CN111163448A - Interphone system and using method thereof - Google Patents
Interphone system and using method thereof Download PDFInfo
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- CN111163448A CN111163448A CN201911346788.0A CN201911346788A CN111163448A CN 111163448 A CN111163448 A CN 111163448A CN 201911346788 A CN201911346788 A CN 201911346788A CN 111163448 A CN111163448 A CN 111163448A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
- H04W4/10—Push-to-Talk [PTT] or Push-On-Call services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/48—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for in-vehicle communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0248—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal dependent on the time of the day, e.g. according to expected transmission activity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
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Abstract
The invention provides an interphone system which comprises an interphone, a Bluetooth module, a Bluetooth PTT and Bluetooth equipment, wherein the interphone comprises a microprocessor, an audio channel connected with the microprocessor, a Bluetooth module interface respectively connected with the microprocessor and the audio channel, and a transmitting module connected with the audio channel, the Bluetooth PTT and the Bluetooth equipment can be adaptively connected with the Bluetooth module, the Bluetooth module works in a master mode, and the Bluetooth PTT and the Bluetooth equipment work in a slave mode; the Bluetooth PTT is used for controlling the emission of the interphone, and the Bluetooth equipment is used for collecting the voice signal to be sent and playing the received voice signal. The invention also provides a using method of the interphone system. The invention ensures that the user can complete the conversation without holding the interphone by hands and does not need to press the Bluetooth PTT all the time, thereby avoiding the loss of voice signals as much as possible and improving the satisfaction degree of user experience.
Description
Technical Field
The invention relates to an interphone system and a using method thereof.
Background
The interphone is used as a two-way mobile communication tool, is widely applied to the transportation industry, self-driving travel and other activities, and can enable the command, the dispatching, the coordination and the pace to be consistent in the driving process. But the interphone needs to press the PTT voice emission key when sending voice, so that one hand is occupied, and great safety risk exists when driving.
The existing mobile phone is widely applied to the common life of Bluetooth devices such as a vehicle-mounted Bluetooth audio system and a Bluetooth headset, and is a common thing, but the interphone is connected with the Bluetooth devices such as the vehicle-mounted Bluetooth audio system and the Bluetooth headset, and the interphone and the mobile phone are connected with the Bluetooth devices, and the biggest difference of the interphone and the mobile phone is that the incoming call or the outgoing call of the mobile phone is answered by a lifter or waits for the ringtone answered by the other party as buffer time, but the interphone belongs to an instant messaging product and has the characteristic of answering once by speaking, so that the interphone can touch a series of completely different problems connected with the mobile phone after being connected with the Bluetooth devices such as the vehicle-mounted Bluetooth audio system and the Bluetooth headset: 1. the existing Bluetooth devices have different performances, and some Bluetooth devices with poor performances have the defect of slow audio channel opening, which can cause the loss of voice signals in the conversation process; 2. after the user is connected with the interphone, the user can be usually connected with the Bluetooth device to play music when the user does not talk, certainly, the voice conversation of the interphone has priority, but due to the characteristic that the interphone can listen and listen once being pressed, when an instant signal is caused by mistakenly triggering the Bluetooth PTT, the music playing is interrupted, the problem is easy to repeat, and therefore poor experience of the user can be caused; 3. in the prior art, the Bluetooth PTT is fixed on a steering wheel, and can be talkbacked after being pressed, and the talkback is finished after being released, but a driver needs to operate the steering wheel, and then presses the Bluetooth PTT, so that the driving has high danger; 4. the existing Bluetooth PTT is provided with a built-in lithium battery, the capacity is small, in order to save electricity, the Bluetooth PTT can be put into sleep after the conversation is finished, but the Bluetooth PTT in the sleep state needs a certain time to be started again, and the voice signal is easy to lose; 5. during conversation, the interphone needs to be held by hands.
Disclosure of Invention
The invention aims to provide an interphone system and a using method thereof aiming at the defects of the prior art, a user can complete conversation without holding the interphone by hand and also does not need to press the Bluetooth PTT all the time, so that the loss of voice signals can be avoided as much as possible, and the satisfaction degree of user experience is improved.
The invention is realized by the following technical scheme:
an interphone system comprises an interphone, a Bluetooth module, a Bluetooth PTT and Bluetooth equipment, wherein the interphone comprises a microprocessor, an audio channel connected with the microprocessor and a Bluetooth module interface respectively connected with the microprocessor and the audio channel, the Bluetooth PTT and the Bluetooth equipment can be in adaptive connection with the Bluetooth module, the Bluetooth module works in a master mode, and the Bluetooth PTT and the Bluetooth equipment work in a slave mode; the Bluetooth PTT is used for controlling the emission of the interphone, and the Bluetooth equipment is used for collecting the voice signal to be sent and playing the received voice signal;
the microprocessor is provided with a link holding time t1, and after the call is finished, the microprocessor controls the audio channel to be continuously opened for a time t1 and then closed;
the microprocessor is provided with a link delay time t2, and after receiving the voice signal, the microprocessor delays the time t2 and then controls the audio channel to be opened to play the voice signal;
the microprocessor is provided with PTT sleep time t3, after the use of the Bluetooth PTT is finished and the time length t3 is prolonged, the Bluetooth PTT enters a sleep state;
the microprocessor is provided with a PTT short-press mode, in the mode, when the microprocessor detects that the Bluetooth PTT is short-pressed, the microprocessor controls the interphone to start to transmit and keep in a transmitting state, and when the microprocessor detects that the Bluetooth PTT is short-pressed again, the microprocessor ends a transmitting state.
Further, the link-hold duration t1 may be set as: off, 1 second, 2 seconds, 3 seconds, 4 seconds, 5 seconds, 6 seconds, 7 seconds, 8 seconds, 9 seconds, 10 seconds, 11 seconds, 12 seconds, 13 seconds, 14 seconds, 15 seconds, 16 seconds, 17 seconds, 18 seconds, 19 seconds, 20 seconds, 21 seconds, 22 seconds, 23 seconds, 24 seconds, 25 seconds, 26 seconds, 27 seconds, 28 seconds, 29 seconds, 30 seconds, 60 seconds, 120 seconds, or infinite.
Further, the link delay time duration t2 may be set as: off, 1 second, 2 seconds, 3 seconds, 4 seconds, 5 seconds, 6 seconds, 7 seconds, 8 seconds, 9 seconds, or 10 seconds.
Further, the PTT sleep time t3 may be set to be after the end of the bluetooth PTT usage: off, 1 minute, 2 minutes, 3 minutes, or 4 minutes.
Furthermore, the Bluetooth module interface comprises a first data interface connected with the communication end of the microprocessor and a first audio interface connected with the audio channel, the Bluetooth module comprises a dual-mode Bluetooth module, a selector switch and an interphone interface, the selector switch is connected with the audio input/output end of the dual-mode Bluetooth module so that the dual-mode Bluetooth module can be switched between input and output, the interphone interface comprises a second data interface connected with the communication end of the dual-mode Bluetooth module and a second audio interface connected with the selector switch, the first data interface and the second data interface are in butt joint, and the first audio interface and the second audio interface are in butt joint.
Furthermore, the bluetooth PTT comprises a bluetooth low energy module and a second key module connected with the bluetooth low energy module.
Furthermore, the bluetooth device comprises a bluetooth headset or a vehicle-mounted bluetooth system, and the bluetooth headset or the vehicle-mounted bluetooth system is provided with a microphone and a loudspeaker.
Furthermore, the interphone further comprises a first key module, a display module and a storage module which are connected with the microprocessor, and a transmitting module and a receiving module which are respectively connected with the audio channel.
Further, the microprocessor is of a type GD32F303VGT 6.
The invention is also realized by the following technical scheme:
a using method of a vehicle-mounted interphone system comprises the following steps:
A. the Bluetooth module is paired with the Bluetooth PTT, and the Bluetooth module is paired with the Bluetooth equipment;
B. when a voice signal is sent, the second key module of the Bluetooth PTT is pressed for a short time, the Bluetooth PTT sends the short-pressing signal to the Bluetooth module and then sequentially transmits the short-pressing signal to a microprocessor of the interphone through the second data interface and the first data interface, and the microprocessor controls the interphone to transmit and keep in a transmitting state after detecting the short-pressing signal;
C. when the sending of the voice signal is finished, the second key module of the Bluetooth PTT is pressed for a short time again, the Bluetooth PTT sends the short pressing signal to the Bluetooth module and then sequentially transmits the short pressing signal to a microprocessor of the interphone through the second data interface and the first data interface, and the microprocessor controls the interphone to stop sending after detecting the short pressing signal;
D. when receiving the voice signal, if the interphone sets a link delay time t2, the microprocessor delays the link delay time t2 and then controls the audio channel to be opened;
E. if the conversation needs to be continued, entering a step B; otherwise, entering step F;
F. after the conversation is finished, the microprocessor controls to close the output and the input of the voice signal of the audio channel, but the audio channel is continuously opened; after the audio channel continues to be opened for a link holding time t1, the microprocessor controls the audio channel to be completely closed;
G. if the Bluetooth PTT is set with the PTT sleep time t3, the Bluetooth PTT enters a sleep state after the sleep time t 3; the Bluetooth PTT can be wakened up by pressing a second key module of the Bluetooth PTT;
H. the Bluetooth module and the Bluetooth PTT are unpaired; and the Bluetooth module and the Bluetooth equipment are quitted from pairing.
The invention has the following beneficial effects:
1. according to the invention, the Bluetooth PTT and the Bluetooth equipment are respectively interconnected and intercommunicated with the interphone through the Bluetooth module, the emission of the interphone is controlled through the Bluetooth PTT, and the Bluetooth equipment is used for collecting and playing voice signals, so that a microphone and a loudspeaker of the interphone are replaced, a user can complete conversation without holding the interphone, the user experience is improved, and the driving risk caused by holding the interphone is also avoided; the link holding time t1 is set, after the call is finished, the microprocessor controls the audio channel to be continuously opened for the time t1 and then closed, and in the time t1, if the voice is received again, the voice channel does not need to be re-opened, so that the problem of voice loss caused by slow opening of the audio channel is avoided; the link delay time t2 is set, under the condition that the audio channel is closed, after the voice signals are received, the microprocessor delays the time of t2 and then controls the audio channel to be opened, so that the voice signals with the time less than t2 cannot be received, the music playing cannot be interrupted, the bad experience of a user is avoided, the shielded voice signals usually miss the sound generated by Bluetooth PTT and the like, and the normal conversation cannot be influenced after the shielded voice signals are shielded; the PTT sleep time t3 is set, the time when the Bluetooth PTT enters the sleep can be reasonably set, thus, the conversation is initiated again within the time length t3 after the conversation is finished, namely, the time for waking up the Bluetooth PTT is saved, and the voice loss caused by the time is avoided; the PTT short-press mode is set, a user can start transmission and keep in a transmission state only by short-pressing the Bluetooth PTT, and the transmission can be finished by short-pressing the Bluetooth PTT again after the talkback is finished, so that the driving danger caused by the fact that a driver presses the Bluetooth PTT all the time in the conversation process is avoided; in conclusion, the invention not only improves the safety of the driving conversation, but also improves the use satisfaction degree of the user experience.
2. The link holding time t1, the link delay time t2 and the PTT sleep time t3 are all provided with a plurality of selectable values, and a user can select corresponding values to set according to the use condition of the interphone, so that the interphone can adapt to clients with different requirements.
3. Bluetooth PTT need not to set up switch, and PTT dormancy duration t3 has arrived the back and has automatically got into the dormancy, effectively prevents that the user from leading to the length of Bluetooth PTT use because of forgetting to turn off the Bluetooth PTT power, needs frequent charging.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic block diagram of an intercom system of the present invention.
FIG. 2 is a flow chart of a method of use of the present invention.
Wherein, 1, interphone; 11. a microprocessor; 12. an audio channel; 13. a first data interface; 14. a first audio interface; 15. a transmitting module; 16. a receiving module; 17. a first key module; 18. a display module; 19. a storage module; 2. a Bluetooth module; 21. a dual-mode Bluetooth module; 22. a switch; 23. a second data interface; 24. a second audio interface; 3. bluetooth PTT; 31. a low power consumption Bluetooth module; 32. a second key module; 33. a power supply module; 4. a bluetooth device.
Detailed Description
As shown in fig. 1, the intercom system includes an intercom 1, a bluetooth module 2, a bluetooth PTT3, and a bluetooth device 4. The interphone 1 comprises a microprocessor 11, an audio channel 12, a first key module 17, a storage module 19, a display module 18, a Bluetooth module interface, a transmitting module 15 and a receiving module 16, the first key module 17 is connected with a corresponding input end of the microprocessor 11, the display module 18 is connected with a corresponding output end of the microprocessor 11, the storage module 19 is in communication connection with the microprocessor 11, the microprocessor 11 is connected with the audio channel 12 to control the on-off of the audio channel, the Bluetooth module interface is respectively connected with the microprocessor 11 and the audio channel 12, and the transmitting module 15 and the receiving module 16 are respectively connected with the audio channel 12. The audio channel 12 is used for amplifying, volume adjusting, modulating/demodulating voice signals to be transmitted or received, and its specific structure and control thereof by the microprocessor 11 are prior art.
The bluetooth module interface comprises a first data interface 13 connected with a communication end of the microprocessor 11 and a first audio interface 14 connected with the audio channel 12, the bluetooth module 2 comprises a dual-mode bluetooth module 21, a switch 22 and an interphone interface, the switch 22 is connected with an audio input/output end of the dual-mode bluetooth module 21 so that an audio port of the dual-mode bluetooth module 21 is switched between input and output, the interphone interface comprises a second data interface 23 connected with the communication end of the dual-mode bluetooth module 21 and a second audio interface 24 connected with the switch 22, the first data interface 13 is in butt joint with the second data interface 23 to transmit data (for example, the interphone 1 transmits setting data to the PTT bluetooth 3 through the interphone interface and the bluetooth module interface), and the first audio interface 14 is in butt joint with the second audio interface 24 to transmit voice signals.
Bluetooth PTT3 and Bluetooth device 4 all can be with Bluetooth module 2 adaptation connection, and Bluetooth module 2 works in the master mode, and Bluetooth PTT3 and Bluetooth device 4 work in the slave mode, when pairing, search for the matching Bluetooth PTT3 and Bluetooth device 4 and pair by Bluetooth module 2.
The Bluetooth PTT3 is installed on the steering wheel and used for controlling the emission of the interphone 1, and comprises a low-power Bluetooth module 31, a second key module 32 connected with the low-power Bluetooth module 31 and a power module 33 connected with the low-power Bluetooth module 31 for supplying power to the low-power Bluetooth module 31.
Bluetooth device 4 specifically can be bluetooth headset or on-vehicle bluetooth system, and bluetooth headset and on-vehicle bluetooth system all have microphone and loudspeaker, and bluetooth device 4 gathers the speech signal that will send through the microphone, plays received speech signal through loudspeaker.
The microprocessor 11 is provided with a link holding time t1, after the call is finished, the audio channel 12 continues to be kept in an open state, the microprocessor 11 starts timing, and when the timing time reaches t1, the microprocessor 11 controls the audio channel 12 to be completely closed; specifically, the link holding time period t1 may be set to off, 1 second, 2 seconds, 3 seconds, 4 seconds, 5 seconds, 6 seconds, 7 seconds, 8 seconds, 9 seconds, 10 seconds, 11 seconds, 12 seconds, 13 seconds, 14 seconds, 15 seconds, 16 seconds, 17 seconds, 18 seconds, 19 seconds, 20 seconds, 21 seconds, 22 seconds, 23 seconds, 24 seconds, 25 seconds, 26 seconds, 27 seconds, 28 seconds, 29 seconds, 30 seconds, 60 seconds, 120 seconds, or infinite.
The microprocessor 11 is provided with a link delay time t2, after receiving the voice signal, the microprocessor 11 starts timing, and when the timing time reaches t2, the microprocessor 11 controls the audio channel 12 to be opened to play the voice signal; specifically, the link delay time duration t2 may be set as: off, 1 second, 2 seconds, 3 seconds, 4 seconds, 5 seconds, 6 seconds, 7 seconds, 8 seconds, 9 seconds, or 10 seconds.
The microprocessor 11 is provided with PTT sleep time t3, the time of t3 is delayed after the use of the Bluetooth PTT3 is finished, and then the Bluetooth PTT3 enters a sleep state; specifically, the PTT sleep time t3 may be set to be after the end of use of bluetooth PTT 3: off, 1 minute, 2 minutes, 3 minutes, or 4 minutes.
The microprocessor 11 is provided with a PTT short-press mode in which the microprocessor 11 controls the interphone 1 to start transmission and remain in the transmission state when the microprocessor 11 detects that the bluetooth PTT3 is short-pressed, and controls the interphone 1 to finish the transmission state when it detects that the bluetooth PTT3 is short-pressed again.
During the use process, the user can enter the menu of the interphone 1 through the first key module 17 to set the link holding time t1, the link delay time t2 and the PTT sleep time t3 suitable for the user, and can perform short-time pressing operation through the second key module 32.
In the present embodiment, the microprocessor 11 has model number GD32F303VGT 6; the dual-mode bluetooth module 21 of the bluetooth module 2 adopts an ET12 dual-mode bluetooth audio module, which is internally provided with a bluetooth 4.2LE + BR/EDR dual-mode chip, existing bluetooth communication firmware and an existing audio coding and decoding chip to realize data interaction with the microprocessor 11; the low-power Bluetooth module 31 of the Bluetooth PTT3 adopts an ET06 low-power Bluetooth module, a Bluetooth SOC chip and the existing PTT link firmware are arranged in the low-power Bluetooth module, and the low-power Bluetooth module is used for realizing short-distance data wireless transmission, so that the low-power Bluetooth module can be conveniently connected with an ET12 dual-mode Bluetooth audio module.
In the present embodiment, the first key module 17 is a button key, and is connected to the microprocessor 11, and the microprocessor 11 can select the corresponding link maintaining time period t1, link delay time period t2 and PTT sleep time period t3 according to the action of the button key, which is a conventional process. The second key module 32 is a button key.
As shown in fig. 2, a method for using an intercom system includes the following steps:
A. the Bluetooth module 2 is paired with the Bluetooth PTT3, and the Bluetooth module 2 is paired with the Bluetooth device 4; the Bluetooth module 2 works in a master mode, the Bluetooth PTT3 and the Bluetooth device 4 work in a slave mode, and when pairing is carried out, the Bluetooth module 2 searches for the matched Bluetooth PTT3 and the matched Bluetooth device 4 and carries out pairing; after the pairing is successful, because the first data interface 13 of the interphone 1 is in butt joint with the second data interface 23 of the Bluetooth module 2, the interphone 1 can send setting information to the Bluetooth PTT3 through the Bluetooth module 2, for example, the MIC gain, the volume gain, the pairing PIN code and the like of the Bluetooth PTT3 are set, and the setting is convenient; after the pairing is successful, the microprocessor 11 stores the paired device related information (such as the ID and the device name) into the storage module 19, so that the user can check and pair the paired devices quickly when using the paired devices next time; after the pairing is successful, the microprocessor 11 controls the display module 18 to display a pairing success prompt message;
B. when a voice signal is sent, a button key of the Bluetooth PTT3 is pressed for a short time, the Bluetooth PTT3 sends a short-press signal to the Bluetooth module 2 and then sequentially transmits the short-press signal to the microprocessor 11 of the interphone 1 through the second data interface 23 and the first data interface 13, after the microprocessor 11 of the interphone 1 detects the short-press signal, the interphone 1 is controlled to be transmitted and kept in a transmitting state, a microphone of the Bluetooth device 4 collects the voice signal, wherein the process of sending the short-press signal to the microprocessor 11 of the interphone 1 by the Bluetooth PTT3 is the prior art;
C. when the sending of the voice signal is finished, the button key of the Bluetooth PTT3 is pressed for a short time again, the Bluetooth PTT3 sends the short-time pressing signal to the Bluetooth module 2 and then sequentially transmits the short-time pressing signal to the microprocessor 11 of the interphone 1 through the second data interface 23 and the first data interface 13, and the microprocessor 11 of the interphone 1 controls the interphone 1 to stop sending after detecting the short-time pressing signal;
D. when receiving a voice signal, if the interphone 1 sets the link delay time t2, the microprocessor 11 delays the link delay time t2 and then controls the audio channel 12 to be opened, and if the interphone 1 does not set the link delay time t2 (i.e. the link delay time t2 is set to be "off"), the microprocessor 11 directly controls the audio channel 12 to be opened;
E. if the conversation needs to be continued, entering a step B; otherwise, entering step F;
F. after the conversation is finished, if the interphone 1 sets the link holding time t1, the microprocessor 11 controls to close the output and input of the voice signal of the audio channel 12, but the audio channel 12 continues to be opened; after the audio channel 12 continues to be opened for the link holding time t1, the microprocessor 11 controls the audio channel 12 to be completely closed; if the intercom 1 does not set the link keeping time t1 (i.e. the link keeping time t1 is set to "off"), the microprocessor 11 directly controls the audio channel 12 to be completely closed after the conversation is over;
G. if the Bluetooth PTT3 is set to the PTT sleep time t3, the Bluetooth PTT3 enters a sleep state after the sleep time t 3; if the Bluetooth PTT3 does not set the PTT sleep time t3, the Bluetooth PTT3 enters a sleep state after the conversation is finished; pressing the second key module 32 of the Bluetooth PTT3 can wake up the Bluetooth PTT 3;
H. the Bluetooth module 2 is unpaired with the Bluetooth PTT 3; the bluetooth module 2 is unpaired with the bluetooth device 4.
The specific structures of the transmitting module 15, the receiving module 16, the storage module 19 and the display module 18 and the control thereof by the microprocessor 11 are the prior art. The transmission of the intercom 1 is realized by means of a transmission module 15.
The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the invention, which is defined by the appended claims and their equivalents and modifications within the scope of the description.
Claims (10)
1. An intercom system, its characterized in that: the interphone comprises a microprocessor, an audio channel connected with the microprocessor and a Bluetooth module interface respectively connected with the microprocessor and the audio channel, the Bluetooth PTT and the Bluetooth device can be in adaptive connection with the Bluetooth module, the Bluetooth module works in a master mode, and the Bluetooth PTT and the Bluetooth device work in a slave mode; the Bluetooth PTT is used for controlling the emission of the interphone, and the Bluetooth equipment is used for collecting the voice signal to be sent and playing the received voice signal;
the microprocessor is provided with a link holding time t1, and after the call is finished, the microprocessor controls the audio channel to be continuously opened for a time t1 and then closed;
the microprocessor is provided with a link delay time t2, and after receiving the voice signal, the microprocessor delays the time t2 and then controls the audio channel to be opened to play the voice signal;
the microprocessor is provided with PTT sleep time t3, after the use of the Bluetooth PTT is finished and the time length t3 is prolonged, the Bluetooth PTT enters a sleep state;
the microprocessor is provided with a PTT short-press mode, in the mode, when the microprocessor detects that the Bluetooth PTT is short-pressed, the microprocessor controls the interphone to start to transmit and keep in a transmitting state, and when the microprocessor detects that the Bluetooth PTT is short-pressed again, the microprocessor ends a transmitting state.
2. The vehicle-mounted interphone system according to claim 1, characterized in that: the link hold time t1 may be set to: off, 1 second, 2 seconds, 3 seconds, 4 seconds, 5 seconds, 6 seconds, 7 seconds, 8 seconds, 9 seconds, 10 seconds, 11 seconds, 12 seconds, 13 seconds, 14 seconds, 15 seconds, 16 seconds, 17 seconds, 18 seconds, 19 seconds, 20 seconds, 21 seconds, 22 seconds, 23 seconds, 24 seconds, 25 seconds, 26 seconds, 27 seconds, 28 seconds, 29 seconds, 30 seconds, 60 seconds, 120 seconds, or infinite.
3. The vehicle-mounted interphone system according to claim 1, characterized in that: the link delay time duration t2 may be set to: off, 1 second, 2 seconds, 3 seconds, 4 seconds, 5 seconds, 6 seconds, 7 seconds, 8 seconds, 9 seconds, or 10 seconds.
4. A vehicle-mounted interphone system according to claim 1, 2 or 3, characterized in that: the PTT sleep time t3 may be set to be after the bluetooth PTT usage is over: off, 1 minute, 2 minutes, 3 minutes, or 4 minutes.
5. A vehicle-mounted interphone system according to claim 1, 2 or 3, characterized in that: the Bluetooth module interface comprises a first data interface connected with the communication end of the microprocessor and a first audio interface connected with the audio channel, the Bluetooth module comprises a dual-mode Bluetooth module, a selector switch and an interphone interface, the selector switch is connected with the audio input/output end of the dual-mode Bluetooth module so that the dual-mode Bluetooth module can be switched between input and output, the interphone interface comprises a second data interface connected with the communication end of the dual-mode Bluetooth module and a second audio interface connected with the selector switch, the first data interface and the second data interface are in butt joint, and the first audio interface and the second audio interface are in butt joint.
6. A vehicle-mounted interphone system according to claim 1, 2 or 3, characterized in that: the Bluetooth PTT comprises a low-power Bluetooth module and a second key module connected with the low-power Bluetooth module.
7. A vehicle-mounted interphone system according to claim 1, 2 or 3, characterized in that: the Bluetooth device comprises a Bluetooth headset or a vehicle-mounted Bluetooth system, and the Bluetooth headset or the vehicle-mounted Bluetooth system is provided with a microphone and a loudspeaker.
8. A vehicle-mounted interphone system according to claim 1, 2 or 3, characterized in that: the interphone also comprises a first key module, a display module, a storage module, a transmitting module and a receiving module, wherein the first key module, the display module and the storage module are connected with the microprocessor, and the transmitting module and the receiving module are respectively connected with the audio channel.
9. A vehicle-mounted interphone system according to claim 1, 2 or 3, characterized in that: the microprocessor is of a type GD32F303VGT 6.
10. A use method of a vehicle-mounted interphone system is characterized by comprising the following steps: the method comprises the following steps:
A. the Bluetooth module is paired with the Bluetooth PTT, and the Bluetooth module is paired with the Bluetooth equipment;
B. when a voice signal is sent, the second key module of the Bluetooth PTT is pressed for a short time, the Bluetooth PTT sends the short-pressing signal to the Bluetooth module and then sequentially transmits the short-pressing signal to a microprocessor of the interphone through the second data interface and the first data interface, and the microprocessor controls the interphone to transmit and keep in a transmitting state after detecting the short-pressing signal;
C. when the sending of the voice signal is finished, the second key module of the Bluetooth PTT is pressed for a short time again, the Bluetooth PTT sends the short pressing signal to the Bluetooth module and then sequentially transmits the short pressing signal to a microprocessor of the interphone through the second data interface and the first data interface, and the microprocessor controls the interphone to stop sending after detecting the short pressing signal;
D. when receiving the voice signal, if the interphone sets a link delay time t2, the microprocessor delays the link delay time t2 and then controls the audio channel to be opened;
E. if the conversation needs to be continued, entering a step B; otherwise, entering step F;
F. after the conversation is finished, the microprocessor controls to close the output and the input of the voice signal of the audio channel, but the audio channel is continuously opened; after the audio channel continues to be opened for a link holding time t1, the microprocessor controls the audio channel to be completely closed;
G. if the Bluetooth PTT is set with the PTT sleep time t3, the Bluetooth PTT enters a sleep state after the sleep time t 3; the Bluetooth PTT can be wakened up by pressing a second key module of the Bluetooth PTT;
H. the Bluetooth module and the Bluetooth PTT are unpaired; and the Bluetooth module and the Bluetooth equipment are quitted from pairing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911346788.0A CN111163448B (en) | 2019-12-24 | 2019-12-24 | Interphone system and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN113873384A (en) * | 2021-09-28 | 2021-12-31 | 歌尔科技有限公司 | Wireless earphone, talkback method and talkback system based on wireless earphone |
| WO2024012072A1 (en) * | 2022-07-15 | 2024-01-18 | Oppo广东移动通信有限公司 | Intercom method and apparatus for earphones, bluetooth earphones, and storage medium |
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| CN111163448B (en) | 2023-06-09 |
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