CN201365312Y - Multimedia medical nursing communication machine - Google Patents
Multimedia medical nursing communication machine Download PDFInfo
- Publication number
- CN201365312Y CN201365312Y CNU2009200235251U CN200920023525U CN201365312Y CN 201365312 Y CN201365312 Y CN 201365312Y CN U2009200235251 U CNU2009200235251 U CN U2009200235251U CN 200920023525 U CN200920023525 U CN 200920023525U CN 201365312 Y CN201365312 Y CN 201365312Y
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- module
- rbds
- extension set
- rds
- frequency modulation
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Abstract
A multimedia medical nursing communication machine comprises a host machine and an extension set, wherein a host machine CPU (computer processing unit), a code receiving module and an interface are arranged inside the host machine; the output terminal of the code receiving module is connected with the input terminal of the host machine CPU; an extension set CPU and a code sending module are arranged inside the extension set; and the output terminal of the extension set CPU is connected with the code sending module. The utility model has the main technical characteristics that a frequency modulation RDS/RBDS module and a mixer are arranged inside the host machine; a frequency modulation receiving RDS/RBDS module is arranged inside the extension set; the output terminal of the frequency modulation sending RDS/RBDS module is connected with the interface through the mixer; the interface is connected with the input terminal of the frequency modulation receiving RDS/RBDS module inside the extension set through a coaxial cable; the communication port of the frequency modulation receiving RDS/RBDS module is connected with the control terminal of extension set CPU; and the output terminal of the code sending module inside the extension set is connected with the coaxial cable. The utility model has the advantages of good networking performance, strong anti-interference ability, easy installation, easy maintenance, powerful functions and good stability.
Description
Technical field
The utility model relates to a kind of multimedia medical nursing communication machine that utilizes coaxial cable as the systems connection line, and its communications protocol adopts RDS or RBDS mode to transmit, and belongs to medical care equipment or medical instruments field.
Background technology
Existing medical nursing communication machine generally has dual mode.A kind of employing bus two-wire system, generally with twisted-pair feeder as the networking line, its cost is low, installs simple and convenient, but function is simple, transmission range is closer, the networking poor performance can not realize multimedia recreation, a little less than the anti-electromagnetic interference capability etc.; The another kind of multiple-way system that adopts, generally with netting twine as the networking line, can realize more multi-functionally, but cost is quite high, complexity is installed, and wiring is many, and each extension set needs independent line, and extra line is powered, must be added hub or switch, and the back maintenance trouble etc. that breaks down is difficult to universal.
The utility model content
At above deficiency of the prior art, the technical problems to be solved in the utility model is: provide that a kind of networking performance is good, antijamming capability is strong, long transmission distance, the transmission of multichannel data signal, and can realize the medical nursing communication machine of multimedia recreation.
The technical scheme that its technical problem that solves the utility model adopts is: multimedia medical nursing communication machine, comprise main frame and extension set, main frame inside is provided with host CPU, receive sign indicating number module and interface, receive the input connecting interface of sign indicating number module, the output of receiving the sign indicating number module connects the host CPU input, extension set inside is provided with extension set CPU and signaling module, the output of extension set CPU connects the signaling module, it is characterized in that: main frame inside is provided with frequency modulation and sends RDS/RBDS module and frequency mixer, extension set inside is provided with FM reception RDS/RBDS module, the control end of host CPU connects the communication terminal that frequency modulation sends the RDS/RBDS module, frequency modulation sends the output of RDS/RBDS module by the frequency mixer connecting interface, interface connects the input of the FM reception RDS/RBDS module of extension set inside by coaxial cable, the communication terminal of FM reception RDS/RBDS module connects the control end of extension set CPU, and the output of the signaling module of extension set inside connects coaxial cable.
Coaxial cable is the systems connection line, and communication modes can adopt RDS or RBDS mode.Main frame is to send the RDS/RBDS module by frequency modulation order and data are dealt on the coaxial cable to the downgoing communication of extension set, and extension set FM reception RDS/RBDS module receives the order and the data-signal of main frame and solve, and carries out corresponding operating then.Extension set is by the signaling module to the uplink communication of main frame, adopts electric current or mode of frequency regulation to send order and data through coaxial cable to main frame, and the receipts sign indicating number module of main frame correspondence solves the signal that extension set is sent.Two kinds of signals are all in transmission over coaxial cable, and are independent of each other.Extension set, display screen, gate light power supply can be given by coaxial cable, also sound, literal, image and video etc. can be transmitted simultaneously.The bus crotch uses the coaxial cable junction box, can make a cable distribute, connect a plurality of extension sets, and each terminal is distributed in one tunnel signal averaging.Play the effect of balanced impedance.
Wherein preferred version is:
A plurality of frequency modulation that described main frame inside is provided with more than 2 send the RDS/RBDS module, and the control end of host CPU connects the communication terminal that a plurality of frequency modulation send the RDS/RBDS module, and a plurality of frequency modulation send the input of the output connection frequency mixer of RDS/RBDS module.According to different signal sources,, send the RDS/RBDS module by a plurality of frequency modulation and can be respectively applied for different signal transmission, as multichannel voice frequency, video, literal, picture etc. as computer hard disc, storage card, mp3, CD or TV signal etc.Can also connect frequency mixer by the signalization antenna, be used to receive electric wave, extension set can be used as broadcast receiver, listen to local radio programmes.
Described coaxial cable is provided with junction box and bus amplifier.Have expansion the time can install bus amplifier additional, make signal amplification, power amplification, transmission range farther etc., bus amplifier can also the segmentation detection, tracing trouble.
Described extension set is provided with receives sign indicating number startup module, receives the input that yard output that starts module connects CPU, and the input of receipts sign indicating number startup module connects coaxial cable.When not needing transmission signals, FM reception RDS/RBDS module is in holding state; When needing transmission signals, receive sign indicating number and start module reception starting command, and start the work of FM reception RDS/RBDS module by extension set CPU.Like this can power saving.
Described frequency modulation sends the RDS/RBDS module and adopts the NS741 chip.
Described FM reception RDS/RBDS module adopts the SDFMM4A11QC2T chip.
Described extension set comprises extension set CPUU1, FM reception RDS/RBDS module U2, signaling module U3, power amplifier module U4, resistance R 1, R2, capacitor C 1, C2 and crystal oscillator XT1,18 pin of FM reception RDS/RBDS module U2 connect coaxial cable by capacitor C 2,3 pin of FM reception RDS/RBDS module U2 are by the crystal oscillator XT1 and capacitor C 1 ground connection of series connection, 7 pin of FM reception RDS/RBDS module U2,8 pin are respectively by resistance R 2, R1 connects 11 pin and 12 pin of extension set CPUU1,13 of FM reception RDS/RBDS module U2,14 pin connect power amplifier module U4, and 20 pin of CPUU1 connect receiving code and start module, and 4 pin of extension set CPUU1 connect receiving code module U3.
The power amplifier module U4 that the utility model is mentioned, host CPU is received the sign indicating number module, interface, the extension set CPU of extension set inside, other functional units, as display module, microphone, loudspeaker, button, power supply and illuminating lamp etc., receive sign indicating number startup module and signaling module and be common prior art.
Compared with prior art, the beneficial effect that the utility model multimedia medical nursing communication machine is had is: by being provided with in main frame inside that frequency modulation sends the RDS/RBDS module and FM reception RDS/RBDS module being set in extension set inside, the coaxial cable that extension set and main frame are adopted international standards is as the internal system line of networking, communications protocol adopts RDS or RBDS mode, can realize that extension set and display screen can shared same coaxial cables, both given extension set, display screen, power supplies such as gate light, simultaneously transmission command and signal thereon again, and can also realize main, the extension set conversation is independent of each other with the autonomous broadcast listening of extension set, and the user can independently establish.A plurality of channel programs, transmission literal, picture, audio frequency, video etc., and be independent of each other between the different speech amplifier.Main frame can transmit Word messages such as hospitalization information, medical conditions, the statement of expense, medication alert, doctor's advice to extension set.Main frame is connected with hospital HIS system, can make things convenient for and accurately read patient's check-in information, extension set can be by being different from other channel visit mainframe memory or external memory of intercommunication channel, as computer hard disc, external hard drive or storage card, MP3, MP4, CD etc., the program of selecting oneself to like is listened to or is read, as listen to the music or see e-book, and watch video etc.The TV frequency mixer is set on main frame or coaxial cable, the signal of cable TV can be reached extension set by coaxial cable, the patient listens to TV programme by the headset on the extension set, does not influence with other patients of ward.Can also connect frequency mixer by the signalization antenna, be used to receive electric wave, extension set can be used as broadcast receiver, listen to local radio programmes.The content of different channel is separate and can not go here and there mutually, has increased the utility function and the amusement and leisure function of native system.The utility model networking performance is good, antijamming capability strong, easily installation, easy care, powerful, and stability is good.And can arbitrarily increase and decrease function according to customer requirements, meet the different needs.
Description of drawings
Fig. 1 is a functional-block diagram of the present utility model,
Fig. 2 is the circuit theory diagrams of extension set of the present utility model,
Wherein: U1, extension set CPU U2, FM reception RDS/RBDS module U3, signaling module U4, power amplifier module XT1, crystal oscillator R1, R2, resistance C1, C2, electric capacity.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further:
As shown in Figure 1, main frame inside is provided with host CPU, a receipts sign indicating number module, interface, frequency modulation transmission RDS/RBDS module and frequency mixer.Extension set inside is provided with extension set CPU, receives sign indicating number startup module, signaling module and FM reception RDS/RBDS module.
Main frame is received the input connecting interface of sign indicating number module, and the output of receiving the sign indicating number module connects the host CPU input.The control end of host CPU connects the communication terminal that frequency modulation sends the RDS/RBDS module.Frequency modulation sends the output of RDS/RBDS module by the frequency mixer connecting interface.Interface connects the input of the FM reception RDS/RBDS module of extension set inside by coaxial cable.The communication terminal of FM reception RDS/RBDS module connects the control end of extension set CPU.The output of the signaling module of extension set inside connects coaxial cable.The input of receiving sign indicating number startup module connects coaxial cable, receives the input that sign indicating number starts the output connection CPU of module, and the output of CPU connects the signaling module.
A plurality of frequency modulation that main frame inside is provided with more than 2 send the RDS/RBDS module, and the control end of host CPU connects the communication terminal that a plurality of frequency modulation send the RDS/RBDS module, and a plurality of frequency modulation send the input of the output connection frequency mixer of RDS/RBDS module.A plurality of frequency modulation send the RDS/RBDS module can be respectively applied for different signal transmission, as multichannel voice frequency, video, literal, picture etc.By the RDS/RBDS mode, main frame can send hospitalization information, medical information, medication alert, the statement of expense of patient etc. to extension set; Main frame is connected with hospital HIS system, can make things convenient for accurately to read patient's check-in information, and extension set can be selected program voluntarily, and display program menu, programme information can show the lyrics etc. when extension set is listened to song.
Coaxial cable is provided with junction box and bus amplifier.Have expansion the time can install bus amplifier additional, make signal amplification, power amplification, transmission range farther etc., bus amplifier can also the segmentation detection, tracing trouble.
Frequency modulation sends the RDS/RBDS module and adopts the NS741 chip.
Main frame is by being provided with multichannel frequency modulation module and frequency mixing module, configurable a plurality of frequency modulation channels.By these frequency modulation channels, when main frame and extension set intercommunication, other speech amplifier wave bands do not conflict mutually.The TV frequency mixer is set on main frame or the coaxial cable, the signal of cable TV can be reached extension set by coaxial cable, the patient listens to TV programme by the headset on the extension set, does not influence with other patients of ward; Main frame is connected with hospital HIS system, and extension set can be selected program, display program menu, programme information etc. voluntarily.
As shown in Figure 2,18 pin of FM reception RDS/RBDS module U2 connect coaxial cable by capacitor C 2,3 pin of FM reception RDS/RBDS module U2 are by the crystal oscillator XT1 and capacitor C 1 ground connection of series connection, 7 pin of FM reception RDS/RBDS module U2,8 pin connect 11 pin and 12 pin of extension set CPUU1 respectively by resistance R 2, R1,13,14 pin of FM reception RDS/RBDS module U2 connect power amplifier module U4.20 pin of extension set CPUU1 connect receiving code and start module, and 4 pin of extension set CPUU1 connect signaling module U3.
After the receipts sign indicating number startup module of extension set is received the receipts sign indicating number initiation command of main frame, enter the sign indicating number state of receiving, by the host signal of FM reception RDS/RBDS module U2 reception, be delivered to extension set CPUU1 then, and carry out corresponding operating from coaxial cable.When extension set sent information, U3 sent signal to coaxial cable by the signaling module.
Described FM reception RDS/RBDS module adopts the SDFMM4A11QC2T chip.
The extension set CPU of extension set inside, other functional units as display module, microphone, loudspeaker, button, power supply and illuminating lamp etc., are received sign indicating number startup module and signaling module and are common prior art.Extension set broadcast listening or when watching program, but window display program menu.Patient can select with page turning etc. by the buttons such as menu that are provided with, and the program of selecting oneself to like is listened to or watched.When listening song, but synchronously displaying lyrics etc.Can be by the volume key that is provided with or multiplexing button scalable volume etc.
Operation principle: coaxial cable is the systems connection line, and communications protocol can adopt RDS or RBDS mode.Main frame is to send the RDS/RBDS module by frequency modulation order and data are dealt into frequency mixer to the downgoing communication of extension set, send on the coaxial cable then, extension set FM reception RDS/RBDS module receives the order and the data-signal of main frame and solve, and carries out corresponding operating then.When the call extension main frame, send request by the signaling circuit to main frame, code sending method is " electric current or a mode of frequency regulation ", main frame can carry out entering conversation after responding, and withdraws from conversation, operations such as broadcast listening.The display window of extension set is according to actual conditions show Calls state, talking state, information such as end of conversation.
After the receipts sign indicating number startup module of extension set is received the receipts sign indicating number initiation command of main frame, enter and receive a sign indicating number state, receive host signal by FM reception RDS/RBDS module then, and carry out corresponding operating.The display window of extension set shows corresponding information.Two kinds of signals are all in transmission over coaxial cable, and are independent of each other.Power supplies such as extension set, display screen, gate light can be given, also sound, literal, picture and video can be transmitted simultaneously.The bus crotch uses the coaxial cable junction box, can make a cable distribute, connect a plurality of extension sets, and each terminal is distributed in one tunnel signal averaging.Play the effect of balanced impedance.
Claims (6)
1, multimedia medical nursing communication machine, comprise main frame and extension set, main frame inside is provided with host CPU, receive sign indicating number module and interface, receive the input connecting interface of sign indicating number module, the output of receiving the sign indicating number module connects the host CPU input, extension set inside is provided with extension set CPU and signaling module, the output of extension set CPU connects the signaling module, it is characterized in that: main frame inside is provided with frequency modulation and sends RDS/RBDS module and frequency mixer, extension set inside is provided with FM reception RDS/RBDS module, the control end of host CPU connects the communication terminal that frequency modulation sends the RDS/RBDS module, frequency modulation sends the output of RDS/RBDS module by the frequency mixer connecting interface, interface connects the input of the FM reception RDS/RBDS module of extension set inside by coaxial cable, the communication terminal of FM reception RDS/RBDS module connects the control end of extension set CPU, and the output of the signaling module of extension set inside connects coaxial cable.
2, multimedia medical nursing communication machine according to claim 1, it is characterized in that: a plurality of frequency modulation that described main frame inside is provided with more than 2 send the RDS/RBDS module, the control end of host CPU connects the communication terminal that a plurality of frequency modulation send the RDS/RBDS module, and a plurality of frequency modulation send the input of the output connection frequency mixer of RDS/RBDS module.
3, multimedia medical nursing communication machine according to claim 1, it is characterized in that: described coaxial cable is provided with junction box and bus amplifier.
4, multimedia medical nursing communication machine according to claim 1 is characterized in that: described extension set is provided with receives sign indicating number startup module, receives the input that yard output that starts module connects CPU, and the input of receipts sign indicating number startup module connects coaxial cable.
5, multimedia medical nursing communication machine according to claim 1 is characterized in that: described frequency modulation sends the RDS/RBDS module and adopts the NS741 chip, and described FM reception RDS/RBDS module adopts the SDFMM4A11QC2T chip.
6, multimedia medical nursing communication machine according to claim 1, it is characterized in that: described extension set comprises extension set CPUU1, FM reception RDS/RBDS module U2, signaling module U3, power amplifier module U4, resistance R 1, R2, capacitor C 1, C2 and crystal oscillator XT1,18 pin of FM reception RDS/RBDS module U2 connect coaxial cable by capacitor C 2,3 pin of FM reception RDS/RBDS module U2 are by the crystal oscillator XT1 and capacitor C 1 ground connection of series connection, 7 pin of FM reception RDS/RBDS module U2,8 pin are respectively by resistance R 2, R1 connects 11 pin and 12 pin of extension set CPUU1,13 of FM reception RDS/RBDS module U2,14 pin connect power amplifier module U4,20 pin of CPUU1 connect receiving code and start module, and 4 pin of extension set CPUU1 connect signaling module U3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200235251U CN201365312Y (en) | 2009-03-12 | 2009-03-12 | Multimedia medical nursing communication machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200235251U CN201365312Y (en) | 2009-03-12 | 2009-03-12 | Multimedia medical nursing communication machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201365312Y true CN201365312Y (en) | 2009-12-16 |
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ID=41475981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200235251U Expired - Fee Related CN201365312Y (en) | 2009-03-12 | 2009-03-12 | Multimedia medical nursing communication machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201365312Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921610A (en) * | 2018-12-13 | 2019-06-21 | 山东亚华电子股份有限公司 | A kind of extension set for realizing two-wire system bus |
-
2009
- 2009-03-12 CN CNU2009200235251U patent/CN201365312Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921610A (en) * | 2018-12-13 | 2019-06-21 | 山东亚华电子股份有限公司 | A kind of extension set for realizing two-wire system bus |
| CN109921610B (en) * | 2018-12-13 | 2020-07-21 | 山东亚华电子股份有限公司 | Extension set for realizing two-wire system bus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091216 Termination date: 20130312 |