CN208480004U - A kind of control panel electrification circuit and the human body sensing lamps and lanterns using it - Google Patents
A kind of control panel electrification circuit and the human body sensing lamps and lanterns using it Download PDFInfo
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- CN208480004U CN208480004U CN201821289960.4U CN201821289960U CN208480004U CN 208480004 U CN208480004 U CN 208480004U CN 201821289960 U CN201821289960 U CN 201821289960U CN 208480004 U CN208480004 U CN 208480004U
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Abstract
The utility model relates to control panel technical fields, more specifically, it is related to a kind of control panel electrification circuit and the human body sensing lamps and lanterns using it, its key points of the technical solution are that: control panel electrification circuit comprising first input end, RC series circuit, first resistor and the first output end；The RC series circuit is in parallel with the first resistor, and one end of the two is connect with the first input end, and the other end of the two is connect with first output end.The control panel electrification circuit of the utility model not only can the control panel small to starting current power on, can also the control panel big to starting current power on, versatility is stronger.In addition, its Overall Power Consumption is also smaller, energy conservation and environmental protection, and it is disposable good.
Description
Technical field
The utility model relates to control panel technical field, in particular to a kind of control panel electrification circuit and the human body using it
Incude lamps and lanterns.
Background technique
Pervious small-power lamps and lanterns are all using the RC step-down rectifying circuit of least cost or directly commercial power rectification turn
It changes direct current into power to lamps and lanterns, not any control function.With the intelligent market demand and energy-saving and environment-friendly concord, very
Mostly the lamps and lanterns with control function just come out.Various induction lamps and lanterns such as acousto-optic control lamp, which has, all has control panel, and control panel
Mostly power supply is 2.5V, 3.3V, 5V, this just needs additional reduction voltage circuit to power to control panel.And current small-power intelligent control lamp
Tool mostly uses RC step-down rectifying circuit or directly external resistor current-limiting mode behind commercial power rectification is powered to control panel.This is using electricity
The mode for hindering current limliting gives control panel power supply, for powering on for the control IC for needing starting current small, be it is out of question, can encounter
Power on for the control IC for needing starting current big, will in the presence of can not work when can work, even if resistance value is become smaller, most
After can work, but need the power of resistance just to rise, and power consumption becomes larger, so not environmentally not energy-efficient, product is disposable
It is bad.
Summary of the invention
In view of this, the present invention provides a kind of control panel electrification circuit, main purpose is to solve existing using electricity
The control board work that the mode of resistance current limliting can only make starting current small to control panel power supply, and the control that starting current can not be made big
The technical problem that plate work causes versatility poor.
The utility model also provides a kind of human body sensing lamps and lanterns using above-mentioned control panel electrification circuit.
In order to achieve the above objectives, the utility model mainly provides the following technical solutions:
On the one hand, the embodiments of the present invention provide a kind of control panel electrification circuit, including first input end, RC series connection
Circuit, first resistor and the first output end；
The RC series circuit is in parallel with the first resistor, and one end of the two is connect with the first input end, and two
The other end of person is connect with first output end.
By using above-mentioned technical proposal, control that the utility model control panel electrification circuit not only can be small to starting current
Making sheet powers on, can also the control panel big to starting current power on, versatility is stronger.
The utility model is further arranged to: the RC series circuit includes concatenated second resistance and first capacitor；
The resistance value of the second resistance is less than the resistance value of the first resistor.
By using above-mentioned technical proposal, make the capacitor of RC series circuit entire RC series circuit when just starting to charge
Resistance value it is relatively small, and then the electric current for exporting the first output end of the utility model control panel electrification circuit is relatively large,
It can be powered on to the biggish control panel of starting current.
The utility model is further arranged to: the first capacitor is electrolytic capacitor, the anode of the electrolytic capacitor and institute
It is corresponding to state first input end.
The capacitance of above-mentioned first capacitor C1 is relatively small.Preferably, the capacitance of first capacitor C1 is 1uF.First capacitor C1
Capacitance cannot be too big, if too big, impedance is relatively small, and it is larger to will lead to immediate current in this way, is easily damaged on circuit
Zener diode Z1.The capacitance of first capacitor C1 can not be too small, if too small, the electric current provided can be made inadequate,
One part of current flows to the current direction linear voltage regulator U2 that very little is left with after zener diode Z1, so that linear voltage regulator U2
Normal table voltage can not be exported, causes the single-chip microcontroller being connected with linear voltage regulator U2 output end that can not start.
The utility model is further arranged to: control panel electrification circuit further includes voltage regulation unit；
The other end of both the RC series circuit and the first resistor is defeated by the voltage regulation unit and described first
Outlet connection.
By using above-mentioned technical proposal, the stability of the utility model control panel electrification circuit output voltage is improved,
More preferably to safety.
The utility model is further arranged to: the voltage regulation unit includes linear voltage regulator；
The other end of both the RC series circuit and the first resistor and the input terminal of linear voltage regulator connect, described
The output end of linear voltage regulator is connect with first output end.
By using above-mentioned technical proposal, linear voltage regulator can guarantee that supply voltage is constant and realize active noise filter
Wave.
The utility model is further arranged to: the voltage regulation unit further includes zener diode；
The other end of both the RC series circuit and the first resistor and the cathode of zener diode connect, pressure stabilizing two
The plus earth of pole pipe.
By using above-mentioned technical proposal, zener diode is used cooperatively with linear voltage regulator above-mentioned, can be further
The stability for keeping the utility model control panel electrification circuit output voltage, so that safety is more preferably.
The utility model is further arranged to: the voltage regulation unit further includes the first voltage regulation capacitor and the second electric capacity of voltage regulation
Device；
The other end of both the RC series circuit and the first resistor and one end of first voltage regulation capacitor connect
It connects, the other end ground connection of first voltage regulation capacitor；
One end of second voltage regulation capacitor is connect with the output end, other end ground connection.
By using above-mentioned technical proposal, both the first voltage regulation capacitor and the second voltage regulation capacitor with it is above-mentioned linear steady
Depressor is used cooperatively, and can further keep the stability of the utility model control panel electrification circuit output voltage, thus safety
Property is more preferably.
The utility model is further arranged to: the quantity of the first capacitor voltage-stablizer is more than two, and wherein at least one
A is electrolytic capacitor, and the cathode of electrolytic capacitor is ground terminal.
By using above-mentioned technical proposal, the electrolytic capacitor in first capacitor voltage-stablizer can buffer zener diode Z1 two
The voltage at end is given to linear voltage regulator U2 to provide a good current potential.Electrolytic capacitor C2 also has the function of energy storage, when defeated
Enter electric current it is inadequate in the case where, electrolytic capacitor C2 can power to subsequent linear voltage regulator U2.
The utility model is further arranged to: control panel electrification circuit further includes rectifier diode；
One end of both RC series circuits and the cathode of rectifier diode connect, the anode of rectifier diode and first
Input terminal connection, so that one end of both described RC series circuits is connected by the rectifier diode and the first input end
It connects.
By using above-mentioned technical proposal, rectifier diode can be by the AC rectification inputted from first input end at arteries and veins
Dynamic direct current, to power to control panel.In addition, after rectifier diode can prevent the capacitor charging complete in RC series circuit
The reverse direction current flow being likely to occur.
On the other hand, the embodiments of the present invention also provide a kind of human body sensing lamps and lanterns comprising human body infrared induction
Control panel electrification circuit described in module and any of the above-described kind；
First output end of the control panel electrification circuit and the power supply of the control panel of the human body infrared induction module are defeated
Enter end connection.
By using above-mentioned technical proposal, the electric current in larger range can be exported due to control panel electrification circuit, thus
It can according to need the control panel of human body infrared induction module and select different brands, versatility is stronger.
By above-mentioned technical proposal, a kind of control panel electrification circuit of the utility model and application its human body sensing lamps and lanterns extremely
It has the advantages that less
In technical solution provided by the utility model, first when thering is electricity to come in, since the charging of capacitor is special
Property, Low ESR is presented in powered on moment in the capacitor in RC series circuit, so RC series circuit flows through high current；It is gone here and there in RC
Join in the capacitor charging process in circuit, the impedance that capacitor is presented becomes larger, and the electric current flowed through becomes smaller.The electric current of other part
Afterflow is carried out to subsequent conditioning circuit by first resistor R2, and capacitor can also discharge to subsequent conditioning circuit, to reach ideal value electricity
Stream.After capacitor is discharged, continue in case in input voltage, a Low ESR is presented in capacitor again, and most of
Electric current is flowed through powers to subsequent conditioning circuit, so that lesser electric current pair can both be exported by making the control panel electrification circuit of the utility model
The small control panel of starting current powers on, and can also export the biggish electric current control panel big to starting current and power on, versatility
It is stronger.In addition, and Overall Power Consumption it is also smaller, energy conservation and environmental protection, and disposable good.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.
Detailed description of the invention
Fig. 1 is a kind of structure principle chart for control panel electrification circuit that an embodiment of the utility model provides；
Fig. 2 is a kind of structure principle chart for human body sensing lamps and lanterns that an embodiment of the utility model provides；
Fig. 3 is a kind of structure principle chart for human body infrared induction module that an embodiment of the utility model provides；
Fig. 4 is a kind of structure principle chart for LED constant-current control circuit that an embodiment of the utility model provides.
Appended drawing reference: 1, first input end；2, RC series circuit；3, the first output end；4, voltage regulation unit；5, filtered electrical
Road；6, LED constant-current control circuit；7, human body infrared induction module；100, control panel electrification circuit.
Specific embodiment
Further to illustrate that the utility model is the technical means and efficacy reaching predetermined purpose of utility model and being taken,
Below in conjunction with attached drawing and preferred embodiment, to specific embodiment, structure, feature and its function according to the present utility model application
Effect, detailed description is as follows.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily same implementation
Example.In addition, the special characteristic, structure or feature in one or more embodiments can be combined by any suitable form.
As shown in Figure 1, a kind of control panel electrification circuit 100 that one embodiment of the utility model proposes comprising defeated
Enter end, RC series circuit 2, first resistor R2 and output end.In order to be separated with input terminal and output terminal region hereinafter, by this
The input terminal at place is taken as first input end 1, and output end is taken as the first output end 3.
Wherein, RC series circuit 2 is in parallel with first resistor R2, and one end of the two is connect with first input end 1, the two
The other end is connect with the first output end 3.
In the technical solution of above-mentioned offer, when thering is electricity to come in, due to the charge characteristic of capacitor, RC series electrical
Low ESR is presented in powered on moment in capacitor in road 2, so RC series circuit 2 flows through high current；In RC series circuit 2
Capacitor charging process in, capacitor present impedance become larger, the electric current flowed through becomes smaller.The electric current of other part passes through first
Resistance R2 carries out afterflow to subsequent conditioning circuit, and capacitor can also discharge to subsequent conditioning circuit, to reach ideal value electric current.Work as capacitor
After device is discharged, continue in case in input voltage, capacitor is presented a Low ESR again, and most of electric current flow through to
Subsequent conditioning circuit power supply, to make the control panel electrification circuit 100 of the utility model that can both export lesser electric current to starting electricity
It flows small control panel to power on, the biggish electric current control panel big to starting current can also be exported and powered on, versatility is stronger.
At one specifically using in example, RC series circuit 2 above-mentioned includes the electricity of concatenated second resistance R1 and first
Hold C1.Wherein, the resistance value of second resistance R1 is less than the resistance value of first resistor R2, to make the first capacitor C1 of RC series circuit 2
When just starting to charge, the resistance value of entire RC series circuit 2 is relatively small, and then makes the utility model control panel electrification circuit 100
The first output end 3 output electric current it is relatively large, can be powered on to the biggish control panel of starting current.Wherein, first resistor
R2 and the difference of second resistance R1 between the two are bigger, and the applicable control panel of the utility model control panel electrification circuit 100 opens
Streaming current is bigger.
Further, first capacitor C1 above-mentioned can be electrolytic capacitor, anode and 1 phase of first input end of electrolytic capacitor
It is corresponding.
Wherein, electrolytic capacitor is one kind of capacitor, and metal foil is positive (aluminium or tantalum), and the oxidation film of metal is close to anode
(aluminium oxide or tantalum pentoxide) is dielectric, cathode by conductive material, electrolyte (electrolyte can be liquid or solid) and
Other materials collectively constitutes, and because electrolyte is the major part of cathode, therefore electrolytic capacitor is gained the name.Electrolytic capacitor has following
Feature: the capacitance of 1. unit volumes is very big, and the capacitor than other types is big by tens to hundreds times.2. specified capacity can be with
Accomplish it is very big, tens of thousands of μ f even several f(can be easily done but cannot be with electric double layer capacitance ratio).3. price has than other types
There is overwhelming dominance, because the composition material of electrolytic capacitor is all common industrial materials, such as aluminium etc..Manufacture electrolytic capacitor
Equipment be also all common industrial equipment, can be mass produced, cost compares lower.
The capacitance of above-mentioned first capacitor C1 is relatively small.Preferably, the capacitance of first capacitor C1 is 1uF.First capacitor C1
Capacitance cannot be too big, if too big, impedance is relatively small, and it is larger to will lead to immediate current in this way, is easily damaged on circuit
Zener diode Z1.The capacitance of first capacitor C1 can not be too small, if too small, the electric current provided can be made inadequate,
One part of current flows to the current direction linear voltage regulator U2 that very little is left with after zener diode Z1, so that linear voltage regulator U2
Normal table voltage can not be exported, causes the single-chip microcontroller being connected with linear voltage regulator U2 output end that can not start.
Further, the utility model control panel electrification circuit 100 can also include voltage regulation unit 4.2 He of RC series circuit
The other end of both first resistor R2 is connect by voltage regulation unit 4 with the first output end 3.In this example, pass through the steady of setting
Unit 4 is pressed, the stability of 100 output voltage of the utility model control panel electrification circuit is improved, so that safety is more preferably.
At one specifically using in example, voltage regulation unit 4 above-mentioned may include linear voltage regulator U2.Aforementioned RC series connection
The other end of both circuit 2 and first resistor R2 are connect with the input terminal of linear voltage regulator U2, the output end of linear voltage regulator U2
It is connect with the first output end 3.
Linear voltage regulator U2(Linear Regulator) transistor or FET run in its linear region is used, from
The voltage of excess is subtracted in the input voltage of application, generates the output voltage through overregulating.Its product is all made of compact package, tool
There is outstanding performance, and the breeding properties such as thermal overload protection, safe current limliting are provided, power consumption can also be greatly reduced in shutdown mode.
Linear voltage regulator U2 can guarantee that supply voltage is constant and realize active noise filtering.
Further, voltage regulation unit 4 above-mentioned can also include zener diode Z1.RC series circuit 2 and first resistor
The other end of both R2 is connect with the cathode of zener diode Z1, the plus earth of zener diode Z1.Wherein, pass through setting
Zener diode Z1 can prevent high pressure from breaking subsequent linear voltage regulator U2.
Further, voltage regulation unit 4 above-mentioned can also include the first voltage regulation capacitor and the second voltage regulation capacitor C4.RC
The other end of both series circuit 2 and first resistor R2 are connect with one end of the first voltage regulation capacitor, the first voltage regulation capacitor
Other end ground connection.One end of second voltage regulation capacitor C4 is connect with output end, other end ground connection.
By above-mentioned setting, both the first voltage regulation capacitor and the second voltage regulation capacitor C4 and linear voltage regulator above-mentioned
U2 is used cooperatively, and can further keep the stability of 100 output voltage of the utility model control panel electrification circuit, thus safety
Property is more preferably.
Further, the quantity of aforementioned first capacitor voltage-stablizer can be two or more, and wherein at least one is electrolysis electricity
Hold, and the cathode of electrolytic capacitor is ground terminal.In one example, the quantity of first capacitor voltage-stablizer is two, and is respectively
C2 and C3.
Wherein, C2 is electrolytic capacitor, and the cathode of C2 is ground terminal.Electrolytic capacitor C2 can buffer the both ends zener diode Z1
Voltage, with provide a good current potential be given to linear voltage regulator U2.Electrolytic capacitor C2 also has the function of energy storage, works as input
In the case that electric current is inadequate, electrolytic capacitor C2 can power to subsequent linear voltage regulator U2.
C3 is 104 capacitors.C3 can play a good filter effect, to provide a good current potential to linear steady
Depressor U2.
Further, the utility model control panel electrification circuit 100 can also include rectifier diode D1.RC series circuit
Both 2 one end is connect with the cathode of rectifier diode D1, and the anode of rectifier diode D1 is connect with first input end 1, so that
One end of both RC series circuits 2 is connect by rectifier diode D1 with first input end 1.
By above-mentioned setting, rectifier diode D1 can be by the AC rectification inputted from first input end 1 at pulsation
Direct current, to power to control panel.In addition, rectifier diode D1 can prevent the capacitor charging complete in RC series circuit 2
The reverse direction current flow being likely to occur afterwards.
As shown in Figures 2 to 4, the embodiments of the present invention also provide a kind of human body sensing lamps and lanterns comprising human body is red
Control panel electrification circuit 100 in outer induction module 7 and any of the above-described example.First output of control panel electrification circuit 100
End 3 is connect with the power input of the control panel of human body infrared induction module 7, to give the control panel of human body infrared induction module 7
Power supply.
Wherein, the electric current in larger range can be exported due to control panel electrification circuit 100, to make human body infrared induction
The control panel of module 7, which can according to need, selects different brands, and versatility is stronger.
Above-mentioned human body sensing lamps and lanterns can also include sequentially connected full-bridge rectification pipe BR1, filter circuit 5 and LED
Constant-current control circuit 6.The output end of the control panel of above-mentioned human body infrared induction module 7 and the input terminal of LED constant-current control circuit 6
Connection.
In a specific application scenarios, above-mentioned human body sensing lamps and lanterns can be mounted in corridor.When human body is red
When outer induction module 7 detects someone, LED constant-current control circuit 6 controls LED light and shines, to illuminate to corridor.
According to the above embodiments, the control panel electrification circuit 100 of the utility model at least has the advantage that
The control panel electrification circuit 100 of the utility model can provide enough electric currents and be given to control panel, allow control panel can
Starting well, Overall Power Consumption is small, energy conservation and environmental protection, and disposable good.
What needs to be explained here is that: in the absence of conflict, those skilled in the art can according to the actual situation by
Relevant technical characteristic is combined with each other in above-mentioned each example, to reach corresponding technical effect, particularly for various combined situations
It will not repeat them here.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of control panel electrification circuit, which is characterized in that including first input end (1), RC series circuit (2), first resistor
And first output end (3)；
The RC series circuit (2) is in parallel with the first resistor, and one end of the two is connect with the first input end (1),
The other end of the two is connect with first output end (3).
2. a kind of control panel electrification circuit according to claim 1, which is characterized in that
The RC series circuit (2) includes concatenated second resistance and first capacitor；
The resistance value of the second resistance is less than the resistance value of the first resistor.
3. a kind of control panel electrification circuit according to claim 2, which is characterized in that
The first capacitor is electrolytic capacitor, and the anode of the electrolytic capacitor is corresponding with the first input end (1).
4. a kind of control panel electrification circuit according to any one of claim 1 to 3, which is characterized in that further include pressure stabilizing
Unit (4)；
The other end of both the RC series circuit (2) and the first resistor passes through the voltage regulation unit (4) and described first
Output end (3) connection.
5. a kind of control panel electrification circuit according to claim 4, which is characterized in that
The voltage regulation unit (4) includes linear voltage regulator；
The other end of both the RC series circuit (2) and the first resistor and the input terminal of linear voltage regulator connect, described
The output end of linear voltage regulator is connect with first output end (3).
6. a kind of control panel electrification circuit according to claim 5, which is characterized in that
The voltage regulation unit (4) further includes zener diode；
The other end of both the RC series circuit (2) and the first resistor and the cathode of zener diode connect, pressure stabilizing two
The plus earth of pole pipe.
7. a kind of control panel electrification circuit according to claim 5 or 6, which is characterized in that
The voltage regulation unit (4) further includes the first voltage regulation capacitor and the second voltage regulation capacitor；
The other end of both the RC series circuit (2) and the first resistor and one end of first voltage regulation capacitor connect
It connects, the other end ground connection of first voltage regulation capacitor；
One end of second voltage regulation capacitor is connect with the output end, other end ground connection.
8. a kind of control panel electrification circuit according to claim 7, which is characterized in that
The quantity of first voltage regulation capacitor is two or more, and wherein at least one is electrolytic capacitor, and the yin of electrolytic capacitor
Extremely ground terminal.
9. according to claim 1 to a kind of control panel electrification circuit described in any one of 3,5,6,8, which is characterized in that also wrap
Include rectifier diode；
One end of both RC series circuits (2) and the cathode of rectifier diode connect, the anode of rectifier diode and first
Input terminal (1) connection, so that one end of both described RC series circuits (2) passes through the rectifier diode and first input
Hold (1) connection.
10. a kind of human body sensing lamps and lanterns, which is characterized in that including any in human body infrared induction module and claim 1 to 9
Control panel electrification circuit described in；
The power input of the control panel of the first output end (3) and the human body infrared induction module of the control panel electrification circuit
End connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821289960.4U CN208480004U (en) | 2018-08-11 | 2018-08-11 | A kind of control panel electrification circuit and the human body sensing lamps and lanterns using it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821289960.4U CN208480004U (en) | 2018-08-11 | 2018-08-11 | A kind of control panel electrification circuit and the human body sensing lamps and lanterns using it |
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| Publication Number | Publication Date |
|---|---|
| CN208480004U true CN208480004U (en) | 2019-02-05 |
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ID=65208586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821289960.4U Active CN208480004U (en) | 2018-08-11 | 2018-08-11 | A kind of control panel electrification circuit and the human body sensing lamps and lanterns using it |
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| CN (1) | CN208480004U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113568466A (en) * | 2021-09-26 | 2021-10-29 | 芯灵通(天津)科技有限公司 | High-voltage-resistant low dropout regulator (LDO) and power-on circuit thereof |
-
2018
- 2018-08-11 CN CN201821289960.4U patent/CN208480004U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113568466A (en) * | 2021-09-26 | 2021-10-29 | 芯灵通(天津)科技有限公司 | High-voltage-resistant low dropout regulator (LDO) and power-on circuit thereof |
| CN113568466B (en) * | 2021-09-26 | 2021-12-10 | 芯灵通(天津)科技有限公司 | Low dropout regulator LDO power-on circuit |
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