CN209516930U - Power module parallel output control system - Google Patents
Power module parallel output control system Download PDFInfo
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- CN209516930U CN209516930U CN201822122810.0U CN201822122810U CN209516930U CN 209516930 U CN209516930 U CN 209516930U CN 201822122810 U CN201822122810 U CN 201822122810U CN 209516930 U CN209516930 U CN 209516930U
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Abstract
The utility model discloses a kind of power module parallel output control systems, and the system comprises input filter circuit, DC-DC conversion circuit, output filter circuit, regulating circuit, on-off control circuits；The input filter circuit filters out differential mode noise and high-frequency noise in input power；The DC-DC conversion circuit includes the bat or full brick power module for having parallel current-sharing ability；The transformed power supply of DC-DC is supplied to power unit after filtering by the output filter circuit；The regulating circuit is used to adjust the output voltage of power module；The on-off control circuit is for power module output control.The utility model can satisfy the specific demand that current secondary power-supply system low-voltage, high-current multiple module paralleling flows, and versatility and portability are higher, fully meet phased array radar to low-voltage high-current power source systematic difference requirement.
Description
Technical field
The utility model belongs to power system technologies field, and in particular to a kind of power module parallel output control system.
Background technique
The appearance of phased array radar and Fast Growth have become the mainstream development direction of current radar, phased array
Radar is compared to coherent system radar, and transmission power is big, far firing range, the duty cycle is long, power management requirement is high, therefore to power supply
The design of system also proposed more harsh requirement.Traditional coherent system radar, operating distance is shorter, and radar is after transmitting
That is stand-by operation, the working time is short, and output power of power supply is smaller, and single channel power demand is smaller；And phased array system thunder
Long up to operating distance, power is big, and especially when T/R component transmission power is all turned on, required single channel power is big, current main-stream electricity
The product of source module manufacturer production cannot achieve single power needed for supplying, and need to have the function of parallel current-sharing using multiple
Power module parallel output meet radar power demand.The equal Flow Technique of multiple module paralleling is high-power mainly for phased-array radar
Power supply requirement, single power module are unable to satisfy requirement, it is necessary to which multimode collaborative work can meet radar power demand.
Summary of the invention
The utility model need to solve technical problem and be to provide a kind of power module parallel output for meeting radar power demand
Control system.
In order to solve the above technical problems, the utility model provides a kind of power module parallel output control system, take
Technical solution is as follows:
The system comprises input filter circuit, DC-DC conversion circuit, output filter circuit, regulating circuit, on-off controls
Circuit；The input filter circuit includes ∏ type differential mode filter circuit and common mode filtering circuit, and wherein ∏ type filter circuit filters out
Differential mode noise in input power, common mode filtering circuit include that common mode inductance and decoupling capacitance filter out high-frequency noise；The DC-DC
Translation circuit includes the bat or full brick power module for having parallel current-sharing ability；The output filter circuit converts DC-DC
Power supply afterwards is supplied to power unit after filtering；The regulating circuit is used to adjust the output voltage of power module；It is described
On-off control circuit passes through optical coupling isolation circuit control for power module output control, the TTL low and high level of signal processing input
Power module ON/OFF terminal processed and input ground connection relationship, control power module output.
In the DC-DC conversion circuit, by the way that DC-DC transformation is realized in the stream terminal connection of each DC-DC conversion circuit
Circuit flows work, and other circuit traces far from DC-DC conversion circuit flow end line in circuit.
The utility model only by individual module output power supply all the way, develops conventional power source system for can be by multiple modules simultaneously
Connection output meets the needs of high-power single channel power supply.The utility model may be implemented any multichannel and have parallel current-sharing function with model
The parallel output ability of the power module of energy, realizes miniaturization, modularization and the Integration Design of radar power system, is big function
Rate phased array technology development provide it is a kind of meet low pressure, high current, high power system, so that it is met phased-array radar
The design requirement of high power system.
Detailed description of the invention
Fig. 1 is the utility model multiple module paralleling output circuit block diagram；
Fig. 2 is that a kind of typical three wired in parallel of the utility model flows output circuit schematic diagram.
Specific embodiment
This patent is described further below in conjunction with attached drawing.
Referring to Fig. 1, the utility model power module parallel output control system includes input filter circuit, DC-DC transformation
Circuit, output filter circuit, regulating circuit, on-off control circuit；The input filter circuit includes ∏ type differential mode filter circuit
And common mode filtering circuit, ∏ type filter circuit are made of differential mode inductance and ∏ type filter capacitor, for making an uproar to input power differential mode
Sound filters out.Common mode filtering circuit includes common mode inductance and decoupling capacitor, is mainly used for input power common-mode noise and space
Couples high frequency noise filters out, and input power quality is made to meet requirement；The DC-DC conversion circuit includes having parallel connection
The bat of stream ability or full brick power module, inside modules Integrated design have parallel current-sharing functional circuit, by becoming each DC-DC
The stream terminal connection for changing circuit realizes that DC-DC conversion circuit flows work, and stream end connecting line is short as far as possible, and its in circuit
He will flow end line far from DC-DC conversion circuit at circuit trace, be radar T/R component to realize the parallel operation of module
Large power supply is provided when work；The output filter circuit is made of LC filter circuit, and the transformed power supply of DC-DC is passed through
Power unit is supplied to after filtering, to guarantee that the quality of out-put supply is met the requirements；The regulating circuit is made of resistor, is used
In the output voltage of adjustment power module；The on-off control circuit, is mainly used for power module output control, and signal processing is defeated
The TTL low and high level entered controls power module ON/OFF terminal and input ground connection relationship, control electricity by optical coupling isolation circuit
Source module output.
The main devices of the input filter circuit are common mode inductance, the THCL of the differential mode inductance of SPI series, THH series
The energy storage tantalum capacitor of series and the magnetic dielectric container of CT41 series, the selection of device are mainly carried out according to input voltage, electric current
Drop volume.Wherein tantalum capacitor and differential mode inductance and magnetic dielectric container three form ∏ type filter circuit, to the difference in input power
Mode noise is filtered；Common mode inductance and the magnetic dielectric container of CT41 series form common mode filtering circuit, to input power high frequency
Noise and Space Coupling interference are filtered；So that input power quality is met requirement by the two poles of the earth filter effect, allows power supply
System can meet EMC Requirements.
The DC-DC conversion circuit mainly by upper naval pottery power-supply device Co., Ltd production HB series module or
The MCOTS series HZ bat module composition of SynQor company production, module Integrated design have large power supply transformation, on-off control
The functions such as system, over-voltage over-current protection, temperature protection, integrated level is high, power density is big, high-efficient, passes through simple peripheral circuit
The mating requirement that can meet power-supply system.
The output filter circuit mainly has the differential mode inductance of SPI series and two large capacity Surface Mount tantalum capacitors, two small
Capacity magnetic dielectric container composition, as traditional LC differential mode filter circuit, mainly by the switching noise of DC-DC power module generation
It is filtered, to guarantee that out-put supply quality meets requirement.
The stepping functions of module, the pressure regulation only can be realized in regulating circuit in module output end using two resistors
Circuit uses 0805 surface-mount resistor device, according to the pressure regulation calculation formula of different model power module, the electricity adjusted as required
Resistance value required for pressure value calculates, range of regulation generally cover -10%~+10%.
The on-off control circuit can be designed using simple light-coupled isolation, can also use more complicated power supply function
Rate administrative skill is converted by the low and high level of TTL, controls the ON/OFF on-off control terminal of power module, appointed according to radar
Business demand control suspend mode power supply and main power power-supply turn on and off.
Fig. 2 is that a kind of typical three wired in parallel of the utility model flows output circuit schematic diagram.
It above are only a kind of embodiment of this patent, not to limit the art of this patent, all essences in the art of this patent
Made any modification equivalent replacement and improvement within mind and principle, should be included within the protection scope of the art of this patent.
Claims (5)
1. a kind of power module parallel output control system, it is characterised in that: the system comprises input filter circuits, DC-DC
Translation circuit, output filter circuit, regulating circuit, on-off control circuit；The input filter circuit includes the filtering of ∏ type differential mode
Circuit and common mode filtering circuit, wherein ∏ type filter circuit filters out the differential mode noise in input power, and common mode filtering circuit includes
Common mode inductance and decoupling capacitance filter out high-frequency noise；The DC-DC conversion circuit include have parallel current-sharing ability bat or
Full brick power module；The transformed power supply of DC-DC is supplied to power unit after filtering by the output filter circuit；It is described
Regulating circuit is used to adjust the output voltage of power module；The on-off control circuit is for power module output control, signal
The TTL low and high level for handling input controls power module ON/OFF terminal and input ground connection relationship by optical coupling isolation circuit,
Control power module output.
2. a kind of power module parallel output control system according to claim 1, it is characterised in that: the DC-DC becomes
It changes in circuit, by the way that the stream terminal connection of each DC-DC conversion circuit is realized that DC-DC conversion circuit flows work, and electricity
Other circuit traces flow end line far from each DC-DC conversion circuit in road.
3. a kind of power module parallel output control system according to claim 1, it is characterised in that: the input filter
Circuit devcie include the differential mode inductance of SPI series, the common mode inductance of THH series, THCL series energy storage tantalum capacitor and CT41
The magnetic dielectric container of series, wherein the magnetic of the energy storage tantalum capacitor of THCL series, the differential mode inductance of SPI series and CT41 series is situated between
Capacitor three forms ∏ type filter circuit, the common mode inductance of THH series and the magnetic dielectric container composition common mode filter of CT41 series
Wave circuit.
4. a kind of power module parallel output control system according to claim 1, it is characterised in that: the output filtering
Circuit is LC differential mode filter circuit.
5. a kind of power module parallel output control system according to claim 1, it is characterised in that: the on-off control
Circuit includes photoelectrical coupler and sampling resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822122810.0U CN209516930U (en) | 2018-12-17 | 2018-12-17 | Power module parallel output control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822122810.0U CN209516930U (en) | 2018-12-17 | 2018-12-17 | Power module parallel output control system |
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| CN209516930U true CN209516930U (en) | 2019-10-18 |
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| CN201822122810.0U Active CN209516930U (en) | 2018-12-17 | 2018-12-17 | Power module parallel output control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111327192A (en) * | 2018-12-17 | 2020-06-23 | 北京华航无线电测量研究所 | Power module parallel output control system |
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2018
- 2018-12-17 CN CN201822122810.0U patent/CN209516930U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111327192A (en) * | 2018-12-17 | 2020-06-23 | 北京华航无线电测量研究所 | Power module parallel output control system |
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