CN204928096U - On -vehicle dc -to -ac converter of intelligence - Google Patents
On -vehicle dc -to -ac converter of intelligence Download PDFInfo
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- CN204928096U CN204928096U CN201520351940.5U CN201520351940U CN204928096U CN 204928096 U CN204928096 U CN 204928096U CN 201520351940 U CN201520351940 U CN 201520351940U CN 204928096 U CN204928096 U CN 204928096U
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Abstract
The utility model relates to an on -vehicle dc -to -ac converter of intelligence, including DC -DC boost circuit and full -bridge circuit, vary voltage circuit, MCU circuit module, full bridge driving circuit and current sampling circuit, the vary voltage circuit is used for converting a voltage signal and the 2nd voltage signal into according to the direct current voltage signal of battery to send a voltage signal to MCU circuit module, send the 2nd voltage signal to full -bridge circuit and full bridge driving circuit, so that MCU circuit module, full -bridge circuit and full bridge driving circuit work, the current sampling circuit for corresponding current signal to the MCU circuit module of alternating voltage signal output according to the output of full -bridge circuit, MCU circuit module for current signal according to the output of current sampling circuit passes through the operating condition that full bridge driving circuit controlled the full -bridge circuit. The utility model discloses it is efficient, with low costs to intelligent protect function has.
Description
Technical field
The utility model relates to a kind of power supply changeover device, particularly relates to a kind of intelligent vehicle-carried inverter that direct current can be converted to alternating current.
Background technology
Along with the raising of economic level, automobile becomes the main traffic instrument in people's daily life just gradually, vehicle-mounted inverter is as standing Automobile Products, it is a kind of power supply changeover device used in moving process, it utilizes the storage battery of vehicle body as power supply, direct current can be converted to the AC220V alternating current identical with civil power, when being convenient for people to the work of going out or tourism, use the needs of some electrical equipment.
Present inverter on the market has miscellaneous, be do not have an Industrial Frequency Transformer, voltage first raises by it, then carries out inversion, but this way is not isolated due to input and output, it is unfavorable to cause the safety of the insulation of whole system, system earth and staff; One directly carries out inversion output, higher series voltage must be had compared with the first inverter, so require that inverter power is relatively large, easily introduce DC component, therefore to increase the detection of output DC component in case DC component injects electrical network, so substantially increase cost; One is the isolation of band high frequency transformer, carry out rectification process after first inversion boosting, another mistake becomes the inverter exported, and its shortcoming is also export to add DC component detection, control DC component to avoid injecting electrical network, owing to affecting the use that can only be used for small-sized inverter by high frequency transformer magnetic core etc.; A kind of inverter is also had to be adopt first inversion to boost again, the mode of last isolation and amplifier, due to inversion under relatively low direct voltage, switching loss and on-state loss higher, in addition the loss of Industrial Frequency Transformer makes inverter whole efficiency lower, is the highlyest only about 96%.Several inverter all has different defects above, can better not provide service for user.
Utility model content
For above-mentioned technical problem, the utility model provides a kind of intelligent vehicle-carried inverter, and its efficiency is high, cost is low, and has intelligent protection function.
For achieving the above object, the utility model adopts following technical scheme:
A kind of intelligent vehicle-carried inverter, comprises DC-DC booster circuit, full-bridge circuit, transforming circuit, MCU circuit module, full bridge driving circuit and current sampling circuit; Described DC-DC booster circuit, full bridge driving circuit, transforming circuit are all connected with full-bridge circuit with current sampling circuit, described transforming circuit, current sampling circuit and full bridge driving circuit are all connected with MCU circuit module, and described transforming circuit is also connected with full bridge driving circuit; Described DC-DC booster circuit, for being sent to full-bridge circuit by from after the d. c. voltage signal boosting of storage battery; Described full-bridge circuit, for exporting corresponding ac voltage signal to electrical appliance according to the d. c. voltage signal after DC-DC booster circuit boosting; Described transforming circuit is used for being converted to the first voltage signal and the second voltage signal according to the d. c. voltage signal of storage battery, and the first voltage signal is sent to MCU circuit module, second voltage signal is sent to full-bridge circuit and full bridge driving circuit, to make MCU circuit module, full-bridge circuit and full bridge driving circuit work; Described current sampling circuit, the ac voltage signal for exporting according to full-bridge circuit exports corresponding current signal to MCU circuit module; Described MCU circuit module, controls the operating state of full-bridge circuit by full bridge driving circuit for the current signal that exports according to current sampling circuit.
Preferably, described intelligent vehicle-carried inverter also comprises temperature-sensitive module, described transforming circuit, for the first voltage signal being sent to temperature-sensitive module to make temperature-sensitive module work; Described temperature-sensitive module, for being sent to MCU circuit module by the temperature signal detected; Described MCU circuit module, for controlling according to temperature signal the operating state that full bridge driving circuit drives full-bridge circuit.
Preferably, described full-bridge circuit comprises the first half-bridge circuit and the second half-bridge circuit;
Described first half-bridge circuit comprises diode D1, diode D2, diode D3, field effect transistor Q1, field effect transistor Q2, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5 and electric capacity C1; One end of described resistance R1, one end of resistance R2 are all connected with the negative pole of diode D1 with one end of electric capacity C1, one end of the other end contact resistance R3 of described resistance R1, the other end of resistance R2, the other end of electric capacity C1, the source electrode of field effect transistor Q1 are all connected with the positive pole of diode D2 with the drain electrode of field effect transistor Q2, and the negative pole of diode D2 is all connected with the grid of field effect transistor Q1 with the other end of resistance R3; One end of the source electrode contact resistance R4 of described field effect transistor Q2, the other end ground connection of resistance R4; The grid of described field effect transistor Q2 is all connected with one end of resistance R5 with the positive pole of diode D3;
Described second half-bridge circuit comprises diode D4, diode D5, diode D6, field effect transistor Q3, field effect transistor Q4, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10 and electric capacity C2; One end of described resistance R6, one end of resistance R7 are all connected with the negative pole of diode D2 with one end of electric capacity C2, one end of the other end contact resistance R8 of described resistance R6, the other end of resistance R7, the other end of electric capacity C2, the source electrode of field effect transistor Q3 are all connected with the positive pole of diode D5 with the drain electrode of field effect transistor Q4, and the negative pole of diode D5 is all connected with the grid of field effect transistor Q3 with the other end of resistance R8; The source electrode of described field effect transistor Q4 is all connected with one end of resistance R9 with one end of resistance R4, and the other end of resistance R9 connects current sampling circuit; The grid of described field effect transistor Q4 is all connected with one end of resistance R10 with the positive pole of diode D6;
The positive pole of described diode D1 is all connected with transforming circuit with the positive pole of diode D4; The drain electrode of described field effect transistor Q1 is all connected with DC-DC booster circuit with the drain electrode of field effect transistor Q3; The other end of the other end of described resistance R1, the other end of resistance R5, resistance R6, the other end of resistance R10, the negative pole of diode D3 are all connected with full bridge driving circuit with the negative pole of diode D6; The drain electrode of described field effect transistor Q2 is all connected with electrical appliance with the drain electrode of field effect transistor Q4.
Preferred further, described full bridge driving circuit comprises the first drive circuit and the second drive circuit;
Described first drive circuit comprises resistance R11, resistance R12, resistance R13, resistance R14, resistance R15, triode Q11 and triode Q12; One end of described resistance R11 is all connected with the base stage of triode Q11 with one end of resistance R12, the other end of resistance R12 and the equal ground connection of emitter of triode Q11; The collector electrode of triode Q11 is all connected with one end of resistance R14 with one end of resistance R13, and the other end of resistance R14 is all connected with the base stage of triode Q12 with one end of resistance R15, the equal ground connection of emitter of resistance R15 and triode Q12; The other end of the collector electrode contact resistance R1 of triode Q12; The other end of resistance R5 is also all connected with one end of resistance R14 with the negative pole of diode D3;
Described second drive circuit comprises resistance R16, resistance R17, resistance R18, resistance R19, resistance R20, triode Q13 and triode Q14; One end of described resistance R16 is all connected with the base stage of triode Q13 with one end of resistance R17, the other end of resistance R17 and the equal ground connection of emitter of triode Q13; The collector electrode of triode Q13 is all connected with one end of resistance R19 with one end of resistance R18, and the other end of resistance R19 is all connected with the base stage of triode Q14 with one end of resistance R20, the equal ground connection of emitter of resistance R20 and triode Q14; The other end of the collector electrode contact resistance R6 of triode Q14; The other end of resistance R10 is also all connected with one end of resistance R19 with the negative pole of diode D6;
One end of described resistance R11 is all connected with MCU circuit module with one end of resistance R16; The other end of described resistance R13 is all connected with transforming circuit with the other end of resistance R18.
Preferably, described electrical appliance is bulb.
Preferably, the first voltage signal is 5V.
Preferably, the second voltage signal is 12V.
Compared to existing technology, the beneficial effects of the utility model are:
The utility model is sampled by the electric current exported full-bridge circuit, controls the opening and closing of full-bridge circuit, play the effect of overcurrent protection according to the current signal of sampling; And realize the correction to output current wave according to full bridge driving circuit and full-bridge circuit common combination, make efficiency higher; The intelligent protection to inverter circuit is realized by temperature-sensitive module.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of a kind of intelligent vehicle-carried inverter of the present utility model;
Fig. 2 is the circuit structure diagram of full-bridge circuit of the present utility model and full bridge driving circuit;
Fig. 3 is the module map of MCU circuit module of the present utility model, current sampling circuit, temperature-sensitive module;
Wherein, 1, storage battery; 2, DC-DC booster circuit; 3, full-bridge circuit; 4, electrical appliance; 5, transforming circuit; 6, MCU circuit module; 7, full bridge driving circuit; 8, current sampling circuit; 9, temperature-sensitive module.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the utility model is described further:
See Fig. 1, the intelligent vehicle-carried inverter of the one that the present embodiment provides, comprises DC-DC booster circuit 2 and full-bridge circuit 3; DC-DC booster circuit 2, for being sent to full-bridge circuit 3 by from after the d. c. voltage signal boosting of storage battery 1; Full-bridge circuit 3, exports corresponding ac voltage signal to electrical appliance 4 for the d. c. voltage signal after boosting according to DC-DC booster circuit 2; Also comprise transforming circuit 5, MCU circuit module 6, full bridge driving circuit 7 and current sampling circuit 8; DC-DC booster circuit 2, full bridge driving circuit 7, transforming circuit 5 are all connected with full-bridge circuit 3 with current sampling circuit 8, transforming circuit 5, current sampling circuit 8 are all connected with MCU circuit module 6 with full bridge driving circuit 7, and transforming circuit 5 is also connected with full bridge driving circuit 7.Transforming circuit 5 is for being converted to the first voltage signal and the second voltage signal according to the d. c. voltage signal of storage battery 1, and the first voltage signal is sent to MCU circuit module 6, second voltage signal is sent to full-bridge circuit 3 and full bridge driving circuit 7, works to make MCU circuit module 6, full-bridge circuit 3 and full bridge driving circuit 7; Current sampling circuit 8, the ac voltage signal for exporting according to full-bridge circuit 3 exports corresponding current signal to MCU circuit module 6; MCU circuit module 6, controls the operating state of full-bridge circuit 3 by full bridge driving circuit 7 for the current signal that exports according to current sampling circuit 8, specifically control the opening and closing of full-bridge circuit 3 or the output waveform of full-bridge circuit 3.
DC-DC booster circuit 2 is existing booster circuit, it connects the storage battery 1 in automobile, and the supply voltage that this storage battery 1 exports is less, and voltage utilization is low, can not be satisfied with the use of electrical appliance 4, DC-DC booster circuit 2 is that the voltage signal for being exported by this storage battery 1 becomes large rear stable output; Full-bridge circuit 3 realizes invert function, and direct current is converted to alternating current; The full-bridge circuit 3 of the present embodiment and full bridge driving circuit 7 be composition electric current correction circuit jointly; be specially; current sampling circuit 8 samples the current signal of the output of full-bridge circuit 3 in real time; this current signal is sent to MCU circuit module 6; when judging that the output current of full-bridge circuit 3 is excessive according to this current signal; MCU circuit module 6 is by controlling full bridge driving circuit 7 conducting, thus control full-bridge circuit 3 disconnects not in output, realizes overcurrent intelligent protection.The power supply voltage signal size that transforming circuit 5 changes from storage battery 1 carries out exporting suitable voltage signal to MCU circuit module 6, full bridge driving circuit 7, full-bridge circuit 3, and wherein, the first above-mentioned voltage signal is 5V, and the second voltage signal is 12V.
Concrete, see Fig. 2 and Fig. 3, full-bridge circuit 3 comprises the first half-bridge circuit and the second half-bridge circuit, wherein, the first half-bridge circuit comprises diode D1, diode D2, diode D3, field effect transistor Q1, field effect transistor Q2, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5 and electric capacity C1; One end of resistance R1, one end of resistance R2 are all connected with the negative pole of diode D1 with one end of electric capacity C1, one end of the other end contact resistance R3 of resistance R1, the other end of resistance R2, the other end of electric capacity C1, the source electrode of field effect transistor Q1 are all connected with the positive pole of diode D2 with the drain electrode of field effect transistor Q2, and the negative pole of diode D2 is all connected with the grid of field effect transistor Q1 with the other end of resistance R3; One end of the source electrode contact resistance R4 of field effect transistor Q2, the other end ground connection of resistance R4; The grid of field effect transistor Q2 is all connected with one end of resistance R5 with the positive pole of diode D3; Second half-bridge circuit comprises diode D4, diode D5, diode D6, field effect transistor Q3, field effect transistor Q4, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10 and electric capacity C2; One end of resistance R6, one end of resistance R7 are all connected with the negative pole of diode D2 with one end of electric capacity C2, one end of the other end contact resistance R8 of resistance R6, the other end of resistance R7, the other end of electric capacity C2, the source electrode of field effect transistor Q3 are all connected with the positive pole of diode D5 with the drain electrode of field effect transistor Q4, and the negative pole of diode D5 is all connected with the grid of field effect transistor Q3 with the other end of resistance R8; The source electrode of field effect transistor Q4 is all connected with one end of resistance R9 with one end of resistance R4, and the other end of resistance R9 connects current sampling circuit; The grid of field effect transistor Q4 is all connected with one end of resistance R10 with the positive pole of diode D6; The positive pole of diode D1 is all connected with transforming circuit 5 with the positive pole of diode D4; The drain electrode of field effect transistor Q1 is all connected with DC-DC booster circuit 2 with the drain electrode of field effect transistor Q3; The other end of the other end of resistance R1, the other end of resistance R5, resistance R6, the other end of resistance R10, the negative pole of diode D3 are all connected with full bridge driving circuit 7 with the negative pole of diode D6; The drain electrode of field effect transistor Q2 is all connected with electrical appliance 4 with the drain electrode of field effect transistor Q4.
Full bridge driving circuit 7 comprises the first drive circuit and the second drive circuit, and wherein, the first drive circuit comprises resistance R11, resistance R12, resistance R13, resistance R14, resistance R15, triode Q11 and triode Q12; One end of resistance R11 is all connected with the base stage of triode Q11 with one end of resistance R12, the other end of resistance R12 and the equal ground connection of emitter of triode Q11; The collector electrode of triode Q11 is all connected with one end of resistance R14 with one end of resistance R13, and the other end of resistance R14 is all connected with the base stage of triode Q12 with one end of resistance R15, the equal ground connection of emitter of resistance R15 and triode Q12; The other end of the collector electrode contact resistance R1 of triode Q12; The other end of resistance R5 is also all connected with one end of resistance R14 with the negative pole of diode D3; Second drive circuit comprises resistance R16, resistance R17, resistance R18, resistance R19, resistance R20, triode Q13 and triode Q14; One end of resistance R16 is all connected with the base stage of triode Q13 with one end of resistance R17, the other end of resistance R17 and the equal ground connection of emitter of triode Q13; The collector electrode of triode Q13 is all connected with one end of resistance R19 with one end of resistance R18, and the other end of resistance R19 is all connected with the base stage of triode Q14 with one end of resistance R20, the equal ground connection of emitter of resistance R20 and triode Q14; The other end of the collector electrode contact resistance R6 of triode Q14; The other end of resistance R10 is also all connected with one end of resistance R19 with the negative pole of diode D6; One end of resistance R11 is all connected with MCU circuit module 6 with one end of resistance R16; The other end of resistance R13 is all connected with transforming circuit 5 with the other end of resistance R18.
Its operation principle is: when the current signal that current sampling circuit is taked is excessive, MCU circuit module exports high level signal full bridge driving circuit, make triode Q11 and triode Q13 conducting, thus make triode Q12 and triode Q14 conducting ground connection, full bridge driving circuit is finally connected to the grid of full-bridge circuit field effect transistor Q1 and the grid of field effect transistor Q3, thus cause field effect transistor Q1 and field effect transistor Q3 cut-off, cannot electrical appliance be exported to, achieve the control to full-bridge circuit open and-shut mode by full bridge driving circuit.And when the current signal that current sampling circuit is taked is normal range (NR), because current signal is sinusoidal waveform, thus MCU control circuit controls the first drive circuit conducting, second drive circuit cut-off or the second drive circuit conducting of full bridge driving circuit, first drive circuit cut-off, thus corresponding the first half-bridge circuit cut-off or the cut-off of the second half-bridge circuit controlling full-bridge circuit, first half-bridge circuit and the second half-bridge circuit all export electrical appliance to, can realize revising to the output waveform of full-bridge circuit, make its efficiency higher.
On the other hand, intelligent vehicle-carried inverter also comprises temperature-sensitive module 9, and transforming circuit 5 is connected with MCU circuit module 6 by temperature-sensitive module 9.Transforming circuit 5, is sent to temperature-sensitive module 9 for the first voltage signal and works to make temperature-sensitive module 9; Temperature-sensitive module 9, for being sent to MCU circuit module 6 by the temperature signal detected; MCU circuit module 6, for controlling according to temperature signal the operating state that full bridge driving circuit 7 drives full-bridge circuit 3.Temperature-sensitive module 9 inside has a temperature sensor; the real time temperature signal of inverter can be detected; MCU circuit module 6 equipment is provided with a temperature preset value; when temperature signal exceedes temperature preset value; then MCU circuit module 6 exports high level signal to full bridge driving circuit 7; make triode Q11 and the triode Q12 conducting of full bridge driving circuit 7, thus control full-bridge circuit cut-off, realize the intelligent protection to inverter circuit.
Electrical appliance 4 in the present embodiment is preferably bulb.
To one skilled in the art, according to technical scheme described above and design, other various corresponding change and deformation can be made, and all these change and deformation all should belong within the protection range of the utility model claim.
Claims (7)
1. an intelligent vehicle-carried inverter, is characterized in that, comprises DC-DC booster circuit, full-bridge circuit, transforming circuit, MCU circuit module, full bridge driving circuit and current sampling circuit; Described DC-DC booster circuit, full bridge driving circuit, transforming circuit are all connected with full-bridge circuit with current sampling circuit, described transforming circuit, current sampling circuit and full bridge driving circuit are all connected with MCU circuit module, and described transforming circuit is also connected with full bridge driving circuit; Described DC-DC booster circuit, for being sent to full-bridge circuit by from after the d. c. voltage signal boosting of storage battery; Described full-bridge circuit, for exporting corresponding ac voltage signal to electrical appliance according to the d. c. voltage signal after DC-DC booster circuit boosting; Described transforming circuit is used for being converted to the first voltage signal and the second voltage signal according to the d. c. voltage signal of storage battery, and the first voltage signal is sent to MCU circuit module, second voltage signal is sent to full-bridge circuit and full bridge driving circuit, to make MCU circuit module, full-bridge circuit and full bridge driving circuit work; Described current sampling circuit, the ac voltage signal for exporting according to full-bridge circuit exports corresponding current signal to MCU circuit module; Described MCU circuit module, controls the operating state of full-bridge circuit by full bridge driving circuit for the current signal that exports according to current sampling circuit.
2. intelligent vehicle-carried inverter as claimed in claim 1, is characterized in that, described intelligent vehicle-carried inverter also comprises temperature-sensitive module, and described transforming circuit is connected with MCU circuit module by temperature-sensitive module; Described transforming circuit, for being sent to temperature-sensitive module to make temperature-sensitive module work by the first voltage signal; Described temperature-sensitive module, for being sent to MCU circuit module by the temperature signal detected; Described MCU circuit module, for controlling according to temperature signal the operating state that full bridge driving circuit drives full-bridge circuit.
3. intelligent vehicle-carried inverter as claimed in claim 1, is characterized in that, described full-bridge circuit comprises the first half-bridge circuit and the second half-bridge circuit;
Described first half-bridge circuit comprises diode D1, diode D2, diode D3, field effect transistor Q1, field effect transistor Q2, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5 and electric capacity C1; One end of described resistance R1, one end of resistance R2 are all connected with the negative pole of diode D1 with one end of electric capacity C1, one end of the other end contact resistance R3 of described resistance R1, the other end of resistance R2, the other end of electric capacity C1, the source electrode of field effect transistor Q1 are all connected with the positive pole of diode D2 with the drain electrode of field effect transistor Q2, and the negative pole of diode D2 is all connected with the grid of field effect transistor Q1 with the other end of resistance R3; One end of the source electrode contact resistance R4 of described field effect transistor Q2, the other end ground connection of resistance R4; The grid of described field effect transistor Q2 is all connected with one end of resistance R5 with the positive pole of diode D3;
Described second half-bridge circuit comprises diode D4, diode D5, diode D6, field effect transistor Q3, field effect transistor Q4, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10 and electric capacity C2; One end of described resistance R6, one end of resistance R7 are all connected with the negative pole of diode D2 with one end of electric capacity C2, one end of the other end contact resistance R8 of described resistance R6, the other end of resistance R7, the other end of electric capacity C2, the source electrode of field effect transistor Q3 are all connected with the positive pole of diode D5 with the drain electrode of field effect transistor Q4, and the negative pole of diode D5 is all connected with the grid of field effect transistor Q3 with the other end of resistance R8; The source electrode of described field effect transistor Q4 is all connected with one end of resistance R9 with one end of resistance R4, and the other end of resistance R9 connects current sampling circuit; The grid of described field effect transistor Q4 is all connected with one end of resistance R10 with the positive pole of diode D6;
The positive pole of described diode D1 is all connected with transforming circuit with the positive pole of diode D4; The drain electrode of described field effect transistor Q1 is all connected with DC-DC booster circuit with the drain electrode of field effect transistor Q3; The other end of the other end of described resistance R1, the other end of resistance R5, resistance R6, the other end of resistance R10, the negative pole of diode D3 are all connected with full bridge driving circuit with the negative pole of diode D6; The drain electrode of described field effect transistor Q2 is all connected with electrical appliance with the drain electrode of field effect transistor Q4.
4. intelligent vehicle-carried inverter as claimed in claim 3, is characterized in that, described full bridge driving circuit comprises the first drive circuit and the second drive circuit;
Described first drive circuit comprises resistance R11, resistance R12, resistance R13, resistance R14, resistance R15, triode Q11 and triode Q12; One end of described resistance R11 is all connected with the base stage of triode Q11 with one end of resistance R12, the other end of resistance R12 and the equal ground connection of emitter of triode Q11; The collector electrode of triode Q11 is all connected with one end of resistance R14 with one end of resistance R13, and the other end of resistance R14 is all connected with the base stage of triode Q12 with one end of resistance R15, the equal ground connection of emitter of resistance R15 and triode Q12; The other end of the collector electrode contact resistance R1 of triode Q12; The other end of resistance R5 is also all connected with one end of resistance R14 with the negative pole of diode D3;
Described second drive circuit comprises resistance R16, resistance R17, resistance R18, resistance R19, resistance R20, triode Q13 and triode Q14; One end of described resistance R16 is all connected with the base stage of triode Q13 with one end of resistance R17, the other end of resistance R17 and the equal ground connection of emitter of triode Q13; The collector electrode of triode Q13 is all connected with one end of resistance R19 with one end of resistance R18, and the other end of resistance R19 is all connected with the base stage of triode Q14 with one end of resistance R20, the equal ground connection of emitter of resistance R20 and triode Q14; The other end of the collector electrode contact resistance R6 of triode Q14; The other end of resistance R10 is also all connected with one end of resistance R19 with the negative pole of diode D6;
One end of described resistance R11 is all connected with MCU circuit module with one end of resistance R16; The other end of described resistance R13 is all connected with transforming circuit with the other end of resistance R18.
5. intelligent vehicle-carried inverter as claimed in claim 1, is characterized in that, described electrical appliance is bulb.
6. intelligent vehicle-carried inverter as claimed in claim 1, is characterized in that, described first voltage signal is 5V.
7. intelligent vehicle-carried inverter as claimed in claim 1, is characterized in that, described second voltage signal is 12V.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520351940.5U CN204928096U (en) | 2015-05-27 | 2015-05-27 | On -vehicle dc -to -ac converter of intelligence |
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| CN201520351940.5U CN204928096U (en) | 2015-05-27 | 2015-05-27 | On -vehicle dc -to -ac converter of intelligence |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107592028A (en) * | 2017-09-04 | 2018-01-16 | 佛山市索尔电子实业有限公司 | A kind of inverter circuit system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107592028A (en) * | 2017-09-04 | 2018-01-16 | 佛山市索尔电子实业有限公司 | A kind of inverter circuit system |
| CN107592028B (en) * | 2017-09-04 | 2020-03-31 | 佛山市索尔电子实业有限公司 | Inverter circuit system |
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