CN207664977U - One kind being based on point-to-point digital intercom equipment - Google Patents
One kind being based on point-to-point digital intercom equipment Download PDFInfo
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- CN207664977U CN207664977U CN201820007904.0U CN201820007904U CN207664977U CN 207664977 U CN207664977 U CN 207664977U CN 201820007904 U CN201820007904 U CN 201820007904U CN 207664977 U CN207664977 U CN 207664977U
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Abstract
The utility model discloses one kind being based on point-to-point digital intercom equipment,Including intercom ontology,The inside of intercom ontology is hollow-core construction,Intercom ontology is internally provided with loud speaker,Microphone,Power module and Point-to-Point Data Transmission module,And the outlet sound mouth of loud speaker and the entering tone mouth of microphone are arranged at the outer surface of intercom ontology,It is both provided with dust filter screen on the outside of the outlet sound mouth of loud speaker and on the outside of the entering tone mouth of microphone,Point-to-Point Data Transmission module includes digital signal processor,Two points modulation circuit and antenna,Antenna is arranged on the top of intercom ontology,Microphone,Antenna is connect with the input terminal of digital signal processor,Loud speaker,Two points modulation circuit is connect with the output end of digital signal processor,And the output end of two points modulation circuit is connect with antenna,It is provided with signal amplification circuit between two points modulation circuit and antenna,It is simple in structure,It can realize the function of efficient point-to-point signal transmission.
Description
Technical field
The utility model is related to intercom technical fields, specially a kind of to be based on point-to-point digital intercom equipment.
Background technology
Digital walkie-talkie is the digital walkie-talkie being designed using digital technology, and digital walkie-talkie is then by voice signal
Digitlization, will be propagated in the form of digital coding, that is to say, that whole modulation in intercom transmission frequency are number, number
The basic principle of intercom is that analog voice is first converted into digital signal, is then modulated to radio frequency up, since transmitting is
Digital signal, certain this equipment can also directly transmit data, and the appearance of digital walkie-talkie is also for saving radio frequency line
Spectrum saves so digital walkie-talkie is mostly the equivalent occupancy 6.25kHzk bandwidth of a voice channel than general analog walkie-talkie
Half frequency.
Existing digital walkie-talkie in use, has the following problems：
(1) digital walkie-talkie is chronically exposed in air, and the dust in air is easy to enter by loud speaker or microphone
The inside of intercom, on the one hand, the circuit structure inside intercom can be damaged, influence its normal working performance so that
The reduced service life of intercom；On the other hand, the sound effective value that enters of the sounding effect and microphone that can make loud speaker is deteriorated, from
And the using effect of the intercom is died down；
(2) existing digital walkie-talkie is susceptible to noise jamming in data transmission procedure, generates noise, to be made
User brings poor usage experience, user to generally require ear being directed at speaker outlet when using intercom, or
It is to need face being directed at microphone mouth, preferably could improves to degree the using effect of the intercom, this also brings to user
Prodigious trouble.
Invention content
In order to overcome the shortcomings of that prior art, the utility model are provided one kind and set based on point-to-point digital intercom
It is standby, it is simple in structure, it can realize the function of efficient point-to-point signal transmission, and can effectively solve the problem that asking for background technology proposition
Topic.
Technical solution adopted by the utility model to solve its technical problems is：
One kind being based on point-to-point digital intercom equipment, including intercom ontology, and the inside of the intercom ontology is sky
Core structure, the intercom ontology are internally provided with loud speaker, microphone, power module and Point-to-Point Data Transmission module, and
The outlet sound mouth of the loud speaker and the entering tone mouth of microphone are arranged at the outer surface of intercom ontology, the outlet sound mouth of the loud speaker
It is both provided with dust filter screen on the outside of the entering tone mouth of outside and microphone, the Point-to-Point Data Transmission module includes Digital Signal Processing
Device, two points modulation circuit and antenna, the antenna are arranged on the top of intercom ontology, and the microphone, antenna are believed with number
The input terminal connection of number processor, the loud speaker, two points modulation circuit are connect with the output end of digital signal processor, and
The output end of the two points modulation circuit is connect with antenna, and signal amplification electricity is provided between two points modulation circuit and antenna
Road.
Further, intercom ontology left and right ends and upper and lower ends are both provided with anticollison block.
Further, it is respectively provided between the microphone and digital signal processor, between antenna and digital signal processor
There is noise reduction low-pass filter.
Further, antenna protection shell is provided on the outside of the antenna, and antenna protection shell upper end is provided with guarantor
Protecting cover.
Further, the two points modulation circuit includes slide rheostat, phase discriminator, voltage controlled oscillator and frequency divider, is slided
The output end of dynamic rheostat one end and digital signal processor connects, and the other end is connect with voltage controlled oscillator, voltage controlled oscillator one
End is connect with frequency divider, and the other end is connect with phase discriminator, and frequency divider one end is also connect with phase discriminator.
Compared with prior art, the utility model has the beneficial effects that：
(1) the utility model is realized by the way that Point-to-Point Data Transmission module is arranged between remote two intercoms
Data-transformation facility, and can ensure the accurate reliability of data transmission, by digital signal processor, data biography can be reduced
Noise jamming during defeated, by with signal amplification circuit collective effect, can fully realize the function of amplifying to signal, avoid
Voice signal very little received by remote one end, user's ear need to not can just be heard close to the digital intercom equipment；
(2) the utility model can be filtered the dust in air, on the one hand, can keep away by the setting of dust filter screen
Exempt from the inside that dust enters the digital intercom equipment by loud speaker or microphone, to pollute its inside, influence inside it
The normal working performance of circuit；On the other hand, it is ensured that the averaging effect of loud speaker and microphone extends the digital intercom equipment
Service life.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the Point-to-Point Data Transmission modular circuit flow chart of the utility model；
Fig. 3 is the two points modulation circuit diagram of the utility model.
Figure label：
1- intercom ontologies；2- loud speakers；3- microphones；4- power modules；5- Point-to-Point Data Transmission modules；6- dusts are filtered
Net；7- anticollison blocks；8- noise reduction low-pass filters；9- antenna protection shells；10- protection caps；
501- digital signal processors；502- two points modulation circuits；503- antennas；504- signal amplification circuits.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, Figure 2 and Figure 3, the utility model provides a kind of based on point-to-point digital intercom equipment, including
The inside of intercom ontology 1, the intercom ontology 1 is hollow-core construction, and the intercom ontology 1 is internally provided with loud speaker
2, microphone 3, power module 4 and Point-to-Point Data Transmission module 5, and the entering tone mouth of the outlet sound mouth of the loud speaker 2 and microphone 3 is equal
It is arranged on the outside of the outer surface of intercom ontology 1, the outlet sound mouth of the loud speaker 2 and the entering tone mouth outside of microphone 3 is both provided with
Dust filter screen 6, by the setting of dust filter screen 6, it can be achieved that the function of filtering dust, on the one hand, dust can be reduced by raising one's voice
The outlet sound mouth of device 2 and the entering tone mouth of microphone 3 enter the inside of intercom ontology 1, avoid causing internal circuit working performance
Adverse effect；On the other hand, the sound effect for avoiding influencing loud speaker 2 and microphone 3, since long-time uses, loud speaker 2 goes out
Many dusts can be accumulated on the entering tone mouth of sound mouth and microphone 3, if these dusts are handled not in time, the digital intercom can be influenced
The using effect of equipment makes its service life greatly shorten, and by the setting of dust filter screen 6, can facilitate loud speaker 2 and microphone
The dust removal of 3 surfaces accumulation.
The Point-to-Point Data Transmission module 5 includes digital signal processor 501, two points modulation circuit 502 and antenna
503, the antenna 503 is arranged on the top of intercom ontology 1, the microphone 3, antenna 503 with digital signal processor 501
Input terminal connection, the loud speaker 2, two points modulation circuit 502 connect with the output end of digital signal processor 501, and
The output end of the two points modulation circuit 502 is connect with antenna 503, is provided between two points modulation circuit 502 and antenna 503
Signal amplification circuit 504, by the setting of signal amplification circuit 504, it can be achieved that the output signal of two points modulation circuit 502 into
Row amplification, to ensure the reliability of data transmission.
Digital signal processor 501, microphone 3, two points modulation circuit 502, signal amplification circuit 504 and antenna 503 form
Data transmitter units then under the action of digital signal processor 502, are realized to letter by 3 input speech signal of microphone
Number acquisition, filtering, amplification, analog-digital conversion function generated in the form of frequency modulation and needed then by two points modulation circuit 502
Radiofrequency signal, radiofrequency signal are launched after signal amplification circuit 504 is amplified to the power of needs by antenna, antenna 503
It is used in this as transmitting antenna.
503 composition data receiving unit of digital signal processor 501, loud speaker 2 and antenna is received by antenna 503 and is believed
Number, then by the signal acquisition of digital signal processor 501, filtering and amplification, then by loud speaker 2 signal is passed out
It goes, to realize data receiver function.
It further illustrates, antenna 503 can be used as reception antenna use herein, be used but also as transmitting antenna.
By the setting of Point-to-Point Data Transmission module 5, the function of remote data accurate delivery may be implemented, by this
Digital intercom equipment realizes that the signal between remote two digital talk back equipments transmits, facilitates remote communication.
1 left and right ends of intercom ontology and upper and lower ends are both provided with anticollison block 7, the setting of anticollison block 7, to intercommunication
1 surface of machine ontology plays the role of protection, enhances its drop resistant, compressive property, to extend the digital intercom equipment
Service life.
It is respectively provided between the microphone 3 and digital signal processor 501, between antenna 503 and digital signal processor 501
There is noise reduction low-pass filter 8, it, can be in carrying out signal transduction process by the setting of noise reduction low-pass filter 8, realizing reduces letter
Noise jamming in number reduces influence of the external noise to signal transmission, improves accuracy and the high efficiency of signal transmission, protects
The reliability of signal transmission is demonstrate,proved.
The outside of the antenna 503 is provided with antenna protection shell 9, and 9 upper end of antenna protection shell is provided with protection cap
10, by the setting of antenna protection shell 9, play the role of protection to antenna 503, when not in the use digital intercom equipment
When, antenna 503 can be received in antenna protection shell 9, avoid collision the damage to antenna 503, to ensure that antenna 503 works
The stabilization of performance, and when needing using antenna 503, protection cap 10 is opened, the extraction out of antenna protection shell 9 by antenna 503, i.e.,
Can normal use, it is simple and convenient.
The two points modulation circuit 502 includes slide rheostat, phase discriminator, voltage controlled oscillator and frequency divider, slides variable resistance
Device one end is connect with the output end of digital signal processor 501, and the other end is connect with voltage controlled oscillator, voltage controlled oscillator one end with
Frequency divider connects, and the other end is connect with phase discriminator, and frequency divider one end is also connect with phase discriminator, passes through the resistance of slide rheostat
It adjusts, to realize the function of carrying out two-way modulation to the digital signal that digital signal processor 501 exports.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (5)
1. one kind being based on point-to-point digital intercom equipment, it is characterised in that：Including intercom ontology (1), the intercom sheet
The inside of body (1) is hollow-core construction, and the intercom ontology (1) is internally provided with loud speaker (2), microphone (3), power module
(4) and Point-to-Point Data Transmission module (5), and the entering tone mouth of the outlet sound mouth of the loud speaker (2) and microphone (3) is arranged at pair
It says the outer surface of machine ontology (1), ash is both provided on the outside of the outlet sound mouth outside of the loud speaker (2) and the entering tone mouth of microphone (3)
Dirt strainer (6), the Point-to-Point Data Transmission module (5) include digital signal processor (501), two points modulation circuit (502)
With antenna (503), the antenna (503) setting on the top of intercom ontology (1), the microphone (3), antenna (503) with
The input terminal of digital signal processor (501) connects, the loud speaker (2), two points modulation circuit (502) at digital signal
The output end connection of device (501) is managed, and the output end of the two points modulation circuit (502) is connect with antenna (503), in two point tune
It is provided with signal amplification circuit (504) between circuit (502) processed and antenna (503).
2. according to claim 1 a kind of based on point-to-point digital intercom equipment, it is characterised in that：The intercom sheet
Body (1) left and right ends and upper and lower ends are both provided with anticollison block (7).
3. according to claim 1 a kind of based on point-to-point digital intercom equipment, it is characterised in that：The microphone (3)
It is both provided with noise reduction low pass between digital signal processor (501), between antenna (503) and digital signal processor (501)
Filter (8).
4. according to claim 1 a kind of based on point-to-point digital intercom equipment, it is characterised in that：The antenna
(503) antenna protection shell (9) is provided on the outside of, and the antenna protection shell (9) upper end is provided with protection cap (10).
5. according to claim 1 a kind of based on point-to-point digital intercom equipment, it is characterised in that：The two points modulation
Circuit (502) includes slide rheostat, phase discriminator, voltage controlled oscillator and frequency divider, slide rheostat one end at digital signal
The output end connection of device (501) is managed, the other end is connect with voltage controlled oscillator, and voltage controlled oscillator one end is connect with frequency divider, another
End is connect with phase discriminator, and frequency divider one end is also connect with phase discriminator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820007904.0U CN207664977U (en) | 2018-01-03 | 2018-01-03 | One kind being based on point-to-point digital intercom equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820007904.0U CN207664977U (en) | 2018-01-03 | 2018-01-03 | One kind being based on point-to-point digital intercom equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207664977U true CN207664977U (en) | 2018-07-27 |
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ID=62944984
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820007904.0U Active CN207664977U (en) | 2018-01-03 | 2018-01-03 | One kind being based on point-to-point digital intercom equipment |
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| Country | Link |
|---|---|
| CN (1) | CN207664977U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114390126A (en) * | 2022-01-14 | 2022-04-22 | 江苏鼎尚电子材料股份有限公司 | Medical communication equipment with voice recognition and transcription effects |
-
2018
- 2018-01-03 CN CN201820007904.0U patent/CN207664977U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114390126A (en) * | 2022-01-14 | 2022-04-22 | 江苏鼎尚电子材料股份有限公司 | Medical communication equipment with voice recognition and transcription effects |
| CN114390126B (en) * | 2022-01-14 | 2024-02-13 | 中原和仁医疗科技有限公司 | Medical conversation equipment with speech recognition and transcription effects |
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