CN201425921Y - Electromagnetic relay zero-crossing switch circuit - Google Patents
Electromagnetic relay zero-crossing switch circuit Download PDFInfo
- Publication number
- CN201425921Y CN201425921Y CN2009200761967U CN200920076196U CN201425921Y CN 201425921 Y CN201425921 Y CN 201425921Y CN 2009200761967 U CN2009200761967 U CN 2009200761967U CN 200920076196 U CN200920076196 U CN 200920076196U CN 201425921 Y CN201425921 Y CN 201425921Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- electromagnetic relay
- relay
- resistor
- switch
- Prior art date
Links
- 238000005070 sampling Methods 0.000 claims abstract description 20
- 230000001276 controlling effects Effects 0.000 claims abstract description 4
- 239000003990 capacitor Substances 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000001070 adhesive Effects 0.000 description 9
- 239000000853 adhesives Substances 0.000 description 9
- 238000010586 diagrams Methods 0.000 description 2
- 238000005516 engineering processes Methods 0.000 description 2
- 238000000034 methods Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000004364 calculation methods Methods 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000011514 iron Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002147 killing Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Abstract
Description
Technical field
The utility model belongs to the electronic circuit technology field, relates in particular to a kind of electromagnetic appliance zero passage switch circuit.
Background technology
In the control circuit of high-power household electrical appliances such as electric iron, electric heater, roaster, air-conditioning, refrigerator, adopt electromagnetic relay control mostly, sparking in the relay switch process then is the fatal killer of relay contact, significantly reduce the relay life-span, and brought the EMI interference problem simultaneously.
And the applicant had submitted the patent application of the relevant zero-cross triggering circuit that addresses this problem with regard to the sparking problem of relay, specifically can be referring to patent ZL 200620039011.1, the application improves on the basis of last patent, removed controllable silicon, reduced cost, not only same purpose can be reached, more relay can also be adapted to simultaneously.
The utility model content
The purpose of this utility model is to disclose a kind of raising electromagnetic relay useful life, solves the zero passage switch of electromagnetic relay circuit of EMI interference problem.
The technical solution of the utility model is, a kind of zero passage switch of electromagnetic relay circuit, comprise intelligent control chip, follow the tracks of testing circuit and alternating current sampling circuit, described intelligent control chip connects the output of described tracking testing circuit and described alternating current sampling circuit respectively, control the output of described electromagnetic relay, wherein:
Described alternating current sampling circuit is used for the detection to the input ac voltage signal;
Described tracking testing circuit is used for the detection to electromagnetic relay contact switch signal;
Described intelligent control chip is used for controlling to collection, storage and the calculating of described input ac voltage signal and described electromagnetic relay contact switch signal with for the switch of described electromagnetic relay.
Described alternating current sampling circuit is become with a string joint group of resistor by the parallel circuits of resistor three and capacitor two.
Described resistor three value 10K Ω, capacitor two values 0.01 μ F, resistor one value 1M Ω.
Described tracking testing circuit is composed in series by the parallel circuits and the resistor two of resistor four and capacitor three.
Described resistor four value 10K Ω, capacitor three values 0.01 μ F, resistor two value 1M Ω.
Do a simple declaration with regard to the principle of the technical scheme of stupid utility model below.
Electromagnetic relay is exactly the electromagnetic switch of a machinery, its basic principle is when powering up to coil, the magnetic field of its generation can be inhaled armature and be forwarded on the normally opened contact from a normally-closed contact, because be hard contact, so relay has the very little characteristics of conducting resistance, can be applied in the occasion of high-power control.
Also because the break-make of electromagnetic relay is mechanical action, so switch is from needing the regular hour in addition while moving to when powering up to relay, Here it is pull up time, the operate time of general power relay is about 5-30mS, and has a bigger individual difference, this time does not generally have any influence to electrical work, voltage over zero is opened and switching off load but so just cause can't going to aim at, the surge current that switch brings will cause interference to electrical network, this is the insurmountable always problem of relay, some is the average pickup time of calculating a relay substantially in the product of the control of the use relay of research and development, shift to an earlier date the regular hour at zero crossing then and remove to open relay, it is basic like this that can to make the part switch motion be near zero-crossing point, but the consideration individual difference is not still really dealt with problems.
Electromagnetic relay tends to occur the arcing phenomenon in the moment of switch on switch contact when the control high-voltage great-current in addition, the spark phenomenon of just generally seeing, electrical wear will appear in this moment, and this wearing and tearing will be considerably beyond mechanical wear, so cause the electrical endurance of relay to be far smaller than its mechanical endurance, general electrical endurance is all about 5-10 is ten thousand times, and generally can reach more than 1,000,000 times pure mechanical endurance, the a lot of people of industry generally can use arc-extinguish chamber in the research of being devoted to the electronics arc extinguishing for this reason, capacitance-resistance extinguishing arc or electronics arc arrester are eliminated electric arc.
At the problems referred to above, the technical solution of the utility model is carried the previous time and is powered up to electromagnetic relay coil in the zero crossing front, if this time just in time equals pull up time, then the contact of relay just can be just in time in the zero crossing adhesive.For dissimilar electromagnetic relays, perhaps with a kind of Different Individual of relay, even external conditions such as the different driving voltage of same individuality or temperature, the difference of bigger operate time is arranged all.Because can't give all the same leads of relay, the technical solution of the utility model is followed the tracks of the time of detecting real adhesive in contact or disconnection in each relay adhesive or disconnection, data are sent into IC inside, store, calculate, with adjust for lead, just in time allow lead equal operate time thereby reach, realized zero cross fired.Simultaneously, circuit of the present utility model does not need extra arc-control device yet.
The utility model has solved the problem and the EMI problem of electromagnetic relay sparking in a kind of mode of circuit self study, in the useful life of having improved relay, has reduced the circuit design manufacturing cost.
Description of drawings
Fig. 1 is a zero passage switch of electromagnetic relay circuit module theory diagram among the utility model one embodiment
Fig. 2 is zero passage switch of electromagnetic relay circuit theory diagrams among the utility model one embodiment
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
The utility model has an acquiescence initial value of opening the relay lead first in the circuit storage inside, after receiving the unlatching relay signal first, open relay according to the acquiescence lead, then detect the real pickup time of contact of relay subsequently, if be just in time at zero crossing, then continue next time to control with this lead, and general relay all can have any to shift to an earlier date or hysteresis a burst of pickup time, then IC can with this in advance and the time that lags behind deposit IC in, be used for adjust for lead through weighted calculation, then subtract in advance, lagging behind then adds, and just opens relay with the revised time for the second time, it is same if just in time zero passage does not then deal with, if have in advance or the adjust for lead again that lags behind then, can finish tracking so several times, later relay all can be in the zero crossing adhesive.
The process of closing is identical with unlatching.
As shown in Figure 1, the zero passage switch of electromagnetic relay circuit module, comprise intelligent control chip, follow the tracks of testing circuit and alternating current sampling circuit, wherein, alternating current sampling circuit is used for the detection to the input ac voltage signal, the tracking testing circuit is used for the detection to electromagnetic relay contact switch signal, and intelligent control chip is used for controlling to collection, storage and the calculating of described input ac voltage signal and described electromagnetic relay contact switch signal with for the switch of described electromagnetic relay.Control circuit is mainly finished collection, storage, calculating, the output of relay signal and is handled, alternating current sampling circuit only needs a resistance to get final product, can increase a resistance and an electric capacity for safe and reliable, and the tracking sampling circuit can have same structure with alternating current sampling circuit, and relay can be all DC driven relays that use present market.
As shown in Figure 2, U1 is the PTI special integrated circuit among the figure, is the core of control circuit, and the work of other circuit is coordinated in control; R1, R3 and C2 are used for gathering the zero crossing information of AC power, R2, R4 and C3 are the relay contact Working state checking circuits, whether detect relay in zero crossing adhesive or disconnection, IC according to these information to carry out the adjustment of adhesive control; R5, Q1 and D1 then are the relay coil drive circuits, in order to control relay adhesive or disconnection.C1 is the power filtering capacitor of IC.Described alternating current sampling circuit is composed in series by parallel circuits and the resistor R 1 of resistor R 3 and capacitor C2, resistor R 3 value 10K Ω, capacitor C2 value 0.01 μ F, resistor R 1 value 1M Ω.The tracking testing circuit is composed in series resistor R 4 value 10K Ω, capacitor C3 value 0.01 μ F, resistor R 2 value 1M Ω by parallel circuits and the resistor R 2 of resistor R 4 and capacitor C3.
In a word, the technical solution of the utility model mainly is a kind of implementation method of self study type relay zero-crossing switch, circuit is made up of Based Intelligent Control IC, alternating current sampling circuit, tracking testing circuit, relay and load etc., wherein intelligence control circuit is the some or all of circuit of our company's special chip, it is the core of system, meeting provides a drive signal according to phase of ac signal and after the state of relay judge at present after receiving control command, goes to open or closed relay.Alternating current sampling circuit is responsible for sampling and is exchanged phase place; Follow the tracks of then the sample operating state of relay contact of testing circuit, confirming to have does not have real adhesive.The principle of adhesive operate time of relay is followed the tracks of in this programme utilization study automatically, according to the switching delay of relay itself, gives the method for corresponding lead, has realized zero passage switch of electromagnetic relay.Technical solutions of the utility model need not other annex device, adapt to various relays automatically, and the individual difference of relay no longer becomes problem.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200761967U CN201425921Y (en) | 2009-06-12 | 2009-06-12 | Electromagnetic relay zero-crossing switch circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200761967U CN201425921Y (en) | 2009-06-12 | 2009-06-12 | Electromagnetic relay zero-crossing switch circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201425921Y true CN201425921Y (en) | 2010-03-17 |
Family
ID=42025375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200761967U CN201425921Y (en) | 2009-06-12 | 2009-06-12 | Electromagnetic relay zero-crossing switch circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201425921Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101577192B (en) * | 2009-06-12 | 2011-05-04 | 百利通电子(上海)有限公司 | Method of zero passage switch of electromagnetic relay and circuit |
| CN102419562A (en) * | 2011-12-14 | 2012-04-18 | 海信（山东）空调有限公司 | Control method of relay with inductive load, and household appliance |
| CN102956398A (en) * | 2011-08-26 | 2013-03-06 | Ls产电株式会社 | Electromagnetic contactor control method and electromagnetic contactor using the same |
| CN104576206A (en) * | 2015-01-19 | 2015-04-29 | 国家电网公司 | Spark control device of alternating current contactor |
| CN105098792A (en) * | 2014-12-18 | 2015-11-25 | 华北电力大学 | Intelligent capacitor capable of realizing on-line self-adaptive zero-crossing switching correction |
| CN105679606A (en) * | 2016-01-28 | 2016-06-15 | 福州大学 | Electromagnetic relay based wireless zero-crossing on-off switch and control method |
| US10240597B2 (en) | 2012-02-03 | 2019-03-26 | S.P.M. Flow Control, Inc. | Pump assembly including fluid cylinder and tapered valve seats |
| USD856498S1 (en) | 2013-01-31 | 2019-08-13 | S.P.M. Flow Control, Inc. | Valve seat |
-
2009
- 2009-06-12 CN CN2009200761967U patent/CN201425921Y/en not_active IP Right Cessation
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101577192B (en) * | 2009-06-12 | 2011-05-04 | 百利通电子(上海)有限公司 | Method of zero passage switch of electromagnetic relay and circuit |
| CN102956398A (en) * | 2011-08-26 | 2013-03-06 | Ls产电株式会社 | Electromagnetic contactor control method and electromagnetic contactor using the same |
| CN102419562A (en) * | 2011-12-14 | 2012-04-18 | 海信（山东）空调有限公司 | Control method of relay with inductive load, and household appliance |
| CN102419562B (en) * | 2011-12-14 | 2013-08-21 | 海信（山东）空调有限公司 | Control method of relay with inductive load, and household appliance |
| US10240597B2 (en) | 2012-02-03 | 2019-03-26 | S.P.M. Flow Control, Inc. | Pump assembly including fluid cylinder and tapered valve seats |
| USD856498S1 (en) | 2013-01-31 | 2019-08-13 | S.P.M. Flow Control, Inc. | Valve seat |
| CN105098792A (en) * | 2014-12-18 | 2015-11-25 | 华北电力大学 | Intelligent capacitor capable of realizing on-line self-adaptive zero-crossing switching correction |
| CN105098792B (en) * | 2014-12-18 | 2018-01-16 | 华北电力大学 | The intelligent capacitor of online adaptive operating passing zero correction |
| CN104576206A (en) * | 2015-01-19 | 2015-04-29 | 国家电网公司 | Spark control device of alternating current contactor |
| CN105679606A (en) * | 2016-01-28 | 2016-06-15 | 福州大学 | Electromagnetic relay based wireless zero-crossing on-off switch and control method |
| CN105679606B (en) * | 2016-01-28 | 2018-12-25 | 福州大学 | A kind of wireless zero passage on-off switch and control method based on electromagnetic relay |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106656021B (en) | A kind of anti-PID header boxs system and its implementation | |
| CN203444081U (en) | Monitoring and control system for permanent magnetic mechanism breaker | |
| CN102967825B (en) | Automatic reliability test device for electric operating mechanism of molded case circuit breaker and control method of device | |
| CN201004435Y (en) | AC relay | |
| CN202454840U (en) | Multipurpose delay power socket | |
| CN202917398U (en) | Self-adjusting zero-crossing control circuit for electromagnetic?relay | |
| CN102265481A (en) | Intuitive electronic circuit | |
| CN203911743U (en) | Electronic device and capacitor discharge circuit thereof | |
| CN103645655B (en) | A kind of control method of relay for one-phase smart electric meter | |
| CN102208306A (en) | Low-voltage intelligent circuit breaker | |
| CN103871784B (en) | relay mutation impact protection system and method thereof | |
| CN101614795B (en) | Default-phase signal detection circuit for three-phase power | |
| CN104813177A (en) | Power failure detection method, power failure detector, lighting device, and power supply device | |
| US8093969B2 (en) | Low-power numerically controlled contactor and control system made of the contactors | |
| CN102003767A (en) | Control method and device for assistant electrical heating of air conditioner | |
| CN104425184A (en) | Control device for switching on and switching off relay and air conditioner | |
| CN102520346A (en) | Permanent magnetic vacuum circuit breaker online monitoring and diagnosing device | |
| CN101908439B (en) | Self-adaptive electromagnetic relay zero-crossing on and off control method | |
| CN100517541C (en) | A bistable contactor drive circuit | |
| CN204167871U (en) | A kind of Aftercurrent protection circuit breaker | |
| CN201294387Y (en) | Energy-saving capacitance compensation switching controller | |
| CN202888081U (en) | AC contactor intelligent control apparatus with energy saving effect | |
| CN203561857U (en) | Low-power standby control system | |
| CN201159761Y (en) | Commercial power, generator electric power judgment device | |
| CN201975754U (en) | Electric leakage overcurrent protection circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| C14 | Grant of patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100317 |
|
| CX01 | Expiry of patent term |