CN201562990U - Power supply charging device for microcomputer control ship - Google Patents
Power supply charging device for microcomputer control ship Download PDFInfo
- Publication number
- CN201562990U CN201562990U CN2009202892370U CN200920289237U CN201562990U CN 201562990 U CN201562990 U CN 201562990U CN 2009202892370 U CN2009202892370 U CN 2009202892370U CN 200920289237 U CN200920289237 U CN 200920289237U CN 201562990 U CN201562990 U CN 201562990U
- Authority
- CN
- China
- Prior art keywords
- chip
- pin
- charging device
- chip microcomputer
- 8xc196kb
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to the technical field of power electronic application, in particular to a power supply charging device for a microcomputer control ship. The power supply charging device comprises a single chip microcomputer and an integrated PWM controller; the single chip microcomputer is electrically connected with the integrated PWM controller; the single chip microcomputer adopts an 8XC196KB chip; the integrated PWM controller adopts an SG3525 chip; and the single chip microcomputer provides reference voltage for the integrated PWM controller and realizes soft start by controlling. The power supply charging device has the advantages of simple hardware circuits, high control precision, flexible running, strong anti-interference capability and high performance-cost ratio, has the functions of floating charging, equalized charging, inversion discharging and automatic selection of charging modes according to battery state, and conforms to version 96 CCSrules and regulations for the construction and classification of sea going steel ships and EMC index requirements.
Description
Technical field
The utility model relates to the power electronics applied technical field, relates in particular to a kind of system controlled by computer ship'ssupply charging device.
Background technology
The control technology of tradition HF switch charging device is divided into two classes usually, and a class is for adopting Single-chip Controlling, and is another kind of for adopting the integrated PWM control device control of monolithic.
When adopting Single-chip Controlling, owing to use digital operation thereby stable performance, good, the easy adjustment of the pwm signal symmetry of generation can realize the Based Intelligent Control of system; When adopting the integrated PWM control device of monolithic to control, this PWM device has advantages such as precision height, antijamming capability is strong, switching frequency is high, outward element is few, and debug easy, in the application generally by the potentiometer manual adjustments, obtain control voltage and be added in 2 pin of SG3525, i.e. the in-phase input end of error amplifier is though this method is simple, but be not easy to accurately regulate output voltage, and the speed of manual adjustments is difficult for grasping.
In order to solve the deficiency that exists when the integrated PWM control device of available technology adopting monolithic is controlled, simultaneously single-chip microcomputer and integrated PWM device two class devices control advantage are combined, the technical solution of the utility model has been proposed.
The utility model content
The purpose of this utility model provides a kind of system controlled by computer ship'ssupply charging device, so that single-chip microcomputer is combined with integrated PWM device two class devices control advantage.
For achieving the above object, the utility model adopts following technical scheme:
Single-chip microcomputer and integrated PWM controller, described single-chip microcomputer is electrically connected with integrated PWM controller, and wherein single-chip microcomputer adopts 8XC196KB chip, integrated PWM controller to adopt the SG3525 chip, and its electric connecting relation is:
The 2nd pin of SG3525 chip receives the reference voltage that is provided by the 8XC196KB chip as the in-phase input end of error amplifier; The 1st pin of SG3525 chip is an inverting input, meets output voltage feedback signal Vf, with the output of decision error amplifier; By the 11st pin, the 14th pin output dipulse, and connect the EX848 drive circuit, connection and the disconnection of the IGBT after driving in the control semibridge system HF switch charge power supply major loop;
The 8XC196KB chip is by delivery outlet HSO.0 output pwm signal, this pwm signal is exported 2nd pin of phase shift controlling voltage to the SG3525 chip again after high bandwidth amplifier TL062 carries out active integration, smothing filtering after CD4049 shaping, high speed optoelectronic isolating device 6N137 isolate.
Described 8XC196KB chip pin P0.6 is connected to a button and is connected to another button as the step-down key as the key that boosts, pin P0.7.
Described Single-chip Controlling SG3525 chip is realized soft start, and described soft start charges to the external soft start capacitor of the 8th pin by a constant-current source of its inside, and the PWM ripple of comparator output is broadened gradually by narrow.
The 8XC196KB chip is by delivery outlet HSO.0 output pwm signal, this pwm signal is after CD4049 shaping, high speed optoelectronic isolating device 6N137 isolate, after carrying out active integration, smothing filtering, exports high bandwidth amplifier TL062 8th pin of phase shift controlling voltage again, to realize automatic charging to the SG3525 chip.
The frequency of described SG3525 chip is calculated by following formula and is obtained:
f＝1/[CT(0.67R
T+1.3R
D)]。
The utlity model has following advantage and good effect:
1) have that hardware circuit is simple, control precision is high, flexible operation, antijamming capability is strong and the characteristics of high performance price ratio;
2) can realize automatic charging and intelligent protection, thereby to replace with magnetic saturation or controllable silicon be the Vintage Product of primary element to battery;
3) possess floating charge, all fill, inversion discharge and select the function of charging modes according to battery status automatically;
4) can effectively protect and be recharged storage battery and power consumption equipment, be particularly suitable for ship design unit and propose the requirement that charger double as stabilized voltage power supply is used.
Description of drawings
Fig. 1 is the circuit diagram of the special-purpose integrated PWM controller chip SG3525 of the utility model employing.
Fig. 2 is the circuit diagram of digital given control voltage U K1 in the utility model.
Fig. 3 is the control flow chart of single-chip microcomputer inside in the utility model.
Embodiment
The utility model is described in further detail in conjunction with the accompanying drawings with specific embodiment below:
The controlled with microcomputer for ship power control that the utility model proposes adopts following technical scheme, wherein selects for use chip SG3525 as the integrated PWM controller of special use in this control device, concrete chip periphery circuit connection diagram, as shown in Figure 1.
Chip SG3525 is the adjustable integrated PWM controller of fixed-frequency pulsewidth, mainly comprise reference voltage generating circuit, oscillator, error amplifier, PWM comparator, undervoltage lockout circuit, SS (soft start) control circuit, push-and-pull output form, below 9,1,2,7,5,6,15,13,14,11,10,12 types of attachment of the pin shown in Fig. 1 are described in detail.
The pin 2 of chip SG3525 is in-phase input ends of error amplifier, and this pin generally connects reference voltage, and this reference voltage is provided by the single-chip microcomputer 8XC196KB in the utility model; Pin 1 is an inverting input, meets output voltage feedback signal V
fThereby the output of decision error amplifier, and deliver to the inverting input of PWM, compare with the sawtooth voltage of in-phase input end, thereby produce the pulse duration variable pulse signal relevant with output voltage, and distribute flip and flop generator, output circuit to produce dipulses from pin 11, pin 14 through pulse, and driving the through and off of the IGBT in the back control semibridge system HF switch charge power supply major loop by EXB84, the length of IGBT ON time is decided by pulse duration;
The frequency of chip SG3525 is calculated by following formula and is obtained:
f＝1/[C
T(0.67R
T+1.3R
D)]
Regulate R
DBe the minimum time interval between scalable pin 11, the pin 14 output pulses, promptly dead band Td is straight-through to prevent upper and lower bridge arm.
Fig. 2 is the circuit diagram of digital given control voltage U K1 in the utility model, by HSO.0 mouth output pwm signal, this pwm signal is through the CD4049 shaping, after high speed optoelectronic isolating device 6N137 isolates, carry out active integration through high bandwidth amplifier TL062 again, export the pin 2 of phase shift controlling voltage (UK1) behind the smothing filtering to chip SG3525, when utilizing HSO.0 to produce pwm signal, can pass through two buttons, one meets single-chip microcomputer P0.5 as boosting key, one meets single-chip microcomputer P0.6 as the step-down key, the program inquiring keyboard state, if the button closure is then write 2 data to CAM, a data control HSO.0 becomes high level, and the same pin of another Data Control becomes low level, can change pwm signal cycle and duty ratio by the data of selecting to write CAM, be the size of scalable UK1, thereby output voltage can accurately be set.
Chip SG3525 realizes soft start function, generally be to pin 8 external soft start capacitor chargings by its inner constant-current source, the PWM ripple of comparator output is broadened gradually by narrow, in the utility model, adopt with the similar principle of Fig. 2 and obtain the pin 8 that another control voltage U K2 is added in chip SG3525, by mcu programming control soft start-up process, to reach automatic charging purpose.
Online detection of the parameter of system and defencive function have made full use of 8 tunnel 10 A/D converters of 8XC196KB single-chip microcomputer inside.The amount that the utility model need be monitored is a lot, whether as to detect storage battery be under-voltage, overcurrent, overvoltage etc., but very low because the sample rate of each collection capacity requires, an A/D conversion of single-chip microcomputer inside only needs 22us, can satisfy the real-time of the online detection of system parameters.In case system detects improper situation; single-chip microcomputer HSO.1 mouth send a high level to SG3525 pin 10; then pin 10 inhibit signal PI are effective; SG3525 blocks pwm pulse output; 11, the 14 pins output of guaranteeing chip is low level entirely; play quick protective effect, and the corresponding failure code of digital display.
Figure 3 shows that the control flow chart of single-chip microcomputer inside in the utility model, wherein program is finished initial work earlier, then can select program control or keying mode, charger has automatic constant current charging, automatic voltage regulation current limliting floating charge and 3 kinds of working methods of automatic equalization charging.
Under the automatic constant current charging modes, require to realize the charging current closed-loop adjustment; Under the automatic voltage regulation current limliting floating charge mode, require to realize the charging voltage closed-loop adjustment; Under the automatic equalization charging modes, decision is a voltage close loop according to charge condition, or current closed-loop.So for fear of influencing each other between current stabilization and the voltage stabilizing, voltage close loop and current closed-loop can be provided with separately.System's charging process: connect battery, the charge power supply soft start, voltage begins to rise from 21.6V (battery discharge lower limit), rises to UB (having magnitude of voltage behind the battery discharge) in about 30 seconds, and this moment, charging current was zero; Rise above behind the UB when the voltage continuation, charging current increases, and charge power supply enters the constant current charge process, and after this charging voltage rises to 28.2V (even charging voltage value) gradually; Then charge power supply enters the equalizing charge process, and in this process, the charging current gradual slow descends, and last output current is close to zero, and shows that battery is full of; After all the time of filling arrived, output voltage was converted to 26.4V (float charge voltage value) automatically, and this moment is slightly high because of cell voltage, and charging current is zero, and through the of short duration recovery of battery, charging enters the voltage stabilizing trickle floating charge stage, and this process is maintained until next and puts charge cycle.Above process characteristic shows, battery charge earlier with the equalizing charge mode can be very fast, balanced each battery in the battery pack is full of electric charge fully, automatically conversion is kept cell voltage with lower float charge voltage trickle afterwards, avoids overcharging, thereby realizes unattended operation charging working method.Inequality to its equal float charge voltage value of different storage batterys, non-maintaining acid battery: even charging voltage 28.2V, float charge voltage: 26.4V; The plumbic acid battery: even charging voltage and float charge voltage are 28.8V, if the given preset voltage of keying, the program lock-in range is 24V～32V.
Claims (5)
1. a system controlled by computer ship'ssupply charging device is characterized in that, comprising:
Single-chip microcomputer and integrated PWM controller, described single-chip microcomputer is electrically connected with integrated PWM controller, and wherein single-chip microcomputer adopts 8XC196KB chip, integrated PWM controller to adopt the SG3525 chip, and its electric connecting relation is:
The 2nd pin of SG3525 chip receives the reference voltage that is provided by the 8XC196KB chip as the in-phase input end of error amplifier; The 1st pin of SG3525 chip is an inverting input, meets output voltage feedback signal Vf, with the output of decision error amplifier; By the 11st pin, the 14th pin output dipulse, and connect the EX848 drive circuit, connection and the disconnection of the IGBT after driving in the control semibridge system HF switch charge power supply major loop;
The 8XC196KB chip is by delivery outlet HS0.0 output pwm signal, this pwm signal is exported 2nd pin of phase shift controlling voltage to the SG3525 chip again after high bandwidth amplifier TL062 carries out active integration, smothing filtering after CD4049 shaping, high speed optoelectronic isolating device 6N137 isolate.
2. system controlled by computer ship'ssupply charging device according to claim 1 is characterized in that:
Described 8XC196KB chip pin P0.6 is connected to a button and is connected to another button as the step-down key as the key that boosts, pin P0.7.
3. system controlled by computer ship'ssupply charging device according to claim 1 and 2 is characterized in that:
Described Single-chip Controlling SG3525 chip is realized soft start, and described soft start charges to the external soft start capacitor of the 8th pin by a constant-current source of its inside, and the PWM ripple of comparator output is broadened gradually by narrow.
4. system controlled by computer ship'ssupply charging device according to claim 3 is characterized in that:
The 8XC196KB chip is by delivery outlet HS0.0 output pwm signal, this pwm signal is after CD4049 shaping, high speed optoelectronic isolating device 6N137 isolate, after carrying out active integration, smothing filtering, exports high bandwidth amplifier TL062 8th pin of phase shift controlling voltage again, to realize automatic charging to the SG3525 chip.
5. system controlled by computer ship'ssupply charging device according to claim 3 is characterized in that:
The frequency of described SG3525 chip is calculated by following formula and is obtained:
f＝1/[C
T(0.67R
T+1.3R
D)]。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202892370U CN201562990U (en) | 2009-12-14 | 2009-12-14 | Power supply charging device for microcomputer control ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202892370U CN201562990U (en) | 2009-12-14 | 2009-12-14 | Power supply charging device for microcomputer control ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201562990U true CN201562990U (en) | 2010-08-25 |
Family
ID=42628140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202892370U Expired - Fee Related CN201562990U (en) | 2009-12-14 | 2009-12-14 | Power supply charging device for microcomputer control ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201562990U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102769154A (en) * | 2012-07-12 | 2012-11-07 | 中国长江三峡集团公司 | Storage battery charging measurement and control technology with soft-start characteristic |
| CN103051163A (en) * | 2011-10-17 | 2013-04-17 | 中国北车股份有限公司大连电力牵引研发中心 | Output signal conversion equipment of pulse width modulation rectifier and electric locomotive |
| CN105472809A (en) * | 2015-12-11 | 2016-04-06 | 江苏固立得精密光电有限公司 | High-constant-current ultraviolet control circuit |
| CN111817334A (en) * | 2020-07-14 | 2020-10-23 | 珠海格力电器股份有限公司 | Direct-current power supply and distribution control method and system and direct-current micro data center |
-
2009
- 2009-12-14 CN CN2009202892370U patent/CN201562990U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103051163A (en) * | 2011-10-17 | 2013-04-17 | 中国北车股份有限公司大连电力牵引研发中心 | Output signal conversion equipment of pulse width modulation rectifier and electric locomotive |
| CN103051163B (en) * | 2011-10-17 | 2015-06-03 | 中国北车股份有限公司 | Output signal conversion equipment of pulse width modulation rectifier and electric locomotive |
| CN102769154A (en) * | 2012-07-12 | 2012-11-07 | 中国长江三峡集团公司 | Storage battery charging measurement and control technology with soft-start characteristic |
| CN102769154B (en) * | 2012-07-12 | 2015-04-01 | 中国长江三峡集团公司 | Storage battery charging measurement and control technology with soft-start characteristic |
| CN105472809A (en) * | 2015-12-11 | 2016-04-06 | 江苏固立得精密光电有限公司 | High-constant-current ultraviolet control circuit |
| CN111817334A (en) * | 2020-07-14 | 2020-10-23 | 珠海格力电器股份有限公司 | Direct-current power supply and distribution control method and system and direct-current micro data center |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108963362B (en) | Charging repair management method and charging repair device for lead-acid storage battery of electric vehicle | |
| CN106961150B (en) | Control method and system of composite energy storage battery | |
| CN103036286B (en) | Safe charge-discharge control method of all-vanadium redox flow battery comprising direct current / direct current (DC / DC) converter | |
| CN203056660U (en) | Intelligent charger for electric car | |
| CN201562990U (en) | Power supply charging device for microcomputer control ship | |
| CN210183080U (en) | Lead-acid storage battery charging system based on intelligent control technology | |
| CN102136613A (en) | Valve-regulated lead-acid battery equalizing charge method | |
| CN104167768B (en) | A kind of charging unit and charging method | |
| CN108899982A (en) | The control method of multiple groups charging and discharging lithium battery intelligent management system | |
| CN109888897A (en) | Charge control method, battery charge controller and power supply adaptor | |
| CN103441555B (en) | A kind of based on the MPPT accumulator charging control method controlled | |
| CN203850903U (en) | Full-automatic intelligent charging machine for batteries of multiple types | |
| CN110429683A (en) | The efficient charging method of battery and charging circuit | |
| CN105656173B (en) | A kind of featuring complementation of solar energy and fuel energy battery charge controller and its control method | |
| CN110429819A (en) | The feed-forward type duty ratio control method of bidirectional DC-DC converter | |
| CN102195326A (en) | Charge control method of small power battery | |
| CN202084961U (en) | Charging control circuit of low-power storage battery | |
| JP2001069688A (en) | Stand-alone photovoltaic power generation system and method for power generation | |
| CN202712889U (en) | Intelligent battery charger and vehicle starting system | |
| CN210490543U (en) | Multi-stage energy storage element parallel charging and discharging system | |
| CN111162336A (en) | Rapid charging method for lead-acid storage battery of electric vehicle | |
| CN1409431A (en) | Charging method for accumulator | |
| WO2022217857A1 (en) | Charging control method and system | |
| KR101162221B1 (en) | An apparatus of preventing over-charging/over-discharging for an energy storage and a method thereof | |
| CN204707033U (en) | A kind of charge power supply of battery converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20121214 |