CN219918498U - Power module capable of temporarily storing energy based on isolation - Google Patents
Power module capable of temporarily storing energy based on isolation Download PDFInfo
- Publication number
- CN219918498U CN219918498U CN202321374978.5U CN202321374978U CN219918498U CN 219918498 U CN219918498 U CN 219918498U CN 202321374978 U CN202321374978 U CN 202321374978U CN 219918498 U CN219918498 U CN 219918498U
- Authority
- CN
- China
- Prior art keywords
- module
- pin
- power supply
- isolation
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000002955 isolation Methods 0.000 title claims abstract description 89
- 238000004146 energy storage Methods 0.000 claims abstract description 66
- 238000001914 filtration Methods 0.000 claims abstract description 42
- 230000003287 optical effect Effects 0.000 claims abstract description 27
- 238000010521 absorption reaction Methods 0.000 claims abstract description 16
- 239000003990 capacitor Substances 0.000 claims description 80
- 230000001052 transient effect Effects 0.000 claims description 11
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Direct Current Feeding And Distribution (AREA)
Abstract
The utility model belongs to the technical field of power modules, and discloses a power module capable of temporarily storing energy based on isolation; the device comprises a connection module connected with an FPGA chip, a direct current power supply and a load circuit, and a filtering module, a surge unit, an isolated power supply unit and an output end absorption module which are sequentially connected; the connecting module is connected with the filtering module and the output end absorbing module; an energy storage module is also connected between the surge unit and the isolation power supply unit; the direct-current power supply simultaneously supplies power to the isolation power supply unit and the energy storage module through the connecting module, the filtering module and the surge unit; after the direct current power supply is powered off, the energy storage module supplies power for the isolation power supply unit; an optical coupler control module is arranged between the connecting module and the isolation power supply unit, and the optical coupler control module controls the on-off of the isolation power supply unit according to a control signal of the FPGA chip. Through setting up energy storage module, after direct current power supply loses the electricity, by energy storage module indirect power supply for load circuit, guarantee load circuit's normal operating.
Description
Technical Field
The utility model belongs to the technical field of power modules, and relates to a power module capable of temporarily storing energy based on isolation.
Background
The power electronic technology is an important supporting technology in the fields of national economy and national security, and is an important technical means for realizing energy conservation, environmental protection and improving the life quality of people. High efficiency and high quality power conversion is the ultimate goal of power electronics technology development. The power supply module is a voltage conversion module for converting input voltage into another voltage for output, and is widely applied to the communication fields of switching equipment, access equipment, mobile communication, microwave communication, optical transmission, routers and the like, automobile electronics, aerospace and the like at present.
The power supply plays a very important role in a system. In a sense, the power source can be considered the heart of the system. The power supply provides continuous and stable energy to the circuit of the system and protects the system from external intrusion; in the system circuit, if power failure occurs in the power supply, the system circuit cannot save the system data in time due to the power failure, and the system data is easy to lose.
Disclosure of Invention
The utility model solves the technical problem of providing the power module capable of temporarily storing energy based on isolation, which is characterized in that the energy storage module is arranged, and after the direct-current power supply is powered down, the energy storage module indirectly supplies power to a load circuit, so that the normal operation of the load circuit is ensured.
The utility model is realized by the following technical scheme:
the power module capable of temporarily storing energy based on isolation comprises a connection module connected with an FPGA chip, a direct current power supply and a load circuit, and a filtering module, a surge unit, an isolation power supply unit and an output end absorption module which are sequentially connected; the connecting module is connected with the filtering module and the output end absorbing module;
an energy storage module is also connected between the surge unit and the isolation power supply unit;
the direct-current power supply simultaneously supplies power to the isolation power supply unit and the energy storage module through the connecting module, the filtering module and the surge unit; after the direct current power supply is powered off, the energy storage module supplies power for the isolation power supply unit;
an optical coupler control module is arranged between the connecting module and the isolation power supply unit, and the optical coupler control module controls the on-off of the isolation power supply unit according to a control signal of the FPGA chip.
Further, the direct current power supply is a 28V direct current power supply; the power-down time of the 28V direct current power supply is not longer than 50ms;
the connection module is used for being connected with the FPGA chip, the 28V direct current power supply and the load circuit;
the filtering module is connected with the connecting module and used for filtering high-frequency clutter and interference signals of the 28V direct current power supply;
the surge unit is connected with the filtering module and used for limiting transient high voltage which is fleed in through the connecting module and the filtering module;
the 28V direct current power supply is used for supplying power to the isolation power supply unit through the connecting module, the filtering module and the surge unit, and the isolation power supply unit converts the 28V direct current power supply into 12V power supply voltage;
the 28V direct current power supply supplies power to the energy storage module through the connecting module, the filtering module and the surge unit, and the energy storage module supplies power to the isolation power supply unit after the 28V direct current power supply is powered down;
the output end absorption module is connected with the isolation power supply unit and filters 12V power supply voltage; the output end absorption module is connected with the connection module and provides 12V power supply voltage for the load circuit through the connection module;
and the optical coupler control module is connected with the connection module and used for controlling the on-off of the isolation power supply unit according to the control signal of the FPGA chip.
Further, the connection module includes a connector P2, a forty-sixth pin of the connector P2 is connected to the dc_in+ terminal, a forty-seventh pin of the connector P2 is connected to the dc_in-terminal, first, second, third and fourth pins of the connector P2 are all connected to the vcc_12v terminal, fifth, sixth, seventh, eighth, ninth, tenth, eleventh and twelfth pins of the connector P2 are grounded, a twenty-first pin of the connector P2 is connected to the optocoupler control module, a twenty-fourth pin of the connector P2 is connected to the optocoupler control module, and a forty-fifth pin of the connector P2 is grounded.
Further, the filtering module comprises inductors L1 and L2;
a first pin of the inductor L1 is connected with the DC_IN+ terminal, and a second pin of the inductor L1 is connected with the DC_IN-terminal; a diode D1, capacitors C1 and C5 connected in series and capacitors C2 and C14 connected in series are connected between the first pin and the second pin of the inductor L1 in a bridging manner; the first pin of the inductor L1 is connected with the cathode of the diode D1, and the second pin of the inductor L1 is connected with the anode of the diode D1; the ground is connected between the capacitors C1 and C5;
the third pin and the fourth pin of the inductor L1 are respectively connected with the second pin and the first pin of the inductor L2; the fourth pin of the inductor L2 is connected with an IN+28V terminal, and the third pin of the inductor L2 is connected with a power ground wire;
c3, C6 and C7 are connected between the first pin and the second pin of the inductor L2 in a bridging mode; a diode D2 and capacitors C4 and C8 are connected between the third pin and the fourth pin of the inductor L2 in a bridging mode; the negative electrode of the diode D2 is connected with an IN+28V terminal, and the positive electrode of the diode D2 is connected with a power ground wire.
Further, the surge unit includes a surge module P9; the first pin of the surge module P9 is connected with an IN+28V terminal, and the second pin of the surge module P9 is connected with a power ground wire; the capacitors C9 and C10 are connected between the first pin and the second pin of the surge module P9 in a bridging mode;
the third pin of the surge module P9 is grounded, the fourth pin of the surge module P9 is connected with the anodes of the diodes D3 and D4, the cathode of the diode D4 is connected with the energy storage module, and the cathode of the diode D3 is connected with the VIN_28V terminal;
the third and fourth pins of the surge module P9 are connected across capacitors C21, C22, C29, and C30.
Further, the energy storage module comprises an energy storage capacitor group formed by connecting capacitors C11, C12, C16, C17, C18, C19 and C20 in parallel; the input end of the energy storage capacitor group is connected with one end of a resistor R1 through a diode D4, the other end of the resistor R1 is connected with one end of the energy storage capacitor group and the positive electrode of a diode D5, and the negative electrode of the diode D5 is connected with a VIN_28V terminal;
the other end of the energy storage capacitor group is connected with the power ground wire.
Further, the isolation power supply unit comprises an isolation power supply module P1, and a first pin of the isolation power supply module P1 is connected with the VIN_28V terminal; the second pin of the isolation power module P1 is grounded; the first pin and the second pin of the isolated power module P1 are connected with the capacitors C23, C32, C33 and C34 in a bridging way;
the fourth pin of the isolation power module P1 is grounded, and capacitors C24, C25, C26 and C27 are connected between the third pin and the fourth pin of the isolation power module P1 in a bridging mode;
the third pin of the isolation power module P1 is connected with one end of an inductor L3, and the other end of the inductor L3 is connected with one ends of capacitors C28 and C31 and a VCC_12V terminal; the other ends of the capacitors C28 and C31 are connected with a fourth pin of the isolated power module P1;
the fifth pin and the sixth pin of the isolated power module P1 are suspended; the seventh pin of the isolated power module P1 is connected with the optocoupler control module.
Further, the optocoupler control module comprises an optocoupler controller U1; the first pin of the optical coupler controller U1 is connected with an IN+28V terminal;
the second pin of the optical coupler controller U1 is connected with one end of the resistors R2, R3 and R4, and the other end of the resistor R2, R3 and R4 is connected with the twenty-first pin of the connector P2 after being connected in parallel;
a diode D6 is connected between the first pin and the second pin of the optical coupler controller U1 in a bridging mode, the negative electrode of the diode D6 is connected with the first pin of the U1, and the positive electrode of the diode D6 is connected with the second pin of the U1;
the third pin of the optical coupler controller U1 is connected with the seventh pin of the isolation power module P1; the fourth pin of the optocoupler controller U1 is grounded to the power ground and the twenty-fourth pin of the connector P2.
Further, the output absorption module comprises a filter capacitor group formed by connecting capacitors C15, C13, C35, C36, C37 and C38 in parallel, one end of the filter capacitor group is connected with a VCC_12V terminal, and the other end of the filter capacitor group is connected with a power ground wire.
Compared with the prior art, the utility model has the following beneficial technical effects:
according to the power module capable of temporarily storing energy based on isolation, the connecting module, the filtering module, the surge unit, the isolation power unit, the optocoupler control module and the output absorption module are reasonably wired to realize the conversion of a direct-current power supply into voltage required by a load circuit; during normal operation, the direct current power supply simultaneously supplies power to the isolation power supply unit and the energy storage module after the direct current power supply is subjected to filtering anti-surge treatment through the filtering module and the surge unit; through setting up energy storage module, after direct current power supply loses the electricity, can be by energy storage module for keeping apart the power supply unit power supply, keep apart the power supply unit and convert the power supply voltage that energy storage module stored, absorb the module after the filtration for load circuit through the output, guarantee load circuit's normal operating, can not appear because of losing the problem that electric conductance causes system data to lose.
Drawings
FIG. 1 is a block diagram of a power module of the present utility model;
fig. 2 is a circuit diagram of the connector P2;
FIG. 3 is a circuit diagram of a filter module;
FIG. 4 is a circuit diagram of a surge unit;
FIG. 5 is a circuit diagram of an energy storage module;
FIG. 6 is a circuit diagram of an isolated power supply unit;
FIG. 7 is a circuit diagram of an optocoupler control module;
fig. 8 is a circuit diagram of the output side sink module.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings, which illustrate but do not limit the utility model.
See fig. 1-8; the utility model discloses an isolation-based power module capable of temporarily storing energy, which comprises a connection module, a filtering module, a surge unit, an isolation power unit and an output end absorption module, wherein the connection module is connected with an FPGA chip, a direct current power supply and a load circuit; the connecting module is connected with the filtering module and the output end absorbing module.
The FPGA chip, the direct current power supply and the load circuit are external, the FPGA chip can send control signals to the optocoupler control module through the connecting module, and the optocoupler control module controls the on-off of the isolation power supply unit according to the control signals of the FPGA chip so as to realize the control of the switch of the whole power supply module.
An energy storage module is also connected between the surge unit and the isolation power supply unit; the direct-current power supply simultaneously supplies power to the isolation power supply unit and the energy storage module through the connecting module, the filtering module and the surge unit; after the direct current power supply is powered off, the energy storage module supplies power for the isolation power supply unit; an optical coupler control module is arranged between the connecting module and the isolation power supply unit, and the optical coupler control module controls the on-off of the isolation power supply unit according to a control signal of the FPGA chip.
The direct current power supply is a 28V direct current power supply; the power-down time of the 28V direct current power supply is not longer than 50ms.
And the connection module is used for being connected with the FPGA chip, the 28V direct current power supply and the load circuit.
And the filtering module is connected with the connecting module and used for filtering high-frequency clutter and interference signals of the 28V direct current power supply.
And the surge unit is connected with the filtering module and used for limiting transient high voltage which is fleed in through the connecting module and the filtering module.
The 28V direct current power supply is used for supplying power to the isolation power supply unit through the connecting module, the filtering module and the surge unit, and the isolation power supply unit converts the 28V direct current power supply into 12V power supply voltage.
The energy storage module is connected with the surge unit, the 28V direct current power supply supplies power to the energy storage module through the connecting module, the filtering module and the surge unit, and after the 28V direct current power supply is powered down, namely, when the power failure time of the 28V direct current power supply is not longer than 50ms, the energy storage module supplies power to the isolation power supply unit, so that the whole power supply module can work normally.
The output end absorption module is connected with the isolation power supply unit and filters 12V power supply voltage; the output end absorption module is connected with the connection module and provides 12V power supply voltage for the load circuit through the connection module.
And the optical coupler control module is connected with the connection module and used for controlling the on-off of the isolation power supply unit according to the control signal of the FPGA chip.
The power module capable of temporarily storing energy based on isolation is a 3U power module, wherein 3U represents that the size of the power module is 100 x 160 x 20.83mm; the size power module can reduce the occupied space of the PCB; the short-term energy storage means that the 28V direct-current power supply is powered down temporarily (the power-down time is not longer than 50 ms), the energy storage module can supply power for the isolation power supply unit in a short time (not longer than 50 ms), the isolation power supply unit converts the power supply voltage stored by the energy storage module, the power supply is supplied to the load circuit after being filtered by the output end absorption module, and the normal operation of the load circuit is ensured.
The connection module comprises a connector P2, a forty-sixth pin of the connector P2 is connected with a DC_IN+ terminal, a forty-seventh pin of the connector P2 is connected with a DC_IN-terminal, first, second, third and fourth pins of the connector P2 are all connected with a VCC_12V terminal, fifth, sixth, seventh, eighth, ninth, tenth, eleventh and twelfth pins of the connector P2 are connected with a power ground wire, a twenty-first pin of the connector P2 is connected with an optocoupler control module, a twenty-fourth pin of the connector P2 is connected with an optocoupler control module, and a forty-fifth pin of the connector P2 is grounded.
The filtering module comprises inductors L1 and L2; a first pin of the inductor L1 is connected with the DC_IN+ terminal, and a second pin of the inductor L1 is connected with the DC_IN-terminal; a diode D1, capacitors C1 and C5 connected in series and capacitors C2 and C14 connected in series are connected between the first pin and the second pin of the inductor L1 in a bridging manner; the first pin of the inductor L1 is connected with the cathode of the diode D1, and the second pin of the inductor L1 is connected with the anode of the diode D1; the ground is connected between the capacitors C1 and C5; the third pin and the fourth pin of the inductor L1 are respectively connected with the second pin and the first pin of the inductor L2; the fourth pin of the inductor L2 is connected with an IN+28V terminal, and the third pin of the inductor L2 is connected with a power ground wire; c3, C6 and C7 are connected between the first pin and the second pin of the inductor L2 in a bridging mode; a diode D2 and capacitors C4 and C8 are connected between the third pin and the fourth pin of the inductor L2 in a bridging mode; the negative electrode of the diode D2 is connected with an IN+28V terminal, and the positive electrode of the diode D2 is connected with a power ground wire.
The filtering module is used as a first filtering circuit in the 3U power supply module and is used for filtering high-frequency clutter and interference signals in the 28V direct current power supply.
The surge unit comprises a surge module P9; the first pin of the surge module P9 is connected with an IN+28V terminal, and the second pin of the surge module P9 is connected with a power ground wire; the capacitors C9 and C10 are connected between the first pin and the second pin of the surge module P9 in a bridging mode; the third pin of the surge module P9 is grounded, the fourth pin of the surge module P9 is connected with the anodes of the diodes D3 and D4, the cathode of the diode D4 is connected with the energy storage module, and the cathode of the diode D3 is connected with the VIN_28V terminal; the third and fourth pins of the surge module P9 are connected across capacitors C21, C22, C29, and C30.
The surge unit protects an energy storage module, an isolated power supply unit, etc. connected to the rear end of the surge unit from damage caused by a transient high voltage, which is a voltage generated when the connector P2 encounters lightning or static electricity, through diodes D3 and D4 and capacitors C9, C10, C29, C30, C21, C22.
The energy storage module comprises an energy storage capacitor group formed by connecting capacitors C11, C12, C16, C17, C18, C19 and C20 in parallel; the input end of the energy storage capacitor group is connected with one end of a resistor R1 through a diode D4, the other end of the resistor R1 is connected with one end of the energy storage capacitor group and the positive electrode of a diode D5, and the negative electrode of the diode D5 is connected with a VIN_28V terminal; the other end of the energy storage capacitor group is connected with the power ground wire.
The energy storage capacitor group of the energy storage module is used for storing electric energy, when the power-down time of the 28V direct current power supply is not longer than 50ms, the energy storage module supplies power to the isolation power supply unit, the isolation power supply unit converts the power supply voltage stored by the energy storage module, and the power supply unit supplies power to the load circuit after filtering by the output end absorption module, so that the normal operation of the load circuit is ensured.
The isolation power supply unit comprises an isolation power supply module P1, and a first pin of the isolation power supply module P1 is connected with a VIN_28V terminal; the second pin of the isolation power module P1 is grounded; the first pin and the second pin of the isolated power module P1 are connected with the capacitors C23, C32, C33 and C34 in a bridging way; the fourth pin of the isolation power module P1 is grounded, and capacitors C24, C25, C26 and C27 are connected between the third pin and the fourth pin of the isolation power module P1 in a bridging mode; the third pin of the isolation power module P1 is connected with one end of an inductor L3, and the other end of the inductor L3 is connected with one ends of capacitors C28 and C31 and a VCC_12V terminal; the other ends of the capacitors C28 and C31 are connected with a fourth pin of the isolated power module P1; the fifth pin and the sixth pin of the isolated power module P1 are suspended; the seventh pin of the isolated power module P1 is connected with the optocoupler control module.
The isolated power supply unit converts the 28V dc power supply into a power supply voltage required for the operation of the load circuit, i.e., 12V, through the isolated power supply module P1.
The optical coupler control module comprises an optical coupler controller U1; the first pin of the optical coupler controller U1 is connected with an IN+28V terminal; the second pin of the optical coupler controller U1 is connected with one end of the resistors R2, R3 and R4, and the other end of the resistor R2, R3 and R4 is connected with the twenty-first pin of the connector P2 after being connected in parallel; a diode D6 is connected between the first pin and the second pin of the optical coupler controller U1 in a bridging mode, the negative electrode of the diode D6 is connected with the first pin of the U1, and the positive electrode of the diode D6 is connected with the second pin of the U1; the third pin of the optical coupler controller U1 is connected with the seventh pin of the isolation power module P1; the fourth pin of the optocoupler controller U1 is grounded to the power ground and the twenty-fourth pin of the connector P2. And the power-on enabling of the control equipment is realized through the optocoupler control module.
The output absorption module comprises a filter capacitor group formed by connecting capacitors C15, C13, C35, C36, C37 and C38 in parallel, one end of the filter capacitor group is connected with a VCC_12V terminal, and the other end of the filter capacitor group is connected with a power ground wire.
The filter capacitor bank is used for filtering the output voltage.
Specific examples are given below.
The utility model discloses an isolation-based power module capable of temporarily storing energy, which comprises a connector P2 with the model number of RDS281201A-A isolation power module P1, a surge module P9 with the model number of PCIH47M400A1, an optocoupler controller U1 with the model number of PS2501L, capacitors C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14, C15, C16, C17, C18, C19, C20, C21, C22, C23, C24, C25, C26, C27, C28, C29, C30, C31, C32, C33, C34, C35, C36, C37, C38, resistors R1, R2, R3, R4, diodes D1 and D2 with the model numbers of SMBJ 85A-13F, diodes D3D 4 with the model numbers of PDS 510H-13, D4, D5 and diodes with the model numbers of ACL 5-C5 and C5 with the model numbers of the inductors of BAL 1-C6 and the model numbers of the inductors of the BAL and the diodes.
The forty-sixth pin of the connector P2 is connected with the DC_IN+ terminal, the forty-seventh pin of the connector P2 is connected with the DC_IN-terminal, the first, second, third and fourth pins of the connector P2 are all connected with the VCC_12V terminal, the fifth, sixth, seventh, eighth, ninth, tenth, eleventh and twelfth pins of the connector P2 are grounded, and the forty-fifth pin of the connector P2 is grounded.
A first pin of the inductor L1 is connected with the DC_IN+ terminal, and a second pin of the inductor L1 is connected with the DC_IN-terminal; a diode D1, capacitors C1 and C5 connected in series and capacitors C2 and C14 connected in series are connected between the first pin and the second pin of the inductor L1 in a bridging manner; the first pin of the inductor L1 is connected with the cathode of the diode D1, and the second pin of the inductor L1 is connected with the anode of the diode D1; the ground is connected between the capacitors C1 and C5.
The third pin and the fourth pin of the inductor L1 are respectively connected with the second pin and the first pin of the inductor L2; the fourth pin of the inductor L2 is connected with the IN+28V terminal, and the third pin of the inductor L2 is connected with the power ground line.
C3, C6 and C7 are connected between the first pin and the second pin of the inductor L2 in a bridging mode; a diode D2 and capacitors C4 and C8 are connected between the third pin and the fourth pin of the inductor L2 in a bridging mode; the negative electrode of the diode D2 is connected with an IN+28V terminal, and the positive electrode of the diode D2 is connected with a power ground wire.
The first pin of the surge module P9 is connected with an IN+28V terminal, and the second pin of the surge module P9 is connected with a power ground wire; the capacitors C9, C10 are connected across the first and second pins of the surge module P9.
The third pin of the surge module P9 is grounded, the fourth pin of the surge module P9 is connected with the anodes of the diodes D3 and D4, and the cathode of the diode D3 is connected with the VIN_28V terminal.
The third and fourth pins of the surge module P9 are connected across capacitors C21, C22, C29, and C30.
The capacitors C11, C12, C16, C17, C18, C19 and C20 are connected in parallel to form an energy storage capacitor group; the input end of the energy storage capacitor group is connected with one end of a resistor R1 after passing through a diode D4, the other end of the resistor R1 is connected with one end of the energy storage capacitor group and the positive electrode of a diode D5, and the negative electrode of the diode D5 is connected with a VIN_28V terminal.
The other end of the energy storage capacitor group is connected with the power ground wire.
The first pin of the isolation power module P1 is connected with the VIN_28V terminal; the second pin of the isolation power module P1 is grounded; the first and second pins of the isolated power module P1 are connected across the capacitors C23, C32, C33, C34.
The fourth pin of the isolated power module P1 is grounded, and the third and fourth pins of the isolated power module P1 are connected across capacitors C24, C25, C26, and C27.
The third pin of the isolation power module P1 is connected with one end of an inductor L3, and the other end of the inductor L3 is connected with one ends of capacitors C28 and C31 and a VCC_12V terminal; the other ends of the capacitors C28 and C31 are connected with a fourth pin of the isolated power module P1.
The fifth pin and the sixth pin of the isolated power module P1 are suspended; the seventh pin of the isolated power module P1 is connected with the optocoupler control module.
The first pin of the optocoupler controller U1 is connected with an IN+28V terminal.
The second pin of the optocoupler controller U1 is connected with one end of the resistors R2, R3 and R4, and the other end of the resistor R2, R3 and R4 is connected with the twenty-first pin of the connector P2 after being connected in parallel.
The diode D6 is connected between the first pin and the second pin of the optocoupler controller U1 in a bridging mode, the negative electrode of the diode D6 is connected with the first pin of the optocoupler controller U1, and the positive electrode of the diode D6 is connected with the second pin of the optocoupler controller U1.
The third pin of the optical coupler controller U1 is connected with the seventh pin of the isolation power module P1; the fourth pin of the optocoupler controller U1 is grounded to the power ground and the twenty-fourth pin of the connector P2.
The capacitors C15, C13, C35, C36, C37 and C38 are connected in parallel to form a filter capacitor group, one end of the filter capacitor group is connected with the VCC_12V terminal, and the other end of the filter capacitor group is connected with the power ground wire.
After the circuits according to fig. 2 to 8 are connected, the positive and negative poles of the 28V dc power supply are applied to the forty-sixth and forty-seventh pins of the connector P2, respectively, and a 12V power supply voltage is obtained on the first, second, third or fourth pins of the connector P2.
The embodiments given above are preferred examples for realizing the present utility model, and the present utility model is not limited to the above-described embodiments. Any immaterial additions and substitutions made by those skilled in the art according to the technical features of the technical scheme of the utility model are all within the protection scope of the utility model.
Claims (9)
1. The power module capable of temporarily storing energy based on isolation is characterized by comprising a connection module connected with an FPGA chip, a direct-current power supply and a load circuit, and a filtering module, a surge unit, an isolation power supply unit and an output end absorption module which are sequentially connected; the connecting module is connected with the filtering module and the output end absorbing module;
an energy storage module is also connected between the surge unit and the isolation power supply unit;
the direct-current power supply simultaneously supplies power to the isolation power supply unit and the energy storage module through the connecting module, the filtering module and the surge unit; after the direct current power supply is powered off, the energy storage module supplies power for the isolation power supply unit;
an optical coupler control module is arranged between the connecting module and the isolation power supply unit, and the optical coupler control module controls the on-off of the isolation power supply unit according to a control signal of the FPGA chip.
2. The isolation-based transient energy storage power module of claim 1, wherein the dc power source is a 28V dc power source, and the 28V dc power source is powered down for no more than 50ms;
the connection module is used for being connected with the FPGA chip, the 28V direct current power supply and the load circuit;
the filtering module is connected with the connecting module and used for filtering high-frequency clutter and interference signals of the 28V direct current power supply;
the surge unit is connected with the filtering module and used for limiting transient high voltage which is fleed in through the connecting module and the filtering module;
the 28V direct current power supply is used for supplying power to the isolation power supply unit through the connecting module, the filtering module and the surge unit, and the isolation power supply unit converts the 28V direct current power supply into 12V power supply voltage;
the 28V direct current power supply supplies power to the energy storage module through the connecting module, the filtering module and the surge unit, and the energy storage module supplies power to the isolation power supply unit after the 28V direct current power supply is powered down;
the output end absorption module is connected with the isolation power supply unit and filters 12V power supply voltage; the output end absorption module is connected with the connection module and provides 12V power supply voltage for the load circuit through the connection module;
and the optical coupler control module is connected with the connection module and used for controlling the on-off of the isolation power supply unit according to the control signal of the FPGA chip.
3. The isolation-based short-term energy storage power module of claim 1, wherein the connection module comprises a connector P2, a forty-sixth pin of the connector P2 is connected to the dc_in+ terminal, a forty-seventh pin of the connector P2 is connected to the dc_in-terminal, first, second, third and fourth pins of the connector P2 are all connected to the vcc_12v terminal, fifth, sixth, seventh, eighth, ninth, tenth, eleventh and twelfth pins of the connector P2 are connected to the power ground, a twenty-first pin of the connector P2 is connected to the optocoupler control module, a twenty-fourth pin of the connector P2 is connected to the optocoupler control module, and a forty-fifth pin of the connector P2 is connected to the ground.
4. The isolation-based transient energy storage power module of claim 1, wherein the filtering module comprises inductors L1 and L2;
a first pin of the inductor L1 is connected with the DC_IN+ terminal, and a second pin of the inductor L1 is connected with the DC_IN-terminal; a diode D1, capacitors C1 and C5 connected in series and capacitors C2 and C14 connected in series are connected between the first pin and the second pin of the inductor L1 in a bridging manner; the first pin of the inductor L1 is connected with the cathode of the diode D1, and the second pin of the inductor L1 is connected with the anode of the diode D1; the ground is connected between the capacitors C1 and C5;
the third pin and the fourth pin of the inductor L1 are respectively connected with the second pin and the first pin of the inductor L2; the fourth pin of the inductor L2 is connected with an IN+28V terminal, and the third pin of the inductor L2 is connected with a power ground wire;
c3, C6 and C7 are connected between the first pin and the second pin of the inductor L2 in a bridging mode; a diode D2 and capacitors C4 and C8 are connected between the third pin and the fourth pin of the inductor L2 in a bridging mode; the negative electrode of the diode D2 is connected with an IN+28V terminal, and the positive electrode of the diode D2 is connected with a power ground wire.
5. The isolation-based transient energy storage power module of claim 1, wherein the surge unit comprises a surge module P9; the first pin of the surge module P9 is connected with an IN+28V terminal, and the second pin of the surge module P9 is connected with a power ground wire; the capacitors C9 and C10 are connected between the first pin and the second pin of the surge module P9 in a bridging mode;
the third pin of the surge module P9 is grounded, the fourth pin of the surge module P9 is connected with the anodes of the diodes D3 and D4, the cathode of the diode D4 is connected with the energy storage module, and the cathode of the diode D3 is connected with the VIN_28V terminal;
the third and fourth pins of the surge module P9 are connected across capacitors C21, C22, C29, and C30.
6. The isolation-based transient energy storage power module of claim 1, wherein the energy storage module comprises an energy storage capacitor bank formed by capacitors C11, C12, C16, C17, C18, C19, C20 in parallel; the input end of the energy storage capacitor group is connected with one end of a resistor R1 through a diode D4, the other end of the resistor R1 is connected with one end of the energy storage capacitor group and the positive electrode of a diode D5, and the negative electrode of the diode D5 is connected with a VIN_28V terminal;
the other end of the energy storage capacitor group is connected with the power ground wire.
7. The isolated transient energy storage based power module of claim 1, wherein the isolated power unit comprises an isolated power module P1, the first pin of the isolated power module P1 being connected to the vin_28v terminal; the second pin of the isolation power module P1 is grounded; the first pin and the second pin of the isolated power module P1 are connected with the capacitors C23, C32, C33 and C34 in a bridging way;
the fourth pin of the isolation power module P1 is grounded, and capacitors C24, C25, C26 and C27 are connected between the third pin and the fourth pin of the isolation power module P1 in a bridging mode;
the third pin of the isolation power module P1 is connected with one end of an inductor L3, and the other end of the inductor L3 is connected with one ends of capacitors C28 and C31 and a VCC_12V terminal; the other ends of the capacitors C28 and C31 are connected with a fourth pin of the isolated power module P1;
the fifth pin and the sixth pin of the isolated power module P1 are suspended; the seventh pin of the isolated power module P1 is connected with the optocoupler control module.
8. The isolation-based transient energy storage power module of claim 1, wherein the optocoupler control module comprises an optocoupler controller U1; the first pin of the optical coupler controller U1 is connected with an IN+28V terminal;
the second pin of the optical coupler controller U1 is connected with one end of the resistors R2, R3 and R4, and the other end of the resistor R2, R3 and R4 is connected with the twenty-first pin of the connector P2 after being connected in parallel;
a diode D6 is connected between the first pin and the second pin of the optical coupler controller U1 in a bridging mode, the negative electrode of the diode D6 is connected with the first pin of the U1, and the positive electrode of the diode D6 is connected with the second pin of the U1;
the third pin of the optical coupler controller U1 is connected with the seventh pin of the isolation power module P1; the fourth pin of the optocoupler controller U1 is grounded to the power ground and the twenty-fourth pin of the connector P2.
9. The isolation-based transient energy storage power module of claim 1, wherein the output absorption module comprises a filter capacitor bank consisting of capacitors C15, C13, C35, C36, C37 and C38 connected in parallel, one end of the filter capacitor bank being connected to the vcc_12v terminal, and the other end of the filter capacitor bank being connected to the power ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321374978.5U CN219918498U (en) | 2023-06-01 | 2023-06-01 | Power module capable of temporarily storing energy based on isolation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321374978.5U CN219918498U (en) | 2023-06-01 | 2023-06-01 | Power module capable of temporarily storing energy based on isolation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219918498U true CN219918498U (en) | 2023-10-27 |
Family
ID=88439259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321374978.5U Active CN219918498U (en) | 2023-06-01 | 2023-06-01 | Power module capable of temporarily storing energy based on isolation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219918498U (en) |
-
2023
- 2023-06-01 CN CN202321374978.5U patent/CN219918498U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103475086B (en) | The power supply of many supply modules seamless switching | |
| CN203562832U (en) | A power supply for seamlessly switching multiple power supply modules | |
| CN203443031U (en) | Low standby power consumption control circuit and air conditioner | |
| CN104062928B (en) | Vehicle control unit of electric vehicle power circuit | |
| CN207339642U (en) | A kind of POE interchangers DC power supply | |
| CN208589916U (en) | It is a kind of with overvoltage protection and it is anti-sparking function dc power interface circuit | |
| CN219918498U (en) | Power module capable of temporarily storing energy based on isolation | |
| CN201097176Y (en) | Power controller | |
| CN218335753U (en) | A ACU power strip for machine leads to equipment | |
| CN204205548U (en) | Circuit overcurrent protection | |
| CN201015172Y (en) | Suspending type induction power source | |
| CN204347107U (en) | The electronic controller of New type of current sample circuit and isolating switch | |
| CN111711188A (en) | Energy-saving power distribution device | |
| CN204633449U (en) | A kind of electric power management circuit of commercial car diagnosing protocol adapter | |
| CN217406164U (en) | Novel current-limiting protection circuit | |
| CN219322135U (en) | Low-power consumption power supply control circuit and electric equipment | |
| CN208078681U (en) | A kind of intelligent power system | |
| CN102695347A (en) | Power supply circuit for electronic ballast control chip | |
| CN201408984Y (en) | Power protection circuit, power unit and television | |
| CN214954587U (en) | Wireless remote monitoring device based on DTU | |
| CN218633691U (en) | Power protection circuit and terminal equipment | |
| CN210156969U (en) | Outdoor electronic indicating device | |
| CN216134478U (en) | Ethernet switching circuit, adapter and laser control equipment | |
| CN218102620U (en) | Energy storage control module and energy storage equipment | |
| CN211790931U (en) | Network transformer power supply delay controller circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |