CN209435517U - High speed signal follows adjustment circuit automatically - Google Patents
High speed signal follows adjustment circuit automatically Download PDFInfo
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- CN209435517U CN209435517U CN201822252574.4U CN201822252574U CN209435517U CN 209435517 U CN209435517 U CN 209435517U CN 201822252574 U CN201822252574 U CN 201822252574U CN 209435517 U CN209435517 U CN 209435517U
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Abstract
The utility model discloses a kind of high speed signals to follow adjustment circuit automatically, include mainly comparison signal modulation circuit, follow modulation circuit, power circuit automatically, it is described that follow modulation circuit include signal comparator circuit, signal dynamics modulation circuit automatically, the output end of the comparison signal modulation circuit is connect with the input terminal of modulation circuit is followed automatically, and input terminal input 12V supply voltage, the output end of the power circuit follow modulation circuit to connect with comparison signal modulation circuit and automatically respectively.The utility model circuit structure is simple, can be realized following automatically for high speed signal, realizes that stabilization is mildly dimmed, avoids interfering power grid；It is reliable and stable using domestically leading microelectric technique, a comfortable soft light environment is provided for people's work and study, while avoiding the unnecessary waste of the energy；It is widely used in the place of the needs such as airport, station, market, hospital, school illumination.
Description
Technical field
The utility model relates to intelligent lighting controls fields, follow adjustment electricity automatically more particularly to a kind of high speed signal
Road.
Background technique
With the continuous development of society, more modern architectures and place need a large amount of lighting apparatus, a large amount of to shine
Demand of the bright equipment to the energy is huge, and in order to reduce the consumption to the energy in Lighting control field, technical staff is constantly mentioned
The new lighting apparatus of the intelligence and research and development of high lighting system, to reduce unnecessary energy consumption.Current most effective approach
One of be exactly according to environment adjust light brightness, provide comfortable lighting environment while consuming the less energy for user.
The design of light adjusting circuit currently on the market all exist the shortcomings that many disadvantages, most serious be exactly can generate it is very big
Harmonic wave and pulse can also to dim unstable or scintillation occur while influencing the stability of power grid.
Therefore it is urgent to provide a kind of novel light adjusting circuits to solve the above problems.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of high speed signals to follow adjustment circuit automatically, realizes high
Fast signal follows automatically, realizes that stabilization is mildly dimmed, avoids interfering power grid.
In order to solve the above technical problems, the technical solution that the utility model uses is: provide a kind of high speed signal from
It is dynamic to follow adjustment circuit, include mainly comparison signal modulation circuit, follow modulation circuit, power circuit automatically；
The output end of the comparison signal modulation circuit is connect with the input terminal of modulation circuit is followed automatically；
The power circuit input terminal input 12V supply voltage, output end respectively with comparison signal modulation circuit and from
It is dynamic that modulation circuit is followed to connect.
Further, the comparison signal modulation circuit includes resistance R3, R4, R7, R8, R10, capacitor C5, C7, three poles
Pipe Q1；
One end of the resistance R4 is in parallel with one end of resistance R8, the other end ground connection of resistance R8, the other end of resistance R4
It is connect with the base stage of triode Q1, collector connection resistance R3, the emitter of triode Q1 connects resistance R10, and resistance R3's is another
One end connects the output end VCC of power circuit, the other end ground connection of resistance R10, one end of resistance R7 and the current collection of triode Q1
Pole connection, the other end connect capacitor C7, and one end of capacitor C5 is connect with the collector of triode Q1, the other end and electricity of capacitor C5
Hold the other end earth of C7.
It is further, described that follow modulation circuit include signal comparator circuit, signal dynamics modulation circuit automatically；
The signal comparator circuit includes chip U2A, resistance R6；The 4th pin and comparison signal of the chip U2A is modulated
The output end connection of circuit, the 2nd pin are connect with one end of resistance R6, the other end of resistance R6 and the output end of power circuit
VCC connection；
The signal dynamics modulation circuit includes triode Q2, resistance R5, R9, R11, capacitor C6；The triode Q2's
Base stage is connect with the 2nd pin of chip U2A, collector and resistance R5 connection, emitter and outer signal end B-V-OUT1 connect
It connects, the other end of resistance R5 is connect with outer signals end A-V-OUT1, after one end of resistance R9 is in parallel with one end of capacitor C6
Connect with outer signals end A-V-OUT1, after one end of resistance R11 is in parallel with the other end of capacitor C6 with outer signal end B-
V-OUT1 connection is connect after the other end of resistance R11 is in parallel with the other end of resistance R9 with the 5th pin of chip U2A.
Further, the model LM339 of the chip U2A, the 3rd pin connect 12V supply voltage, the 12nd pin
Ground connection.
Further, the power circuit includes chip U9, capacitor C29-C32, resistance R61, R62, zener diode
D2, inductance L2；
One end of the capacitor C30 is connect with the 7th pin of chip U9, the other end is grounded, one end of resistance R61 and resistance
One end of R62 is connected in parallel the 4th pin of chip U9, and the other end ground connection of resistance R61, one end of inductance L2 connects chip U9
The 8th pin, output end VCC is connected after the other end of inductance L2 is in parallel with the other end of resistance R62, capacitor C29 is connected in parallel on core
Piece U9 the 1st, between 8 pins, the anode of zener diode D2 is connect with the 8th pin of chip U9, the other end is grounded, capacitor
One end is connect with output end VCC after C31, C32 are in parallel, the other end is grounded.
Further, the model LM22676 of the chip U9, the 7th pin are voltage input pin, and input voltage is
12V, the 6th, 9 pins be grounded jointly, the 8th pin be voltage output pin, output voltage be comparison signal modulation circuit, automatically with
It powers with modulation circuit, supply voltage 10V.
The beneficial effects of the utility model are:
(1) the utility model circuit structure is simple, can be realized high speed signal automatically follow, realize stablize mildly into
Row light modulation, avoids interfering power grid；
(2) the utility model includes compared with signal modulation circuit, follows modulation circuit, power circuit, the signal tune automatically
Circuit processed realizes the processing of high-frequency PWM modulated signal, forms the minimum overstable signal of ripple, enhances the stability of signal,
Automatically it follows modulation circuit that can realize the automatic sensing and modulation treatment of external signal, forms stable output signal, effectively keep away
Exempt from the generation of larger harmonic wave and pulse signal；
(3) the utility model, which is fitted, uses domestically leading microelectric technique, reliable and stable, provides one for people's work and study
Comfortable soft light environment, while avoiding the unnecessary waste of the energy；Be widely used in airport, station, market, hospital,
The place of the needs such as school illumination.
Detailed description of the invention
Fig. 1 is the structural block diagram that the utility model high speed signal follows adjustment circuit automatically；
Fig. 2 is the circuit diagram of the comparison signal modulation circuit；
Fig. 3 is the circuit diagram for following modulation circuit automatically；
Fig. 4 is the circuit diagram of the power circuit.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear
Define.
Referring to Fig. 1, the utility model embodiment includes:
A kind of high speed signal follows adjustment circuit automatically, mainly includes comparison signal modulation circuit, follows modulation electricity automatically
Road, power circuit.The output end of the comparison signal modulation circuit is connect with the input terminal of modulation circuit is followed automatically, the electricity
Input terminal input 12V supply voltage, the output end of source circuit follow modulation circuit with comparison signal modulation circuit and automatically respectively
Connection.
The circuit structure and circuit theory of each circuit are specifically described separately below:
In conjunction with Fig. 2, the comparison signal modulation circuit includes resistance R3, R4, R7, R8, R10, capacitor C5, C7, triode
Q1.One end of the resistance R4 is in parallel with one end of resistance R8, forms modulation (PWM) signal receiving end, another termination of resistance R8
The other end on ground, resistance R4 is connect with the base stage of triode Q1, collector connection resistance R3, the emitter connection electricity of triode Q1
Hinder R10, the output end VCC of the other end connection power circuit of resistance R3, the other end ground connection of resistance R10, one end of resistance R7
It being connect with the collector of triode Q1, other end connection capacitor C7, one end of capacitor C5 is connect with the collector of triode Q1,
The other end of capacitor C5 and the other end earth of capacitor C7.
When the circuit works, the PWM modulation signal that frequency is up to 1M hertz passes through protective resistance R4 and bypass resistance R8,
Form the stabilized driving circuit of NPN triode Q1.The 10V supply voltage at the end VCC is realized through current-limiting resistance R3 connecting triode Q1
To the signal modulation at the end VCC.Resistance R8 and R10 together form the signal control circuit of triode Q1 emitter.Resistance R7 and
Capacitor C7 together constitutes classical RC filter circuit.Modulated signal is made by the collector of triode Q1 through RC filter circuit
With rear, the minimum overstable signal of ripple formed, then be connected to ground terminal GND through bulky capacitor C5, further enhance the steady of signal
Svef_OUT signal is exported after qualitative.
In conjunction with Fig. 3, described to follow modulation circuit include signal comparator circuit, signal dynamics modulation circuit automatically.
The signal comparator circuit includes chip U2A, resistance R6.Preferably, the model LM339 of the chip U2A,
Its 3rd pin connects 12V supply voltage, the 12nd pin ground connection, the working power as chip.4th, 5 pins are one in chip
Two input terminals of group comparator.The 4th pin of the chip U2A connect with the output end of comparison signal modulation circuit, the 2nd pin
It is connect with one end of resistance R6, the output end VCC connection of the other end and power circuit of resistance R6.
Exporting the signal dynamics modulation circuit includes triode Q2, resistance R5, R9, R11, capacitor C6.The triode
The base stage of Q2 connect with the 2nd pin of chip U2A, collector and resistance R5 connection, emitter and outer signal end B-V-
The other end of OUT1 connection, resistance R5 is connect with outer signals end A-V-OUT1, one end of resistance R9 and one end of capacitor C6
Connect after parallel connection with outer signals end A-V-OUT1, after one end of resistance R11 is in parallel with the other end of capacitor C6 with external letter
Number end B-V-OUT1 connection, after the other end of resistance R11 is in parallel with the other end of resistance R9 with the 5th pin of chip U2A company
It connects.
When the circuit works, input of the Svef_OUT signal of comparison signal modulation circuit output as signal comparator circuit
Signal Svef_In is inputted by the 4th pin of chip U2A.Resistance R9 and resistance R11 is by series connection partial pressure far to the external world
The range of signal of signal end A-V-OUT1 and B-V-OUT1 access is made adjustment, and signal adjusted is input to chip U2A
The 5th pin.Triode Q2 base stage is delivered to by the 2nd pin of chip by comparator treated signal, is pulled up simultaneously
Resistance R6 keeps the high level of signal, and triode Q2, which is realized, carries out dynamic signal modulation to external access signal.Resistance R5 is real
Now to the current limliting of extraneous signal, triode Q2 is protected.Capacitor C6 realizes the filtering to the external signal modulated, is formed
Stable output signal.
In conjunction with Fig. 4, the power circuit include chip U9, capacitor C29-C32, resistance R61, R62, zener diode D2,
Inductance L2.It preferentially selects, the model LM22676 of the chip U9, the 7th pin is voltage input pin, and input voltage is
12V, the 6th, 9 pins be grounded jointly, the 8th pin be voltage output pin, output voltage be comparison signal modulation circuit, automatically with
It powers with modulation circuit, supply voltage 10V.
One end of the capacitor C30 is connect with the 7th pin of chip U9, the other end is grounded, one end of resistance R61 and resistance
One end of R62 is connected in parallel the 4th pin of chip U9, and the other end ground connection of resistance R61, one end of inductance L2 connects chip U9
The 8th pin, output end VCC is connected after the other end of inductance L2 is in parallel with the other end of resistance R62, capacitor C29 is connected in parallel on core
Piece U9 the 1st, between 8 pins, the anode of zener diode D2 is connect with the 8th pin of chip U9, the other end is grounded, capacitor
One end is connect with output end VCC after C31, C32 are in parallel, the other end is grounded.
The circuit provides reliable and stable power supply for entire adjustment circuit and supports.12V power supply passes through capacitor as input
Enter the 7th pin of chip U9 after C30 filtering, the cathode of capacitor C30 connects GND.In order to realize the normal work of chip U9,
The 6th pin of chip U9 and the 9th pin connect GND jointly.The 4th pin of U9 is feedback reception end, passes through resistance R61 and R62
Realize the feedback and adjusting to output electric industry.The 1st pin of U9 is function selection end, passes through capacitor C29 and zener diode D2
Realize the starting work of chip.The 8th pin of chip U9 is output pin, and output pin connects inductance L2, capacitor C31, C32 group
At filter unit, output voltage exports a reliable and stable supply voltage after filter unit is handled.
The utility model includes compared with signal modulation circuit, follows modulation circuit, power circuit, the signal modulation electricity automatically
The processing of high-frequency PWM modulated signal is realized on road, is formed the minimum overstable signal of ripple, is enhanced the stability of signal, automatically
Follow modulation circuit that can realize the automatic sensing and modulation treatment of external signal, form stable output signal, effectively avoid compared with
The generation of big harmonic wave and pulse signal；Circuit structure is simple, can be realized following automatically for high speed signal, realizes and stablize mildly
It is dimmed, avoids interfering power grid；It is reliable and stable using domestically leading microelectric technique, it is mentioned for people's work and study
For a comfortable soft light environment, while avoiding the unnecessary waste of the energy；Be widely used in airport, station, market,
The place of the needs such as hospital, school illumination.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (6)
1. a kind of high speed signal follows adjustment circuit automatically, which is characterized in that mainly include comparison signal modulation circuit, automatically with
With modulation circuit, power circuit；
The output end of the comparison signal modulation circuit is connect with the input terminal of modulation circuit is followed automatically；
The input terminal input 12V supply voltage of the power circuit, output end respectively with comparison signal modulation circuit and automatically with
It is connected with modulation circuit.
2. high speed signal according to claim 1 follows adjustment circuit automatically, which is characterized in that the comparison signal modulation
Circuit includes resistance R3, R4, R7, R8, R10, capacitor C5, C7, triode Q1；
One end of the resistance R4 is in parallel with one end of resistance R8, the other end ground connection of resistance R8, the other end of resistance R4 and three
The base stage of pole pipe Q1 connects, and collector connection resistance R3, the emitter of triode Q1 connects resistance R10, the other end of resistance R3
The output end VCC of power circuit, the other end ground connection of resistance R10 are connected, one end of resistance R7 and the collector of triode Q1 connect
It connects, other end connection capacitor C7, one end of capacitor C5 is connect with the collector of triode Q1, the other end and capacitor C7 of capacitor C5
Other end earth.
3. high speed signal according to claim 1 follows adjustment circuit automatically, which is characterized in that described to follow modulation automatically
Circuit includes signal comparator circuit, signal dynamics modulation circuit；
The signal comparator circuit includes chip U2A, resistance R6；The 4th pin and comparison signal modulation circuit of the chip U2A
Output end connection, the 2nd pin connect with one end of resistance R6, the output end VCC company of the other end of resistance R6 and power circuit
It connects；
The signal dynamics modulation circuit includes triode Q2, resistance R5, R9, R11, capacitor C6；The base stage of the triode Q2
It is connect with the 2nd pin of chip U2A, collector and resistance R5 connection, emitter and outer signal end B-V-OUT1 connection, electricity
Resistance R5 the other end connect with outer signals end A-V-OUT1, after one end of resistance R9 is in parallel with one end of capacitor C6 with the external world
Signal end A-V-OUT1 connection, after one end of resistance R11 is in parallel with the other end of capacitor C6 with outer signal end B-V-
OUT1 connection is connect after the other end of resistance R11 is in parallel with the other end of resistance R9 with the 5th pin of chip U2A.
4. high speed signal according to claim 3 follows adjustment circuit automatically, which is characterized in that the type of the chip U2A
Number be LM339, the 3rd pin connect 12V supply voltage, the 12nd pin ground connection.
5. high speed signal according to claim 1 follows adjustment circuit automatically, which is characterized in that the power circuit includes
Chip U9, capacitor C29-C32, resistance R61, R62, zener diode D2, inductance L2；
One end of the capacitor C30 is connect with the 7th pin of chip U9, the other end is grounded, one end of resistance R61 and resistance R62
One end be connected in parallel the 4th pin of chip U9, the other end ground connection of resistance R61, the of one end connection chip U9 of inductance L2
8 pins, connect output end VCC after the other end of inductance L2 is in parallel with the other end of resistance R62, capacitor C29 is connected in parallel on chip U9
The 1st, between 8 pins, the anode of zener diode D2 is connect with the 8th pin of chip U9, the other end is grounded, capacitor C31,
One end is connect with output end VCC after C32 is in parallel, the other end is grounded.
6. high speed signal according to claim 5 follows adjustment circuit automatically, which is characterized in that the model of the chip U9
For LM22676, the 7th pin is voltage input pin, input voltage 12V, the 6th, 9 pins be grounded jointly, the 8th pin is voltage
Output pin, output voltage are comparison signal modulation circuit, follow modulation circuit to power automatically, supply voltage 10V.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822252574.4U CN209435517U (en) | 2018-12-29 | 2018-12-29 | High speed signal follows adjustment circuit automatically |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822252574.4U CN209435517U (en) | 2018-12-29 | 2018-12-29 | High speed signal follows adjustment circuit automatically |
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| CN209435517U true CN209435517U (en) | 2019-09-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111907331A (en) * | 2020-07-23 | 2020-11-10 | 上海英恒电子有限公司 | Thermal runaway early warning system and method for battery pack of electric vehicle |
-
2018
- 2018-12-29 CN CN201822252574.4U patent/CN209435517U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111907331A (en) * | 2020-07-23 | 2020-11-10 | 上海英恒电子有限公司 | Thermal runaway early warning system and method for battery pack of electric vehicle |
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