CN104409280B - EPS (emergency power supply) power output control relay sparking prevention control method and circuit - Google Patents
EPS (emergency power supply) power output control relay sparking prevention control method and circuit Download PDFInfo
- Publication number
- CN104409280B CN104409280B CN201410717959.7A CN201410717959A CN104409280B CN 104409280 B CN104409280 B CN 104409280B CN 201410717959 A CN201410717959 A CN 201410717959A CN 104409280 B CN104409280 B CN 104409280B
- Authority
- CN
- China
- Prior art keywords
- module
- relay
- rectification
- control
- optocoupler
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
Landscapes
- Relay Circuits (AREA)
Abstract
The invention provides an EPS (emergency power supply) power output control relay sparking prevention control method and an EPS power output control relay sparking prevention control circuit. By a correcting process, operational lag time corresponding to different relays can be detected and acquired; in the working process, according to an extracted alternating current zero point and the updated lag time, delayed startup is executed further, so that the delay can be conducted rightly when a power supply surpasses zero voltage, and thus zero-point conduction is realized and no spark exists on a contact of the relay; according to the control method and the control circuit, the service life of the delay is greatly prolonged.
Description
Technical field
The present invention relates to a kind of electricity optimization technology, refer in particular to a kind of anti-sparking of eps power supply output control relay
Control method and control circuit.
Background technology
, also known as eps, eps emergency power supply, fire-fighting emergency power supply, full name emergency power supply is (tight for eps power supply
Anxious power supply), it is a kind of emergency power supply adopting for electric power safeguard and security against fire in current important building.
Your composition of eps power supply mainly includes input-output unit, charging module, set of cells, inverter, watch-dog, outputting cutting change the outfit
The part such as put.Be widely used in energy-conservation power, building illumination, road traffic illumination, tunnel illumination, electric power, industrial and mining establishment, fire-fighting
Elevator etc..Existing eps power supply output is all realized by control relay folding.And due to connecting the opportunity of relay
Be at any time it may happen that, in addition in existing eps power supply control module simply according to a fixing opportunity sending action pulse, because
This is embodied on relay then its action is also completely random, if this allows for corresponding alternating current non-mistake during the actuating of relay
Then can sparking phenomenon due to electric charge in zero point.If things go on like this relay contact of eps power supply is easy to damage, and then seriously
Affect the life-span of whole eps power supply.
Content of the invention
The technical problem to be solved is: offer one kind can be to eps power supply repeat circuit control module action arteries and veins
Rush the anti-sparking control method of eps power supply output control relay being adjusted time delay and control circuit.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is: a kind of eps power supply output control relay
Anti- sparking control method, including rectification flow process and workflow；
Described rectification flow process includes step,
A) on the basis of system power supply；
B) to relay sending action pulse, and record current time t0；
C) record current time t1 when relay contact produces pulse；
D) calculate t1-t0 and obtain relay time delay；
Described workflow includes step,
F) after waiting actuating of relay instruction；
G) wait the exchange electrical zero time delay slow △ t time to send action command and drive relay work；△ t=t/2- (t1-
t0)；In formula, t is the line voltage cycle；
In said method, described step a specifically includes,
A1) two groups of wire jumpers are set, and the two ends of one group of wire jumper connect live wire input and system power supply positive pole respectively；Another group of jump
Line two ends connect live wire output and system power supply ground respectively；
A2) by two groups of wire jumper short circuits；
Also include step e after described step d, release the short circuit of two groups of wire jumpers.
In said method, pass through two optocouplers in described step g and extract alternating current from live wire input, zero line input respectively
Zero point；
The invention still further relates to a kind of anti-sparking control circuit of eps power supply output control relay, including power module, control
Molding block, relay, sampling module, rectification setup module and first correct wire jumper, the second rectification wire jumper；Described relay is by holding
The contact composition of row portion and linkage, described power module connects enforcement division, and described control module connects enforcement division, and described contact is even
Line of starting to exchange fire input and live wire output；Described first rectification wire jumper includes the two ends being connected with power module respectively with live wire input；
Described second rectification wire jumper includes the two ends being connected to the ground respectively with live wire output；Described sampling module connects live wire input respectively
With zero line input, sampling module output connects corrects setup module；Described rectification setup module link control module and contact；
Described first correct wire jumper, second rectification wire jumper, for correct when will the positive pole of power module and ground correspondence short
It is connected in live wire input and live wire output；
Described sampling module, for obtaining exchange electrical zero；
Described control module, for sampling module obtain exchange electrical zero when according to default time delay to relay, rectification
Setup module sending action pulse；
Described rectification setup module, sends what action pulse to relay contact was connected for obtaining simultaneously calculation control module
Relay time delay, and default time delay is updated with this；
In above-mentioned, also include protection module, switch module；Described protection module is diode, and diode reverse is parallel to
The two ends of the enforcement division of relay；Described control module is connected with enforcement division by switch module, and switch module includes audion；
In above-mentioned, described sampling module includes the first optocoupler and the second optocoupler, and the first optical port connects live wire input, the second light
Coupling connecting to neutral line input, the first optocoupler and the second optocoupler are connected to correct setup module；Described first optocoupler and the second optocoupler
For digital optocoupler；
In above-mentioned, when needing to carry out anti-sparking and correcting, first will correct wire jumper and the two ends of the second rectification wire jumper are short
Connect, make control module send action pulse, correct setup module and receive after action pulse with this moment for zequin t0, simultaneously
Relay triggering work, enforcement division is linked with contact, corrects after setup module receives contact conducting further and records moment terminal
T1, corrects the default time delay updating control module after setup module calculates t1-t0；During work, when control module receives relay
After action command, after waiting sampling module to obtain exchanging electrical zero further, send action according to postponing to preset after delay time
Order-driven relay works.
The beneficial effects of the present invention is: it can be obtained by rectification flow process to different relay tests corresponding dynamic
Make lag time, during work, further line delay drive is entered further according to the lag time of renewal according to the exchange electrical zero extracted
Dynamic, so that it is guaranteed that relay can just turn at power supply zero passage voltage, realize zero point conducting, relay contact no-spark is produced
Raw.Greatly prolong the use time of relay.
Brief description
The concrete structure of the present invention is described in detail in detail below in conjunction with the accompanying drawings
Fig. 1 is the oscillogram being embodied as example of the present invention.
Fig. 2 is the schematic block circuit diagram of the present invention；
Fig. 3 is the specific embodiment schematic block circuit diagram of the present invention；
Fig. 4 is embodied as exemplary circuit figure for the present invention's.
Specific embodiment
By the technology contents of the detailed description present invention, structural features, realized purpose and effect, below in conjunction with embodiment
And coordinate accompanying drawing to be explained in detail.
A kind of anti-sparking control method of eps power supply output control relay, including correcting flow process and workflow；
Wherein, described rectification flow process includes step,
A) on the basis of system power supply；
B) to relay sending action pulse, and record current time t0；
C) record current time t1 when relay contact produces pulse；
D) calculate t1-t0 and obtain relay time delay；
Described workflow includes step,
F) after waiting actuating of relay instruction；
G) wait the exchange electrical zero time delay slow △ t time to send action command and drive relay work；△ t=t/2- (t1-
t0)；In formula, t is the line voltage cycle.
It can be seen that, it is delayed that this patent method can obtain its corresponding action by rectification flow process to different relay tests
Time, during work, further delay and running is carried out further according to the lag time updating according to the exchange electrical zero extracted, thus
Guarantee that relay can just turn at power supply zero passage voltage, realize zero point conducting, relay contact no-spark produces.Significantly prolong
The use time of long relay.
Fig. 1, in figure u are shown in citinglnFor line voltage, its cycle is t, because the action command to relay is random,
It is assumed that in a point to turn-on command, now first rising of the zero point that two optocouplers put forward should be being detected in program
Wait t/2- (t1-t0) time in b point to turn-on command along rear, you can to allow relay just in ulnNo-voltage at turn on, realize
Zero point turns on, and relay contact no-spark produces.Greatly prolong the use time of relay.
Embodiment 1:
In said method, described step a specifically includes,
A1) two groups of wire jumpers are set, and the two ends of one group of wire jumper connect live wire input and system power supply positive pole respectively；Another group of jump
Line two ends connect live wire output and system power supply ground respectively；
A2) by two groups of wire jumper short circuits.
Also include step e after described step d, release the short circuit of two groups of wire jumpers.
By setting up two groups of wire jumpers so that the rectification of circuit can be able to switch into by wire jumper, need not separately make test dress
Put.Whole circuit realiration and operate with all very simple.
Embodiment 2:
In said method, pass through two optocouplers in described step g and extract alternating current from live wire input, zero line input respectively
Zero point.
This method passes through simple two optocouplers, you can by the zero-point obtaining of alternating current out, circuit is simple.
The invention still further relates to a kind of anti-sparking control circuit of eps power supply output control relay, including power module, control
Molding block, relay, sampling module, rectification setup module and first correct wire jumper, the second rectification wire jumper；Described relay is by holding
The contact composition of row portion and linkage, described power module connects enforcement division, and described control module connects enforcement division, and described contact is even
Line of starting to exchange fire input and live wire output；Described first rectification wire jumper includes the two ends being connected with power module respectively with live wire input；
Described second rectification wire jumper includes the two ends being connected to the ground respectively with live wire output；Described sampling module connects live wire input respectively
With zero line input, sampling module output connects corrects setup module；Described rectification setup module link control module and contact；
Described first correct wire jumper, second rectification wire jumper, for correct when will the positive pole of power module and ground correspondence short
It is connected in live wire input and live wire output；
Described sampling module, for obtaining exchange electrical zero；
Described control module, for sampling module obtain exchange electrical zero when according to default time delay to relay, rectification
Setup module sending action pulse；
Described rectification setup module, sends what action pulse to relay contact was connected for obtaining simultaneously calculation control module
Relay time delay, and default time delay is updated with this.
Thus when needing to carry out anti-sparking and correcting, first will correct wire jumper and the two ends of the second rectification wire jumper are short first
Connect, then can be transferred to rectification setup module when control module first time sends action pulse simultaneously, correct setup module with this
Moment is zequin t0, and after the action pulse trigger relay work of control module, enforcement division is linked with contact, is connected to
Live wire input on contact detects contact and turns on as moment terminal with live wire output conducting, now rectification setup module
T1, calculates the delay time that t1-t0 is adjustable relay, and then control module, after sampling module has rising edge, waits t/2-
(t1-t0) sending action pulse afterwards, in formula, t is the electrical network natural period, thus can allow relay just in power supply zero passage voltage
Place's conducting, realizes zero point conducting, and relay contact no-spark produces.Greatly prolong the use time of relay.
Embodiment 1:
In above-mentioned, also include protection module, switch module；Described protection module is diode, and diode reverse is parallel to
The two ends of the enforcement division of relay；Described control module is connected with enforcement division by switch module, and switch module includes audion.
In the present embodiment, setting protection module can place the enforcement division of relay by reverse-connection damage.And increase switch module then
Control module output signal can be amplified, to realize the requirement of lever actuated control.
Embodiment 2:
In above-mentioned, described sampling module includes the first optocoupler and the second optocoupler, and the first optical port connects live wire input, the second light
Coupling connecting to neutral line input, the first optocoupler and the second optocoupler are connected to correct setup module；Described first optocoupler and the second optocoupler
For digital optocoupler.
The present embodiment passes through simple two optocouplers, you can by the zero-point obtaining of alternating current out, circuit is simple.
Embodiment 3:
In above-mentioned, when needing to carry out anti-sparking and correcting, first will correct wire jumper and the two ends of the second rectification wire jumper are short
Connect, make control module send action pulse, correct setup module and receive after action pulse with this moment for zequin t0, simultaneously
Relay triggering work, enforcement division is linked with contact, corrects after setup module receives contact conducting further and records moment terminal
T1, corrects the default time delay updating control module after setup module calculates t1-t0；During work, when control module receives relay
After action command, after waiting sampling module to obtain exchanging electrical zero further, send action according to postponing to preset after delay time
Order-driven relay works.
The foregoing is only embodiments of the invention, not thereby limit the present invention the scope of the claims, every using this
Equivalent structure or equivalent flow conversion that bright description and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (5)
1. a kind of anti-sparking control circuit of eps power supply output control relay it is characterised in that: include power module, control
Module, relay, sampling module, rectification setup module and first correct wire jumper, the second rectification wire jumper；Described relay is by executing
The contact composition of portion and linkage, described power module connects enforcement division, and described control module connects enforcement division, described contact portion
Live wire input and live wire output；Described first rectification wire jumper includes the two ends being connected with power module respectively with live wire input；Institute
State the two ends that the second rectification wire jumper includes being connected to the ground respectively with live wire output；Described sampling module connect respectively live wire input with
Zero line inputs, and sampling module output connects corrects setup module；Described rectification setup module link control module and contact；
Described first corrects wire jumper, the second rectification wire jumper, for being shorted to the positive pole of power module and ground correspondence when correcting
In live wire input and live wire output；
Described sampling module, for obtaining exchange electrical zero；
Described control module, for arranging to relay, rectification according to default time delay when sampling module obtains exchange electrical zero
Module sending action pulse；
Described rectification setup module, sends, for obtaining simultaneously calculation control module, the relay that action pulse is connected to relay contact
Device time delay, and default time delay is updated with this.
2. the anti-sparking control circuit of eps power supply output control relay as claimed in claim 1 it is characterised in that: also wrap
Include protection module, switch module；Described protection module is diode, and diode reverse is parallel to the two of the enforcement division of relay
End；Described control module is connected with enforcement division by switch module, and switch module includes audion.
3. the anti-sparking control circuit of eps power supply output control relay as claimed in claim 1 it is characterised in that: described
Sampling module includes the first optocoupler and the second optocoupler, and the first optical port connects live wire input, and the second optocoupler connects zero line and inputs, and first
Optocoupler and the second optocoupler are connected to correct setup module；Described first optocoupler and the second optocoupler are digital optocoupler.
4. the anti-sparking control circuit of eps power supply output control relay as claimed in claim 1 it is characterised in that: described
Correct setup module and include collecting unit and computing unit；Described control module includes control unit and memory element；Described adopt
Collection unit is connected with the first optocoupler, the second optocoupler, and collecting unit connects computing unit, the storage list of computing unit and control module
Unit is connected；Memory element is connected with control unit.
5. the anti-sparking control circuit of eps power supply output control relay as described in claim 1-4 any one, its feature
It is: when needing to carry out anti-sparking rectification, the first shorted on both ends correcting wire jumper and the second rectification wire jumper makes control mould
Block sends action pulse, corrects setup module and receives after action pulse with this moment for zequin t0, relay triggering simultaneously
Work, enforcement division is linked with contact, corrects after setup module receives contact conducting further and records moment terminal t1, corrects setting
Module updates the default time delay of control module after calculating t1-t0；During work, after control module receives actuating of relay instruction,
After waiting sampling module to obtain exchanging electrical zero further, send action command driving relay after delay time according to postponing to preset
Device works.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410717959.7A CN104409280B (en) | 2014-12-01 | 2014-12-01 | EPS (emergency power supply) power output control relay sparking prevention control method and circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410717959.7A CN104409280B (en) | 2014-12-01 | 2014-12-01 | EPS (emergency power supply) power output control relay sparking prevention control method and circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104409280A CN104409280A (en) | 2015-03-11 |
| CN104409280B true CN104409280B (en) | 2017-01-25 |
Family
ID=52646899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410717959.7A Active CN104409280B (en) | 2014-12-01 | 2014-12-01 | EPS (emergency power supply) power output control relay sparking prevention control method and circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104409280B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104898405B (en) * | 2015-05-22 | 2017-11-07 | 江苏固德威电源科技股份有限公司 | A kind of relay closing moment detection method |
| CN105261523B (en) * | 2015-10-29 | 2018-05-04 | 厦门市智联信通物联网科技有限公司 | Relay zero-crossing on and off control method and control system |
| CN106653482B (en) * | 2016-11-03 | 2019-02-26 | 江苏英索纳智能科技有限公司 | Self-correcting relay anti-adhesion circuit and its control method |
| CN108735549B (en) * | 2017-04-18 | 2020-01-07 | 徐政村 | Power switch module |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005005228A1 (en) * | 2005-01-31 | 2006-08-31 | Siemens Ag | Method and device for determining a switching time of an electrical switching device |
| CN2859778Y (en) * | 2005-12-23 | 2007-01-17 | 郭赐福 | Zero cross-over control system |
| FR2953938B1 (en) * | 2009-12-14 | 2012-04-13 | Sagem Comm | METHOD FOR OPENING OR CLOSING AN ELECTRICAL CIRCUIT AT AN ELECTRIC COUNTER |
| CN203466131U (en) * | 2013-08-23 | 2014-03-05 | 余蔺 | Relay point starting control circuit |
-
2014
- 2014-12-01 CN CN201410717959.7A patent/CN104409280B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104409280A (en) | 2015-03-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104409280B (en) | EPS (emergency power supply) power output control relay sparking prevention control method and circuit | |
| WO2014029886A3 (en) | Circuit interruption device | |
| CN102967766B (en) | Double line photovoltaic inverter insulation against ground resistance without switching tube detection system and method | |
| CN103675591B (en) | A kind of electrokinetic cell output bus multipoint insulation fault detection circuit | |
| CN102539981A (en) | Wide area protection fault recording method for electric power system | |
| CN106207974A (en) | DC motor protector and operation method thereof | |
| CN205811517U (en) | Dc motor protector | |
| CN204230889U (en) | The redundant power supply circuit that a kind of electric machine controller for motor vehicle reverse connection preventing pours in down a chimney | |
| CN203339670U (en) | Three-phase star type motor open-phase protector | |
| CN105187748A (en) | Standby control circuit and display device | |
| CN202854564U (en) | Tunnel ventilation and illumination management system based on DSPC2000 | |
| CN109412112A (en) | The reusable spaceborne electronic fuse of one kind and its fuse protection method | |
| CN204289268U (en) | Possesses the EPS power supply output control relay control circuit that anti-sparking is corrected | |
| CN203965132U (en) | The optical fiber sensing structure health monitoring systems of Wireless remote control | |
| CN203992757U (en) | A kind of overvoltage crowbar of electric welding machine | |
| CN103021357B (en) | A kind of LCD splicing large screen grouping power supply control apparatus | |
| CN206442173U (en) | The charge and discharge control equipment of solar street light | |
| CN205543678U (en) | A laser ultrashort pulse generation device for automobile anti -collision system | |
| CN202917951U (en) | Alternating current (AC) servo driver | |
| CN203587755U (en) | IGBT online detection circuit for alternating-current chopper bridge | |
| CN205752971U (en) | Ultrashort laser pulse generating means for anti-collision system for automobile | |
| CN204945324U (en) | Control series products batch quiescent current test circuit | |
| CN104459403B (en) | Switching value power source circuit applied to electric power circuit monitoring device | |
| CN202634049U (en) | Control circuit of multi-line power supply system | |
| CN203167280U (en) | Switch monitoring node for wireless network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |