CN209233495U - Multimode indicates aperture onboard charger - Google Patents
Multimode indicates aperture onboard charger Download PDFInfo
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- CN209233495U CN209233495U CN201821583378.9U CN201821583378U CN209233495U CN 209233495 U CN209233495 U CN 209233495U CN 201821583378 U CN201821583378 U CN 201821583378U CN 209233495 U CN209233495 U CN 209233495U
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Abstract
The utility model relates to a kind of multimodes to indicate aperture onboard charger, it includes charger body and the circuit board that is installed in charger body, charger body includes shell, positive electrode and cathode component, shell is equipped with interface module, aperture and indicator light are cased on interface module periphery, circuit board is equipped with main control chip, aperture instruction control chip, temperature collecting cell and condition indication circuit comprising the indicator light, the aperture instruction control chip is connected to main control chip, the temperature collecting cell includes the thermistor on shell or circuit board, temperature data is transferred to aperture instruction control chip by wireless transmission or wire transmission by the temperature collecting cell, it is according to the ignition frequency of temperature collection data control instructions lamp and lighting time and regulates and controls the output power of onboard charger or stops charging Output is achieved in multimode instruction, avoids High Temperature, use is more safe and reliable to indicate temperature anomaly state.
Description
Technical field
The utility model relates to onboard charger technical fields, and in particular to a kind of multimode instruction aperture vehicle-mounted charge
Device.
Background technique
With the extensive use of electronic equipment, since onboard charger is easy to use and easy to carry, in the daily of people
It is also had been widely used in life.Currently, portable, hand-held electronic equipment such as mobile phone, plate etc. is at for people's lives
One of necessity, these electronic product functional applications are more, and long using the time, power consumption is fast.In order to which the offer of electron product is more square
Just it efficiently charges, most of electronic products all uses lithium battery at present.In general, lithium battery charging is needed in constant pressure, perseverance
It is completed in the environment of stream, but vehicular power-bottle power supply instability, phenomena such as there are momentary spikes voltages, system switching noise.Thus
Promote the extensive use of onboard charger.
When existing onboard charger charges, it will usually there is indicator light instruction, but only slight indicator light, instruction effect
Fruit is not obvious.In addition, the mounting structure needs that the installation of indicator light and entire vehicle fill are more compact.In addition, user charges
Shi Tongchang is used while charging, and high temperature is easy to appear in charger, and existing charger lacks temperature alarming prompt.
Utility model content
In view of this, indicating aperture with the instruction of temperature anomaly light, compact-sized multimode it is necessary to provide a kind of
Onboard charger, to remind user's charging temperature state in time, use is more safe and reliable.
A kind of multimode instruction aperture onboard charger comprising charger body and the electricity being installed in charger body
Road plate, the charger body include shell, positive electrode and cathode component, and the shell is equipped with interface module, in interface group
Part periphery is cased with aperture and indicator light, and the circuit board is equipped with main control chip, aperture instruction control chip, temperature acquisition list
Member and the condition indication circuit comprising the indicator light, the condition indication circuit be connected to aperture instruction control chip and by
The control and adjusting of aperture instruction control chip, the aperture instruction control chip are connected to main control chip, the temperature acquisition
Unit includes thermistor, and the thermistor is attached on shell or circuit board, and the temperature collecting cell is by wirelessly passing
Temperature data is transferred to aperture instruction control chip by defeated or wire transmission, and the aperture instruction control chip is according to temperature collection
The ignition frequency of data control instructions lamp and lighting time and output power or the stopping charging output for regulating and controlling onboard charger,
To indicate temperature anomaly state.
Preferably, the circuit board is additionally provided with voltage collection circuit, and the voltage collection circuit is connected to aperture instruction control
Voltage data feedback is simultaneously indicated control chip in aperture by coremaking piece, and the aperture instruction controls chip according to the voltage number of acquisition
Ignition frequency and lighting time according to control instructions lamp, to change indicator light illuminating state in electric voltage exception and regulate and control vehicle-mounted fill
The output power of electric appliance or the power supply for cutting off main control chip, the voltage collection circuit include being connected to aperture instruction control
The output voltage Acquisition Circuit and input voltage Acquisition Circuit of chip.
Preferably, the circuit board is additionally provided with current collection circuit, and the current collection circuit is connected to aperture instruction control
Current data feedback is simultaneously indicated control chip in aperture by coremaking piece, and the aperture instruction controls chip according to the electric current number of acquisition
Ignition frequency and lighting time according to control instructions lamp, to change indicator light illuminating state in current anomaly and regulate and control vehicle-mounted fill
The output power of electric appliance or the power supply for cutting off main control chip.
Preferably, the indicator light is one or more, wherein having an indicator light is fast charge indicator light, in the voltage
When the collected voltage of Acquisition Circuit reaches fast charge voltage value, in the form of specific instruction or particular color lights the fast charge instruction
Lamp.
Preferably, the fast charge indicator light, which has, is always on indicating mode and/or periodically by secretly to bright circulation indicating mode,
It is fast described in the aperture instruction control chip controls when the collected voltage of the voltage collection circuit reaches fast charge voltage value
Indicator light is filled to flash or be always on indicating mode or periodically by secretly indicating fast charge state to bright circulation indicating mode.
Preferably, the indicator light is one or more, wherein having an indicator light for normal indicator light or having a finger
Show that lamp carries out area using two different indicating modes or two kinds of different colours for abnormal indicator light or by single indicator light
Normally it is not in pre- in the voltage collection circuit or the collected voltage data and current data of current collection circuit with exception
If when in threshold value, the aperture instruction control chip controls light the indicator light with normal indicating mode or particular color,
When the voltage collection circuit or the collected voltage data and current data of current collection circuit exceed preset threshold, the light
Circle instruction control chip controls light the indicator light with abnormal indicating mode or particular color, there is a finger in the indicator light
Show that lamp is alternator indicator or carries out indicator current exception by indicator light with the third indicating mode or the third color, in institute
When stating the collected current data of current collection circuit greater than pre-set current value, the aperture instruction control chip controls are with third
Kind indicating mode or the third color light the indicator light.
Preferably, the indicator light be one or more, each indicator light be monochromatic burner, bi-colour light or polychromatic light,
The aperture instruction control chip controls the indicator light according to collected voltage data, current data or temperature data respectively
Display particular color is lighted in a particular form.
Preferably, the main control chip is synchronous dual output port DC/DC buck converter, the input for allowing to have 5V-36V
Voltage, the indicator light have normal indicator light and abnormal indicator light, indicator light described in the aperture instruction control chip controls
Normal indicator light is lighted when the input voltage of input voltage Acquisition Circuit acquisition is in the normal range (NR) of setting, in the defeated of acquisition
Abnormal indicator light is lighted when entering normal voltage of the voltage beyond setting.
Preferably, the aperture instruction control chip is connected with a voltage regulator circuit, the pressure stabilizing in voltage input front end
Circuit includes chip U5, capacitor C23, capacitor C24, capacitor C3, capacitor C22, and the U5 has the first pin, the second pin and the
Three-prong, input terminal and output end, the input terminal connect external input power, and the output end is connected to the aperture instruction
Chip is controlled, the capacitor C23, the one end capacitor C24 are connected in parallel in first pin and connect external input power
Between input terminal, the other end is grounded respectively, and the capacitor C3, the one end capacitor C22 are connected in parallel in first pin and company
It connects between the input terminal of external input power, the other end is grounded respectively, the third pin ground connection.
Preferably, the output voltage Acquisition Circuit includes resistance R23, capacitor C19, input collection terminal, output feedback end
And coupled in series resistance R22 and the one end resistance R21, the capacitor C19 between input collection terminal, output feedback end are connected to
Feedback end, other end ground connection are exported, the one end the resistance R23 is connected between resistance R22 and resistance R21 on circuit, the other end
Ground connection, the input voltage Acquisition Circuit include resistance R20, capacitor C20, input collection terminal, output feedback end and series connection connection
It is connected to resistance R18 and the one end resistance R19, the capacitor C20 between input collection terminal, output feedback end and is connected to output feedback
End, other end ground connection, the one end the resistance R20 are connected between resistance R18 and resistance R19 on circuit, other end ground connection.
In above-mentioned multimode instruction aperture onboard charger, there is main control chip and aperture instruction control core on circuit board
Piece, control instructions lamp light form and color change.It is indicated by temperature collecting cell temperature collection data feedback in aperture
Chip is controlled, aperture instruction control chip is made to be controlled and be adjusted according to temperature data, when temperature is more than preset value, control
The ignition frequency of indicator light and lighting time, to change indicator light illuminating state in temperature anomaly and regulate and control onboard charger
Output power or the power supply for cutting off main control chip.On the one hand it is the reliable charging modes of customers with secure, on the other hand may be used also
The instruction for carrying out electric current and/or voltage is carried out the instruction of various states by one or more indicator lights, not only indicates one kind
State can indicate that charging indices are normal or abnormal simultaneously, or even can also indicate fast charge mode, really realize that multimode refers to
Show, user is facilitated intuitively, quickly to understand charge condition in time, it is esy to use, safe and reliable convenient for processing in time.In addition, light
Circle is compact-sized by filling on shell loaded on vehicle, easy for installation, is with a wide range of applications.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the multimode instruction aperture onboard charger of the utility model embodiment.
Fig. 2 is the dimensional decomposition structure diagram of the multimode instruction aperture onboard charger of the utility model embodiment.
Fig. 3 is the main control chip circuit diagram of the multimode instruction aperture onboard charger of the utility model embodiment.
Fig. 4 is the aperture instruction control chip circuit of the multimode instruction aperture onboard charger of the utility model embodiment
Schematic diagram.
Fig. 5 is the condition indication circuit schematic diagram of the multimode instruction aperture onboard charger of the utility model embodiment.
Fig. 6 is the temperature collecting cell circuit theory of the multimode instruction aperture onboard charger of the utility model embodiment
Figure.
Fig. 7 is the output voltage Acquisition Circuit principle of the multimode instruction aperture onboard charger of the utility model embodiment
Figure.
Fig. 8 is the input voltage Acquisition Circuit principle of the multimode instruction aperture onboard charger of the utility model embodiment
Figure.
Fig. 9 is the voltage regulator circuit schematic diagram of the multimode instruction aperture onboard charger of the utility model embodiment.
Specific embodiment
The utility model is described in detail below with reference to specific embodiments and the drawings.
Fig. 1, Fig. 2 are please referred to, a kind of multimode instruction aperture onboard charger 100 of the utility model embodiment is shown,
Including charger body 10 and the circuit board 20 that is installed in charger body 10, the charger body 10 include shell 11,
Positive electrode and cathode component, positive electrode mainly include positive bullet 12, and the positive electrode and cathode component are installed in shell
In body 11, the cathode component includes cathode contact head 13 and cathode-supported elastic slice 14, and the shell 11 has cathode hole 112,
For exposing the cathode contact head 13, the shell 11 is equipped with interface module 24, is cased with aperture 30 on 24 periphery of interface module
And it is equipped with multiple indicator lights 27, preferably LED light 27.The interface module 24 is fixedly connected with circuit board 20, the shell
One end has interface cover plate 25, and interface cover plate 25 is placed on interface module 24.
Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7 are please referred to, the circuit board 20 is equipped with main control chip U1, aperture instruction control
Chip U4, voltage collection circuit, current collection circuit 60, temperature collecting cell 80 and the condition indication circuit comprising indicator light
50, the aperture instruction control chip U4 is connected to main control chip U1, and the voltage collection circuit, current collection circuit 60 are distinguished
It is connected to aperture instruction control chip U4 and voltage data and current data feedback is indicated into control chip U4, the shape in aperture
State indicating circuit 50 is connected to aperture instruction control chip U4 and is indicated the control and adjusting of control chip U4, the light by aperture
Ignition frequency and lighting time of the circle instruction control chip U4 according to the voltage data and current data control instructions lamp of acquisition, with
Change indicator light illuminating state in current or voltage exception and regulates and controls the output power of onboard charger or stop charging output.
As illustrated in fig. 1 and 2, specifically, the interface module 24 includes more than two charging interfaces, as shown, respectively
For Type-C interface or Light interface or USB interface.The interface cover plate 25 that there is the shell lid to set interface module 24, it is described
End cap is extended with the frame 26 for being placed on charging interface periphery, and the aperture 30 is sheathed on frame 26.The interface cover plate 25 is covering
If the end face of interface module 24 has the annular space for exposing 30 top edge of aperture.
Further, the aperture 30 be ring-type, the interface module 24 be it is rectangular, the aperture 30 is external in interface group
24 periphery of part.The inner surface of 26 outer surface of frame and aperture 30 is correspondingly provided with the first buckle structure mutually fastened.One
In a embodiment, first buckle structure includes catching groove and buckles into the convex buckle in catching groove.In the illustrated embodiment, described
One buckle structure includes multiple boss 31 set on multiple convex buckles 261 of 26 outer surface of frame and set on 30 inner surface of aperture, institute
26 outer surface of frame is stated at least two plane sides, multiple convex buckles 261 are convexly equipped at least two plane sides, multiple described
Boss 31 corresponding to multiple 261 positions of convex buckle be arranged, multiple boss 31 have side plane, the side plane of the boss 31 with
The plane side of frame 26 be combined with each other, the circumferential surface one of the circumferential surface that the side plane of multiple boss 31 surrounds and multiple plane sides
It causes.As shown, the side of frame 26 includes plane side, there can also be circular arc side, pass through circular arc side and 30 inner wall of aperture
In conjunction with.
As shown in figure 3, boss 31 can be with hangers shape or mososeries, since aperture 30 is cylinder open form shape, boss 31 is just
The string being equivalent on circumference.Preferably, the boss 31 is wedge shaped, the boss 31 by lozenges wedge convex buckle 261 and by
Convex buckle 261 is blocked.Further, 11 inner surface of shell and 30 outer surface of aperture are correspondingly provided with the second buckle structure.It is described
Second buckle structure includes buckle 33 and the button bit (not shown) for receiving buckle 33.
In addition, the circuit board 20 includes main circuit board 21 and PCBA board 22, the PCBA board 22 is loaded on main circuit board
2021 top and perpendicular to main circuit board 2021, the interface module 24 fills in PCBA board 22,22 surrounding of PCBA board
Edge is equipped with multiple LED light 27, and as indicator light 27, multiple LED light 27 are located at the inside of aperture 30.
Further, the cathode contact head 13 is integrally formed at the both ends of an arc cathode contact elastic slice 131, described
Cathode-supported elastic slice 14 is the arc spring lamination for being posted by 131 inside of arc cathode contact elastic slice, the both ends point of the arc spring lamination
Not Ju You contact 141, contact 141 is immediately contacted with cathode contact head 13.The anode bullet 12 is connected by an adapter 17
It is connected to shell 11.
The indicator light is one or more LED light.Preferably, each indicator light 27 is respectively monochromatic burner, double-colored
Lamp or polychromatic light.
In one embodiment of the utility model, using single indicator light form, at this point, being adopted by this single indicator light
With a variety of different indicating modes or a variety of different colours distinguish it is normal with it is abnormal, for example, showing green when electric voltage exception
Lamp simultaneously flashes, and is always on when normal, when current anomaly, is displayed in blue lamp flashing, is always on when normal, when temperature anomaly, shows red
Colored lights flashing, is always on when normal.When using single monochromatic burner, it is always on when total data is normal, when electric voltage exception, flashes, when
When current anomaly, increase flicker frequency or brightness and alternately change, when temperature anomaly, by secretly to bright cyclically-varying.Certainly specific
Using when can be configured as needed, to distinctly display.
In one embodiment of diagram, as shown in figures 2 and 5, the indicator light includes multiple, for example, respectively LED1,
LED2,LED3,LED4,LED5,LED6.Preferably, at least one indicator light is fast charge indicator light in the indicator light 27,
When the collected voltage of voltage collection circuit reaches fast charge voltage value, in the form of specific instruction or particular color light it is described
Fast charge indicator light.Preferably, the fast charge indicator light, which has, is always on indicating mode and/or periodically by secretly indicating mould to bright circulation
Formula, when the collected voltage of the voltage collection circuit reaches fast charge voltage value, the aperture instruction control chip U4 control
The fast charge indicator light is to flash or be always on indicating mode or periodically by secretly indicating fast charge state to bright circulation indicating mode.
Preferably, have that an indicator light is normal indicator light or to have an indicator light be abnormal instruction in the indicator light 27
Lamp is in preset threshold in the voltage collection circuit or the collected voltage data and current data of current collection circuit 60
When, the aperture instruction control chip U4 control lights the normal indicator light with normal indicating mode or particular color, in institute
When stating voltage collection circuit or the collected voltage data and current data of current collection circuit 60 beyond preset threshold, the light
Circle instruction control chip U4 control lights the abnormal indicator light, while adjustable control vehicle-mounted with abnormal indicating mode or particular color
The output power (promoting or reduce output power) of charger or cutting chip U1 power supply.
Further, an indicator light is alternator indicator or refers to by indicator light with the third in the indicator light 27
Show that mode or the third color carry out indicator current exception, is greater than in the collected current data of the current collection circuit 60 pre-
If when current value, aperture instruction control chip U4 control is to be always on or flash pattern or become particular color and light instruction
Lamp.The aperture instruction control chip U4 controls each indicator light according to collected voltage data and current data respectively
27 display particular colors.The aperture indication LED lamp 27 is connected in aperture instruction control chip U4, indicates to control by aperture
Chip U4 control aperture indication LED lamp 27 lights aperture 30, to indicate the voltage input shape of charging voltage state and charger
State namely automobile storage battery voltage output state.Pass through voltage data, the output power of the controllable onboard charger of chip U4 simultaneously
(promoting or reduce output power) or cutting chip U1 power supply.
The instruction of above each indicator light 27, which can be, to be always on or flash pattern, or with a kind of color or it is upper two kinds with face
Color is always on or flash pattern, can also be the long bright or indicator light of specified color in the form of some cycles by a kind of color from
It secretly arrives bright mode and recycles display (such as: blue).In addition, voltage collection circuit or the collected voltage number of current collection circuit 60
According to further including voltage and current pulses data with current data, by will pass through the instruction of fast charge indicator light currently for fast charge in the form of it is same
When, judge that current fast charge is QC fast charge mode or PD fast charge mode.
As shown in figure 3, showing the main control chip U1, the main control chip U1 of the present embodiment use preferably using synchronous lose-lose
Exit port DC/DC buck converter, the input voltage with 5V-36V, peak power output: 5V/6A, more preferably SC8102
Chip.The SC8102 chip adjusts output voltage and is fixed 5V or realizes customized voltage by setting divider resistance R2
Value.Main control chip U1 uses fixed current mode, reaches setting electric current limit value to avoid any of two output channels.
Gross output can be by resistor Lai program-controlled, this becomes easy constant power control.The SC8102 chip is also supported low
It voltage protection, overvoltage protection, short-circuit protection and is restarted automatically in order to avoid crossing the omnibearing protection of protection etc. of high temperature.The instruction
Lamp 27 has normal indicator light and abnormal indicator light, and the aperture instruction control chip U4 controls the indicator light 27 in input electricity
Normal indicator light is lighted when the input voltage of pressure Acquisition Circuit acquisition is in the normal range (NR) of setting, it is super in the input voltage of acquisition
Abnormal indicator light is lighted when the normal voltage set out.
Further, main control chip U1 is connected with an input filter capacitor C5, the master in voltage input pin front end
Controlling chip U1 has multiple power switch node SW, and an output is connected between power switch node SW and voltage output end
Filter capacitor C4.Further, the main control chip U1 is in series with one between power switch node and output filter capacitor C4
A energy storage inductor L2.
As shown in figure 4, the circuit structure of display aperture instruction control chip U4, the aperture instruction control chip U4 access
5V input voltage, the aperture instruction control chip U4 has multiple LED pipe feet, such as pin LED1-LED6.It is controlled by chip U4
LED light display color and illuminating state processed and time.For example, when automobile charging battery jar is in the normal range (NR) of setting, i.e., it is defeated
Enter voltage it is normal when, light normal indicator light, be the first color lamp, for example, green light, automobile storage battery voltage beyond setting
Abnormal indicator light is lighted when fixed normal voltage, is second of color lamp, for example, red light, or using the second of blinking form
Kind color lamp.For example, the voltage when automobile is 12V, 12V is become by 5V by main control chip U1, onboard charger normally exports
Voltage 5V, charges normal to mobile phone, and indicator light is green aperture；When the spread of voltage of automobile is lower than or high pressure normal value,
Such as beyond 12.5 to 11.5 this section, that is, think to occur abnormal, the control chip U4 control instructions LED light of aperture instruction at this time
27 redden lamp or flashing.Aperture 30 can not only make decoration function as a result, while charging electricity whether can also show normal
Pressure condition.
As shown in Figure 6, it is preferable that the temperature collecting cell 80 includes thermistor RT1 and wireless data transfer element,
The thermistor is attached at shell or main control chip U1 or aperture instruction control chip U4, wireless data transfer element use
Temperature data is transferred to aperture instruction control chip by wireless data transfer element by AD_RT_V, the temperature collecting cell
The ignition frequency and lighting time of U4, the aperture instruction control chip U4 according to temperature collection data control instructions lamp, to refer to
Temperature displaying function abnormality, while the output power (promoting or reduce output power) or cutting chip of controllable onboard charger
U1 power supply.Certainly, the temperature collecting cell 80, which can also directly pass through route or be set on circuit board 20, is connected to display
Aperture instruction control chip U4.For example, the output power that vehicle fills reduces or stops defeated when vehicle fills the temperature that temperature is higher than setting
Out, the temperature that then vehicle fills rolls back vehicle in range of set value and fills with regard to total power output.
As shown in figure 4, current acquisition module 60 directly couples display aperture instruction control chip U4, aperture instruction control core
Piece U4 tool includes two collection terminal I1 and I2 and electricity there are two pin I DET 1 and I DET 2, current acquisition module 60 is acquired
R24 and R25 is hindered, resistance R24 is connected between acquisition pin I DET 1 and collection terminal I1, and resistance R25 is connected to acquisition pin I
Between DET 2 and collection terminal I2, resistance R24 and R25 after connection capacitor C25 and capacitor C26 respectively simultaneously by being grounded.
As shown in FIG. 7 and 8, the voltage collection circuit includes the output electricity for being connected to aperture instruction control chip U4
Press Acquisition Circuit 71 and input voltage Acquisition Circuit 72.Preferably, the output voltage Acquisition Circuit 71 includes resistance R23, electricity
Hold C19, input collection terminal VIN, output feedback end VinCar and coupled in series in input collection terminal VIN, output feedback end
Resistance R22 and the one end resistance R21, the capacitor C19 are connected to output feedback end VinCar between VinCar, and the other end is grounded,
The one end the resistance R23 is connected between resistance R22 and resistance R21 on circuit, other end ground connection, the input voltage acquisition electricity
Road includes resistance R20, capacitor C20, input collection terminal VIN, output feedback end VinCar and coupled in series in input collection terminal
Resistance R18 and the one end resistance R19, the capacitor C20 are connected to output feedback end between VIN, output feedback end VinCar
VinCar, other end ground connection, the one end the resistance R20 are connected between resistance R18 and resistance R19 on circuit, other end ground connection.
In addition, the aperture instruction control chip U4 is connected with a voltage regulator circuit in voltage input front end, such as Fig. 9 institute
Show, the voltage regulator circuit includes chip U5, capacitor C23, capacitor C24, capacitor C3, capacitor C22, the U5 have the first pin,
Second pin and third pin, input terminal and output end, the input terminal connect external input power, and the output end is connected to
The aperture instruction control chip U4, the capacitor C23, the one end capacitor C24 are connected in parallel in first pin and connection
Between the input terminal of external input power, the other end is grounded respectively, and the capacitor C3, the one end capacitor C22 are connected in parallel in institute
It states between the first pin and the input terminal for connecting external input power, the other end is grounded respectively, the third pin ground connection.
In above-mentioned multimode instruction aperture onboard charger 100, on circuit board 20 there is main control chip U1 and aperture to refer to
Show that control chip U4, control instructions lamp 27 light form and color change.Pass through 80 temperature collection data of temperature collecting cell
It feeds back and indicates control chip U4 in aperture, so that aperture instruction control chip U4 is controlled and is adjusted according to temperature data, work as temperature
When degree is more than preset value, the ignition frequency of control instructions lamp 27 and lighting time are lighted with changing indicator light in temperature anomaly
State simultaneously regulates and controls the output power of onboard charger or cuts off the power supply of main control chip.It on the one hand is that customers with secure is reliable
On the other hand charging modes carry out current and voltage data acquisition by current collection circuit 60 and voltage collection circuit 71 and 72,
The instruction that can carry out electric current and/or voltage is carried out the instruction of various states by one or more indicator lights, not only indicates one
Kind state can indicate that charging indices are normal or abnormal simultaneously, or even can also indicate fast charge mode, really realize multimode
Instruction facilitates user intuitively, quickly to understand charge condition in time, esy to use, safe and reliable convenient for processing in time.In addition,
Aperture is compact-sized by filling on shell loaded on vehicle, easy for installation, is with a wide range of applications.
In above-mentioned multimode instruction aperture onboard charger, there is main control chip and aperture instruction control core on circuit board
Piece, control instructions lamp light form and color change.It is indicated by temperature collecting cell temperature collection data feedback in aperture
Chip is controlled, so that aperture instruction control chip is controlled and is adjusted according to temperature data, when temperature is more than preset value
It should be noted that the utility model is not limited to above embodiment, creation essence according to the present utility model
Mind, those skilled in the art can also make other variations, these variations done according to the creative spirit of the utility model, all
Should be included in the utility model it is claimed within the scope of.
Claims (10)
1. a kind of multimode indicates aperture onboard charger, including charger body and the circuit being installed in charger body
Plate, the charger body include shell, positive electrode and cathode component, which is characterized in that and the shell is equipped with interface module,
It is cased with aperture and indicator light on interface module periphery, the circuit board is equipped with main control chip, aperture instruction control chip, temperature
Acquisition unit and the condition indication circuit comprising the indicator light are spent, the condition indication circuit is connected to aperture instruction control
Chip and the control and adjusting that control chip is indicated by aperture, the aperture instruction control chip is connected to main control chip, described
Temperature collecting cell includes thermistor, and the thermistor is attached on shell or circuit board, and the temperature collecting cell is logical
Cross wireless transmission or wire transmission and temperature data be transferred to aperture instruction control chip, aperture instruction control chip according to
The ignition frequency of temperature collection data control instructions lamp and lighting time and output power or the stopping for regulating and controlling onboard charger
Charging output, to indicate temperature anomaly state.
2. multimode as described in claim 1 indicates aperture onboard charger, which is characterized in that the circuit board is additionally provided with electricity
Acquisition Circuit is pressed, the voltage collection circuit is connected to aperture instruction control chip and indicates to control in aperture by voltage data feedback
Coremaking piece, ignition frequency and lighting time of the aperture instruction control chip according to the voltage data control instructions lamp of acquisition,
With the change indicator light illuminating state in electric voltage exception and regulates and controls the output power of onboard charger or cut off the confession of main control chip
Electricity, the voltage collection circuit include the output voltage Acquisition Circuit and input voltage for being connected to aperture instruction control chip
Acquisition Circuit.
3. multimode as claimed in claim 2 indicates aperture onboard charger, which is characterized in that the circuit board is additionally provided with electricity
Acquisition Circuit is flowed, the current collection circuit is connected to aperture instruction control chip and indicates to control in aperture by current data feedback
Coremaking piece, ignition frequency and lighting time of the aperture instruction control chip according to the current data control instructions lamp of acquisition,
With the change indicator light illuminating state in current anomaly and regulates and controls the output power of onboard charger or cut off the confession of main control chip
Electricity.
4. multimode as claimed in claim 3 indicates aperture onboard charger, which is characterized in that the indicator light be one or
It is multiple, wherein having an indicator light is fast charge indicator light, reach fast charge voltage in the collected voltage of the voltage collection circuit
When value, in the form of specific instruction or particular color lights the fast charge indicator light.
5. multimode as claimed in claim 4 indicates aperture onboard charger, which is characterized in that the fast charge indicator light has
It is always on indicating mode and/or periodically by secretly to bright circulation indicating mode, reaching in the collected voltage of the voltage collection circuit
When to fast charge voltage value, fast charge indicator light described in the aperture instruction control chip controls is to flash or be always on indicating mode or week
Phase property is by secretly indicating fast charge state to bright circulation indicating mode.
6. multimode as claimed in claim 3 indicates aperture onboard charger, which is characterized in that the indicator light be one or
Multiple, wherein having, an indicator light is normal indicator light or to have an indicator light be abnormal indicator light or by single indicator light
Using two different indicating modes or two kinds of different colours distinguish it is normal with it is abnormal, in the voltage collection circuit or electricity
When the stream collected voltage data and current data of Acquisition Circuit are in preset threshold, the aperture instruction control chip controls
The indicator light is lighted with normal indicating mode or particular color, is collected in the voltage collection circuit or current collection circuit
Voltage data and current data when exceeding preset threshold, aperture instruction control chip controls are with abnormal indicating mode or spy
Determine color and light the indicator light, there is an indicator light to be alternator indicator or pass through indicator light with the third in the indicator light
Indicating mode or the third color carry out indicator current exception, are greater than in the collected current data of the current collection circuit pre-
If when current value, the aperture instruction control chip controls light the instruction with the third indicating mode or the third color
Lamp.
7. multimode as claimed in claim 3 indicates aperture onboard charger, which is characterized in that the indicator light be one or
Multiple, each indicator light is monochromatic burner, bi-colour light or polychromatic light, and the aperture instruction control chip is according to collected electricity
Pressure data, current data or temperature data control the indicator light respectively and show particular color or light in a particular form.
8. multimode as claimed in claim 2 indicates aperture onboard charger, which is characterized in that the main control chip is to synchronize
Dual output port DC/DC buck converter, the input voltage for allowing to have 5V-36V, the indicator light have normal indicator light and different
Normal indicator light, the aperture instruction control indicator light described in chip controls and exist in the input voltage that input voltage Acquisition Circuit acquires
Normal indicator light is lighted when in the normal range (NR) of setting, lights exception when the input voltage of acquisition is beyond the normal voltage of setting
Indicator light.
9. multimode as described in claim 1 indicates aperture onboard charger, which is characterized in that the aperture instruction control core
Piece is connected with a voltage regulator circuit in voltage input front end, and the voltage regulator circuit includes chip U5, capacitor C23, capacitor C24, electricity
Hold C3, capacitor C22, the U5 have the first pin, the second pin and third pin, input terminal and output end, the input terminal
External input power is connected, the output end is connected to the aperture instruction control chip, the capacitor C23, the one end capacitor C24
It is connected in parallel in first pin and connects between the input terminal of external input power, the other end is grounded respectively, the electricity
Hold C3, the one end capacitor C22 is connected in parallel in first pin and is connected between the input terminal of external input power, the other end
It is grounded respectively, the third pin ground connection.
10. multimode as claimed in claim 2 indicates aperture onboard charger, which is characterized in that the output voltage acquisition
Circuit includes that resistance R23, capacitor C19, input collection terminal, output feedback end and coupled in series are anti-in input collection terminal, output
Resistance R22 and the one end resistance R21, the capacitor C19 are connected to output feedback end, other end ground connection, the resistance between feedback end
The one end R23 is connected between resistance R22 and resistance R21 on circuit, and other end ground connection, the input voltage Acquisition Circuit includes electricity
Hinder R20, capacitor C20, input collection terminal, output feedback end and the coupled in series electricity between input collection terminal, output feedback end
Resistance R18 and the one end resistance R19, the capacitor C20 are connected to output feedback end, other end ground connection, the connection of the one end the resistance R20
Between resistance R18 and resistance R19 on circuit, other end ground connection.
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| CN201821583378.9U CN209233495U (en) | 2018-09-27 | 2018-09-27 | Multimode indicates aperture onboard charger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595882A (en) * | 2020-12-09 | 2021-04-02 | 中国十九冶集团有限公司 | Light-operated combined warning device |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595882A (en) * | 2020-12-09 | 2021-04-02 | 中国十九冶集团有限公司 | Light-operated combined warning device |
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