CN206023574U - A kind of two-way DC D/C powers control circuit - Google Patents
A kind of two-way DC D/C powers control circuit Download PDFInfo
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- CN206023574U CN206023574U CN201620679068.1U CN201620679068U CN206023574U CN 206023574 U CN206023574 U CN 206023574U CN 201620679068 U CN201620679068 U CN 201620679068U CN 206023574 U CN206023574 U CN 206023574U
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Abstract
The utility model discloses a kind of two-way DC D/C powers control circuit, including port A, port B, soft starting circuit and unidirectional DC D/C powers, the unidirectional DC D/C powers include input C and outfan D, input capacitance Ci is connected between the positive pole C+ and negative pole C of input C, is connected with output capacitance Co between the positive pole D+ and negative pole D of outfan D；When energy flows to port B from port A, the port A is connected with unidirectional DC D/C powers input C by soft starting circuit, and port B is connected with unidirectional DC D/C powers outfan D；The DC D/C powers that this utility model is flowed with directed energy realize the function of two-way DC DC, i.e. energy in bidirectional flow by way of logic switch as carrier, and high cost, the control so as to solve the problems, such as the presence of bi-directional power is complicated, reliability is low.
Description
Technical field
This utility model belongs to high frequency DC-DC converter field, and in particular to a kind of bi-directional DC-DC power control circuit.
Background technology
Switching Power Supply with small volume, efficiency high, lightweight, isolation the advantages of favored by people.Bi-directional DC-DC power supply
In sector applications such as direct-current micro-grid, solar energy storages extensively, the input side of traditional bi-directional DC-DC power supply, outlet side are required to
Copped wave or rectification is carried out with high frequency switching devices such as MOS, IGBT, and needs corresponding driving and control circuit, and Uniderectional DC-DC
Power supply, only needs input side to select high frequency switching device, outlet side to adopt diode rectification, therefore, traditional bi-directional DC-DC
Power supply needs to increase switching device and corresponding drive control circuit compared with Uniderectional DC-DC power supply, correspondingly needs more strong
Big control system provides support.That is, needing to increase extra high frequency switching device, power supply cost is dramatically increased, with
When also improve control system difficulty.
Utility model content
In order to solve the above problems, the utility model proposes a kind of bi-directional DC-DC power control circuit, with directed energy
The DC-DC power source of flowing is platform, realizes the function of bi-directional DC-DC, i.e. energy in bidirectional flow by way of logic switch, from
And solve the problems, such as that the high cost of the presence of bi-directional power, control are complicated.
For reaching above-mentioned purpose, this utility model is adopted the following technical scheme that：A kind of bi-directional DC-DC power control circuit,
Including port A, port B, soft starting circuit and Uniderectional DC-DC power supply, the Uniderectional DC-DC power supply includes input C and output
End D, is connected with input capacitance Ci, connects between the positive pole D+ and negative pole D- of outfan D between the positive pole C+ and negative pole C- of input C
It is connected to output capacitance Co；
When energy flows to port B from port A, the port A is by soft starting circuit and Uniderectional DC-DC power input
C is connected, and port B is connected with Uniderectional DC-DC power output end D；
When energy flows to port A from port B, the port B is by soft starting circuit and Uniderectional DC-DC power input
C is connected, and port A is connected with Uniderectional DC-DC power output end D.
Also include counter block up circuit, port A and port B connects Uniderectional DC-DC power output end D positive poles by anti-stifled circuit
D+.
The anti-stifled circuit includes that switch K11 and the diode D1 being arranged in parallel, the soft starting circuit include switching K9
With switch K10, switch K9 series resistances R1 after with switch K10 in parallel；
Port A positive poles A+ and port B positive poles B+ are connected to one end of soft starting circuit respectively by switching K1 and switch K2,
The soft starting circuit other end connects Uniderectional DC-DC power input C positive pole C+；Port A positive poles A+ and port B positive pole B+ also distinguish
One end of anti-stifled circuit is connected to by switching K5 and switch K6, anti-stifled circuit other end connection Uniderectional DC-DC power output end D
Positive pole D+；
Port A negative poles A- and port B negative poles B- are connected to the defeated of Uniderectional DC-DC power supply by switching K3 and switch K4 respectively
Enter to hold C negative pole C-；Port A negative poles A- and port B negative poles B- are also connected to Uniderectional DC-DC electricity by switching K7 and switch K8 respectively
The outfan D negative pole D- in source.
When energy flows to port B from port A, the port A positive poles A+ is by soft starting circuit and Uniderectional DC-DC power supply
The positive pole C+ connections of input C, port A negative poles A- are connected with the negative pole C- of Uniderectional DC-DC power input C；Port B positive pole B+
Connected with the positive pole D+ of Uniderectional DC-DC power output end D by instead blocking up circuit, port B negative poles B- is exported with Uniderectional DC-DC power supply
The negative pole D- connections of end D；
When energy flows to port A from port B, the port B positive poles B+ is by soft starting circuit and Uniderectional DC-DC power supply
The positive pole C+ connections of input C, port B negative poles B- are connected with the negative pole C- of Uniderectional DC-DC power input C；Port A positive pole A+
Connected with the positive pole D+ of Uniderectional DC-DC power output end D by instead blocking up circuit, port A negative poles A- is exported with Uniderectional DC-DC power supply
The negative pole D- connections of end D.
The anti-stifled circuit includes switch K7 and the diode D1 being arranged in parallel, the soft starting circuit include switching K9 and
Switch K10, in parallel with switch K10 after switch K9 series resistances R1；
Port A positive poles A+ and port B positive poles B+ are connected to one end of soft starting circuit respectively by switching K1 and switch K2,
The soft starting circuit other end connects Uniderectional DC-DC power input C positive pole C+；Port A positive poles A+ and port B positive pole B+ also distinguish
One end of anti-stifled circuit is connected to by switching K3 and switch K4, anti-stifled circuit other end connection Uniderectional DC-DC power output end D
Positive pole D+；
The input C negative poles C- and outfan D negative poles of port A negative pole A-, port B negative poles B- and Uniderectional DC-DC power supply
D- common ground connections.
The soft starting circuit includes that the first soft starting circuit and the second soft starting circuit, port A pass through the first soft start
Circuit is connected with Uniderectional DC-DC power input C, and port B is by the second soft starting circuit and Uniderectional DC-DC power input C
Connection.
First soft starting circuit includes switching K9 and switch K10, after switch K9 series resistances R1 with switch K10 simultaneously
Connection, second soft starting circuit include switching K11 and switch K12, in parallel with switch K12 after switch K11 series resistances R2；
The port A positive poles A+ connects one end of the first soft starting circuit, and the other end of the first soft starting circuit leads to respectively
Cross the positive pole D+ of the positive pole C+ and outfan D of switch K1 and switch K2 connection Uniderectional DC-DC power input C；
The port B positive poles B+ connects one end of the second soft starting circuit, and the other end of the second soft starting circuit leads to respectively
Cross the positive pole D+ of the positive pole C+ and outfan D of switch K5 and switch K6 connection Uniderectional DC-DC power input C；
The port A negative poles A- connects the negative pole C- of Uniderectional DC-DC power input C respectively by switching K3 and switch K4
And the negative pole D- of outfan D；
The port B negative poles B- connects the negative pole C- of Uniderectional DC-DC power input C respectively by switching K7 and switch K8
And the negative pole D- of outfan D.
First soft starting circuit includes switching K5 and switch K6, in parallel with switch K6 after switch K5 series resistances R1,
Second soft starting circuit includes switching K7 and switch K8, in parallel with switch K8 after switch K7 series resistances R2；
The port A positive poles A+ connects one end of the first soft starting circuit, and the other end of the first soft starting circuit leads to respectively
Cross the positive pole D+ of the positive pole C+ and outfan D of switch K1 and switch K2 connection Uniderectional DC-DC power input C；
The port B positive poles B+ connects one end of the second soft starting circuit, and the other end of the second soft starting circuit leads to respectively
Cross the positive pole D+ of the positive pole C+ and outfan D of switch K3 and switch K4 connection Uniderectional DC-DC power input C；
The negative pole A- of the port A, the negative pole B- of port B, the negative pole C- of Uniderectional DC-DC power input C and outfan D
Negative pole D- common ground connections.
The switch is gate-controlled switch；Also include that the master controller MCU of Uniderectional DC-DC power supply, master controller MCU are used for
Receive host computer to instruct and control switching on or off for gate-controlled switch.
The control method of this utility model control circuit, including start-up control method and shutdown control method, wherein, start
Control method is comprised the following steps：
The master controller MCU of Uniderectional DC-DC power supply first receives host computer instruction, when instruction is flowed to from port A for energy
During the B of port, i.e. port A is an externally input end, and port B is outside outfan；When instruction flows to port A for energy from port B,
That is port B is an externally input end, and port A is outside outfan, then carries out soft start；
The input capacitance Ci composition loop of MCU control external input terminals, soft starting circuit and Uniderectional DC-DC power supply, is defeated
Enter electric capacity Ci precharge, while corresponding voltage sample value V1 of input capacitance Ci is detected, when V1 magnitudes of voltage and external input terminals electricity
When pressure reduction is less than 5V, soft start terminates；
Then, MCU controls external input terminals and the input short circuit of Uniderectional DC-DC power supply, then start Uniderectional DC-DC electricity
Source so that corresponding voltage sample value V2 of output capacitance Co of Uniderectional DC-DC power output end rises, when output voltage V2 rises
To poor with outside output end voltage less than 5V when, control outside outfan connect with the outfan of Uniderectional DC-DC power supply, started shooting
Journey terminates；
Shutdown control method is comprised the following steps：
It is first shut off Uniderectional DC-DC power supply so that output voltage V2 declines, when Uniderectional DC-DC electric power outputting current is 0A
When, disconnect the connection of outside outfan and Uniderectional DC-DC power output end；When Uniderectional DC-DC mains input current is less than 0.1A
When, the short circuit of external input terminals and Uniderectional DC-DC power supply is disconnected, and time delay 100ms disconnects soft starting circuit, is then turned off outside
Outfan and the connection of the outfan of Uniderectional DC-DC power supply, are disconnected external input terminals and are directly connected with soft starting circuit, shut down
Process terminates.
Traditional bi-directional DC-DC power supply needs outlet side to be both needed to adopt with outlet side in order to realize energy in bidirectional flow
With the high frequency gate-controlled switch device such as IGBT, MOS.However, Uniderectional DC-DC power supply, in general, input side is opened from high frequency is controllable
Device is closed, outlet side need to only adopt diode rectification.
Compared with prior art, this utility model at least has the advantages that：This utility model is with Uniderectional DC-DC electricity
Source is platform, realizes energy in bidirectional flow by way of logic switch, for comparing traditional bi-directional DC-DC power supply, this reality
High frequency chopping switching device need not be set in outlet side with new, therefore the control hardly possible for reducing cost and system of high degree
Degree, enhances the reliability of power work.When power-supply device is safeguarded, moved, in order to ensure personal safety, power-supply device power-off
Afterwards, need to wait after power supply outside port voltage drops to safe voltage, can be operated accordingly, power-supply device defeated
Entering side and outlet side has the electric capacity of larger capacity, and discharge time is long, in order to shorten maintenance time, it usually needs in power-supply device
Input side and outlet side increase discharge circuit so that port voltage is quickly fallen to below safe voltage, this utility model lead to
Shut-off switching switch is crossed, the connection of input side and output lateral capacitance and power-supply device port has been cut off so that power port voltage
Rapid decline, reduces the waiting time, and need not increase discharge circuit, reduces system control difficulty.
By being connected with anti-stifled circuit between outside outfan and Uniderectional DC-DC power output end, it is to avoid outside output
End is charged to the output capacitance of Uniderectional DC-DC power output end.
To sum up, the DC-DC of energy in bidirectional flow, with Uniderectional DC-DC power supply as platform, is realized by way of logic switch
Power supply reduces the use of high frequency chopping device, effectively reduces system cost and control difficulty, improves the reliability of power supply.
Description of the drawings
Fig. 1 is the schematic diagram of bi-directional DC-DC power principle of the present utility model.
Fig. 2 is flowed to the principle schematic during B of port for this utility model energy by port A.
Fig. 3 is flowed to the principle schematic during A of port for this utility model energy by port B.
Principle schematics of the Fig. 4 for this utility model embodiment 2.
Principle schematics of the Fig. 5 for this utility model embodiment 3.
Principle schematics of the Fig. 6 for this utility model embodiment 4.
Specific embodiment
With reference to the accompanying drawings and detailed description this utility model is described in detail.
Embodiment 1：This utility model is made up of Uniderectional DC-DC power supply, switching circuit, the main control of Uniderectional DC-DC power supply
Instructions of the device MCU by reception host computer, so that it is determined that energy Flow direction, in the present embodiment, anti-stifled circuit includes parallel connection
The switch K11 and diode D1 of setting, the soft starting circuit include switching K9 and switch K10, after switch K9 series resistances R1
In parallel with switch K10；
As shown in figure 1, port A positive poles A+ and port B positive poles B+ are connected to soft start by switching K1 and switch K2 respectively
One end of circuit, the soft starting circuit other end connect Uniderectional DC-DC power input C positive pole C+；Port A positive poles A+ and port B
Positive pole B+ is also connected to one end of anti-stifled circuit respectively by switching K5 and switch K6, and the anti-stifled circuit other end connects unidirectional DC-
D/C power outfan D positive pole D+；
Port A negative poles A- and port B negative poles B- are connected to the defeated of Uniderectional DC-DC power supply by switching K3 and switch K4 respectively
Enter to hold C negative pole C-；Port A negative poles A- and port B negative poles B- are also connected to Uniderectional DC-DC electricity by switching K7 and switch K8 respectively
The outfan D negative pole D- in source.
Circuit control method of the present utility model is as follows, and the master controller MCU of Uniderectional DC-DC power supply receives host computer first
Instruction, when instruction flows to B for energy from A, as shown in Fig. 2 start process is as follows：
A1, MCU controlling switch K1, K3, K6, K8 are open-minded, switch K2, K4, K5, K7 shut-off, now, port A+, A- and C+,
C- is connected, and port B+, B- are connected with D+, D-；
A2, MCU control Soft Start Switch K9 is open-minded, and port A is input capacitance Ci by switching K1, switch K9, resistance R1
Precharge, while corresponding voltage sample value V1 of input capacitance Ci is detected, when V1 voltages are less than 5V with port A voltage differences, soft
Proceed-to-send；
A3, adhesive switch K10；
A4, startup Uniderectional DC-DC power supply so that corresponding voltage sample value V2 of output capacitance Co rises；
A5, when output voltage V2 rises to and is less than 5V with port B voltage difference, controlling switch K11 is turned on, and start process is tied
Beam；
When instruction flows to B for energy from A, as shown in Fig. 2 shutdown process is as follows：
B1, the first step, close Uniderectional DC-DC power supply so that output voltage V2 declines；
B2, when Uniderectional DC-DC electric power outputting current be 0A when, controlling switch K11 turn off；
B3, when Uniderectional DC-DC mains input current be less than 0.1A when, controlling switch K10 turn off；
B4, the shut-off of time delay 100ms controlling switches K9；
B5, MCU controlling switch K1, K3, K6, K8 shut-off, shutdown process terminate.
When instruction flows to A for energy from B, as shown in figure 3, start process is as follows：
A1, MCU controlling switch K2, K4, K5, K7 are open-minded, switch K1, K3, K6, K8 shut-off.Now, port A+, A- and D+,
D- is connected, and port B+, B- are connected with C+, C-；
A2, MCU control Soft Start Switch K9 is open-minded, and input is pre-charged for input capacitance Ci by K2, K9, R1；Examine simultaneously
Voltage V1 is surveyed, when V1 voltages are less than 5V with port B voltage differences；Soft start terminates；
A3, adhesive switch K10.
A4, starts Uniderectional DC-DC power supply so that output voltage V2 rises.
A5, when output voltage V2 rises to consistent with port A voltages when, controlling switch K11 is turned on, and start process terminates；
When instruction flows to A for energy from B, as shown in figure 3, shutdown process is as follows：
B1, closes Uniderectional DC-DC power supply so that output voltage V2 declines.
B2, when Uniderectional DC-DC electric power outputting current is 0A, controlling switch K11 is turned off.
B3, when Uniderectional DC-DC mains input current is less than 0.1A, controlling switch K10 is turned off.
B4, time delay 100ms controlling switch K9 is turned off.
B5, MCU controlling switch K2, K4, K5, K7 shut-off, shutdown process terminate.
Embodiment 2, as shown in figure 4, in the present embodiment, port A positive pole A+, port B positive poles B+ and Uniderectional DC-DC power supply
Between input C positive poles C+ and outfan D positive pole D+, annexation is same as Example 1, port A negative pole A-, port B negative poles
The input C negative poles C- of B- and Uniderectional DC-DC power supply and outfan D negative pole D- common ground connections, this scheme is not for isolating
DC-DC converter.
Embodiment 3, as shown in figure 5, being provided with two soft starting circuits in the present embodiment, is the first soft starting circuit respectively
With the second soft starting circuit, the first soft starting circuit includes switching K9 and switch K10, with switch after switch K9 series resistances R1
K10 is in parallel, and second soft starting circuit includes switching K11 and switch K12, after switch K11 series resistances R2 with switch K12 simultaneously
Connection；
Port A positive poles A+ connects one end of the first soft starting circuit, and the other end of the first soft starting circuit is respectively by opening
Close the positive pole D+ of the positive pole C+ and outfan D of K1 and switch K2 connection Uniderectional DC-DC power input C；
Port B positive poles B+ connects one end of the second soft starting circuit, and the other end of the second soft starting circuit is respectively by opening
Close the positive pole D+ of the positive pole C+ and outfan D of K5 and switch K6 connection Uniderectional DC-DC power input C；
The port A negative poles A- connects the negative pole C- of Uniderectional DC-DC power input C respectively by switching K3 and switch K4
And the negative pole D- of outfan D；
The port B negative poles B- connects the negative pole C- of Uniderectional DC-DC power input C respectively by switching K7 and switch K8
And the negative pole D- of outfan D；The present embodiment is that with the difference of embodiment 1 embodiment 1 middle port A positive poles A+ and port B are just
Pole B+ is the positive pole C+ for being connected to Uniderectional DC-DC power input C by same soft starting circuit, and in the present embodiment, end
Mouthful A positive poles A+ and port B positive poles B+ is respectively connected with a soft starting circuit, and such structure design can reduce same soft open
The poor problem of ruggedness that galvanic electricity road is present, effectively extends service life of the present utility model.
Embodiment 4, with reference to Fig. 6, in the present embodiment, port A positive pole A+, port B positive poles B+ and Uniderectional DC-DC power supply are defeated
Enter to hold annexation between C positive poles C+ and outfan D positive pole D+ same as Example 3, port A negative pole A-, port B negative pole B-
And input C negative poles C- and the outfan D negative pole D- common ground connections of Uniderectional DC-DC power supply, this scheme is for the DC- not isolated
DC changers.
Claims (9)
1. a kind of bi-directional DC-DC power control circuit, it is characterised in that including port A, port B, soft starting circuit and unidirectional
DC-DC power source, the Uniderectional DC-DC power supply include input C and outfan D, when energy flows to port B from port A, described
Port A is connected with Uniderectional DC-DC power input C by soft starting circuit, and port B and Uniderectional DC-DC power output end D connects
Logical, when energy flows to port A from port B, the port B is connected with Uniderectional DC-DC power input C by soft starting circuit
Logical, port A is connected with Uniderectional DC-DC power output end D.
2. a kind of bi-directional DC-DC power control circuit according to claim 1, it is characterised in that also include counter block up circuit,
Port A and port B connect Uniderectional DC-DC power output end D positive pole D+ by anti-stifled circuit.
3. a kind of bi-directional DC-DC power control circuit according to claim 2, it is characterised in that the anti-stifled circuit bag
The switch K11 and diode D1 being arranged in parallel is included, the soft starting circuit includes switching K9 and switch K10, switchs K9 series electricals
In parallel with switch K10 after resistance R1；
Port A positive poles A+ and port B positive poles B+ are connected to one end of soft starting circuit respectively by switching K1 and switch K2, soft open
Galvanic electricity road other end connection Uniderectional DC-DC power input C positive pole C+；Port A positive poles A+ and port B positive pole B+ also pass through respectively
Switch K5 and switch K6 are connected to one end of anti-stifled circuit, anti-stifled circuit other end connection Uniderectional DC-DC power output end D positive poles
D+；
Port A negative poles A- and port B negative poles B- are connected to the input of Uniderectional DC-DC power supply respectively by switching K3 and switch K4
C negative pole C-；Port A negative poles A- and port B negative poles B- are also connected to Uniderectional DC-DC power supply by switching K7 and switch K8 respectively
Outfan D negative pole D-.
4. a kind of bi-directional DC-DC power control circuit according to claim 3, it is characterised in that when energy is flowed from port A
During to port B, the port A positive poles A+ is connected with the positive pole C+ of Uniderectional DC-DC power input C by soft starting circuit, end
Mouth A negative poles A- is connected with the negative pole C- of Uniderectional DC-DC power input C；Port B positive poles B+ is by anti-stifled circuit and unidirectional DC-
The positive pole D+ connections of D/C power outfan D, port B negative poles B- are connected with the negative pole D- of Uniderectional DC-DC power output end D；
When energy flows to port A from port B, the port B positive poles B+ is by soft starting circuit and Uniderectional DC-DC power input
The positive pole C+ connections of end C, port B negative poles B- are connected with the negative pole C- of Uniderectional DC-DC power input C；Port A positive pole A+ pass through
Anti- stifled circuit is connected with the positive pole D+ of Uniderectional DC-DC power output end D, port A negative poles A- and Uniderectional DC-DC power output end D
Negative pole D- connection.
5. a kind of bi-directional DC-DC power control circuit according to claim 2, it is characterised in that the anti-stifled circuit bag
The switch K7 and diode D1 being arranged in parallel is included, the soft starting circuit includes switching K9 and switch K10, switchs K9 series resistances
In parallel with switch K10 after R1；
Port A positive poles A+ and port B positive poles B+ are connected to one end of soft starting circuit respectively by switching K1 and switch K2, soft open
Galvanic electricity road other end connection Uniderectional DC-DC power input C positive pole C+；Port A positive poles A+ and port B positive pole B+ also pass through respectively
Switch K3 and switch K4 are connected to one end of anti-stifled circuit, anti-stifled circuit other end connection Uniderectional DC-DC power output end D positive poles
D+；
The input C negative poles C- of port A negative pole A-, port B negative poles B- and Uniderectional DC-DC power supply and outfan D negative poles D- is altogether
Ground connection.
6. a kind of bi-directional DC-DC power control circuit according to claim 1, it is characterised in that the soft starting circuit
Including the first soft starting circuit and the second soft starting circuit, port A is by the first soft starting circuit and Uniderectional DC-DC power input
End C connections, port B are connected with Uniderectional DC-DC power input C by the second soft starting circuit.
7. a kind of bi-directional DC-DC power control circuit according to claim 6, it is characterised in that first soft start
Circuit includes switching K9 and switch K10, in parallel with switch K10 after switch K9 series resistances R1, the second soft starting circuit bag
Switch K11 and switch K12 is included, in parallel with switch K12 after switch K11 series resistances R2；
The port A positive poles A+ connects one end of the first soft starting circuit, and the other end of the first soft starting circuit is respectively by opening
Close the positive pole D+ of the positive pole C+ and outfan D of K1 and switch K2 connection Uniderectional DC-DC power input C；
The port B positive poles B+ connects one end of the second soft starting circuit, and the other end of the second soft starting circuit is respectively by opening
Close the positive pole D+ of the positive pole C+ and outfan D of K5 and switch K6 connection Uniderectional DC-DC power input C；
The port A negative poles A- respectively by switch K3 and switch K4 connect Uniderectional DC-DC power input C negative pole C- and
The negative pole D- of outfan D；
The port B negative poles B- respectively by switch K7 and switch K8 connect Uniderectional DC-DC power input C negative pole C- and
The negative pole D- of outfan D.
8. a kind of bi-directional DC-DC power control circuit according to claim 6, it is characterised in that first soft start
Circuit includes switching K5 and switch K6, and in parallel with switch K6 after switch K5 series resistances R1, second soft starting circuit includes
Switch K7 and switch K8, in parallel with switch K8 after switch K7 series resistances R2；
The port A positive poles A+ connects one end of the first soft starting circuit, and the other end of the first soft starting circuit is respectively by opening
Close the positive pole D+ of the positive pole C+ and outfan D of K1 and switch K2 connection Uniderectional DC-DC power input C；
The port B positive poles B+ connects one end of the second soft starting circuit, and the other end of the second soft starting circuit is respectively by opening
Close the positive pole D+ of the positive pole C+ and outfan D of K3 and switch K4 connection Uniderectional DC-DC power input C；
The negative pole A- of the port A, the negative pole B- of port B, the negative pole C- of Uniderectional DC-DC power input C and outfan D negative
Pole D- common ground connections.
9. a kind of bi-directional DC-DC power control circuit according to 2,3,4,5,7 or 8 any one of claim, its feature exist
In switch is gate-controlled switch；Also include the master controller MCU of Uniderectional DC-DC power supply, master controller MCU is upper for receiving
Machine is instructed and controls switching on or off for gate-controlled switch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620679068.1U CN206023574U (en) | 2016-06-30 | 2016-06-30 | A kind of two-way DC D/C powers control circuit |
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| CN201620679068.1U CN206023574U (en) | 2016-06-30 | 2016-06-30 | A kind of two-way DC D/C powers control circuit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420243A (en) * | 2017-08-25 | 2017-12-01 | 彭冬亮 | A kind of economizer circuit for controlling output voltage |
| WO2018001257A1 (en) * | 2016-06-30 | 2018-01-04 | 西安特锐德智能充电科技有限公司 | Bidirectional dc-dc power control circuit and control method therefor |
| WO2021204519A1 (en) * | 2020-04-09 | 2021-10-14 | Richter R & W - Steuerungstechnik GmbH | Dc-to-dc converter device and control/regulating system for a power grid |
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2016
- 2016-06-30 CN CN201620679068.1U patent/CN206023574U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018001257A1 (en) * | 2016-06-30 | 2018-01-04 | 西安特锐德智能充电科技有限公司 | Bidirectional dc-dc power control circuit and control method therefor |
| CN107420243A (en) * | 2017-08-25 | 2017-12-01 | 彭冬亮 | A kind of economizer circuit for controlling output voltage |
| WO2021204519A1 (en) * | 2020-04-09 | 2021-10-14 | Richter R & W - Steuerungstechnik GmbH | Dc-to-dc converter device and control/regulating system for a power grid |
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Address after: No. e206-2, R & D building, building e, HUanpu science and Technology Industrial Park, 211 tianguba Road, high tech Zone, Xi'an City, Shaanxi Province, 710077 Patentee after: Xi'an Telai Intelligent Charging Technology Co.,Ltd. Address before: No. e206-2, R & D building, building e, HUanpu science and Technology Industrial Park, 211 tianguba Road, high tech Zone, Xi'an City, Shaanxi Province, 710077 Patentee before: XI'AN TGOOD INTELLIGENT CHARGING TECHNOLOGY Co.,Ltd. |
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