CN109509679A - Relay control system based on zero crossing delays time to control - Google Patents
Relay control system based on zero crossing delays time to control Download PDFInfo
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- CN109509679A CN109509679A CN201811460131.2A CN201811460131A CN109509679A CN 109509679 A CN109509679 A CN 109509679A CN 201811460131 A CN201811460131 A CN 201811460131A CN 109509679 A CN109509679 A CN 109509679A
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- Prior art keywords
- relay
- delay time
- control
- time
- module
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- 230000001934 delay Effects 0.000 title claims abstract description 13
- 238000001514 detection method Methods 0.000 claims description 13
- 230000006870 function Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 241000282320 Panthera leo Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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
- H01H47/18—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 for introducing delay in the operation of the relay
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
- H01H9/56—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the ac cycle
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Relay Circuits (AREA)
Abstract
The present invention provides a kind of relay control systems based on zero crossing delays time to control, comprising: acquisition module, main control module, memory module, control module；Main control module is calibrated by relay and obtains relay off delay time, make delay time, calculates control delay time and is stored by memory module, in conjunction with the crossover point signal that acquisition module provides, realizes and controls the zero crossing of control module.The angle that the present invention mainly passes through software promotes the using effect of relay, so that relay is in zero point in switch lamp moment by delays time to control algorithm, and relay both end voltage is zero, minimizes to the impact of relay, increase relay makes the service life.Especially main control module acquires equipment internal temperature in real time, according to collected temperature to control delay time compensate, calibration disconnected, the make delay time, make relay open and close that can be in zero point under the conditions of Current Temperatures.
Description
Technical field
The present invention relates to street lamp field of intelligent control, and in particular, to the relay control based on zero crossing delays time to control
System.
Background technique
Zero passage detection refers in AC system, when waveform is converted from positive half cycle to negative half period, when by zero-bit, is
The detection that system is made.The make delay time refers to relay from closure signal is received to relay operation contact completion closure
The time of movement.The off delay time refers to that relay is dynamic to the completion disconnection of relay operation contact from cut-off signal is received
The time of work.
The currently marketed control to street lamp based on normally opened relay, normally closed relay due to Surge handling capability not
Foot, is only applicable to the control of LED light, sodium vapor lamp still occupied lion's share in the current marketplace at that time, with customer demand at present
Continuous refinement, the normally closed control technology of sodium vapor lamp will be increasingly becoming the essential option of single-lamp controller.Sodium vapor lamp is being switched since electric current is big
Lamp moment is bigger to the impact of normally closed relay, seriously affects the service life of normally closed relay.
Currently mainly pass through relay level to the solution of this problem to solve, improve relay contact material, increases
Add relay volume etc., but such solution is limited by cost reason in civil field, application effect is extremely limited.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of relays based on zero crossing delays time to control
Control system.
A kind of relay control system based on zero crossing delays time to control provided according to the present invention, which is characterized in that packet
It includes: acquisition module, main control module, memory module, control module；
Main control module is calibrated by relay and obtains relay off delay time, make delay time, calculates control and prolongs
When the time and stored by memory module, in conjunction with the crossover point signal that acquisition module provides, realize the zero crossing control to control module
System.
Preferably, main control module carries out the off delay time of relay and make delay time when first powering on
Calibration, sends multiple close commands and multiple ON- and OFF- command respectively, and then it is corresponding to relay to receive order for detection relay
The time being turned on or off, the multiple relay make delay time is averaged the make delay time for obtaining this relay, more
The secondary relay off delay time is averaged the off delay time for obtaining this relay, and make delay time and disconnection are prolonged
When the time be stored in memory module, power down save；
Main control module calculates control delay time；The alternating current a cycle time is subtracted into the make delay time, is obtained
Closure control delay time；The alternating current a cycle time is subtracted into the off delay time, obtains disconnecting control delay time；
The metering chip of acquisition module provides zero crossing detection function, when acquisition module detects that alternating current is in zero point to
Main control module sends a pulse signal；Main control module can first turn on zero passage detection pair in switchgear order to be executed
The external interrupt answered, and the corresponding external interrupt of zero passage detection is arranged to highest priority, do not allow other interruptions to interrupt,
After detecting zero cross signal, the time is accordingly controlled according to make delay or off delay controls one timer of timing definition, it is fixed
When device timing send closing or opening order to rear corresponding, relay is when by off delay time or make delay
Between after, control module operational relay just sentence zero point carry out closing or opening movement.
Preferably, main control module acquires equipment internal temperature in real time, is done according to collected temperature to control delay time
Compensation, makes relay open and close that can be in zero point under the conditions of Current Temperatures.
Preferably, main control module acquires equipment internal temperature by temperature collection circuit in real time.
Compared with prior art, the present invention have it is following the utility model has the advantages that
The angle that the present invention mainly passes through software promotes the using effect of relay, makes relay by delays time to control algorithm
It is in zero point in switch lamp moment, relay both end voltage is zero, is minimized to the impact of relay, increase relay makes the longevity
Life.Especially main control module acquires equipment internal temperature in real time, is compensated according to collected temperature control delay time, school
Standard disconnected, the make delay time, make relay open and close that can be in zero point under the conditions of Current Temperatures.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is structure principle chart of the invention.
Fig. 2 is structure principle chart of the invention.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention
Protection scope.
As shown in Figure 1, a kind of relay control system based on zero crossing delays time to control provided according to the present invention, packet
It includes: acquisition module, main control module, memory module, control module；In preference, as shown in Fig. 2, further including temperature acquisition electricity
Road, main control module acquire equipment internal temperature, so that main control module can acquire equipment in real time by temperature collection circuit in real time
Internal temperature, according to collected temperature to control delay time compensate, calibration disconnected, the make delay time, make after
Electric appliance open and close can be in zero point under the conditions of Current Temperatures.
Main control module is calibrated by relay and obtains relay off delay time, make delay time, calculates control and prolongs
When the time and stored by memory module, in conjunction with the crossover point signal that acquisition module provides, realize the zero crossing control to control module
System.
Main control module calibrates the off delay time of relay and make delay time when first powering on, point
Multiple close commands and multiple ON- and OFF- command are not sent, and then detection relay receives order and accordingly leads on-off to relay
The time opened, multiple relay make delay time are averaged the make delay time for obtaining this relay, multiple relay
The off delay time is averaged the off delay time for obtaining this relay, and make delay time and off delay time are deposited
Enter memory module, power down saves；
Main control module calculates control delay time；The alternating current a cycle time is subtracted into the make delay time, is obtained
Closure control delay time；The alternating current a cycle time is subtracted into the off delay time, obtains disconnecting control delay time；
The alternating current a cycle time is 200ms；
The metering chip of acquisition module provides zero crossing detection function, when acquisition module detects that alternating current is in zero point to
Main control module sends a pulse signal；Main control module can first turn on zero passage detection pair in switchgear order to be executed
The external interrupt answered, and the corresponding external interrupt of zero passage detection is arranged to highest priority, do not allow other interruptions to interrupt,
After detecting zero cross signal, the time is accordingly controlled according to make delay or off delay controls one timer of timing definition, it is fixed
When device timing send closing or opening order to rear corresponding, relay is when by off delay time or make delay
Between after, control module operational relay just sentence zero point carry out closing or opening movement；
There are certain amplitude in the make delay time and off delay time of relay relative to room temperature under high/low temperature condition
Offset, main control module acquires equipment internal temperature in real time, does certain amplitude to control delay time according to collected temperature
Compensation, make no matter relay open and close under the conditions of which kind of temperature can be in zero point.
One skilled in the art will appreciate that in addition to realizing system provided by the invention in a manner of pure computer readable program code
It, completely can be by the way that method and step be carried out programming in logic come so that provided by the invention other than system, device and its modules
System, device and its modules are declined with logic gate, switch, specific integrated circuit, programmable logic controller (PLC) and insertion
The form of controller etc. realizes identical program.So system provided by the invention, device and its modules may be considered that
It is a kind of hardware component, and the knot that the module for realizing various programs for including in it can also be considered as in hardware component
Structure；It can also will be considered as realizing the module of various functions either the software program of implementation method can be Hardware Subdivision again
Structure in part.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (4)
1. a kind of relay control system based on zero crossing delays time to control characterized by comprising acquisition module, master control mould
Block, memory module, control module；
Main control module is calibrated by relay and obtains relay off delay time, make delay time, when calculating control delay
Between and stored by memory module, in conjunction with the crossover point signal that acquisition module provides, realize and the zero crossing of control module controlled.
2. the relay control system according to claim 1 based on zero crossing delays time to control, which is characterized in that master control mould
Block calibrates the off delay time of relay and make delay time when first powering on, and sends repeatedly closure respectively
Then order and multiple ON- and OFF- command detect relay and receive the time that order is accordingly turned on or off to relay, repeatedly
The relay make delay time is averaged the make delay time for obtaining this relay, and the multiple relay off delay time takes
Average value obtains the off delay time of this relay, and make delay time and off delay time are stored in memory module, fallen
Electricity saves；
Main control module calculates control delay time；The alternating current a cycle time is subtracted into the make delay time, is closed
Control delay time；The alternating current a cycle time is subtracted into the off delay time, obtains disconnecting control delay time；
The metering chip of acquisition module provides zero crossing detection function, when acquisition module detects that alternating current is in zero point to master control
Module sends a pulse signal；It is corresponding to first turn on zero passage detection in switchgear order to be executed for main control module
External interrupt, and the corresponding external interrupt of zero passage detection is arranged to highest priority, do not allow other interruptions to interrupt, is detecting
To after zero cross signal, the time is accordingly controlled according to make delay or off delay controls one timer of timing definition, timer
Timing send closing or opening order to rear corresponding, relay is passing through off delay time or make delay time
Afterwards, control module operational relay just sentences zero point and carries out closing or opening movement.
3. the relay control system according to claim 1 based on zero crossing delays time to control, which is characterized in that master control mould
Block acquires equipment internal temperature in real time, is compensated according to collected temperature control delay time, relay is made to be closed and break
Zero point can be in by being opened under the conditions of Current Temperatures.
4. the relay control system according to claim 3 based on zero crossing delays time to control, which is characterized in that master control mould
Block acquires equipment internal temperature by temperature collection circuit in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811460131.2A CN109509679A (en) | 2018-11-30 | 2018-11-30 | Relay control system based on zero crossing delays time to control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811460131.2A CN109509679A (en) | 2018-11-30 | 2018-11-30 | Relay control system based on zero crossing delays time to control |
Publications (1)
| Publication Number | Publication Date |
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| CN109509679A true CN109509679A (en) | 2019-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811460131.2A Pending CN109509679A (en) | 2018-11-30 | 2018-11-30 | Relay control system based on zero crossing delays time to control |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412453A (en) * | 2019-07-05 | 2019-11-05 | 宁波智轩物联网科技有限公司 | A kind of intelligence is spaced apart the automatic calibrating method and system of actuation zero point |
| CN113107826A (en) * | 2021-04-14 | 2021-07-13 | 珠海拓芯科技有限公司 | Compressor start-stop control method and circuit and air conditioner |
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| CN101720143A (en) * | 2009-12-04 | 2010-06-02 | 合肥荣事达三洋电器股份有限公司 | Zero crossing point control method of relaying protection device |
| CN103701141A (en) * | 2014-01-08 | 2014-04-02 | 福建阳谷智能技术有限公司 | Novel multifunctional coding switch |
| CN107492897A (en) * | 2017-06-16 | 2017-12-19 | 浙江华云信息科技有限公司 | Synchro switch action delay tracking system and method for work for intelligent capacitor |
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2018
- 2018-11-30 CN CN201811460131.2A patent/CN109509679A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101720143A (en) * | 2009-12-04 | 2010-06-02 | 合肥荣事达三洋电器股份有限公司 | Zero crossing point control method of relaying protection device |
| CN103701141A (en) * | 2014-01-08 | 2014-04-02 | 福建阳谷智能技术有限公司 | Novel multifunctional coding switch |
| CN107492897A (en) * | 2017-06-16 | 2017-12-19 | 浙江华云信息科技有限公司 | Synchro switch action delay tracking system and method for work for intelligent capacitor |
Non-Patent Citations (1)
| Title |
|---|
| 李付伟等: "一种单灯控制器控制电路设计和分析", 光源与照明, no. 2018, 30 June 2018 (2018-06-30), pages 12 - 15 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412453A (en) * | 2019-07-05 | 2019-11-05 | 宁波智轩物联网科技有限公司 | A kind of intelligence is spaced apart the automatic calibrating method and system of actuation zero point |
| CN110412453B (en) * | 2019-07-05 | 2022-06-10 | 宁波智轩物联网科技有限公司 | Automatic calibration method and system for intelligent air switch suction zero point |
| CN113107826A (en) * | 2021-04-14 | 2021-07-13 | 珠海拓芯科技有限公司 | Compressor start-stop control method and circuit and air conditioner |
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