CN201533164U - Automatic control delay power protector - Google Patents
Automatic control delay power protector Download PDFInfo
- Publication number
- CN201533164U CN201533164U CN2009202265849U CN200920226584U CN201533164U CN 201533164 U CN201533164 U CN 201533164U CN 2009202265849 U CN2009202265849 U CN 2009202265849U CN 200920226584 U CN200920226584 U CN 200920226584U CN 201533164 U CN201533164 U CN 201533164U
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- live wire
- input
- automaton
- protector
- automatic control
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Abstract
The public utility model discloses an automatic control delay power protector, mounted between the power supply of the automatic control device and the power supply switch terminal behand the power supply, to form effective protection to the automatical control components. The protector includes an intermediate relay ZJ, a time relay SJ, an input firing line L, an input zero line N and an output firing line L1, the coil of the intermediate relay ZJ is connected in series with a delay normally open contact SJ1, and then respectively cnonected to the input firing line L and the input zero line N to constitute a start trigger circuit of the intermediate relay ZJ; the normally closed contact ZJ 3 of the intermediate relay ZJ is connected in series with the coil of the time relay SJ, and then respectively cnonected to the input firing line L and the input zero line N to constitute a supply voltage stability determining circuit; a normally open contact ZJ4 is connected in series between the input firing line L and the output firing line L1, to constitute normal power supply circuit; a normally open contact ZJ2 of the intermediate relay ZJ is connected in parallel on the delay normally open contact SJ1 to constitute a holding circuit.
Description
Technical field
The utility model relates to the Control of Voltage protective device of automatic control equipment; especially automatic control delay power protector; be installed between the power switch of automaton and the power distribution terminal behind the power switch, the automatic control component of automaton is formed effective protection.
Background technology
In the various automatons such as the motor frequency conversion actuator, power switch send in the process of electricity at combined floodgate, and it is unsuccessful often to occur once closing a floodgate, and needs secondary or repeatedly closes a floodgate just successful phenomenon.The high voltage that this phenomenon causes can cause to the control device of the automatic control section in the automaton very big impact, cause shorten or even damage the service life of controller key spare in the control device, and then cause a whole set of automaton to hinder for some reason and can not work, affect and industrially normally carry out.
Summary of the invention
The purpose of this utility model provides automatic control time-delay energising protector; avoid the mains switch continuous several times to send electricity or power supply to dodge the disconnected high voltage that causes suddenly; to the impact that controller key spare caused in the automatic control equipment; the control section of protection automatic control equipment; the damage because of automatic control section does not influence production, prolongs the useful life of automatic control equipment.
The purpose of this utility model is achieved in that automatic control delay power protector comprises intermediate relay ZJ, time relay sj, input live wire L, input zero line N and output live wire L1, the pull-in winding of intermediate relay ZJ is connected with time-delay normally opened contact SJ1, respectively with input live wire L be connected zero line N and be connected the startup triggering loop of formation intermediate relay ZJ; The normally-closed contact ZJ3 of intermediate relay ZJ connects with the pull-in winding of time relay sj, respectively with input live wire L be connected zero line N and be connected formation supply voltage judging stability loop; Normally opened contact ZJ4 of series connection between input live wire L and the output live wire L1 consists of the normal power supply loop; The normally opened contact ZJ2 of the upper intermediate relay ZJ in parallel of time-delay normally opened contact SJ1 consists of the maintenance loop.When sending electricity for automaton, at first by this protector, the voltage of judging power switch output steadily after the again power distribution terminal power supply behind the power switch.
The utility model compared with prior art has following useful effect: between the mains switch of automatic control equipment and the power distribution terminal behind the mains switch; install one additional and judge the time-delay energising protector of powering to the power distribution terminal again after supply voltage steadily, make the utility model become middle power supply link.The delay time capable of regulating of this protector between 2 to 5 seconds, after judging that power switch send level steady, the just power distribution terminal power supply behind the automaton control power switch.Can fundamentally eliminate the high voltage that the power distribution terminal of power supply continuous several times behind the power switch send electricity to produce; avoid impact that each control device that the power distribution terminal behind the power switch connects is caused; as: programmable controller, demonstration control instrument, Switching Power Supply etc.; the control assembly of effective protection equipment; in the service life of extension device, ensure normally carrying out of producing.
Description of drawings
Accompanying drawing is a fundamental diagram of the present utility model.
Embodiment
Below in conjunction with embodiment the utility model is done further detailed description, referring to accompanying drawing:
Embodiment 1: automatic control delay power protector comprises intermediate relay ZJ, time relay sj, input live wire L, input zero line N and output live wire L1, the coil of intermediate relay ZJ is connected with time-delay normally opened contact SJ1, respectively with input live wire L be connected zero line N and be connected the startup triggering loop of formation intermediate relay ZJ; The normally-closed contact ZJ3 of intermediate relay ZJ connects with the coil of time relay sj, respectively with input live wire L be connected zero line N and be connected formation supply voltage judging stability loop; Normally opened contact ZJ4 of series connection between input live wire L and the output live wire L1 consists of the normal power supply loop.The normally opened contact ZJ2 of the upper intermediate relay ZJ in parallel of time-delay normally opened contact SJ1, the effect of normally opened contact ZJ2 is and the coil of time-delay normally opened contact SJ1, intermediate relay ZJ is common consists of one and keep the loop, the coil that keeps intermediate relay ZJ under input live wire L incoming call normal condition all the time electric adhesive.The input live wire L of this protector is connected with the power switch output in the automaton; N is in parallel with the public zero curve in the automaton for the input zero line; Power distribution terminal in output live wire L1 and the automaton behind the power switch is connected, and can realize delay power protection.In the application, time relay sj and the intermediate relay ZJ of this protector can be fixed on the mounting guide rail, guide rail be fixed on the cabinet of automaton again.
Except above-mentioned application mode, the utility model can also be used in automaton and implements in following other two kinds of modes:
Embodiment 2: with the input live wire L of above-mentioned protector, input zero line N be connected live wire L1 and be connected with terminal respectively.The terminal of input live wire L is connected with the power switch output in the automaton; The terminal of input zero line N is in parallel with the public zero curve in the automaton; Power distribution terminal in the terminal of output live wire L1 and the automaton behind the power switch is connected.Mounting means in automaton such as above-mentioned.
Embodiment 3: as shown in the figure; this protector can also trigger the loop with starting, supply voltage is declared steady loop, normal power supply loop and kept the loop all to be fixed in the housing, and terminal is connected with output live wire L1 with input live wire L, input zero line N outside housing respectively.The terminal of input live wire L is connected with the power switch output in the automaton; The terminal of input zero line N is in parallel with the public zero curve in the automaton; Power distribution terminal in the terminal of output live wire L1 and the automaton behind the power switch is connected.In the use, the housing of this protector is fixed on the cabinet of automaton and gets final product.
The utility model is that the mains switch output in the automatic control equipment is connected with the input live wire L of protector, the public zero curve in the automatic control equipment is connected with the input zero line N of protector, as the working power of protector.Power distribution terminal behind the mains switch in the automatic control equipment is connected with the output live wire L1 of protector.
In the practical application, at first the delay time of setting up time relay SJ is generally set up at 2-5 between second.When the input live wire L of delay power protector incoming call, electricity consists of the supply voltage judging stability loop by coil and the zero line input N of normally-closed contact ZJ3 time of delivery (TOD) relay SJ.The time relay sj trigger, the input live wire L time of incoming call time as setting less than time relay sj of protector, time relay sj quits work at once.When the input live wire L of protector sent a telegram here again, electric coil by normally-closed contact ZJ3 time of delivery (TOD) relay SJ reconstituted supply voltage with input zero line N and declares steady loop, time relay sj trigger timing again.This also is that this protector judges that whether stably power supply send electricity principle.When the time relay sj time-delay arrives setting-up time, the time-delay normally opened contact SJ1 closure of time relay sj, electricity is delivered to the coil of intermediate relay ZJ, make its coil get electric the startup with input zero line N formation and trigger the loop, the coil of intermediate relay ZJ gets electric make normally opened contact ZJ2, ZJ4 adhesive, and normally-closed contact ZJ3 disconnects.Make electric energy deliver to the coil of intermediate relay ZJ through ZJ2 from input live wire L after the normally opened contact ZJ2 adhesive, consist of one through the coil of intermediate relay ZJ to input zero line N and keep the loop, keep the coil of intermediate relay ZJ under input live wire L sends a telegram here normal situation, be in all the time electricity condition.After the normally opened contact ZJ4 adhesive, protector input live wire L incoming call is powered to protector output live wire L1 through normally opened contact ZJ4.After normally-closed contact ZJ3 disconnects, the coil losing electricity of time relay sj, the state of deactivating, but useful life of time expand relay SJ like this.When the normal adhesive work of intermediate relay ZJ, if the flash situation appears in power supply, intermediate relay ZJ will disconnect at once, quit work.Protector repeats said process again when power supply is sent a telegram here again.So, protector output live wire L1 output be the steady voltage of no-voltage fluctuation, make the programmable controller that is connected with this protector output live wire L1, demonstration control instrument, Switching Power Supply etc. be subjected to effective protection.This delay power protector can be installed between the power switch and power distribution terminal of automatic control circuit in the various automatons; play the purpose of delay power protection automatic control device; as: water injecting pump Frequency converting driving automaton, oil transfer pump Frequency converting driving automaton, automatic control device for sewage treatment, multi-purpose station production process automaton, the poly-automaton of notes etc. all belong to protection domain of the present utility model.
Claims (6)
1. automatic control delay power protector, it is characterized in that this protector comprises intermediate relay ZJ, time relay sj, input live wire L, input zero line N and output live wire L1, the pull-in winding of intermediate relay ZJ is connected with time-delay normally opened contact SJ1, respectively with input live wire L be connected zero line N and be connected the startup triggering loop of formation intermediate relay ZJ; The normally-closed contact ZJ 3 of intermediate relay ZJ connects with the pull-in winding of time relay sj, respectively with input live wire L be connected zero line N and be connected formation supply voltage judging stability loop; Normally opened contact ZJ4 of series connection between input live wire L and the output live wire L1 consists of the normal power supply loop; The normally opened contact ZJ2 of the upper intermediate relay ZJ in parallel of time-delay normally opened contact SJ1 consists of the maintenance loop.
2. automatic control delay power protector according to claim 1, input live wire L, the input zero line N that it is characterized in that this protector be connected live wire L1 and can also be connected respectively use with terminal.
3. automatic control delay power protector according to claim 1; it is characterized in that startup triggering loop, supply voltage judging stability loop, the normal power supply loop of this protector and keep the loop can also be fixed in the housing, outside housing, use respectively terminal and input live wire L, input zero line N and be connected live wire L1 to be connected.
4. automatic control delay power protector according to claim 1 is characterized in that the input live wire L of this protector connects with the power switch output in the automaton; N is in parallel with the public zero curve in the automaton for the input zero line; Power distribution terminal in output live wire L1 and the automaton behind the power switch is connected.
5. automatic control delay power protector according to claim 2 is characterized in that the terminal of importing live wire L connects with the power switch output in the automaton; The terminal of input zero line N is in parallel with the public zero curve in the automaton; Power distribution terminal in the terminal of output live wire L1 and the automaton behind the power switch is connected.
6. automatic control delay power protector according to claim 3 is characterized in that the terminal of importing live wire L connects with the power switch output in the automaton; The terminal of input zero line N is in parallel with the public zero curve in the automaton; Power distribution terminal in the terminal of output live wire L1 and the automaton behind the power switch is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202265849U CN201533164U (en) | 2009-09-17 | 2009-09-17 | Automatic control delay power protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202265849U CN201533164U (en) | 2009-09-17 | 2009-09-17 | Automatic control delay power protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201533164U true CN201533164U (en) | 2010-07-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202265849U Expired - Fee Related CN201533164U (en) | 2009-09-17 | 2009-09-17 | Automatic control delay power protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201533164U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392774A (en) * | 2011-12-12 | 2012-03-28 | 无锡国煤重工机械有限公司 | Time-limited protector of start motor of anti-explosion diesel engine for mine |
| WO2014131296A1 (en) * | 2013-03-01 | 2014-09-04 | 浙江正泰电器股份有限公司 | Control circuit of time relay |
| CN106532632A (en) * | 2017-01-03 | 2017-03-22 | 石家庄旭新光电科技有限公司 | Flash capturing, early-warning and avoidance method of power grid and early-warning system |
| CN107404116A (en) * | 2016-05-18 | 2017-11-28 | 深圳市信锐网科技术有限公司 | A kind of electrifying method, power device and electricity system |
-
2009
- 2009-09-17 CN CN2009202265849U patent/CN201533164U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392774A (en) * | 2011-12-12 | 2012-03-28 | 无锡国煤重工机械有限公司 | Time-limited protector of start motor of anti-explosion diesel engine for mine |
| WO2014131296A1 (en) * | 2013-03-01 | 2014-09-04 | 浙江正泰电器股份有限公司 | Control circuit of time relay |
| CN107404116A (en) * | 2016-05-18 | 2017-11-28 | 深圳市信锐网科技术有限公司 | A kind of electrifying method, power device and electricity system |
| CN106532632A (en) * | 2017-01-03 | 2017-03-22 | 石家庄旭新光电科技有限公司 | Flash capturing, early-warning and avoidance method of power grid and early-warning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100721 Termination date: 20100917 |