CN206114763U - Generator set controller quick -witted voltage sampling circuit that charges - Google Patents
Generator set controller quick -witted voltage sampling circuit that charges Download PDFInfo
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- CN206114763U CN206114763U CN201620997209.4U CN201620997209U CN206114763U CN 206114763 U CN206114763 U CN 206114763U CN 201620997209 U CN201620997209 U CN 201620997209U CN 206114763 U CN206114763 U CN 206114763U
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Abstract
The utility model provides a generator set controller quick -witted voltage sampling circuit that charges, it includes the singlechip and connects respectively the voltage sample input circuit and the voltage control input circuit of singlechip, wherein, voltage sample input circuit includes that the transient voltage restraines diode D1, resistance R1, resistance R2, resistance R3, electric capacity C1, electric capacity C2, electric capacity C3, voltage control input circuit includes diode D2, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, triode Q1, triode Q2 and triode Q3. This generator set controller quick -witted voltage sampling circuit that charges has that design science, practicality are strong, rational in infrastructure, low in production cost, advantage that collection effect is reliable.
Description
Technical field
The utility model is related to a kind of charger voltage collection circuit, specifically, relate to a kind of generator set control
Device charger voltage sampling circuit.
Background technology
With the fast development of science and technology, controller of diesel generator set is also more and more widely used.
The circuit of charger voltage output is controlled in generation current generator set controller, is the control come by the output of fuel oil relay, this
The mode of kind has no problem for high-rating generator group controller；But some small-sized generator set controllers do not have fuel oil to export
Function, certainly will cause charger voltage to gather and monitor.People need to develop a new circuit of design again to control
The output of generator set controller charger voltage.
In order to solve the problem with present on, people are seeking always a kind of preferable technical solution.
The content of the invention
The purpose of this utility model is for the deficiencies in the prior art, so as to provide a kind of design science, practical, knot
Structure is reasonable, low production cost, the reliable generator set controller charger voltage sampling circuit of collection effect.
To achieve these goals, the technical scheme that the utility model is adopted is：A kind of generator set controller charges
Machine voltage sampling circuit, it includes single-chip microcomputer and connects the voltage sample input circuit and voltage control of the single-chip microcomputer respectively
Input circuit, wherein, the voltage sample input circuit includes transient voltage suppressor D1, resistance R1, resistance R2, resistance
R3, electric capacity C1, electric capacity C2, electric capacity C3, described transient voltage suppressor D1 one end is used as voltage sample input, the wink
Time variant voltage suppresses diode D1 other ends ground connection, and described transient voltage suppressor D1 one end connects respectively the electric capacity C1's
One end of one end, one end of the resistance R1 and the resistance R2, the other end of the resistance R2 connects respectively the resistance R3
One end, one end of the electric capacity C2 and the electric capacity C3 one end, the other end of the electric capacity C1, the resistance R1 it is another
End, the other end of the resistance R3, the other end of the electric capacity C2, the other end of the electric capacity C3 are grounded respectively, the electric capacity
One end of C3 is used to connect the thief hatch of the single-chip microcomputer as sampled output；
The voltage control input circuit include diode D2, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8,
Resistance R9, triode Q1, triode Q2 and triode Q3, the negative electrode of the diode D2 is described as voltage controling input end
The anode of diode D2 is sequentially connected in series the resistance R4, the resistance R5 and the resistance R6, and the resistance R6 connects respectively institute
State the colelctor electrode of triode Q2 and the colelctor electrode of the triode Q3, the emitter stage connection power supply of the triode Q3, described three
The base stage of pole pipe Q3 connects the emitter stage of the emitter stage of the triode Q2, the base stage of the triode Q2 and the triode Q3
Between be provided with the resistance R7, the base stage of the triode Q2 connects the current collection of the triode Q1 by the resistance R8
Pole, the grounded emitter of the triode Q1, the base stage of the triode Q1 connects one end of the resistance R9, the resistance R9
The other end connect the control mouth of the single-chip microcomputer as voltage control output end.
Based on above-mentioned, the triode Q1 is NPN type triode, and the triode Q2 is PNP type triode, three pole
Pipe Q3 is PNP type triode.
The utility model hinge structure has substantive distinguishing features and progress, and specifically, the utility model passes through institute
State voltage sample input circuit and the voltage control input circuit is sampled to the voltage of charger, charger is determined with this
Whether voltage output is had；Efficiently solve monitoring of the generator set controller without the output of fuel oil relay with regard to charger；
It has design science, practical, rational in infrastructure, low production cost, the reliable advantage of collection effect.
Description of the drawings
Fig. 1 is electrical block diagram of the present utility model.
Specific embodiment
Below by specific embodiment, the technical solution of the utility model is described in further detail.
As shown in figure 1, a kind of generator set controller charger voltage sampling circuit, it includes single-chip microcomputer and connects respectively
Connect the voltage sample input circuit and voltage control input circuit of the single-chip microcomputer, the voltage sample input circuit and the electricity
Voltage-controlled input circuit processed is arranged on the voltage output end of charger, and for monitoring whether there is output voltage, the single-chip microcomputer can
To be the central processing unit of generator set controller, using two I/O ports of the single-chip microcomputer, the collection of voltage is carried out.
Specifically, the voltage sample input circuit includes transient voltage suppressor D1, resistance R1, resistance R2, electricity
Resistance R3, electric capacity C1, electric capacity C2, electric capacity C3, described transient voltage suppressor D1 one end is used as voltage sample input D+, institute
Transient voltage suppressor D1 other end ground connection is stated, described transient voltage suppressor D1 one end connects respectively the electric capacity
One end of one end of C1, one end of the resistance R1 and the resistance R2, the other end of the resistance R2 connects respectively the electricity
One end of one end, one end of the electric capacity C2 and the electric capacity C3 of resistance R3, the other end of the electric capacity C1, the resistance R1
The other end, the other end of the resistance R3, the other end of the electric capacity C2, the other end of the electric capacity C3 are grounded respectively, described
One end of electric capacity C3 is used to connect the thief hatch of the single-chip microcomputer as sampled output D+_IN.
The effect of wherein described transient voltage suppressor D1 is under the conditions of the applied in reverse of regulation, when bearing one
During the instantaneous overvoltage pulse of high-energy, its working impedance can immediately be down to very low conduction value, it is allowed to which high current passes through, and by electricity
Strangulation is pressed to predeterminated level, so as to effectively protect whole circuit to prevent the damage of single-chip microcomputer etc..
The effect of the resistance R1 is the generator set controller LCDs voltage in the case that charger is not accessed
A hurdle is shown, the voltage for having several volts shows, this few volt voltage for showing is lowered with the resistance of the resistance R1.Work as generating
The input terminal of generator set controller is connected after charger, in the case that charger has voltage, is filtered by the electric capacity C1,
After the situation of the resistance R2 step-downs, the resistance R3 partial pressures, the electric capacity C2 and the electricity appearance C3 filtering, input enters described
On one I/O mouth of single-chip microcomputer, then the I/O mouths of the single-chip microcomputer are judging the output of charger voltage in what situations.
The output of charger voltage simultaneously also depends on the voltage control input circuit to control to have in what situations simultaneously
The output of charger voltage.
Specifically, the voltage control input circuit include diode D2, resistance R4, resistance R5, resistance R6, resistance R7,
Resistance R8, resistance R9, triode Q1, triode Q2 and triode Q3, the negative electrode of the diode D2 is used as voltage control input
The anode of end D+, the diode D2 is sequentially connected in series the resistance R4, the resistance R5 and the resistance R6, and the resistance R6 divides
Do not connect the colelctor electrode of the triode Q2 and the colelctor electrode of the triode Q3, the emitter stage connection power supply of the triode Q3
The base stage of B+, the triode Q3 connects the emitter stage of the triode Q2, the base stage and the triode of the triode Q2
The resistance R7 is provided between the emitter stage of Q3, the base stage of the triode Q2 connects the triode by the resistance R8
The colelctor electrode of Q1, the grounded emitter of the triode Q1, the base stage of the triode Q1 connects one end of the resistance R9, institute
The other end for stating resistance R9 connects the control mouth of the single-chip microcomputer as voltage control output end D+_CTRL.
In order to ensure the normal work of triode, the triode Q1 is NPN type triode, and the triode Q2 is PNP
Type triode, the triode Q3 is PNP type triode.
In above-mentioned voltage control input circuit：The triode Q1's functions as switching tube, the resistance R4, described
Resistance R5 and the resistance R6 play a part of current limliting, and the diode D2 plays a protective role, and prevents charger electric voltage reverse-connection
Caused circuit is damaged.
It is when defeated that the voltage control input circuit judges charger voltage by an I/O mouth of the single-chip microcomputer
Go out.The I/O mouths of single-chip microcomputer need to carry the I/O mouths of the PWM functions of pulsewidth modulation to control in the present embodiment, wherein, pulsewidth is adjusted
System（PWM）It is a kind of technology that waveform duty cycle, cycle, phase waveform are controlled using program.
It is to utilize pulsewidth modulation in voltage control input circuit（PWM）Pulse square wave control, as the I/ of single-chip microcomputer
When O mouth D+_CTRL collect high level, the compound transistor of triode Q1, triode Q2 and triode Q3 compositions is used as switch
Pipe is turned on, at this moment when single-chip processor i/o mouth D+_IN receives signal, charger voltage output；The contrary I/O mouth D+_ for working as single-chip microcomputer
When CTRL collects low level, the compound transistor of triode Q1, triode Q2 and triode Q3 compositions is not led as switching tube
Logical, at this moment single-chip processor i/o mouth D+_IN does not receive signal, and charger voltage is not exported.
Whole generator set controller charger voltage sampling circuit coordinates generator set controller, can effectively detect
Whether there is voltage output to charger.
Finally it should be noted that:Above example is only to illustrate the technical solution of the utility model rather than it is limited
System；Although being described in detail to the utility model with reference to preferred embodiment, those of ordinary skill in the art should
Understand：Still specific embodiment of the present utility model can be modified or equivalent is carried out to some technical characteristics and be replaced
Change；Without deviating from the spirit of technical solutions of the utility model, it all should cover the technical scheme being claimed in the utility model
In the middle of scope.
Claims (2)
1. a kind of generator set controller charger voltage sampling circuit, it is characterised in that：It includes single-chip microcomputer and connects respectively
The voltage sample input circuit and voltage control input circuit of the single-chip microcomputer are connect, wherein, the voltage sample input circuit bag
Include transient voltage suppressor D1, resistance R1, resistance R2, resistance R3, electric capacity C1, electric capacity C2, electric capacity C3, the transient voltage
Suppress diode D1 one end as voltage sample input, the transient voltage suppressor D1 other end ground connection, the wink
Time variant voltage suppresses diode D1 one end to connect one end, one end of the resistance R1 and the resistance R2 of the electric capacity C1 respectively
One end, the other end of the resistance R2 connects respectively one end of the resistance R3, one end of the electric capacity C2 and the electric capacity C3
One end, the other end of the electric capacity C1, the other end of the resistance R1, the other end of the resistance R3, the electric capacity C2
The other end, the other end of the electric capacity C3 are grounded respectively, and one end of the electric capacity C3 is used to connect described as sampled output
The thief hatch of single-chip microcomputer；
The voltage control input circuit includes diode D2, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance
R9, triode Q1, triode Q2 and triode Q3, the negative electrode of the diode D2 as voltage controling input end, two pole
The anode of pipe D2 is sequentially connected in series the resistance R4, the resistance R5 and the resistance R6, and the resistance R6 connects respectively described three
The colelctor electrode of the colelctor electrode of pole pipe Q2 and the triode Q3, the emitter stage connection power supply of the triode Q3, the triode
The base stage of Q3 connects the emitter stage of the triode Q2, between the base stage of the triode Q2 and the emitter stage of the triode Q3
The resistance R7 is provided with, the base stage of the triode Q2 connects the colelctor electrode of the triode Q1, institute by the resistance R8
The grounded emitter of triode Q1 is stated, the base stage of the triode Q1 connects one end of the resistance R9, and the resistance R9's is another
One end connects the control mouth of the single-chip microcomputer as voltage control output end.
2. generator set controller charger voltage sampling circuit according to claim 1, it is characterised in that：Three pole
Pipe Q1 is NPN type triode, and the triode Q2 is PNP type triode, and the triode Q3 is PNP type triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620997209.4U CN206114763U (en) | 2016-08-31 | 2016-08-31 | Generator set controller quick -witted voltage sampling circuit that charges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620997209.4U CN206114763U (en) | 2016-08-31 | 2016-08-31 | Generator set controller quick -witted voltage sampling circuit that charges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206114763U true CN206114763U (en) | 2017-04-19 |
Family
ID=58515040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620997209.4U Active CN206114763U (en) | 2016-08-31 | 2016-08-31 | Generator set controller quick -witted voltage sampling circuit that charges |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206114763U (en) |
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2016
- 2016-08-31 CN CN201620997209.4U patent/CN206114763U/en active Active
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