CN206759306U - A kind of entire car controller power circuit - Google Patents

A kind of entire car controller power circuit Download PDF

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Publication number
CN206759306U
CN206759306U CN201720330547.7U CN201720330547U CN206759306U CN 206759306 U CN206759306 U CN 206759306U CN 201720330547 U CN201720330547 U CN 201720330547U CN 206759306 U CN206759306 U CN 206759306U
Authority
CN
China
Prior art keywords
pin
electric capacity
entire car
car controller
power circuit
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.)
Expired - Fee Related
Application number
CN201720330547.7U
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Chinese (zh)
Inventor
刘军奇
朱认平
何弯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen OptimumNano Energy Co Ltd
Original Assignee
Shenzhen OptimumNano Energy Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to CN201720330547.7U priority Critical patent/CN206759306U/en
Application granted granted Critical
Publication of CN206759306U publication Critical patent/CN206759306U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of entire car controller power circuit, and it includes voltage reduction module.One external input voltage is converted into the operating voltage needed for each electronic load by the voltage reduction module, and it includes buck converter, the first electric capacity, fly-wheel diode and bleeder circuit.The bleeder circuit includes first resistor, second resistance and the 3rd resistor being sequentially connected in series between a voltage output end and an earth terminal.The buck converter includes the first pin, second pin, the 3rd pin and the 4th pin.First pin is electrically connected with an external voltage input, and the second pin electrically connects with the voltage output end, and the 3rd pin is electrically connected by first electric capacity with the second pin, and the 4th pin is grounded by the second resistance and the 3rd resistor.The plus earth of the fly-wheel diode, negative pole electrically connect with the second pin.The beneficial effects of the utility model are:Strengthen the antijamming capability of the entire car controller power circuit.

Description

A kind of entire car controller power circuit
【Technical field】
It the utility model is related to power circuit technical field, more particularly to a kind of entire car controller power circuit.
【Background technology】
Many electronic loads are mounted with present pure electric automobile, such as:Global positioning system (Global Positioning System, GPS), electric machine controller, DC-DC (Direct Current/Direct Current, DC/DC) converter, oil pump, air pump controller etc., these electronic loads can produce stronger electromagnetic interference signal when working.But The Electro Magnetic Compatibility of present entire car controller power circuit is bad, poor anti jamming capability, easily by the electricity of the electronic load The influence of magnetic disturbance signal, and then influence the overall performance of pure electric automobile.
In view of above drawback, is necessary to provide a kind of entire car controller power circuit in fact to overcome disadvantages described above.
【Utility model content】
The purpose of this utility model is to provide a kind of entire car controller power circuit, has stronger electromagnetism interference energy Power.
To achieve these goals, the utility model provides a kind of entire car controller power circuit, and it includes voltage reduction module. The voltage reduction module includes a buck converter, first electric capacity, a fly-wheel diode and a bleeder circuit.The partial pressure Circuit includes the first resistor, second resistance and the 3rd electricity being sequentially connected in series between a voltage output end and an earth terminal Resistance.The buck converter includes the first pin, second pin, the 3rd pin and the 4th pin.First pin and one it is external Voltage input end electrically connects, and the second pin electrically connects with the voltage output end, and the 3rd pin is by first electric capacity with being somebody's turn to do Second pin is electrically connected, and the 4th pin is grounded by the second resistance and the 3rd resistor.The positive pole of the fly-wheel diode connects Ground, negative pole electrically connect with the second pin.
In a preferred embodiment, the buck converter also includes the 5th pin, the 5th pin ground connection.
In a preferred embodiment, the voltage reduction module also includes first filter circuit.First filter circuit Including the first inductance, the second electric capacity and the 3rd electric capacity.The positive pole of the positive pole of second electric capacity and the 3rd electric capacity with this first Same one end electrical connection of inductance.The other end of first inductance is connected with the negative pole of the fly-wheel diode.Second electric capacity is born The negative pole of pole and the 3rd electric capacity is grounded.
In a preferred embodiment, the entire car controller power circuit also includes an electromagnetism interference module.Should Electromagnetism interference module electrically connects with the voltage reduction module, for filtering out electromagnetic interference signal caused by the plurality of electronic load.
In a preferred embodiment, the electromagnetism interference module includes a common mode inductance and second filtered electrical Road.Second filter circuit includes the first magnetic bead inductance, the second magnetic bead inductance, the 4th electric capacity and the 5th electric capacity.The common mode inductance Including first end, the second end, the 3rd end and the 4th end.The first end electrically connects with a power ground end, and second end passes through this Second magnetic bead inductance is grounded, and the 3rd end is electrically connected by the first magnetic bead inductance with first pin of the buck converter, 4th end electrically connects with the external voltage input.The positive pole of 4th electric capacity electrically connects with the first magnetic bead inductance, negative pole Ground connection.5th electric capacity is in parallel with the 4th electric capacity.
In a preferred embodiment, the entire car controller power circuit also includes a protection module, and it includes one Individual fuse.One end of the fuse electrically connects with the external voltage input, and the other end is electrically connected with the electromagnetism interference module Connect.
In a preferred embodiment, the protection module also includes a diode.The fuse passes through the diode Electrically connected with the electromagnetism interference module.
In a preferred embodiment, the protection module also includes a Transient Suppression Diode.The transient state suppresses two The positive pole of pole pipe is connected with the power ground end, and negative pole electrically connects with the negative pole of the diode.
In a preferred embodiment, the protection module also includes the 3rd filter circuit.3rd filter circuit Including the second inductance, the 6th electric capacity and the 7th electric capacity.The negative pole of the diode suppresses two poles by second inductance and the transient state The negative pole electrical connection of pipe.The positive pole of 6th electric capacity electrically connects with the negative pole of the Transient Suppression Diode, negative pole ground connection.7th Electric capacity and the transient voltage suppressor paralleling.
Compared with prior art, a kind of beneficial effect of entire car controller power circuit provided by the utility model is: The antijamming capability and Electro Magnetic Compatibility of the entire car controller power circuit can be strengthened.
【Brief description of the drawings】
Fig. 1 is the circuit diagram of the utility model entire car controller power circuit.
【Embodiment】
In order that the purpose of this utility model, technical scheme and advantageous effects become apparent from understanding, below in conjunction with attached Figure and embodiment, the utility model is further elaborated.It should be appreciated that described in this specification Embodiment is not intended to limit the utility model just for the sake of explaining the utility model.
As shown in figure 1, a kind of entire car controller power circuit 100 provided by the utility model, for multiple Electronic Negatives Carry (such as global positioning system, electric machine controller, oil pump, air pump controller etc.) and power supply is provided.Entire car controller power supply electricity Road 100 includes voltage reduction module 10, electromagnetism interference module 20 and protection module 30.
The voltage reduction module 10 is used to for an external input voltage to be converted into the work electricity required for each electronic load Press Vout (such as 7 volts).The voltage reduction module 10 includes buck converter U1, the first filter circuit, bleeder circuit, the first electric capacity C1 And sustained diode 1.
Buck converter U1 is automotive grade chip, and it includes the first pin 1, second pin 2, the 3rd pin the 3, the 4th and drawn The pin 5 of pin 4 and the 5th.First pin 1 is control source (VIN) pin.The second pin 2 is phase (PH) pin.This Three pins 3 are startup (BOOT) pin.4th pin 4 is that overvoltage protection detects (VSENSE) pin.5th pin 5 is to connect Ground (GND) pin.
First filter circuit includes the first inductance L1, the second electric capacity C2 and the 3rd electric capacity C3.Second electric capacity C2 is just The same one end of pole and the 3rd electric capacity C3 positive pole with the first inductance L1 electrically connects, and first inductance L1 other end is with being somebody's turn to do The negative pole connection of sustained diode 1.The negative pole and the 3rd electric capacity C3 of the positive pole of the sustained diode 1, second electric capacity C2 Negative pole be grounded.
The bleeder circuit includes first be sequentially connected in series between a voltage output end Vout and an earth terminal GND Resistance R1, second resistance R2 and 3rd resistor R3.Voltage output end Vout is used for the plurality of electronic load output voltage.Should First resistor R1 electrically connects with voltage output end Vout.Second resistance R2 both ends respectively with first resistor R1 and this Three resistance R3 are electrically connected.3rd resistor R3 one end electrically connects with second resistance R2, other end ground connection.
First pin 1 passes through the electromagnetism interference module 20 and the protection module 30 and an external voltage input Vin is electrically connected.The external voltage input Vin electrically connects with an external power supply, for receiving power supply signal.The second pin 2 electrically connect with the negative pole of the sustained diode 1.3rd pin 3 is electrically connected by the first electric capacity C1 with the second pin 2. First electric capacity C1 is boost capacitor, for raising voltage.4th pin 4 passes through second resistance R2 and 3rd resistor R3 Ground connection.5th pin 5 is grounded.First resistor R1, second resistance R2 and 3rd resistor R3 play a part of partial pressure, use In the 4th pin 4 that voltage signal is fed back to buck converter U1.The effect of the sustained diode 1 is afterflow.When this During the output voltage cut-off of second pin 2, first inductance L1 electric current can not be mutated, therefore pass through the sustained diode 1 Form loop.
In the present embodiment, first electric capacity C1 is conventional capacitive, and capacitance is smaller.The second electric capacity C2 and the 3rd Electric capacity C3 is electrochemical capacitor, and capacitance is bigger.
The electromagnetism interference module 20 electrically connects with the voltage reduction module 10, for filtering out caused by the plurality of electronic load Electromagnetic interference signal.The electromagnetism interference module 20 includes common mode inductance L0 and the second filter circuit.The second filter circuit bag Include the first magnetic bead inductance L2, the second magnetic bead inductance L3, the 4th electric capacity C4 and the 5th electric capacity C5.The first magnetic bead inductance L2 with this Two magnetic bead inductance L3 are porous magnetic bead inductor, belong to electromagnetism interference element.Common mode inductance L0, the first magnetic bead inductance L2 And the second magnetic bead inductance L3 is used to suppress impurity ripple caused by the entire car controller power circuit 100 to the plurality of electronics The electromagnetic interference of load.In the present embodiment, common mode inductance L0 model is BQS121006-4T-401T, the 4th electric capacity C4 is electrochemical capacitor, and capacitance is bigger;5th electric capacity C5 is conventional capacitive, and capacitance is smaller.
Common mode inductance L0 belongs to electromagnetism interference element, and it is made up of two inductance that can be interacted, and including First end a, the second end b, the 3rd end c and the 4th end d.First end a electrically connects with a power ground end VGND, second end b It is grounded by the second magnetic bead inductance L3, the 3rd end c passes sequentially through the first magnetic bead inductance L2 and the 4th electric capacity C4 ground connection, 4th end d electrically connects with the protection circuit 10.4th electric capacity C4 positive pole electrically connects with the first magnetic bead inductance L2, and this Four electric capacity C4 negative pole ground connection.First pin 1 of 4th electric capacity C4 positive pole simultaneously also with buck converter U1 is electrically connected Connect.5th electric capacity C5 is in parallel with the 4th electric capacity C4.
The protection module 30 electrically connects with the electromagnetism interference module 20, and it includes fuse F1, diode VD1, transient state Suppress diode DZ1 and the 3rd filter circuit.Fuse F1 is used for the electric current mistake when the entire car controller power circuit 100 Greatly, fused, to protect other elements without damage.Diode VD1 has a function of one-way conduction, forward conduction, instead To by for preventing the reverse power connection of the entire car controller power circuit 100.Transient Suppression Diode DZ1 is used to suppress Transient surge voltage caused by voltage input end Vin, other components are protected not impacted and damaged by pulse voltage.3rd Filter circuit includes the second inductance L4, the 6th electric capacity C6 and the 7th electric capacity C7.6th electric capacity C6 is electrochemical capacitor, capacitance ratio It is larger.7th electric capacity C7 is conventional capacitive, and capacitance is smaller.
Diode VD1 positive pole is connected by resistance wire F1 with voltage input end Vin.Diode VD1's is negative Pole is connected by the second inductance L4 with Transient Suppression Diode DZ1 negative pole.Diode VD1 negative pole also with the common mode Inductance L0 the 4th end d electrical connections.Transient Suppression Diode DZ1 positive pole is connected with power ground end VGND.This Six electric capacity C6 positive pole is connected with Transient Suppression Diode DZ1 negative pole, the 6th electric capacity C6 negative pole ground connection.7th electricity The both ends for holding C7 electrically connect with the Transient Suppression Diode DZ1 positive pole and negative pole respectively.
When the entire car controller power circuit 100 is operated, first filter circuit, the second filter circuit and this Three filter circuits carry out high frequency and low frequency filtering, to filter out impurity ripple caused by the plurality of electronic load to the entire car controller The electromagnetic interference of power circuit 100;Transient Suppression Diode DZ1 suppresses transient pulse electricity caused by voltage input end Vin Press the interference to other electronic components in the entire car controller power circuit;Common mode inductance L0, the first magnetic bead inductance L2 and should Second magnetic bead inductance L3 suppresses electromagnetic interference signal (such as high-frequency noise, the point of common mode in the entire car controller power circuit 100 Peak disturbs and electrostatic pulse) to the electromagnetic interference of the plurality of electronic load;Buck converter U1 possesses anti-pulse voltage interference Ability, the Electro Magnetic Compatibility of the full-vehicle control power circuit 100 is integrally improved, so as to stablize entire car controller power supply electricity The supply voltage on road 100.
In other embodiments, the electromagnetism interference module 20 and the protection module 30, the electric pressure converter can also be saved U1 the first pin directly electrically connects with external voltage input Vin.
In other embodiments, the electromagnetic interference module 20 also can be only saved, then electric pressure converter U1 the first pin 1 Negative pole directly with Transient Suppression Diode DZ1 electrically connects.
In other embodiments, the protection module 30 also can be only saved, then the first magnetic bead inductance L2 the 4th pin d is straight Connect and electrically connected with external voltage input Vin.
In other embodiments, can also save first filter circuit, then the second pin 2 directly with first resistor R1 Electrical connection.
A kind of entire car controller power circuit 100 provided by the utility model, entire car controller power supply electricity can be strengthened The antijamming capability and Electro Magnetic Compatibility on road;The caused impurity ripple of the entire car controller power circuit can also be suppressed simultaneously To the electromagnetic interference of the plurality of electronic load, so as to effectively improve the overall performance of pure electric automobile.
The utility model is not restricted to described in specification and embodiment, therefore for the personnel of familiar field For additional advantage and modification is easily achieved, therefore in the universal limited without departing substantially from claim and equivalency range Spirit and scope in the case of, the utility model is not limited to specific details, representational equipment and shown here as with retouching The examples shown stated.

Claims (9)

1. a kind of entire car controller power circuit, the entire car controller power circuit includes voltage reduction module, it is characterised in that the drop Die block includes a buck converter, first electric capacity, a fly-wheel diode and a bleeder circuit;The bleeder circuit Including first resistor, second resistance and the 3rd resistor being sequentially connected in series between a voltage output end and an earth terminal;Should Buck converter includes the first pin, second pin, the 3rd pin and the 4th pin;First pin and an external voltage are defeated Enter end electrical connection, the second pin electrically connected with the voltage output end, and the 3rd pin second is drawn by first electric capacity with this Pin is electrically connected, and the 4th pin is grounded by the second resistance and the 3rd resistor;The plus earth of the fly-wheel diode, negative pole Electrically connected with the second pin.
2. entire car controller power circuit as claimed in claim 1, it is characterised in that:The buck converter also draws including the 5th Pin, the 5th pin ground connection.
3. entire car controller power circuit as claimed in claim 1, it is characterised in that:The voltage reduction module also includes one first Filter circuit, first filter circuit include the first inductance, the second electric capacity and the 3rd electric capacity, the positive pole of second electric capacity and this The positive pole of three electric capacity electrically connects with same one end of first inductance;The other end of first inductance is negative with the fly-wheel diode Pole connects;The negative pole of the negative pole of second electric capacity and the 3rd electric capacity is grounded.
4. entire car controller power circuit as claimed in claim 3, it is characterised in that:The entire car controller power circuit also wraps An electromagnetism interference module is included, the electromagnetic interference module electrically connects with the voltage reduction module, for filtering out the plurality of electronic load Caused electromagnetic interference signal.
5. entire car controller power circuit as claimed in claim 4, it is characterised in that:The electromagnetism interference module includes one Common mode inductance and second filter circuit, second filter circuit include the first magnetic bead inductance, the second magnetic bead inductance, the 4th electricity Appearance and the 5th electric capacity;The common mode inductance includes first end, the second end, the 3rd end and the 4th end;The first end and a power ground End electrical connection, second end are grounded by the second magnetic bead inductance, and the 3rd end is become by the first magnetic bead inductance and the decompression First pin electrical connection of parallel operation, the 4th end electrically connects with the external voltage input;The positive pole of 4th electric capacity is with being somebody's turn to do First magnetic bead inductance electrically connects, negative pole ground connection;5th electric capacity is in parallel with the 4th electric capacity.
6. entire car controller power circuit as claimed in claim 5, it is characterised in that:The entire car controller power circuit also wraps A protection module is included, it includes a fuse;One end of the fuse electrically connects with the voltage input end, and the other end is with being somebody's turn to do Electromagnetism interference module electrically connects.
7. entire car controller power circuit as claimed in claim 6, it is characterised in that:The protection module also includes two poles Pipe, the fuse are electrically connected by the diode with the electromagnetism interference module.
8. entire car controller power circuit as claimed in claim 7, it is characterised in that:The protection module also includes a transient state Suppress diode, the positive pole of the Transient Suppression Diode is connected with the power ground end, the negative pole of the Transient Suppression Diode and The negative pole electrical connection of the diode.
9. entire car controller power circuit as claimed in claim 8, it is characterised in that:The protection module also includes one the 3rd Filter circuit, the 3rd filter circuit include the second inductance, the 6th electric capacity and the 7th electric capacity;The negative pole of the diode by this Two inductance electrically connect with the negative pole of the Transient Suppression Diode;The positive pole of 6th electric capacity and the negative pole of the Transient Suppression Diode Electrical connection, the negative pole ground connection of the 6th electric capacity;7th electric capacity and the transient voltage suppressor paralleling.
CN201720330547.7U 2017-03-31 2017-03-31 A kind of entire car controller power circuit Expired - Fee Related CN206759306U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720330547.7U CN206759306U (en) 2017-03-31 2017-03-31 A kind of entire car controller power circuit

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Application Number Priority Date Filing Date Title
CN201720330547.7U CN206759306U (en) 2017-03-31 2017-03-31 A kind of entire car controller power circuit

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109067156A (en) * 2018-08-03 2018-12-21 湖南兴天电子科技有限公司 A kind of multifunctional high-voltage power supply input protection circuit applied to underwater equipment
CN109470919A (en) * 2018-12-12 2019-03-15 绵阳市维博电子有限责任公司 A kind of High-accuracy direct current electric energy meter
CN110048309A (en) * 2019-06-05 2019-07-23 新立科技股份有限公司 A kind of negative ion generating circuit
CN110456132A (en) * 2019-08-20 2019-11-15 杭州和利时自动化有限公司 A kind of current collecting device and dcs
CN111030444A (en) * 2018-10-09 2020-04-17 西安智盛锐芯半导体科技有限公司 Power supply circuit
CN112737311A (en) * 2020-12-21 2021-04-30 中国北方发动机研究所(天津) Filter circuit

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109067156A (en) * 2018-08-03 2018-12-21 湖南兴天电子科技有限公司 A kind of multifunctional high-voltage power supply input protection circuit applied to underwater equipment
CN109067156B (en) * 2018-08-03 2020-07-31 湖南兴天电子科技有限公司 Multifunctional high-voltage power supply input protection circuit applied to underwater equipment
CN111030444A (en) * 2018-10-09 2020-04-17 西安智盛锐芯半导体科技有限公司 Power supply circuit
CN109470919A (en) * 2018-12-12 2019-03-15 绵阳市维博电子有限责任公司 A kind of High-accuracy direct current electric energy meter
CN110048309A (en) * 2019-06-05 2019-07-23 新立科技股份有限公司 A kind of negative ion generating circuit
CN110456132A (en) * 2019-08-20 2019-11-15 杭州和利时自动化有限公司 A kind of current collecting device and dcs
CN110456132B (en) * 2019-08-20 2021-06-29 杭州和利时自动化有限公司 Current acquisition device and distributed control system
CN112737311A (en) * 2020-12-21 2021-04-30 中国北方发动机研究所(天津) Filter circuit

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Termination date: 20190331