of described first signal isolator part connects the first intercommunication signal terminal, secondary connects the first state terminal；The input of described secondary signal isolating device connects the second state terminal, outfan connects the second intercommunication signal terminal；The input of described 3rd signal isolator part connects the second state terminal, outfan connects the first intercommunication signal terminal。
In elevator remote talkback system of the present invention, described signal processing unit includes two voltage comparators, and the input of described secondary signal isolating device and the 3rd signal isolator part is connected to the second status signal terminal via a voltage comparator respectively。
In elevator remote talkback system of the present invention, described signal adapting device includes power module, and this power module respectively differential signal interface, signal processing unit and five side's intercommunication signaling interfaces are powered。
The present invention also provides for a kind of elevator remote talkback system access device, including differential signal interface, signal processing unit and five side's intercommunication signaling interfaces；Wherein: described differential signal interface, it is used for connecting voice communication apparatus；Described five side's intercommunication signaling interfaces, are used for connecting five side's talk back equipments；Described signal processing unit, the signal for being sent to differential signal interface self difference signaling interface in the future after the signal from five side's intercommunication signaling interfaces is converted to differential signal is sent to five side's intercommunication signaling interfaces after being converted to five side's talk back equipment signals。
In elevator remote talkback system access device of the present invention, described differential signal includes audio signal and status signal, and described differential signal interface includes the audio frequency sub-interface for connecting audio signal wire and the state subgroup interface for connection status holding wire。
In elevator remote talkback system access device of the present invention, described five side's intercommunication signaling interfaces include the first intercommunication signal terminal and the second intercommunication signal terminal；Described audio frequency sub-interface includes two groups of voice-frequency signal terminals；Described state subgroup interface includes the first state terminal and the second state terminal；Described signal processing unit includes the first signal isolator part, secondary signal isolating device, the 3rd signal isolator part, the first audio-frequency transformer and the second audio-frequency transformer, two groups of voice-frequency signal terminals of described audio frequency sub-interface are connected respectively to the first audio-frequency transformer and the secondary of the second audio-frequency transformer, and the former limit of described first audio-frequency transformer and the second audio-frequency transformer is connected respectively to the first intercommunication signal terminal and the second intercommunication signal terminal；The input of described first signal isolator part connects the first intercommunication signal terminal, secondary connects the first state terminal；The input of described secondary signal isolating device connects the second state terminal, outfan connects the second intercommunication signal terminal；The input of described 3rd signal isolator part connects the second state terminal, outfan connects the first intercommunication signal terminal。
In elevator remote talkback system access device of the present invention, described signal processing unit includes two voltage comparators, and the input of described secondary signal isolating device and the 3rd signal isolator part is connected to the second status signal terminal via a voltage comparator respectively。
In elevator remote talkback system access device of the present invention, described signal adapting device also includes power module, and this power module respectively differential signal interface, signal processing unit and five side's intercommunication signaling interfaces are powered。
The elevator remote talkback system of the present invention and access device, by signal processing unit, differential signal and five side's talk back equipment end signals are turned mutually, it is achieved thereby that voice communication apparatus and five side's talk back equipments is mutual, elevator five side's intercom system is made to be extended neatly。
Accompanying drawing explanation
Fig. 1 is the schematic diagram of elevator remote talkback system access device embodiment of the present invention。
Fig. 2 is the circuit diagram of elevator remote talkback system access device example in Fig. 1。
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated。Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention。
As shown in Figure 1, it it is the schematic diagram of elevator remote talkback system access device 10 embodiment of the present invention, this access device 10 turns with the mutual of the differential-type voice signal in ordinary voice communications system for the five side's intercommunication signals realizing using in five side's talk back equipments, so that ordinary voice communications equipment accesses five side's talk back equipments easily。Access device 10 in the present embodiment includes differential signal interface 11, signal processing unit 12 and five side's intercommunication signaling interfaces 13, wherein differential signal interface 11 is used for connecting voice communication apparatus (this voice communication apparatus can be the equipment using differential-type voice signal, it is also possible to be the equipment of single-ended voice signal after using differential signal one end ground connection)；Five side's intercommunication signaling interfaces 13 are used for connecting five side's talk back equipments (i.e. any appliance in five side's intercom systems)；Signal processing unit 12 is sent to five side's intercommunication signaling interfaces 13 after being converted to, for the signal being sent to differential signal interface 11 self difference signaling interface 11 in the future after the signal from five side's intercommunication signaling interfaces 13 is converted to differential signal, the signal that five side's talk back equipments use。
Especially, above-mentioned differential signal includes audio signal and status signal, as in figure 2 it is shown, differential signal interface 11 includes the audio frequency sub-interface J3 for connecting audio signal wire and the state subgroup interface J2 for connection status holding wire。
Five side intercommunication signaling interface J1 include the first intercommunication signal terminal (i.e. the pin 2 of J1) and the second intercommunication signal terminal (i.e. the pin 3 of J1)；Audio frequency sub-interface J3 includes two groups of voice-frequency signal terminals, and these two groups of voice-frequency signal terminals are respectively used to the L, the R signal that connect in voice communication apparatus；State subgroup interface J2 includes the pin 2 of the first state terminal IO_IN(and J2) and the pin 1 of the second state terminal PWMOUT(and J2)。
Signal processing unit 12 includes the first signal isolator part ISO1, secondary signal isolating device ISO2, the 3rd signal isolator part ISO3, the first audio-frequency transformer T1 and the second audio-frequency transformer T2, two groups of voice-frequency signal terminals of audio frequency sub-interface J3 are connected respectively to the first audio-frequency transformer T1 and the secondary of the second audio-frequency transformer T2, and the former limit of the first audio-frequency transformer T1 and the second audio-frequency transformer T2 is connected respectively to the first intercommunication signal terminal and the second intercommunication signal terminal；The input of the first signal isolator part ISO1 connects the first intercommunication signal terminal, secondary connects the first state terminal IO_IN；The input of secondary signal isolating device ISO2 connects the second state terminal PWMOUT, outfan connects the second intercommunication signal terminal；The input of the 3rd signal isolator part ISO3 connects the second state terminal PWMOUT, outfan connects the first intercommunication signal terminal。
The first signal isolator part ISO1 in signal processing unit 12, secondary signal isolating device ISO2, 3rd signal isolator part ISO3, first audio-frequency transformer T1, the signal of differential signal interface 11 and five side's intercommunication signaling interfaces 13 has been carried out isolation processing by the second audio-frequency transformer T2, wherein the first audio-frequency transformer T1, second audio-frequency transformer T2 achieves the L of five side's talk back equipments, the conversion of R signal and difference audio signal, first signal isolator part ISO1 achieves the status signal of five side's talk back equipment ends and changes to the isolation of the status signal of differential signal equipment end, secondary signal isolating device ISO2, 3rd signal isolator part ISO3 achieves the status signal of differential signal equipment end and changes to the isolation of the status signal of five side's talk back equipment ends。
Above-mentioned first signal isolator part ISO1, secondary signal isolating device ISO2, the 3rd signal isolator part ISO3 specifically can adopt optocoupler etc.。
When the five side's intercommunication signaling interfaces 13 being connected to access device 10 receive the bell signal from five side's talk back equipments, by the first optocoupler ISO1 isolation processing this bell signal to be passed to the first status signal terminal of differential signal interface 11, so that the voice communication apparatus being connected to differential signal interface 11 produces dial action, then set up the voice communications channel of five side's talk back equipments and voice communication apparatus。
In above-mentioned elevator remote talkback system access device, signal processing unit 12 may also include two voltage comparators U2-A, U2-B, and the input of secondary signal isolating device ISO2 and the three signal isolator part ISO3 is connected to the second status signal terminal via a voltage comparator respectively。Judged the status signal of differential signal equipment end by voltage comparator U2-A, U2-B, be then converted into five side's talk back equipment end acceptable signals, and by the isolating device transmission past。
Above-mentioned signal adapting device 10 may also include power module 14, and this power module 14 respectively differential signal interface 11, signal processing unit 12 and five side's intercommunication signaling interfaces 13 are powered。Power module 14 includes three chip U3-U5, and this power module 14 obtains voltage input from five side's talk back equipment ends。
Above-mentioned access device may be directly applied to elevator remote talkback system, extends with realizing the connection with different phonetic system of the five side's intercom systems。This elevator remote talkback system includes elevator five side's talk back equipment, voice communication apparatus and signal adapting device, and this signal adapting device includes differential signal interface, signal processing unit and five side's intercommunication signaling interfaces；Wherein differential signal interface is used for connecting voice communication apparatus；Five side's intercommunication signaling interfaces are used for connecting five side's talk back equipments；Signal processing unit is sent to five side's intercommunication signaling interfaces after being converted to five side's talk back equipment signals for the signal being sent to differential signal interface self difference signaling interface in the future after the signal from five side's intercommunication signaling interfaces is converted to differential signal。
Above-mentioned differential signal includes audio signal and status signal, and differential signal interface includes the audio frequency sub-interface for connecting audio signal wire and the state subgroup interface for connection status holding wire。Five side's intercommunication signaling interfaces include the first intercommunication signal terminal and the second intercommunication signal terminal；Audio frequency sub-interface includes two groups of voice-frequency signal terminals；Described state subgroup interface includes the first state terminal and the second state terminal；Signal processing unit includes the first signal isolator part, secondary signal isolating device, the 3rd signal isolator part, the first audio-frequency transformer and the second audio-frequency transformer；Two groups of voice-frequency signal terminals of audio frequency sub-interface are connected respectively to the former limit of the first audio-frequency transformer and the secondary of the second audio-frequency transformer, the first audio-frequency transformer and the second audio-frequency transformer and are connected respectively to the first intercommunication signal terminal and the second intercommunication signal terminal；The input of the first signal isolator part connects the first intercommunication signal terminal, secondary connects the first state terminal；The input of secondary signal isolating device connects the second state terminal, outfan connects the second intercommunication signal terminal；The input of the 3rd signal isolator part connects the second state terminal, outfan connects the first intercommunication signal terminal。
In above-mentioned elevator remote talkback system, signal processing unit includes two voltage comparators, and the input of secondary signal isolating device and the 3rd signal isolator part is connected to the second status signal terminal via a voltage comparator respectively。
Additionally, signal adapting device includes power module, this power module respectively differential signal interface, signal processing unit and five side's intercommunication signaling interfaces are powered。
The above; being only the present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; the change that can readily occur in or replacement, all should be encompassed within protection scope of the present invention。Therefore, protection scope of the present invention should be as the criterion with scope of the claims。
Claims (6)
1. an elevator remote talkback system, including elevator five side's talk back equipment and voice communication apparatus, it is characterized in that: described elevator remote talkback system also includes signal adapting device, and this signal adapting device includes differential signal interface, signal processing unit and five side's intercommunication signaling interfaces；Wherein: described differential signal interface, it is used for connecting voice communication apparatus；Described five side's intercommunication signaling interfaces, are used for connecting five side's talk back equipments；Described signal processing unit, the signal for being sent to differential signal interface self difference signaling interface in the future after the signal from five side's intercommunication signaling interfaces is converted to differential signal is sent to five side's intercommunication signaling interfaces after being converted to five side's talk back equipment signals；
Described differential signal includes audio signal and status signal, and described differential signal interface includes the audio frequency sub-interface for connecting audio signal wire and the state subgroup interface for connection status holding wire；
Described five side's intercommunication signaling interfaces include the first intercommunication signal terminal and the second intercommunication signal terminal；Described audio frequency sub-interface includes two groups of voice-frequency signal terminals；Described state subgroup interface includes the first state terminal and the second state terminal；Described signal processing unit includes the first signal isolator part, secondary signal isolating device, the 3rd signal isolator part, the first audio-frequency transformer and the second audio-frequency transformer, two groups of voice-frequency signal terminals of described audio frequency sub-interface are connected respectively to the first audio-frequency transformer and the secondary of the second audio-frequency transformer, and the former limit of described first audio-frequency transformer and the second audio-frequency transformer is connected respectively to the first intercommunication signal terminal and the second intercommunication signal terminal；The input of described first signal isolator part connects the first intercommunication signal terminal, secondary connects the first state terminal；The input of described secondary signal isolating device connects the second state terminal, outfan connects the second intercommunication signal terminal；The input of described 3rd signal isolator part connects the second state terminal, outfan connects the first intercommunication signal terminal。
2. elevator remote talkback system according to claim 1, it is characterized in that: described signal processing unit includes two voltage comparators, and the input of described secondary signal isolating device and the 3rd signal isolator part is connected to the second status signal terminal via a voltage comparator respectively。
3. elevator remote talkback system according to claim 1, it is characterised in that: described signal adapting device includes power module, and this power module respectively differential signal interface, signal processing unit and five side's intercommunication signaling interfaces are powered。
4. an elevator remote talkback system access device, it is characterised in that: include differential signal interface, signal processing unit and five side's intercommunication signaling interfaces；Wherein: described differential signal interface, it is used for connecting voice communication apparatus；Described five side's intercommunication signaling interfaces, are used for connecting five side's talk back equipments；Described signal processing unit, the signal for being sent to differential signal interface self difference signaling interface in the future after the signal from five side's intercommunication signaling interfaces is converted to differential signal is sent to five side's intercommunication signaling interfaces after being converted to five side's talk back equipment signals；
Described differential signal includes audio signal and status signal, and described differential signal interface includes the audio frequency sub-interface for connecting audio signal wire and the state subgroup interface for connection status holding wire；
Described five side's intercommunication signaling interfaces include the first intercommunication signal terminal and the second intercommunication signal terminal；Described audio frequency sub-interface includes two groups of voice-frequency signal terminals；Described state subgroup interface includes the first state terminal and the second state terminal；Described signal processing unit includes the first signal isolator part, secondary signal isolating device, the 3rd signal isolator part, the first audio-frequency transformer and the second audio-frequency transformer, two groups of voice-frequency signal terminals of described audio frequency sub-interface are connected respectively to the first audio-frequency transformer and the secondary of the second audio-frequency transformer, and the former limit of described first audio-frequency transformer and the second audio-frequency transformer is connected respectively to the first intercommunication signal terminal and the second intercommunication signal terminal；The input of described first signal isolator part connects the first intercommunication signal terminal, secondary connects the first state terminal；The input of described secondary signal isolating device connects the second state terminal, outfan connects the second intercommunication signal terminal；The input of described 3rd signal isolator part connects the second state terminal, outfan connects the first intercommunication signal terminal。
5. elevator remote talkback system access device according to claim 4, it is characterized in that: described signal processing unit includes two voltage comparators, and the input of described secondary signal isolating device and the 3rd signal isolator part is connected to the second status signal terminal via a voltage comparator respectively。
6. elevator remote talkback system access device according to claim 4, it is characterised in that: described signal adapting device also includes power module, and this power module respectively differential signal interface, signal processing unit and five side's intercommunication signaling interfaces are powered。
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| CN104159169B (en) * | 2014-07-31 | 2017-12-19 | 深圳市汇川技术股份有限公司 | A kind of remote speech intercom system |
| CN108429570B (en) * | 2018-03-14 | 2021-04-13 | 广州科坦电子技术有限公司 | Digital-analog mixed five-party intercom system |
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| US6684055B1 (en) * | 2000-01-18 | 2004-01-27 | Otis Elevator Company | System for remotely communicating voice and data to and from an elevator controller |
| JP2003300679A (en) * | 2002-04-09 | 2003-10-21 | Mitsubishi Electric Building Techno Service Co Ltd | Elevator device and remote supervisory system for elevator |
| CN101170618A (en) * | 2007-11-30 | 2008-04-30 | 吴喜峰 | Elevator emergent rescue communication system based on radio Ad hoc |
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Effective date of registration: 20221123 Address after: 518000 Huichuan technology headquarters building, Guanlan high tech Industrial Park, Longhua New District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN INOVANCE TECHNOLOGY Co.,Ltd. Patentee after: SUZHOU INOVANCE TECHNOLOGY Co.,Ltd. Address before: 518101 building e, Hongwei Industrial Zone, Liuxian 2nd Road, Baocheng 70 District, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN INOVANCE TECHNOLOGY Co.,Ltd. Patentee before: Shenzhen Inovance Control Technology Co.,Ltd. Patentee before: SUZHOU INOVANCE TECHNOLOGY Co.,Ltd. |
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