CN211293679U - Low-loss driving circuit of alternating-current generator set controller based on reciprocating internal combustion engine driving - Google Patents
Low-loss driving circuit of alternating-current generator set controller based on reciprocating internal combustion engine driving Download PDFInfo
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- CN211293679U CN211293679U CN201922092027.9U CN201922092027U CN211293679U CN 211293679 U CN211293679 U CN 211293679U CN 201922092027 U CN201922092027 U CN 201922092027U CN 211293679 U CN211293679 U CN 211293679U
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Abstract
The utility model provides a low-loss driving circuit of an alternating current generator set controller based on reciprocating internal combustion engine driving, which comprises a switching regulator, a battery power supply control circuit and an output protection circuit; the switching regulator adopts a MAX5035DASA chip U1; the battery power supply control circuit comprises a battery power supply circuit and a control circuit; the battery power supply circuit is used for connecting a positive output end B1+ of a battery and a VIN pin of a chip U1; the control circuit is connected to an ON/OFF pin of the chip U1 and used for sending a control instruction to the chip U1, and the control circuit comprises a first control circuit, a second control circuit and a third control circuit; the output protection circuit is used as a 5V direct-current voltage output protection circuit of the chip U1. The utility model discloses circuit structure is simple, safe and reliable, low cost, and in the specially adapted small capacity power supply battery system, and fine interference killing feature had.
Description
Technical Field
The utility model is suitable for a gasoline generating set automated control among the abominable industrial environment, specific theory has related to a low-loss drive circuit based on reciprocating type internal-combustion engine driven alternator group controller.
Background
At present, the battery capacity of a gasoline generator set is generally small, and the power consumption of a generator set controller in a standby state is large, so that the service life of a battery can be shortened, and the normal work of the generator set controller is influenced.
Disclosure of Invention
The utility model aims at the not enough of prior art to provide a low-loss drive circuit based on reciprocating type internal-combustion engine driven alternator group controller.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is:
a low-loss driving circuit of an alternating current generator set controller based on reciprocating internal combustion engine driving comprises a switching regulator, a battery power supply control circuit and an output protection circuit; the switching regulator adopts a MAX5035DASA chip U1; the battery power supply control circuit comprises a battery power supply circuit and a control circuit;
the battery power supply circuit comprises a diode D1, a bidirectional TVS tube D2, a thermistor RT1, a capacitor C2 and a capacitor C3; one end of the thermistor RT1 is used as an electric energy input end and connected to a positive output end B + of a battery, and the other end of the thermistor RT1 is connected to a VIN pin of the chip U1 through the diode D1 as a battery power supply circuit output end B1 +; the bidirectional TVS tube D2 is connected between the positive output end B + of the battery and GND; the capacitor C2 and the capacitor C3 are connected in parallel and then connected between a VIN pin of the chip U1 and GND;
the control circuit is connected to an ON/OFF pin of the chip U1 and used for sending a control instruction to the chip U1;
the output protection circuit comprises a capacitor C1, a voltage regulator tube D3, an inductor L1, a resistor R1, a resistor R2, a capacitor C5, a capacitor C6 and a capacitor C7; the capacitor C1 is connected between a BST pin and an LX pin of the chip U1, the voltage regulator tube D3 is connected between the LX pin of the chip U1 and GND, and the LX pin of the chip U1 is connected with the inductor L1 and then serves as a positive output end of the driving circuit; the capacitor C5, the capacitor C6 and the capacitor C7 are connected in parallel and then connected between the positive output end of the driving circuit and GND; the positive output end of the driving circuit is connected with GND in series with the resistor R1 and the resistor R2 in sequence; the FB pin of the chip U1 is connected to the series connection point of the resistor R1 and the resistor R2.
Based on the above, the control circuit comprises a first control circuit, and the first control circuit comprises a transistor Q1, a transistor Q2, a resistor R5, a resistor R6, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a capacitor C9, a capacitor C11 and a capacitor C12;
the base electrode of the triode Q2 is used as the input end Power _ Control _ out of the first Control circuit through the resistor R10 and is used for being connected with a pulse signal I/O output port of a single chip microcomputer; the resistor R11 and the capacitor C12 are respectively connected between the base electrode and the emitter electrode of the triode Q2 in parallel, and the emitter electrode of the triode Q2 is grounded;
the collector of the triode Q2 is sequentially connected to the base of the triode Q1 through the resistor R9 and the resistor R8, the collector of the triode Q1 is connected to the output end B1+ of the battery power supply circuit, the resistor R5 and the capacitor C9 are respectively connected in parallel between the base and the collector of the triode Q1, and the base of the triode Q1 is also connected to GND through the capacitor C11; the emitter of the transistor Q1 is used as the output terminal of the first control circuit, and is connected to the ON/OFF pin of the chip U1 through the resistor R6.
Based on the above, the control circuit further comprises a second control circuit, wherein the second control circuit comprises a bidirectional TVS tube D5, a diode D4, a diode D6, a resistor R3, a resistor R7, a resistor R4 and a magnetic bead L2;
the cathode of the diode D4 is used as the input START of the second control circuit for connecting to an external terminal, and the anode of the diode D4 is connected to GND through the resistor R7 and the resistor R4 in sequence; the bidirectional TVS tube D5 is connected between the input end START and GND; one end of the resistor R3 is connected with the anode of the diode D4, and the other end is connected to +5V voltage;
the cathode of the diode D6 is connected to the input START, and the anode is connected to the series connection point of the resistor R8 and the resistor R9 through the magnetic bead L2.
Based on the above, the control circuit further comprises a third control circuit, and the third control circuit comprises a switch button S1, a transistor Q3, a transistor Q4, an inductor L3, a resistor R12, a resistor R13, a resistor R14, a resistor R15, and a resistor R16;
one end of the switch button S1 is connected to the base of the triode Q4 through the inductor L3 and the resistor R14 in sequence, the emitter of the triode Q4 is grounded, and the collector of the triode Q4 is connected with +3.3V voltage through the resistor R13; the resistor R15 is connected between the base electrode and the emitter electrode of the triode Q4;
the other end of the switch button S1 is connected with the base electrode of the triode Q3, the collector electrode of the triode Q3 is grounded through the resistor R16, and the emitter electrode of the triode Q3 is connected with the output end B1+ of the battery power supply circuit; the resistor R12 is connected between the emitter and the base of the triode Q3; the collector of the transistor Q3 is connected as the output terminal of the third control circuit to the ON/OFF pin of the chip U1 through the resistor R6.
The utility model discloses relative prior art has substantive characteristics and progress, specific theory, the utility model discloses the circuit provides three kinds of power chip's drive mode:
1. the single chip microcomputer provides pulse signals through an I/O output port, provides control signals for the whole drive circuit and then controls the power supply chip to work.
2. And the external terminal START provides a control signal, and then the power supply chip is controlled to work.
3. The switch button S1 is used for providing a control signal to control the power supply chip to work.
The utility model discloses circuit structure is simple, safe and reliable, low cost, and in the specially adapted small capacity power supply battery system, and fine interference killing feature had.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
Detailed Description
The technical solution of the present invention will be described in further detail through the following embodiments.
As shown in fig. 1, a low loss driving circuit of an alternator group controller based on reciprocating internal combustion engine driving comprises a switching regulator, a battery power supply control circuit and an output protection circuit; the switching regulator employs a MAX5035DASA chip U1.
The battery power supply control circuit comprises a battery power supply circuit and a control circuit.
The battery power supply circuit comprises a diode D1, a bidirectional TVS tube D2, a thermistor RT1, a capacitor C2 and a capacitor C3; one end of the thermistor RT1 is used as an electric energy input end and connected to a positive output end B + of a battery, and the other end of the thermistor RT1 is connected to a VIN pin of the chip U1 through the diode D1 as a battery power supply circuit output end B1 +; the bidirectional TVS tube D2 is connected between the positive output end B + of the battery and GND; the capacitor C2 and the capacitor C3 are connected in parallel and then connected between the VIN pin of the chip U1 and GND.
The output protection circuit comprises a capacitor C1, a voltage regulator tube D3, an inductor L1, a resistor R1, a resistor R2, a capacitor C5, a capacitor C6 and a capacitor C7; the capacitor C1 is connected between a BST pin and an LX pin of the chip U1, the voltage regulator tube D3 is connected between the LX pin of the chip U1 and GND, and the LX pin of the chip U1 is connected with the inductor L1 and then serves as a positive output end of the driving circuit; the capacitor C5, the capacitor C6 and the capacitor C7 are connected in parallel and then connected between the positive output end of the driving circuit and GND; the positive output end of the driving circuit is connected with GND in series with the resistor R1 and the resistor R2 in sequence; the FB pin of the chip U1 is connected to the series connection point of the resistor R1 and the resistor R2.
The control circuit is connected to an ON/OFF pin of the chip U1 and used for sending a control instruction to the chip U1; the control circuit includes a first control circuit, a second control circuit, and a third control circuit.
The first control circuit comprises a triode Q1, a triode Q2, a resistor R5, a resistor R6, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a capacitor C9, a capacitor C11 and a capacitor C12; the base electrode of the triode Q2 is used as the input end Power _ Control _ out of the first Control circuit through the resistor R10 and is used for being connected with a pulse signal I/O output port of a single chip microcomputer; the resistor R11 and the capacitor C12 are respectively connected between the base electrode and the emitter electrode of the triode Q2 in parallel, and the emitter electrode of the triode Q2 is grounded; the collector of the triode Q2 is sequentially connected to the base of the triode Q1 through the resistor R9 and the resistor R8, the collector of the triode Q1 is connected to the output end B1+ of the battery power supply circuit, the resistor R5 and the capacitor C9 are respectively connected in parallel between the base and the collector of the triode Q1, and the base of the triode Q1 is also connected to GND through the capacitor C11; the emitter of the transistor Q1 is used as the output terminal of the first control circuit, and is connected to the ON/OFF pin of the chip U1 through the resistor R6.
And the input end Power _ Control _ out of the first Control circuit is connected to an IO interface of the singlechip, and the singlechip provides a pulse signal. When an IO interface of the single chip microcomputer outputs a high-level signal, the triode Q2 is conducted, the base electrode of the triode Q1 is output in a low level mode at the moment, the triode Q1 is conducted, and the ON/OFF pin of the chip U1 is in a high level mode; the chip U1 starts to work and outputs 5V direct current voltage. On the contrary, when the IO interface of the single chip outputs a low level signal, the chip U1 does not work, and the generator set controller is in a low power consumption state.
The second control circuit comprises a bidirectional TVS tube D5, a diode D4, a diode D6, a resistor R3, a resistor R7, a resistor R4 and a magnetic bead L2; the cathode of the diode D4 is used as the input START of the second control circuit for connecting to an external terminal, and the anode of the diode D4 is connected to GND through the resistor R7 and the resistor R4 in sequence; the bidirectional TVS tube D5 is connected between the input end START and GND; one end of the resistor R3 is connected with the anode of the diode D4, and the other end is connected to +5V voltage; the cathode of the diode D6 is connected to the input START, and the anode is connected to the series connection point of the resistor R8 and the resistor R9 through the magnetic bead L2.
When the input end START is grounded, the base electrode of the triode Q1 is output at a low level, the triode Q1 is conducted, and the ON/OFF pin of the chip U1 is at a high level; the chip U1 starts to work and outputs 5V direct current voltage. Conversely, when the input START is empty, the chip U1 is not operating and the genset controller is in a low power state.
The third control circuit comprises a switch button S1, a transistor Q3, a transistor Q4, an inductor L3, a resistor R12, a resistor R13, a resistor R14, a resistor R15 and a resistor R16; one end of the switch button S1 is connected to the base of the triode Q4 through the inductor L3 and the resistor R14 in sequence, the emitter of the triode Q4 is grounded, and the collector of the triode Q4 is connected with +3.3V voltage through the resistor R13; the resistor R15 is connected between the base electrode and the emitter electrode of the triode Q4; the other end of the switch button S1 is connected with the base electrode of the triode Q3, the collector electrode of the triode Q3 is grounded through the resistor R16, and the emitter electrode of the triode Q3 is connected with the output end B1+ of the battery power supply circuit; the resistor R12 is connected between the emitter and the base of the triode Q3; the collector of the transistor Q3 is connected as the output terminal of the third control circuit to the ON/OFF pin of the chip U1 through the resistor R6.
When the switch button S1 is closed and effective, the base of the triode Q3 is output at a low level, the triode Q3 is conducted, and the ON/OFF pin of the power chip U1 is at a high level; the chip U1 starts to work and outputs 5V direct current voltage. On the contrary, when the switch button S1 is turned off and active, the chip U1 does not operate, and the generator set controller is in a low power consumption state.
In the driving circuit of the present invention, a chip U1, a bidirectional TVS tube D2, a diode D1, a voltage regulator tube D3, a thermistor RT1, a magnetic core with a shielding inductor L1, an electrolytic capacitor C3, a C6, a C7, a chip capacitor C1, a C2, a C4, a C5, a C8, a chip resistor R1, and a R2 form a one-level step-down DC-DC circuit, and the input DC12V/24V outputs DC 5V. The capacitor and the shielding inductor play a role in filtering, the resistor plays a role in voltage division, the TVS tube plays a role in protecting the circuit from lightning, and the diode plays a role in reverse connection prevention.
The driving circuit of the single chip microcomputer control chip U1 is composed of triodes Q1 and Q2, chip capacitors C9, C11 and C12, chip resistors R5, R6, R8, R9, R10 and R11. The capacitor has a filtering function, the resistor has a voltage division function, and the triode is switched on and off.
The driving circuit of the external terminal START control chip U1 is composed of a triode Q1, a bidirectional TVS tube D5, diodes D4 and D5, a magnetic bead L2, patch capacitors C9 and C11, patch resistors R3, R4, R5, R6, R7, R8 and R9. The capacitor has a filtering function, the resistor has a voltage division function, and the triode is switched on and off.
The triodes Q3 and Q4, the switch button S1, the chip resistors R6, R12, R13, R14, R15 and R16 form a driving circuit for controlling the chip U1 by the switch button S1. The capacitor has a filtering function, the resistor has a voltage division function, and the triode is switched on and off.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (4)
1. A low loss drive circuit for an alternator group controller based on reciprocating internal combustion engine drive, characterized by: the power supply circuit comprises a switching regulator, a battery power supply control circuit and an output protection circuit;
the switching regulator adopts a MAX5035DASA chip U1;
the battery power supply control circuit comprises a battery power supply circuit and a control circuit;
the battery power supply circuit comprises a diode D1, a bidirectional TVS tube D2, a thermistor RT1, a capacitor C2 and a capacitor C3; one end of the thermistor RT1 is used as an electric energy input end and connected to a positive output end B + of a battery, and the other end of the thermistor RT1 is connected to a VIN pin of the chip U1 through the diode D1 as a battery power supply circuit output end B1 +; the bidirectional TVS tube D2 is connected between the positive output end B + of the battery and GND; the capacitor C2 and the capacitor C3 are connected in parallel and then connected between a VIN pin of the chip U1 and GND;
the control circuit is connected to an ON/OFF pin of the chip U1 and used for sending a control instruction to the chip U1;
the output protection circuit comprises a capacitor C1, a voltage regulator tube D3, an inductor L1, a resistor R1, a resistor R2, a capacitor C5, a capacitor C6 and a capacitor C7; the capacitor C1 is connected between a BST pin and an LX pin of the chip U1, the voltage regulator tube D3 is connected between the LX pin of the chip U1 and GND, and the LX pin of the chip U1 is connected with the inductor L1 and then serves as a positive output end of the driving circuit; the capacitor C5, the capacitor C6 and the capacitor C7 are connected in parallel and then connected between the positive output end of the driving circuit and GND; the positive output end of the driving circuit is connected with GND in series with the resistor R1 and the resistor R2 in sequence; the FB pin of the chip U1 is connected to the series connection point of the resistor R1 and the resistor R2.
2. The reciprocating internal combustion engine driven alternator group controller based low loss drive circuit of claim 1 further comprising:
the control circuit comprises a first control circuit, wherein the first control circuit comprises a triode Q1, a triode Q2, a resistor R5, a resistor R6, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a capacitor C9, a capacitor C11 and a capacitor C12;
the base electrode of the triode Q2 is used as the input end Power _ Control _ out of the first Control circuit through the resistor R10 and is used for being connected with a pulse signal I/O output port of a single chip microcomputer; the resistor R11 and the capacitor C12 are respectively connected between the base electrode and the emitter electrode of the triode Q2 in parallel, and the emitter electrode of the triode Q2 is grounded;
the collector of the triode Q2 is sequentially connected to the base of the triode Q1 through the resistor R9 and the resistor R8, the collector of the triode Q1 is connected to the output end B1+ of the battery power supply circuit, the resistor R5 and the capacitor C9 are respectively connected in parallel between the base and the collector of the triode Q1, and the base of the triode Q1 is also connected to GND through the capacitor C11; the emitter of the transistor Q1 is used as the output terminal of the first control circuit, and is connected to the ON/OFF pin of the chip U1 through the resistor R6.
3. The reciprocating internal combustion engine driven alternator group controller based low loss drive circuit of claim 2 further comprising:
the control circuit further comprises a second control circuit, wherein the second control circuit comprises a bidirectional TVS tube D5, a diode D4, a diode D6, a resistor R3, a resistor R7, a resistor R4 and a magnetic bead L2;
the cathode of the diode D4 is used as the input START of the second control circuit for connecting to an external terminal, and the anode of the diode D4 is connected to GND through the resistor R7 and the resistor R4 in sequence; the bidirectional TVS tube D5 is connected between the input end START and GND; one end of the resistor R3 is connected with the anode of the diode D4, and the other end is connected to +5V voltage;
the cathode of the diode D6 is connected to the input START, and the anode is connected to the series connection point of the resistor R8 and the resistor R9 through the magnetic bead L2.
4. The reciprocating internal combustion engine driven alternator group controller based low loss drive circuit of claim 2 further comprising:
the control circuit further comprises a third control circuit, wherein the third control circuit comprises a switch button S1, a transistor Q3, a transistor Q4, an inductor L3, a resistor R12, a resistor R13, a resistor R14, a resistor R15 and a resistor R16;
one end of the switch button S1 is connected to the base of the triode Q4 through the inductor L3 and the resistor R14 in sequence, the emitter of the triode Q4 is grounded, and the collector of the triode Q4 is connected with +3.3V voltage through the resistor R13; the resistor R15 is connected between the base electrode and the emitter electrode of the triode Q4;
the other end of the switch button S1 is connected with the base electrode of the triode Q3, the collector electrode of the triode Q3 is grounded through the resistor R16, and the emitter electrode of the triode Q3 is connected with the output end B1+ of the battery power supply circuit; the resistor R12 is connected between the emitter and the base of the triode Q3; the collector of the transistor Q3 is connected as the output terminal of the third control circuit to the ON/OFF pin of the chip U1 through the resistor R6.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922092027.9U CN211293679U (en) | 2019-11-28 | 2019-11-28 | Low-loss driving circuit of alternating-current generator set controller based on reciprocating internal combustion engine driving |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922092027.9U CN211293679U (en) | 2019-11-28 | 2019-11-28 | Low-loss driving circuit of alternating-current generator set controller based on reciprocating internal combustion engine driving |
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| CN211293679U true CN211293679U (en) | 2020-08-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114162744A (en) * | 2021-11-05 | 2022-03-11 | 杭州恒宏机械有限公司 | Electric jack with current limiting protector |
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2019
- 2019-11-28 CN CN201922092027.9U patent/CN211293679U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114162744A (en) * | 2021-11-05 | 2022-03-11 | 杭州恒宏机械有限公司 | Electric jack with current limiting protector |
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