CN109066832A - A kind of power supply circuit for electric vehicle mobile power source - Google Patents
A kind of power supply circuit for electric vehicle mobile power source Download PDFInfo
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- CN109066832A CN109066832A CN201810757875.4A CN201810757875A CN109066832A CN 109066832 A CN109066832 A CN 109066832A CN 201810757875 A CN201810757875 A CN 201810757875A CN 109066832 A CN109066832 A CN 109066832A
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- 238000001514 detection method Methods 0.000 claims description 30
- 239000004065 semiconductor Substances 0.000 claims description 23
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- 101150090280 MOS1 gene Proteins 0.000 claims description 8
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- H02J7/0003—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/36—Arrangements using end-cell switching
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Abstract
The present invention relates to a kind of power supply circuits for electric vehicle mobile power source, it include the first power supply BT1, second source BT2, third power supply BT3, the first output end OUT1, second output terminal OUT2, its polarity for switching the first output end OUT1, second output terminal OUT2 by the first relay J1, the second relay J2, third relay J3, the 4th relay J4, the voltage that 4th relay J4, the 5th relay J5, the 6th relay J6, the 7th relay J7, the 8th relay J8 Switching power export.By adopting the above technical scheme, the present invention provides a kind of power supply circuits for electric vehicle mobile power source, can according to need the different power supply of free switching, to generate different output voltages；Moreover, it can be versatile by the positive and negative polarity switching of mobile power source output end, to be able to satisfy the needs of different charging plugs.
Description
Technical field
The present invention relates to a kind of power supply circuits for electric vehicle mobile power source.
Background technique
Currently, the battery of electric vehicle is divided into 36V, 48V, 60V, 72V etc., and current mobile power source is only single inside it
Power supply, different electric vehicles can not be adapted to, moreover, the positive and negative polarity disunity of each electric vehicle charging connector, what is had is positive and negative
The positive and negative electrode position of the output end of pole position and mobile power source is on the contrary, mobile power source in this way can not also charge, suitability
Difference.
Summary of the invention
The purpose of the present invention: in order to overcome the drawbacks of the prior art, the present invention provides one kind for the mobile electricity of electric vehicle
The power supply circuit in source can according to need the different power supply of free switching, to generate different output voltages；Moreover, its
It can be versatile by the positive and negative polarity switching of mobile power source output end, to be able to satisfy the needs of different charging plugs.
Technical solution of the present invention: a kind of power supply circuit for electric vehicle mobile power source, it is characterised in that: include
One power supply BT1, second source BT2, third power supply BT3, the first output end OUT1, second output terminal OUT2, the first relay J1,
Second relay J2, third relay J3, the 4th relay J4, the 5th relay J5, the 6th relay J6, the 7th relay
J7, the 8th relay J8；
The anode of the fixed contact K1-1 and the first power supply BT1 that switch in first relay J1 are connected, and are opened in the first relay J1
The normally-closed contact K1-2 of pass is hanging, and the normally opened contact K1-3 switched in the first relay J1 and the first output end OUT1 are connected, the
One termination VCC of one relay J1 coil, the other end is signal input part K1；
The anode of the fixed contact K2-1 and the first power supply BT1 that switch in second relay J2 are connected, and are opened in the second relay J2
The normally-closed contact K2-2 of pass is hanging, and the normally opened contact K2-3 switched in the second relay J2 and second output terminal OUT2 are connected, the
One termination VCC of two relay J2 coils, the other end is signal input part K2；
The cathode of the fixed contact K3-1 and third power supply BT3 that switch in third relay J3 are connected, and are opened in third relay J3
The normally-closed contact K3-2 of pass is hanging, and the normally opened contact K3-3 switched in third relay J3 and the first output end OUT1 are connected, the
One termination VCC of three relay J3 coils, the other end is signal input part K3；
The cathode of the fixed contact K4-1 and third power supply BT3 that switch in 4th relay J4 are connected, and are opened in the 4th relay J4
The normally-closed contact K4-2 of pass is hanging, and the normally opened contact K4-3 switched in the 4th relay J4 and second output terminal OUT2 are connected, the
One termination VCC of four relay J4 coils, the other end is signal input part K4；
The normally-closed contact J5-2 of the switch of 5th relay J5 is hanging, the normally opened contact J5-3 of the switch of the 5th relay J5 and
The cathode of one power supply BT1 is connected, and the normally-closed contact J6-2 of the switch of the 6th relay J6 is hanging, the switch of the 6th relay J6
Normally opened contact J6-3 is also connected with the cathode of the first power supply BT1, the fixed contact J5-1 and second of the switch of the 5th relay J5
The anode of power supply BT2 is connected, and the cathode of the fixed contact J6-1 and second source BT2 of the switch of the 6th relay J6 are connected, the
One termination VCC of the coil of five relay J5, the other end is signal input part K5, a termination of the coil of the 6th relay J6
VCC, the other end are signal input part K6, the cathode of the normally opened contact J7-3 and second source BT2 of the switch of the 7th relay J7
It connects, the normally-closed contact J7-2 of the switch of the 7th relay J7 is hanging, the normally opened contact J8-3 of the switch of the 8th relay J8
It is connected with the cathode of second source BT2, the normally-closed contact J8-2 of the switch of the 8th relay J8 is hanging, and the 7th relay J7's opens
The anode of the fixed contact J7-1 and third power supply BT3 of pass are connected, the fixed contact J8-1 of the switch of the 8th relay J8 and the
The cathode of three power supply BT3 is connected, a termination VCC of the coil of the 7th relay J7, and the other end is signal input part K7, the 8th after
One termination VCC of the coil of electric appliance J8, the other end is signal input part K8.
By adopting the above technical scheme, it when the first output end OUT1 of needs is anode, second output terminal OUT2 is cathode, gives
The signal input part K4 signal of the signal input part K1 and the 4th relay J4 of first relay J1 are powered, the first relay J1
Fixed contact K1-1 and normally opened contact K1-3 connect, the fixed contact K4-1 and normally opened contact K4-3 of the 4th relay J4 connection
?；It is defeated to the signal of the second relay J2 when the first output end OUT1 of needs is cathode, second output terminal OUT2 is anode
Enter to hold the signal input part K3 signal of K2 and third relay J3 to be powered, the fixed contact K2-1 of the second relay J2 with it is normally opened
Contact K2-3 is connected, and the fixed contact K3-1 and normally opened contact K3-3 of third relay J3 is connected；
When the voltage for needing to export is the total voltage of the first power supply BT1 and second source BT2, letter is provided by signal input part K5
Number the coil of the first relay J5 is powered, the normally opened contact J5-3 of the switch of the first relay J5 and the first relay J5's
The fixed contact J5-1 of switch is connected, and signal input part K8 provides signal and the coil of the 4th relay J8 is powered, the 4th after
The fixed contact J8-1 of the switch of the normally opened contact J8-3 and the 4th relay J8 of the switch of electric appliance J8 is connected, and at this time first
The total voltage that the voltage of output end OUT1, second output terminal OUT2 output is the first power supply BT1 and second source BT2；Work as needs
When the voltage of output is the total voltage of the first power supply BT1, second source BT2 and third power supply BT3, provided by signal input part K5
Signal makes the coil of the first relay J5 be powered, the normally opened contact J5-3 of the switch of the first relay J5 and the first relay J5
The fixed contact J5-1 of switch connect, signal is provided by signal input part K7, the coil of third relay J7 is powered, the
The fixed contact J7-1 of the switch of the normally opened contact J7-3 and third relay J7 of the switch of three relay J7 is connected, at this time
The voltage of first output end OUT1, second output terminal OUT2 output is the first power supply BT1, second source BT2 and third power supply BT3
Total voltage；When the first power supply BT1 only being needed to power, make the second relay J6, the 4th relay to signal input part K6, K8 signal
Device J8 is powered；When the first power supply BT1, third power supply BT3 only being needed to power, make second to signal input part K6, K7 signal
Relay J6, third relay J7 are powered, and are not set forth in detail herein；Therefore, this structure is mobile for electric vehicle
The power supply circuit of power supply can according to need the different power supply of free switching, to generate different output voltages；Moreover,
It can be versatile by the positive and negative polarity switching of mobile power source output end, to be able to satisfy the needs of different charging plugs.
The further setting of the present invention: further including having for acquiring the first output end OUT1, second output terminal OUT2 respectively
The output end voltage detection circuit of voltage, output end voltage detection circuit include that be connected on the first output end OUT1 and second defeated
Resistance R11, R16, R27, R31 between outlet OUT2 further include having the capacitor C9 in parallel with resistance R16, in parallel with resistance R27
Capacitor C10, be connected with resistance R14 between the one end resistance R16 and one end of capacitor C9, the other end and capacitor C9 of resistance R16
The other end indirectly, between resistance R14 and capacitor C9 be the first output end OUT1 voltage acquisition end UAD1, resistance R27 mono-
Be connected with resistance R29 between end and one end of capacitor C10, the other end of the other end and capacitor C10 of resistance R27 indirectly,
It is second output terminal OUT2 voltage acquisition end UAD2 between resistance R29 and capacitor C10.
Using above-mentioned further setting, after external plug is connect with the first output end OUT1, second output terminal OUT2, this
When, each relay is not powered on, and the electricity of the first output end OUT1, second output terminal OUT2 can be detected by voltage detecting circuit
Differentiation and the polarity of the first output end OUT1, second output terminal the OUT2 plug connecting are pressed, while can differentiate the electricity of electric vehicle
The voltage in pond, so as to be worked using single-chip microcontroller control the first relay to the 4th relay come the first output end of adjust automatically
The polarity of OUT1, second output terminal OUT2, then corresponding output voltage values are adjusted to the 8th relay by the 5th relay
To meet the needs of different electric vehicles.
Further setting of the invention: further including having metal-oxide-semiconductor T1, triode Q3, resistance R40, resistance R39, resistance
The fixation switched in fixed contact K4-1, the third relay J3 for draining with being switched in the 4th relay J4 of R49, metal-oxide-semiconductor T1
Contact K3-1 is connected, and the source electrode of metal-oxide-semiconductor T1 is connected to the cathode of third power supply BT3, one end of resistance R40 and the grid of metal-oxide-semiconductor T1
Pole connection, other end ground connection, the collector of triode Q3 are also connected to the grid of metal-oxide-semiconductor T1, and the emitter of triode Q3 connects
VCC, resistance R39 are connected between the emitter and base stage of triode Q3, and the one end resistance R49 is connect with the base stage of triode Q3,
The other end is signal input part MOS1, is also parallel with zener diode Q2 between the drain electrode and source electrode of metal-oxide-semiconductor T1.
Further it is arranged using above-mentioned, by the metal-oxide-semiconductor T1 of setting, triode Q3, can be worked in relay power
Afterwards, then to signal input part MOS1 signal metal-oxide-semiconductor T1, triode Q3 are worked, power supply can be by the first output end at this time
OUT1, second output terminal OUT2 are separated in external plug with the first output end OUT1, second output terminal OUT2 to extraneous charging
Afterwards, to signal input part MOS1 signal metal-oxide-semiconductor T1, triode Q3 are stopped working, at this time the first output end OUT1, second defeated
Outlet OUT2 can make its use safer in this way without electricity.
Further setting again of the invention: further including the first voltage having for detecting the first power supply BT1 cathode voltage
Detection circuit, the second voltage detection circuit for detecting the first power supply BT2 cathode voltage, first voltage detection circuit include
The anode of resistance R9, resistance R10, resistance R13, capacitor C7, the one end resistance R9 and the first power supply BT1 are connected, the other end and resistance
R13 series connection, resistance R13 is in parallel with capacitor C7, and resistance R10 is connected between one end of resistance R13 and one end of capacitor C7, resistance
The other end of R13 and the other end of capacitor C7 are grounded, and first voltage collection terminal UAD3 is formed between resistance R10 and capacitor C7；
Second voltage detection circuit includes resistance R12, resistance R15, resistance R26, capacitor C8, and the one end resistance R12 is electric with first
The cathode of source BT1 is connected, and the other end is connected with resistance R26, and resistance R26 is in parallel with capacitor C8, and resistance R15 is connected to resistance R26
One end and capacitor C8 one end between, the other end of resistance R26 is grounded with the other end of capacitor C8, resistance R15 and capacitor
Second voltage collection terminal UAD4 is formed between C8.
Using above-mentioned setting further again, acquired using first voltage collection terminal UAD3, second voltage collection terminal UAD4
Voltage value you can get it the first power supply BT1 voltage, so as to understand the working condition of the first power supply BT1 in real time.
Further setting again of the invention: further including the tertiary voltage having for detecting second source BT2 cathode voltage
Detection circuit, the 4th voltage detecting circuit for detecting second source BT2 cathode voltage, tertiary voltage detection circuit include
The anode of resistance R28, resistance R30, resistance R32, capacitor C11, the one end resistance R28 and second source BT2 are connected, the other end and electricity
R32 series connection is hindered, resistance R32 is in parallel with capacitor C11, and resistance R30 is connected between one end of resistance R32 and one end of capacitor C11,
The other end of resistance R32 and the other end of capacitor C11 are grounded, and tertiary voltage collection terminal is formed between resistance R30 and capacitor C11
UAD5；
4th voltage detecting circuit includes resistance R33, resistance R34, resistance R35, capacitor C12, and the one end resistance R33 is electric with second
The cathode of source BT2 is connected, and the other end is connected with resistance R35, and resistance R35 is in parallel with capacitor C12, and resistance R34 is connected to resistance R35
One end and capacitor C12 one end between, the other end of resistance R35 is grounded with the other end of capacitor C12, resistance R34 and electricity
Hold and forms the 4th voltage acquisition end UAD6 between C12.
Using above-mentioned setting further again, acquired using tertiary voltage collection terminal UAD5, the 4th voltage acquisition end UAD6
Voltage value you can get it second source BT2 voltage, so as to understand the working condition of second source BT2 in real time.
Further setting again of the invention: the cathode ground connection of third power supply BT3, further includes having for detecting third power supply
5th voltage detecting circuit of BT3 cathode voltage, the 5th voltage detecting circuit include resistance R36, resistance R37, resistance R38,
The anode of capacitor C13, the one end resistance R36 and third power supply BT3 are connected, and the other end is connected with resistance R38, resistance R38 and capacitor
C13 is in parallel, and resistance R37 is connected between one end of resistance R38 and one end of capacitor C13, the other end and capacitor of resistance R38
The other end of C13 is grounded, and the 5th voltage acquisition end UAD7 is formed between resistance R37 and capacitor C13.
Using above-mentioned setting further again, voltage value you can get it the third of the 5th voltage acquisition end UAD7 acquisition is utilized
The voltage of power supply BT3, so as to understand the working condition of third power supply BT3 in real time.
Further setting again of the invention: further including having capacitor C14, resistance R52, one end resistance R52 is connected to metal-oxide-semiconductor
Between the source electrode of T1 and the cathode of third power supply BT3, the other end of resistance R52 is connect with capacitor C14, the other end of capacitor C14
Ground connection is signal detection end IAD1 between resistance R52 and capacitor C14.
Using above-mentioned setting further again, whether short circuit can detecte using the signal that signal detection end IAD1 is acquired
Road, so that the stability of circuit is more preferable, it is safer.
Detailed description of the invention
Fig. 1 is the integrated circuit figure of the specific embodiment of the invention；
Fig. 2 is the part I partial enlarged view in Fig. 1；
Fig. 3 is the part J partial enlarged view in Fig. 1.
Specific embodiment
As shown in Figure 1-3, a kind of power supply circuit for electric vehicle mobile power source, includes the first power supply BT1, the second electricity
Source BT2, third power supply BT3, the first output end OUT1, second output terminal OUT2, the first relay J1, the second relay J2,
Three relay J3, the 4th relay J4, the 5th relay J5, the 6th relay J6, the 7th relay J7, the 8th relay J8,
First power supply BT1, second source BT2, third power supply BT3 voltage be respectively 32V, 24V, 12V, it is of course possible to set as needed
The voltage of fixed other values；
The anode of the fixed contact K1-1 and the first power supply BT1 that switch in first relay J1 are connected, and are opened in the first relay J1
The normally-closed contact K1-2 of pass is hanging, and the normally opened contact K1-3 switched in the first relay J1 and the first output end OUT1 are connected, the
One termination VCC of one relay J1 coil, the other end is signal input part K1；
The anode of the fixed contact K2-1 and the first power supply BT1 that switch in second relay J2 are connected, and are opened in the second relay J2
The normally-closed contact K2-2 of pass is hanging, and the normally opened contact K2-3 switched in the second relay J2 and second output terminal OUT2 are connected, the
One termination VCC of two relay J2 coils, the other end is signal input part K2；
The cathode of the fixed contact K3-1 and third power supply BT3 that switch in third relay J3 are connected, and are opened in third relay J3
The normally-closed contact K3-2 of pass is hanging, and the normally opened contact K3-3 switched in third relay J3 and the first output end OUT1 are connected, the
One termination VCC of three relay J3 coils, the other end is signal input part K3；
The cathode of the fixed contact K4-1 and third power supply BT3 that switch in 4th relay J4 are connected, and are opened in the 4th relay J4
The normally-closed contact K4-2 of pass is hanging, and the normally opened contact K4-3 switched in the 4th relay J4 and second output terminal OUT2 are connected, the
One termination VCC of four relay J4 coils, the other end is signal input part K4；
The normally-closed contact J5-2 of the switch of 5th relay J5 is hanging, the normally opened contact J5-3 of the switch of the 5th relay J5 and
The cathode of one power supply BT1 is connected, and the normally-closed contact J6-2 of the switch of the 6th relay J6 is hanging, the switch of the 6th relay J6
Normally opened contact J6-3 is also connected with the cathode of the first power supply BT1, the fixed contact J5-1 and second of the switch of the 5th relay J5
The anode of power supply BT2 is connected, and the cathode of the fixed contact J6-1 and second source BT2 of the switch of the 6th relay J6 are connected, the
One termination VCC of the coil of five relay J5, the other end is signal input part K5, a termination of the coil of the 6th relay J6
VCC, the other end are signal input part K6, the cathode of the normally opened contact J7-3 and second source BT2 of the switch of the 7th relay J7
It connects, the normally-closed contact J7-2 of the switch of the 7th relay J7 is hanging, the normally opened contact J8-3 of the switch of the 8th relay J8
It is connected with the cathode of second source BT2, the normally-closed contact J8-2 of the switch of the 8th relay J8 is hanging, and the 7th relay J7's opens
The anode of the fixed contact J7-1 and third power supply BT3 of pass are connected, the fixed contact J8-1 of the switch of the 8th relay J8 and the
The cathode of three power supply BT3 is connected, a termination VCC of the coil of the 7th relay J7, and the other end is signal input part K7, the 8th after
One termination VCC of the coil of electric appliance J8, the other end is signal input part K8.
In the specific embodiment of the invention, power supply circuit further includes having for acquiring the first output end OUT1, second defeated respectively
The output end voltage detection circuit of outlet OUT2 voltage, output end voltage detection circuit include to be connected on the first output end OUT1
Resistance R11, R16, R27, R31 between second output terminal OUT2 further include having the capacitor C9 in parallel with resistance R16, with electricity
The capacitor C10 for hindering R27 parallel connection, is connected with resistance R14, the other end of resistance R16 between the one end resistance R16 and one end of capacitor C9
With the other end of capacitor C9 indirectly, between resistance R14 and capacitor C9 be the first output end OUT1 voltage acquisition end UAD1, electricity
Be connected with resistance R29 between resistance one end R27 and one end of capacitor C10, the other end of the other end of resistance R27 and capacitor C10 it
It indirectly, is second output terminal OUT2 voltage acquisition end UAD2 between resistance R29 and capacitor C10.
In the specific embodiment of the invention, power supply circuit further include have metal-oxide-semiconductor T1, triode Q3, resistance R40, resistance R39,
It is switched in fixed contact K4-1, the third relay J3 for draining with being switched in the 4th relay J4 of resistance R49, metal-oxide-semiconductor T1
Fixed contact K3-1 is connected, and the source electrode of metal-oxide-semiconductor T1 is connected to the cathode of third power supply BT3, one end of resistance R40 and metal-oxide-semiconductor T1
Grid connection, other end ground connection, the collector of triode Q3 is also connected to the grid of metal-oxide-semiconductor T1, the emitter of triode Q3
VCC is met, resistance R39 is connected between the emitter and base stage of triode Q3, and the base stage of the one end resistance R49 and triode Q3 connect
It connects, the other end is signal input part MOS1, is also parallel with zener diode Q2 between the drain electrode and source electrode of metal-oxide-semiconductor T1.
In the specific embodiment of the invention, power supply circuit further includes first had for detecting the first power supply BT1 cathode voltage
Voltage detecting circuit, the second voltage detection circuit for detecting the first power supply BT2 cathode voltage, first voltage detection circuit packet
Included resistance R9, resistance R10, resistance R13, capacitor C7, the anode of the one end resistance R9 and the first power supply BT1 are connected, the other end with
Resistance R13 series connection, resistance R13 is in parallel with capacitor C7, and resistance R10 is connected between one end of resistance R13 and one end of capacitor C7,
The other end of resistance R13 and the other end of capacitor C7 are grounded, and first voltage collection terminal is formed between resistance R10 and capacitor C7
UAD3；Second voltage detection circuit includes resistance R12, resistance R15, resistance R26, capacitor C8, and the one end resistance R12 is electric with first
The cathode of source BT1 is connected, and the other end is connected with resistance R26, and resistance R26 is in parallel with capacitor C8, and resistance R15 is connected to resistance R26
One end and capacitor C8 one end between, the other end of resistance R26 is grounded with the other end of capacitor C8, resistance R15 and capacitor
Second voltage collection terminal UAD4 is formed between C8.
In the specific embodiment of the invention, power supply circuit further includes the third having for detecting second source BT2 cathode voltage
Voltage detecting circuit, the 4th voltage detecting circuit for detecting second source BT2 cathode voltage, tertiary voltage detection circuit packet
Resistance R28, resistance R30, resistance R32, capacitor C11, the anode connection of the one end resistance R28 and second source BT2, the other end are included
It connects with resistance R32, resistance R32 is in parallel with capacitor C11, and resistance R30 is connected to one end of resistance R32 and one end of capacitor C11
Between, the other end of resistance R32 is grounded with the other end of capacitor C11, forms tertiary voltage between resistance R30 and capacitor C11
Collection terminal UAD5；4th voltage detecting circuit includes resistance R33, resistance R34, resistance R35, capacitor C12, the one end resistance R33
It is connected with the cathode of second source BT2, the other end is connected with resistance R35, and resistance R35 is in parallel with capacitor C12, resistance R34 connection
Between one end of resistance R35 and one end of capacitor C12, the other end of the other end and capacitor C12 of resistance R35 is grounded, electricity
It hinders and forms the 4th voltage acquisition end UAD6 between R34 and capacitor C12；The cathode of third power supply BT3 is grounded, and further includes having for examining
The 5th voltage detecting circuit of third power supply BT3 cathode voltage is surveyed, the 5th voltage detecting circuit includes resistance R36, resistance
The anode of R37, resistance R38, capacitor C13, the one end resistance R36 and third power supply BT3 are connected, and the other end is connected with resistance R38, electricity
Resistance R38 is in parallel with capacitor C13, and resistance R37 is connected between one end of resistance R38 and one end of capacitor C13, and resistance R38's is another
One end and the other end of capacitor C13 are grounded, and the 5th voltage acquisition end UAD7 is formed between resistance R37 and capacitor C13.
In the specific embodiment of the invention, power supply circuit further includes having capacitor C14, and resistance R52, one end resistance R52 is connected to
Between the source electrode of metal-oxide-semiconductor T1 and the cathode of third power supply BT3, the other end of resistance R52 is connect with capacitor C14, and capacitor C14's is another
One end ground connection is signal detection end IAD1 between resistance R52 and capacitor C14, can using the signal that signal detection end IAD1 is acquired
It is whether short-circuit with detection circuit, so that the stability of circuit is more preferable, it is safer.
For the signal control of signal input part K1, K2, K3, K4, K5, K6, K7, K8, MOS1 and signal detection end
The acquisition of IAD1, voltage acquisition end UAD1, UAD2, UAD3, UAD4, UAD5, UAD6, UAD7 can be completed by single-chip microcontroller, will
The signal output end of signal input part K1, K2, K3, K4, K5, K6, K7, K8, MOS1 and single-chip microcontroller connection, by IAD1, UAD1,
The connection of the signal input part of UAD2, UAD3, UAD4, UAD5, UAD6, UAD7 and single-chip microcontroller is differentiating voltage acquisition end UAD1, electricity
It is corresponding with external plug to can be obtained the first output end OUT1, second output terminal OUT2 after the voltage swing of pressure collection terminal UAD2
Polarity, while the voltage of the battery of electric vehicle is obtained, thus to signal input part K1, K2, K3, K4, K5, K6, K7, K8, MOS1
Provide corresponding signal.
Claims (7)
1. a kind of power supply circuit for electric vehicle mobile power source, it is characterised in that: include the first power supply BT1, second source
BT2, third power supply BT3, the first output end OUT1, second output terminal OUT2, the first relay J1, the second relay J2, third
Relay J3, the 4th relay J4, the 5th relay J5, the 6th relay J6, the 7th relay J7, the 8th relay J8；
The anode of the fixed contact K1-1 and the first power supply BT1 that switch in first relay J1 are connected, and are opened in the first relay J1
The normally-closed contact K1-2 of pass is hanging, and the normally opened contact K1-3 switched in the first relay J1 and the first output end OUT1 are connected, the
One termination VCC of one relay J1 coil, the other end is signal input part K1；
The anode of the fixed contact K2-1 and the first power supply BT1 that switch in second relay J2 are connected, and are opened in the second relay J2
The normally-closed contact K2-2 of pass is hanging, and the normally opened contact K2-3 switched in the second relay J2 and second output terminal OUT2 are connected, the
One termination VCC of two relay J2 coils, the other end is signal input part K2；
The cathode of the fixed contact K3-1 and third power supply BT3 that switch in third relay J3 are connected, and are opened in third relay J3
The normally-closed contact K3-2 of pass is hanging, and the normally opened contact K3-3 switched in third relay J3 and the first output end OUT1 are connected, the
One termination VCC of three relay J3 coils, the other end is signal input part K3；
The cathode of the fixed contact K4-1 and third power supply BT3 that switch in 4th relay J4 are connected, and are opened in the 4th relay J4
The normally-closed contact K4-2 of pass is hanging, and the normally opened contact K4-3 switched in the 4th relay J4 and second output terminal OUT2 are connected, the
One termination VCC of four relay J4 coils, the other end is signal input part K4；
The normally-closed contact J5-2 of the switch of 5th relay J5 is hanging, the normally opened contact J5-3 of the switch of the 5th relay J5 and
The cathode of one power supply BT1 is connected, and the normally-closed contact J6-2 of the switch of the 6th relay J6 is hanging, the switch of the 6th relay J6
Normally opened contact J6-3 is also connected with the cathode of the first power supply BT1, the fixed contact J5-1 and second of the switch of the 5th relay J5
The anode of power supply BT2 is connected, and the cathode of the fixed contact J6-1 and second source BT2 of the switch of the 6th relay J6 are connected, the
One termination VCC of the coil of five relay J5, the other end is signal input part K5, a termination of the coil of the 6th relay J6
VCC, the other end are signal input part K6, the cathode of the normally opened contact J7-3 and second source BT2 of the switch of the 7th relay J7
It connects, the normally-closed contact J7-2 of the switch of the 7th relay J7 is hanging, the normally opened contact J8-3 of the switch of the 8th relay J8
It is connected with the cathode of second source BT2, the normally-closed contact J8-2 of the switch of the 8th relay J8 is hanging, and the 7th relay J7's opens
The anode of the fixed contact J7-1 and third power supply BT3 of pass are connected, the fixed contact J8-1 of the switch of the 8th relay J8 and the
The cathode of three power supply BT3 is connected, a termination VCC of the coil of the 7th relay J7, and the other end is signal input part K7, the 8th after
One termination VCC of the coil of electric appliance J8, the other end is signal input part K8.
2. the power supply circuit according to claim 1 for electric vehicle mobile power source, it is characterised in that: further include being used for
The output end voltage detection circuit of the first output end OUT1, second output terminal OUT2 voltage, output end voltage detection are acquired respectively
Circuit includes resistance R11, R16, R27, the R31 being connected between the first output end OUT1 and second output terminal OUT2, is also wrapped
Include the capacitor C9 in parallel with resistance R16, the capacitor C10 in parallel with resistance R27, one end of the one end resistance R16 and capacitor C9 it
Between be connected with resistance R14, the other end of the other end and capacitor C9 of resistance R16 indirectly, be between resistance R14 and capacitor C9
First output end OUT1 voltage acquisition end UAD1, is connected with resistance R29, resistance between the one end resistance R27 and one end of capacitor C10
The other end of the other end and capacitor C10 of R27 indirectly, between resistance R29 and capacitor C10 be second output terminal OUT2 voltage
Collection terminal UAD2.
3. the power supply circuit according to claim 2 for electric vehicle mobile power source, it is characterised in that: further include having MOS
The fixation switched in pipe T1, triode Q3, resistance R40, resistance R39, resistance R49, the drain electrode of metal-oxide-semiconductor T1 and the 4th relay J4
The fixed contact K3-1 switched in contact K4-1, third relay J3 is connected, the source electrode of metal-oxide-semiconductor T1 and bearing for third power supply BT3
Pole connection, one end of resistance R40 is connected to the grid of metal-oxide-semiconductor T1, and the other end is grounded, the collector of triode Q3 also with metal-oxide-semiconductor
The grid of T1 is connected to, and the emitter of triode Q3 meets VCC, and resistance R39 is connected between the emitter and base stage of triode Q3, electricity
Resistance one end R49 is connect with the base stage of triode Q3, and the other end is signal input part MOS1, between the drain electrode and source electrode of metal-oxide-semiconductor T1
Also it is parallel with zener diode Q2.
4. the power supply circuit according to claim 3 for electric vehicle mobile power source, it is characterised in that: further include being used for
Detect the first voltage detection circuit of the first power supply BT1 cathode voltage, the second electricity for detecting the first power supply BT2 cathode voltage
Detection circuit is pressed, first voltage detection circuit includes resistance R9, resistance R10, resistance R13, capacitor C7, one end resistance R9 and the
The anode of one power supply BT1 is connected, and the other end is connected with resistance R13, and resistance R13 is in parallel with capacitor C7, and resistance R10 is connected to resistance
Between one end of R13 and one end of capacitor C7, the other end of resistance R13 is grounded with the other end of capacitor C7, resistance R10 and electricity
Hold and forms first voltage collection terminal UAD3 between C7；
Second voltage detection circuit includes resistance R12, resistance R15, resistance R26, capacitor C8, and the one end resistance R12 is electric with first
The cathode of source BT1 is connected, and the other end is connected with resistance R26, and resistance R26 is in parallel with capacitor C8, and resistance R15 is connected to resistance R26
One end and capacitor C8 one end between, the other end of resistance R26 is grounded with the other end of capacitor C8, resistance R15 and capacitor
Second voltage collection terminal UAD4 is formed between C8.
5. the power supply circuit according to claim 4 for electric vehicle mobile power source, it is characterised in that: further include being used for
Detect the tertiary voltage detection circuit of second source BT2 cathode voltage, the 4th electricity for detecting second source BT2 cathode voltage
Detection circuit is pressed, tertiary voltage detection circuit includes resistance R28, resistance R30, resistance R32, capacitor C11, the one end resistance R28
It is connected with the anode of second source BT2, the other end is connected with resistance R32, and resistance R32 is in parallel with capacitor C11, resistance R30 connection
Between one end of resistance R32 and one end of capacitor C11, the other end of the other end and capacitor C11 of resistance R32 is grounded, electricity
It hinders and forms tertiary voltage collection terminal UAD5 between R30 and capacitor C11；
4th voltage detecting circuit includes resistance R33, resistance R34, resistance R35, capacitor C12, and the one end resistance R33 is electric with second
The cathode of source BT2 is connected, and the other end is connected with resistance R35, and resistance R35 is in parallel with capacitor C12, and resistance R34 is connected to resistance R35
One end and capacitor C12 one end between, the other end of resistance R35 is grounded with the other end of capacitor C12, resistance R34 and electricity
Hold and forms the 4th voltage acquisition end UAD6 between C12.
6. the power supply circuit according to claim 5 for electric vehicle mobile power source, it is characterised in that: third power supply BT3
Cathode ground connection, further include the 5th voltage detecting circuit having for detecting third power supply BT3 cathode voltage, the 5th voltage detecting
Circuit includes resistance R36, resistance R37, resistance R38, capacitor C13, and the one end resistance R36 and the positive of third power supply BT3 are connected,
The other end is connected with resistance R38, and resistance R38 is in parallel with capacitor C13, and resistance R37 is connected to one end and the capacitor C13 of resistance R38
One end between, the other end of resistance R38 is grounded with the other end of capacitor C13, and is formed between resistance R37 and capacitor C13
Five voltage acquisition end UAD7.
7. the power supply circuit according to claim 1 or 2 or 3 or 4 or 5 or 6 for electric vehicle mobile power source, feature exist
In: it further include having capacitor C14, resistance R52, one end resistance R52 is connected to the source electrode of metal-oxide-semiconductor T1 and the cathode of third power supply BT3
Between, the other end of resistance R52 is connect with capacitor C14, and the other end ground connection of capacitor C14 is between resistance R52 and capacitor C14
Signal detection end IAD1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810757875.4A CN109066832A (en) | 2018-07-11 | 2018-07-11 | A kind of power supply circuit for electric vehicle mobile power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810757875.4A CN109066832A (en) | 2018-07-11 | 2018-07-11 | A kind of power supply circuit for electric vehicle mobile power source |
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| Publication Number | Publication Date |
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| CN109066832A true CN109066832A (en) | 2018-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810757875.4A Withdrawn CN109066832A (en) | 2018-07-11 | 2018-07-11 | A kind of power supply circuit for electric vehicle mobile power source |
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| Country | Link |
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| CN (1) | CN109066832A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201910630U (en) * | 2010-12-14 | 2011-07-27 | 河南省电力公司平顶山供电公司 | Nonpolar connecting charger for direct-current power supply |
| CN104184205A (en) * | 2013-05-23 | 2014-12-03 | 海洋王（东莞）照明科技有限公司 | Power switching circuit and lighting equipment |
| CN207518351U (en) * | 2017-12-12 | 2018-06-19 | 广州市奔创电子科技有限公司 | A kind of intelligent mobile inverter |
| CN208353037U (en) * | 2018-07-11 | 2019-01-08 | 温州引力聚合信息科技有限公司 | A kind of power supply circuit for electric vehicle mobile power source |
-
2018
- 2018-07-11 CN CN201810757875.4A patent/CN109066832A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201910630U (en) * | 2010-12-14 | 2011-07-27 | 河南省电力公司平顶山供电公司 | Nonpolar connecting charger for direct-current power supply |
| CN104184205A (en) * | 2013-05-23 | 2014-12-03 | 海洋王（东莞）照明科技有限公司 | Power switching circuit and lighting equipment |
| CN207518351U (en) * | 2017-12-12 | 2018-06-19 | 广州市奔创电子科技有限公司 | A kind of intelligent mobile inverter |
| CN208353037U (en) * | 2018-07-11 | 2019-01-08 | 温州引力聚合信息科技有限公司 | A kind of power supply circuit for electric vehicle mobile power source |
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Application publication date: 20181221 |