CN209517524U - 4G expanding unit based on SIM7600CE - Google Patents
4G expanding unit based on SIM7600CE Download PDFInfo
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- CN209517524U CN209517524U CN201920483680.5U CN201920483680U CN209517524U CN 209517524 U CN209517524 U CN 209517524U CN 201920483680 U CN201920483680 U CN 201920483680U CN 209517524 U CN209517524 U CN 209517524U
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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
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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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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Abstract
The utility model belongs to expanding unit technical field, in particular to a kind of 4G expanding unit based on SIM7600CE；A kind of its 4G expanding unit based on SIM7600CE, including SIM7600CE module, power conversion module, control signal processing module, indicating lamp module, SIM card interface module and Anneta module；The input terminal of the SIM7600CE module is separately connected the output end of power conversion module, controls the output end of signal processing module and the output end of SIM card interface module, the input terminal of the output end connection indicating lamp module of the SIM7600CE module, and two-way communication between the SIM7600CE module and the Anneta module.The utility model provides a kind of new 4G expanding unit based on SIM7600CE, which realizes that 4G network is docked with the usb communication between ARM platform using SIM7600CE module, and circuit design is simple, and low in energy consumption and data connection is quick, reliable.
Description
Technical field
The utility model belongs to expanding unit technical field, in particular to a kind of 4G based on SIM7600CE extends dress
It sets.
Background technique
Since late 1970s, first generation analog mobile communication system emerged, Mobile Communication Industry is always with surprising
Speed grow rapidly, have become one of the main high-tech industry for driving global economic development, and to human lives and society
It can develop and produce significant impact.With the development of data communication and multimedia service demand, mobile data, mobile computing are adapted to
And the forth generation mobile communication that mobile multimedia running needs starts to rise.The technical advantages such as 4G high integration 3G and LAN, energy
Enough ensure on the resource bases such as video, image of fast ripe transmission high quality, the more convenient information service of rich people is simultaneously shown
More ideal application value status out.For end, 4G is suitable for all mobile communication subscribers, and helps to carry out
The seamless connection target of the media such as wireless network, local area network, telstar communication, therefore nowadays in China's industry, communications and transportation
Comprehensive popularization is continued to use among equal industrial fields.| SMART is based on ARM926TMSAM9X Data acquisition be one
Money high-performance, highly integrated processor.The processor running frequency is 400MHz, is provided outside a series of connections abundant
If such as Dual-Ethernet and double CAN, three USB ports and seven UART.Low-voltage, low-power consumption and reduced system cost make
Atmel SAM9X becomes the choosing of the ideal of cost-sensitive machine to machine application.Although present ARM can be using double ether
Net, double CAN etc. are communicated, but it is relatively difficult to achieve between the 4G network of universal masses communicate docking, and existing ARM is logical
Believe that power consumption is relatively high, data connection speed is slower.
Utility model content
In order to solve the problems in the existing technology, the utility model provides a kind of new 4G based on SIM7600CE
Expanding unit.
The utility model specific technical solution is as follows:
The utility model provides a kind of 4G expanding unit based on SIM7600CE, and the expanding unit includes SIM7600CE
Module, power conversion module, control signal processing module, indicating lamp module, SIM card interface module and Anneta module；
The input terminal of the SIM7600CE module is separately connected the output end of power conversion module, control signal processing mould
The output end of the output end of block and the output end of SIM card interface module, the SIM7600CE module connects indicating lamp module
Input terminal, and two-way communication between the SIM7600CE module and the Anneta module.
Further to improve, the SIM7600CE module includes SIM7600CE chip, resistance R1, capacitor C1-C4,
1,2,5,10,14,37,40,41,43,57,58,60,61,64,65,77,78,80,81 pins of SIM7600CE chip connect
Ground, 11 pins pass through the power supply of resistance R1 connection ARM, and 38 pins and 39 pins are connected and connect the first end and electricity of capacitor C1
Hold the first end of C2, the second end of capacitor C1 and the second end of capacitor C2 are grounded, and 62 pins and 63 pins are connected and connect electricity
Hold the first end of C3 and the first end of capacitor C4, the second end of capacitor C3 and the second end of capacitor C4 are grounded.
Further to improve, the power conversion module includes voltage-stablizer, resistance R2-R5, capacitor C5-C8 and fuse
F1,1 pin of voltage-stablizer are separately connected the second end of resistance R2 and the pin of ARM, and 2 pins are separately connected the first of resistance R2
The second end at end, the first end of capacitor C5, the first end of C6 and fuse F1, the electricity of the first end connection ARM of fuse F1
Source, the second end of capacitor C5 and the second end of C6 are grounded, and 3 pins and 6 pins of voltage-stablizer are grounded, and 4 pins are separately connected
The first end of resistance R3, the first end of R4, the first end of capacitor C7, the first end of C8 and SIM7600CE chip 38 pins,
Second end, the second end of capacitor C7 and the second end of C8 of resistance R4 is grounded, 5 pins of voltage-stablizer and the second of resistance R3
End is connected and is grounded by resistance R5.
Further to improve, the control signal processing module includes resistance R6-R9 and triode Q1-Q2, the R6
First end connection ARM pin, second end is separately connected the first end of resistance R7 and the base stage of triode Q1, resistance R7
Second end and the emitter of triode Q1 be grounded, 4 pins of the collector connection SIM7600CE chip of triode Q1, institute
The pin of the first end connection ARM of R8 is stated, second end is separately connected the first end of resistance R9 and the base stage of triode Q2, resistance
The second end of R9 and the emitter of triode Q2 are grounded, 3 pins of the collector connection SIM7600CE chip of triode Q2.
Further to improve, the indicating lamp module includes resistance R10-R12, triode Q3 and diode D1, resistance
51 pins of the first end connection SIM7600CE chip of R10, second end are separately connected the first end and triode Q3 of resistance R11
Base stage, the second end of resistance R11 and the emitter of triode Q3 be grounded, and the collector of triode Q3 passes through diode D1
63 pins of SIM7600CE chip are connected with resistance R12.
Further to improve, the SIM card interface module includes interface connector, resistance R13-R16, capacitor C9-C14
And diode D2-D5,1 pin of interface connector are separately connected 20 pins of SIM7600CE chip and pass through diode
D5 ground connection, 5 pins and 6 pins of interface connector are grounded, and 2 pins are separately connected the first end and diode D2 of capacitor C9
First end, and by 18 pins of resistance R13 connection SIM7600CE chip, the of the second end of capacitor C9 and diode D2
Two ends are grounded, and 3 pins are separately connected the first end of capacitor C10 and the first end of diode D3, and are connected by resistance R14
19 pins of SIM7600CE chip, the second end of capacitor C10 and the second end of diode D3 are grounded, and 7 pins are separately connected electricity
Hold the first end of the first end of C11, the first end of diode D4 and resistance R16, and passes through resistance R15 connection SIM7600CE
17 pins of chip, the second end of capacitor C11 and the second end of diode D4 are grounded, and the second end of resistance R16 is separately connected
20 pins of SIM7600CE chip, the first end of capacitor C12, the first end of C13 and the first end of C14, the of capacitor C12
The second end at two ends, the second end of C13 and C14 is grounded.
Further to improve, the Anneta module includes antenna connector, resistance R17 and capacitor C15-C16, and antenna connects
2,3,4 pins for connecing device are grounded, and 1 pin is separately connected the first end of capacitor C15 and the first end of resistance R17, resistance R17
Second end be separately connected the first end of capacitor C16 and 82 pins of SIM7600CE chip, the second end of capacitor C15 and
The second end of C16 is grounded.
Further to improve, the expanding unit further includes the level switch module with the SIM7600CE two-way communication,
The level switch module includes resistance R18-R22 and triode Q4-Q5, and the of the first end of resistance R18 and resistance R19
One end is all connected with 15 pins of SIM7600CE chip, the base stage of the second end connecting triode Q4 of resistance R18, triode Q4's
Collector is separately connected 68 pins of SIM7600CE chip and the second end of resistance R19, emitter are separately connected resistance R20
Second end and ARM pin, resistance R20 first end connection ARM power supply, resistance R22 first end connection
15 pins of SIM7600CE chip, the base stage of second end connecting triode Q5, the emitter connection of triode Q5
71 pins of SIM7600CE chip, collector are separately connected the pin of ARM and the second end of resistance R21, and the of resistance R21
The power supply of one end connection ARM.
The beneficial effects of the utility model are as follows:
The utility model provides a kind of new 4G expanding unit based on SIM7600CE, which uses
SIM7600CE module realizes that the USB between 4G network and ARM platform communicates docking, and circuit design is simple, low in energy consumption and data
Connection quickly, reliably, as the carrier of ARM2G/3G/4G communication, supports 4G, 3G and 2G of movement, China Unicom, telecommunications,
Whole Base-Band Processing speed is substantially increased, suitable for being widely used to promote.
Detailed description of the invention
Fig. 1 is the functional block diagram of 4G expanding unit of the embodiment 1 based on SIM7600CE；
Fig. 2 is the circuit diagram of embodiment 2SIM7600CE module；
Fig. 3 is the circuit diagram of 3 power conversion module of embodiment；
Fig. 4 is the circuit diagram that embodiment 4 controls signaling module；
Fig. 5 is the circuit diagram of 5 indicating lamp module of embodiment；
Fig. 6 is the circuit diagram of embodiment 6SIM card interface module；
Fig. 7 is the circuit diagram of 7 Anneta module of embodiment；
Fig. 8 is the functional block diagram of 8 level switch module of embodiment；
Fig. 9 is the functional block diagram of 4G expanding unit of the embodiment 8 based on SIM7600CE.
Specific embodiment
The utility model is described in further detail with following embodiment with reference to the accompanying drawing.
Embodiment 1
The utility model embodiment 1 provides a kind of 4G expanding unit based on SIM7600CE, as shown in Figure 1, the extension
Device includes SIM7600CE module, power conversion module, control signal processing module, indicating lamp module, SIM card interface module
And Anneta module；
The input terminal of the SIM7600CE module is separately connected the output end of power conversion module, control signal processing mould
The output end of the output end of block and the output end of SIM card interface module, the SIM7600CE module connects indicating lamp module
Input terminal, and two-way communication between the SIM7600CE module and the Anneta module.The ruler of attached drawing in the utility model
It is very little to have carried out appropriate scaling.
The utility model provides a kind of new 4G expanding unit based on SIM7600CE, which uses
SIM7600CE module realizes that the USB between 4G network and ARM platform communicates docking, and circuit design is simple, low in energy consumption and data
Connection quickly, reliably, as the carrier of ARM2G/3G/4G communication, supports 4G, 3G and 2G of movement, China Unicom, telecommunications,
Whole Base-Band Processing speed is substantially increased, high reliability, efficient wireless communication solution is provided, is widely applied
In industries such as safety monitoring, industry routings.
Working principle:
Power conversion module is used to the 5V power supply that ARM is inputted being converted to the direct current of 3.8V as SIM7600CE module
Direct current supply, control signaling module is used for the control signal that sends to SIM7600CE module transfer ARM, and Anneta module is used for
Realize the wireless transmission of SIM7600CE module, SIM card interface module is used to provide card interface for SIM card, to store information,
After the signal for receiving control signaling module transmission, the indicator light on indicating lamp module lights SIM7600CE module.
Data as data collection station ARM AT91SAM9X (abbreviation ARM in file) acquisition pass through USB interface (ARM
USB interface is all had with SIM7600CE module) data are transmitted to SIM7600CE, SIM7600CE passes through 4G network and local again
Pass to data center server on the net (by TCP/UDP protocol communication transmission mode)；ASC administrative service center can also use management
Mobile phone carries out the alarm that remote short messages parameter configuration and management data collection terminal issue to SIM7600CE by 4G network
Short message.Data are returned to ARM AT91SAM9X by USB interface again after receiving GPRS data by SIM7600CE.
Embodiment 2
The 4G expanding unit based on SIM7600CE that the utility model embodiment 2 provides is substantially the same manner as Example 1, no
With, as shown in Fig. 2, the SIM7600CE module includes SIM7600CE chip, resistance R1, capacitor C1-C4,
1,2,5,10,14,37,40,41,43,57,58,60,61,64,65,77,78,80,81 pins of SIM7600CE chip connect
Ground, 11 pins pass through the VDD_3V3 pin of resistance R1 connection ARM, and 38 pins and 39 pins are connected and connect the first of capacitor C1
The first end at end and capacitor C2, the second end of capacitor C1 and the second end of capacitor C2 are grounded, and 62 pins and 63 pins are connected simultaneously
The first end of capacitor C3 and the first end of capacitor C4 are connected, the second end of capacitor C3 and the second end of capacitor C4 are grounded.
SIM7600CE chip in the utility model is high integration 4G wireless communication module, is the mould of a SMT encapsulation
Block supports the frequency ranges such as LTE-TD-D/LTE-FDD/HSPA+/TD-SCDMA/EVDO and GSM/GPRS/EDGE, supports LTE
The network speed of the uplink of the downlink 50Mbps of Cat4150Mbps.Its performance is stablized, and appearance is small and exquisite, and cost performance is high, can be with low function
Consumption realizes the transmission of SMS and data information.It is docked with ARM using usb signal interface, cabinet inside type of attachment, is exempted external
Stability, safety caused by installation etc. influences；Wherein, the resistance value of resistance R1 is 0, can not be installed, the capacitor of C1 and C3 are equal
For 220uf, the capacitor of C2 is 1uf, and the capacitor of C4 is 100nf.
SIM7600CE chip interior has voltage-stablizer decompression to generate 1.8V to supply chip all IO pins.Control I/O pin
Including PWR (3 pin), REST (4 pin), NET (51 pin), STA (49 pin).Wherein PWR pin is for controlling
What SIM7600CE was switched on or shut down, high level is effective, and REST is reseting pin, can be by drawing high this pin in Emergency time
Carry out reseting module, needs with ARM signal isolation in order to avoid signal level has difference；STA, NET pin can be used to check
The state of SIM7600CE module work.
Embodiment 3
The 4G expanding unit based on SIM7600CE that the utility model embodiment 3 provides is substantially the same manner as Example 2, no
With, as shown in figure 3, the power conversion module includes voltage-stablizer, resistance R2-R5, capacitor C5-C8 and fuse F1,
1 pin of voltage-stablizer is separately connected the second end of resistance R2 and the 4G_POR pin of ARM, 2 pins are separately connected resistance R2's
The first end of first end, the first end of capacitor C5, the second end of the first end of C6 and fuse F1, fuse F1 connects ARM
5V power supply, the second end of capacitor C5 and the second end of C6 be grounded, and 3 pins and 6 pins of voltage-stablizer are grounded, 4 pins point
It Lian Jie not the first end of resistance R3, the first end of R4, the first end of capacitor C7, the first end of C8 and SIM7600CE chip
38 pins, second end, the second end of capacitor C7 and the second end of C8 of resistance R4 are grounded, 5 pins and resistance of voltage-stablizer
The second end of R3, which is connected and passes through resistance R5, to be grounded.
Voltage-stablizer (model MIC29302A) is used to the 5V voltage that ARM is inputted being converted to 3.8V straight in the utility model
Galvanic electricity and exporting to SIM7600CE chip is powered；Wherein, the rated current of fuse F1 is 3A, and the resistance value of R3 is 100K
The resistance value of Ω, R4 are 470 Ω, and the resistance value of R5 is 47K Ω, and R2 resistance value is 10K Ω, can not be installed, and the precision of R3 and R5 is missed
Difference is 1%；The capacitor of C5 is 100uF, is electrolytic capacitor, and the capacitor of C6 is 1uF, and the capacitor of C7 is 330uF, for electricity
Capacitor is solved, the capacitor of C8 is 100nF.
SIM7600CE module needs the direct current supply of a 3.8~4.0V of 3.4V~4.2V recommendation, it is desirable to be able to provide 2A
GSM emit maximum current.And our external main power sources are 5V, this just needs a 5V to produce the high power LD O of 3.8V, model
MIC29302A is selected, a 4G_POR is drawn from mainboard to control the on-off of power supply chip, a 330uF is added in output end
For reducing current ripples, while the discharge resistance of 470 Ω is also added in storage capacitor.
Embodiment 4
The 4G expanding unit based on SIM7600CE that the utility model embodiment 4 provides is substantially the same manner as Example 2, no
With as shown in figure 4, the control signal processing module includes the of resistance R6-R9 and triode Q1-Q2, the R6
One end connects the GAM_RST pin of ARM, and second end is separately connected the first end of resistance R7 and the base stage of triode Q1, resistance
The second end of R7 and the emitter of triode Q1 are grounded, 4 pins of the collector connection SIM7600CE chip of triode Q1,
The GAM_PWRKEY pin of the first end connection ARM of the R8, second end are separately connected the first end and triode of resistance R9
The base stage of Q2, the second end of resistance R9 and the emitter of triode Q2 are grounded, the collector connection of triode Q2
3 pins of SIM7600CE chip.
The ARM control signal sent is transmitted to by the circuit that triode and resistance string compose in parallel in the utility model
SIM7600CE chip in turn controls the working condition of the expanding unit, and PWR (3 pin) pin is for controlling
What SIM7600CE was switched on or shut down, high level is effective, and REST (4 pin) can pass through drawing in Emergency time for reseting pin
This high pin carrys out reseting module, needs with ARM signal isolation in order to avoid signal level has difference, wherein the model of Q1, Q2 is
The resistance value of BC-817-16LTIG, R8 and R11 are that the resistance value of 4.7K Ω, R9 and R12 are the resistance value of 47K Ω, R10 and R13
It is 10K Ω.
Embodiment 5
The 4G expanding unit based on SIM7600CE that the utility model embodiment 5 provides is substantially the same manner as Example 2, no
With as shown in figure 5, the indicating lamp module includes resistance R10-R12, triode Q3 and diode D1, resistance R10
First end connection SIM7600CE chip 51 pins, second end is separately connected the first end and triode Q3 of resistance R11
Base stage, the second end of resistance R11 and the emitter of triode Q3 are grounded, and the collector of triode Q3 passes through diode D1 and electricity
Hinder 63 pins of R12 connection SIM7600CE chip.
The indicating lamp module of the present embodiment flashes the redlight to be reminded when controlling signaling module transmission of control signals,
In, diode D1 is light emitting diode, and the model BC-817-16LTIG of Q3, the resistance value of resistance R11 and R12 are 47K Ω,
The resistance value of R10 is 4.7K Ω.
Embodiment 6
The 4G expanding unit based on SIM7600CE that the utility model embodiment 6 provides is substantially the same manner as Example 2, no
With as shown in fig. 6, the SIM card interface module includes interface connector, resistance R13-R16, capacitor C9-C14 and two
Pole pipe D2-D5,1 pin of interface connector are separately connected 20 pins of SIM7600CE chip and are connect by diode D5
Ground, 5 pins and 6 pins of interface connector are grounded, 2 pins be separately connected capacitor C9 first end and diode D2
One end, and pass through 18 pins of resistance R13 connection SIM7600CE chip, the second end of capacitor C9 and the second end of diode D2
It is grounded, 3 pins are separately connected the first end of capacitor C10 and the first end of diode D3, and are connected by resistance R14
19 pins of SIM7600CE chip, the second end of capacitor C10 and the second end of diode D3 are grounded, and 7 pins are separately connected electricity
Hold the first end of the first end of C11, the first end of diode D4 and resistance R16, and passes through resistance R15 connection SIM7600CE
17 pins of chip, the second end of capacitor C11 and the second end of diode D4 are grounded, and the second end of resistance R16 is separately connected
20 pins of SIM7600CE chip, the first end of capacitor C12, the first end of C13 and the first end of C14, the of capacitor C12
The second end at two ends, the second end of C13 and C14 is grounded.
SIM7600CE module supports USIM and high speed SIM card in the utility model, needs in SIM card interface signal line
Decoupling capacitor and ESD protective device is added；NET (51 pin) can be used to check the state of SIM7600CE module work, in signal
In transmission process, the indicator light on indicating lamp module is lighted, wherein the model MOLEX_47553_2001 of interface connector,
Diode D2-D5 is all made of the two-way transient supression diode of model TOSD05FB, and the capacitor of C9-C11 is 33pF, C12
Capacitor be 1uF, the capacitor of C13-C14 is 100nF, and the resistance value of resistance R13-R15 is 22K Ω, and the resistance value of R16 is
10K Ω, and can not install.
Embodiment 7
The 4G expanding unit based on SIM7600CE that the utility model embodiment 7 provides is substantially the same manner as Example 2, no
With as shown in fig. 7, the Anneta module includes antenna connector, resistance R17 and capacitor C15-C16, antenna connector
2,3,4 pins be grounded, 1 pin is separately connected the first end of capacitor C15 and the first end of resistance R17, the of resistance R17
Two ends are separately connected the first end of capacitor C16 and 82 pins of SIM7600CE chip, the second end of capacitor C15 and C16's
Second end is grounded.
Anneta module in the present embodiment is used for the wireless communication of the expanding unit, wherein the model of antenna connector
The resistance value of molex_ipex_734120114_sd, resistance R17 are 0.
Embodiment 8
The 4G expanding unit based on SIM7600CE that the utility model embodiment 8 provides is substantially the same manner as Example 2, no
With, as shown in Figure 8, Figure 9, the expanding unit further includes the level switch module with the SIM7600CE two-way communication,
The level switch module includes resistance R18-R22 and triode Q4-Q5, and the first of the first end of resistance R18 and resistance R19
End is all connected with 15 pins of SIM7600CE chip, the base stage of the second end connecting triode Q4 of resistance R18, the collection of triode Q4
Electrode is separately connected 68 pins of SIM7600CE chip and the second end of resistance R19, emitter are separately connected resistance R20's
The GSM_TXD pin of second end and ARM, the VDD_3V3G pin of the first end connection ARM of resistance R20, the of resistance R22
One end connects 15 pins of SIM7600CE chip, the base stage of second end connecting triode Q5, the emitter connection of triode Q5
71 pins of SIM7600CE chip, collector are separately connected the GSM_RXD pin of ARM and the second end of resistance R21, resistance
The VDD_3V3G pin of the first end connection ARM of R21.
SIM7600CE chip also provides 14 line UART and uses for client in the utility model.Serial ports 1 supports AT order,
User can receive and dispatch AT order by UART1.Serial interface high level is 1.8V, and when the interface of external 3.3V, Yao Jinhang level turns
It changes；Wherein, the model of triode Q4 and Q5 is BC-817-16LTIG, and the resistance value of resistance R19, R20, R21 are 10K Ω,
The resistance value of resistance R18, R22 are 4.7K Ω.
Embodiment described above is only that preferred embodiments of the present invention are described, not to the utility model
Range be defined, under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this is practical
The various changes and improvements that novel technical solution is made should all fall into the protection model that claims of the utility model determine
In enclosing.
Claims (8)
1. a kind of 4G expanding unit based on SIM7600CE, which is characterized in that the expanding unit include SIM7600CE module,
Power conversion module, control signal processing module, indicating lamp module, SIM card interface module and Anneta module；
The input terminal of the SIM7600CE module is separately connected the output end of power conversion module, controls signal processing module
The output end of output end and SIM card interface module, the input of the output end connection indicating lamp module of the SIM7600CE module
End, and two-way communication between the SIM7600CE module and the Anneta module.
2. the 4G expanding unit according to claim 1 based on SIM7600CE, which is characterized in that the SIM7600CE mould
Block include SIM7600CE chip, resistance R1, the 1 of capacitor C1-C4, SIM7600CE chip, 2,5,10,14,37,40,41,43,
57,58,60,61,64,65,77,78,80,81 pins are grounded, and 11 pins pass through the power supply of resistance R1 connection ARM, 38 pins
It is connected with 39 pins and connects the first end of capacitor C1 and the first end of capacitor C2, the second of the second end of capacitor C1 and capacitor C2
End is grounded, and 62 pins and 63 pins are connected and connect the first end of capacitor C3 and the first end of capacitor C4, and the second of capacitor C3
The second end of end and capacitor C4 are grounded.
3. the 4G expanding unit according to claim 2 based on SIM7600CE, which is characterized in that the power supply modulus of conversion
Block includes voltage-stablizer, resistance R2-R5, capacitor C5-C8 and fuse F1, and 1 pin of voltage-stablizer is separately connected the of resistance R2
The pin of two ends and ARM, 2 pins are separately connected the first end of resistance R2, the first end of capacitor C5, the first end of C6 and guarantor
The second end of dangerous silk F1, the power supply of the first end connection ARM of fuse F1, the second end of capacitor C5 and the second end of C6 connect
Ground, 3 pins and 6 pins of voltage-stablizer are grounded, and 4 pins are separately connected the first end of resistance R3, the first end of R4, capacitor C7
38 pins of first end, the first end of C8 and SIM7600CE chip, the second end of resistance R4, the second end of capacitor C7 and
The second end of C8 is grounded, and 5 pins of voltage-stablizer, which are connected with the second end of resistance R3 and pass through resistance R5, to be grounded.
4. the 4G expanding unit according to claim 2 based on SIM7600CE, which is characterized in that at the control signal
Reason module includes the pin of the first end connection ARM of resistance R6-R9 and triode Q1-Q2, the R6, and second end is separately connected
The first end of resistance R7 and the base stage of triode Q1, the second end of resistance R7 and the emitter of triode Q1 are grounded, three poles
4 pins of the collector connection SIM7600CE chip of pipe Q1, the pin of the first end connection ARM of the R8, second end connect respectively
The first end of connecting resistance R9 and the base stage of triode Q2, the second end of resistance R9 and the emitter of triode Q2 are grounded, and three
3 pins of the collector connection SIM7600CE chip of pole pipe Q2.
5. the 4G expanding unit according to claim 2 based on SIM7600CE, which is characterized in that the indicating lamp module
Including resistance R10-R12, triode Q3 and diode D1, the 51 of the first end connection SIM7600CE chip of resistance R10 are drawn
Foot, second end are separately connected the first end of resistance R11 and the base stage of triode Q3, the second end of resistance R11 and triode Q3's
Emitter is grounded, and the collector of triode Q3 connects 63 pins of SIM7600CE chip by diode D1 with resistance R12.
6. the 4G expanding unit according to claim 2 based on SIM7600CE, which is characterized in that the SIM card interface mould
Block includes interface connector, resistance R13-R16, capacitor C9-C14 and diode D2-D5, the 1 pin difference of interface connector
It connecting 20 pins of SIM7600CE chip and is grounded by diode D5,5 pins and 6 pins of interface connector are grounded,
2 pins are separately connected the first end of capacitor C9 and the first end of diode D2, and pass through resistance R13 connection SIM7600CE chip
18 pins, the second end of capacitor C9 and the second end of diode D2 be grounded, and 3 pins are separately connected the first end of capacitor C10
With the first end of diode D3, and pass through 19 pins of resistance R14 connection SIM7600CE chip, the second end of capacitor C10 and two
The second end of pole pipe D3 is grounded, and 7 pins are separately connected the first end of capacitor C11, the first end of diode D4 and resistance R16
First end, and by 17 pins of resistance R15 connection SIM7600CE chip, the of the second end of capacitor C11 and diode D4
Two ends are grounded, and the second end of resistance R16 is separately connected 20 pins of SIM7600CE chip, the first end of capacitor C12, C13
The second end of the first end of first end and C14, the second end of capacitor C12, the second end of C13 and C14 is grounded.
7. the 4G expanding unit according to claim 2 based on SIM7600CE, which is characterized in that the Anneta module packet
Antenna connector, resistance R17 and capacitor C15-C16 are included, 2,3,4 pins of antenna connector are grounded, and 1 pin is separately connected
The first end of capacitor C15 and the first end of resistance R17, the second end of resistance R17 be separately connected capacitor C16 first end and
82 pins of SIM7600CE chip, the second end of capacitor C15 and the second end of C16 are grounded.
8. the 4G expanding unit according to claim 2 based on SIM7600CE, which is characterized in that the expanding unit is also
Including the level switch module with the SIM7600CE two-way communication, the level switch module include resistance R18-R22 and
The first end of triode Q4-Q5, resistance R18 and the first end of resistance R19 are all connected with 15 pins of SIM7600CE chip, resistance
The base stage of the second end connecting triode Q4 of R18, the collector of triode Q4 be separately connected 68 pins of SIM7600CE chip with
And the second end of resistance R19, emitter are separately connected the second end of resistance R20 and the pin of ARM, the first end of resistance R20
Connect the power supply of ARM, 15 pins of the first end connection SIM7600CE chip of resistance R22, the base of second end connecting triode Q5
Pole, 71 pins of the emitter connection SIM7600CE chip of triode Q5, collector are separately connected the pin and resistance of ARM
The second end of R21, the power supply of the first end connection ARM of resistance R21.
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| Application Number | Priority Date | Filing Date | Title |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920483680.5U CN209517524U (en) | 2019-04-10 | 2019-04-10 | 4G expanding unit based on SIM7600CE |
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| CN209517524U true CN209517524U (en) | 2019-10-18 |
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