CN207200585U - A kind of vehicle-mounted inverter based on inversion boosting technology - Google Patents
A kind of vehicle-mounted inverter based on inversion boosting technology Download PDFInfo
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- CN207200585U CN207200585U CN201720896902.7U CN201720896902U CN207200585U CN 207200585 U CN207200585 U CN 207200585U CN 201720896902 U CN201720896902 U CN 201720896902U CN 207200585 U CN207200585 U CN 207200585U
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- 238000005516 engineering process Methods 0.000 title claims abstract description 16
- 239000004020 conductor Substances 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims description 11
- 230000003321 amplification Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
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- 238000006243 chemical reaction Methods 0.000 abstract description 5
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- 230000004888 barrier function Effects 0.000 description 1
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- 230000003203 everyday effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
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Abstract
The utility model discloses a kind of vehicle-mounted inverter based on inversion boosting technology, including product hardware casing, product hardware casing top end surface is inlaid with jack panel, and bottom center, which digs, cable-through hole, conductor wire is plugged with cable-through hole, the front end of conductor wire is plugged with ignition head；Power switch button is inlaid with the left of jack panel, USB output interfaces are inlaid with below power switch button, the right edge of power switch button is inlaid with AC exchange accessory power outlets, AC exchange accessory power outlets side is inlaid with exchange output indicator, the inside of product hardware casing is installed with surface-mounted integrated circuit, inverter circuit is welded with surface-mounted integrated circuit, including recommending DC voltage booster circuit, rear class inverter circuit and control drive circuit, the both positive and negative polarity that DC voltage booster circuit is connected to ignition head by conductor wire is recommended.The utility model can conveniently realize automotive interior dc voltage boost and inversion conversion operation, and high conversion efficiency, and stable performance security is good.
Description
Technical field
It the utility model is related to technical field of electric equipment, specially a kind of vehicle-mounted inversion based on inversion boosting technology
Device.
Background technology
With industry and the development of science and electronic technology.More and more higher, common original electric energy are required the quality of power supply
Quality is to can not meet the requirement of electrical equipment, it is necessary to could be used by Technics of Power Electronic Conversion technology, DC/AC inversion transformation techniques exist
Most important effect is played in converter technique.
During long-distance bus, due to not having AC power power supply on automobile, current mobile charging treasured is also big
All powered for small-sized DC, cause our notebook computers used in everyday, digital camera etc. can not be normal to mobile device
Use.
The content of the invention
In order to overcome the shortcomings of prior art, the utility model provides a kind of based on the vehicle-mounted inverse of inversion boosting technology
Become device, automotive interior dc voltage boost and inversion conversion operation, and high conversion efficiency, stable performance peace can be conveniently realized
Good perfection.
Technical scheme is used by the utility model solves its technical problem：It is a kind of based on the vehicle-mounted of inversion boosting technology
Inverter, including product hardware casing, the product hardware casing are rectangular parallelepiped structure, and top end surface is inlaid with jack panel,
By fixed screw twist-on on product hardware casing, bottom center, which digs, cable-through hole for the corner of the jack panel, crosses line
Conductor wire is plugged with hole, the front end of the conductor wire is plugged with ignition head；Power supply is inlaid with the left of the jack panel to open
Close button, is inlaid with USB output interfaces below power switch button, and it is defeated that the right edge of power switch button is inlaid with AC exchanges
Go out socket, AC exchange accessory power outlets side is inlaid with exchange output indicator, and the inside of the product hardware casing is fixedly mounted
There is surface-mounted integrated circuit, inverter circuit is welded with the surface-mounted integrated circuit, including recommend DC voltage booster circuit, rear class inverter circuit
With control drive circuit, the voltage input end for recommending DC voltage booster circuit is connected to the positive and negative of ignition head by conductor wire
Pole, recommend DC voltage booster circuit and export DC voltage to the input of rear class inverter circuit, control drive circuit output SPWM ripples
Control signal to rear class inverter circuit gate pole control terminal, rear class inverter circuit output simple alternating current electric signal.
As a kind of technical scheme for having choosing of the utility model, the product hardware casing uses stainless steel aluminum alloy system
Into a length of 125mm, a width of 70mm, a height of 46mm.
As a kind of technical scheme for having choosing of the utility model, the power switch button is connected on ignition head and recommended straight
Between flowing booster circuit, AC exchange accessory power outlets are connected to rear class inverter circuit output end, and indicator lamp is connected on AC exchange outputs
Between socket and rear class inverter circuit.
As a kind of technical scheme for having choosing of the utility model, the original for recommending DC voltage booster circuit medium/high frequency transformer
While being in series with switching tube, the gate pole of IGCT is connected with triode amplifying circuit.
As a kind of technical scheme for having choosing of the utility model, the rear class inverter circuit is using unidirectional full-bridge inverting electricity
Road, it is made up of high power switch metal-oxide-semiconductor, a fast recovery diode in parallel beside each switching tube.
As a kind of technical scheme for having choosing of the utility model, the control drive circuit is using TL494 external connections electricity
Voltage composition drive circuit is hindered, No. 1 pin exports PWM ripples, No. 5 and No. 6 pin outer meeting resistance capacitance adjustment output pulse frequencies.
Compared with prior art, the beneficial effects of the utility model are：
(1) the utility model in DC voltage booster circuit is recommended by setting triode drive amplification circuit come controlling switch
Pipe break-make, further the input signal of triode drive amplification circuit is controlled by programmable controller, so as to realize
To the FREQUENCY CONTROL of DC boosting；
(2) the utility model is by setting rear class inverter circuit, in switching tube both ends parallel connection Quick-return diode, effectively
Reactive power is reduced, improves inverter circuit efficiency, and high pressure electricity output can be realized；
(3) the utility model controls drive circuit by setting, and utilizes mcu programming control TL494 driving full-bridge invertings
Circuit, not only the frequency of inverter output voltage can be easily controlled, while there is overheat over-voltage protecting function, output voltage is steady
It is fixed.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is integrated circuit board structure schematic diagram；
Fig. 3 is rear class inverter circuit schematic diagram；
In figure：1- product hardware casings；2- jack panels；3- conductor wires；4- ignition heads；5- surface-mounted integrated circuits；201- electricity
Source switch button；202-USB output interfaces；203-AC exchanges accessory power outlet；501- DC voltage booster circuits；502- rear classes inversion electricity
Road；503- controls drive circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
The explanation of following embodiment is refer to the attached drawing, can be to the particular implementation implemented to example the utility model
Example.The direction and position term that the utility model is previously mentioned, for example, " on ", " in ", " under ", "front", "rear", "left", "right", "
It is interior ", " outer ", " side " etc., be only the direction and position with reference to annexed drawings.Therefore, the direction and position term used is to use
To illustrate and understand the utility model, and it is not used to limit the utility model.
Embodiment：
As depicted in figs. 1 and 2, the utility model provides a kind of vehicle-mounted inverter based on inversion boosting technology, including
Product hardware casing 1, the product hardware casing 1 are rectangular parallelepiped structure, and top end surface is inlaid with jack panel 2, the jack
By fixed screw twist-on on product hardware casing 1, bottom center, which digs, cable-through hole, cable-through hole interpolation for the corner of panel 2
Conductor wire 3 is connected to, the front end of the conductor wire 3 is plugged with ignition head 4；The left side of the jack panel 2 is inlaid with power switch
Button 201, the lower section of power switch button 201 are inlaid with USB output interfaces 202, and the right edge of power switch button 201 is inlayed
There is AC to exchange accessory power outlet 203, AC exchange accessory power outlets 203 side is inlaid with exchange output indicator 204, the product five
The inside of golden shell 1 is installed with surface-mounted integrated circuit 5, and inverter circuit is welded with the surface-mounted integrated circuit 5, including recommends straight
Flow booster circuit 501, rear class inverter circuit 502 and control drive circuit 503, the voltage for recommending DC voltage booster circuit 501
Input is connected to the both positive and negative polarity of ignition head 4 by conductor wire, recommends DC voltage booster circuit 501 and exports DC voltage to rear class
The input of inverter circuit 502, control drive circuit 503 export SPWM wave control signals to the gate pole of rear class inverter circuit 502
Control terminal, rear class inverter circuit 502 export simple alternating current electric signal；
The product hardware casing 1 is made of stainless steel aluminum alloy, a length of 125mm, a width of 70mm, and a height of 46mm is interior
Area mat has insulating barrier, has waterproof insulation function, the jack panel 2 is used to be connected with externally fed equipment, described
Between power switch button 201 is connected on ignition head 4 and recommends DC voltage booster circuit 501, AC exchange accessory power outlets 203 are connected to
The output end of rear class inverter circuit 502, indicator lamp 204 are connected between AC exchange accessory power outlets 203 and rear class inverter circuit 502；
The power switch button 201 is used for the break-make for controlling charging circuit, and it is small-sized that USB output interfaces 202, which export 5V DC voltages,
Equipment is powered, and the AC exchanges accessory power outlet 203 is used to export 220v High Level AC Voltages for alternating current equipment power supply, exchanges electricity output
When, indicator lamp 204 is lit；
The primary side for recommending the medium/high frequency transformer of DC voltage booster circuit 501 is in series with switching tube, and the gate pole of IGCT connects
It is connected to triode amplifying circuit；Trigger switch pipe Q3, Q4 alternate conduction in transistor amplifier, exports transformer primary side
Square wave alternating-current electricity, transformer realizes boost operations, after full-wave rectification and filtering, exports galvanic current；
As shown in figure 3, the control drive circuit 503 use TL494 external connections resistive voltage composition drive circuit, 1
Number pin output PWM ripples, No. 5 with No. 6 pin outer meeting resistance capacitance adjustment output pulse frequencies；R1 and R2 composition partial pressure detection electricity
Road, its output signal access TL494 No. 1 terminal.When power supply overvoltage, TL494 internal comparators output high level, TL494
It is stopped.R3, R4, R5 form overheating protection circuit, and output signal accesses TL494 15 pins, when power supply overheats, 15
Number pin level is less than a reference value, and TL494 is stopped.When supply voltage is less than 10.During 8V, undervoltage detection circuit output signal
Output pulse is closed by No. 4 pin input high level signal TL494 that voltage comparator is TL494, realizes that line under-voltage is protected
Shield；
Further illustrate, TL494 is controlled by external single-chip microcomputer, the programmable counter that single-chip microcomputer passes through inside
Array and software programming produce the two-way SPWM drive signals for driving full-bridge inverter, and this signal is put by TL494 drivings
Two groups of switchs of control full-bridge inverting after big；Secondly by detection to output voltage signal compared with Setting signal
Compared with the PI regulatory functions by software programming realization to output voltage；
The rear class inverter circuit 502 uses unidirectional full bridge inverter, is made up of high power switch metal-oxide-semiconductor, Mei Gekai
Close a fast recovery diode in parallel beside pipe；When output exchange measuring tape resistance sense load, it is desirable to provide reactive power, therefore
One fast recovery diode of inverse parallel beside each switching tube, passage is provided to reactive power.Switching tube is held when off
By DC bus-bar voltage, because DC bus-bar voltage is 400V, so the pressure voltage of switching tube is at least not less than 400V.Consider
The influence of due to voltage spikes is turned off, then takes 2-3 times of surplus, so the pressure-resistant of switching tube takes more than 800V.
In summary, it is of the present utility model to be mainly characterized by：
(1) the utility model in DC voltage booster circuit is recommended by setting triode drive amplification circuit come controlling switch
Pipe break-make, further the input signal of triode drive amplification circuit is controlled by programmable controller, so as to realize
To the FREQUENCY CONTROL of DC boosting；
(2) the utility model is by setting rear class inverter circuit, in switching tube both ends parallel connection Quick-return diode, effectively
Reactive power is reduced, improves inverter circuit efficiency, and high pressure electricity output can be realized；
(3) the utility model controls drive circuit by setting, and utilizes mcu programming control TL494 driving full-bridge invertings
Circuit, not only the frequency of inverter output voltage can be easily controlled, while there is overheat over-voltage protecting function, output voltage is steady
It is fixed.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Claims (6)
- A kind of 1. vehicle-mounted inverter based on inversion boosting technology, it is characterised in that：Including product hardware casing (1), the production Product hardware casing (1) is rectangular parallelepiped structure, and top end surface is inlaid with jack panel (2), and the corner of the jack panel (2) passes through For fixed screw twist-on on product hardware casing (1), bottom center, which digs, cable-through hole, and conductor wire (3) is plugged with cable-through hole, The front end of the conductor wire (3) is plugged with ignition head (4)；Power switch button is inlaid with the left of the jack panel (2) (201) USB output interfaces (202), the right edge of power switch button (201), are inlaid with below power switch button (201) AC exchange accessory power outlets (203) are inlaid with, AC exchanges accessory power outlet (203) side is inlaid with exchange output indicator (204), institute The inside for stating product hardware casing (1) is installed with surface-mounted integrated circuit (5), and inversion is welded with the surface-mounted integrated circuit (5) Circuit, including DC voltage booster circuit (501), rear class inverter circuit (502) and control drive circuit (503) are recommended, it is described to recommend The voltage input end of DC voltage booster circuit (501) is connected to the both positive and negative polarity of ignition head (4) by conductor wire, recommends DC boosting electricity Road (501) exports DC voltage to the input of rear class inverter circuit (502), control drive circuit (503) output SPWM ripple controls Signal processed to rear class inverter circuit (502) gate pole control terminal, rear class inverter circuit (502) output simple alternating current electric signal.
- A kind of 2. vehicle-mounted inverter based on inversion boosting technology according to claim 1, it is characterised in that：The product Hardware casing (1) is made of stainless steel aluminum alloy, a length of 125mm, a width of 70mm, a height of 46mm.
- A kind of 3. vehicle-mounted inverter based on inversion boosting technology according to claim 1, it is characterised in that：The power supply Between switch key (201) is connected on ignition head (4) and recommends DC voltage booster circuit (501), AC exchange accessory power outlets (203) are even Rear class inverter circuit (502) output end is connected to, indicator lamp (204) is connected on AC exchange accessory power outlets (203) and rear class inversion electricity Between road (502).
- A kind of 4. vehicle-mounted inverter based on inversion boosting technology according to claim 1, it is characterised in that：It is described to recommend The primary side of DC voltage booster circuit (501) medium/high frequency transformer is in series with switching tube, and the gate pole of IGCT is connected with triode amplification Circuit.
- A kind of 5. vehicle-mounted inverter based on inversion boosting technology according to claim 1, it is characterised in that：The rear class Inverter circuit (502) uses unidirectional full bridge inverter, is made up of high power switch metal-oxide-semiconductor, parallel connection one beside each switching tube Individual fast recovery diode.
- A kind of 6. vehicle-mounted inverter based on inversion boosting technology according to claim 1, it is characterised in that：The control For drive circuit (503) using TL494 external connections resistive voltage composition drive circuit, No. 1 pin exports PWM ripples, No. 5 with No. 6 Pin outer meeting resistance capacitance adjustment output pulse frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720896902.7U CN207200585U (en) | 2017-07-24 | 2017-07-24 | A kind of vehicle-mounted inverter based on inversion boosting technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720896902.7U CN207200585U (en) | 2017-07-24 | 2017-07-24 | A kind of vehicle-mounted inverter based on inversion boosting technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207200585U true CN207200585U (en) | 2018-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720896902.7U Expired - Fee Related CN207200585U (en) | 2017-07-24 | 2017-07-24 | A kind of vehicle-mounted inverter based on inversion boosting technology |
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| Country | Link |
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| CN (1) | CN207200585U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109068466A (en) * | 2018-09-17 | 2018-12-21 | 吉林大学 | A kind of double inverter applied to trolley coach fluorescent lamp |
| CN111998408A (en) * | 2019-05-26 | 2020-11-27 | 许文辉 | Electric cooker capable of boosting voltage by using low-voltage direct current inversion and improving electromagnetic heating power |
-
2017
- 2017-07-24 CN CN201720896902.7U patent/CN207200585U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109068466A (en) * | 2018-09-17 | 2018-12-21 | 吉林大学 | A kind of double inverter applied to trolley coach fluorescent lamp |
| CN111998408A (en) * | 2019-05-26 | 2020-11-27 | 许文辉 | Electric cooker capable of boosting voltage by using low-voltage direct current inversion and improving electromagnetic heating power |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180406 |
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| CF01 | Termination of patent right due to non-payment of annual fee |