CN104953822A - Stable-voltage power supply circuit of vehicle-mounted controller and stable-voltage power supply device of vehicle-mounted controller - Google Patents
Stable-voltage power supply circuit of vehicle-mounted controller and stable-voltage power supply device of vehicle-mounted controller Download PDFInfo
- Publication number
- CN104953822A CN104953822A CN201510401873.8A CN201510401873A CN104953822A CN 104953822 A CN104953822 A CN 104953822A CN 201510401873 A CN201510401873 A CN 201510401873A CN 104953822 A CN104953822 A CN 104953822A
- Authority
- CN
- China
- Prior art keywords
- module
- power supply
- power
- vehicle controller
- voltage
- 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.)
- Granted
Links
Abstract
The invention discloses a stable-voltage power supply circuit of a vehicle-mounted controller and a stable-voltage power supply device of the vehicle-mounted controller. The stable-voltage power supply circuit of the vehicle-mounted controller comprises a power supply, a stable-voltage power supply system and a vehicle-mounted controller 5V power module, wherein the power supply supplies power to the vehicle-mounted controller 5V power module through the stable-voltage power supply system. The stable-voltage power supply circuit of the vehicle-mounted controller is characterized in that the stable-voltage power supply system comprises a DC/DC (direct current/direct current) power module and a DC/DC switching frequency selection module, the DC/DC power module is connected with the power supply and the vehicle-mounted controller 5V power module respectively, and the DC/DC switching frequency selection module is connected with the DC/DC power module to regulate the DC/DC switching frequency. Under the condition of rapid dropping of the voltage of the power supply, the output voltage of the vehicle-mounted controller 5V power module can be up to 5V, and the requirement of the vehicle-mounted controller for the voltage of the 5V power module is met.
Description
Technical field
The application relates to the voltage stabilizing power supply technique that a kind of low voltage starting supply voltage falls fast, particularly relates to Vehicle Controller voltage stabilizing power supplying circuit and the Vehicle Controller voltage stabilizing electric supply installation of auto industry field.
Background technology
The controller of onboard system, actuator, sensor majority is 5V power source supplying voltage, and their power supply is directly from on-vehicle battery, but at low temperature environment, battery supply feed, under the too high or traffic congestion of lubricating oil viscosity, cell voltage can because of the factor such as start and stop and vehicle-mounted overload, cell voltage can be caused low to about 4.5V fast, the normal output of 5V power supply cannot be ensured, Vehicle Controller can reset (Reset), thus the key parameter of the core component such as engine and gearbox cannot be obtained, so just need to restart, repeatedly start the consumption that will increase the energy, even there is car ashtray phenomenon because repeatedly starting and cannot start.
For this reason, the solution of a kind of conventional low voltage starting disclosed in prior art, as shown in Figure 1, increase one-level DC/DC (Switching Power Supply) at the input of 5V power supply to export, with the normal working voltage of service truck set controller 5V power module, but DC/DC (Switching Power Supply) DC/DC switching frequency is fixed like this, it is applicable to low startup cell voltage and falls at a slow speed and Vehicle Controller light load condition, and for its actual condition, namely during low voltage starting, cell voltage is a kind of falling process fast, and load during controller work is general larger, there are two deficiencies in the program: one is that response speed does not catch up with, Vehicle Controller 5V power module input still can be made lower than the situation of 5V, two is that the program is integrated in Vehicle Controller, needs to change existing Vehicle Controller power supply circuit construction, is unfavorable for extensively being promoted, thus according to not solving this low voltage starting problem well.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, one object of the present invention is to propose a kind of Vehicle Controller voltage stabilizing power supplying circuit and Vehicle Controller voltage stabilizing electric supply installation, when power supply voltage falls fast, can guarantee that Vehicle Controller 5V power module exports and reach 5V voltage.
Another object of the present invention is to propose a kind of and Vehicle Controller voltage stabilizing electric supply installation, when can change original Vehicle Controller power supply circuit construction, realized when power supply voltage falls fast by complementary module, guarantee that Vehicle Controller 5V power module exports and reach 5V voltage.
For achieving the above object, one aspect of the present invention embodiment proposes a kind of Vehicle Controller voltage stabilizing power supplying circuit, described Vehicle Controller voltage stabilizing power supplying circuit, comprise power supply, voltage-stabilizing power supply system and Vehicle Controller 5V power module, described power supply is powered to described Vehicle Controller 5V power module by described voltage-stabilizing power supply system, wherein said voltage-stabilizing power supply system comprises DC/DC power module and DC/DC switching frequency selects module, described DC/DC power module is connected with described power supply and described Vehicle Controller 5V power module input respectively, described DC/DC switching frequency selects module to be connected to regulate DC/DC switching frequency with the adjustable frequency interface of described DC/DC power module.
According to the embodiment of the present invention propose Vehicle Controller voltage stabilizing power supplying circuit by setting suitable DC/DC magnitude of voltage, when supply voltage falls fast with Vehicle Controller heavy duty, can ensure that DC/DC exports the 5V power supply input normal working voltage requirement met, module is selected to realize the selection of DC/DC switch of the power supply module frequency by DC/DC switching frequency, when power supply falls fast with Vehicle Controller heavy duty, can ensure that DC/DC power module exports all 5V power module normal working voltages requirement met.
According to a further embodiment of the invention, a kind of Vehicle Controller voltage stabilizing power supplying circuit is provided, comprise power supply, voltage-stabilizing power supply system, 5V power module, first counnter attack module and the second counnter attack module, described voltage-stabilizing power supply system comprises DC/DC power module and DC/DC switching frequency selects module, described DC/DC power module input is connected with described power supply, described DC/DC power module outlet is connected with described 5V power module input through described first counnter attack module, described DC/DC switching frequency selects module to be connected to regulate DC/DC switching frequency with the adjustable frequency interface of described DC/DC power module, described power supply is also connected with the input of described 5V power module 51 through described second counnter attack module.
Another specific embodiment of the present invention, under normal circumstances, power supply is powered directly to 5V power module by the second counnter attack module, when power supply input is fallen fast with Vehicle Controller heavy duty, voltage-stabilizing power supply system is powered to 5V power module 51 with the pattern of bypass through the first counnter attack module, by setting suitable DC/DC magnitude of voltage, when supply voltage falls fast with Vehicle Controller heavy duty, can ensure that DC/DC exports the 5V power supply input normal working voltage requirement met, module is selected to realize the selection of DC/DC switch of the power supply module frequency by DC/DC switching frequency, so can meet the voltage stability requirements of 5V power module on this Vehicle Controller, and do not change the power supply circuit construction of its Vehicle Controller 5V power module.
Specializing according to another embodiment of the invention, described first counnter attack module and described second counnter attack module are diode, the anode of described first counnter attack module is connected with the output of described DC/DC power module, the negative electrode of described first counnter attack module is connected with the input of described 5V power module, the anode of described second counnter attack module is connected with described power supply, and the negative electrode of described second counnter attack module is connected with the input of described 5V power module.
According to further specific embodiment of the present invention, described DC/DC switching frequency selects the switching frequency selection range of the correspondence of module to be 100kHz ~ 2MHz.
Further, a specific embodiment of the present invention, described DC/DC switching frequency selects the switching frequency of the correspondence of module to be 500kHz.
According to a specific embodiment of the present invention, described DC/DC power module comprises DC/DC control chip, DC/DC topological structure, dividing potential drop networking and resonant earthed system, the break-make of wherein said DC/DC control chip control topology structure, described dividing potential drop networking connects the output of described topological structure for setting DC/DC electric power output voltage, described potential-divider network is also connected for DC/DC electric power output voltage of sampling with described DC/DC control chip, and described resonant earthed system is connected the stability for whole DC/DC power module with described DC/DC control chip.
Further, a specific embodiment of the present invention, described DC/DC control chip has frequency-adjustable joint interface, and this frequency-adjustable joint interface connects DC/DC switching frequency and selects module.
Further, described DC/DC topological structure is Boost topological structure.
Further, the output voltage of described DC/DC power module setting is not less than 1.6 times of described 5V power module output voltage values.
For achieving the above object, the present invention on the other hand embodiment proposes a kind of Vehicle Controller voltage stabilizing electric supply installation, and described Vehicle Controller voltage stabilizing electric supply installation comprises Vehicle Controller voltage stabilizing power supplying circuit as above.
Further concrete technical scheme and technique effect will be represented by following specific embodiment.
Accompanying drawing explanation
Fig. 1 is existing Vehicle Controller voltage stabilizing power supplying circuit module diagram;
Fig. 2 the first Vehicle Controller voltage stabilizing power supplying circuit of the present invention and Vehicle Controller voltage stabilizing electric supply installation schematic diagram;
Fig. 3 the second Vehicle Controller of the present invention voltage stabilizing power supplying circuit and Vehicle Controller voltage stabilizing electric supply installation schematic diagram;
The voltage pattern that the power supply of Fig. 4 Vehicle Controller voltage stabilizing power supplying circuit of the present invention embodiment falls;
Fig. 5 Vehicle Controller voltage stabilizing power supplying circuit of the present invention under Vehicle Controller minimum load (vehicle-mounted control 5V electrical source consumption electric current is 20mA) condition, the design sketch of voltage-stabilizing power supply system 2 output voltage;
Fig. 6 Vehicle Controller voltage stabilizing power supplying circuit of the present invention under Vehicle Controller maximum load (Vehicle Controller 5V electrical source consumption electric current is 1A) condition, the design sketch of voltage-stabilizing power supply system 2 output voltage.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
Below with reference to the accompanying drawings Vehicle Controller voltage stabilizing power supplying circuit module and the Vehicle Controller voltage stabilizing electric supply installation of embodiment of the present invention proposition are described.
As shown in Figure 2, Vehicle Controller voltage stabilizing power supplying circuit, comprise power supply 1, voltage-stabilizing power supply system 2 and Vehicle Controller 5V power module 5, described power supply 1 is powered to described Vehicle Controller 5V power module 5 by described voltage-stabilizing power supply system 2, wherein said voltage-stabilizing power supply system 2 comprises DC/DC power module 4 and DC/DC switching frequency selects module 3, described DC/DC power module 4 input is connected with described power supply 1, described DC/DC power module 4 output is connected with described Vehicle Controller 5V power module 5 input, described DC/DC switching frequency selects module to be connected to regulate DC/DC switching frequency with the adjustable frequency interface of described DC/DC power module.
According to the embodiment of the present invention propose Vehicle Controller voltage-stabilizing power supply system 2 by setting suitable DC/DC magnitude of voltage, when power supply 1 (Vehicular accumulator cell) falls fast with Vehicle Controller heavy duty, can ensure that DC/DC exports and meet the requirement of 5V power supply input normal working voltage, module 3 is selected to realize the selection of DC/DC power module 4 switching frequency by DC/DC switching frequency, power supply 1 input fall fast with Vehicle Controller heavy duty time, can ensure DC/DC power module 4 export meet the requirement of Vehicle Controller 5V power module 5 normal working voltage.
Enforcement illustration shown in Fig. 2 is a kind of independent working mode, burning voltage can be provided for the 5V power module of all 5V power modules of Vehicle Controller or certain several Vehicle Controller simultaneously, a kind of embodiment of bypass operating mode can also be provided in addition, stable voltage requirements can be provided to independent 5V power module, as shown in Figure 3, a kind of Vehicle Controller voltage stabilizing power supplying circuit, comprise power supply 1, voltage-stabilizing power supply system 2, 5V power module 51, first counnter attack module 6 and the second counnter attack module 7, described voltage-stabilizing power supply system 2 comprises DC/DC power module 4 and DC/DC switching frequency selects module 3, described DC/DC power module 4 input is connected with described power supply 1, described DC/DC power module 4 output is connected with described 5V power module 51 input through described first counnter attack module 6, described DC/DC switching frequency selects module 3 to be connected to regulate DC/DC switching frequency with the adjustable frequency interface of described DC/DC power module 4, described power supply 1 is also connected with the input of described 5V power module 51 through described second counnter attack module 7.Under this kind of bypass operating mode, power supply output one tunnel is connected to the first counnter attack module 6 through DC/DC power module 4 output voltage, another road is that power supply 1 directly connects the second counnter attack module 7, and finally, counnter attack module 6 and counnter attack module 7 output-parallel are connected to the input of 5V power module 51.Utilize the parallel connectivity of the first counnter attack module 6 and the second counnter attack module 7, can allow this voltage stabilizing circuit work bypass mode, neither increase extra hardware development cost, the normal output of 5V power supply can be ensured again.
Two kinds of embodiments of the present invention, are not changing on existing vehicle-mounted power supply circuit construction basis, and this voltage-stabilizing power supply system 2 can independent working mode or bypass operating mode be powered to Vehicle Controller 5V power module 5, ensure that follow-up 5V power supply exports normal.
As shown in Figure 3, described first counnter attack module 6 and described second counnter attack module 7 are diode, the anode of described first counnter attack module 6 is connected with the output of described DC/DC power module 4, the negative electrode of described first counnter attack module 6 is connected with the input of described 5V power module 51, the anode of described first counnter attack module 7 is connected with described power supply 1, and the negative electrode of described second counnter attack module 7 is connected with the input of described 5V power module 51.Need to illustrate and be all, first counnter attack module 6 and the second counnter attack module 7 are diode in the present embodiment, but for extending to triode, MOSFET (mos field effect transistor) equally can form counnter attack module, play the same technique effect, within the protection range that they all should be included in the application, consider and adopt triode and MOSFET to need to use active counnter attack as counnter attack module, so not only cause circuit structure relative complex, take more PCB space, also device cost can be increased, so the counnter attack module that the preferred diode of the present embodiment is formed.
DC/DC switching frequency selects the switching frequency of the adjustable DC/DC of module 3, and be directly connected to DC/DC power module 4, DC/DC switching frequency and select the switching frequency selection range of the correspondence of module 3 to be 100kHz ~ 2MHz, preferred DC/DC switching frequency is 500kHz.
Further, described DC/DC power module 4 comprises DC/DC control chip, DC/DC topological structure, dividing potential drop networking and resonant earthed system, wherein said DC/DC control chip controls the break-make of described topological structure, described dividing potential drop networking connects the output of described topological structure for setting DC/DC electric power output voltage, described potential-divider network is also connected for DC/DC electric power output voltage of sampling with described DC/DC control chip, and described resonant earthed system is connected the stability for whole DC/DC power module with described DC/DC control chip.Wherein preferred DC/DC control chip has frequency-adjustable joint interface, and frequency-adjustable joint interface selects the control chip of module 3 for connecting DC/DC switching frequency.Wherein DC/DC topological structure can select Boost topological structure, and SEPIC topological structure or Buck-Boost topological structure, the present embodiment is Boost topological structure preferably.
Described dividing potential drop networking is for setting DC/DC electric power output voltage, in addition, this potential-divider network is as the feedback loop of DC/DC closed-loop control, for DC/DC electric power output voltage of sampling, consider that DC/DC output voltage generally can increase the factor such as anti-circnit NOT and DC/DC response speed, DC/DC output voltage should be set as more than 1.6 times of 5V power module output voltage, preferably 1.8 times.
In the present embodiment, described resonant earthed system is for compensating the phase margin and DC/DC response speed etc. of close loop control circuit, and to ensure that DC/DC working stability responds fast, concrete preferential network phase nargin is 50 °.
Below by specific embodiment, effect of the present invention is described, the voltage pattern that power supply as shown in Figure 4 falls, the parameter that this supply voltage falls takes from the ISO-16756-2 standard that automobile industry performs, it is the canonical parameter of the quick drop-off voltage of power supply in actual condition, without cell voltage U when falling
b=12V, quick drop-out time t
r=1ms, and battery drops to U
s=4.5V, meanwhile, according to the requirement of vehicle-mounted actual work temperature scope, Vehicle Controller 5V electrical source consumption current range I=20mA ~ 1A, DC/DC output voltage is set as 1.8 times of 5V, and namely 9V exports; Fig. 5 Vehicle Controller voltage stabilizing power supplying circuit of the present invention under Vehicle Controller minimum load (vehicle-mounted control 5V electrical source consumption electric current is 20mA) condition, the design sketch of voltage-stabilizing power supply system 2 output voltage; Fig. 6 Vehicle Controller voltage stabilizing power supplying circuit of the present invention under Vehicle Controller maximum load (Vehicle Controller 5V electrical source consumption electric current is 1A) condition, the design sketch of voltage-stabilizing power supply system 2 output voltage; By design sketch, can know that DC/DC output voltage is all far longer than 5V under above-mentioned two kinds of most severe conditions, for follow-up 5V supply voltage input provides sufficient surplus, low voltage starting supply voltage voltage can be solved very well and fall problem fast.
In addition, as shown in Figures 2 and 3, present invention also offers a kind of Vehicle Controller voltage stabilizing electric supply installation, described Vehicle Controller voltage stabilizing electric supply installation comprises Vehicle Controller voltage stabilizing power supplying circuit as above.
In describing the invention, it is to be appreciated that term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. a Vehicle Controller voltage stabilizing power supplying circuit, comprise power supply, voltage-stabilizing power supply system and Vehicle Controller 5V power module, described power supply is powered to described Vehicle Controller 5V power module by described voltage-stabilizing power supply system, it is characterized in that, described voltage-stabilizing power supply system comprises DC/DC power module and DC/DC switching frequency selects module, described DC/DC power module is connected with described power supply and described Vehicle Controller 5V power module respectively, described DC/DC switching frequency selects module to be connected to regulate DC/DC switching frequency with the adjustable frequency interface of described DC/DC power module.
2. a Vehicle Controller voltage stabilizing power supplying circuit, comprise power supply, voltage-stabilizing power supply system, 5V power module, first counnter attack module and the second counnter attack module, described voltage-stabilizing power supply system comprises DC/DC power module and DC/DC switching frequency selects module, described DC/DC power module input is connected with described power supply, described DC/DC power module outlet is connected with described 5V power module input through described first counnter attack module, described DC/DC switching frequency selects module to be connected to regulate DC/DC switching frequency with the adjustable frequency interface of described DC/DC power module, described power supply is also connected with the input of described 5V power module through described second counnter attack module.
3. Vehicle Controller voltage stabilizing power supplying circuit as claimed in claim 2, it is characterized in that described first counnter attack module and described second counnter attack module are diode, the anode of described first counnter attack module is connected with the output of described DC/DC power module, the negative electrode of described first counnter attack module is connected with the input of described 5V power module, the anode of described second counnter attack module is connected with described power supply, and the negative electrode of described second counnter attack module is connected with the input of described 5V power module.
4. the Vehicle Controller voltage stabilizing power supplying circuit as described in as arbitrary in claims 1 to 3, is characterized in that described DC/DC switching frequency selects the switching frequency selection range of the correspondence of module 3 to be 100kHz ~ 2MHz.
5. the steady voltage stabilizing power supplying circuit of Vehicle Controller as claimed in claim 4, is characterized in that described DC/DC switching frequency selects the switching frequency of the correspondence of module to be 500kHz.
6. the Vehicle Controller voltage stabilizing power supplying circuit as described in as arbitrary in claims 1 to 3, it is characterized in that described DC/DC power module comprises DC/DC control chip, DC/DC topological structure, dividing potential drop networking and resonant earthed system, the break-make of wherein said DC/DC control chip control topology structure, described dividing potential drop networking connects the output of described topological structure for setting DC/DC electric power output voltage, described potential-divider network is also connected for DC/DC electric power output voltage of sampling with described DC/DC control chip, described resonant earthed system is connected the stability for whole DC/DC power module with described DC/DC control chip.
7. Vehicle Controller voltage stabilizing power supplying circuit as claimed in claim 6, it is characterized in that described DC/DC control chip has frequency-adjustable joint interface, this frequency-adjustable joint interface connects DC/DC switching frequency and selects module.
8. Vehicle Controller voltage stabilizing power supplying circuit as claimed in claim 6, is characterized in that described DC/DC topological structure is Boost topological structure.
9. the Vehicle Controller voltage stabilizing power supplying circuit as described in as arbitrary in claim 2 and 3, is characterized in that output voltage that described DC/DC power module sets is not less than 1.6 times of described 5V power module output voltage values.
10. a Vehicle Controller voltage stabilizing electric supply installation, it is characterized in that comprising as arbitrary in claim 1-9 as described in Vehicle Controller voltage stabilizing power supplying circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510401873.8A CN104953822B (en) | 2015-07-10 | 2015-07-10 | Vehicle Controller voltage stabilizing power supplying circuit and Vehicle Controller voltage stabilizing supply electric installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510401873.8A CN104953822B (en) | 2015-07-10 | 2015-07-10 | Vehicle Controller voltage stabilizing power supplying circuit and Vehicle Controller voltage stabilizing supply electric installation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104953822A true CN104953822A (en) | 2015-09-30 |
| CN104953822B CN104953822B (en) | 2018-05-29 |
Family
ID=54168255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510401873.8A Active CN104953822B (en) | 2015-07-10 | 2015-07-10 | Vehicle Controller voltage stabilizing power supplying circuit and Vehicle Controller voltage stabilizing supply electric installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104953822B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111769751A (en) * | 2020-05-15 | 2020-10-13 | 海信（山东）空调有限公司 | Direct current power supply circuit and air conditioner |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1988349A (en) * | 2005-12-21 | 2007-06-27 | 株式会社日立制作所 | Bi-directional DC-DC converter and control method |
| CN102403891A (en) * | 2010-09-10 | 2012-04-04 | 欧姆龙汽车电子株式会社 | Dc-dc converter |
| CN203086228U (en) * | 2012-12-21 | 2013-07-24 | 上海大郡动力控制技术有限公司 | Auxiliary power supply system of power supply management module of electric equipment |
| CN203104012U (en) * | 2012-12-28 | 2013-07-31 | 昌辉汽车电气系统（安徽）有限公司 | Intelligent switch on/off power supply module for automobile |
| CN203103993U (en) * | 2012-12-05 | 2013-07-31 | 大连信开数码软件有限公司 | Vehicle power supply management system |
| CN203166892U (en) * | 2013-04-27 | 2013-08-28 | 惠州市德赛西威汽车电子有限公司 | Wireless audio reception apparatus used for vehicle system |
| CN104054248A (en) * | 2012-01-20 | 2014-09-17 | 飞思卡尔半导体公司 | DC/DC converter with step-down step-up cascade and method for operating it |
| CN204794687U (en) * | 2015-07-10 | 2015-11-18 | 广西师范大学 | Carbone controller steady voltage supply circuit and carbone controller steady voltage power supply unit |
-
2015
- 2015-07-10 CN CN201510401873.8A patent/CN104953822B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1988349A (en) * | 2005-12-21 | 2007-06-27 | 株式会社日立制作所 | Bi-directional DC-DC converter and control method |
| CN102403891A (en) * | 2010-09-10 | 2012-04-04 | 欧姆龙汽车电子株式会社 | Dc-dc converter |
| CN104054248A (en) * | 2012-01-20 | 2014-09-17 | 飞思卡尔半导体公司 | DC/DC converter with step-down step-up cascade and method for operating it |
| CN203103993U (en) * | 2012-12-05 | 2013-07-31 | 大连信开数码软件有限公司 | Vehicle power supply management system |
| CN203086228U (en) * | 2012-12-21 | 2013-07-24 | 上海大郡动力控制技术有限公司 | Auxiliary power supply system of power supply management module of electric equipment |
| CN203104012U (en) * | 2012-12-28 | 2013-07-31 | 昌辉汽车电气系统（安徽）有限公司 | Intelligent switch on/off power supply module for automobile |
| CN203166892U (en) * | 2013-04-27 | 2013-08-28 | 惠州市德赛西威汽车电子有限公司 | Wireless audio reception apparatus used for vehicle system |
| CN204794687U (en) * | 2015-07-10 | 2015-11-18 | 广西师范大学 | Carbone controller steady voltage supply circuit and carbone controller steady voltage power supply unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111769751A (en) * | 2020-05-15 | 2020-10-13 | 海信（山东）空调有限公司 | Direct current power supply circuit and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104953822B (en) | 2018-05-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9809126B2 (en) | Vehicle-mounted power source apparatus | |
| EP2160813B1 (en) | Motor vehicle power supply system | |
| EP3276787B1 (en) | On-board electrical system for motor vehicles comprising a converter and a high-load consumer | |
| JP2008510655A (en) | Automotive electrical system configuration using two bus structures | |
| CN108565959A (en) | A kind of Service Battery charging controller and method for caravan power supply | |
| JP2008509644A (en) | Automotive electrical system configuration | |
| CN103226369B (en) | Power circuit | |
| CN102801189A (en) | Rechargeable battery power supply starter and cell balancing apparatus | |
| US11476679B2 (en) | Dual voltage battery and method for operating the same | |
| CN115303206B (en) | Power management system, vehicle and power management method | |
| CN105705775A (en) | Ignition system and method for operating an ignition system | |
| CN204794687U (en) | Carbone controller steady voltage supply circuit and carbone controller steady voltage power supply unit | |
| CN105099178A (en) | Method and apparatus for controlling output voltage | |
| CN102088194A (en) | Module and method for stabilizing load voltage of vehicle | |
| CN104953822A (en) | Stable-voltage power supply circuit of vehicle-mounted controller and stable-voltage power supply device of vehicle-mounted controller | |
| CN103781668B (en) | Electric power apparatus for controlling of supply | |
| CN104838561A (en) | Electric circuit for motor vehicle | |
| CN104093604A (en) | Method of managing the electrical energy of a motor vehicle and motor vehicle implementing such a method | |
| CN108349448B (en) | Control device for an electric circuit with a series-connected converter and an electric energy store | |
| JP6173241B2 (en) | Power supply | |
| CN111262431B (en) | Boost control circuit and method for vehicle | |
| JP2014125117A (en) | Vehicular power supply device | |
| CN104670126B (en) | On-board charger having power supply management with automatic power transition | |
| CN104137381B (en) | The electric energy management method of motor vehicles electrical architecture and the associated vehicle of enforcement the method | |
| KR101774648B1 (en) | Apparatus for distributing Voltage of Low DC/DC Converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |