CN209419865U - A kind of dual mode mobile communication terminal - Google Patents
A kind of dual mode mobile communication terminal Download PDFInfo
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- CN209419865U CN209419865U CN201920318494.6U CN201920318494U CN209419865U CN 209419865 U CN209419865 U CN 209419865U CN 201920318494 U CN201920318494 U CN 201920318494U CN 209419865 U CN209419865 U CN 209419865U
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Abstract
The utility model discloses a kind of dual mode mobile communication terminals, including mobile module, CPU, mobile phone Mike's loudspeaker module, intercom module, the mobile module, intercom module is all connect with CPU, the mobile phone Mike loudspeaker module connects mobile module, the intercom module is equipped with sending/receiving module, key control module, enabled module, power on module, 3.3V power supply module, the key control module, enabled module, power on module, 3.3V power supply module is all connect with sending/receiving module, it is described to power on module, 3.3V power supply module all connects key control module, the 3.3V power supply module, enabled module 14, which all connects, powers on module.The utility model has handset mode and intercom, is kind of a dual-mode terminal, solve no signal environment and in the environment of do not allow using mobile communication holding user communication it is uninterrupted.
Description
Technical field
The utility model relates to a kind of dual mode mobile communication terminals.
Background technique
The communication of mobile phone now must rely on base station, just be able to achieve the communication between user by the forwarding of base station, still
Some special industries are forbidden to use mobile phone at work, such as: explosion-proof industry, chemical industry.Wireless interspeaker completely without
Base station, it is only necessary to can be achieved with linking up on a same frequency, but be generally 1 to 3 kilometer of left side in spacious place apart from limited
It is right.
Utility model content
The purpose of the utility model is to overcome the deficiencies in existing product, provide a kind of dual mode mobile communication terminal.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
A kind of dual mode mobile communication terminal, including mobile module, CPU, mobile phone Mike loudspeaker module, intercom mould
Block, the mobile module, intercom module are all connect with CPU, and the mobile phone Mike loudspeaker module connects mobile module, described
Intercom module is equipped with sending/receiving module, key control module, enabled module, powers on module, 3.3V power supply module, described to press
Key control module, enabled module, power on module, 3.3V power supply module is all connect with sending/receiving module, it is described power on module,
3.3V power supply module all connects key control module, and the 3.3V power supply module, enabled module 14 all connect and power on module.
The key control module includes key REV, resistance R9001, zener diode VR1999, the key REV's
One end connects earth signal GND, and the other end of the key REV is described to press by zener diode VR1999 connection earth signal GND
The other end of key REV connects sending/receiving module, and the other end of the key REV also passes through resistance R9001 connection and powers on module.
The 3.3V power supply module include resistance R9017, resistance R9018, resistance R9019, triode Q9014, resistance R1,
The collector of resistance R2, the triode Q9014 connect CPU, and the collector of the triode Q9014 is connected by resistance R9017
Electric module is connected, the emitter of the triode Q9014 connects earth signal GND, and the base stage of the triode Q9014 passes through resistance
The other end of one end of R1 connection resistance R9018, the resistance R9018 connects earth signal GND, one end of the resistance R9018
By resistance R9019 connection key control module, the base stage of the triode Q9014 passes through resistance R2 connecting triode Q9014
Emitter.
The triode Q9014 is NPN triode.
Enabled module includes resistance R9028, resistance R9029, resistance R9010, triode Q9011, triode Q9011, electricity
Hinder the one end of the base stage of R3, resistance R4, the triode Q9011 by resistance R3 connection resistance R9029, the resistance R9029
The other end connect CPU, one end of the resistance R9029 passes through resistance R9010 connection earth signal GND, the triode Q9011
Base stage by the emitter of resistance R4 connecting triode Q9011, the emitter of the triode Q9011 connects earth signal GND,
The collector of the triode Q9011 powers on module, the collector connection of the triode Q9011 by resistance R9028 connection
Sending/receiving module.
Triode Q9011 is NPN triode.
The beneficial effects of the utility model are as follows: the utility model has handset mode and intercom, is kind of a double mode end
End, solve no signal environment and in the environment of do not allow using mobile communication holding user communication it is uninterrupted, can be fine
Reservation mobile phone advantage, and make up the shortcoming of mobile phone.
Detailed description of the invention
Fig. 1 is the system module figure of the utility model；
Fig. 2 is the circuit diagram of key control module；
Fig. 3 is the circuit diagram of 3.3V power supply module；
Fig. 4 is the circuit diagram of enabled module.
Specific embodiment
The technical solution of the utility model is described further with reference to the accompanying drawings of the specification:
As shown in fig. 1 to fig. 4, a kind of dual mode mobile communication terminal, including mobile module 2, CPU1, mobile phone Mike's loudspeaking
Device module 3, intercom module 4, the mobile module 2, intercom module 4 are all connect with CPU1, the mobile phone Mike loudspeaker
Module 3 connects mobile module 2, and the intercom module 4 is equipped with sending/receiving module 12, key control module 13, enabled module
14, module 11,3.3V power supply module 15 are powered on, the key control module 13, enabled module 14 power on module 11,3.3V confession
Electric module 15 is all connect with sending/receiving module 12, and module 11, the 3.3V power supply module 15 of powering on all is connected by key control mould
Block 13, the 3.3V power supply module 15, enabled module 14 all connect and power on module 11.Key control module 13 include key REV,
One end connection earth signal GND of resistance R9001, zener diode VR1999, the key REV, the other end of the key REV
Sending/receiving module 12 is connected by the other end of zener diode VR1999 connection earth signal GND, the key REV, it is described
The other end of key REV also passes through resistance R9001 connection and powers on module 11.3.3V power supply module 15 includes resistance R9017, resistance
The collector connection CPU1 of R9018, resistance R9019, triode Q9014, resistance R1, resistance R2, the triode Q9014, institute
The collector for stating triode Q9014 powers on module 11, the emitter connection of the triode Q9014 by resistance R9017 connection
The base stage of earth signal GND, the triode Q9014 pass through one end of resistance R1 connection resistance R9018, the resistance R9018's
The other end connects earth signal GND, and one end of the resistance R9018 is by resistance R9019 connection key control module 13, and described three
The base stage of pole pipe Q9014 passes through the emitter of resistance R2 connecting triode Q9014.Triode Q9014 is NPN triode.It is enabled
Module 14 includes resistance R9028, resistance R9029, resistance R9010, triode Q9011, triode Q9011, resistance R3, resistance
The base stage of R4, the triode Q9011 pass through one end of resistance R3 connection resistance R9029, and the other end of the resistance R9029 connects
CPU1 is met, by resistance R9010 connection earth signal GND, the base stage of the triode Q9011 is logical for one end of the resistance R9029
The emitter of resistance R4 connecting triode Q9011 is crossed, the emitter of the triode Q9011 connects earth signal GND, three pole
The collector of pipe Q9011 powers on module 11 by resistance R9028 connection, and the collector connection of the triode Q9011, which is sent, to be connect
Receive module 12.Triode Q9011 is NPN triode.
As shown in Fig. 2, press mechanical key will key REV the other end level, at this time at sending/receiving module 12
In emission state, key REV is unclamped, sending/receiving module 12 is in reception state.
As shown in figure 4, CPU will make the collection of triode Q9011 to the other end high level of resistance R9029 resistance R9029
Electrode is in high level, and then enabled intercom module.
As shown in figure 3, collector high level of the CPU to triode Q9014, by resistance R9019 to key control module
13 1 high level, for powering.
The utility model includes mobile module 2, CPU1, mobile phone Mike loudspeaker module 3, intercom module 4, therefore is had
Handset mode and intercom are kind of a dual-mode terminals, are solved in no signal environment and in the environment of do not allow using mobile communication
It keeps the communication of user uninterrupted, can be very good the advantage for retaining mobile phone, and make up the shortcoming of mobile phone.
It should be noted that listed above is only a kind of specific embodiment of the utility model.Obviously, the utility model
Above embodiments are not limited to, it can also be there are many deforming, in short, those skilled in the art can disclose from the utility model
Content all deformations for directly exporting or associate, be considered as the protection scope of the utility model.
Claims (6)
1. a kind of dual mode mobile communication terminal, which is characterized in that including mobile module (2), CPU(1), mobile phone Mike's loudspeaker
Module (3), intercom module (4), the mobile module (2), intercom module (4) are all connect with CPU(1), the mobile phone wheat
Gram loudspeaker module (3) connection mobile module (2), the intercom module (4) are equipped with sending/receiving module (12), press key control
Module (13), powers on module (11), 3.3V power supply module (15) at enabled module (14), and the key control module (13) enables
Module (14), power on module (11), 3.3V power supply module (15) is all connect with sending/receiving module (12), described to power on module
(11), 3.3V power supply module (15) all connects key control module (13), the 3.3V power supply module (15), enabled module (14)
All connection powers on module (11).
2. a kind of dual mode mobile communication terminal according to claim 1, which is characterized in that the key control module (13)
One end including key REV, resistance R9001, zener diode VR1999, the key REV connects earth signal GND, described to press
By zener diode VR1999 connection earth signal GND, the other end connection of the key REV is sent to be connect the other end of key REV
It receives module (12), the other end of the key REV also passes through resistance R9001 connection and powers on module (11).
3. a kind of dual mode mobile communication terminal according to claim 1, which is characterized in that the 3.3V power supply module (15)
Including resistance R9017, resistance R9018, resistance R9019, triode Q9014, resistance R1, resistance R2, the triode Q9014's
Collector connects CPU(1), the collector of the triode Q9014 is powered on module (11) by resistance R9017 connection, and described three
The emitter of pole pipe Q9014 connects earth signal GND, and the base stage of the triode Q9014 passes through resistance R1 connection resistance R9018's
The other end of one end, the resistance R9018 connects earth signal GND, and one end of the resistance R9018 is connected by resistance R9019
Key control module (13), the base stage of the triode Q9014 pass through the emitter of resistance R2 connecting triode Q9014.
4. a kind of dual mode mobile communication terminal according to claim 3, which is characterized in that the triode Q9014 is NPN
Triode.
5. a kind of dual mode mobile communication terminal according to claim 1, which is characterized in that the enabled module (14) includes
Resistance R9028, resistance R9029, resistance R9010, triode Q9011, triode Q9011, resistance R3, resistance R4, three pole
The base stage of pipe Q9011 passes through one end of resistance R3 connection resistance R9029, and the other end of the resistance R9029 connects CPU(1), institute
One end of resistance R9029 is stated by resistance R9010 connection earth signal GND, the base stage of the triode Q9011 is connected by resistance R4
The emitter of triode Q9011 is connect, the emitter of the triode Q9011 connects earth signal GND, the triode Q9011's
Collector is powered on module (11) by resistance R9028 connection, and the collector of the triode Q9011 connects sending/receiving module
(12).
6. a kind of dual mode mobile communication terminal according to claim 5, which is characterized in that the triode Q9011 is NPN
Triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920318494.6U CN209419865U (en) | 2019-03-13 | 2019-03-13 | A kind of dual mode mobile communication terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920318494.6U CN209419865U (en) | 2019-03-13 | 2019-03-13 | A kind of dual mode mobile communication terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209419865U true CN209419865U (en) | 2019-09-20 |
Family
ID=67945791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920318494.6U Active CN209419865U (en) | 2019-03-13 | 2019-03-13 | A kind of dual mode mobile communication terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209419865U (en) |
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2019
- 2019-03-13 CN CN201920318494.6U patent/CN209419865U/en active Active
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