CN206023172U - It is suitable for the protection circuit and the system that powers using concatenation power supply of concatenation power-supply system - Google Patents
It is suitable for the protection circuit and the system that powers using concatenation power supply of concatenation power-supply system Download PDFInfo
- Publication number
- CN206023172U CN206023172U CN201620618235.1U CN201620618235U CN206023172U CN 206023172 U CN206023172 U CN 206023172U CN 201620618235 U CN201620618235 U CN 201620618235U CN 206023172 U CN206023172 U CN 206023172U
- Authority
- CN
- China
- Prior art keywords
- electrical equipment
- concatenation
- overvoltage
- submodule
- 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
Landscapes
- Protection Of Static Devices (AREA)
Abstract
The system that the utility model is related to a kind of protection circuit for being suitable for concatenation power-supply system and is powered using concatenation power supply, the protection circuit for being suitable for concatenation power-supply system include concatenating the CPU of electrical equipment, current monitoring submodule and overvoltage protection submodule in power-supply system.Current monitoring submodule is connected with electrical equipment, for monitoring the input current of electrical equipment, and the input current for monitoring is transferred to the CPU of electrical equipment, and the CPU of electricity supply and use equipment judges whether excessively stream occurs and produces control signal；Overvoltage protection submodule is connected with electrical equipment; whether overvoltage protection submodule there is overvoltage in the input voltage for enabling the electrical equipment for monitoring its control under signal function of electrical equipment; and occur overvoltage when turn off electrical equipment input voltage, or overvoltage protection submodule according to the control signal of electrical equipment turn off electrical equipment input voltage.The utility model can carry out overvoltage, overcurrent protection to each electrical equipment, it is to avoid surge voltage causes damage to this electrical equipment and other electrical equipments.
Description
Technical field
The utility model is related to a kind of power protecting circuit, and particularly a kind of system to being powered using concatenation power supply is carried out
Excessively stream, the circuit of overvoltage protection, further relate to a kind of system that powers using concatenation power supply.
Background technology
The airborne entertainment system display terminal of airliner is using power series form as shown in Figure 1, the i.e. first order
The power source of display terminal is in external power supply, and the display terminals at different levels in addition to first order display terminal, and its power supply comes
Come from its previous stage display terminal.The advantage of this system using concatenation form of power is to improve power line and network
The efficiency of wiring, but simultaneously also bring the risk of voltage crosstalk, i.e., when the system is operated, if A display terminals run into high voltage,
The situation of high current, due to the series connection structure of power supply, can cause the high voltage, high current to be crosstalked into each follow-up display of A eventually
On end, the damage of A display terminals and its each display terminal afterwards is will result directly in.And in aviation electric power system, low electricity
Pressure DC source is generally 28V power supplys, is wherein often accompanied by the surge voltage of 80V/50ms, and therefore, airborne electrical equipment is to power supply wave
The ability to bear for gushing voltage has strict requirements, needs electrical equipment bear due to voltage spikes Vpk for 80V, continues 50ms
Surge voltage after there is no any failure.Therefore need to be equipped with voltage x current protection circuit in electrical equipment.However, existing
Voltage x current protection circuit generally constitutes complicated circuit using more device, more clumsy, and reliability is poor.For this purpose,
Need to be related to a kind of circuit simply easily application, there is the protection circuit of higher reliability and stability to carry out power protection.
Utility model content
The purpose of this utility model be to provide a kind of circuit simply easily application, there is being suitable for for higher reliability and stability
Protection circuit in the system that is powered using concatenation power supply.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is：
A kind of protection circuit for being suitable for concatenation power-supply system, was flow through for the system to being powered using concatenation power supply
Pressure protection, the system that is powered using concatenation power supply include the electrical equipment of multi-stage power source concatenation, the concatenation power-supply system
Protection circuit correspondingly control the input of each electrical equipment, the protection circuit for being suitable for concatenation power-supply system includes：
The CPU of the electrical equipment, the CPU of the electrical equipment are used for producing enable signal and judge whether occurred
Stream, and control signal is produced when judging to occur excessively stream；
Current monitoring submodule, the current monitoring submodule are connected with the electrical equipment, for monitoring the electricity consumption
The input current of equipment, and the input current for monitoring is transferred to the CPU of the electrical equipment, for the electrical equipment
CPU judges whether excessively stream；
Overvoltage protection submodule, the overvoltage protection submodule are connected with the electrical equipment, overvoltage protection
Module the electrical equipment CPU enable monitor its electrical equipment for controlling under signal function input voltage whether
Generation overvoltage, and the input voltage of the electrical equipment is turned off when there is overvoltage, the overvoltage protection submodule is always according to which
The control signal that the CPU of the electrical equipment of control is produced turns off the input voltage of the electrical equipment.
Preferably, the overvoltage protection submodule is adopted in the input voltage that the overvoltage shut-off electrical equipment occurs
Time delayed turn-off mode.
Preferably, when the overvoltage protection submodule turns off the input voltage of the electrical equipment, overvoltage protection
CPU transmission state alarms signal of the module to the corresponding electrical equipment.
Preferably, the overvoltage protection submodule gathers the voltage of any or its phase on the incoming line of the electrical equipment
Close magnitude of voltage and compared with reference voltage, whether the input voltage so as to monitor the electrical equipment occurs overvoltage.
Preferably, the overvoltage protection submodule includes the first controller, is connected to the incoming line of the electrical equipment
Upper and be connected with first controller and be controlled by the first switch pipe of first controller, first controller with
The electrical equipment connects with signal and receives the enable signal or the control signal, first controller and the use
The incoming line of electric equipment is connected and gathers the input voltage of the electrical equipment and judge whether overvoltage, and described first
Switching tube is according to the control of first controller and on-off.
Preferably, the current monitoring submodule includes the sampling electricity being connected on the incoming line of the electrical equipment
Resistance is connected with the two ends of the sampling resistor and gathers the voltage at the sampling resistor two ends and calculate the electricity consumption accordingly and set
The second controller communicated with the electrical equipment after standby input current.
Preferably, the protection circuit of the concatenation power-supply system also includes providing selectable input to the electrical equipment
The redundant power input submodule of circuit.
Preferably, the redundant power input submodule includes multichannel and connects and the connection line list using sharing control
Unit, each described connection line unit include：
Second switch pipe, the second switch pipe are arranged on the incoming line of the electrical equipment；
3rd controller, the 3rd controller control the second switch pipe and power unsuccessfully in the connection line unit
When turn off, or carry out load sharing when the connection line unit is inserted/extracted in a seamless manner.
The utility model also provides a kind of system that powers using concatenation power supply, and it includes that the electricity consumption of multi-stage power source concatenation sets
The protection circuit of input that is standby, correspondingly controlling each electrical equipment, the protection circuit are any of the above-described kind and are suitable for concatenation electricity
The protection circuit of origin system.
The airborne joy that the system for adopting concatenation power supply to power is constituted for the display terminal by multiple series connection on passenger plane
Music system.
As above-mentioned technical proposal is used, the utility model has following advantages compared with prior art：The utility model
In the case where concatenation plant-grid connection form is not changed, overvoltage, overcurrent protection can be carried out to each electrical equipment, in concatenation
Each electrical equipment can starting protection circuit disconnecting input power, so as to avoiding surge voltage to this electrical equipment and
Other electrical equipments cause damage, and are controlled by electrical equipment CPU due to protection circuit such that it is able to improve its reliability
Property and stability.
Description of the drawings
Schematic diagram of the accompanying drawing 1 for the display terminal of airborne entertainment system.
Functional block diagram of the accompanying drawing 2 for the protection circuit of concatenation power-supply system of the present utility model.
Accompanying drawing 3 shows for the circuit of redundant power input submodule in the protection circuit of concatenation power-supply system of the present utility model
It is intended to.
Accompanying drawing 4 is illustrated for the circuit of overvoltage protection submodule in the protection circuit of concatenation power-supply system of the present utility model
Figure.
Accompanying drawing 5 is illustrated for the circuit of current monitoring submodule in the protection circuit of concatenation power-supply system of the present utility model
Figure.
Specific embodiment
Shown embodiment is further described to the utility model below in conjunction with the accompanying drawings.
Embodiment one：The system (concatenation power-supply system) that is powered using concatenation power supply includes that the electricity consumption of multi-stage power source series connection sets
Standby, the power source of first order electrical equipment is in general supply, the power supply of the electrical equipments at different levels in addition to first order electrical equipment
Source one-level electrical equipment thereon.And the CPU for including controlling in every grade of electrical equipment.Concatenation power supply in the present embodiment
System is the airborne entertainment system being made up of the display terminal of multiple series connection shown in accompanying drawing 1.
A kind of novel protected circuit for above-mentioned concatenation power system design, for powered using concatenation power supply being
System carries out over-current over-voltage protection.The protection circuit correspondingly controls the input signal for concatenating each electrical equipment in power-supply system,
So as to play a protective role.Referring to shown in accompanying drawing 2, the protection circuit includes the CPU of above-mentioned electrical equipment, current monitoring submodule
With overvoltage protection submodule.
The CPU of the electrical equipment is used for producing enable signal and judges whether excessively stream, and is judging occurred
Control signal is produced during stream.
Current monitoring submodule is corresponding with electrical equipment to be connected, and it is used for monitoring the input current of electrical equipment, and by institute
The input current for monitoring is transferred to the CPU of its corresponding electrical equipment so that the CPU of electrical equipment can judge whether accordingly
Generation excessively stream, and corresponding control signal is produced when there is excessively stream.As shown in Figure 5, current monitoring submodule includes connecting
Sampling resistor R1 on the incoming line of electrical equipment, second controller, the two ends phase of second controller and sampling resistor R1
Connect and the voltage at collection sampling resistor R1 two ends, and the magnitude of voltage at the resistance value according to sampling resistor R1 and two ends calculates electricity consumption
The input current of equipment, is then communicated with the CPU of corresponding electrical equipment.Second controller includes being used as current sense amplifier
Chip U1 (NVCC_SD1AUB+) and its peripheral circuit.Sampling resistor R1 is the resistance of 1 Ω, and which is connected in series with the electricity of electrical equipment
Flow back in road, input current is input into by IN_28V ports, exported by AUX_28V ports after flowing through sampling resistor R1, and electricity of sampling
The two ends of resistance R1 are connected to two ports of RS+ and RS- of chip U1, such that it is able to detect between two ports of RS+ and RS-
Voltage, such chip U1 just can go out the electricity of electrical equipment according to the computing the resistor value of detected voltage and sampling resistor R1
The input current flowed back in road.Chip U1 is connected with signal by iic bus or other modes with the CPU of electrical equipment, so as to
Data communication is carried out, the input current value for calculating is transferred to chip U1 the CPU of electrical equipment.In above scheme, chip U1
It is operated in the wide input common-mode range of 0V to 60V, and adopts programmable voltage amplifier, so as to improves current measurement
Accuracy and application flexibility, fast reaction can be carried out to the time that is monitored.
Overvoltage protection submodule is connected with electrical equipment, the enable letter that the CPU so as to be used for according to electrical equipment sends
Whether the input voltage for number monitoring its electrical equipment for being controlled there is overvoltage, and turn off its use for being controlled when there is overvoltage
The input voltage of electric equipment, overvoltage protection submodule can also be used to the control sent according to the CPU of its electrical equipment for being controlled
Signal processed turns off the input voltage of its electrical equipment for being controlled.As shown in Figure 4, overvoltage protection submodule includes first switch
Pipe Q2 and the first controller, wherein first switch pipe Q2 are managed using MOSFET, and it is connected on the incoming line of electrical equipment, from
And be controlled by the first controller and realize whether the input voltage of electrical equipment turns off；And the first controller adopts chip U1
(LT4356IMS-1) and its peripheral circuit, it can be communicated with the CPU of electrical equipment and receive enable signal or control letter
Number, it is also connected with the incoming line of electrical equipment and carries out sampling and the feedback of input voltage, so as to according to being fed back
Voltage judges whether overvoltage, and controls the on-off of first switch pipe accordingly.Here, overvoltage protection submodule collection electricity consumption
The voltage of any or its relevant voltage values compared with reference voltage on the incoming line of equipment, so that monitor electrical equipment
Whether input voltage there is overvoltage.Input voltage is input into by AUX_28V ports, its one side access chip U1, is on the other hand connect
Enter the D pin of first switch pipe Q2, and the S pin of first switch pipe Q2 are connected to the output of OUT28V ports.Also, first switch pipe Q2
S pin through resistance R5, R6 for being in series, the common end of resistance R5, R6 is connected to the FB ends of chip U1 and carries out voltage sample, core
The GATE pin of piece U1 control whether first switch pipe Q2 turns on controlling the G pin of first switch pipe Q2.The CPU of electrical equipment
Enabled by DATA signal control chip U1, the feedback voltage at its FB end and one are set by chip U1 by voltage comparator
The reference voltage of 1.25V is compared, so as to control the output at its GATE end.When feedback voltage is not less than reference voltage, core
Power supply is realized in piece U1 control first switch pipe Q2 conductings；And when there is overvoltage, the chip U1 of overvoltage protection submodule is using prolonging
When mode turn off the input voltage of electrical equipment, i.e., in the delay time for setting, the GATE ends control first switch of chip U1
Pipe Q2 continues to be held on, until the delay time that sets then, the control first switch pipe Q2 shut-offs of the GATE ends of chip U1,
So as to ensure that system keeps the surge voltage of taking advantage of a situation in the same time.When overvoltage protection submodule turns off the input electricity of electrical equipment
During pressure, the FLT pins of chip U1 will be pulled low to low level, so as to the state to corresponding electrical equipment transmission " will power-off "
Caution signal, the state alarms signal notify the CPU of electrical equipment by cmd signal, so as to play overvoltage protection effect.Calculate
The value of resistance R5 and R6 when clamp voltage Vr is 28.75V overvoltage protections：Then R5
Value is 10K, and R6 values are 220K.When the CPU of electrical equipment is judged according to the input current that current monitoring submodule is gathered
During generation excessively stream, CPU exports corresponding control signal, carrys out control chip U1 and turns it off first switch pipe Q2, plays excessively stream guarantor
Shield is acted on.For first order electrical equipment, after the overvoltage protection submodule is arranged on its power supply, now, overvoltage protection submodule
Controlled shut-off be its first order electrical equipment input voltage；And for other electrical equipments at different levels, the overvoltage protection
After submodule can be arranged on the power supply provided by next stage electrical equipment exported by its previous stage electrical equipment, herein
The power supply provided by next stage electrical equipment exported by previous stage electrical equipment is the input electricity of next stage electrical equipment
Pressure, i.e. the OUT28V ports of overvoltage protection submodule are connected serially to the voltage input end of next stage electrical equipment, now, overvoltage protection
Submodule be controlled by previous stage enable signal but control shut-off be its next stage electrical equipment input voltage, accompanying drawing 2 is total
Shown as such case.So as to the overvoltage protection submodule can for series-connection power supplies system in each electrical equipment provide reliable
Front-end protection, and protect threshold voltage set and adjust.
In addition to above-mentioned current monitoring submodule and overvoltage protection submodule, the protection circuit of the concatenation power-supply system is also wrapped
Redundant power input submodule is included, it is used for selectable incoming line being provided to electrical equipment, the redundant power input submodule
Block includes multichannel and connects and the connection line unit using sharing control.As shown in Figure 3, the redundant power in the present embodiment is defeated
Entering submodule includes two-way the connection line unit for connecing.Each connection line unit includes second switch pipe and the 3rd control
Device.Second switch pipe is arranged on the incoming line of electrical equipment, and it is managed using MOSFET, therefore in two-way connection line unit
Second switch pipe be respectively Q1, Q2；And the 3rd controller is powered in connection line unit for controlling second switch pipe Q1, Q2
Turn off during failure, or carry out load sharing when connection line unit is inserted/extracted in a seamless manner.It includes control chip
(LTC4357IMS8) and its peripheral circuit, the control chip in two-way connection line unit is respectively U1, U2.Two connecting lines
Connection end VINA_28V, VINB_28V of road unit is DC voltage input end, and they are correspondingly connected to second switch pipe Q1, Q2
S pin, and the D pin of second switch pipe Q1, Q2 are then connected to System_28V ports, and electric equipment provides power supply for connection.Core
The GATE pin of piece U1, U2 correspondingly control the G pin of second switch pipe Q1, Q2, control the conducting of second switch pipe Q1, Q2, so as to
The control source of control electrical equipment.Two-way connection line unit parallel running, so as to the current load of equalization of incidence.Due to adopting
With redundant configuration, when a connection line unit breaks down, ad hoc circuit is by the connection line unit of failure from load
Upper disconnection, other connection line units will support all loads immediately, realize uninterruptedly powering.These connection line lists
Unit is function identical unit, and the power output of each connection line unit is all higher than or requires equal to corresponding electrical equipment
Power, by OR gate diodes in parallel together, equalizing control circuit is taken in its output for the output of each connection line unit.Two
Road redundant fashion due to being multiple connection line units while powering to electrical equipment, single connection line cell failure (failure)
Impact typically will not be produced on output voltage, but, all connection line units that easily feed through to if output line break down.
LTC4357 chips are a preferable diode-OR controllers and equalization controller, and it can be in multiple N+1 redundant powers and height
A simple low-loss replacement scheme is provided for Schottky "or" diode in availability system.LTC4357 chips are main
There is the feature of five aspects：Replace Schottky diode by using a N-channel FET to reduce electric energy loss；
The 0.5us turn-off times limit peak value fault current；Voltage power supply scope is from 9V～80V；Gentle switching, does not produce concussion；Nothing
Reverse DC current.Mainly there is the application of five broad aspects：2 redundant power supplies；Highly available system；Advanced TCA
Technological system.
In this redundant power input submodule, when a connection line unit powers failure, wherein all the way be fully loaded with company
Suddenly with ground short circuit, reversing the current overflows the output of link unit temporarily by MOSFET pipes.This reversing the current comes self-supported
Electric capacity or other connection line units.LTC4357 chips respond rapidly to such case, and are turned off within 0.5us rapidly
The MOSFET pipes which controls, the infringement to output bus are minimized.Circuits System in each LTC4357 chip is obtained simultaneously
On the premise of effective protection, other connection line units undertake load current again, realize that new load is shared.Connection line
The hot plug process of unit is controlled by the voltage of the Vdd pins of LTC4357 chips.When connection line unit is inserted, Vdd pins
When voltage is less than latch voltage, GATE ends are output as 0V, and FET is turned off.With Vdd pins voltage because electric capacity charges slow on
Rise, when the voltage is higher than latch voltage, the grid of FET is charged by current source, the voltage of GATE pins rises.This slow
Charging process allow power supply output to carry out load sharing in a seamless fashion, it is therefore prevented that big surge current enters power supply system
System.When power module is closed or extracted, LTC4357 chips carry out repid discharge to the grid of FET, and the voltage of Vdd pins falls
When dropping down onto below latch voltage, FET is turned off, and makes connection line unit come with load isolation, realizes LTC4357 chip redundancies electricity
The warm connection function in source, to guarantee that the smooth electric current from paths to another paths is shifted without oscillatory occurences.
The protection circuit of above-mentioned modular concatenation power-supply system, solves not changing in the case that input voltage is concatenated
Excessively stream, overvoltage protection problem, it is to avoid infringement of the overcurrent-overvoltage to system, its implementation are simple and easy to do, with preferably using
It is worth, improves the reliability of the system power supply of concatenation power-supply system airborne entertainment system.
Above-described embodiment only for technology design of the present utility model and feature are described, its object is to allow and be familiar with technique
Personage will appreciate that content of the present utility model and implement according to this, protection domain of the present utility model can not be limited with this.
All equivalence changes that is made according to the utility model Spirit Essence or modification, should all cover protection domain of the present utility model it
Interior.
Claims (10)
1. a kind of protection circuit for being suitable for concatenation power-supply system, carries out overcurrent-overvoltage for the system to powering using concatenation power supply
Protection, the system that is powered using concatenation power supply include the electrical equipment of multi-stage power source concatenation, the concatenation power-supply system
Protection circuit correspondingly controls the input of each electrical equipment, it is characterised in that：The protection electricity for being suitable for concatenation power-supply system
Road includes：
The CPU of the electrical equipment, the CPU of the electrical equipment are used for producing enable signal and judge whether excessively stream, and
Control signal is produced when judging to occur excessively stream；
Current monitoring submodule, the current monitoring submodule are connected with the electrical equipment, for monitoring the electrical equipment
Input current, and the input current for monitoring is transferred to the CPU of the electrical equipment, the CPU for the electrical equipment sentences
Whether disconnected there is excessively stream；
Overvoltage protection submodule, the overvoltage protection submodule are connected with the electrical equipment, the overvoltage protection submodule
Whether occur in the input voltage for enabling the electrical equipment for monitoring its control under signal function of the CPU of the electrical equipment
Overvoltage, and the input voltage of the electrical equipment is turned off when there is overvoltage, the overvoltage protection submodule is controlled always according to which
The control signals that produce of CPU of the electrical equipment turn off the input voltage of the electrical equipment.
2. according to claim 1 be suitable for concatenation power-supply system protection circuit, it is characterised in that：Overvoltage protection
When module turns off the input voltage of the electrical equipment in generation overvoltage, using time delayed turn-off mode.
3. according to claim 1 be suitable for concatenation power-supply system protection circuit, it is characterised in that：Overvoltage protection
When module turns off the input voltage of the electrical equipment, CPU of the overvoltage protection submodule to the corresponding electrical equipment
Transmission state alarms signal.
4. the protection circuit for being suitable for concatenation power-supply system according to claim 1 or 2 or 3, it is characterised in that：The overvoltage
Protection submodule gather on the incoming line of the electrical equipment voltage of any or its relevant voltage values and with reference voltage phase
Relatively, whether the input voltage so as to monitor the electrical equipment there is overvoltage.
5. the protection circuit for being suitable for concatenation power-supply system according to claim 1 or 2 or 3, it is characterised in that：The overvoltage
It is connected on the incoming line for protect submodule to include the first controller, being connected to the electrical equipment and with first controller
Connect and be controlled by the first switch pipe of first controller, first controller is connected with signal simultaneously with the electrical equipment
Receive the enable signal or control signal, first controller be connected with the incoming line of the electrical equipment and
Gather the input voltage of the electrical equipment and judge whether overvoltage, the first switch pipe is according to first controller
Control and on-off.
6. the protection circuit for being suitable for concatenation power-supply system according to claim 1 or 2 or 3, it is characterised in that：The electric current
Monitoring submodule includes the two ends phase of the sampling resistor and sampling resistor being connected on the incoming line of the electrical equipment
Connection and after gathering the voltage at the sampling resistor two ends and calculating the input current of the electrical equipment accordingly with the electricity consumption
The second controller of equipment communication.
7. according to claim 1 be suitable for concatenation power-supply system protection circuit, it is characterised in that：The concatenation power supply system
The protection circuit of system also includes the redundant power input submodule for providing selectable incoming line to the electrical equipment.
8. according to claim 7 be suitable for concatenation power-supply system protection circuit, it is characterised in that：The redundant power is defeated
Entering submodule includes multichannel and connects and the connection line unit using sharing control that each described connection line unit includes：
Second switch pipe, the second switch pipe are arranged on the incoming line of the electrical equipment；
3rd controller, the 3rd controller control the second switch pipe and close when the connection line unit powers failure
Disconnected, or carry out load sharing when the connection line unit is inserted/extracted in a seamless manner.
9. a kind of using the concatenation system powered of power supply, electrical equipment including multi-stage power source concatenation, correspondingly control each use
The protection circuit of the input of electric equipment, it is characterised in that：The protection circuit is suitable as any one of claim 1-8
Protection circuit with concatenation power-supply system.
10. according to claim 9 using the concatenation system powered of power supply, it is characterised in that：Described employing concatenates power supply
The system of power supply is the airborne entertainment system being made up of the display terminal of multiple series connection on passenger plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620618235.1U CN206023172U (en) | 2016-06-22 | 2016-06-22 | It is suitable for the protection circuit and the system that powers using concatenation power supply of concatenation power-supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620618235.1U CN206023172U (en) | 2016-06-22 | 2016-06-22 | It is suitable for the protection circuit and the system that powers using concatenation power supply of concatenation power-supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206023172U true CN206023172U (en) | 2017-03-15 |
Family
ID=58242859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620618235.1U Active CN206023172U (en) | 2016-06-22 | 2016-06-22 | It is suitable for the protection circuit and the system that powers using concatenation power supply of concatenation power-supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206023172U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914704A (en) * | 2016-06-22 | 2016-08-31 | 苏州华启智能科技有限公司 | Protection circuit applicable to series power supply system and system by adopting series power supply to provide power |
| CN115080131A (en) * | 2022-06-21 | 2022-09-20 | 联宝(合肥)电子科技有限公司 | Starting method of electronic equipment and electronic equipment |
-
2016
- 2016-06-22 CN CN201620618235.1U patent/CN206023172U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914704A (en) * | 2016-06-22 | 2016-08-31 | 苏州华启智能科技有限公司 | Protection circuit applicable to series power supply system and system by adopting series power supply to provide power |
| CN105914704B (en) * | 2016-06-22 | 2019-03-05 | 苏州华启智能科技有限公司 | It is applicable in the protection circuit of concatenation power-supply system and the system using concatenation power supply power supply |
| CN115080131A (en) * | 2022-06-21 | 2022-09-20 | 联宝(合肥)电子科技有限公司 | Starting method of electronic equipment and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10568232B2 (en) | Modular uninterruptible power supply apparatus and methods of operating same | |
| CN103158641B (en) | Intelligent distribution box | |
| CN105406580B (en) | A kind of electric power system and method | |
| CN101673964B (en) | Modular UPS integrated power distribution system | |
| CN206349920U (en) | Power supply device with multi-stage soft start function | |
| WO2010003835A3 (en) | High-speed circuit breaker for a high-performance battery in an isolated direct current network | |
| CN102510122B (en) | Multi-power supply control devices and system thereof | |
| CN104009516A (en) | Method and apparatus for controlling a power supply device | |
| CN203707280U (en) | Storage battery management system with redundant communication network | |
| WO2017127278A1 (en) | Interconnect and metering for renewables, storage and additional loads with electronically controlled disconnect capability for increased functionality | |
| CN105186444A (en) | Power supply protection circuit | |
| WO2010010251A3 (en) | Assembly of actuators and of a system for supplying electrical power from a network | |
| CN104917283B (en) | It is a kind of that there is the ups power for forcing bypass protection function | |
| CN107492949A (en) | A kind of power-supply management system | |
| CN204578205U (en) | Possesses repeatedly the high frequency combined switch electric power of lower electricity and accumulator protecting function | |
| CN206023172U (en) | It is suitable for the protection circuit and the system that powers using concatenation power supply of concatenation power-supply system | |
| CN205811601U (en) | Charging control circuit, charging device and mobile terminal | |
| CN205229404U (en) | AMP integrated circuit board is used in wafer test | |
| CN103928988A (en) | Loop closing electricity switching detection and control system | |
| CN201466790U (en) | Integrated power distribution system of modularized UPS | |
| CN102957172A (en) | Multi-cell serially-connected lithium battery pack equalization and protection system | |
| CN105914704B (en) | It is applicable in the protection circuit of concatenation power-supply system and the system using concatenation power supply power supply | |
| EP3171474B1 (en) | Isolated dc power supply device | |
| CN104079066A (en) | Method for judging disappearance of secondary direct-current power supply of far-end transformer substation | |
| CN104065156B (en) | A kind of input wires device that intersects in parallel of 2N power-supply system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190624 Address after: 215000 No. 350 Qingchengshan Road, Suzhou High-tech Zone, Jiangsu Province Patentee after: Suzhou Keke Gabriel Aviation Technology Co. Ltd. Address before: 215153 No. 350 Qingchengshan Road, Science and Technology City, Suzhou High-tech Zone, Jiangsu Province Patentee before: SUZHOU HUAQI INTELLIGENT TECHNOLOGY CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Cheng Inventor after: Mao Libo Inventor after: Zhong Hua Inventor after: Wu Qiang Inventor after: Liu Feng Inventor before: Mao Libo Inventor before: Zhong Hua Inventor before: Yang Cheng Inventor before: Wu Qiang Inventor before: Liu Feng |
|
| CB03 | Change of inventor or designer information |