CN212278386U - Two intercom systems and intercom - Google Patents
Two intercom systems and intercom Download PDFInfo
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- CN212278386U CN212278386U CN202021129498.9U CN202021129498U CN212278386U CN 212278386 U CN212278386 U CN 212278386U CN 202021129498 U CN202021129498 U CN 202021129498U CN 212278386 U CN212278386 U CN 212278386U
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- 238000005299 abrasion Methods 0.000 description 3
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a two intercom systems and intercom, including control module, two emission module, two receiving module, speaker module and receiver module, wherein, two emission module include frequency modulation transmitting unit, public net transmitting unit and signal conversion unit, and two receiving module include frequency modulation receiving unit, public net receiving unit and preference unit. The dual-transmitter interphone system and the interphone can simultaneously transmit the frequency modulation signal and the network signal and automatically select and receive the frequency modulation signal and the network signal through the dual-receiver module, a user does not need to manually switch modes in the use process, the network signal can still be received after exceeding the frequency modulation communication range, communication interruption can not be caused, normal communication in a small range can be ensured when exceeding the network communication range, the user does not need to pay attention to the signal state constantly to adjust, the working intensity of the user can be reduced, and the stability of communication can be ensured.
Description
Technical Field
The utility model relates to an intercom field, in particular to two intercom systems and intercom.
Background
The traditional interphone is a wireless interphone with small volume, light weight and low power, can carry out communication during the process of traveling, and the power of the traditional interphone generally does not exceed the frequency band of 5W, UHF and does not exceed 4W. The communication distance can reach 5 kilometers in open area without obstacles. The system is suitable for communication among mobile personnel in various occasions at close distance. In recent years, a public network interphone or a national interphone is provided, which is different from a traditional interphone, can break through the limitation of distance, and can be interconnected and intercommunicated nationwide as long as both sides have networks.
The public network interphone breaks through the limitation on the distance relative to the traditional interphone, but because the traditional interphone is not influenced by the network state, the traditional interphone is more stable relative to the signal transmission of the public network interphone, the traditional interphone does not pass through the relay of the base station during the signal transmission relative to the public network interphone, the transmission is faster, the delay time is shorter, and the network cost cannot be generated, therefore, some interphones with double modes appear on the market, and the interphone which can be made by switching the traditional mode and the public network mode can integrate the advantages of the traditional interphone relative to the public network interphone.
However, harmonic signals sent by the traditional mode are easily blocked by obstacles, so that the communication distance is greatly shortened, the communication distance is easily exceeded in the using process, communication interruption is caused, users cannot easily perceive the harmonic signals, the harmonic signals are difficult to be switched into a public network mode to continue communication in time, and the situations of untimely communication, communication interruption and the like are caused.
SUMMERY OF THE UTILITY MODEL
Therefore, a dual-transmitter interphone system is needed to be provided, and the technical problems that communication interruption is caused because a dual-mode interphone easily exceeds a communication distance in a traditional mode using process, a user is not easy to perceive the dual-mode interphone, and the dual-mode interphone is difficult to switch to a public network mode to continue communication in time, so that communication is not in time and communication interruption is caused are solved.
In order to achieve the above object, the inventor provides a dual-transmitter interphone system, which includes a control module, a dual-transmitter module, a dual-receiver module, a speaker module and a receiver module;
the dual-transmission module is connected with the control module and comprises a frequency modulation transmission unit, a public network transmission unit and a signal conversion unit, the signal conversion unit is connected with the control module, the frequency modulation transmission unit is connected with the signal conversion unit, the public network transmission unit is connected with the signal conversion unit, and the signal conversion unit is used for simultaneously converting output signals of the control module into frequency modulation signals and network signals;
the double receiving module is connected with the control module and comprises a frequency modulation receiving unit, a public network receiving unit and a priority selection unit, the priority selection unit is connected with the control module and is connected with the priority selection unit, the public network receiving unit is connected with the priority selection unit, and the priority selection unit is used for comparing the signal receiving speeds of frequency modulation signals and network signals and transmitting signals arriving firstly to the control module;
the loudspeaker module and the telephone receiving module are respectively connected with the control module.
As an optimized structure of the utility model, two intercom systems still include display module, display module includes display circuit and display, display circuit is connected with the control module electricity, the display is connected with the display circuit electricity.
As a preferred structure of the utility model, the display module still includes the text conversion unit, the text conversion unit is connected with control module, the text conversion unit is connected with the display.
As a preferred structure of the utility model, two receiving module still include frequency modulation antenna and network antenna, the frequency modulation antenna with frequency modulation emission unit line is connected, public network emission unit with network antenna is connected.
As an optimized structure of the utility model, the dual-purpose interphone system further comprises a positioning module, which is connected with the control module.
Different from the prior art, the technical scheme provides a dual-transmission interphone system, which comprises a control module, a dual-transmission module, a dual-receiving module, a loudspeaking module and a receiving module, wherein the dual-transmission module comprises a frequency modulation transmission unit, a public network transmission unit and a signal conversion unit, and the dual-receiving module comprises a frequency modulation receiving unit, a public network receiving unit and a preference unit.
When the dual-transmission interphone works, the control module of the dual-transmission interphone system receives the sound signal of the receiving module and transmits the sound signal to the signal conversion unit of the dual-transmission module, and the signal conversion unit simultaneously converts the output signal of the control module into a frequency modulation signal and a network signal and respectively transmits the frequency modulation signal and the network signal to the frequency modulation transmission unit and the public network transmission unit for transmission. Within the signal receiving range of the frequency modulation receiving unit, the frequency modulation receiving unit and the public network receiving unit of the double receiving module receive frequency modulation signals and network signals in sequence, the frequency modulation receiving unit receives communication signals before the public network receiving unit and transmits the communication signals to the priority selection unit, the priority selection unit selectively receives the frequency modulation signals and closes a network signal receiving channel, and finally the priority selection unit transmits the frequency modulation signals to the control module which controls the loudspeaker module to produce sound. When the frequency modulation signal is shielded or the signal receiving range of the frequency modulation receiving unit is out, the public network receiving unit receives a communication signal before the frequency modulation receiving unit and transmits the communication signal to the priority selection unit, the priority selection unit selects to receive the public network signal and closes the frequency modulation signal receiving channel, finally, the priority selection unit transmits the public network signal to the control module, and the control module controls the loud-speaking module to sound.
The dual-transmitter interphone system simultaneously transmits the frequency modulation signal and the network signal and automatically selects and receives the frequency modulation signal and the network signal through the dual-receiver module, a user does not need to manually switch modes in the use process, the network signal can still be received after the frequency modulation communication range is exceeded, communication interruption is avoided, normal communication in a small range can be ensured when the network communication range is exceeded, the user does not need to pay attention to the signal state all the time to adjust, the working intensity of the user can be reduced, and the stability of communication can be ensured.
In order to achieve the above object, the inventor further provides a dual-transmitter interphone, which comprises a casing, a PTT key and the dual-transmitter interphone system, wherein the control module, the dual-transmitter module, the dual-receiver module, the speaker module and the receiver module are installed inside the casing, the casing is provided with the PTT key, and the PTT key is connected with the control module.
As an optimized structure of the utility model, the dual-purpose interphone further comprises a frequency modulation knob and a sound knob, the frequency modulation knob and the sound knob are installed on the shell.
As an optimized structure of the utility model, the dual-purpose interphone further comprises a card slot, the card slot is arranged on the shell.
As an optimized structure of the utility model, the dual-purpose interphone further comprises a belt clip, the belt clip can be detachably connected to the back of the shell.
Different from the prior art, the technical scheme provides a dual-transmitter interphone, which comprises a shell, a PTT key and the dual-transmitter interphone system, wherein the control module, the dual-transmitter module, the dual-receiver module, the speaker module and the receiver module are arranged inside the shell, the shell is provided with the PTT key, and the PTT key is connected with the control module.
When the dual-transmission interphone works, the control module of the dual-transmission interphone receives the sound signal of the receiving module and transmits the sound signal to the signal conversion unit of the dual-transmission module, and the signal conversion unit simultaneously converts the output signal of the control module into a frequency modulation signal and a network signal and respectively transmits the frequency modulation signal and the network signal to the frequency modulation transmission unit and the public network transmission unit for transmission. Within the signal receiving range of the frequency modulation receiving unit, the frequency modulation receiving unit and the public network receiving unit of the double receiving module receive frequency modulation signals and network signals in sequence, the frequency modulation receiving unit receives communication signals before the public network receiving unit and transmits the communication signals to the priority selection unit, the priority selection unit selectively receives the frequency modulation signals and closes a network signal receiving channel, and finally the priority selection unit transmits the frequency modulation signals to the control module which controls the loudspeaker module to produce sound. When the frequency modulation signal is shielded or the signal receiving range of the frequency modulation receiving unit is out, the public network receiving unit receives a communication signal before the frequency modulation receiving unit and transmits the communication signal to the priority selection unit, the priority selection unit selects to receive the public network signal and closes the frequency modulation signal receiving channel, finally, the priority selection unit transmits the public network signal to the control module, and the control module controls the loud-speaking module to sound.
The dual-purpose interphone can simultaneously transmit frequency modulation signals and network signals and automatically select and receive the signals through the dual receiving modules, a user does not need to manually switch modes in the using process, the network signals can still be received after exceeding a frequency modulation communication range, communication interruption can not be caused, normal communication in a small range can be ensured when exceeding a network communication range, the user does not need to pay attention to the signal state all the time to adjust, the working intensity of the user can be reduced, and the stability of communication can be ensured.
Drawings
FIG. 1 is a schematic structural diagram of a dual-transmitter intercom system according to an embodiment;
FIG. 2 is a schematic structural diagram of a dual-speaker intercom system according to an embodiment;
fig. 3 is a schematic structural diagram of a dual-purpose intercom according to the specific embodiment.
Description of reference numerals:
10. a control module;
20. a dual transmit module;
21. a signal conversion unit; 22. a frequency modulation transmitting unit; 23. a public network transmitting unit;
30. a dual receiving module;
31. a preference selection unit; 32. a frequency modulation receiving unit; 33. a public network receiving unit;
34. a frequency modulated antenna; 35. a network antenna;
40. a speaker module;
50. a telephone receiving module;
60. a display;
70. a housing;
71. a PTT key; 72. a frequency modulation knob; 73. an indicator light; 74. and a power switch.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described with reference to the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
Referring to fig. 1, the present embodiment relates to a dual-transmitter intercom system, which includes a control module 10, a dual-transmitter module 20, a dual-receiver module 30, a speaker module 40, and a receiver module 50.
As shown in fig. 2, the dual transmission module 20 is connected to the control module 10, the dual transmission module 20 includes a frequency modulation transmission unit 22, a public network transmission unit 3 and a signal conversion unit 21, the signal conversion unit 21 is connected to the control module 10, the frequency modulation transmission unit 22 is connected to the signal conversion unit 21, the public network transmission unit 3 is connected to the signal conversion unit 21, and the signal conversion unit 21 is configured to convert an output signal of the control module 10 into a frequency modulation signal and a network signal at the same time. Specifically, when the fm transmitter unit 22 is digital fm transmitter, the signal converter unit 21 includes a low frequency analog-to-digital converter, a digital signal processor, a baseband chip, and a high frequency digital-to-analog converter, the fm transmitter unit 22 includes a radio frequency transmitter and a fm antenna 34, and the public network transmitter unit 3 includes a radio frequency chip and a network antenna 35. The controller of the control module 10 receives the receiver sound signal of the receiver module 50 and converts the receiver sound signal into an analog signal, the control module 10 transmits the analog signal to the signal conversion unit 21 and controls the signal conversion unit 21 to perform signal conversion, the low-frequency analog-to-digital converter of the signal conversion unit 21 converts the analog signal from the control module 10 into a digital signal, and the low-frequency analog-to-digital converter transmits the digital signal to the digital signal processor and the baseband chip respectively. The signal processor encodes, encrypts and modulates the digital signal and sends it to the fm transmitter unit 22, and the rf transmitter of the fm transmitter unit 22 sends the signal out through the fm antenna 34. Meanwhile, the baseband chip compresses, codes, encrypts and modulates the digital signal, and then converts the digital signal into a high-frequency analog signal through a high-frequency digital-to-analog converter, and finally transmits the high-frequency analog signal to the radio frequency chip of the public network transmitting unit 3 through the network antenna 35. And finally, the simultaneous transmission of the double signals is realized.
The dual receiving module 30 is connected with the control module 10, the dual receiving module 30 includes a frequency modulation receiving unit 32, a public network receiving unit 33 and a priority selecting unit 31, the priority selecting unit 31 is connected with the control module 10, the frequency modulation receiving unit 32 is connected with the priority selecting unit 31, the public network receiving unit 33 is connected with the priority selecting unit 31, and the priority selecting unit 31 is used for comparing the signal receiving speeds of the frequency modulation signal and the network signal and transmitting the signal arriving first to the control module 10. Within the signal receiving range of the fm receiving unit 32, the fm receiving unit 32 and the public network receiving unit 33 of the dual receiving module 30 receive the fm signal and the network signal in sequence, because the fm receiving unit 32 receives the communication signal before the public network receiving unit 33 and transmits the communication signal to the priority selecting unit 31, the priority selecting unit 31 selects to receive the fm signal and closes the network signal receiving channel, finally, the priority selecting unit 31 transmits the fm signal to the control module 10, and the control module 10 controls the speaker module 40 to emit sound. When the frequency modulation signal is out of the signal receiving range of the frequency modulation receiving unit 32 or the frequency modulation signal is blocked, the public network receiving unit 33 receives the communication signal before the frequency modulation receiving unit 32 and transmits the communication signal to the priority selecting unit 31, the priority selecting unit 31 selects to receive the public network signal and close the frequency modulation signal receiving channel, finally, the priority selecting unit 31 transmits the public network signal to the control module 10, and the control module 10 controls the speaker module 40 to emit sound.
The dual-transmitter interphone system can simultaneously transmit the frequency modulation signal and the network signal and automatically select to receive the frequency modulation signal and the network signal through the dual-receiving module 30, a user does not need to manually switch modes in the using process, the network signal can still be received after the frequency modulation communication range is exceeded, communication interruption can not be caused, normal communication in a small range can be ensured when the network communication range is exceeded, the user does not need to pay attention to the signal state all the time to adjust, the working intensity of the user can be reduced, and the stability of communication can be ensured.
Further, the dual-transmitter interphone system further comprises a display module, the display module comprises a display circuit and a display 60, the display circuit is electrically connected with the control module 10, and the display 60 is electrically connected with the display circuit. The display module is used for displaying the current signal strength and communication state, can display the network communication distance when carrying out long-distance communication, and can temporarily close the frequency modulation transmitting unit 22 or the public network transmitting unit 3 when not using the dual-transmission mode, so as to reduce the power consumption of the system and display the channel state through the display 60. Further, the display module further comprises a text conversion unit, the text conversion unit is connected with the control module 10, the text conversion unit is connected with the display 60, when the dual-interphone system is used in a noisy environment and a user cannot hear contents clearly, the text conversion unit can be started, voice contents are identified and converted into texts, the user can conveniently determine conversation contents, and meanwhile, the user can conveniently use the system by people with hearing disorder.
Further, the dual receiving module 30 further includes a frequency modulation antenna 34 and a network antenna 35, the frequency modulation antenna 34 is connected to the frequency modulation transmitting unit 22, the public network transmitting unit 3 is connected to the network antenna 35, and dual antenna receiving is adopted, so that it is ensured that signals received by the frequency modulation receiving unit 32 and the public network receiving unit 33 do not interfere with each other, and a stable receiving state is ensured.
Furthermore, the dual-transmitter interphone system further comprises a positioning module, and the positioning module is connected with the control module 10. The positioning module is used for positioning the position of a user, and can position the position of trapped personnel in the emergency and rescue processes, or can carry out task arrangement according to the position of the user in various cluster tasks.
In some other embodiments, the inventor further provides a dual-transmitter interphone, as shown in fig. 3, which includes a housing 70, a PTT key 71 and the dual-transmitter interphone system, wherein the control module 10, the dual-transmitter module 20, the dual-receiver module 30, the speaker module 40 and the receiver module 50 are installed inside the housing 70, the PTT key 71 is disposed on the housing 70, and the PTT key 71 is connected to the control module 10.
The casing 70 of the dual-purpose interphone is made of plastic materials PC + ABS with good performance, the appearance gloss is good, aging and abrasion are not prone to occurring, the product is firm and durable, and the PTT key 71 is made of silica gel, abrasion and abrasion are resistant, aging is not prone to occurring, and the hand feeling is good. In addition, the earphone and the power supply jack plug are also included. The PTT button plays the role of a transmitting switch and is arranged on the side surface of the interphone. The indicator lamp 73 indicates the operating state and is disposed on the upper portion of the interphone. The top of the intercom also has a volume/on/off button and a fm knob 72 (select channel), fm knob 72 being located on the top of housing 70. The LCD part visually displays the working state of the interphone. The side is also provided with a power switch 74 for easy opening and closing. The dual-purpose interphone further comprises a belt clamp which is detachably connected to the back of the shell 70 and is convenient to hang, take and place.
Further, the dual-transmitter interphone further comprises a card slot, and the card slot is arranged on the side face of the shell 70, so that the SIM card is convenient to detach and replace.
It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a two intercom systems which characterized in that: the system comprises a control module, a double-transmitting module, a double-receiving module, a loudspeaking module and a telephone receiving module;
the dual-transmission module is connected with the control module and comprises a frequency modulation transmission unit, a public network transmission unit and a signal conversion unit, the signal conversion unit is connected with the control module, the frequency modulation transmission unit is connected with the signal conversion unit, the public network transmission unit is connected with the signal conversion unit, and the signal conversion unit is used for simultaneously converting output signals of the control module into frequency modulation signals and network signals;
the double receiving module is connected with the control module and comprises a frequency modulation receiving unit, a public network receiving unit and a priority selection unit, the priority selection unit is connected with the control module and is connected with the priority selection unit, the public network receiving unit is connected with the priority selection unit, and the priority selection unit is used for comparing the signal receiving speeds of frequency modulation signals and network signals and transmitting signals arriving firstly to the control module;
the loudspeaker module and the telephone receiving module are respectively connected with the control module.
2. The dual-transmitter interphone system of claim 1, characterized in that: the dual-transmitter interphone system further comprises a display module, the display module comprises a display circuit and a displayer, the display circuit is electrically connected with the control module, and the displayer is electrically connected with the display circuit.
3. The dual-transmitter interphone system of claim 2, characterized in that: the display module further comprises a text conversion unit, the text conversion unit is connected with the control module, and the text conversion unit is connected with the display.
4. The dual-transmitter interphone system of claim 1, characterized in that: the dual-receiving module further comprises a frequency modulation antenna and a network antenna, the frequency modulation antenna is connected with the frequency modulation transmitting unit, and the public network transmitting unit is connected with the network antenna.
5. The dual-transmitter interphone system of claim 1, characterized in that: the dual-transmitter interphone system further comprises a positioning module, and the positioning module is connected with the control module.
6. The utility model provides a two interphones which characterized in that: the dual-transmitter interphone system comprises a shell, a PTT key and any one of claims 1 to 4, wherein the control module, the dual-transmitter module, the dual-receiver module, the speaker module and the receiver module are arranged in the shell, the PTT key is arranged on the shell, and the PTT key is connected with the control module.
7. The dual-transmitter interphone according to claim 6, characterized in that: the dual-purpose interphone further comprises a frequency modulation knob and a sound knob, and the frequency modulation knob and the sound knob are installed on the shell.
8. The dual-transmitter interphone according to claim 6, characterized in that: the dual-transmitter interphone further comprises a card slot, and the card slot is arranged on the shell.
9. The dual-transmitter interphone according to claim 6, characterized in that: the dual-purpose interphone further comprises a belt clip, and the belt clip is detachably connected to the back of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021129498.9U CN212278386U (en) | 2020-06-17 | 2020-06-17 | Two intercom systems and intercom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021129498.9U CN212278386U (en) | 2020-06-17 | 2020-06-17 | Two intercom systems and intercom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212278386U true CN212278386U (en) | 2021-01-01 |
Family
ID=73881311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021129498.9U Expired - Fee Related CN212278386U (en) | 2020-06-17 | 2020-06-17 | Two intercom systems and intercom |
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| Country | Link |
|---|---|
| CN (1) | CN212278386U (en) |
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2020
- 2020-06-17 CN CN202021129498.9U patent/CN212278386U/en not_active Expired - Fee Related
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Granted publication date: 20210101 |