CN106374583B - Power supply time delay conversion circuit - Google Patents
Power supply time delay conversion circuit Download PDFInfo
- Publication number
- CN106374583B CN106374583B CN201610965348.3A CN201610965348A CN106374583B CN 106374583 B CN106374583 B CN 106374583B CN 201610965348 A CN201610965348 A CN 201610965348A CN 106374583 B CN106374583 B CN 106374583B
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- Prior art keywords
- connect
- relay
- node
- input terminal
- power circuit
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The present invention provides a kind of power supply time delay conversion circuit, it include one thereon with element wiring board, for the wiring board power supply power circuit；The power circuit is two, and respectively main power circuit and auxiliary power circuit, the main power circuit connect with auxiliary power circuit in parallel, and main power circuit after being connected in parallel and auxiliary power circuit are with an output node S1；The current input terminal of wiring board is coupled with node S1；Further include conversion circuit, main power circuit and auxiliary power circuit are successively realized and be powered to wiring board by the conversion circuit.
Description
Technical field
The present invention relates to a kind of circuit more particularly to a kind of power supply time delay conversion circuits.
Background technique
Continual work, such as server for a long time is needed in the electronic component use on wiring board in the prior art,
And these wiring boards are at work, load the difference according to its terminal quantity, furthermore believe according to using the time and handling data
The amount of breath can accordingly increase, it is well known that load, which increases, will lead to power increase, and power is determined by electric current and voltage
, in use, voltage will not change, and therefore, power increase necessarily causes its electric current to increase, and after electric current increase
Necessarily cause the load of power circuit to increase, finally will lead to the generation of the power circuit fever phenomenon known to us, and power supply
Circuit generate heat for a long time will lead to whole equipment stability and safety reduce, and current equipment in the application only with
One power circuit, and can be realized using fan to radiate, and such phenomenon can not fundamentally solve power supply fever
Problem.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, adapt to reality and need, provide a kind of power supply time-delay conversion
Circuit.
In order to achieve the object of the present invention, the technical scheme adopted by the invention is as follows:
Design a kind of power supply time delay conversion circuit, it include one thereon with element wiring board, one for the wiring board supply
The power circuit of electricity；The power circuit is two, respectively main power circuit and auxiliary power circuit, the main power circuit and
The connection of auxiliary power circuit in parallel, and main power circuit after being connected in parallel and auxiliary power circuit have an output node S1；Route
The current input terminal of plate is coupled with node S1；
Further include:
One is connected in series with main power circuit, and accesses to the relay J1 of main power circuit current input terminal, relay
J1 is normally closed relay；
One is connected in series with auxiliary power circuit, and accesses to the relay J2 of auxiliary power circuital current input terminal, relay
J2 is normally opened relay；
The current input terminal of relay J1 and relay J2 are connect with extraneous power supply；
One time switch Y1, time switch Y1 are connected serially between relay J2 and extraneous power supply；
One relay J3, relay J3 are normally closed relay, and the current input terminal of relay J3 is connect with node S1；
Further include:
First current comparison circuit and the second current comparison circuit；
Wherein, the first current comparison circuit includes:
Threshold value is arranged in the inverting input terminal of one comparator K1, comparator K1；
The resistance R1 and inductance L1 of series connection, the input terminal of inductance L1 are connect with the current output terminal of relay J3, electricity
The output end of resistance R1 is connect with the non-inverting input terminal of comparator K1；
The base stage of one triode Q1, triode Q1 are connect with the output end node S2 of comparator K1, emitter ground connection,
Its collector is connect with the control signal of relay J1；
Wherein, the second current comparison circuit includes:
Threshold value is arranged in the inverting input terminal of one comparator K2, comparator K2；
The resistance R2 and inductance L2 of series connection, the input terminal of inductance L2 are connect with the current output terminal of relay J3, electricity
The output end of resistance R2 is connect with the homophase input end node S3 of comparator K2；
The base stage of one triode Q2, triode Q2 are connect with the output end of comparator K2, emitter ground connection, current collection
Pole node S8 is connect by diode D2 with the control signal node S7 of relay J2；The anode and triode Q2 of diode D2
Collector node S8 connection；
The trigger control end of time switch Y1 is also connect with node S8；
Further include:
The current input terminal of delay switch Y2, delay switch Y2 are connect with node S1, the current output terminal of delay switch Y2
It is connect with the control signal of relay J3；
The resistance R3 and breakback capacitor C1 being connected in parallel, it is in parallel after resistance R3 and breakback capacitor C1 input terminal with
The output end of the current output terminal node S6 connection of time switch Y1, resistance R3 and breakback capacitor C1 after parallel connection passes through two poles
Pipe D1 is connect with the trigger control end of delay switch Y2, and the cathode of diode D1 is connect with the trigger control end of delay switch Y2；
Further include:
The other end of the resistance R4 that one end is connect with node S6, resistance R4 are connect by diode D3 with node S7, two poles
The anode of pipe D3 is connect with resistance R4；
Node S7 is also connect with the control signal of relay J1 by diode D4, and the anode and node of diode D4
S7 connection；
Further include triode Q3, the base stage of triode Q3 is connect with node S2, emitter ground connection, collector with than
Homophase input end node S3 connection compared with device K2.
The beneficial effects of the present invention are:
The design can guarantee power supply electricity by using the mode that main power circuit and auxiliary power circuit are alternately powered
Road uses the irreducible problem of heat for a long time, and this circuit is easily achieved in the implementation, can be suitable for different routes
It is used in plate, there are huge market prospects.
Detailed description of the invention
Fig. 1 is circuit theory schematic diagram of the invention；
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
Embodiment 1: a kind of power supply time delay conversion circuit, referring to Fig. 1, it includes the wiring board with element, one thereon
For the power circuit of wiring board power supply, power circuit is the very common circuit of the prior art, in the prior art any
One power circuit can be used in the design；The power circuit in the design is two, respectively main power circuit and
Auxiliary power circuit, the main power circuit are connected with auxiliary power circuit in parallel, and main power circuit and pair electricity after being connected in parallel
Source circuit has an output node S1, and the current input terminal of wiring board is coupled with node S1.
This circuit it further include:
One is connected in series with main power circuit, and accesses to the relay J1 of main power circuit current input terminal, relay
J1 is normally closed relay；
One is connected in series with auxiliary power circuit, and accesses to the relay J2 of auxiliary power circuital current input terminal, relay
J2 is normally opened relay；The current input terminal of relay J1 and relay J2 are connect with extraneous power supply；
This circuit it further include:
One time switch Y1, time switch Y1 are connected serially between relay J2 and extraneous power supply；Time switch Y1 can be with
Using commercially available any a product, and time switch Y1 is a prior art, and the present embodiment herein no longer carries out it excessive
It repeats.
It further include a relay J3, relay J3 is normally closed relay, the current input terminal and node of relay J3
S1
Connection；
It further include the first current comparison circuit and the second current comparison circuit；
Wherein, the first current comparison circuit includes:
Threshold value is arranged in the inverting input terminal of one comparator K1, comparator K1；
The resistance R1 and inductance L1 of series connection, the input terminal of inductance L1 are connect with the current output terminal of relay J3, electricity
The output end of resistance R1 is connect with the non-inverting input terminal of comparator K1；
The base stage of one triode Q1, triode Q1 are connect with the output end node S2 of comparator K1, emitter ground connection,
Its collector is connect with the control signal of relay J1；
Wherein, the second current comparison circuit includes:
Threshold value is arranged in the inverting input terminal of one comparator K2, comparator K2；
The resistance R2 and inductance L2 of series connection, the input terminal of inductance L2 are connect with the current output terminal of relay J3, electricity
The output end of resistance R2 is connect with the homophase input end node S3 of comparator K2；
The base stage of one triode Q2, triode Q2 are connect with the output end of comparator K2, emitter ground connection, current collection
Pole node S8 is connect by diode D2 with the control signal node S7 of relay J2；The anode and triode Q2 of diode D2
Collector node S8 connection；
The trigger control end of time switch Y1 is also connect with node S8；
Further include triode Q3, the base stage of triode Q3 is connect with node S2, emitter ground connection, collector with than
Homophase input end node S3 connection compared with device K2.
Further include:
The current input terminal of delay switch Y2, delay switch Y2 are connect with node S1, the current output terminal of delay switch Y2
It is connect with the control signal of relay J3；
The resistance R3 and breakback capacitor C1 being connected in parallel, it is in parallel after resistance R3 and breakback capacitor C1 input terminal with
The output end of the current output terminal node S6 connection of time switch Y1, resistance R3 and breakback capacitor C1 after parallel connection passes through two poles
Pipe D1 is connect with the trigger control end of delay switch Y2, and the cathode of diode D1 is connect with the trigger control end of delay switch Y2；
Further include:
The other end of the resistance R4 that one end is connect with node S6, resistance R4 are connect by diode D3 with node S7, two poles
The anode of pipe D3 is connect with resistance R4；
Node S7 is also connect with the control signal of relay J1 by diode D4, and the anode and node of diode D4
S7 connection.
The working method of this circuit is as follows:
(1) assume that the non-loaded excessive situation of wiring board namely its power of power circuit and auxiliary power circuit rear end are permanent
Fixed, at this point, its main power circuit works normally, auxiliary power circuit does not work, i.e., the current Iconst that provides of main power circuit is not
Become, at this point, relay J3 is normally closed relay, electric current is I at node S5 and S4, at this point, its comparator K1 and comparator K2
The output of output end no current exports Imin (threshold value that electric current I is lower than comparator K1 and comparator K2) with minimum electric current,
Its electric current Imin is insufficient to allow triode Q1 and triode Q2 to be connected, and is zero which results in electric current at node S8, node S7, causes
Time switch Y1 is set not work, relay J2 continues to maintain a normally open state；Meanwhile also no current is logical certainly at diode D1
It crosses, and then delay switch Y2 is caused also not work, relay J3 continues to be kept closed；It is by above statement it is found that such
In the case of its wiring board electric device or wiring board only pass through main power circuit and work, be in normal operating conditions.
(2) assume the wiring board load excessive of power circuit and auxiliary power circuit rear end, power becomes larger, it is assumed that initial shape
State is main power circuit normal work, and auxiliary power circuit does not work, and when wiring board load excessive, when power becomes larger, i.e.,
The electric current that main power circuit provides is increased to Imax by I, at this point, relay J3 is normally closed relay, electric current at node S5 and S4
Imax is become from I, (Imax is higher than and compares at this point, its comparator K1 is compared the Imax after resistance R1 and inductance L1
The threshold value of device K1 and comparator K2), then there is electric current Itex output at the output end node S2 of comparator K1, at this point, it compares
Itex compared with device K1 output will lead to triode Q3 conducting, and the collector of triode Q3 will export an electric current Itex2, then, electricity
It flows after Itex2 will add up with the electric current Is2 after resistance R2 and inductance L2 at node S3 and enters in comparator K2, this is walked
Suddenly, may insure the accuracy of comparator K2 by the use of triode Q3, i.e., by electric current Itex2 at triode Q3 with
Increase it after Is2 is cumulative to realize into the electric current in comparator K2.
And it will promote relay J1 to disconnect after triode Q1 conducting, while also there is electric current at node S8, then it is fixed
Shi Kaiguan Y2 begins to turn on work, while relay J2 is connected, and realization is powered by auxiliary power circuit, realizes the conversion of circuit；Together
When, electric current then will will lead to delay switch Y2 by the electric current after diode D1 to inputting at diode D1 at node S6
It is connected and starts to work, hereafter the electric current inputted by input control end is realized that its relay J3 is disconnected by its relay J3, false
If the time of time switch Y1 timing conducting is 2 hours, the delay turn-off time of delay switch Y2 is 4 hours, time switch
The relationship of the delay turn-off time T2 of the time T1 and delay switch Y2 of Y1 timing conducting is: 2 times of T1 is equal to T2, then,
Comparator K1 and comparator K2 below relay J3 are in off-state, at this point, only its time switch Y1, delay switch
Y2, resistance R4, diode D3, D4, resistance R3, diode D1 are in running order, at this point, its relay J1 is by node S6's
Electric current passes sequentially through resistance R4, diode D3, D4 control it and continue to remain off.
After 2 hours, time switch Y1 is disconnected, and relay J3 continues to remain off, and hereafter its relay J1 is closed
Close, be converted to main power circuit power supply, and in the 2nd to 4 hour, but regardless of the output of its main power circuit electric current how, one
Directly powered by the main power circuit, this is because auxiliary power circuit two hours of continuous work, and in the 4th hour
Afterwards, delay switch Y2 is disconnected, and relay J3 is in closed state.Then repeat above-mentioned (1), (2) can be detected again,
If the electric current at its node S1 is normal, above-mentioned (1) pedestal is carried out, is powered by main power circuit always, and if at node S2
Electric current it is excessive, then carry out the movement of above-mentioned (2) again.
What the embodiment of the present invention was announced is preferred embodiment, and however, it is not limited to this, the ordinary skill people of this field
Member, easily according to above-described embodiment, understands spirit of the invention, and make different amplification and variation, but as long as not departing from this
The spirit of invention, all within the scope of the present invention.
Claims (2)
1. a kind of power supply time delay conversion circuit, it include one thereon the wiring board with element, for the power supply of wiring board power supply
Circuit；It is characterized by: the power circuit is two, respectively main power circuit and auxiliary power circuit, the main power source electricity
Road is connected with auxiliary power circuit in parallel, and main power circuit after being connected in parallel and auxiliary power circuit have an output node S1；
The current input terminal of wiring board is coupled with node S1；
Further include:
One is connected in series with main power circuit, and accesses to the relay J1 of main power circuit current input terminal, and relay J1 is
Normally closed relay；
One is connected in series with auxiliary power circuit, and accesses to the relay J2 of auxiliary power circuital current input terminal, and relay J2 is
Normally opened relay；
The current input terminal of relay J1 and relay J2 are connect with extraneous power supply；
One time switch Y1, time switch Y1 are connected serially between relay J2 and extraneous power supply；
One relay J3, relay J3 are normally closed relay, and the current input terminal of relay J3 is connect with node S1；
Further include:
First current comparison circuit and the second current comparison circuit；
Wherein, the first current comparison circuit includes:
Threshold value is arranged in the inverting input terminal of one comparator K1, comparator K1；
The resistance R1 and inductance L1 of series connection, the input terminal of inductance L1 are connect with the current output terminal of relay J3, resistance R1
Output end connect with the non-inverting input terminal of comparator K1；
The base stage of one triode Q1, triode Q1 are connect with the output end node S2 of comparator K1, emitter ground connection, collection
Electrode is connect with the control signal of relay J1；
Wherein, the second current comparison circuit includes:
Threshold value is arranged in the inverting input terminal of one comparator K2, comparator K2；
The resistance R2 and inductance L2 of series connection, the input terminal of inductance L2 are connect with the current output terminal of relay J3, resistance R2
Output end connect with the homophase input end node S3 of comparator K2；
The base stage of one triode Q2, triode Q2 are connect with the output end of comparator K2, emitter ground connection, collector node
Point S8 is connect by diode D2 with the control signal node S7 of relay J2；The anode and triode Q2 current collection of diode D2
Pole node S8 connection；
The trigger control end of time switch Y1 is also connect with node S8；
Further include:
The current input terminal of delay switch Y2, delay switch Y2 are connect with node S1, the current output terminal of delay switch Y2 with after
The control signal of electric appliance J3 connects；
The resistance R3 and breakback capacitor C1 being connected in parallel, the input terminal of resistance R3 and breakback capacitor C1 after parallel connection and timing
The output end of the current output terminal node S6 connection of switch Y1, resistance R3 and breakback capacitor C1 after parallel connection passes through diode D1
It is connect with the trigger control end of delay switch Y2, the cathode of diode D1 is connect with the trigger control end of delay switch Y2；
Further include:
The other end of the resistance R4 that one end is connect with node S6, resistance R4 are connect by diode D3 with node S7, diode D3
Anode connect with resistance R4；
Node S7 is also connect with the control signal of relay J1 by diode D4, and the anode of diode D4 and node S7 connect
It connects.
2. power supply time delay conversion circuit as described in claim 1, it is characterised in that: further include triode Q3, triode Q3
Base stage connect with node S2, emitter ground connection, collector connect with the homophase input end node S3 of comparator K2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610965348.3A CN106374583B (en) | 2016-10-31 | 2016-10-31 | Power supply time delay conversion circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610965348.3A CN106374583B (en) | 2016-10-31 | 2016-10-31 | Power supply time delay conversion circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106374583A CN106374583A (en) | 2017-02-01 |
| CN106374583B true CN106374583B (en) | 2019-08-20 |
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ID=57892953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610965348.3A Expired - Fee Related CN106374583B (en) | 2016-10-31 | 2016-10-31 | Power supply time delay conversion circuit |
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| Country | Link |
|---|---|
| CN (1) | CN106374583B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107516936B (en) * | 2017-09-08 | 2022-03-22 | 天津汇康医用设备有限公司 | Direct current activestandby power supply switching circuit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570580A (en) * | 2011-10-31 | 2012-07-11 | 深圳和而泰智能控制股份有限公司 | Zero-standby power consumption power supply circuit, power supply device and household appliance |
| CN203398870U (en) * | 2013-08-20 | 2014-01-15 | 国家电网公司 | Power supply intelligent monitoring rapid switching apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7911083B2 (en) * | 2008-08-21 | 2011-03-22 | American Power Conversion Corporation | Methods and systems for distributing load transfers in power supply systems |
-
2016
- 2016-10-31 CN CN201610965348.3A patent/CN106374583B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570580A (en) * | 2011-10-31 | 2012-07-11 | 深圳和而泰智能控制股份有限公司 | Zero-standby power consumption power supply circuit, power supply device and household appliance |
| CN203398870U (en) * | 2013-08-20 | 2014-01-15 | 国家电网公司 | Power supply intelligent monitoring rapid switching apparatus |
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| Publication number | Publication date |
|---|---|
| CN106374583A (en) | 2017-02-01 |
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Effective date of registration: 20190703 Address after: 450000 No. 13 Zhengqi Street, Jinshui District, Zhengzhou City, Henan Province Applicant after: Henan Electron Project Institute Co., Ltd. Address before: 450000 Zhengzhou City, Henan Province, Jinshui District, Zhengqijie 13 Court Applicant before: Zhang Haochen |
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