CN108336773A - Numerical control mobile power - Google Patents
Numerical control mobile power Download PDFInfo
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- CN108336773A CN108336773A CN201710508628.6A CN201710508628A CN108336773A CN 108336773 A CN108336773 A CN 108336773A CN 201710508628 A CN201710508628 A CN 201710508628A CN 108336773 A CN108336773 A CN 108336773A
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- 235000018290 Musa x paradisiaca Nutrition 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 5
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- H02J7/0026—
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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
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0044—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries
Abstract
The invention discloses a kind of numerical control mobile powers, the work of numerical control mobile power begins by the touch key-press triggering commencing signal of touch key-press circuit to be switched on, it carries out being each module initialization preparation first after booting, initialization includes mainly dormant circuit, touch key-press circuit, liquid crystal display circuit, warning circuit, liquid crystal back light circuit, voltage sampling circuit and current sampling circuit.After opening contactor, complete initialization, program initially enters prevailing operating state, it first passes through voltage collection circuit, current collection circuit, be acquired voltage, electric current, judge whether output has load to access, or whether there is touch key-press circuit working, the numerical control mobile power of the present invention has the function of that carrying is portable, can work as charger baby, using the touch key-press and automatic shutdown etc. lasted a long time, product can be easily debugged at the scene, do not had to insert 220V electricity, can be used everywhere.
Description
Technical field
The invention belongs to power technique fields, relate in particular to a kind of numerical control mobile power.
Background technology
Conventional power source is mostly or turn knob potentiometer adjusts voltage, electric current, and turn knob potentiometer can be affected by temperature to output
Voltage, electric current generates error, and turn knob potentiometer adjusting hastens slow, and position inaccurate, it is not in place that there are Primary regulations
Problem, uses trouble, but DCPS digitally controlled power source is not present the above problem, illustration Jinan China CN104410277A,
All it is to be worked using Digital Control DC power supply, but intelligence realizes numerical control in CN103731051A and similar patent,
Mobile use is can not achieve, cannot be used as charger baby, lithium battery power supply cannot be used, can not achieve this low work(of automatic shutdown
Also there are the patent of mobile power in consumption scheme, market for example：CN106532790A, this is mobile power, cannot achieve numerical control
Pressure regulation adjusts stream, realizes human-computer interaction etc. using touch key-press.
Invention content
In view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of numerical control mobile power, numerical control movement electricity
Source integrates charger baby, mobile use (portable), touch key-press, lithium battery power supply and automatic shutdown.
For this purpose, technical scheme is as follows：
A kind of numerical control mobile power, including：Microcontroller, constant current core circuit, constant pressure core circuit, switching buck DC-
DC conversion circuits, dormant circuit and battery-powered circuit, the battery-powered circuit are respectively touch key-press circuit, first
Relay circuit and the power supply of the second relay circuit, in the battery-powered circuit and touch key-press circuit, the first relay
It is electrically connected with switching circuit between circuit and the second relay circuit, for controlling the battery-powered circuit and touch key-press
Break-make between circuit, the first relay circuit and the second relay circuit；The touch key-press circuit and monolithic mechatronics,
For to the microcontroller input control signal；The dormant circuit respectively with the microcontroller, the first relay circuit and
The electrical connection of two relay circuits, MCU driving dormant circuit first relay circuit of control and the second relay circuit
Break-make；
First relay circuit is powered for switching buck DC-DC conversion circuit, and the switching buck DC-DC turns
Circuit is changed for being depressured to the output voltage of first relay circuit；
Second relay circuit is positive and negative 5V voltage conversion circuits, microcontroller, liquid crystal back light circuit and liquid crystal display circuit
Power supply；
The positive and negative 5V voltage conversion circuits are electrically connected with the constant current core circuit and constant pressure core circuit, are used for institute
It states constant current core circuit and constant pressure core circuit provides dual-supply voltage；The constant current core circuit and constant pressure core circuit difference
Be electrically connected with the switching buck DC-DC conversion circuit, the microcontroller respectively with the constant current core circuit and constant pressure core
Electrocardio road is electrically connected, for driving constant pressure core circuit to adjust output voltage and the drive of switching buck DC-DC conversion circuit
The output current of dynamic constant current core circuit limit switch buck DC-DC conversion circuit；
The switching buck DC-DC conversion circuit is electrically connected with the output module for connecting load, in the switch
It is connected with current sampling circuit and voltage sampling circuit between buck DC-DC conversion circuit and output module, is opened for acquiring
Buck DC-DC conversion circuit is closed to export to the electric current of output module and voltage；The current sampling circuit and voltage sample electricity
Road respectively with the monolithic mechatronics, for the electric current of acquisition and voltage to be transmitted to microcontroller；
The liquid crystal back light circuit and liquid crystal display circuit and monolithic mechatronics.
In the above-mentioned technical solutions, further include：5V regulator circuits, the 5V regulator circuits input battery-powered circuit
Voltage to touch key-press circuit and the second relay circuit is adjusted to 5V.
In the above-mentioned technical solutions, further include：Serial communication circuit connects for being provided for microcontroller download program
Mouthful.
In the above-mentioned technical solutions, the output module includes：USB output interfaces, banana bin output interface and output
The output mode switching circuit of mode switching circuit, the switching buck DC-DC conversion circuit and the output module is electrically connected
It connects, the USB output interfaces and banana bin output interface are electrically connected with the output mode switching circuit respectively, the monolithic
Machine is electrically connected with the output mode switching circuit, for controlling output mode switching circuit in USB output interfaces and banana plug
It is switched between seat output interface.
In the above-mentioned technical solutions, in the switching buck DC-DC conversion circuit and the output mode switching circuit
Between be connected with over-voltage over-current protection circuit, first relay circuit is over-voltage over-current protection circuit power supply, described
Microcontroller is electrically connected with the over-voltage over-current protection circuit, for controlling over-voltage over-current protection circuit to switching buck DC-DC
Conversion circuit is exported to the voltage and current of load and is defined.
In the above-mentioned technical solutions, it is connected between first relay circuit and the over-voltage over-current protection circuit
10V regulator circuits, the voltage for exporting the first relay circuit to over-voltage over-current protection circuit are adjusted to 10V.
In the above-mentioned technical solutions, the quantity of the switching circuit is 1.
In the above-mentioned technical solutions, further include：Warning circuit, the warning circuit and monolithic mechatronics, described second
Relay circuit is powered for warning circuit.
In the above-mentioned technical solutions, further include：Reference source circuit, the reference source circuit respectively with microcontroller and described
Two relay circuits are electrically connected, for the 5V voltage step-downs that export second relay circuit at 2.5V and will be after decompression
Voltage Feedback gives the microcontroller.
In the above-mentioned technical solutions, further include：Intelligent temperature control fan, the intelligent temperature control fan and monolithic mechatronics,
Second relay circuit is powered for intelligent temperature control fan.
In the above-mentioned technical solutions, further include：Electric quantity detecting circuit, the electric quantity detecting circuit respectively with it is battery-powered
Circuit and monolithic mechatronics, the electricity for detecting battery-powered circuit, and signal transmission will be detected to microcontroller.
In the above-mentioned technical solutions, a 3.3V regulator circuits are electrically connected between the second relay circuit and microcontroller,
Voltage for exporting the second relay circuit to microcontroller is adjusted to 3.3V.
Compared with the prior art, numerical control mobile power of the invention have carry it is portable, can work as charger baby, using the service life compared with
The functions such as long touch key-press and automatic shutdown, it may be convenient to product is debugged at the scene, does not have to insert 220V electricity, it can be everywhere
It uses.
Description of the drawings
Fig. 1 is the structural schematic diagram of the numerical control mobile power of the present invention.
Wherein, 1 is USB output interfaces, and 2 be banana bin output interface, and 3 be output mode switching circuit, and 4 be to press through
Stream protection circuit, 5 be 10V regulator circuits, and 6 be battery-powered circuit, and 7 be electric quantity detecting circuit, and 8 be current sampling circuit, 9
It is the first relay circuit for voltage sampling circuit, 10,11 switching circuits, 12 be switching buck DC-DC conversion circuit, and 13 are
Dormant circuit, 14 be the second relay circuit, and 15 be 5V regulator circuits, and 16 be constant current core circuit, and 17 be constant pressure core circuit,
18 be positive and negative 5V voltage conversion circuits, and 19 be serial communication circuit, and 20 be microcontroller, and 21 be 3.3V regulator circuits, and 22 be liquid crystal
Backlight circuit, 23 be warning circuit, and 24 be touch key-press circuit, and 25 be intelligent temperature control fan, and source circuit on the basis of 26,27 be liquid
Brilliant display circuit.
Specific implementation mode
In the specific implementation mode of the present invention, switching buck DC-DC conversion circuit is mainly high-power XL4016,5V
Regulator circuit and 10V regulator circuits be LM2596 small-powers decompression chip, 3.3V power supply circuits mainly be AMS1117-
3.3 chips, the complementary concussion of triode (S8550, S8050) that dormant circuit is realize self-locking to realize button booting and master
Control control shutdown, reference source circuit main chip is TL431 devices, and touch key-press circuit is mainly TS04 totally 4 channel chips, just
Negative 5V voltage conversion circuits are mainly ICL7660 chips, and constant pressure core circuit is LM358 and peripheral resistance, capacitance component
It constitutes, constant current core circuit is mainly that two chips of LM358+OP07 and peripheral capacitance, resistance element are constituted.Liquid crystal display
Circuit is that LCD1602 is shown, voltage collection circuit, current collection circuit and microcontroller are all using STM32f103RBT6 cores
Piece, warning circuit are constituted using buzzer (SOT plastic packagings pipe), liquid crystal back light circuit using triode s8050, intelligent temperature control
Fan is constituted using optocoupler PC817 and radiator fan (farsighted to reach 5010 5V of 5CM).
Battery-powered circuit is connected with power supply, and power supply is whole system energy source.Power supply is using 6 section lithium batteries
(18650) charging of series-fed, lithium battery uses dedicated adapter (25.2V 0.5A), and low current charge helps to protect
Battery extends battery.
The technical solution further illustrated the present invention with reference to specific embodiment.
As shown in Figure 1, including：Microcontroller 20, constant current core circuit 16, constant pressure core circuit 17, switching buck DC-DC
Conversion circuit 12, dormant circuit 13 and battery-powered circuit 6, battery-powered circuit 6 are respectively touch key-press circuit 24, the
One relay circuit 10 and the power supply of the second relay circuit 14, battery-powered circuit 6 and touch key-press circuit 24, first after
Be electrically connected with switching circuit 11 between appliance circuit 10 and the second relay circuit 14, for control battery-powered circuit 6 with
Break-make between touch key-press circuit 24, the first relay circuit 10 and the second relay circuit 14；Touch key-press circuit 24 with
Microcontroller 20 is electrically connected, and is used for 20 input control signal of microcontroller；Dormant circuit 13 respectively with microcontroller 20, the first relay
Circuit 10 and the electrical connection of the second relay circuit 14, microcontroller 20 drive dormant circuit 13 to control the first relay circuit 10 and the
The break-make of two relay circuits 14；
First relay circuit 10 is powered for switching buck DC-DC conversion circuit 12, switching buck DC-DC conversion electricity
Road 12 is for being depressured the output voltage of the first relay circuit 10；
Second relay circuit 14 is positive and negative 5V voltage conversion circuits 18, microcontroller 20, liquid crystal back light circuit 22 and liquid crystal
Display circuit 27 is powered；
Positive and negative 5V voltage conversion circuits 18 are electrically connected with constant current core circuit 16 and constant pressure core circuit 17, are used for constant current
Core circuit 16 and constant pressure core circuit 17 provide dual-supply voltage；Constant current core circuit 16 and constant pressure core circuit 17 respectively with
Switching buck DC-DC conversion circuit 12 be electrically connected, microcontroller 20 respectively with constant current core circuit 16 and constant pressure core circuit 17
Electrical connection, for driving constant pressure core circuit 17 to adjust voltage and the driving constant current of switching buck DC-DC conversion circuit 12
The electric current of 16 limit switch buck DC-DC conversion circuit 12 of core circuit；
Switching buck DC-DC conversion circuit 12 is electrically connected with the output module for connecting load, in switching buck
Current sampling circuit 8 and voltage sampling circuit 9 are connected between DC-DC conversion circuits 12 and output module, for acquiring switch
Buck DC-DC conversion circuit 12 is exported to the electric current and voltage of output module；Current sampling circuit 8 and voltage sampling circuit 9
It is electrically connected respectively with microcontroller 20, for the electric current of acquisition and voltage to be transmitted to microcontroller；
Liquid crystal back light circuit 22 and liquid crystal display circuit 27 are electrically connected with microcontroller 20.
Preferably, further include：5V regulator circuits 15,5V regulator circuits 15 by battery-powered circuit 6 be input to touch by
The voltage of key circuit 24 and the second relay circuit 14 is adjusted to 5V.
Preferably, further include：Reference source circuit 26, reference source circuit 26 respectively with microcontroller 20 and the second relay circuit
14 electrical connections, the 5V voltage step-downs for exporting the second relay circuit 14 are at 2.5V and by the Voltage Feedback after decompression to institute
State microcontroller.
Preferably, further include：Serial communication circuit 19 provides interface for downloading program for microcontroller 20.
Preferably, output module includes：USB output interfaces 1, banana bin output interface 2 and output mode switching circuit
3, switching buck DC-DC conversion circuit 12 is electrically connected with the output mode switching circuit 3 of output module, 1 He of USB output interfaces
Banana bin output interface 2 is electrically connected with output mode switching circuit 3 respectively, microcontroller 20 and 3 electricity of output mode switching circuit
Connection, switches over for controlling output mode switching circuit 3 between USB output interfaces 1 and banana bin output interface 2；
Over-voltage over-current protection circuit 4 is connected between switching buck DC-DC conversion circuit 12 and output mode switching circuit 3, the
One relay circuit 10 is powered for over-voltage over-current protection circuit 4, and microcontroller 20 is electrically connected with over-voltage over-current protection circuit 4, is used for
Control over-voltage over-current protection circuit 4 limits the voltage and current of switching buck DC-DC conversion circuit 12 output to load
It is fixed.
Preferably, it is connected with 10V regulator circuits 5 between the first relay circuit 10 and over-voltage over-current protection circuit 4, uses
It is adjusted to 10V in by the voltage of the first relay circuit 10 output to over-voltage over-current protection circuit 4.
Preferably, further include：Warning circuit 23 and intelligent temperature control fan 25, warning circuit 23 are electrically connected with microcontroller 20,
Second relay circuit 14 is powered for warning circuit 23；Intelligent temperature control fan 25 is electrically connected with microcontroller 20, the second relay electricity
Road 14 powers for intelligent temperature control fan 25.
Preferably, further include：Electric quantity detecting circuit 7, electric quantity detecting circuit 7 respectively with battery-powered circuit 6 and monolithic
Machine 20 is electrically connected, the electricity for detecting battery-powered circuit 6, and will detect signal transmission to microcontroller 20.
Preferably, it is electrically connected with a 3.3V regulator circuits 21 between the second relay circuit 14 and microcontroller 20, is used for
The voltage of second relay circuit 14 output to microcontroller 20 is adjusted to 3.3V；The quantity of switching circuit 11 is 1.
The course of work of numerical control mobile power of the present invention is：When switching circuit is connected to, battery-powered circuit passes through the
One relay circuit is that over-voltage over-current protection circuit and switching buck DC-DC conversion circuit are powered, and is connected to the first relay
10V regulator circuits between circuit and over-voltage over-current protection circuit export the first relay circuit to over-voltage over-current protection circuit
Voltage adjust to 10V；
Battery-powered circuit is that touch key-press circuit and the second relay circuit are powered, wherein is connected to switching circuit
Battery-powered circuit is input to touch key-press by the 5V regulator circuits between touch key-press circuit and the second relay circuit
The voltage of circuit and the second relay circuit is adjusted to 5V.Touch key-press circuit is to microcontroller input control signal.
Dormant circuit is electrically connected with microcontroller, the first relay circuit and the second relay circuit respectively, and microcontroller passes through
The break-make for controlling dormant circuit control the first relay circuit and the second relay circuit, when dormant circuit controls the first relay
When circuit and the second relay circuit disconnect, into dormant state.Dormant circuit can be energy saving and extends battery (power supply) use
Service life, dormant circuit could be activated in the case where numerical control mobile power is without any button operation or use, are refreshed within every 4 minutes primary
Suspend mode program, after suspend mode program executes, countdown can be triggered in 16 seconds by the arbitrary button of touch key-press circuit, and interruption is stopped
Dormancy circuit allows power supply to exit interruption and works on.Dormant circuit is direct deenergization power supply, rather than low-power consumption, is not have
Power consumption has been accomplished complete energy saving.
Second relay circuit is positive and negative 5V voltage conversion circuits, microcontroller, liquid crystal back light circuit, warning circuit, liquid crystal
Display circuit, reference source circuit and the power supply of intelligent temperature control fan, wherein the 3.3V between the second relay circuit and microcontroller
Regulator circuit adjusts the voltage that the second relay circuit is exported to microcontroller to 3.3V.
The voltage that 5V regulator circuits export is converted into constant pressure core circuit and constant current core by positive and negative 5V voltage conversion circuits
The required dual-supply voltage of circuit, MCU driving constant pressure core circuit adjust the defeated of switching buck DC-DC conversion circuit
Go out voltage and drives the output current of constant current core circuit limit switch buck DC-DC conversion circuit.
Switching buck DC-DC conversion circuit is for being depressured the output voltage of the first relay circuit, switch drop
First relay current is transmitted to over-voltage over-current protection circuit by die mould DC-DC conversion circuits, and current sampling circuit and voltage are adopted
Sample circuit acquires the output current and voltage of switching buck DC-DC conversion circuit respectively, and feedback signal is to microcontroller.If
It is arranged after the completion of voltage and current, voltage collection circuit and current collection circuit are aobvious collected new data (electric current and voltage)
Show on the liquid crystal display that liquid crystal display circuit controls.
Microcontroller control over-voltage over-current protection circuit to switching buck DC-DC conversion circuit export to load voltage and
Electric current is defined, and when output voltage is more than setting voltage, switching buck DC-DC conversion circuit is exported to the voltage of load
It is zero, protection load；When output current is more than the electric current of setting, into constant current mode, output voltage accordingly reduces.In this hair
In bright specific implementation mode, specially when more than the 105% of setting voltage, output zero, protection loads.When more than setting
Electric current enters constant current mode, drags down voltage.
Microcontroller control output mode switching circuit is cut between USB output interfaces and banana bin output interface
It changes.
Serial communication circuit downloads program for microcontroller and provides interface.
Electric quantity detecting circuit is used to detect the electricity of battery-powered circuit, and by the signal transmission of testing result to monolithic
Machine, when electricity is less than the 20% of total electricity, MCU driving dormant circuit closes the first relay circuit and the second relay
Circuit, to protect battery-powered circuit.
Microcontroller controls intelligent temperature control fan, liquid crystal display circuit, warning circuit and liquid crystal back light circuit.Reference source circuit
By the decompression of 5V regulator circuits at 2.5V voltages, for for microcontroller AD converter and D/A converter reference voltage is provided.
In the inventive solutions, entire circuit work begins by the touch key-press triggering of touch key-press circuit
Commencing signal is switched on, and carries out being each module initialization preparation first after booting, initialization include mainly dormant circuit,
Touch key-press circuit, liquid crystal display circuit, warning circuit, liquid crystal back light circuit, voltage sampling circuit and current sampling circuit.It beats
After open circuit switch, initialization is completed, program initially enters prevailing operating state, first passes through voltage collection circuit, current acquisition
Whether circuit is acquired voltage, electric current, judges whether output has load to access, or have touch key-press circuit working, such as
Fruit, which has, to be put by key pressing in corresponding key services, and corresponding program is executed.If it is not, touch key-press circuit waits for
By key pressing, liquid crystal display circuit refresh data, output real voltage is fed back to microcontroller, current acquisition by voltage collection circuit
Circuit detects output current situation.
When there is load to access, when there is overvoltage or overcurrent, over-voltage over-current protection circuit is started to work, until not
Overvoltage or overcurrent does not just terminate this circuit.When do not have any load access or by key pressing, dormant circuit can be at 4 minutes
After start to work, and in 4 minutes last countdown 16S (passing through warning circuit) alarm and liquid crystal back light circuit also begin to
Work works always to suspend mode, and wherein constant current core circuit and constant pressure core circuit only can just work in overload, positive and negative
5V voltage conversion circuits mainly provide positive and negative twin voltage and power to constant current core circuit, constant pressure core circuit.
In the inventive solutions, electric within the 5V of USB output interfaces when output is selected as USB output interfaces
When pressing equipment, USB output interfaces acquiescence output 5V/2A, the voltage of USB output interfaces is reduced to 5V voltages, 2A electric currents automatically, defeated
It is to close output in handoff procedure, protection low-voltage equipment will not be switched mould if output is more than 5V after going out pattern switching
Formula process high voltage appearance is burnt out, and charge function, which can be full of, to stop, and mobile device (load) is adequately protected not overcharged.
Banana bin output interface equally has multiple protective, and overvoltage, overcurrent, output circuit can be when protection by metal-oxide-semiconductor control
Quickly disconnect output circuit, entire power circuit is also that can also carve reality if necessary by relay control battery voltage input
Now quickly disconnect output circuit.No matter which kind of pattern when in use between it is long can all occur data inaccuracy, voltage, current error are big
The problems such as, so the numerical control mobile power of the present invention also achieves automatic calibration voltage, current value.
Due to the use of be it is battery-powered, can generally exist and put phenomenon, be designed with not in technical scheme of the present invention
Dormancy circuit ensures not consume some electricity after suspend mode, can extend battery in this way, while also reducing charging times.
The numerical control mobile power of the present invention in use, can automatically save last parameter so that user uses next time after shutdown
Without adjusting, the operating time is saved, here it is power cut-off memory functions.In addition, the most of numerical control electricity of market power supply
Source is mechanical key or silica gel push-button, and usage time length, which will appear, touches insensitive or damage, in the technical side of the present invention
In case, touch key-press is used, highly sensitive, service life is long, will not false triggering.Entire power volume:Long * high * wide=
150*70*140MM, in present DCPS digitally controlled power source industry, small volume, lighter in weight.
Illustrative description has been done to the present invention above, it should explanation, the case where not departing from core of the invention
Under, any simple deformation, modification or other skilled in the art can not spend the equivalent replacement of creative work equal
Fall into protection scope of the present invention.
Claims (10)
1. a kind of numerical control mobile power, which is characterized in that including：Microcontroller (20), constant current core circuit (16), constant pressure core electricity
Road (17), switching buck DC-DC conversion circuit (12), dormant circuit (13) and battery-powered circuit (6), the battery pack
Power supply circuit (6) is respectively that touch key-press circuit (24), the first relay circuit (10) and the second relay circuit (14) are powered,
In the battery-powered circuit (6) and touch key-press circuit (24), the first relay circuit (10) and the second relay circuit
(14) switching circuit (11) is electrically connected between, for control the battery-powered circuit (6) and touch key-press circuit (24),
Break-make between first relay circuit (10) and the second relay circuit (14)；The touch key-press circuit (24) and microcontroller
(20) it is electrically connected, is used for the microcontroller (20) input control signal；The dormant circuit (13) respectively with the microcontroller
(20), the first relay circuit (10) and the second relay circuit (14) electrical connection, the microcontroller (20) drive dormant circuit
(13) break-make of the first relay circuit of control (10) and the second relay circuit (14)；
First relay circuit (10) is powered for switching buck DC-DC conversion circuit (12), the switching buck DC-
DC conversion circuits (12) are for being depressured the output voltage of first relay circuit (10)；
Second relay circuit (14) be positive and negative 5V voltage conversion circuits (18), microcontroller (20), liquid crystal back light circuit (22) and
Liquid crystal display circuit (27) is powered；
The positive and negative 5V voltage conversion circuits (18) are electrically connected with the constant current core circuit (16) and constant pressure core circuit (17),
For providing dual-supply voltage to the constant current core circuit (16) and constant pressure core circuit (17)；The constant current core circuit
(16) it is electrically connected respectively with the switching buck DC-DC conversion circuit (12) with constant pressure core circuit (17), the microcontroller
(20) it is electrically connected respectively with the constant current core circuit (16) and constant pressure core circuit (17), for driving constant pressure core circuit
(17) output voltage of adjustment switching buck DC-DC conversion circuit (12) and driving constant current core circuit (16) limit switch
The output current of buck DC-DC conversion circuit (12)；
The switching buck DC-DC conversion circuit (12) is electrically connected with the output module for connecting load, in the switch
Buck DC-DC conversion circuit (12) is connected with current sampling circuit (8) and voltage sampling circuit (9) between output module,
For acquiring switching buck DC-DC conversion circuit (12) output to the electric current and voltage of output module；The current sample electricity
Road (8) and voltage sampling circuit (9) are electrically connected with the microcontroller (20) respectively, for the electric current of acquisition and voltage to be transmitted to
Microcontroller；
The liquid crystal back light circuit (22) and liquid crystal display circuit (27) are electrically connected with microcontroller (20).
2. numerical control mobile power according to claim 1, which is characterized in that further include：5V regulator circuits (15), the 5V
Battery-powered circuit (6) is input to the electricity of touch key-press circuit (24) and the second relay circuit (14) by regulator circuit (15)
Pressure is adjusted to 5V.
3. numerical control mobile power according to claim 2, which is characterized in that further include：Reference source circuit (26), the base
Quasi- source circuit (26) is electrically connected with microcontroller (20) and second relay circuit (14) respectively, is used for second relay
The 5V voltage step-downs that device circuit (14) exports give the microcontroller (20) at 2.5V and by the Voltage Feedback after decompression.
4. numerical control mobile power according to claim 3, which is characterized in that further include：Serial communication circuit (19), is used for
Program is downloaded for the microcontroller (20), and interface is provided.
5. numerical control mobile power according to claim 4, which is characterized in that the output module includes：USB output interfaces
(1), banana bin output interface (2) and output mode switching circuit (3), the switching buck DC-DC conversion circuit (12)
It is electrically connected with the output mode switching circuit (3) of the output module, the USB output interfaces (1) and banana bin output connect
Mouth (2) is electrically connected with the output mode switching circuit (3) respectively, the microcontroller (20) and the output mode switching circuit
(3) be electrically connected, for control output mode switching circuit (3) USB output interfaces (1) and banana bin output interface (2) it
Between switch over.
6. numerical control mobile power according to claim 5, which is characterized in that convert electricity in the switching buck DC-DC
Over-voltage over-current protection circuit (4), the first relay electricity are connected between road (12) and the output mode switching circuit (3)
Road (10) powers for the over-voltage over-current protection circuit (4), the microcontroller (20) and the over-voltage over-current protection circuit (4) electricity
Connection, the voltage for controlling over-voltage over-current protection circuit (4) to switching buck DC-DC conversion circuit (12) output to load
It is defined with electric current.
7. numerical control mobile power according to claim 6, which is characterized in that in first relay circuit (10) and institute
State and be connected with 10V regulator circuits (5) between over-voltage over-current protection circuit (4), for by the first relay circuit (10) output extremely
The voltage of over-voltage over-current protection circuit (4) is adjusted to 10V.
8. numerical control mobile power according to claim 7, which is characterized in that further include：Warning circuit (23) and intelligent temperature
Fan (25) is controlled, the warning circuit (23) is electrically connected with microcontroller (20), and second relay circuit (14) is alarm electricity
Road (23) powers；The intelligent temperature control fan (25) is electrically connected with microcontroller (20), and second relay circuit (14) is intelligence
It can temperature-controlled fan (25) power supply.
9. numerical control mobile power according to claim 8, which is characterized in that further include：Electric quantity detecting circuit (7), it is described
Electric quantity detecting circuit (7) is electrically connected with battery-powered circuit (6) and microcontroller (20) respectively, for detecting battery-powered electricity
The electricity on road (6), and signal transmission will be detected to microcontroller (20).
10. numerical control mobile power according to claim 9, which is characterized in that in the second relay circuit (14) and monolithic
A 3.3V regulator circuits (21) are electrically connected between machine (20), for exporting the second relay circuit (14) to microcontroller (20)
Voltage adjust to 3.3V；The quantity of the switching circuit (11) is 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710508628.6A CN108336773A (en) | 2017-06-28 | 2017-06-28 | Numerical control mobile power |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710508628.6A CN108336773A (en) | 2017-06-28 | 2017-06-28 | Numerical control mobile power |
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| Publication Number | Publication Date |
|---|---|
| CN108336773A true CN108336773A (en) | 2018-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710508628.6A Pending CN108336773A (en) | 2017-06-28 | 2017-06-28 | Numerical control mobile power |
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| CN (1) | CN108336773A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114184951A (en) * | 2021-12-14 | 2022-03-15 | 烟台东方威思顿电力设备有限公司 | Circuit breaker spring operating mechanism simulation system |
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2017
- 2017-06-28 CN CN201710508628.6A patent/CN108336773A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114184951A (en) * | 2021-12-14 | 2022-03-15 | 烟台东方威思顿电力设备有限公司 | Circuit breaker spring operating mechanism simulation system |
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