CN208956043U - A kind of new Hilbert's type inequality intercom based on 4G - Google Patents
A kind of new Hilbert's type inequality intercom based on 4G Download PDFInfo
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- CN208956043U CN208956043U CN201822124356.2U CN201822124356U CN208956043U CN 208956043 U CN208956043 U CN 208956043U CN 201822124356 U CN201822124356 U CN 201822124356U CN 208956043 U CN208956043 U CN 208956043U
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Abstract
The utility model relates to a kind of new Hilbert's type inequality intercom based on 4G, including mainboard, and the processing module, PTT module, loudspeaker module, microphone module, LCD display module, earphone interface, power management module and the SIM card module that are arranged on mainboard；The processing module includes LTE chip and baseband chip, and the baseband chip is connected to LTE chip；The microphone module loudspeaker and sound equipment power amplifier, the loudspeaker are connected to LTE chip by sound equipment power amplifier, and the port HP and the port AUDIO_PA_SHND of the sound equipment power amplifier are connected to the 6th contact of earphone interface；The microphone module is connected to LTE chip；The LCD display module is connected to LTE chip；The PTT module includes PTT key, and one end of the PTT key is connected to the KEYOUT1 pin of LTE chip, and the other end is connected to the GPIO_PTT pin of LTE chip and the second contact of earphone interface.It avoids when earphone is inserted into, PTT key and GND short circuit cause the problem of accidentally pressing.
Description
Technical field
The utility model designs intercom technical field, in particular to a kind of new Hilbert's type inequality intercom based on 4G.
Background technique
Intercom is a kind of bidirectional mobile communication instrument, in the case where not needing any network support, so that it may it converses,
There is no telephone expenses generation, suitable for relatively fixed and frequently conversing occasion.And 4G intercom is by being led to based on 4G network
Letter, compared with traditional intercom, the communication range of 4G intercom is wider；And intercom usually has PTT (Push to Talk)
Keypress function, and in traditional intercom, when the earphone interface of earphone insertion intercom, it may cause PTT key short circuit, and
The case where causing PTT key accidentally to press.
Utility model content
For this reason, it may be necessary to provide a kind of new Hilbert's type inequality intercom based on 4G, solves the PTT key when earphone is inserted into intercom and miss
By the case where occur the problem of.
To achieve the above object, a kind of new Hilbert's type inequality intercom based on 4G, including mainboard, and setting are inventor provided
Processing module, PTT module on mainboard, loudspeaker module, microphone module, LCD display module, earphone interface, power supply pipe
Manage module and SIM card module；
The processing module includes LTE chip and baseband chip, and the baseband chip is connected to LTE chip；
The microphone module loudspeaker and sound equipment power amplifier, the loudspeaker are connected by sound equipment power amplifier
In LTE chip, the port HP and the port AUDIO_PA_SHND of the sound equipment power amplifier are connected to the 6th touching of earphone interface
Point；
The microphone module is connected to LTE chip；
The LCD display module is connected to LTE chip；
The SIM card module is connected to LTE module；
The PTT module includes PTT key, and one end of the PTT key is connected to the KEYOUT1 pin of LTE chip, separately
One end is connected to the GPIO_PTT pin of LTE chip and the second contact of earphone interface；
The power management module is connected to processing module, loudspeaker module.
It advanced optimizes, the earphone interface further includes that resistance R1 and resistance R60, one end of the resistance RI are connected to ear
Second contact of machine interface, the other end are connected to the VDDIO_1V8 interface of LTE chip；
One end of the resistance R60 is connected to the third contact of earphone interface, and the other end is connected to the VDDIO_ of LTE chip
1V8 interface.
It advanced optimizes, the microphone module includes main microphon and noise reduction microphone, the main microphon and noise reduction
Microphone is connected to LRT chip, and the front of mainboard is arranged in the main microphon, and the back side of mainboard is arranged in noise reduction microphone.
It advanced optimizes, further includes USB module, the USB module is connected to LTE chip and baseband chip.
It advanced optimizes, further includes state instruction lamp module, the state instruction lamp module is connected to LTE chip.
It advanced optimizes, the SIM card module includes MICRO_SIM card module and/or SIM_M2M card module.
It advanced optimizes, further includes encrypting module, the encrypting module is connected to LTE chip.
It advanced optimizes, further includes battery indicating module, the input terminal of the battery indicating module is connected to power management
Module, output end ground connection, control terminal are connected to LTE chip.
It advanced optimizes, further includes key module, the key module is connected to LTE module.
It advanced optimizes, further includes motor module, the control terminal of the motor module is connected to LTE chip.
Be different from the prior art, above-mentioned technical proposal, by by the PTT key connection in PTT module in the of earphone interface
The GPIO_PTT pin of two contacts and LTE chip connects the port HP of sound equipment power amplifier and the port AUDIO_PA_SHND
In the 6th contact of earphone interface, pass through the position for connecting the position of the PTT key connection in traditional intercom with loudspeaker
It is exchanged, i.e., changes the position PTT into SPK position, change the position SPK into PTT position, it in this way can be to avoid when earphone insertion pair
When saying the earphone interface of machine, PTT key and GND short circuit cause the problem of accidentally pressing.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the new Hilbert's type inequality intercom based on 4G described in specific embodiment
Fig. 2 is a kind of structural schematic diagram of LTE chip described in specific embodiment；
Fig. 3 is a kind of structural schematic diagram of baseband chip described in specific embodiment；
Fig. 4 is a kind of structural schematic diagram of PTT module described in specific embodiment and earphone interface；
Fig. 5 is a kind of structural schematic diagram of sound equipment power amplifier described in specific embodiment；
Fig. 6 is a kind of structural schematic diagram of loudspeaker described in specific embodiment；
Fig. 7 is a kind of structural schematic diagram of LCD display module described in specific embodiment；
Fig. 8 is a kind of structural schematic diagram of power management module described in specific embodiment；
Fig. 9 is a kind of structural schematic diagram of main microphon described in specific embodiment；
Figure 10 is a kind of structural schematic diagram of noise reduction microphone described in specific embodiment；
Figure 11 is a kind of structural schematic diagram of USB module described in specific embodiment；
Figure 12 is a kind of structural schematic diagram of MICRO_SIM card module described in specific embodiment；
Figure 13 is a kind of structural schematic diagram of SIM_M2M card module described in specific embodiment；
Figure 14 is a kind of structural schematic diagram of encrypting module described in specific embodiment；
Figure 15 is a kind of structural schematic diagram of state instruction lamp module described in specific embodiment；
Figure 16 is a kind of structural schematic diagram of battery indicating module described in specific embodiment；
Figure 17 is a kind of structural schematic diagram of key module described in specific embodiment；
Figure 18 is a kind of structural schematic diagram of motor module described in specific embodiment.
Description of symbols:
110, processing module,
120, PTT module,
130, loudspeaker module,
140, microphone module,
150, earphone interface,
160, SIM card module,
170, LCD display module,
180, USB module,
190, state instruction lamp module,
200, encrypting module.
Specific embodiment
Technology contents, construction feature, the objects and the effects for detailed description technical solution, below in conjunction with specific reality
It applies example and attached drawing is cooperated to be explained in detail.
Please refer to Fig. 1 to Fig. 8, the new Hilbert's type inequality intercom based on 4G described in the present embodiment, including processing module 110, PTT
Module 120, loudspeaker module 130, microphone module 140, LCD display module 170, earphone interface 150, power management module and
SIM card module 160；
The processing module 110 includes LTE chip and baseband chip, and the baseband chip is connected to LTE chip；
140 loudspeaker of microphone module and sound equipment power amplifier, the loudspeaker pass through sound equipment power amplifier
It is connected to LTE chip, the port HP and the port AUDIO_PA_SHND of the sound equipment power amplifier are connected to earphone interface 150
The 6th contact；
The microphone module 140 is connected to LTE chip；
The LCD display module 170 is connected to LTE chip；
The SIM card module 160 is connected to LTE module；
The PTT module 120 includes PTT key, and the KEYOUT1 that one end of the PTT key is connected to LTE chip draws
Foot, the other end are connected to the GPIO_PTT pin of LTE chip and the second contact of earphone interface 150；
The power management module is connected to processing module 110, loudspeaker module 130.
The processing module 110 of new Hilbert's type inequality intercom includes LTE chip and baseband chip, and wherein LTE chip uses
FLY480A (SC9820A) LTE chip, baseband chip use the baseband chip of SC2342, can by LTE chip and baseband chip
It, can be with by microphone module 140 and loudspeaker module 130 to realize that intercom is based on 4G network communication and GPS positioning function
It realizes voice broadcasting and voice communication, information inspection may be implemented by LCD display module 170, it can by SIM card module 160
To realize that SIM card is inserted into, realizes and connected network communication is carried out by SIM card, may be implemented by power management module to processing module
110, the power supply of loudspeaker and modules is supplied.As shown in figure 4, earphone interface 150 is the interface J2 in Fig. 4, by by PTT
PTT in module 120 is keyed in the second contact of earphone interface 150 and the GPIO_PTT pin of LTE chip, by sound equipment power
The port HP and the port AUDIO_PA_SHND of amplifier are connected to the 6th contact of earphone interface 150, by by traditional intercom
In the position that is connect with loudspeaker of position of PTT key connection exchanged, i.e., the position PTT is changed into SPK position, by SPK
Position changes the position PTT into, in this way can be to avoid when the earphone interface 150 of earphone insertion intercom, and PTT key and GND short circuit are made
The problem of at accidentally pressing.
Wherein, it further avoids causing the problem of accidentally pressing, the earphone interface 150 due to the short circuit between PTT key and MIC
It further include that one end of resistance R1 and resistance R60, the resistance RI is connected to the second contact of earphone interface 150, other end connection
In the VDDIO_1V8 interface of LTE chip；One end of the resistance R60 is connected to the third contact of earphone interface 150, the other end
It is connected to the VDDIO_1V8 interface of LTE chip；By the way that resistance R1 in earphone interface 150 is changed from the weak pull-up of original 10K Ω
At 300 ohm of strong pull-up, while 300 ohm of pull-up will be carried out at resistance R60, can prevent from being inserted into due to earphone when
It waits, PTT key and MIC short circuit cause the problem of accidentally pressing.
Fig. 9 to Figure 10 is please referred to, in the present embodiment, in order to remove the noise of ambient enviroment, the microphone module 140
Including main microphon and noise reduction microphone, the main microphon and noise reduction microphone are connected to LRT chip, and the main microphon is set
It sets in the front of mainboard, the back side of mainboard is arranged in noise reduction microphone.By the way that main microphon and noise reduction microphone are respectively set
In the different sides of intercommunication mainboard, and the opposite position of 180 degree is formed, passes through hardware adjustment main microphon and noise reduction microphone
Sensitivity, the adjusting thresholds by the sensitivity of noise reduction microphone are the range for needing rejection frequency, while adjusting main microphon
The range of sensitivity can achieve the effect that noise filters out.Relative to traditional intercom, only one microphone input is easy to make
The case where being passed to other side together at the ambient noise of surrounding and the sound of needs, other side caused obviously to hear noise, and pass through
Increase the design that a noise reduction microphone forms two microphones, noise reduction is realized by way of hardware, reaches what noise filtered out
Effect.
It please refers to Figure 11, further includes USB module in order to which the module upgrade to processing module 110 may be implemented in embodiment
180, the USB module 180 is connected to LTE chip and baseband chip.LTE chip and base are connected to by the way that USB module 180 is arranged
Microarray strip can be realized the module update to LTE chip and baseband chip by USB module 180.
Figure 12 to Figure 13 is please referred to, in the present embodiment, in order to support the use of different SIM card, the SIM card mould
Block 160 includes MICRO_SIM card module 160 and/or SIM_M2M card module.SIM card module 160 can wherein be can be set
For the MICRO_SIM card module 160 for only supporting MICRO_SIM card, or only support the SIM_M2M card module of SIM_M2M card, or
The double SIM card module 160 that can support MICRO_SIM card module 160 and SIM_M2M card module simultaneously, can satisfy different SIM
Card realizes connected network communication.
Figure 14 is please referred to, further includes encrypting module 200, the encryption to guarantee the safety of data in the present embodiment
Module 200 is connected to LTE chip.Transmit data by encrypting module 200 and encrypt, it is ensured that data transmission
Safety.
Figure 15 is please referred to, further includes status indicator lamp to realize the prompting of intercom working condition in the present embodiment
Module 190, the state instruction lamp module 190 are connected to LTE chip.It is carried out by state instruction lamp module 190 to intercom
Working condition reminded, when intercom work when, such as carry out talking state when, then it is green in illuminating state indicator light
Lamp, and when intercom does not work, such as standby state, the then red light in illuminating state indicating lamp module 190, Ke Yishi
Now to the prompting of intercom working condition.
Figure 16 is please referred to, further includes battery instruction mould to will be seen that the use state of battery in the present embodiment
Block, the input terminal of the battery indicating module are connected to power management module, output end ground connection, and control terminal is connected to LTE chip.
The use state that will be seen that battery in power management module by battery indicating module, if whether electricity reaches critical value, such as
Whether battery charging has been completed, and can be convenient the use state of electrolytic cell.
Figure 17 is please referred to, further includes key module to realize the data point reuse of intercom in the present embodiment, it is described
Key module is connected to LTE module.By setting button module, the data tune to intercom can be realized by key
It is whole, such as the adjustment of volume control, such as sensitivity of microphone.
Figure 18 is please referred to, in the present embodiment, the rotation of control display screen is also carried out in usual intercom by motor, is
Facilitate control motor to carry out the rotation of driving display screen, further includes motor module, the control terminal of the motor module is connected to
LTE chip.The rotation that motor can be wherein controlled by motor module, realizes the rotation for passing through motor driving display screen.
It should be noted that being not intended to limit although the various embodiments described above have been described herein
The scope of patent protection of the utility model.Therefore, based on the innovative idea of the utility model, embodiment described herein is carried out
Change and modification or equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, directly
Or above technical scheme is used in other related technical areas indirectly, it is included in the protection model of the utility model patent
Within enclosing.
Claims (10)
1. a kind of new Hilbert's type inequality intercom based on 4G, which is characterized in that including mainboard, and be arranged on mainboard processing module,
PTT module, loudspeaker module, microphone module, LCD display module, earphone interface, power management module and SIM card module；
The processing module includes LTE chip and baseband chip, and the baseband chip is connected to LTE chip；
The microphone module loudspeaker and sound equipment power amplifier, the loudspeaker are connected to by sound equipment power amplifier
LTE chip, the port HP and the port AUDIO_PA_SHND of the sound equipment power amplifier are connected to the 6th touching of earphone interface
Point；
The microphone module is connected to LTE chip；
The LCD display module is connected to LTE chip；
The SIM card module is connected to LTE module；
The PTT module includes PTT key, and one end of the PTT key is connected to the KEYOUT1 pin of LTE chip, the other end
It is connected to the GPIO_PTT pin of LTE chip and the second contact of earphone interface；
The power management module is connected to processing module, loudspeaker module.
2. the new Hilbert's type inequality intercom based on 4G according to claim 1, which is characterized in that the earphone interface further includes electricity
One end of resistance R1 and resistance R60, the resistance RI are connected to the second contact of earphone interface, and the other end is connected to LTE chip
VDDIO_1V8 interface；
One end of the resistance R60 is connected to the third contact of earphone interface, and the other end is connected to the VDDIO_1V8 of LTE chip
Interface.
3. the new Hilbert's type inequality intercom based on 4G according to claim 1, which is characterized in that the microphone module includes master
Microphone and noise reduction microphone, the main microphon and noise reduction microphone are connected to LRT chip, and the main microphon is arranged in master
The back side of mainboard is arranged in the front of plate, noise reduction microphone.
4. the new Hilbert's type inequality intercom based on 4G according to claim 1, which is characterized in that it further include USB module, the USB
Module is connected to LTE chip and baseband chip.
5. the new Hilbert's type inequality intercom based on 4G according to claim 1, which is characterized in that it further include state instruction lamp module,
The state instruction lamp module is connected to LTE chip.
6. the new Hilbert's type inequality intercom based on 4G according to claim 1, which is characterized in that the SIM card module includes
MICRO_SIM card module and/or SIM_M2M card module.
7. the new Hilbert's type inequality intercom based on 4G according to claim 1, which is characterized in that it further include encrypting module, it is described to add
Close module is connected to LTE chip.
8. the new Hilbert's type inequality intercom based on 4G according to claim 1, which is characterized in that further include battery indicating module, institute
The input terminal for stating battery indicating module is connected to power management module, output end ground connection, and control terminal is connected to LTE chip.
9. the new Hilbert's type inequality intercom based on 4G according to claim 1, which is characterized in that it further include key module, it is described to press
Key module is connected to LTE module.
10. the new Hilbert's type inequality intercom based on 4G according to claim 1, which is characterized in that it further include motor module, it is described
The control terminal of motor module is connected to LTE chip.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822124356.2U CN208956043U (en) | 2018-12-18 | 2018-12-18 | A kind of new Hilbert's type inequality intercom based on 4G |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822124356.2U CN208956043U (en) | 2018-12-18 | 2018-12-18 | A kind of new Hilbert's type inequality intercom based on 4G |
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| CN208956043U true CN208956043U (en) | 2019-06-07 |
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