CN107786082A - Voltage regulation filtering device for vehicle voltage - Google Patents
Voltage regulation filtering device for vehicle voltage Download PDFInfo
- Publication number
- CN107786082A CN107786082A CN201610829899.7A CN201610829899A CN107786082A CN 107786082 A CN107786082 A CN 107786082A CN 201610829899 A CN201610829899 A CN 201610829899A CN 107786082 A CN107786082 A CN 107786082A
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- CN
- China
- Prior art keywords
- voltage
- circuit
- filter circuit
- regulation filtering
- vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
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 by the voltage after decompression through voltage stabilizing and filtering after boost again；Fictitious load filter circuit, to by the pulse ripple present in the voltage after boosting again and the micro- noise source of distortion is filtered prevents；When control circuit switches to path, the voltage through fictitious load filter circuit is supplied to aforementioned electronic element as operating voltage；When control circuit switches to open circuit, using fictitious load filter circuit as the load of second voltage, remaining tension discharge can be supplied when car engine is closed and generator shuts down, the present invention is formed with this.Present invention can ensure that the voltage signal that electronic component is transmitted is stable and correct.
Description
Technical field
A kind of relevant voltage regulation filtering device of the present invention, espespecially a kind of voltage regulation filtering device for vehicle voltage.
Background technology
Used control circuit on automobile, it is concatenated by electronic component with circuit, in parallel and series and parallel circuit is formed.
The control circuit applied on automobile has various Control Coolings, substantially comprising engine ignition startup, instrument signal, in-car air-conditioning,
The control of the circuit such as lighting and battery charging.
Electricity consumption needed for aforementioned control circuit, it is after the engine start by automobile, drives generator 91 as shown in Figure 3 to transport
Turning, generating is supplied to electronic component 92, and with the electric power storage of battery 93.It is however, miscellaneous contained by when generator often produces because of enameled wire loop
Matter, quality coefficient cavitation differ and the factor such as aging, causes output voltage signal 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, it is the passive device of oxygen content in detecting engine, there is provided news
Number give vehicle car running computer (ECU), allow engine to correct injection time and number with the change of oxygen content, material therefor includes
More accurate zirconium element or secondary accurate titanium element.When generator is with the presence of aforementioned pulse ripple and the micro- noise source of distortion
When, Lambda sensor will produce that aforesaid voltage signal is excessive and the situation of distortion, is produced in the control of injection time and number
The problem of giving birth to amendment distortion and dysregulation, oil consumption is caused with respect to the problem of improving.
Therefore, how to solve the generator of conventional automobile and asking for pulse ripple and the micro- noise source of distortion when generating electricity be present
Topic, it is the emphasis place of the present invention.
The content of the invention
The main object of the present invention, it is solve the problems, such as above-mentioned and a kind of voltage regulation filtering for vehicle voltage is provided and filled
Put, to ensure that the voltage signal that electronic component is transmitted is stable and correct.
To use following technical scheme up to foregoing purpose, the present invention：
A kind of voltage regulation filtering device for vehicle voltage, it is located at the generator of vehicle and by its electronic component powered
Between circuit, and the generator is parallel to Vehicular battery, including：
One decompression filter circuit, the supply line of the generator is connected in, 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 voltage stabilizing and filter
After ripple, 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
Rush ripple and the micro- noise source of distortion is filtered and prevent, to produce a tertiary voltage；
One control circuit, it is changeable for path or open circuit be connected on the fictitious load filter circuit and aforementioned electronic element it
Between, when the control circuit switches to path, directly it is supplied to aforementioned electronic element to be used as operating voltage using the tertiary voltage；Separately
, can be in the generator using the fictitious load filter circuit as the load of the second voltage when the control circuit switches to open circuit
Remaining tension discharge is supplied when shutting down.
Wherein, allowed in the decompression filter circuit output voltage be depressurized to the first voltage for wire resistor.
Wherein, the voltage regulation filtering booster circuit is voltage up converting circuit of the direct current to direct current.
Wherein, the fictitious load filter circuit is made up of an at least parallel circuit, the parallel circuit be by wire resistor and
Electric capacity composes in parallel.
Wherein, it is one group that the tunnels of parallel circuit Shi Yi tri- are in parallel, and three tunnel wherein connects all the way sets an electric capacity, 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 module, when the control circuit switches to open circuit, with
Load of the fictitious load filter circuit as the tertiary voltage, it can be put when the generator shuts down for remaining tertiary voltage
Electricity.
The above-mentioned and other purpose and advantage of the present invention, the be not difficult detailed description from following selected embodiments and accompanying drawing
In, gain in-depth understanding.
Brief description of the drawings
Fig. 1 is the circuit block diagram of the voltage regulation filtering device of embodiments of the invention.
Fig. 2 is the circuit diagram that the fictitious load filter circuit of embodiments of the invention is composed in parallel by wire resistor and electric capacity.
Fig. 3 is the block diagram of the electron-donating connecting electronic component and battery of conventional generator.
Embodiment
Fig. 1 to Fig. 2 is referred to, is the embodiment selected by the present invention shown in figure, this only supplies 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 device for vehicle voltage, and it is 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 the electronic component of its power supply, and generator 5 is parallel to Vehicular battery 7, this states vehicle in the present embodiment
For automobile, the electronic component in the present embodiment by taking Lambda sensor 6 as an example, wherein：
Filter circuit 1 is depressured, is connected in the supply line of generator 5, the output voltage generator 5 to be given birth to is down to
One first voltage, the output voltage are 14.2 volts (VDC) in the present embodiment, and the first voltage 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 voltage stabilizing and filtering
Afterwards, then a second voltage is boosted to, the second voltage is 14.1 volts (VDC) in the present embodiment.Fictitious load filter circuit 3 is gone here and there
After being associated in voltage regulation filtering booster circuit 2, to pulse ripple existing for the second voltage and the micro- noise source of distortion is filtered
And prevent, to produce a tertiary voltage, the tertiary voltage is 14.2 volts (VDC) in the present embodiment..
In the present embodiment, be depressured in filter circuit 1 by output voltage be depressurized to first voltage for wire resistor.Voltage stabilizing
It is voltage up converting circuit of the direct current to direct current to filter booster circuit 2.Fictitious load filter circuit 3 is by an at least parallel circuit group
Into this, which states parallel circuit, is composed in parallel by wire resistor 31 and electric capacity 32.As shown in Fig. 2 fictitious load filter circuit 3 is by four
Group parallel circuit composition, this states the tunnels of parallel circuit Shi Yi tri-, and in parallel (partial circuit risen in such as figure with dotted line frame is i.e. for one group
It is), three tunnel wherein connects all the way sets an electric capacity 32, and another two-way concatenates two wire resistors 31 respectively, therefore in the 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, four tunnel in addition
Then respectively connect and set an electric capacity 32.
Control circuit 4 as shown in Figure 1, it is changeable to be connected on fictitious load filter circuit 3 and oxygen-containing for path or open circuit
Between perceptron 6, when control circuit 4 switches to path, directly it is supplied to Lambda sensor 6 to be used as work using the tertiary voltage
Voltage；, can be in generator using fictitious load filter circuit 3 as the load of the second voltage when control circuit 4 switches to open circuit
5 discharge when shutting down for remaining second voltage.In the 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 switches to open circuit
5 discharge when shutting down for remaining tertiary voltage.
When Lambda sensor 6 detects the change of oxygen content in engine, there is provided the electricity to the car running computer (ECU) of vehicle
Signal is pressed, it is filtered and disappear after decompression filter circuit 1, a voltage regulation filtering booster circuit 2 and fictitious load filter circuit 3
Remove pulse ripple and the micro- noise source of distortion, therefore when pulse ripple and the micro- noise source of distortion are not present in voltage signal, contain
Oxygen perceptron 6 just will not produce that aforesaid voltage signal is excessive and the situation of distortion, and the nothing in the control of injection time and number
The problem of correcting distortion and dysregulation, oil consumption will not be caused with respect to the problem of improving.
By described above it is seen that it is an advantage of the current invention that the output voltage that generator 5 is given birth to, can be filtered 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 is not had because of pulse ripple and the micro- noise source of distortion in transfer overvoltage signal
In the presence of and have the problem of excessive and distortion, to ensure that the voltage signal that electronic component is transmitted is stable and correct.
The announcement of embodiment described above is not used to the limitation present invention to illustrate 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 detailed description above, those skilled in the art can be made to understand that the present invention may achieve object defined above really, it is real to have accorded with
The regulation of Patent Law is closed, whence proposes patent application.
Claims (7)
1. for the voltage regulation filtering device of vehicle voltage, the generator of vehicle and the circuit by its electronic component powered are located at
Between, and it is parallel to the generator with Vehicular battery, it is characterised in that including：
One decompression filter circuit, is connected in the supply line of the generator, and the output voltage the generator to be given birth to 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 voltage 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, to by pulse ripples existing for the second voltage
Ripple and the micro- noise source of distortion are filtered and prevent, to produce a tertiary voltage；
One control circuit, it is changeable to be connected on for path or open circuit between the fictitious load filter circuit and aforementioned electronic element,
When the control circuit switches to path, directly it is supplied to aforementioned electronic element to be used as operating voltage using the tertiary voltage；At this
When control circuit switches 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 during operating.
2. the voltage regulation filtering device according to claim 1 for vehicle voltage, it is characterised in that the decompression filtered electrical
In road by the output voltage be depressurized to the first voltage for wire resistor.
3. the voltage regulation filtering device according to claim 1 for vehicle voltage, it is characterised 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, it is characterised in that the fictitious load filtering
Circuit is made up of an at least parallel circuit, and the parallel circuit is composed in parallel by wire resistor and electric capacity.
5. the voltage regulation filtering device according to claim 4 for vehicle voltage, it is characterised in that the parallel circuit is
In parallel for one group with three tunnels, wherein connecing all the way for three tunnel sets an electric capacity, and another two-way concatenates two wire resistors respectively.
6. the voltage regulation filtering device according to claim 1 for vehicle voltage, it is characterised in that the electronic component is
Lambda sensor.
7. the voltage regulation filtering device according to claim 1 for vehicle voltage, it is characterised in that the control circuit and
Fictitious load filter circuit is a module, and when the control circuit switches to open circuit, institute is used as using the fictitious load filter circuit
The load of tertiary voltage is stated, can be discharged when the generator shuts down for remaining tertiary voltage.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016209301812 | 2016-08-24 | ||
| CN201620930181 | 2016-08-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107786082A true CN107786082A (en) | 2018-03-09 |
| CN107786082B 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) |
Citations (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 |
| WO2009016267A1 (en) * | 2007-08-02 | 2009-02-05 | Kone Corporation | Control arrangement of 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
Patent Citations (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 |
| WO2009016267A1 (en) * | 2007-08-02 | 2009-02-05 | Kone Corporation | Control arrangement of 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 |
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| Publication number | Publication date |
|---|---|
| CN107786082B (en) | 2019-11-01 |
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Granted publication date: 20191101 |