CN106166990A - A kind of startup power circuit - Google Patents
A kind of startup power circuit Download PDFInfo
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- CN106166990A CN106166990A CN201610709418.9A CN201610709418A CN106166990A CN 106166990 A CN106166990 A CN 106166990A CN 201610709418 A CN201610709418 A CN 201610709418A CN 106166990 A CN106166990 A CN 106166990A
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- storage battery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
Abstract
The invention discloses a kind of startup power circuit, including: microcontroller, voltage detecting circuit, internal resistance detection circuit and gate-controlled switch circuit, when installing automobile storage battery in automobile, the present invention can detect the internal resistance of automobile storage battery, storage battery electricity and storage battery health status, and, microcontroller, also by controlling gate-controlled switch circuit turn-on, makes automobile energy storage element output starting current start automobile.It can thus be appreciated that, startup power circuit disclosed by the invention has the function starting automobile with detection automobile storage battery parameter simultaneously, therefore, when automobile storage battery cannot provide starting current, the present invention can also detect the relevant parameter of automobile storage battery while providing starting current, realize the detection to automobile storage battery fault, thus efficiently solve existing artificial investigation fault and waste time and energy, investigate inefficient problem.
Description
Technical field
The present invention relates to automobile technical field, in particular, relate to a kind of startup power circuit.
Background technology
Automobile storage battery, also known as automobile storage battery, can provide powerful startup electricity when vehicle launch electromotor to electromotor
Stream.When automobile storage battery causes cannot providing starting current for vehicle for some reason, automobile starting power supply will replace vapour
Automobile is carried out starting sparking by automobile battery.
Automobile storage battery cannot provide the reason of starting current to have multiple for vehicle, and such as, automobile storage battery electricity is not enough, automobile
The health status of storage battery goes wrong, it is generally required to relevant maintainer investigates breaking down of automobile storage battery in prior art
Reason, troubleshooting procedure wastes time and energy, and investigation efficiency is low.
Summary of the invention
In view of this, the open one of the present invention starts power circuit, former to solve existing artificial investigation automobile storage battery fault
Cause, wastes time and energy and investigates inefficient problem.
A kind of startup power circuit, including:
Microcontroller, has multiple signals collecting port and multiple signal controls port；
The voltage detecting circuit that input is connected with automobile storage battery anode, the outfan of described voltage detecting circuit is with described
The voltage signal acquisition port of microcontroller connects, described voltage signal acquisition port for gather automobile not actuated time automobile
Automobile storage battery voltage when battery voltage and automobile starting, wherein, described voltage signal acquisition port is that the plurality of signal is adopted
In collection port one；
Input is connected with described automobile storage battery anode, and earth terminal connects the internal resistance detection circuit of automobile storage battery negative terminal, institute
The outfan stating internal resistance detection circuit connects the current signal collection port of described microcontroller, and described current signal gathers port
Electric current during for gathering automobile storage battery electric discharge, wherein, it is the plurality of signals collecting port that described current signal gathers port
In one；
Input is connected with the common port of automobile energy storage element and described microcontroller, and outfan is with described automobile storage battery just
The gate-controlled switch circuit that end connects, the end that controls of described gate-controlled switch circuit connects the first signal control end of described microcontroller
Mouthful, described first signal controls port for exporting the conductivity control signal controlling described gate-controlled switch circuit turn-on, wherein, institute
State the first signal controlling port is in the plurality of signal control port；
The secondary signal of described microcontroller controls port and is used for when described microcontroller detects described automobile storage battery,
Export described microcontroller according to automobile storage battery electricity when described automobile automobile storage battery voltage time not actuated, described automobile starting
The internal resistance of described automobile storage battery, storage battery electricity and the storage battery health status that pressure and described electric current obtain, wherein, described secondary signal
Controlling port is in the plurality of signal control port.
Preferably, also include:
Control port with described secondary signal to be connected, for healthy to described internal resistance, described storage battery electricity and described storage battery
Situation carries out the display circuit shown.
Preferably, described voltage detecting circuit includes: the first dividing potential drop branch road, the second dividing potential drop branch road and the first capacitor；
One end of described first dividing potential drop branch road connects described automobile storage battery anode, and the other end of described first dividing potential drop branch road leads to
Cross described second dividing potential drop branch road and connect earth terminal；
Described first capacitor is connected in the two ends of described second dividing potential drop branch road in parallel, described first dividing potential drop branch road, described
The common port of the second dividing potential drop branch road and described first capacitor connects described voltage signal acquisition port.
Preferably, described gate-controlled switch circuit includes: relay, diode, the first switching tube, the first resistance and the second electricity
Resistance；
One end of the normally opened contact of described relay connects automobile energy storage element anode, and the other end of described normally opened contact is even
Connecing described automobile storage battery anode, one end of the coil of described relay connects described automobile energy storage element anode, described coil
The other end connects the input of described first switching tube, and wherein, automobile energy storage element negative terminal is connected with described automobile storage battery negative terminal；
The control end of described first switching tube connects described first signal by described first resistance and controls port, and described the
The outfan of one switching tube connects earth terminal by described second resistance；
The anode of described diode connects described coil and the common port of described first switching tube, the negative electrode of described diode
Connect described automobile energy storage element anode.
Preferably, described first switching tube is metal-oxide-semiconductor.
Preferably, described gate-controlled switch circuit includes: second switch pipe, the 3rd switching tube, the 3rd resistance and the 4th resistance；
The control end of described second switch pipe connects described first signal by described 3rd resistance and controls port, and described the
The input of two switching tubes is connected with the input of described 3rd switching tube, and the outfan of described second switch pipe connects automobile storage
Can element negative terminal；
The control end of described 3rd switching tube connects described first signal by described 4th resistance and controls port, and described the
The outfan of three switching tubes connects described automobile storage battery negative terminal, wherein, automobile energy storage element anode and described automobile storage battery anode
Connect.
Preferably, described internal resistance detection circuit includes: the 5th resistance, the 4th switching tube and the 6th resistance；
One end of described 5th resistance connects described automobile storage battery anode, and the other end of described 5th resistance connects described the
The input of four switching tubes, the outfan of described 4th switching tube connects described automobile storage battery negative terminal by described 6th resistance,
The common port of described 4th switching tube connects the Enable Pin of described microcontroller, described 4th switching tube and described 6th resistance
Common port connects described current signal collection port as the outfan of described internal resistance detection circuit.
Preferably, also include: be connected in series in the 7th resistance between described Enable Pin and described 4th switching tube.
Preferably, also including: current-limiting resistance, one end of described current-limiting resistance connects described current signal and gathers port, institute
The other end stating current-limiting resistance connects described 4th switching tube and the common port of described 6th resistance.
Preferably, also including: the second capacitor, one end of described second capacitor connects described current-limiting resistance and described micro-
The common port of controller, the other end of described second capacitor connects earth terminal.
Knowable to above-mentioned technical scheme, the invention discloses a kind of startup power circuit, including: microcontroller, voltage
Testing circuit, internal resistance detection circuit and gate-controlled switch circuit, when installing automobile storage battery in automobile, the present invention can detect automobile
The internal resistance of storage battery, storage battery electricity and storage battery health status, and, microcontroller also by control gate-controlled switch circuit turn-on,
Automobile energy storage element output starting current is made to start automobile.It follows that startup power circuit disclosed by the invention has simultaneously
Starting automobile and the function of detection automobile storage battery parameter, therefore, when automobile storage battery cannot provide starting current, the present invention is carrying
For the relevant parameter of automobile storage battery can also be detected while starting current, it is achieved the detection to automobile storage battery fault, thus have
Effect solves existing artificial investigation fault to be wasted time and energy, investigates inefficient problem.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to
Disclosed accompanying drawing obtains other accompanying drawing.
Fig. 1 is a kind of circuit diagram starting power circuit disclosed in the embodiment of the present invention；
Fig. 2 is the another kind of circuit diagram starting power circuit disclosed in the embodiment of the present invention；
Fig. 3 is the circuit diagram of a kind of voltage detecting circuit disclosed in the embodiment of the present invention；
Fig. 4 is the circuit diagram of a kind of gate-controlled switch circuit disclosed in the embodiment of the present invention；
Fig. 5 is the circuit diagram of another kind of gate-controlled switch circuit disclosed in the embodiment of the present invention；
Fig. 6 is the circuit diagram of a kind of internal resistance detection circuit disclosed in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
The embodiment of the invention discloses a kind of power circuit that starts, former to solve existing artificial investigation automobile storage battery fault
Cause, wastes time and energy and investigates inefficient problem.
Seeing Fig. 1, a kind of circuit diagram starting power circuit disclosed in the embodiment of the present invention, this circuit includes: microcontroller
Device U1, voltage detecting circuit 11, internal resistance detection circuit 12 and gate-controlled switch circuit 13.
Wherein:
Microcontroller U1, has multiple signals collecting port and multiple signal controls port.
The input of voltage detecting circuit 11 is connected with automobile storage battery anode KAR+, the outfan of voltage detecting circuit 11 with
The voltage signal acquisition port of microcontroller U1 connects, voltage signal acquisition port for gather automobile not actuated time automobile electricity
Automobile storage battery voltage when bottle voltage and automobile starting, wherein, voltage signal acquisition port is multiple signals of microcontroller U1
Gather in port.
The input of internal resistance detection circuit 12 is connected with automobile storage battery anode KAR+, and the earth terminal of internal resistance detection circuit 12 is even
Meeting automobile storage battery negative terminal KAR-, the outfan of internal resistance detection circuit 12 connects the current signal of microcontroller U1 and gathers port, electricity
Stream signals collecting port is for gathering electric current when automobile storage battery 10 discharges, and wherein, it is microcontroller that current signal gathers port
In multiple signals collecting ports of U1 one.
The input of gate-controlled switch circuit 13 is connected with the common port of automobile energy storage element 20 and microcontroller U1, controlled opens
The outfan closing circuit 13 is connected with automobile storage battery anode KAR+, and the end that controls of gate-controlled switch circuit 13 connects microcontroller U1's
First signal controls port, and the first signal controls port and controls letter for exporting the conducting controlling gate-controlled switch circuit 13 conducting
Number, wherein, the first signal controls multiple signals that port is microcontroller U1 and controls in port.
The secondary signal of microcontroller U1 controls port and is used for when microcontroller U1 detects automobile storage battery 10, exports micro-
Controller U1 is according to automobile storage battery voltage when automobile automobile storage battery voltage time not actuated, automobile starting and internal resistance detection circuit
The internal resistance of automobile storage battery 10, storage battery electricity and the storage battery health status that the electric current of 12 outputs obtains, wherein, secondary signal controls end
Mouth is that multiple signals of microcontroller U1 control in port.
It should be noted that when microcontroller U1 is not detected by automobile storage battery or the pressure drop rate of electric car storage battery detected
Not less than also generating conductivity control signal during scheduled rate, turn on controlling gate-controlled switch circuit 13.
For convenience of understanding, for the operation principle of startup power circuit, it is specifically described as follows:
Start power circuit to need in actual applications to be connected with automobile energy storage element 20.
Be fitted without in microcontroller U1 detects current automobile automobile storage battery 10 (i.e. voltage detecting circuit 11 export to
The voltage of microcontroller U1 is zero), or microcontroller U1 detect automobile storage battery 10 start automobile time (automobile storage battery 10
Pressure drop rate is not less than scheduled rate) time, microcontroller U1 turns on by controlling gate-controlled switch circuit 13, makes automobile energy storage element
20 output starting currents start automobile.
If it should be noted that turning on gate-controlled switch circuit 13, automobile storage battery 10 when installing automobile storage battery 10 in automobile
To be connected in parallel with automobile energy storage element 20, and output starting current will start automobile jointly.
Meanwhile, when installing after automobile storage battery 10 in automobile, microcontroller can detect automobile storage battery 10 internal resistance,
Storage battery electricity and storage battery health status, detection process is specific as follows:
It is assumed that when automobile is not actuated, voltage detecting circuit 11 detects that automobile storage battery voltage is V1, during automobile starting
Automobile storage battery voltage is V2, the electric current flowing through automobile storage battery 10 during automobile starting is I0；
The then internal resistance R '=(V of automobile storage battery 101-V2)/I0。
The storage battery electricity CCA=(V of automobile storage battery 101-7.2)*0.7/R′。
Storage battery health status SOH=(CCA*CCA)/(CCA1*CCA1) * 100% of automobile storage battery 10, wherein, CCA1 is
Automobile storage battery 10 completely newly expires the CCA value that electricity is nominal, and CCA1 value is set by instructing to microcontroller U1 input by user.
In summary, startup power circuit disclosed by the invention, when installing automobile storage battery 10 in automobile, can detect vapour
The internal resistance of automobile battery 10, storage battery electricity and storage battery health status, and, microcontroller U1 can also be by controlling gate-controlled switch electricity
Road 13 turns on, and makes automobile energy storage element 20 export starting current and starts automobile.It follows that startup power supply disclosed by the invention is electric
Road has the function starting automobile with detection automobile storage battery parameter simultaneously, therefore, when automobile storage battery cannot provide starting current,
The present invention can also detect the relevant parameter of automobile storage battery 10 while providing starting current, it is achieved to automobile storage battery 10 fault
Detection, thus efficiently solve existing artificial investigation fault and waste time and energy, investigate inefficient problem.
For optimizing above-described embodiment further, see Fig. 2, the disclosed electricity starting power circuit of another embodiment of the present invention
Lu Tu, on the basis of embodiment described in Fig. 1, also includes: display circuit 14；
The secondary signal of display circuit 14 and microcontroller U1 controls port and is connected, be used for the internal resistance to automobile storage battery 10,
Storage battery electricity and storage battery health status show.
Wherein, the internal resistance of automobile storage battery 10, storage battery electricity and storage battery health status can inform user with the form of voice,
Now, it is only necessary to the secondary signal of microcontroller U1 is controlled port and is connected with phonetic alarm.
For optimizing above-described embodiment further, see Fig. 3, the electricity of a kind of voltage detecting circuit disclosed in the embodiment of the present invention
Lu Tu, voltage detecting circuit includes: the first dividing potential drop branch road, the second dividing potential drop branch road and the first capacitor C1；
One end of described first dividing potential drop branch road connects automobile storage battery anode KAR+, and the other end of described first dividing potential drop branch road leads to
Cross described second dividing potential drop branch road and connect earth terminal；
First capacitor C1 is connected in the two ends of described second dividing potential drop branch road in parallel, described first dividing potential drop branch road, described
The common port of two dividing potential drop branch roads and the first capacitor C1 connects the voltage signal acquisition port VIN_SN of microcontroller U1, microcontroller
Device U1 obtains the voltage of automobile storage battery 10 by reading the voltage at common port.
Concrete, common port is connected with the ADC (analog-digital converter) within microcontroller U1.
Wherein, the first dividing potential drop branch road can include a resistance (the such as R11 shown in Fig. 3) or multiple be connected in series
Resistance, equally, the second dividing potential drop branch road can include a resistance (the such as R12 shown in Fig. 3) or multiple be connected in series
Resistance.
For optimizing above-described embodiment further, see Fig. 4, the electricity of a kind of gate-controlled switch circuit disclosed in the embodiment of the present invention
Lu Tu, gate-controlled switch circuit includes: relay K 1, diode D1, the first switching tube Q1, the first resistance R1 and the second resistance R2.
Wherein, one end of the normally opened contact of relay K 1 connects automobile energy storage element anode B+, described normally opened contact another
One end connects automobile storage battery anode KAR+, and one end of the coil of relay K 1 connects automobile energy storage element anode B+, described coil
The other end connect the input of described first switching tube Q1, wherein, automobile energy storage element negative terminal B-and described automobile storage battery are born
End KAR-(not shown) connects；
First switching tube Q1 controls the first signal control port ON/ that end connects microcontroller U1 by the first resistance R1
OFF, the outfan of the first switching tube Q1 connects earth terminal by the second resistance R2；
The anode of diode D1 connects described coil and the common port of the first switching tube Q1, and the negative electrode of diode D1 connects vapour
Car energy-storage travelling wave tube anode B+.
The operation principle of gate-controlled switch circuit is:
When first signal of microcontroller U1 controls port ON/OFF output high level, 2 feet and 3 of the first switching tube Q1
Foot turns on, and the coil of relay K 1 has electric current to flow through, and makes the normally opened contact of relay K 1 close, i.e. 1 foot of relay K 1 and 2 feet
Conducting；When first signal of microcontroller U1 controls port ON/OFF output low level, the first switching tube Q1 turns off, relay
The coil losing electricity of K1, the normally opened contact of relay K 1 disconnects.
Preferably, the first switching tube Q1 is metal-oxide-semiconductor.
For optimizing above-described embodiment further, see Fig. 5, a kind of gate-controlled switch circuit disclosed in another embodiment of the present invention
Circuit diagram, gate-controlled switch circuit includes: second switch pipe Q2, the 3rd switching tube Q3, the 3rd resistance R3 and the 4th resistance R4；
Wherein, the end that controls of second switch pipe Q2 controls end by first signal of the 3rd resistance R3 connection microcontroller U1
The input of mouth ON/OFF, second switch pipe Q2 and the input of the 3rd switching tube Q3 connect, the outfan of second switch pipe Q2
Connect automobile energy storage element negative terminal B-；
3rd switching tube Q3 controls the first signal control port ON/ that end connects microcontroller U1 by the 4th resistance R4
The outfan of OFF, the 3rd switching tube Q3 connects automobile storage battery negative terminal KAR-, wherein, automobile energy storage element anode B+ and automobile electricity
Bottle anode KAR+ connects.
The operation principle of gate-controlled switch circuit is:
When first signal of microcontroller U1 controls port ON/OFF output high level, second switch pipe Q2 and the 3rd opens
Closing pipe Q3 to simultaneously turn on, automobile energy storage element 20 exports starting current to automobile；When the first signal as microcontroller U1 controls
During port ON/OFF output low level, second switch pipe Q2 and the 3rd switching tube Q3 simultaneously turns off.
Preferably, second switch pipe Q2 and the 3rd switching tube Q3 can be NMOS tube, or is PMOS.
For optimizing above-described embodiment further, see Fig. 6, the knot of a kind of internal resistance detection circuit disclosed in the embodiment of the present invention
Structure schematic diagram, internal resistance detection circuit includes: the 5th resistance R5, the 4th switching tube Q4 and the 6th resistance R6；
One end of 5th resistance R5 connects the other end of automobile storage battery anode KAR+, the 5th resistance R5 and connects the 4th switching tube
The input of Q4, the outfan of the 4th switching tube Q4 connects automobile storage battery negative terminal KAR-, the 4th switching tube by the 6th resistance R6
The common port of Q4 connects Enable Pin TEST_EN of microcontroller U1, the 4th switching tube Q4 and the common port conduct of the 6th resistance R6
The outfan of described internal resistance detection circuit connects the current signal of microcontroller U1 and gathers port KAR_I.
For optimizing above-described embodiment further, internal resistance detection circuit can also include:
It is connected in series in the 7th resistance R7 between Enable Pin TEST_EN and the 4th switching tube Q4.
For optimizing above-described embodiment further, internal resistance detection circuit can also include: current-limiting resistance R8；
One end of current-limiting resistance R8 connects current signal and gathers the other end connection the 4th of port KAR_I, current-limiting resistance R8
Switching tube Q4 and the common port of the 6th resistance R6.
For optimizing above-described embodiment further, internal resistance detection circuit can also include: for the second capacitor C2 of filtering；
One end of second capacitor C2 connects current-limiting resistance R8 and the common port of microcontroller U1, and the second capacitor C2's is another
One end connects earth terminal.
The operation principle of internal resistance detection circuit is:
When automobile is not actuated, by voltage detecting circuit 11, microcontroller U1 detects that automobile storage battery voltage is V1, so
Rear microcontroller U1 exports high level to Enable Pin TEST_EN, and the 4th switching tube Q4 conducting, automobile storage battery 10 is by the 5th resistance
R5 electric discharge produces electric current, and electric current flows through the 6th resistance R6, and the 6th resistance R6 two ends form voltage difference, and microcontroller U1 passes through electric current
Signals collecting port KAR_I obtains flowing through the electric current I of automobile storage battery 100, detected now by voltage detecting circuit 11 simultaneously
Automobile storage battery voltage is V2, thus microcontroller U1 is calculated the internal resistance R '=(V of automobile storage battery 101-V2)/I0.Subsequently, micro-
Controller U1 turns off to Enable Pin TEST_EN output low level, the 4th switching tube Q4.
It should be noted that the controller U1 in Fig. 6 includes controller chip and peripheral circuit thereof.
Finally, in addition it is also necessary to explanation, in this article, the relational terms of such as first and second or the like be used merely to by
One entity or operation separate with another entity or operating space, and not necessarily require or imply these entities or operation
Between exist any this reality relation or order.And, term " includes ", " comprising " or its any other variant meaning
Containing comprising of nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include that
A little key elements, but also include other key elements being not expressly set out, or also include for this process, method, article or
The key element that equipment is intrinsic.In the case of there is no more restriction, statement " including ... " key element limited, do not arrange
Except there is also other identical element in including the process of described key element, method, article or equipment.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (10)
1. a startup power circuit, it is characterised in that including:
Microcontroller, has multiple signals collecting port and multiple signal controls port；
The voltage detecting circuit that input is connected with automobile storage battery anode, the outfan of described voltage detecting circuit and described micro-control
The voltage signal acquisition port of device processed connects, described voltage signal acquisition port for gather automobile not actuated time automobile storage battery
Automobile storage battery voltage when voltage and automobile starting, wherein, described voltage signal acquisition port is the plurality of signals collecting end
In Kou one；
Input is connected with described automobile storage battery anode, and earth terminal connects the internal resistance detection circuit of automobile storage battery negative terminal, described interior
The outfan of resistance testing circuit connects the current signal of described microcontroller and gathers port, and described current signal gathers port and is used for
Gathering electric current during automobile storage battery electric discharge, wherein, it is in the plurality of signals collecting port that described current signal gathers port
One；
Input is connected with the common port of automobile energy storage element and described microcontroller, and outfan is with described automobile storage battery anode even
The gate-controlled switch circuit connect, the end that controls of described gate-controlled switch circuit connects the first signal control port of described microcontroller,
Described first signal controls port and is used for exporting the conductivity control signal controlling described gate-controlled switch circuit turn-on, wherein, described
It is in the plurality of signal control port that first signal controls port；
The secondary signal of described microcontroller controls port and is used for when described microcontroller detects described automobile storage battery, output
Described microcontroller according to automobile storage battery voltage when described automobile automobile storage battery voltage time not actuated, described automobile starting and
The internal resistance of described automobile storage battery, storage battery electricity and the storage battery health status that described electric current obtains, wherein, described secondary signal controls
Port is that the plurality of signal controls in port.
Startup power circuit the most according to claim 1, it is characterised in that also include:
Control port with described secondary signal to be connected, for described internal resistance, described storage battery electricity and described storage battery health status
Carry out the display circuit shown.
Startup power circuit the most according to claim 1, it is characterised in that described voltage detecting circuit includes: first point
Pressure branch road, the second dividing potential drop branch road and the first capacitor；
One end of described first dividing potential drop branch road connects described automobile storage battery anode, and the other end of described first dividing potential drop branch road passes through institute
State the second dividing potential drop branch road and connect earth terminal；
Described first capacitor is connected in the two ends of described second dividing potential drop branch road in parallel, described first dividing potential drop branch road, described second
The common port of dividing potential drop branch road and described first capacitor connects described voltage signal acquisition port.
Startup power circuit the most according to claim 1, it is characterised in that described gate-controlled switch circuit includes: relay,
Diode, the first switching tube, the first resistance and the second resistance；
One end of the normally opened contact of described relay connects automobile energy storage element anode, and the other end of described normally opened contact connects institute
Stating automobile storage battery anode, one end of the coil of described relay connects described automobile energy storage element anode, another of described coil
End connects the input of described first switching tube, and wherein, automobile energy storage element negative terminal is connected with described automobile storage battery negative terminal；
The control end of described first switching tube connects described first signal by described first resistance and controls port, and described first opens
The outfan closing pipe connects earth terminal by described second resistance；
The anode of described diode connects described coil and the common port of described first switching tube, and the negative electrode of described diode connects
Described automobile energy storage element anode.
Startup power circuit the most according to claim 4, it is characterised in that described first switching tube is metal-oxide-semiconductor.
Startup power circuit the most according to claim 1, it is characterised in that described gate-controlled switch circuit includes: second opens
Guan Guan, the 3rd switching tube, the 3rd resistance and the 4th resistance；
The control end of described second switch pipe connects described first signal by described 3rd resistance and controls port, and described second opens
The input closing pipe is connected with the input of described 3rd switching tube, and the outfan of described second switch pipe connects automobile energy storage unit
Part negative terminal；
The control end of described 3rd switching tube connects described first signal by described 4th resistance and controls port, and the described 3rd opens
The outfan closing pipe connects described automobile storage battery negative terminal, and wherein, automobile energy storage element anode and described automobile storage battery anode connect.
Startup power circuit the most according to claim 1, it is characterised in that described internal resistance detection circuit includes: the 5th electricity
Resistance, the 4th switching tube and the 6th resistance；
One end of described 5th resistance connects described automobile storage battery anode, and the other end of described 5th resistance connects the described 4th and opens
Closing the input of pipe, the outfan of described 4th switching tube connects described automobile storage battery negative terminal by described 6th resistance, described
The common port of the 4th switching tube connects the public of the Enable Pin of described microcontroller, described 4th switching tube and described 6th resistance
Hold the outfan as described internal resistance detection circuit to connect described current signal and gather port.
Startup power circuit the most according to claim 7, it is characterised in that also include: be connected in series in described Enable Pin
And the 7th resistance between described 4th switching tube.
Startup power circuit the most according to claim 7, it is characterised in that also include: current-limiting resistance, described current-limiting resistance
One end connect described current signal and gather port, the other end of described current-limiting resistance connects described 4th switching tube and described the
The common port of six resistance.
Startup power circuit the most according to claim 9, it is characterised in that also include: the second capacitor, described second
One end of capacitor connects described current-limiting resistance and the common port of described microcontroller, and the other end of described second capacitor connects
Earth terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610709418.9A CN106166990B (en) | 2016-08-23 | 2016-08-23 | A kind of startup power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610709418.9A CN106166990B (en) | 2016-08-23 | 2016-08-23 | A kind of startup power supply circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106166990A true CN106166990A (en) | 2016-11-30 |
| CN106166990B CN106166990B (en) | 2018-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610709418.9A Active CN106166990B (en) | 2016-08-23 | 2016-08-23 | A kind of startup power supply circuit |
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| Country | Link |
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| CN (1) | CN106166990B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786895A (en) * | 2016-12-26 | 2017-05-31 | 苏州绿恺动力电子科技有限公司 | A kind of battery clamp safety management system of car emergency startup power supply |
| CN111781505A (en) * | 2020-07-13 | 2020-10-16 | 深圳市道通科技股份有限公司 | Vehicle detection method and device and detection equipment |
| US11539233B2 (en) | 2019-05-30 | 2022-12-27 | Splice Energy Solutions, LLC | Smart battery backup system |
-
2016
- 2016-08-23 CN CN201610709418.9A patent/CN106166990B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786895A (en) * | 2016-12-26 | 2017-05-31 | 苏州绿恺动力电子科技有限公司 | A kind of battery clamp safety management system of car emergency startup power supply |
| CN106786895B (en) * | 2016-12-26 | 2023-05-30 | 苏州绿恺动力电子科技有限公司 | Battery clamp safety management system of automobile emergency starting power supply |
| US11539233B2 (en) | 2019-05-30 | 2022-12-27 | Splice Energy Solutions, LLC | Smart battery backup system |
| CN111781505A (en) * | 2020-07-13 | 2020-10-16 | 深圳市道通科技股份有限公司 | Vehicle detection method and device and detection equipment |
| WO2022012488A1 (en) * | 2020-07-13 | 2022-01-20 | 深圳市道通科技股份有限公司 | Vehicle detection method and apparatus, and detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106166990B (en) | 2018-11-23 |
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