CN108808788A - A kind of the B ultrasound monolithic processor control device and its system of miniaturization - Google Patents
A kind of the B ultrasound monolithic processor control device and its system of miniaturization Download PDFInfo
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- CN108808788A CN108808788A CN201810693487.4A CN201810693487A CN108808788A CN 108808788 A CN108808788 A CN 108808788A CN 201810693487 A CN201810693487 A CN 201810693487A CN 108808788 A CN108808788 A CN 108808788A
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- 238000002604 ultrasonography Methods 0.000 title claims abstract description 72
- 238000004891 communication Methods 0.000 claims abstract description 61
- 239000000523 sample Substances 0.000 claims abstract description 40
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 230000011664 signaling Effects 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims description 55
- 230000005611 electricity Effects 0.000 claims description 20
- 239000004065 semiconductor Substances 0.000 claims description 15
- 239000003990 capacitor Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 238000005070 sampling Methods 0.000 description 3
- 101100162020 Mesorhizobium japonicum (strain LMG 29417 / CECT 9101 / MAFF 303099) adc3 gene Proteins 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 102100023661 Coiled-coil domain-containing protein 115 Human genes 0.000 description 1
- 101710155594 Coiled-coil domain-containing protein 115 Proteins 0.000 description 1
- 102100024061 Integrator complex subunit 1 Human genes 0.000 description 1
- 101710092857 Integrator complex subunit 1 Proteins 0.000 description 1
- 235000015429 Mirabilis expansa Nutrition 0.000 description 1
- 244000294411 Mirabilis expansa Species 0.000 description 1
- 101100434411 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) ADH1 gene Proteins 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 101150102866 adc1 gene Proteins 0.000 description 1
- 101150042711 adc2 gene Proteins 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000013536 miso Nutrition 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- SGZRFMMIONYDQU-UHFFFAOYSA-N n,n-bis(2-methylpropyl)-2-[octyl(phenyl)phosphoryl]acetamide Chemical compound CCCCCCCCP(=O)(CC(=O)N(CC(C)C)CC(C)C)C1=CC=CC=C1 SGZRFMMIONYDQU-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- H02J7/0077—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
- H02J7/0049—Detection of fully charged condition
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses the B ultrasound monolithic processor control device and its system of a kind of miniaturization, the B ultrasound monolithic processor control device includes charging circuit, single chip machine controlling circuit, B ultrasound mainboard and PC systems；The supply voltage that adapter inputs is converted to charging current and charged for battery by charging circuit, carries out adapter power supply and battery powered switching automatically according to power input status, working state signal is also fed back to single chip machine controlling circuit；Single chip machine controlling circuit controls the light on and off of built-in indicator light after being sampled to working state signal；Main power source is switched to B ultrasound mainboard and PC systems by the starting switch signal control button plate that single chip machine controlling circuit is inputted according to keypad；Single chip machine controlling circuit carries out handshake communication with PC systems, and output to PC systems are shown after the push button signalling of working state signal, the probe signal of probe and keypad is carried out format conversion.Compared with existing B ultrasound single-chip computer control system, partial circuit and interface are eliminated, circuit is simpler.
Description
Technical field
The present invention relates to electronic technology field, more particularly to the B ultrasound monolithic processor control device and its system of a kind of miniaturization.
Background technology
Existing B ultrasound single-chip computer control system is as shown in Figure 1, alternating current is transmitted to charging circuit by adapter is filled to battery
Electricity, electric quantity acquisition circuit obtain the charge value of battery and are transmitted to PC（personal computer）System passes through power switching
Circuit may be selected to be powered by the direct output supply voltage of alternating current or cell powers power voltage supply, main switch are electric by power supply
Pressure is transmitted to B ultrasound mainboard and instruction system.Keypad exports corresponding key value according to the button operation of user and gives PC systems, visits
The image transmitting that head is acquired gives PC systems.Instruction system realizes standby instruction, charging according to the light on and off state of different LED light
It indicates and full of instruction.It will be seen from figure 1 that the circuit of existing B ultrasound single-chip computer control system is more complicated, the electronics that uses
Device is more, the PCB editions more complex and costs of design are higher.
Thus the prior art could be improved and improve.
Invention content
Place in view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of B ultrasound microcontrollers of miniaturization
Control device and its system, the circuit to solve the problems, such as existing B ultrasound single-chip computer control system are more complicated.
In order to achieve the above object, this invention takes following technical schemes：
A kind of B ultrasound monolithic processor control device of miniaturization, connection adapter, battery, keypad and probe comprising：Charging electricity
Road, single chip machine controlling circuit, B ultrasound mainboard and PC systems；
The supply voltage that adapter inputs is converted to charging current and charged for battery by the charging circuit, and charging circuit is according to electricity
Source input state carries out adapter power supply and battery powered switching automatically, and working state signal is also fed back to microcontroller control
Circuit；
Single chip machine controlling circuit controls the light on and off of built-in indicator light after being sampled to working state signal, to show current work
Make state；Main power source is switched to B ultrasound by the starting switch signal control button plate that single chip machine controlling circuit is inputted according to keypad
Mainboard and PC systems；Single chip machine controlling circuit carries out handshake communication with PC systems, by working state signal, the probe signal of probe
Output to PC systems are shown after carrying out format conversion with the push button signalling of keypad.
In the B ultrasound monolithic processor control device of the miniaturization, the charging circuit includes charhing unit and state-detection
Unit：
Supply voltage is converted to charging current and charged for battery by the charhing unit, and when test adaptor accesses, switching
It powers for adapter；Detection is switched to battery powered when being accessed without adapter；
The corresponding level of charging current generation that the state detection unit is exported according to charging chip fills power detection signal, according to
The adapter detection signal for connecing disconnected state and generating corresponding level of adapter, also obtains the current electricity of battery and generates corresponding electricity
Flat battery capacity detects signal.
In the B ultrasound monolithic processor control device of the miniaturization, the state detection unit includes first resistor, the second electricity
Resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the first capacitance, the second capacitance and
Third capacitance；
The output end of one end and charhing unit of one end connection second resistance of the first resistor, the other end of first resistor connect
Connecing one end and the single chip machine controlling circuit of the first capacitance, the other end of the other end of second resistance and the first capacitance is grounded, and
The other end of the power input of one end connection adapter of three resistance, 3rd resistor connects one end and the 5th electricity of the 4th resistance
The other end of one end of resistance, the 5th resistance connects one end and the single chip machine controlling circuit of the second capacitance, the other end of the 4th resistance
It is grounded with the other end of the second capacitance, one end of the 6th resistance connects battery, and the other end of the 6th resistance connects the 7th resistance
One end and the 8th resistance one end, one end of the other end connection third capacitance of the 8th resistance and single chip machine controlling circuit, the
The other end of seven resistance and the other end of third capacitance are grounded.
In the B ultrasound monolithic processor control device of the miniaturization, the single chip machine controlling circuit includes microcontroller, instruction list
Member and communication unit；
It is corresponding in indicating unit to control that the microcontroller exports corresponding condition indicative signal after being sampled to working state signal
The light on and off of indicator light；
The starting switch signal output main switch signal that microcontroller is inputted according to keypad is connected come control button plate, to export master
Power supply is to B ultrasound mainboard and PC systems；
Microcontroller also carries out handshake communication by communication unit and PC systems, and communication unit is by the spy of working state signal, probe
Output to PC systems are shown after the push button signalling of head signal and keypad carries out format conversion.
In the B ultrasound monolithic processor control device of the miniaturization, the model STC15W401AS of the microcontroller is described
The 1st foot, the 7th foot, the 16th foot of microcontroller are all connected with indicating unit；The other end of the 3rd foot connection first resistor of microcontroller, it is single
4th foot of piece machine connects the other end of the 8th resistance, and the 2nd foot of microcontroller and the 5th foot are all connected with probe, the 6th foot of microcontroller
Feeder ear is connected, the 9th foot, the 10th foot and the 13rd foot of microcontroller are all connected with communication unit, the 11st foot of microcontroller and the 15th foot
It is all connected with keypad, the 12nd foot of microcontroller connects the other end of the 5th resistance, and the 14th foot of microcontroller connects battery-end.
In the B ultrasound monolithic processor control device of the miniaturization, the indicating unit include the 9th resistance, the tenth resistance,
Eleventh resistor, is full of indicator light and standby indicating lamp at charging indicator light；
The anode of the charging indicator light connects the anode and feeder ear of the anode, standby indicating lamp that are full of indicator light；Charging refers to
Show that the cathode of lamp connects the 1st foot of microcontroller by the 9th resistance, the cathode full of indicator light connects monolithic by the tenth resistance
16th foot of machine, the cathode of standby indicating lamp connect the 7th foot of microcontroller by eleventh resistor.
In the B ultrasound monolithic processor control device of the miniaturization, the communication unit includes interface, communication chip, the tenth
Two resistance, thirteenth resistor, the 14th resistance, the 4th capacitance and the 5th capacitance；
The REGIN feet of the communication chip by the 5th capacity earth, the REGIN feet of communication chip be also connected with the 1st foot of interface,
Communication chip /RST feet and VBUS feet；The VDD feet of communication chip are connect by the 4th capacity earth, the D+ feet of communication chip
3rd foot of mouth, the 2nd foot of the D- foot connecting interfaces of communication chip, the TXD feet of communication chip connect monolithic by thirteenth resistor
9th foot of machine, the RXD feet of communication chip connect the 10th foot of microcontroller by the 14th resistance, and the 1st foot of interface passes through the tenth
Two resistance connect the 13rd foot of microcontroller.
A kind of B ultrasound single-chip computer control system of miniaturization, including adapter, battery and probe, further include keypad and
The B ultrasound monolithic processor control device；
The B ultrasound monolithic processor control device charges to battery according to the supply voltage that adapter inputs, according to the access of adapter
State selects adapter power supply or battery powered, according to the light on and off of indicator light built in current working state control, is worked as with display
Preceding working condition；
B ultrasound monolithic processor control device exports main power source to B ultrasound master according to the starting switch signal control button plate that keypad inputs
Plate and PC systems；It is carried out working state signal, the button of the probe signal of probe and keypad after handshake communication with PC systems
Signal is exported to PC systems and is shown.
In the B ultrasound single-chip computer control system of the miniaturization, the starting switch circuit of the keypad include start key,
Metal-oxide-semiconductor, triode, the 15th resistance, the 16th resistance and the 17th resistance；
1st foot of the start key and the 3rd foot are；The 2nd foot connection the 4th foot of start key of start key, the 15th resistance
One end and B ultrasound monolithic processor control device；The other end connection B ultrasound monolithic processor control device of 15th resistance, the source electrode of metal-oxide-semiconductor and
One end of 16th resistance, the grid of metal-oxide-semiconductor connect the collector of the other end and triode of the 16th resistance, the leakage of metal-oxide-semiconductor
Pole connects main power source end, and the base stage of triode connects B ultrasound monolithic processor control device by the 17th resistance.
Compared to the prior art, the B ultrasound monolithic processor control device and its system of miniaturization provided by the invention, B ultrasound monolithic
Machine control device includes：Charging circuit, single chip machine controlling circuit, B ultrasound mainboard and PC systems；The charging circuit is defeated by adapter
The supply voltage entered is converted to charging current and charges for battery, and charging circuit carries out adapter confession automatically according to power input status
Electric and battery powered switching, also feeds back to single chip machine controlling circuit by working state signal；Single chip machine controlling circuit is to work
Status signal controls the light on and off of built-in indicator light after being sampled, to show current working condition；Single chip machine controlling circuit root
Main power source is switched to B ultrasound mainboard and PC systems by the starting switch signal control button plate inputted according to keypad；Microcontroller controls
Circuit carries out handshake communication with PC systems, and the push button signalling of working state signal, the probe signal of probe and keypad is carried out
Output to PC systems are shown after format conversion.Compared with existing B ultrasound single-chip computer control system, partial circuit and interface are eliminated,
Circuit is simpler.
Description of the drawings
Fig. 1 is the schematic diagram of existing B ultrasound single-chip computer control system.
Fig. 2 is the structure diagram of the B ultrasound single-chip computer control system of miniaturization provided by the invention.
Fig. 3 is the circuit diagram of charhing unit in charging circuit provided by the invention.
Fig. 4 is the circuit diagram of state detection unit in charging circuit provided by the invention.
Fig. 5 is the circuit diagram of microcontroller in single chip machine controlling circuit provided by the invention.
Fig. 6 is the circuit diagram of indicating unit in single chip machine controlling circuit provided by the invention.
Fig. 7 is the circuit diagram of communication unit in single chip machine controlling circuit provided by the invention.
Fig. 8 is the circuit diagram of keypad provided by the invention.
Specific implementation mode
The present invention provides a kind of the B ultrasound monolithic processor control device and its system of miniaturization, controls existing B ultrasound microcontroller
The circuit of device is improved, and is saved partial function circuit and is replaced with the circuit more simplified, to reduce corresponding circuit
Module and electronic device, to save cost.To make the purpose of the present invention, technical solution and effect clearer, clear and definite, join below
Developing simultaneously according to attached drawing, the present invention is described in more detail for embodiment.It should be appreciated that specific embodiment described herein only to
It explains the present invention, is not intended to limit the present invention.
Referring to Fig. 2, the B ultrasound single-chip computer control system of miniaturization provided in an embodiment of the present invention includes B ultrasound microcontroller control
Device, the adapter of 19V, battery, keypad and probe processed.The B ultrasound monolithic processor control device includes charging circuit 10, monolithic
Machine control circuit 20, B ultrasound mainboard 30 and PC systems 40.The charging circuit 10 connects single chip machine controlling circuit 20, adapter, electricity
Pond and keypad, single chip machine controlling circuit 20 connect keypad, PC systems 40 and probe, and the B ultrasound mainboard 30 connects PC systems
40 and keypad.
The supply voltage AVDD for the 19V that adapter inputs is converted to charging current and is filled for battery by the charging circuit 10
Electricity.Charging circuit 10 carries out adapter power supply and battery powered switching according to power input status automatically, also by working condition
Signal（Including filling power detection signal CSD, adapter detection signal AD and battery capacity detection signal BT）Feed back to microcontroller control
Circuit 20 processed.Single chip machine controlling circuit 20 carries out working state signal the light on and off of the built-in indicator light of control after AD samplings, with aobvious
Show current working condition.Keypad detection start key exports starting switch signal SOFT_START_S, the list when being pressed
Piece machine control circuit exports main switch signal MAIN_S control buttons plate by main electricity according to starting switch signal SOFT_START_S
Source MP_OUT is switched to B ultrasound mainboard 30 and PC systems 40.PC systems 40 enter supersonic boundary surface after with single chip machine controlling circuit 20 into
Row handshake communication, single chip machine controlling circuit 20 is by working state signal, probe signal (including the identification signal of probe feedback
probe（Whether detection probe plugs）With type identification signal one_wrie（What identification was plugged is any probe）) and keypad
Outputting data signals to PC systems 40 are shown after the push button signalling that upper each button is pressed carries out format conversion.
The present embodiment eliminates power switching circuit and electric quantity acquisition circuit compared with existing B ultrasound single-chip computer control system,
Adapter power supply and battery powered switching are carried out by charging circuit；Meanwhile directly corresponding battery electricity is exported from charging circuit
Amount detection signal is sampled and is shown to single chip machine controlling circuit.The present embodiment, which eliminates, soft opens circuit（It is existing by LTC2954
Chip controls）, the connection of main power source MP_OUT is directly controlled according to the start key on keypad by single chip machine controlling circuit.This
Embodiment eliminates instruction system（It is made of LM358 comparison circuits）, indicating section directly controls corresponding instruction by microcontroller
Lamp.
The present embodiment has reduced the number of the interface of existing PC systems, eliminates the interface with keypad and probe connection.Due to connecing
Mouth is few, and without RS232 interface, avoids the need for being extended the problem for leading to circuit complexity with USB-HUB.Probe and keypad
Signal directly handled by single chip machine controlling circuit after by single channel RS232 interface or USB interface（I.e. PC systems are controlled with microcontroller
Data-signal interactive communication is carried out by TXD_MCU, RXD_MCU between circuit）PC systems are uploaded to, keep circuit layout simpler
It is single.
The present embodiment is optimized entire super by carrying out circuit structure recombination and improvement to existing B ultrasound single-chip computer control system
Acoustic control system, circuit is simpler, cost reduction, debugging is convenient, availability is high, easy to produce.
Also referring to Fig. 3 and Fig. 4, the charging circuit 10 includes charhing unit 110 and state detection unit 120；Institute
State 110 connection state detection unit 120 of charhing unit, adapter, battery and keypad；The charhing unit 110 is electric by power supply
Pressure is converted to charging current and charges for battery, and when test adaptor accesses, and is switched to adapter power supply；Detection is without adapter
Battery powered is switched to when access.The state detection unit 120 is generated according to the charging current that charging chip U1 is exported and is corresponded to
Level fills power detection signal CSD, according to the adapter detection signal AD for connecing disconnected state and generating corresponding level of adapter, obtains
The current electricity of battery and the battery capacity detection signal BT for generating corresponding level.
In the present embodiment, the charhing unit 110 includes charging chip U1, the switching tube Qa of model MAX1873（Model
For SI4459ADY）, inductance L, first resistor device Ra1, second resistor Ra2,3rd resistor device Ra3, the first filter capacitor Ca1,
Second filter capacitor Ca2, third filter capacitor Ca3, the 4th filter capacitor Ca4；The DCIN feet connection of the charging chip U1 is suitable
The output end DC_IN of orchestration, one end of first resistor device Ra1 and charging chip U1 CSSP feet；The IOUT feet of charging chip U1
Connect the output end of charhing unit（For exporting supply voltage MAX_OUT）, 3rd resistor device Ra3 one end and the second filtered electrical
Hold one end of Ca2, the other end of 3rd resistor device Ra3 passes through the another of first filter capacitor Ca1 the second filter capacitors of connection Ca2
End and ground；The other end of the CSSN feet connection first resistor device Ra1 of charging chip U1, the 1st foot and load end of switching tube Qa
SYSTEM_LOAD；The EXT feet connection of the 2nd foot and the 3rd foot of the 1st foot connecting valve pipe Qa of switching tube Qa, charging chip U1 is opened
The 4th foot of pipe Qa is closed, the 5th foot, the 6th foot and the 7th foot of switching tube Qa are all connected with one end of the 8th foot and inductance L of switching tube Qa,
One end of other end connection second resistor Ra2 of inductance L, the one of the CSB feet of charging chip U1 and third filter capacitor Ca3
The other end at end, second resistor Ra2 connects battery-end（Corresponding cell voltage BAT）, charging chip U1 BATT feet and the 4th
One end of filter capacitor Ca4, the other end of third filter capacitor Ca3 and the other end of the 4th filter capacitor Ca4 are grounded.
The supply voltage AVDD for the 19V that the charging chip U1 inputs adapter（From the DC_IN inputs in Fig. 3）Conversion
For charging current, the access between charging chip U1 and battery is connected by EXT feet-controlled pipes Qa to charge to battery.
When charging chip U1 also test adaptors access, it is switched to adapter power supply, i.e., the supply voltage AVDD of 19V is converted into power supply
Voltage MAX_OUT is exported from IOUT feet, and supply voltage MAX_OUT corresponds to charging current MAX_IOU, i.e. IOUT feet also export charging
Electric current MAX_IOU.If charging chip U1 detects the AVDD inputs of its DCIN foot non-transformer voltage, identification is accessed without adapter, from
Dynamic to be switched to battery powered, i.e. battery-end BAT is provided after voltage is converted to supply voltage MAX_OUT to charging chip U1 and is exported.
The three resistors Ra3, the first filter capacitor Ca1 and the second filter capacitor Ca2 are filtered surely supply voltage MAX_OUT
Pressure.What load end SYSTEM_LOAD indicated connection is entire controlled rear system（Load）, i.e., entire ultrasonic control system.
In the present embodiment, the state detection unit 120 includes first resistor R1, second resistance R2,3rd resistor R3, the
Four resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the first capacitance C1, the second capacitance C2 and
Third capacitance C3；The output end of one end and charhing unit 110 of one end connection second resistance R2 of the first resistor R1, first
The other end of resistance R1 connects one end and the single chip machine controlling circuit 20 of the first capacitance C1, the other end of second resistance R2 and first
The other end of capacitance C1 is grounded, the power input of one end connection adapter of 3rd resistor R3（Input supply voltage
AVDD）, one end of one end and the 5th resistance R5 of the 4th resistance R4 of other end connection of 3rd resistor R3, the 5th resistance R5's is another
One end of the second capacitance C2 of one end connection and single chip machine controlling circuit 20, the other end of the 4th resistance R4 and the second capacitance C2's is another
One end is grounded, and one end of the 6th resistance R6 connects battery（Input cell voltage BAT）, the other end connection the of the 6th resistance R6
One end of one end and the 8th resistance R8 of seven resistance R7, one end of the other end connection third capacitance C3 of the 8th resistance R8 and monolithic
Machine control circuit 20, the other end of the 7th resistance R7 and the other end of third capacitance C3 are grounded.
In the present embodiment, first resistor R1, second resistance R2 and the first capacitance C1 form charging state detection circuit；If filling
Electrical chip U1 is charging, then the charging current MAX_IOU exported generates filling for corresponding level by charging state detection circuit
Power detection signal CSD, it is low level or 0V that no charging current MAX_IOU, which then fills power detection signal CSD,；Single chip machine controlling circuit 20
It can determine whether charging according to the level value for filling power detection signal CSD.3rd resistor R3, the 4th resistance R4, the 5th electricity
It hinders R5 and the second capacitance C2 forms adaptor detection circuit.Adapter has supply voltage AVDD inputs when accessing, by adapter
The adapter detection signal AD of corresponding level is exported after detection circuit partial pressure；If no adapter access, adapter detect signal
AD is low level or 0V；The level value that single chip machine controlling circuit 20 detects signal AD according to adapter can judge whether there is adaptation
Device accesses.6th resistance R6, the 7th resistance R7, the 8th resistance R8 and third capacitance C3 form battery power detection circuit, according to
The current cell voltage BAT of battery generates the battery capacity detection signal BT of corresponding level；Single chip machine controlling circuit 20 is according to electricity
The level value of pond electric power detection signal BT identifies the current remaining capacity of battery.
Also referring to Fig. 5, Fig. 6 and Fig. 7, the single chip machine controlling circuit 20 includes microcontroller U2,210 and of indicating unit
Communication unit 220；The microcontroller U2 exports corresponding condition indicative signal to control instruction after being sampled to working state signal
The light on and off of corresponding indicator light in unit 210；The starting switch signal output main switch signal that microcontroller is inputted according to keypad come
Control button plate is connected, to export main power source to B ultrasound mainboard and PC systems；Microcontroller also passes through communication unit 220 and PC systems
Handshake communication is carried out, the push button signalling of working state signal, the probe signal of probe and keypad is carried out lattice by communication unit 220
Output to PC systems are shown after formula conversion.
The family chip of model STC15W401AS can be used in the microcontroller U2, specific optional model
STC15W401AS_SOP16_DIP16, the 1st foot of the microcontroller U2（P1.2/ADC2/SS/ECI/CMPO）, the 7th foot
（P5.5/CMP+）, the 16th foot（P1.0/ADC1/CCP0）It is all connected with indicating unit 210；The 3rd foot of microcontroller U2（P1.4/
ADC4/MISO）Connect the other end of first resistor R1, the 4th foot of microcontroller U2（P1.5/ADC5/SCLK）Connect the 8th resistance
The other end of R8, the 2nd foot of microcontroller U2（P1.3/ADC3/MOSI）With the 5th foot（P5.4/RST/MCLKO/CMP-）It is all connected with
Probe, the 6th foot of microcontroller U2（Vcc）Connect feeder ear（+3.3V）, the 9th foot of microcontroller U2（）, the 10th foot（P3.1/TXD/T2）With the 13rd foot（）It is all connected with communication unit 220, the 11st foot of microcontroller U2（P3.2/INT0）With
15 feet（P1.0/ADC0/CCP1）It is all connected with keypad, the 12nd foot of microcontroller U2（P3.3/INT1）Connect the 5th resistance R5's
The other end, the 14th foot of microcontroller U2（）Connect battery-end.Microcontroller U2
The 2nd foot（P1.3/ADC3/MOSI）Vacantly（NC is reserved）, the 8th foot of microcontroller U2（Gnd）Ground connection.Wherein, microcontroller U2
The 9th foot and the 10th foot be serial communication foot, be used for and host communication；13rd foot is for detecting whether USB plugs.
The indicating unit 210（Such as Fig. 6）Refer to including the 9th resistance R9, the tenth resistance R10, eleventh resistor R11, charging
Show lamp LED1, be full of indicator light LED2 and standby indicating lamp LED3；The anode connection of the charging indicator light LED1 is full of instruction
The anode of lamp LED2, the anode and feeder ear of standby indicating lamp LED3（+3.3V）；The cathode of charging indicator light LED1 passes through the 9th
The 1st foot of resistance R9 connection microcontrollers U2, the cathode full of indicator light LED2 pass through the tenth resistance R10 connection microcontrollers U2 the
16 feet, the 7th foot that the cathode of standby indicating lamp LED3 passes through eleventh resistor R11 connection microcontrollers U2.
The communication unit 220（Such as Fig. 7）Including interface J1, communication chip U3（Model CP2101）, twelfth resistor
R12, thirteenth resistor R13, the 14th resistance R14, the 4th capacitance C4 and the 5th capacitance C5；The REGIN of the communication chip U3
Foot by the 5th capacitance C5 ground connection, the REGIN feet of communication chip U3 be also connected with the 1st foot of interface J1, communication chip U3 /RST
Foot and VBUS feet；The VDD feet of communication chip U3 are by the 4th capacitance C4 ground connection, and the of the D+ foot connecting interfaces J1 of communication chip U3
3 feet, the 2nd foot of the D- foot connecting interfaces J1 of communication chip U3, the TXD feet of communication chip U3 are connected by thirteenth resistor R13
The RXD feet of the 9th foot of microcontroller U2, communication chip U3 pass through the 10th foot of the 14th resistance R14 connection microcontrollers U2, interface J1
The 1st foot the 13rd foot that passes through twelfth resistor R12 connection microcontrollers U2.
The present embodiment is improved to be adapted to single chip machine controlling circuit 20 starting switch circuit on keypad, please joins together
Fig. 8 is read, starting switch circuit includes start key K1, metal-oxide-semiconductor Q1（PMOS）, triode Q2（NPN）, the 15th resistance R15, the tenth
Six resistance R16 and the 17th resistance R17；The 1st foot and the 3rd foot of the start key K1 is；The 2nd foot connection of start key K1 is opened
The 4th foot, one end of the 15th resistance R15 and the 11st foot of microcontroller U2 of dynamic key K1；The other end of 15th resistance R15 connects
One end of the output end of charhing unit 110, the source electrode and the 16th resistance R16 of metal-oxide-semiconductor Q1, the grid connection the tenth of metal-oxide-semiconductor Q1
The collector of the other end and triode Q2 of six resistance R16, the drain electrode connection main power source end of metal-oxide-semiconductor Q1（Export main power source MP_
OUT）, the 15th foot that the base stage of triode Q2 passes through the 17th resistance R17 connection microcontrollers U2.
In the present embodiment, microcontroller U2 is to filling power detection signal CSD, adapter detection signal AD and battery capacity detection letter
Number BT exports corresponding condition indicative signal after carrying out AD samplings respectively（Including charging instruction signal CI, it is full of indication signal FOE
With standby indication signal STANDBY）.Specially：Filling power detection signal CSD has level value, then exports the charging instruction of high level
Signal CI；Adapter, which detects signal AD or battery capacity detection signal BT, level value, then exports the standby instruction letter of high level
What the level value of number STANDBY, battery capacity detection signal BT reached that upper limit value then exports high level is full of indication signal FOE；
It is on the contrary then export low level or 0V.Charging instruction signal CI, it is height electricity full of indication signal FOE, standby indication signal STANDBY
Usually, corresponding charging indicator light LED1, light full of indicator light LED2, standby indicating lamp LED3；Otherwise extinguish.Such basis
The light on and off of indicator light can facilitate user to judge the current working condition of B ultrasound monolithic processor control device.
Keypad detection start key K1 is pressed（2,3 feet connection drags down）When export low level starting switch signal
SOFT_START_S unclamps then start key K1 and bounces recovery high level, this sentences low level and carries out triggering startup.The microcontroller
Control circuit exports the main switch signal MAIN_S controls of high level according to low level starting switch signal SOFT_START_S
Triode Q2 conductings, to drag down the grid of metal-oxide-semiconductor Q1, metal-oxide-semiconductor Q1 conductings, supply voltage MAX_OUT becomes by metal-oxide-semiconductor Q1
It is changed to main power source MP_OUT to export to B ultrasound mainboard 30 and PC systems 40, to be powered.
The signal of microcontroller output needs to export to PC systems after turning serial ports by USB.Microcontroller institute is in need defeated
The data-signal gone out is transmitted to communication chip U3 by signal wire TXD_MCU and carries out format conversion, through signal wire USB_DP_IN,
USB_DM_IN is exported from interface J1 to PC systems 40.The data-signal of 40 all outputs of PC systems is inputted by interface J1, through letter
Number line USB_DP_IN, USB_DM_IN are transmitted to communication chip U3 and carry out format conversion, then are transmitted to list through signal wire RXD_MCU
Piece machine.
In the present embodiment, microcontroller first carries out port initialization after the power is turned on, i.e., is initialized to each peripheral interface, including docking
The serial communication initialization of mouth J1, the ports AD（Each pin being connected with state detection unit 120）Initialization.Initialization
Opens interrupters after complete, subsequently into main program.
PC systems 40 enter after supersonic boundary surface carries out handshake communication with microcontroller.USB detection of power loss is carried out in the course of work
（Realize that USB power down whole systems synchronize power-off）, switching on and shutting down button detection（Realize power on/off function）, working condition detection, visit
Head identification and button switching.
When microcontroller carries out working condition detection, AD samplings are carried out to working state signal and various states are passed through into instruction
Lamp indicates, information about power is also transmitted to PC systems by serial ports.Microcontroller carries out probe identification（The identification for model of popping one's head in）
It afterwards will be on type identification signal one_wrie, working state signal and the keypad on the identification signal probe of probe and probe
The push button signalling that each button is pressed is shown by being exported to PC systems 40 after communication chip U3 format conversions.
Wherein, port initialization, Handshake Protocol, the detection of switching on and shutting down button, working condition detection, probe identification are carried out and is pressed
The program code of key switching is as follows.
Void main (void)/* main programs */
// port initialization
{ bit kaiji_bs=0;
uchar zz,zz1;
// setting recommending output mode;It only need to be the corresponding position 1 of P*M0 registers
P1M0=B0000_0110;
P5M0=B0011_0000;
P3M1=B1100_1100;
P3M0=B0000_1000;
KaiJi_KZ=0;
CongMan_LED=0;// it is full of indicator light
CongDian_LED=0;// charging indicator light
Work light does not occupy monolithic under-chassis position, and deleting herein can DaiJi_LED=0;// standby
Indicator light
UartInit();
InitADC(); //Init ADC sfr
Timer0Init();// 50 milliseconds of@11.0592MHz
EA=1;Opened after the completion of/* initialization it is total interrupt */
send_UART_one(0x55);
while(1)
{
If (wosou_bs==1) // mark of shaking hands
{wosou_bs=0;
send_UART_one(0xEE);
send_UART_one(0xEF);
}
//USB power down is shut down
if((USB_JianCe==0)&&(kaiji_bs==1))
{Delay3000ms();
if(USB_JianCe==0){KaiJi_KZ=0;kaiji_bs=0;}
}
// on/off (long-press is more than 5 seconds automatic shutdowns)
if(KaiJi_JianCe==0)
{Delay500ms();
if(KaiJi_JianCe==0)
{
if(KaiJi_KZ==0)
{KaiJi_KZ=1;kaiji_bs=1;}
else
{
send_UART_one(95);// send shutdown command
}
while(KaiJi_JianCe==0)
{
Delay50ms();
zz++;
if(zz>100)
{
zz=0;
KaiJi_KZ=0;kaiji_bs=0;
Delay500ms();
break;
}
}
}
}
/////////////////////////////////////////////////////////////////////////
// // charging+electric power detection (P1.5 battery capacities detect foot+P1.4 charged states foot) // // // // //
///////////////////
// 1. 0XD1--PC inquire battery status
// 2. passback agreements
// first character section:0XFE (254) -- charged state/0XFD (253) -- non-charged state
// the second byte:Charge value
///////////////////////////////////////////////////////////////////////
//GongZuo_LED=0;Work light operating condition
if(kaiji_bs==1)GongZuo_LED=1;
else GongZuo_LED=0;
//DaiJi_LED=0;Standby indicating lamp operating condition
if((power_JianCe==1)&&(kaiji_bs==0))DaiJi_LED=1;
else DaiJi_LED=0;
//CongDian_LED=0;// charging indicator light operating condition
if((CongDian_bs==1)&&(DianCi_JianCe==1)&&(power_JianCe==1))
CongDian_LED=1;
else CongDian_LED=0;
//CongMan_LED=0;// it is full of indicator light operating condition
if((CongMan_bs==1)&&(DianCi_JianCe==1)&&(power_JianCe==1))
CongMan_LED=1;// it is full of indicator light
else CongMan_LED=0;
////////////////////////////////////////////////////////////////////////
if(s1_bs==1)
{
s1_bs=0;
if((GetADCResult(4)>10)&&(DianCi_JianCe==1))//
Circuit is in charged state
{
CongDian_bs=1;CongMan_bs=0;
zz1=GetADCResult(5);// electric power detection；Show ADC-
P1.5
if(zz1>250)zz1=250;// reserve transport protocol labeling head
////////////////////////////////////////////
// battery full voltage：0, tape adapter unit： 3.12 -F1
// 1, not tape adapter unit：3.0 -EA
// battery undervoltage：0, tape adapter unit： 2.76 -D6
// 1, not tape adapter unit, 2.60-CA
// it is subject to not tape adapter unit
if(((kaiji_bs==1)&&(sec_bs==1))||(Ca_Xun_
BiaoSi==1))
{
sec_bs=0; Ca_Xun_BiaoSi=0;
if((zz1+76)>250)zz1=250;
else zz1=zz1+76;
send_UART_one(254);// 0XFE-- charged states
send_UART_one(zz1);// charge value
}
}
Else // circuit is in non-charged state
{
if(DianCi_JianCe==1)
{
CongMan_bs=1;CongDian_bs=0;
}
if(((kaiji_bs==1)&&(sec_bs==1))||(Ca_Xun_
BiaoSi==1))
{
sec_bs=0; Ca_Xun_BiaoSi=0;
zz1=GetADCResult(5);// electric power detection；Display
ADC—P1.5
if((zz1+76)>250)zz1=250;
else zz1=zz1+76;
send_UART_one(253);The non-charging shapes of // 0XFD--
State
send_UART_one(zz1);// charge value
}
}
}
The key scan program of A and hair value program (AD acquisition modes) on // // // // probe // // // // // // // // // ///
//////////////////////
// // // // key value is:76,77,78,79
zz=GetADCResult(3);// button voltage detecting；Show ADC-P1.3（It is probe herein
The probe button of the microcontroller of plate detects）
//if(zz!=0xff)send_UART_one(zz);
if((zz>(KEYA-6))&&(zz<(KEYA+6)))//0xa6
{
Delay20ms();
zz=GetADCResult(3);// button voltage detecting；Show ADC-P1.3
if((zz>(KEYA-10))&&(zz<(KEYA+10)))
{
// send_UART_one(zz);
while(zz<0xe6)
{
zz=GetADCResult(3);// button voltage detecting；Display
ADC—P1.3
if(zz>=0xe6){zz=0;break;}
Delay20ms();
// send_UART_one(76);
}
send_UART_one(76);
}
}
else if((zz>(KEYB-10))&&(zz<(KEYB+10)))
{
Delay20ms();
zz=GetADCResult(3);// button voltage detecting；Show ADC-P1.3
if((zz>(KEYB-10))&&(zz<(KEYB+10)))
{
// send_UART_one(zz);
while(zz<0xe6)
{
zz=GetADCResult(3);// button voltage detecting；Show ADC-P1.3
if(zz>=0xe6){zz=0;break;}
Delay20ms();
// send_UART_one(77);
}
send_UART_one(77);
}
}
else if((zz>(KEYC-10))&&(zz<(KEYC+10)))
{
delay_xms(250);
zz=GetADCResult(3);// button voltage detecting；Show ADC-P1.3
if((zz>(KEYC-10))&&(zz<(KEYC+10)))
{
// send_UART_one(zz);
send_UART_one(78);
while(zz<0xe6)
{
zz=GetADCResult(3);// button voltage detecting；Show ADC-
P1.3
if(zz>=0xe6){zz=0;break;}
delay_xms(1500);
zz=GetADCResult(3);// button voltage detecting；Show ADC-
P1.3
if(zz>=0xe6){zz=0;break;}
send_UART_one(78);
}
}
}
else if((zz>(KEYD-10))&&(zz<(KEYD+10)))
{
delay_xms(200);
zz=GetADCResult(3);// button voltage detecting；Show ADC-P1.3
if((zz>(KEYD-10))&&(zz<(KEYD+10)))
{
// send_UART_one(zz);
send_UART_one(79);
while(zz<0xe6)
{
zz=GetADCResult(3);// button voltage detecting；Display
ADC—P1.3
if(zz>=0xe6){zz=0;break;}
delay_xms(1500);
zz=GetADCResult(3);// button voltage detecting；Display
ADC—P1.3
if(zz>=0xe6){zz=0;break;}
send_UART_one(79);
}
}
}
In conclusion the B ultrasound monolithic processor control device of miniaturization provided by the invention is mostly used with existing producer's design scheme
The design that routinizes is different, eliminates existing partial circuit, eliminates multiple circuit elements, the novel circuit structure of design is simpler
Single and multiple functional, debugging is convenient（Only need download program that its institute can be completed functional）And upgrading is convenient（It only needs to change
Its program can increase function）, PCB circuit designs are simple, small, are suitble to widely popularize.
The division of above-mentioned function module, can be as needed by above-mentioned function only to for example, in practical applications
Distribution is completed by different function modules, that is, different function modules is divided into, to complete all or part of foregoing description
Function.
It, can according to the technique and scheme of the present invention and its hair it is understood that for those of ordinary skills
Bright design is subject to equivalent substitution or change, and all these changes or replacement should all belong to the guarantor of appended claims of the invention
Protect range.
Claims (9)
1. a kind of B ultrasound monolithic processor control device of miniaturization, connection adapter, battery, keypad and probe, which is characterized in that
Including：Charging circuit, single chip machine controlling circuit, B ultrasound mainboard and PC systems；
The supply voltage that adapter inputs is converted to charging current and charged for battery by the charging circuit, and charging circuit is according to electricity
Source input state carries out adapter power supply and battery powered switching automatically, and working state signal is also fed back to microcontroller control
Circuit；
Single chip machine controlling circuit controls the light on and off of built-in indicator light after being sampled to working state signal, to show current work
Make state；Main power source is switched to B ultrasound by the starting switch signal control button plate that single chip machine controlling circuit is inputted according to keypad
Mainboard and PC systems；Single chip machine controlling circuit carries out handshake communication with PC systems, by working state signal, the probe signal of probe
Output to PC systems are shown after carrying out format conversion with the push button signalling of keypad.
2. the B ultrasound monolithic processor control device of miniaturization according to claim 1, which is characterized in that the charging circuit packet
Include charhing unit and state detection unit：
Supply voltage is converted to charging current and charged for battery by the charhing unit, and when test adaptor accesses, switching
It powers for adapter；Detection is switched to battery powered when being accessed without adapter；
The corresponding level of charging current generation that the state detection unit is exported according to charging chip fills power detection signal, according to
The adapter detection signal for connecing disconnected state and generating corresponding level of adapter, also obtains the current electricity of battery and generates corresponding electricity
Flat battery capacity detects signal.
3. the B ultrasound monolithic processor control device of miniaturization according to claim 2, which is characterized in that the state-detection list
Member includes first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th electricity
Resistance, the first capacitance, the second capacitance and third capacitance；
The output end of one end and charhing unit of one end connection second resistance of the first resistor, the other end of first resistor connect
Connecing one end and the single chip machine controlling circuit of the first capacitance, the other end of the other end of second resistance and the first capacitance is grounded, and
The other end of the power input of one end connection adapter of three resistance, 3rd resistor connects one end and the 5th electricity of the 4th resistance
The other end of one end of resistance, the 5th resistance connects one end and the single chip machine controlling circuit of the second capacitance, the other end of the 4th resistance
It is grounded with the other end of the second capacitance, one end of the 6th resistance connects battery, and the other end of the 6th resistance connects the 7th resistance
One end and the 8th resistance one end, one end of the other end connection third capacitance of the 8th resistance and single chip machine controlling circuit, the
The other end of seven resistance and the other end of third capacitance are grounded.
4. the B ultrasound monolithic processor control device of miniaturization according to claim 3, which is characterized in that the microcontroller control
Circuit includes microcontroller, indicating unit and communication unit；
It is corresponding in indicating unit to control that the microcontroller exports corresponding condition indicative signal after being sampled to working state signal
The light on and off of indicator light；
The starting switch signal output main switch signal that microcontroller is inputted according to keypad is connected come control button plate, to export master
Power supply is to B ultrasound mainboard and PC systems；
Microcontroller also carries out handshake communication by communication unit and PC systems, and communication unit is by the spy of working state signal, probe
Output to PC systems are shown after the push button signalling of head signal and keypad carries out format conversion.
5. the B ultrasound monolithic processor control device of miniaturization according to claim 4, which is characterized in that the type of the microcontroller
Number be STC15W401AS, the 1st foot, the 7th foot, the 16th foot of the microcontroller are all connected with indicating unit；3rd foot of microcontroller connects
The other end of first resistor is connect, the 4th foot of microcontroller connects the other end of the 8th resistance, and the 2nd foot of microcontroller and the 5th foot connect
Probe is connect, the 6th foot of microcontroller connects feeder ear, and the 9th foot, the 10th foot and the 13rd foot of microcontroller are all connected with communication unit, single
11st foot of piece machine and the 15th foot are all connected with keypad, and the 12nd foot of microcontroller connects the other end of the 5th resistance, microcontroller
14th foot connects battery-end.
6. the B ultrasound monolithic processor control device of miniaturization according to claim 5, which is characterized in that the indicating unit packet
It includes the 9th resistance, the tenth resistance, eleventh resistor, charging indicator light, be full of indicator light and standby indicating lamp；
The anode of the charging indicator light connects the anode and feeder ear of the anode, standby indicating lamp that are full of indicator light；Charging refers to
Show that the cathode of lamp connects the 1st foot of microcontroller by the 9th resistance, the cathode full of indicator light connects monolithic by the tenth resistance
16th foot of machine, the cathode of standby indicating lamp connect the 7th foot of microcontroller by eleventh resistor.
7. the B ultrasound monolithic processor control device of miniaturization according to claim 6, which is characterized in that the communication unit packet
Include interface, communication chip, twelfth resistor, thirteenth resistor, the 14th resistance, the 4th capacitance and the 5th capacitance；
The REGIN feet of the communication chip by the 5th capacity earth, the REGIN feet of communication chip be also connected with the 1st foot of interface,
Communication chip /RST feet and VBUS feet；The VDD feet of communication chip are connect by the 4th capacity earth, the D+ feet of communication chip
3rd foot of mouth, the 2nd foot of the D- foot connecting interfaces of communication chip, the TXD feet of communication chip connect monolithic by thirteenth resistor
9th foot of machine, the RXD feet of communication chip connect the 10th foot of microcontroller by the 14th resistance, and the 1st foot of interface passes through the tenth
Two resistance connect the 13rd foot of microcontroller.
8. a kind of B ultrasound single-chip computer control system of miniaturization, including adapter, battery and probe, which is characterized in that further include by
Keypad and such as claim 1-7 any one of them B ultrasound monolithic processor control devices；
The B ultrasound monolithic processor control device charges to battery according to the supply voltage that adapter inputs, according to the access of adapter
State selects adapter power supply or battery powered, according to the light on and off of indicator light built in current working state control, is worked as with display
Preceding working condition；
B ultrasound monolithic processor control device exports main power source to B ultrasound master according to the starting switch signal control button plate that keypad inputs
Plate and PC systems；It is carried out working state signal, the button of the probe signal of probe and keypad after handshake communication with PC systems
Signal is exported to PC systems and is shown.
9. the B ultrasound single-chip computer control system of miniaturization according to claim 8, which is characterized in that the keypad opens
Dynamic switching circuit includes start key, metal-oxide-semiconductor, triode, the 15th resistance, the 16th resistance and the 17th resistance；
1st foot of the start key and the 3rd foot are；The 2nd foot connection the 4th foot of start key of start key, the 15th resistance
One end and B ultrasound monolithic processor control device；The other end connection B ultrasound monolithic processor control device of 15th resistance, the source electrode of metal-oxide-semiconductor and
One end of 16th resistance, the grid of metal-oxide-semiconductor connect the collector of the other end and triode of the 16th resistance, the leakage of metal-oxide-semiconductor
Pole connects main power source end, and the base stage of triode connects B ultrasound monolithic processor control device by the 17th resistance.
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| CN108808788B (en) | 2021-07-16 |
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