CN208078697U - Easily fill full signal indicating device - Google Patents
Easily fill full signal indicating device Download PDFInfo
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- CN208078697U CN208078697U CN201820552298.0U CN201820552298U CN208078697U CN 208078697 U CN208078697 U CN 208078697U CN 201820552298 U CN201820552298 U CN 201820552298U CN 208078697 U CN208078697 U CN 208078697U
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Abstract
The utility model is related to a kind of instruction devices, easily filling full signal indicating device more particularly to one kind.Including the 7th capacitance, first resistor, field-effect tube, second resistance, 3rd resistor, the 4th resistance, the first capacitance, amplifier, the 5th resistance, the 6th resistance, the 7th resistance, control chip, the first diode, the second diode.The utility model can efficiently solve the big problem of full index error of filling, simple in structure, at low cost.
Description
Technical field
The utility model is related to a kind of instruction devices, easily filling full signal indicating device more particularly to one kind.
Background technology
It currently fills to satisfy and indicates that circuit is complex, cost is higher and error range is bigger.
Invention content
The technical problem to be solved by the utility model is to provide a kind of easy lamps to consume instruction device, can be effectively
It solves the problems, such as to fill full index error big.
The utility model is to solve above-mentioned technical problem by following technical proposals：One kind easily being filled full signal and referred to
Showing device, which is characterized in that it includes the 7th capacitance, first resistor, field-effect tube, second resistance, 3rd resistor, the 4th electricity
Resistance, the first capacitance, amplifier, the 5th resistance, the 6th resistance, the 7th resistance, control chip, the first diode, the second diode,
7th capacitance one end is grounded, and the 7th capacitance is connected with first resistor, and first resistor is connected with field-effect tube source electrode, field-effect tube grid
Pole is connected with 3rd resistor, and 3rd resistor is in parallel with second resistance, and second resistance is in parallel with first resistor, second resistance and the 5th
Resistance is connected, and 3rd resistor is connected with the 4th resistance, and the 4th resistance is connected with the first capacitance, and the first capacitance and the 5th resistance are simultaneously
Connection, the 5th resistance are connected with amplifier in-phase output end, and amplifier inverting input is connected with the 5th resistance, the 5th resistance and control
The 8th pin of coremaking piece is connected, and control the 7th pin of chip is connected with the 6th resistance, the 6th resistance and the 5th resistor coupled in parallel, and the 5th
Resistance and the 7th resistor coupled in parallel, the 7th resistance one end ground connection, amplifier out is connected with the 4th resistance, amplifier out and
Control the 6th pin of chip be connected, control chip second pin be connected with first diode one end, the first diode other end and
It controls the 4th pin of chip to be connected, control chip is connected with second diode one end, second diode one end ground connection, the two or two pole
The pipe other end is connected with control the first pin of chip.
Preferably, it is charging instruction that first diode, the second diode, which all use light emitting diode, the first diode,
Lamp, the second diode are to fill full indicator light.
Preferably, the amplifier uses operational amplifier.
Preferably, the field-effect tube is managed using N-MOS.
Preferably, the 7th capacitance, which uses, limit capacitance.
The positive effect of the utility model is：The utility model can efficiently solve that fill full index error big
Problem, it is simple in structure, it is at low cost.
Description of the drawings
Fig. 1 is the circuit diagram of the utility model.
Specific implementation mode
The utility model preferred embodiment is provided below in conjunction with the accompanying drawings, the technical solution of the utility model is described in detail.
As shown in Figure 1, the easy lamp consumption instruction device of the utility model includes the 7th capacitance C7, first resistor R1, field effect
It should pipe Q1, second resistance R2,3rd resistor R3, the 4th resistance R4, the first capacitance C1, amplifier A1, the 5th resistance R5, the 6th electricity
R6, the 7th resistance R7, control chip A2, the first diode D1, the second diode D2 are hindered, the 7th one end capacitance C7 is grounded, and the 7th
Capacitance C7 connects with first resistor R1, and first resistor R1 is connected with field-effect tube Q1 source electrodes, field-effect tube Q1 grids and third electricity
It hinders R3 to be connected, 3rd resistor R3 is in parallel with second resistance R2, and second resistance R2 is in parallel with first resistor R1,3rd resistor R3 and the
Four resistance R4 series connection, the 4th resistance R4 connect with the first capacitance C1, and the first capacitance C1 is in parallel with the 5th resistance R5, the 5th resistance R5
It is connected with amplifier A1 in-phase output ends, amplifier A1 reverse input ends are connected with the 5th resistance R5, the 5th resistance R5 and control
The 8th pins of chip A2 are connected, and the 7th pins of control chip A2 are connected with the 6th resistance R6, the 6th resistance R6 and the 5th resistance R5
Parallel connection, the 5th resistance R5 is in parallel with the 7th resistance R7, the 7th one end resistance R7 ground connection, amplifier A1 output ends and the 4th resistance R4
It is connected, amplifier A1 output ends are connected with control the 6th pins of chip A2, control chip A2 second pins and the first diode D1
One end is connected, and the first diode D1 other ends are connected with control the 4th pins of chip A2, control chip A2 and the second diode D2
One end is connected, and second one end diode D2 ground connection, the second diode D2 other ends are connected with control the first pins of chip A2.8th
Resistance R8 and second resistance R2 is connected in same node CS2.The ends G1 of 5th resistance R5 are connected with the ends G1 of control chip A2.
It is charging instruction that the first diode D1, the second diode D2, which use light emitting diode, the first diode D1,
Lamp, the second diode D2 are to fill full indicator light, fill two states in full and charging with traffic lights to respectively represent in charger, red
Color represents in charging progress, and green, which represents, fills full instruction.
The amplifier A1 uses operational amplifier, this circuit that an amplifier may be implemented, i.e. the finger of full signal is filled in control
Show and can control the electric current of output.
The field-effect tube Q1 uses field-effect tube depletion type N-MOS, can be used for controlling charger using N-MOS
Low current part, and can be used for realizing the instruction for filling full signal.
The 7th capacitance C7 is using there is limit capacitance, using the capacitance used for the effect of filtering.
The operation principle of the utility model is as follows：Power supply charges the battery process, controls the ends the G1 output 0.5Hz's of chip
Low and high level, the ends G2 for controlling chip export always high level；When the G1 output high level of control chip and power supply is in constant current
Charged state, the first diode D1 are always on.When the G1 for controlling chip brings out low level, power supply is charged the battery with low current,
With the raising of cell voltage, controls the electric current when G1 of chip brings out high level and reduce therewith, i.e., power supply enters constant pressure shape
State；When the G1 for controlling chip brings out high level, electric power outputting current is reduced to electricity when exporting low level with the ends G1 of control chip
When flowing consistent, the second diode D2 is always on.The ends G2 of control chip A2 go out always high level, the 6th resistance R6 and the 7th resistance
The voltage for carrying out dividing to obtain amplifier anode of R7 controls the low and high level of the ends the G1 output 0.5Hz in chip A2, works as control
When the ends the G1 output high level of coremaking piece, then resistance and the 7th resistance R7 after the 5th resistance R5 is in parallel with the 6th resistance R6 carry out
The voltage being divided to is exactly the voltage of amplifier anode, to obtain the voltage of amplifier anode, when G1 brings out high level at power supply
In constant-current charge state, charging indicator light is always on as red.When G1 brings out low level, power supply is charged the battery with low current,
With the raising of cell voltage, electric current when G1 brings out high level reduces therewith, i.e., power supply enters pressure constant state.When G1 is brought out
When electric power outputting current is reduced to that electric current is consistent when bringing out low level with G1 when high level, the second diode is always on as green.
Particular embodiments described above, the technical issues of to the solution of the utility model, technical solution and advantageous effect
It has been further described, it should be understood that the foregoing is merely specific embodiment of the utility model, not
For limiting the utility model, within the spirit and principle of the utility model, any modification for being made, changes equivalent replacement
Into etc., it should be included within the scope of protection of this utility model.
Claims (5)
1. one kind easily filling full signal indicating device, which is characterized in that it include the 7th capacitance, first resistor, field-effect tube,
Second resistance, 3rd resistor, the 4th resistance, the first capacitance, amplifier, the 5th resistance, the 6th resistance, the 7th resistance, control core
Piece, the first diode, the second diode, the 7th capacitance one end ground connection, the 7th capacitance are connected with first resistor, first resistor and field
Effect pipe source electrode is connected, and fet gate is connected with 3rd resistor, and 3rd resistor is in parallel with second resistance, second resistance and the
One resistor coupled in parallel, second resistance are connected with the 5th resistance, and 3rd resistor is connected with the 4th resistance, the 4th resistance and the first capacitance string
Connection, the first capacitance and the 5th resistor coupled in parallel, the 5th resistance is connected with amplifier in-phase output end, amplifier inverting input and the
Five resistance are connected, and the 5th resistance is connected with control the 8th pin of chip, and control the 7th pin of chip is connected with the 6th resistance, and the 6th
Resistance and the 5th resistor coupled in parallel, the 5th resistance and the 7th resistor coupled in parallel, the 7th resistance one end ground connection, amplifier out and the 4th
Resistance is connected, and amplifier out is connected with control the 6th pin of chip, control chip second pin and first diode one end
It is connected, the first diode other end is connected with control the 4th pin of chip, and control chip is connected with second diode one end, and second
Diode one end is grounded, and the second diode other end is connected with control the first pin of chip.
2. easily filling full signal indicating device as described in claim 1, which is characterized in that first diode, second
It is charging indicator light that diode, which all uses light emitting diode, the first diode D1, and the second diode D2 is to fill full indicator light.
3. easily filling full signal indicating device as described in claim 1, which is characterized in that the amplifier is put using operation
Big device.
4. easily filling full signal indicating device as described in claim 1, which is characterized in that the field-effect tube is imitated using field
It should pipe depletion type N-MOS.
5. easily filling full signal indicating device as described in claim 1, which is characterized in that the 7th capacitance, which uses, pole
It rations the power supply appearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820552298.0U CN208078697U (en) | 2018-04-18 | 2018-04-18 | Easily fill full signal indicating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820552298.0U CN208078697U (en) | 2018-04-18 | 2018-04-18 | Easily fill full signal indicating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208078697U true CN208078697U (en) | 2018-11-09 |
Family
ID=64040097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820552298.0U Active CN208078697U (en) | 2018-04-18 | 2018-04-18 | Easily fill full signal indicating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208078697U (en) |
-
2018
- 2018-04-18 CN CN201820552298.0U patent/CN208078697U/en active Active
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