CN107786082B - Voltage regulation filtering device for vehicle voltage - Google Patents
Voltage regulation filtering device for vehicle voltage Download PDFInfo
- Publication number
- CN107786082B CN107786082B CN201610829899.7A CN201610829899A CN107786082B CN 107786082 B CN107786082 B CN 107786082B CN 201610829899 A CN201610829899 A CN 201610829899A CN 107786082 B CN107786082 B CN 107786082B
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- China
- Prior art keywords
- voltage
- circuit
- filter circuit
- regulation filtering
- generator
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The present invention provides a kind of voltage regulation filtering device for vehicle voltage, including decompression filter circuit, voltage regulation filtering booster circuit, fictitious load filter circuit and control circuit, wherein decompression filter circuit is depressured to the output voltage for being given birth to generator；Voltage regulation filtering booster circuit to boost the voltage after decompression again after pressure stabilizing and filtering；Fictitious load filter circuit, pulse ripple present in the voltage after boosting again and the micro- noise source of distortion to be prevented through filtering；When control circuit is switched to access, the voltage through fictitious load filter circuit is supplied to aforementioned electronic element as operating voltage；When control circuit is switched to open circuit, using fictitious load filter circuit as the load of second voltage, the present invention can be constituted with this when car engine is closed and generator shuts down for remaining tension discharge.Present invention can ensure that the voltage signal that electronic component is transmitted is stable and correct.
Description
Technical field
The present invention is in relation to a kind of voltage regulation filtering device, espespecially a kind of voltage regulation filtering device for vehicle voltage.
Background technique
Used control circuit on automobile is concatenated by electronic component with route, in parallel and series and parallel circuit is formed.
The control circuit applied on automobile has a various Control Coolings, substantially comprising engine ignition starting, instrument signal, interior air-conditioning,
The control of the circuits such as lighting and battery charging.
Electricity consumption needed for aforementioned control circuit is to drive generator 91 as shown in Figure 3 to transport after the engine start by automobile
Turn, power generation is supplied to electronic component 92, and with 93 electric power storage of battery.However, miscellaneous contained by when generator is often produced because of enameled wire loop
Matter, quality coefficient cavitation be different and the factors such as aging, and output voltage signal is caused to have excessive problem of dtmf distortion DTMF, even if
After preliminary rectification and voltage regulation filtering, however it remains pulse ripple and the micro- noise source of distortion.
If for using Lambda sensor as electronic component 92, for the passive device of oxygen content in detecting engine, providing news
Number give vehicle car running computer (ECU), allow engine to correct injection time and number with the variation of oxygen content, material therefor includes
More accurate zirconium element or the titanium element of secondary precision.When generator with the presence of aforementioned pulse ripple and is distorted micro- noise source
When, Lambda sensor will generate aforesaid voltage signal it is excessive and the case where be distorted, produced in the control of injection time and number
The problem of raw amendment distortion and dysregulation, causes oil consumption opposite the problem of improving.
Therefore, how to solve the generator of common automobile and there are pulse ripple and be distorted asking for micro- noise source in power generation
Topic, emphasis place as of the invention.
Summary of the invention
The main object of the present invention is to solve the problem above-mentioned and provide a kind of voltage regulation filtering dress for vehicle voltage
It sets, to ensure that the voltage signal that electronic component is transmitted is stable and correct.
For up to purpose above-mentioned, the invention adopts the following technical scheme:
A kind of voltage regulation filtering device for vehicle voltage is located at the generator of vehicle and by its electronic component powered
Between circuit, and the generator is parallel to Vehicular battery, comprising:
One decompression filter circuit, is connected in the power supply line of the generator, to the output voltage for being given birth to the generator
It is down to a first voltage；
One voltage regulation filtering booster circuit, after being connected on the decompression filter circuit, to by the first voltage through pressure stabilizing and filter
After wave, then boost to a second voltage；
One fictitious load filter circuit, after being connected on the voltage regulation filtering booster circuit, to by arteries and veins existing for the second voltage
It rushes ripple and is distorted micro- noise source and prevent through filtering, to generate a tertiary voltage；
One control circuit, can be switched to access or open circuit and be connected on the fictitious load filter circuit and aforementioned electronic element it
Between, when the control circuit is switched to access, aforementioned electronic element is directly supplied to as operating voltage using the tertiary voltage；Separately
It, can be in the generator using the fictitious load filter circuit as the load of the second voltage when the control circuit is switched to open circuit
Remaining tension discharge is supplied when shutting down.
Wherein, allowing the output voltage to be depressurized to the first voltage in the decompression filter circuit is wire resistor.
Wherein, which is voltage up converting circuit of the direct current to direct current.
Wherein, which is made of an at least parallel circuit, the parallel circuit be by wire resistor and
Capacitor composes in parallel.
Wherein, the tri- tunnel parallel connection of parallel circuit Shi Yi is one group, and three tunnel wherein connects all the way sets a capacitor, another two-way
Two wire resistors are concatenated respectively.
Wherein, the electronic component is Lambda sensor.
Wherein, the control circuit and fictitious load filter circuit are a mould group, when the control circuit is switched to open circuit, with
Load of the fictitious load filter circuit as the tertiary voltage can be put when the generator shuts down for remaining tertiary voltage
Electricity.
Above-mentioned and other purposes and advantage of the invention, the detailed description and accompanying drawings being not difficult from following selected embodiments
In, it gains in-depth understanding.
Detailed description of the invention
Fig. 1 is the circuit block diagram of the voltage regulation filtering device of the embodiment of the present invention.
Fig. 2 is the circuit diagram that the fictitious load filter circuit of the embodiment of the present invention is composed in parallel by wire resistor and capacitor.
Fig. 3 is the electron-donating connecting electronic component of common generator and the block diagram of battery.
Specific embodiment
Fig. 1 to Fig. 2 is please referred to, the embodiment as shown in the figure for selected by of the invention, this is only for purposes of discussion, in patent Shen
Please on do not stated embodiment by this and limited.
The present embodiment provides a kind of voltage regulation filtering devices for vehicle voltage, as shown in Figure 1, including a decompression filtering
Circuit 1, a voltage regulation filtering booster circuit 2, a fictitious load filter circuit 3 and a control circuit 4, and it is located at the generator 5 of vehicle
Between the circuit by its electronic component powered, and it is parallel to generator 5 with Vehicular battery 7, this states vehicle in this present embodiment
For automobile, the electronic component is in this present embodiment by taking Lambda sensor 6 as an example, in which:
It is depressured filter circuit 1, is connected in the power supply line of generator 5, the output voltage to be given birth to generator 5 is down to
One first voltage, the output voltage are 14.2 volts (VDC) in this present embodiment, which is that output voltage is down to 11.2
Volt (VDC).Voltage regulation filtering booster circuit 2 be connected on decompression filter circuit 1 after, to by first voltage through pressure stabilizing and filtering
Afterwards, then a second voltage is boosted to, which is 14.1 volts (VDC) in this present embodiment.Fictitious load filter circuit 3 is gone here and there
After being associated in voltage regulation filtering booster circuit 2, by pulse ripple existing for the second voltage and to be distorted micro- noise source through filtering
And prevent, to generate a tertiary voltage, which is 14.2 volts (VDC) in this present embodiment..
In this present embodiment, being depressured and output voltage is depressurized to first voltage in filter circuit 1 is wire resistor.Pressure stabilizing
Filtering booster circuit 2 is voltage up converting circuit of the direct current to direct current.Fictitious load filter circuit 3 is by an at least parallel circuit group
At this, which states parallel circuit, is composed in parallel by wire resistor 31 and capacitor 32.As shown in Fig. 2, fictitious load filter circuit 3 is by four
Group parallel circuit composition, this state tri- tunnel parallel connection of parallel circuit Shi Yi be one group (in such as figure with dotted line frame rise partial circuit i.e.
It is), three tunnel wherein connects all the way sets a capacitor 32, and another two-way concatenates two wire resistors 31 respectively, therefore in this present embodiment
Four groups of parallel circuits of fictitious load filter circuit 3 share 12 tunnels, wherein eight tunnels concatenate two wire resistors 31 respectively, other four tunnel
It then respectively connects and sets a capacitor 32.
Control circuit 4 as shown in Figure 1 can be switched to access or open circuit and be connected on fictitious load filter circuit 3 and oxygen-containing
Between perceptron 6, when control circuit 4 is switched to access, Lambda sensor 6 is directly supplied to as work using the tertiary voltage
Voltage；It, can be in generator using fictitious load filter circuit 3 as the load of the second voltage when control circuit 4 is switched to open circuit
5 discharge when shutting down for remaining second voltage.In this present embodiment, control circuit 4 and fictitious load filter circuit 3 are a mould
Group, can be in generator also using fictitious load filter circuit 3 as the load of the tertiary voltage when control circuit 4 is switched to open circuit
5 discharge when shutting down for remaining tertiary voltage.
When Lambda sensor 6 detects the variation of oxygen content in engine, it is supplied to the electricity of the car running computer (ECU) of vehicle
Signal is pressed, after decompression filter circuit 1, a voltage regulation filtering booster circuit 2 and fictitious load filter circuit 3, is disappeared through filtering
It removes pulse ripple and is distorted micro- noise source, therefore when pulse ripple is not present in voltage signal and is distorted micro- noise source, contain
Oxygen perceptron 6 just will not generate aforesaid voltage signal it is excessive and the case where be distorted, and the nothing in the control of injection time and number
The problem of amendment distortion and dysregulation, not will cause oil consumption opposite the problem of improving.
By above description it is seen that it is an advantage of the current invention that the output voltage that generator 5 is given birth to, can filter through decompression
After circuit 1, a voltage regulation filtering booster circuit 2 and fictitious load filter circuit 3, filtered and prevent pulse ripple and the micro- noise of distortion
Number source, so that the electronic component on vehicle in transfer overvoltage signal, does not have because of pulse ripple and is distorted micro- noise source
There are problems that and have excessive and be distorted, to ensure that the voltage signal that electronic component is transmitted is stable and correct.
The announcement of embodiment described above is not intended to limit the invention illustrating the present invention, therefore the change of numerical value such as
More or the displacement of equivalence element should be subordinate to scope of the invention.
By being described in detail above, can make those skilled in the art that the present invention be illustrated may achieve foregoing purpose really, real to have accorded with
The regulation of Patent Law is closed, whence proposes patent application.
Claims (5)
1. being used for the voltage regulation filtering device of vehicle voltage, it is located at the generator of vehicle and the circuit by its electronic component powered
Between, and the generator is parallel to Vehicular battery characterized by comprising
One decompression filter circuit, is connected in the power supply line of the generator, the output voltage to be given birth to the generator is down to
One first voltage；
One voltage regulation filtering booster circuit, after being connected on the decompression filter circuit, to by the first voltage through pressure stabilizing and filtering after,
A second voltage is boosted to again；
One fictitious load filter circuit, after being connected on the voltage regulation filtering booster circuit, which is by least together
Join circuit composition, this, which states parallel circuit, is composed in parallel by a wire resistor and a capacitor, to will be existing for the second voltage
Pulse ripple and the micro- noise source of distortion are prevented through filtering, to generate a tertiary voltage；
One control circuit can be switched to access or open circuit and be connected between the fictitious load filter circuit and aforementioned electronic element,
When the control circuit is switched to access, aforementioned electronic element is directly supplied to as operating voltage using the tertiary voltage；At this
When control circuit is switched to open circuit, using the fictitious load filter circuit as the load of the second voltage, it can stop in the generator
Remaining tension discharge is supplied when operating.
2. the voltage regulation filtering device according to claim 1 for vehicle voltage, which is characterized in that the decompression filtered electrical
It is wire resistor that the output voltage, which is depressurized to the first voltage, in road.
3. the voltage regulation filtering device according to claim 1 for vehicle voltage, which is characterized in that the voltage regulation filtering liter
Volt circuit is voltage up converting circuit of the direct current to direct current.
4. the voltage regulation filtering device according to claim 1 for vehicle voltage, which is characterized in that the parallel circuit is
With three tunnel parallel connections for one group, wherein connecing all the way for three tunnel sets a capacitor, and another two-way concatenates two wire resistors respectively.
5. the voltage regulation filtering device according to claim 1 for vehicle voltage, which is characterized in that the electronic component is
Lambda sensor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620930181 | 2016-08-24 | ||
| CN2016209301812 | 2016-08-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107786082A CN107786082A (en) | 2018-03-09 |
| CN107786082B true CN107786082B (en) | 2019-11-01 |
Family
ID=61437741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610829899.7A Expired - Fee Related CN107786082B (en) | 2016-08-24 | 2016-09-19 | Voltage regulation filtering device for vehicle voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107786082B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5563479A (en) * | 1993-10-29 | 1996-10-08 | Aisin Seiki Kabushiki Kaisha | Power supply apparatus for electric vehicle |
| FI121205B (en) * | 2007-08-02 | 2010-08-13 | Kone Corp | Control arrangement for an electric motor |
| CN202550945U (en) * | 2012-02-23 | 2012-11-21 | 郑州宇通客车股份有限公司 | Multifunctional vehicle motor controller |
| CN105720893A (en) * | 2014-12-02 | 2016-06-29 | 永济新时速电机电器有限责任公司 | Traction converter with secondary filter circuit |
-
2016
- 2016-09-19 CN CN201610829899.7A patent/CN107786082B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN107786082A (en) | 2018-03-09 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191101 |