CN104882921A - Design method for work mode and displaying of work mode of charger - Google Patents
Design method for work mode and displaying of work mode of charger Download PDFInfo
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- CN104882921A CN104882921A CN201510222801.7A CN201510222801A CN104882921A CN 104882921 A CN104882921 A CN 104882921A CN 201510222801 A CN201510222801 A CN 201510222801A CN 104882921 A CN104882921 A CN 104882921A
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Abstract
The invention relates to a design method for work modes and displaying of work modes of a charger, and belongs to the technical field of battery chargers. The design method includes the steps that a circuit control system of a charger automatically detects the voltage of a storage battery and determines whether the storage battery malfunctions; if the storage battery is in good condition, the charger automatically detects the voltage of the storage battery and determines whether the storage battery is 6V or 12V, and different charging modes are selected for charging according to different types of batteries; and finally, the charger again automatically detects the voltage of the storage battery and determines whether the storage battery is fully charged so as to determine whether the charger enters a float charging mode, that is to say, the charger automatically enters a float charging state with low current charging if being fully charged. The design method provides five work modes of the charger to meet charging and use requirements of most storage batteries under different conditions. Meanwhile, different charging states can be displayed through a liquid crystal screen of the charger.
Description
Technical field
The present invention relates to the method for designing of a kind of charger operation pattern and display, belong to battery charger technical field.
Background technology
Current, the competition in battery charger market, is not only embodied in the advance of technology, also depends on the aspects such as the function of charger, outward appearance and structural design to a great extent.
At present, on domestic and international market, the output voltage of battery charger has several grades such as 6V/12V usually.Rated current is usually at 1 ~ 50A.The electric current of the large-scale charger of minority can reach the level of hundreds of amperes.When considering low cost, easily producing, the product of the charger of small area analysis grade (as XA, YA etc.) normally main flow.On market, much this series products is the structural design adopting transformer-rectifier formula.This type of charger, due to be adopt line voltage be transformed to low-voltage AC through low frequency (50Hz or 60Hz) transformer, mode again through rectify control designs, therefore, it is low that product also exists technical grade, transformer and rectifier heaviness, and caloric value is large, work capacity conversion efficiency is low, the great number of issues such as small product size is large, Heavy Weight.Over closer year, the development of electron controls technology has also promoted the development of electronic control type battery charger.This kind of charger, owing to require and the control technology mode that adopts has significant different from (traditional) charger product of transformer-rectifier formula for satisfied output, therefore, technical performance and the index such as energy-conservation are better than traditional charger greatly.Advanced technology, the transformer of this type of charger is greatly reduced, and is not the form of common transformer, but in adopting or the transformer of high frequency switch power or inverter (core material etc. making transformer also there occurs the change of essence).Not only volume is little, and weight is very light, more convenient to carry and transport.Rectifier neither be common the rectifier that forms of diode, but adopt the rectifier of fast recovery diode.The aspects such as generate heat also very little, the energy conversion efficiency of power supply is high, energy-conservation and material-saving are very outstanding.Therefore, the charger of switch voltage-stabilizing or inverter is described as " novel high-efficiency and energy-saving power supply ", represents the developing direction of stabilized voltage power supply.Because internal components is operated in HF switch state, therefore the energy level that itself consumes is low.Charger efficiency can reach more than 90%, improves nearly one times than the efficiency of the charger of traditional transformer rectification.Along with the develop rapidly of light source of charger technology, switch voltage-stabilizing or inverter charger are just towards miniaturization, high frequency, integrated future development, and high efficiency switch voltage-stabilizing or inverter charger have obtained applying more and more widely.Future is the replacer of traditional charger certainly.
Electronic Control class charger, mainly relies on circuit board and control circuit above thereof to realize the function of product.Usually, compared with traditional charger, their circuit relative complex.The mode of production also Main change is the manufacturing based on circuit board.Certainly, under identical output voltage and current class, different products, the design of its circuit theory and circuit board, and the mode of production may be all diverse.These all affect the technical performance, the market competitiveness etc. of product.That is, the charger that controlling functions, structure are different with circuit design, its technical parameter, serviceability, even product appearance and the market competitiveness etc. are that difference is larger.
Summary of the invention
The technical problem to be solved in the present invention is: the method for designing that the invention provides a kind of charger operation pattern and display, for solving multiple-working mode and the operating state select permeability of Electronic Control class battery charger, and the display problem of charge parameter and output connection mistake.
Technical solution of the present invention is: the method for designing of a kind of charger operation pattern and display, and charger comprises circuit control system and protects box 1, liquid crystal screen displays 2, input power cable 3, black negative polarity storage battery clip 4, red positive polarity storage battery clip 5, storage battery clip line 6; Described charger relates to a kind of Electronic Control charger of XA/6V, YA/12V of monolithic processor controlled, band liquid crystal display screen display, and wherein X and Y all represents charging current value, and X < Y; The method for designing of described charger operation pattern and display: first, circuit control system automatic detection battery voltage in charger judges whether storage battery has problem, if no problem so charger automatic detection battery voltage judges that storage battery is 6V or 12V, different charge modes is selected to charge according to different battery types, finally, charger again automatic detection battery voltage judges whether storage battery is full of, determine whether charger enters floating charge pattern, be namely full of rear automatically enter into the floating charge pattern only having low current charge under.
The method for designing concrete steps of described charger operation pattern and display are:
Circuit control system automatic detection battery voltage in Step1, charger judges whether storage battery has problem;
If detect that cell voltage is lower than 3.8V or higher than 15V, then do not charge to charger or judge that battery damages, so now liquid crystal screen displays 2 voltage display area display " Err " symbol of charger, has problem for pointing out storage battery;
Step2, charger automatic detection battery voltage judge that storage battery is 6V or 12V, select different charge modes to charge according to different battery types;
If detected storage battery is pressed between 3.8V ~ 7.3V, then charger is judged as 6V storage battery; And activate 6V charge mode by mode of operation select button 7;
If detected storage battery is pressed between 7.3V ~ 10.5V, then " pulse current charge pattern " is adopted to reactivate storage battery; Namely continue charge in batteries with " pulse current charge pattern ";
If after charging a period of time, the storage battery detected is pressed in more than 10.5V, then the storage battery that charger control system automatic decision charges is 12V; It is under the pulse current charge pattern of 0.07A ~ XA that charging process enters into current range value automatically, or press the pulse current charge pattern that mode of operation select button 7 selects other big current YA charge mode, current range value is 0.07A ~ XA, liquid crystal screen displays 2 will show corresponding voltage, charged state and charge mode symbol;
If after charging a period of time, the battery tension that charger control system detects is constant, and charger control system judges storage battery defectiveness, and charger will be in holding state;
Step3, charger automatic detection battery voltage judge whether storage battery is full of, and determine whether charger enters floating charge pattern, under automatically entering into the floating charge pattern only having low current charge when being namely full of;
When being 6V storage battery, if when charger control system detects that battery tension reaches 7.3V, then charger control system judges that storage battery is full state, and charger enters floating charge pattern;
When being 12V storage battery, under normal temperature, if charger control system detects that battery tension reaches 14.4V, then charger control system judges that storage battery is full state, and charger enters floating charge pattern; Under low temperature, if charger control system detects that battery tension reaches 14.7V, then charger control system judges that storage battery is full state, and charger enters floating charge pattern.
In described step Step1, if detect that charger output or load have short circuit phenomenon, charger will interrupt charging automatically, be switched to idle pulley, and namely charger no current exports, and show idle condition mark 15 simultaneously.
In described step Step1, if after detecting that the heatsink temperature of power device reaches 100 DEG C, charger will interrupt charging automatically, be switched to idle pulley, and namely charger no current exports, and show idle condition mark 15 simultaneously;
If detect that the heatsink temperature of power device is lower than 100 DEG C, charger recovers charged state automatically.
In described step Step1, if it is inconsistent to detect that charger exports the positive and negative polar terminals connection of positive and negative clip line and storage battery, charger will interrupt charging automatically, be switched to idle pulley, namely charger no current exports, and red-fault indicator light 14 lights simultaneously.
Described charger comprises circuit control system and protects box 1(or shell), input and output connecting line.Circuit control system adopts single-chip microcomputer as Master control chip, and the composition such as some other control circuit and display.The display of charger adopts liquid crystal display screen.The mode of operation of charger is set to: 1) XA/6V; 2) XA/12V; 3) YA/12V; 4) normal temperature pattern; 5) low temperature mode.Five kinds altogether.Utilize the control circuit that single-chip microcomputer or microprocessor form for core, by working out corresponding control software design program, to have assigned to difference charging output voltage, electric current and the different working modes of charger of the present invention and the control of state in conjunction with other circuit part again, and some state symbols are (as motorcycle, automobile and cold snap; Charging and full state instruction; Wiring error) display.Charger is that 6V exports, or 12V exports, be according to carry out the storage battery charged voltage class automatically identify or judge rear decision.Secondly, under YA/12V pattern, normal temperature pattern and low temperature mode is also provided with.Under normal temperature, it is full state that battery charging reaches 14.4V; Under low temperature, it is full state that battery charging reaches 14.7V.This two states is shown by liquid crystal display screen.At the faceplate part of charger, be provided with touching type operation button, LCDs, power supply indicator and charger output clip line and connect anti-indicator light.By touching type operation button, can set the size of current under 12V output, be namely that XA exports, or YA exports.In addition, also can set is normal temperature MODE of operation, or works under low temperature mode.Liquid crystal display screen can show charging voltage size and charged state.Once detect that charger exports clip line reverse polarity connection, then connect anti-indicator light accordingly and light, to indicate incorrect state.Meanwhile, liquid crystal display screen display " 0 ".Only have when charger output polarity connection is correct, liquid crystal display screen just shows normal charging voltage and charged state.
The course of work of charger of the present invention is: after charger energising, by its touching type operation button, can set the size of current under 12V output, be namely that XA exports, or YA exports; Secondly, also can set is normal temperature MODE of operation, or works under low temperature mode.Under normal temperature, it is storage battery full state that battery charging reaches 14.4V; Under low temperature, it is full state that battery charging reaches 14.7V; Moreover, can select to be motorcycle battery charging, or be automobile storage battery charging.Also can be set as cold snap mode of operation.Whether the liquid crystal display screen of charger circuit can show mode of operation symbol, charging voltage size and charging and be full of, and whether charger output clip line polarity connects the states such as anti-.Once detect that charger exports clip line reverse polarity connection, then connect anti-indicator light accordingly and light, to indicate incorrect state.Meanwhile, liquid crystal display screen display " 0 ".Only have when charger output polarity connection is correct, liquid crystal display screen could show normal charging voltage and charged state.In addition, charger is that 6V exports, or 12V exports, can according to carry out the storage battery charged voltage class automatically identify or judge rear decision.
The invention has the beneficial effects as follows:
1, the method for designing of five kinds of mode of operations of described charger meets the charging instructions for use under most of storage battery different condition, and meanwhile, different charged states shows by the liquid crystal display screen of charger;
2, when user uses the method for designing charger of this mode of operation and display, not only simple to operate, and charge parameter, the state intuitive display such as whether to be full of, very convenient, secondly, charger is that 6V exports, or 12V exports, its control circuit can according to carry out the storage battery charged voltage class automatically identify or judge, and determine the output state of charger according to the result judged;
3, have and automatically detect its output voltage polarity and whether connect consistent function with the polarity of storage battery, once detect that charger exports clip line reverse polarity connection, then connect anti-indicator light accordingly to light, to indicate incorrect state, simultaneously, liquid crystal display screen display " 0 ", only have when charger output polarity connection is correct, liquid crystal display screen could show normal charging voltage and charged state;
4, the charger of the method for designing of this mode of operation and display adopts advanced single-chip microcomputer and control and display system thereof to form the circuit of charger, this is also not available for a lot of charger, is also the exclusive design features of the control of the method for designing charger of this mode of operation and display and display packing.
5, based on the charger of the method for designing of mode of operation of the present invention and display compared with chargers numerous on market, have very large otherness, also have advanced and novelty preferably.The control technology that adopted is advanced, mode of operation and display mode applicability good, multiple functional.Its combination property is significantly better than other charger product.
Accompanying drawing explanation
Fig. 1 is the composition structural representation of charger of the present invention.
Fig. 2 is guidance panel and the display interface schematic diagram of charger of the present invention.
Fig. 3 is the circuit theory of constitution block diagram of the inventive method charger.
Fig. 4 is the idle condition liquid crystal display screen display schematic diagram of charger of the present invention.
Fig. 5 is that charger of the present invention " charger output connection mistake " shows schematic diagram.
Fig. 6 is the liquid crystal display screen display schematic diagram of charger of the present invention to 6V charge in batteries.
Fig. 7 is the voltage detecting process display schematic diagram of charger of the present invention.
Fig. 8 is the motorcycle of charger of the present invention, automobile and cold snap three kinds of charge modes display schematic diagrames.
Fig. 9 is the 6V battery charging process display schematic diagram of charger of the present invention.
Figure 10 is the 12V motorcycle battery charging process display schematic diagram of charger of the present invention.
Figure 11 is the 12V automobile storage battery charging process display schematic diagram of charger of the present invention.
Figure 12 is battery charging process display schematic diagram under the 12V cold snap of charger of the present invention.
Each label in Fig. 1-12: 1-circuit control system and protect box; 2-liquid crystal screen displays; 3-input power cable; 4-black negative polarity storage battery clip; 5-red positive polarity storage battery clip; 6-storage battery clip line; 7-mode of operation select button; 8-12V motorcycle battery charge mode symbol; 9-12V automobile storage battery charge mode symbol; Battery charging mode symbol under 10-12V cold weather environments; 11-6V battery charging mode symbol; 12-battery capacity status display area; 13-power supply indicator; 14-short circuit or overheating fault red led; 15-idle condition identifies; 16-battery tension display area; 17-input filter circuit; 18-rectification circuit; 19-switching mode power supply transformer; 20-charges output rectification circuit; 21-protection and output voltage filter circuit; 22-output electric current measure or feedback circuit; 23-output current filter circuit; 24-MOS manages; 25-control system operating voltage circuit; 26-PWM control circuit; 27-single-chip computer control system circuit; 28-output voltage feedback circuit; 29-liquid crystal display circuit; 30-relay K control circuit; C1-voltage filter electric capacity; AN-mode of operation select button.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Embodiment 1: as shown in figs. 1-12, a method for designing for charger operation pattern and display, charger comprises circuit control system and protects box 1, liquid crystal screen displays 2, input power cable 3, black negative polarity storage battery clip 4, red positive polarity storage battery clip 5, storage battery clip line 6; Described charger relates to a kind of Electronic Control charger of XA/6V, YA/12V of monolithic processor controlled, band liquid crystal display screen display, and wherein X and Y all represents charging current value, and X < Y; The method for designing of described charger operation pattern and display: the circuit control system automatic detection battery voltage first in charger judges whether storage battery has problem, if no problem so charger automatic detection battery voltage judges that storage battery is 6V or 12V, different charge modes is selected to charge according to different battery types, finally, charger again automatic detection battery voltage judges whether storage battery is full of, determine whether charger enters floating charge pattern, be namely full of rear automatically enter into the floating charge pattern only having low current charge under.
The method for designing concrete steps of described charger operation pattern and display are:
Circuit control system automatic detection battery voltage in Step1, charger judges whether storage battery has problem;
If detect that cell voltage is lower than 3.8V or higher than 15V, then do not charge to charger or judge that battery damages, so now liquid crystal screen displays 2 voltage display area display " Err " symbol of charger, has problem for pointing out storage battery;
Step2, charger automatic detection battery voltage judge that storage battery is 6V or 12V, select different charge modes to charge according to different battery types;
If detected storage battery is pressed between 3.8V ~ 7.3V, then charger is judged as 6V storage battery; And activate 6V charge mode by mode of operation select button 7;
If detected storage battery is pressed between 7.3V ~ 10.5V, then " pulse current charge pattern " is adopted to reactivate storage battery; Namely continue charge in batteries with " pulse current charge pattern "; ;
If after charging a period of time, the storage battery detected is pressed in more than 10.5V, then the storage battery that charger control system automatic decision charges is 12V; It is under the pulse current charge pattern of 0.07A ~ XA that charging process enters into current range value automatically, or press the pulse current charge pattern that mode of operation select button 7 selects other big current YA charge mode, current range value is 0.07A ~ XA, liquid crystal screen displays 2 will show corresponding voltage, charged state and charge mode symbol;
If after charging a period of time, the battery tension that charger control system detects is constant, and charger control system judges storage battery defectiveness, and charger will be in holding state;
Step3, charger automatic detection battery voltage judge whether storage battery is full of, and determine whether charger enters floating charge pattern, namely charging process interrupt or automatically enter into only have low current charge floating charge pattern under;
When being 6V storage battery, if when charger control system detects that battery tension reaches 7.3V, then charger control system judges that storage battery is full state, and charger enters floating charge pattern;
When being 12V storage battery, under normal temperature, if charger control system detects that battery tension reaches 14.4V, then charger control system judges that storage battery is full state, and charger enters floating charge pattern; Under low temperature, if charger control system detects that battery tension reaches 14.7V, then charger control system judges that storage battery is full state, and charger enters floating charge pattern.
Embodiment 2: as shown in figs. 1-12, a method for designing for charger operation pattern and display, charger comprises circuit control system and protects box 1, liquid crystal screen displays 2, input power cable 3, black negative polarity storage battery clip 4, red positive polarity storage battery clip 5, storage battery clip line 6; Described charger relates to a kind of Electronic Control charger of XA/6V, YA/12V of monolithic processor controlled, band liquid crystal display screen display, and wherein X and Y all represents charging current value, and X < Y; The method for designing of described charger operation pattern and display: first, circuit control system automatic detection battery voltage in charger judges whether storage battery has problem, if no problem so charger automatic detection battery voltage judges that storage battery is 6V or 12V, different charge modes is selected to charge according to different battery types, finally, charger again automatic detection battery voltage judges whether storage battery is full of, determine whether charger enters floating charge pattern, be namely full of rear automatically enter into the floating charge pattern only having low current charge under.
The method for designing concrete steps of described charger operation pattern and display are:
Circuit control system automatic detection battery voltage in Step1, charger judges whether storage battery has problem;
If detect that cell voltage is lower than 3.8V or higher than 15V, then do not charge to charger or judge that battery damages, so now liquid crystal screen displays 2 voltage display area display " Err " symbol of charger, has problem for pointing out storage battery;
Step2, charger automatic detection battery voltage judge that storage battery is 6V or 12V, select different charge modes to charge according to different battery types;
If detected storage battery is pressed between 3.8V ~ 7.3V, then charger is judged as 6V storage battery; And activate 6V charge mode by mode of operation select button 7;
If detected storage battery is pressed between 7.3V ~ 10.5V, then " pulse current charge pattern " is adopted to reactivate storage battery; Namely continue charge in batteries with " pulse current charge pattern "; ;
If after charging a period of time, the storage battery detected is pressed in more than 10.5V, then the storage battery that charger control system automatic decision charges is 12V; It is under the pulse current charge pattern of 0.07A ~ XA that charging process enters into current range value automatically, or press the pulse current charge pattern that mode of operation select button 7 selects other big current YA charge mode, current range value is 0.07A ~ XA, liquid crystal screen displays 2 will show corresponding voltage, charged state and charge mode symbol;
If after charging a period of time, the battery tension that charger control system detects is constant, and charger control system judges storage battery defectiveness, and charger will be in holding state;
Step3, charger automatic detection battery voltage judge whether storage battery is full of, and determine whether charger enters floating charge pattern, be namely full of rear automatically enter into the floating charge pattern only having low current charge under;
When being 6V storage battery, if when charger control system detects that battery tension reaches 7.3V, then charger control system judges that storage battery is full state, and charger enters floating charge pattern;
When being 12V storage battery, under normal temperature, if charger control system detects that battery tension reaches 14.4V, then charger control system judges that storage battery is full state, and charger enters floating charge pattern; Under low temperature, if charger control system detects that battery tension reaches 14.7V, then charger control system judges that storage battery is full state, and charger enters floating charge pattern.
In described step Step1, if detect that charger output or load have short circuit phenomenon, charger will interrupt charging automatically, be switched to idle pulley, and namely charger no current exports, and show idle condition mark 15 simultaneously.
In described step Step1, if after detecting that the heatsink temperature of power device reaches 100 DEG C, charger will interrupt charging automatically, be switched to idle pulley, and namely charger no current exports, and show idle condition mark 15 simultaneously;
If detect that the heatsink temperature of power device is lower than 100 DEG C, charger recovers charged state automatically.
In described step Step1, if it is inconsistent to detect that charger exports the positive and negative polar terminals connection of positive and negative clip line and storage battery, charger will interrupt charging automatically, be switched to idle pulley, namely charger no current exports, and red-fault indicator light 14 lights simultaneously.
Embodiment 3: as shown in figs. 1-12, a method for designing for charger operation pattern and display, charger comprises circuit control system and protects box 1, liquid crystal screen displays 2, input power cable 3, black negative polarity storage battery clip 4, red positive polarity storage battery clip 5, storage battery clip line 6; Described charger relates to a kind of Electronic Control charger of XA/6V, YA/12V of monolithic processor controlled, band liquid crystal display screen display, and wherein X and Y all represents charging current value, and X < Y; The method for designing of described charger operation pattern and display:: first, circuit control system automatic detection battery voltage in charger judges whether storage battery has problem, if no problem so charger automatic detection battery voltage judges that storage battery is 6V or 12V, different charge modes is selected to charge according to different battery types, finally, charger again automatic detection battery voltage judges whether storage battery is full of, determine whether charger enters floating charge pattern, be namely full of rear automatically enter into the floating charge pattern only having low current charge under.
The method for designing concrete steps of described charger operation pattern and display are:
Circuit control system automatic detection battery voltage in Step1, charger judges whether storage battery has problem;
If detect that cell voltage is lower than 3.8V or higher than 15V, then do not charge to charger or judge that battery damages, so now liquid crystal screen displays 2 voltage display area display " Err " symbol of charger, has problem for pointing out storage battery;
Step2, charger automatic detection battery voltage judge that storage battery is 6V or 12V, select different charge modes to charge according to different battery types;
If detected storage battery is pressed between 3.8V ~ 7.3V, then charger is judged as 6V storage battery; And activate 6V charge mode by mode of operation select button 7;
If detected storage battery is pressed between 7.3V ~ 10.5V, then " pulse current charge pattern " is adopted to reactivate storage battery; Namely continue charge in batteries with " pulse current charge pattern "; ;
If after charging a period of time, the storage battery detected is pressed in more than 10.5V, then the storage battery that charger control system automatic decision charges is 12V; It is under the pulse current charge pattern of 0.07A ~ XA that charging process enters into current range value automatically, or press the pulse current charge pattern that mode of operation select button 7 selects other big current YA charge mode, current range value is 0.07A ~ XA, liquid crystal screen displays 2 will show corresponding voltage, charged state and charge mode symbol;
If after charging a period of time, the battery tension that charger control system detects is constant, and charger control system judges storage battery defectiveness, and charger will be in holding state;
Step3, charger automatic detection battery voltage judge whether storage battery is full of, and determine whether charger enters floating charge pattern, be namely full of rear automatically enter into the floating charge pattern only having low current charge under;
When being 6V storage battery, if when charger control system detects that battery tension reaches 7.3V, then charger control system judges that storage battery is full state, and charger enters floating charge pattern;
When being 12V storage battery, under normal temperature, if charger control system detects that battery tension reaches 14.4V, then charger control system judges that storage battery is full state, and charger enters floating charge pattern; Under low temperature, if charger control system detects that battery tension reaches 14.7V, then charger control system judges that storage battery is full state, and charger enters floating charge pattern.
In described step Step1, if detect that charger output or load have short circuit phenomenon, charger will interrupt charging automatically, be switched to idle pulley, and namely charger no current exports, and show idle condition mark 15 simultaneously.
In described step Step1, if after detecting that the heatsink temperature of power device reaches 100 DEG C, charger will interrupt charging automatically, be switched to idle pulley, and namely charger no current exports, and show idle condition mark 15 simultaneously;
If detect that the heatsink temperature of power device is lower than 100 DEG C, charger recovers charged state automatically.
In described step Step1, if it is inconsistent to detect that charger exports the positive and negative polar terminals connection of positive and negative clip line and storage battery, charger will interrupt charging automatically, be switched to idle pulley, namely charger no current exports, and red-fault indicator light 14 lights simultaneously.
As shown in Figure 1, be the composition structural representation of the charger utilizing the inventive method to design.Comprise: circuit control system and protect box 1, liquid crystal screen displays 2, input power cable 3, black negative polarity storage battery clip 4, red positive polarity storage battery clip 5, storage battery clip line 6.This charger can charge to 6V or 12V storage battery.Output polarity connection correct during use is: be connected with the positive pole of storage battery by red positive polarity storage battery clip 5; Black negative polarity storage battery clip 4 is connected with the negative pole of storage battery.Connecting power supply, selecting suitable charge mode to carry out charging operations to battery by using the MODE mode of operation select button 7 in accompanying drawing 2.According to certain operations described below and using method, the charging operation to storage battery can be completed.
As shown in Figure 2, be guidance panel and the display interface of the charger utilizing the inventive method to design.Comprise: mode of operation select button 7 (except 6V automatic detection function), 12V motorcycle battery charge mode symbol 8, 12V automobile storage battery charge mode symbol 9, battery charging mode symbol 10 under 12V cold weather environments, 6V battery charging mode symbol 11, battery capacity status display area 12(note: in charging process, show bar glimmers, be full of rear show bar be full of and light always), power supply indicator 13, short circuit or overheating fault red led 14, idle condition mark 15, battery tension display area 16(note: show current battery tension).
As shown in Figure 3, be the circuit theory of constitution block diagram of the inventive method charger.In fig. 1, charger has a circuit control system and protects box 1.This circuit control system is made up of three parts: 1) control large circuit board; 2) little circuit board is controlled; 3) display circuit board.Black negative polarity storage battery clip 4 in accompanying drawing 1 is connected to " OUT-" in accompanying drawing 3; Red positive polarity storage battery clip 5 in accompanying drawing 1 is connected to " OUT+ " in accompanying drawing 3.Input power cable 3 in accompanying drawing 1 is connected to L, N in accompanying drawing 3.In accompanying drawing 3, each picture frame represents a functional circuit.Be illustrated in the title of each picture frame functional circuit label below earlier drawings.Below in conjunction with these functional circuits, the illustratively concise and to the point operation principle of this control method charger.
The concise and to the point operation principle of this control method charger:
In fig. 3, from the power supply (as 220VAC, 50/60Hz etc.) of electrical network, first through input filter circuit 17.This circuit can be formed with one-level, secondary or three grades of circuit be made up of filter capacitor, inductance, resistance etc.This circuit can prevent the interference signal from electrical network from disturbing the circuit of this method, harmonic reduction on the one hand; The harmonic pollution electrical network that this method contactor power conversion produces can be reduced on the other hand.Filtered alternating current, is transformed to direct current through rectification circuit 18.This direct current again through voltage filter electric capacity C1 electrochemical capacitor filtering transformation be stable direct current 310V power supply.Switching mode power supply transformer 19, the operating state of its input winding is controlled by metal-oxide-semiconductor 24.This metal-oxide-semiconductor is then controlled by PWM(pulse width modulation) control circuit 26.Switching mode power supply transformer 19 exports two windings.One group of winding of powering is input to charging output rectification circuit 20, after protection and output voltage filter circuit 21, relay K and output current filter circuit 23, produces output voltage and the electric current of charger.Other one group of winding of powering of switching mode power supply transformer 19, through control system operating voltage circuit 25, produces the operating voltage needed for control system circuit.Protective circuit part in protection and output voltage filter circuit 21, refers to the fast recovery rectifier diode protected in this circuit.The on-off of relay K controls, and is by the requirement of single-chip computer control system circuit 27 according to control, is realized by the operating state of control relay K control circuit 30.Only when relay K is connected, charger just can have output voltage and electric current.At Switching Power Supply control section, the duty ratio size of the metal-oxide-semiconductor driving pulse that pwm circuit exports is determined according to the requirement controlled by single-chip computer control system circuit 27.The voltage and current size that charger exports is exactly (as 6V or 14.4V and 14.7V exports according to the requirement designed; 0.8A or 3.8A electric current output etc.), according to the output current of charger detected and voltage, realized by the mode of FEEDBACK CONTROL.Output electric current measure or feedback circuit 22 circuit part are the detections realizing output current of charger.Output voltage feedback circuit 28 part is the testing circuit of charger output voltage size.Different operating states and pattern, the output parameter of charger or charging modes, and the display result of liquid crystal display circuit 29 is different.Realize these modes and display result is jointly realized by circuit such as the feedback of single-chip computer control system circuit 27 and periphery thereof and detections.Which type of mode of operation, can by MODE mode of operation select button AN, and the mode of operation select button 7 namely in accompanying drawing 2 operates.
The parameter of this mode of operation and display packing charger and function, mode of operation table:
The associated technical parameters of the charger of this mode of operation and display packing design, function and mode of operation is utilized to see the following form shown in 1.
The associated technical parameters of table 1 charger, function and mode of operation
The idle condition of the charger of this mode of operation and display packing
The charger of this mode of operation and display packing, when its output does not connect storage battery or load, once after connecting power supply, power supply indicator 13 can light, and will enter " idle condition ".Meanwhile, will there be display idle condition mark 15, charged state mark 12 and cell voltage display area 16 in real time.As shown in Figure 4.
The automatic detection battery voltage of this mode of operation and display packing charger, judge battery type function
The charger of this mode of operation and display packing can detect the voltage of battery automatically, identifies that storage battery is 6V, or 12V.If the battery tension automatically detected is lower than 3.8V or higher than 15V, then this mode of operation and display packing can think that this battery is unsuitable for the charger that this method controls and charges to it or battery damages.Now, display screen battery tension display area 16 will show " Err " symbol, and prompting storage battery has problem.After continuing for 3 seconds, control system can enter charger idle pulley automatically.Shown in the figure seeing accompanying drawing 5 below.
If detected storage battery is pressed between 3.8V ~ 7.3V, then the charger of this mode of operation and display packing can be judged as 6V storage battery.For the battery of 6V, only have a kind of charge mode available.If charged, then need by activating by MODE mode of operation select button 7, other arranges invalid.After activation, storage battery will enter 6V charge mode.The charger of this mode of operation and display packing can charge to storage battery according to the output voltage of corresponding 6V storage battery and electric current.For the storage battery of 6V, the display of liquid crystal display screen is similar to accompanying drawing 6.Certainly, the 6.2V voltage data in accompanying drawing 6 may be different.Can be consistent with the 6V cell voltage that reality is charged.
If detected battery tension is between 7.3V ~ 10.5V, so, the charger of this mode of operation and display packing cannot judge immediately battery be 6V by the storage battery of undue charging (hereinafter referred to as " overcharging "), or 12V is by the storage battery of undue electric discharge (hereinafter referred to as " cross and put ").Also can detect further, judge and confirm.For the charger of this mode of operation and display packing, it detects and the method that judges is: adopt " pulse current charge pattern " to reactivate storage battery.Rule of judgment is: if charging is after 1.5 minutes, the storage battery detected is pressed in more than 10.5V, then the charger control system of this method can think that charged storage battery is 12V.Now, charging process will adopt " motorcycle mode " to carry out pulse mode charging to battery.In this pulse current charge process, will glimmer in battery tension display area 16 always.For the battery of detected voltage lower than 10.5V, no matter select which kind of (as motorcycle, automobile and cold snap) charge mode, all the same pulse current charge pattern of employing is reactivated storage battery.Press MODE mode of operation select button 7 to charge, then the charger of this mode of operation and display packing can be measured after 1.5 minutes again in charging.During this period, the display of charger liquid crystal display screen as shown in Figure 7.
Once detect that the voltage of battery reaches 10.5V, the charger of this mode of operation and display packing will be switched to other charging modes.By what carry out according to the different choice mode under 12V charging voltage, and the electric current of charging will be distinguished to some extent.Now voltage display area (16) will no longer glimmer.Adopt what mode to charge actually, be according to required for carry out the concrete condition of the storage battery charged or ambient temperature decides.User can use MODE mode of operation select button 7 to select different charge modes.
If charged after 1.5 minutes, detected voltage remains between 7.3V ~ 10.5V, so, can be judged as that storage battery is defective.For the purpose of safety, now charger will be in holding state.
If charger charges to the storage battery of 12V, then allow to select motorcycle, automobile and cold snap three kinds of charge modes by MODE mode of operation select button 7.In charging process, as shown in Figure 8, liquid crystal screen displays will be shown selected charge mode, and be shown current cell voltage and battery capacity status by some identifiers, lamp flicker.
Charge mode and process:
For the charger of this mode of operation and display packing, can according to the different situations of storage battery, the electric current in charging process can change, to obtain optimum charging process.First adopt big current to charge, continue for some time, before reaching the heap(ed) capacity of storage battery, charged electrical fails to be convened for lack of a quorum and constantly diminishes.The storage capacitors amount that storage battery reaches maximum can be guaranteed like this.
1) charge mode of 6V storage battery and process
For 6V storage battery, charging process and current parameters (XA) are selected by pressing MODE mode of operation select button 7.Meanwhile, liquid crystal display screen display area will show 6V printed words symbol.
Display screen will show the voltage of storage battery in real time.In addition, battery capacity status display area 12 is also by the size state of display electricity.When after the whole blackening of show bar, represent that storage battery is full of electricity.Blank number then represent that the electricity of storage battery also has and how much do not fill enough electricity.
For battery capacity status display area 12, the flicker of its electricity frame then represents that battery charges.When battery capacity status display area 12 show electricity be filled time, its electricity frame no longer glimmers, and keeps whole full state.Afterwards, charger will switch to floating charge pattern, to maintain accumulator electric-quantity full state.The charging process schematic diagram of above-mentioned 6V storage battery as shown in Figure 9.
2) the motorcycle charge mode of 12V storage battery and process
It is charging for motorcycle 12V storage battery and custom-designed function.Due to charging current lower (14.4V/XA), thus can ensure that whole charging process is more steady.
Motorcycle charge mode is selected by pressing MODE mode of operation select button 7.Now, on display screen, battery charging mode symbol will show motorcycle identifier.Battery tension display area 16 shows current battery tension.The size state of 12, battery capacity status display area display current battery charge.How many to represent the electricity that present battery stores with the number that status bar turns black.The number of blank then represents the electricity size also needing to fill.The flicker of electricity frame around status bar, then represent charging process well afoot.After storage battery is full of completely, the flicker of status bar electricity frame disappears.Charger switches to floating charge process to keep the complete full state of battery.The charging process schematic diagram of above-mentioned 12V motorcycle battery as shown in Figure 10.
3) the vehicle charging pattern of 12V storage battery and process
It is custom-designed function for automobile 12V charge in batteries.Owing to adopting big current (14.4V/YA) to charge, therefore, the efficiency of whole charging process is very high.
Vehicle charging pattern is selected by pressing MODE mode of operation select button 7.Now, on display screen battery charging mode symbol by display automobile identifier.Battery tension display area 16 shows current battery tension.The size state of 12, battery capacity status display area display current battery charge.How many to represent the electricity that present battery stores with the number that status bar turns black.The number of blank then represents the electricity size also needing to fill.The flicker of electricity frame around status bar, then represent charging process well afoot.After storage battery is full of completely, the flicker of status bar electricity frame disappears.Charger switches to floating charge process to keep the complete full state of battery.The charging process schematic diagram of above-mentioned 12V automobile storage battery as shown in Figure 11.
4) charge mode under the cold climate of 12V storage battery
It charges and custom-designed charge mode for automobile 12V storage battery temperature below 0 DEG C.Owing to adopting big current (14.7V/YA) to charge, therefore, the efficiency of whole charging process is very high.
Charge under pressing MODE mode of operation select button 7 and selecting cold pattern.Now, on display screen, battery charging mode symbol will show snowflake identifier.Battery tension display area 16 shows current battery tension.The size state of 12, battery capacity status display area display current battery charge.How many to represent the electricity that present battery stores with the number that status bar turns black.The number of blank then represents the electricity size also needing to fill.The flicker of electricity frame around status bar, then represent charging process well afoot.After storage battery is full of completely, the flicker of status bar electricity frame disappears.Charger switches to floating charge process to keep the complete full state of battery.The charging process schematic diagram of above-mentioned 12V automobile storage battery as shown in Figure 12.
5) the pulse charging mode capabilities of this mode of operation and display packing charger
For the charger of this mode of operation and display packing, adopt pulse charging pattern, mainly repair and activated the 12V storage battery put.Pulse charging pattern is a kind of charging modes at a slow speed of comparatively gentle, small area analysis, and first the voltage of storage battery is charged to 10.5V by it.Between this charge period, charged electrical fails to be convened for lack of a quorum and to change between 0.07A ~ XA.Next, then adopt the one in default Three models, i.e. motorcycle mode, mode motor and cold snap pattern, utilize larger electric current (YA) capacitance of battery to be full of, reach desirable battery tension and capacitance.Adopt and the voltage of storage battery and storage capacitors amount can be adjusted to normal using state in this way.
6) the floating charge mode capabilities of this mode of operation and display packing charger
In the charger use procedure of this mode of operation and display packing, when storage battery is charged, and after being full of, charger will automatically switch to floating charge pattern.Control circuit system can according to detected different batteries voltage, charging process interrupt or automatically enter into only have small area analysis (X ~ 0.07A) to charge floating charge pattern under.Like this, charger can be connected with storage battery for a long time, and the storage battery or affect itself performance of can not being damaged.After floating charge pattern is mainly used for being full of electricity to storage battery, a kind of charging modes storing electricity and maintain is carried out to it.
The defencive function of this mode of operation and display packing charger
1) short-circuit protection function
In charger use procedure, if detect that charger output or load (storage battery) have short circuit phenomenon, the charger of this control method will interrupt charge function automatically, and be switched to idle pulley.Meanwhile, idle condition mark (15) has display.
2) overheat protective function
In charger use procedure, if after detecting that the heatsink temperature of power device reaches 100 DEG C, the charger of this control method will interrupt charge function automatically, and be switched to idle pulley.Meanwhile, idle condition mark 15 has display.Until the temperature of fin is reduced in normal range (NR).
3) " battery connects instead " defencive function
In charger use procedure, if it is inconsistent to detect that charger exports the positive and negative polar terminals connection of positive and negative clip line and storage battery, namely occur " battery connects instead " phenomenon, then the charger of this control method will interrupt charge function automatically, and be switched to idle pulley.Meanwhile, short circuit or red-fault indicator light 14 can be lit immediately.After short circuit or red-fault indicator light 14 light, user does not just connect power supply again and uses, and needs to ascertain the reason further.
By reference to the accompanying drawings specific embodiments of the invention are explained in detail above, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from present inventive concept.
Claims (5)
1. a method for designing for charger operation pattern and display, charger comprises circuit control system and protects box (1), liquid crystal screen displays (2), input power cable (3), black negative polarity storage battery clip (4), red positive polarity storage battery clip (5), storage battery clip line (6); Described charger relates to a kind of Electronic Control charger of XA/6V, YA/12V of monolithic processor controlled, band liquid crystal display screen display, and wherein X and Y all represents charging current value, and X < Y; It is characterized in that: first, circuit control system automatic detection battery voltage in charger judges whether storage battery has problem, if no problem so charger automatic detection battery voltage judges that storage battery is 6V or 12V, different charge modes is selected to charge according to different battery types, finally, charger again automatic detection battery voltage judges whether storage battery is full of, determine whether charger enters floating charge pattern, be namely full of rear automatically enter into the floating charge pattern only having low current charge under.
2. the method for designing of charger operation pattern according to claim 1 and display, is characterized in that, the method for designing concrete steps of described charger operation pattern and display are:
Circuit control system automatic detection battery voltage in Step1, charger judges whether storage battery has problem;
If detect that cell voltage is lower than 3.8V or higher than 15V, then do not charge to charger or judge that battery damages, so now liquid crystal screen displays (2) voltage display area display " Err " symbol of charger, has problem for pointing out storage battery;
Step2, charger automatic detection battery voltage judge that storage battery is 6V or 12V, select different charge modes to charge according to different battery types;
If detected storage battery is pressed between 3.8V ~ 7.3V, then charger is judged as 6V storage battery; And activate 6V charge mode by mode of operation select button (7);
If detected storage battery is pressed between 7.3V ~ 10.5V, then " pulse current charge pattern " is adopted to reactivate storage battery; Namely continue charge in batteries with " pulse current charge pattern ";
If after charging a period of time, the storage battery detected is pressed in more than 10.5V, then the storage battery that charger control system automatic decision charges is 12V; It is under the pulse current charge pattern of 0.07A ~ XA that charging process enters into current range value automatically, or press the pulse current charge pattern that mode of operation select button (7) selects other big current YA charge mode, current range value is 0.07A ~ XA, liquid crystal screen displays (2) will show corresponding voltage, charged state and charge mode symbol;
If after charging a period of time, the battery tension that charger control system detects is constant, and charger control system judges storage battery defectiveness, and charger will be in holding state;
Step3, charger automatic detection battery voltage judge whether storage battery is full of, and determine whether charger enters floating charge pattern, under automatically entering into the floating charge pattern only having low current charge when being namely full of;
When being 6V storage battery, if when charger control system detects that battery tension reaches 7.3V, then charger control system judges that storage battery is full state, and charger enters floating charge pattern;
When being 12V storage battery, under normal temperature, if charger control system detects that battery tension reaches 14.4V, then charger control system judges that storage battery is full state, and charger enters floating charge pattern; Under low temperature, if charger control system detects that battery tension reaches 14.7V, then charger control system judges that storage battery is full state, and charger enters floating charge pattern.
3. the method for designing of charger operation pattern according to claim 1 and display, it is characterized in that: in described step Step1, if detect that charger output or load have short circuit phenomenon, charger will interrupt charging automatically, be switched to idle pulley, namely charger no current exports, and shows idle condition mark (15) simultaneously.
4. the method for designing of charger operation pattern according to claim 1 and display, it is characterized in that: in described step Step1, if after detecting that the heatsink temperature of power device reaches 100 DEG C, charger will interrupt charging automatically, be switched to idle pulley, namely charger no current exports, and shows idle condition mark (15) simultaneously;
If detect that the heatsink temperature of power device is lower than 100 DEG C, charger recovers charged state automatically.
5. the method for designing of charger operation pattern according to claim 1 and display, it is characterized in that: in described step Step1, if it is inconsistent to detect that charger exports the positive and negative polar terminals connection of positive and negative clip line and storage battery, charger will interrupt charging automatically, be switched to idle pulley, namely charger no current exports, and red-fault indicator light (14) lights simultaneously.
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| CN109274161A (en) * | 2018-11-28 | 2019-01-25 | 纽福克斯光电科技（上海）有限公司 | Intelligent charger, device and method |
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| CN114879548A (en) * | 2022-03-11 | 2022-08-09 | 昆明理工大学 | Intelligent remote IO station panel equipment |
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| CN109274161A (en) * | 2018-11-28 | 2019-01-25 | 纽福克斯光电科技（上海）有限公司 | Intelligent charger, device and method |
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| CN113067379A (en) * | 2021-03-22 | 2021-07-02 | 宁波古得电子科技有限公司 | Charging method and charger |
| CN114879548A (en) * | 2022-03-11 | 2022-08-09 | 昆明理工大学 | Intelligent remote IO station panel equipment |
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