CN103560489A - Wiring circuit of interference electricity protector - Google Patents
Wiring circuit of interference electricity protector Download PDFInfo
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- CN103560489A CN103560489A CN201310514226.9A CN201310514226A CN103560489A CN 103560489 A CN103560489 A CN 103560489A CN 201310514226 A CN201310514226 A CN 201310514226A CN 103560489 A CN103560489 A CN 103560489A
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- 230000005611 electricity Effects 0.000 title claims abstract description 65
- 230000001012 protector Effects 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 10
- 238000005096 rolling process Methods 0.000 claims description 26
- 230000003111 delayed effect Effects 0.000 claims description 3
- 239000007858 starting material Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000009826 distribution Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000004804 winding Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The invention relates to a wiring circuit of an interference electricity protector. The wiring circuit comprises the interference electricity protector and a power supply state input interface, two power supply interfaces of the interference electricity protector are connected with the end N and the end L1 of an alternating current power supply respectively, a remote control interface of the interference electricity protector is connected with a remote controller, the interference electricity protector is switched off in the starting process of interference electricity self-starting delay, and is switched on in other time frames. When the input voltage of a power supply interface is larger than 80% of a nominal voltage, the power supply state input interface is closed, and is opened normally otherwise. The safety of a power supply and distribution network is effectively guaranteed, power distribution inlet wire breaker tripping caused by the starting of a motor group is avoided, and according to the requirements of a production process, a motor is started fast by itself, the work condition of a process system before interference electricity is restored, a normal production operation procedure is guaranteed, and shut losses caused by the interference electricity are greatly reduced. The interference electricity protector is provided with a contact switch specially matched with a DCS in a remote control mode, the remote control operation is automatically blocked in the self-starting process, and remote control error group starting is avoided.
Description
Technical field
The present invention relates to a kind of rolling non-electricity protector connection circuit, belong to instrument field.
Background technology
The electricity that shakes refers to a kind of power supply trouble phenomenon that supply power voltage significantly falls at short notice or interrupts.In industrial production, usually owing to shaking the electric low voltage motor shutdown that causes, cause the disorderly ，Gei of continuous flow procedure enterprise to cause production accident and huge loss.The non-electricity protector that shakes causes motor stopping for solving voltage ripple of power network exactly, can automatic restart after voltage recovers within a certain period of time and custom-designed.The running status of rolling non-electricity protector Real-Time Monitoring line voltage and motor.When the motor moving causes shutdown due to " shaking electric ", normal if line voltage recovers within the permission time of setting, and " rolling is electric ", front motor is in running status, and motor is reset motor according to the time of restarting of predetermined set; If line voltage does not recover normal in setting-up time, locking starting sequence, actuating motor no longer, if want actuating motor, can be by manually or remote control mode actuating motor.If on-the-spot, there is multiple electric motors to need sequential firing, only corresponding rolling non-electricity protector need be set to different starting delay times and just can realize the starting in batches successively of rolling electricity.
Summary of the invention
The present invention relates to a kind of rolling non-electricity protector connection circuit, described connection circuit comprises: rolling non-electricity protector; Two power interfaces of rolling non-electricity protector connect respectively two ends N and the L1 end of AC power, and the Remote control interface of rolling non-electricity protector connects remote-controller, and the electric self-starting delayed startup process of shaking breaks, and all the other periods are all closed; Power supply status input interface, when the input voltage of power interface is greater than 80% rated voltage, described power supply status input interface is closed, otherwise often opens.
The non-electricity protector that shakes adopts embedded 32 the technical grade single-chip microcomputers of current state-of-the-art ARM, fast operation, and processing capability in real time is strong, and antijamming capability is strong, is particularly suitable for the industrial motor application that controls environment, and reliability is high.Can be widely used in power plant, petrochemical industry and mining industry system.Effectively guarantee distribution network safety,, because motor group starting makes the tripping operation of distribution lead-in circuit breaker, do not press manufacturing technique requirent; quick self starting motor; recover the operating mode that process system shakes before electricity, guarantee normal production operation flow process, significantly reduce the shutdown loss that rolling electricity causes.The non-electricity protector that shakes is provided with specially far controls with DCS the contact switch coordinating, and automatically blocks remote-control operation in self-starting process, avoids control far away to all rise moving by mistake.
Accompanying drawing explanation
By describing in more detail exemplary embodiment of the present invention with reference to accompanying drawing, above and other aspect of the present invention and advantage will become and more be readily clear of, in the accompanying drawings:
Fig. 1 is a kind of panel layout schematic diagram that shakes non-electricity protector of the present invention;
Fig. 2 is a kind of wiring schematic diagram that shakes non-electricity protector of the present invention;
Fig. 3 is that a kind of typical case who shakes non-electricity protector connection circuit of the present invention applies winding diagram.
Embodiment
Hereinafter, now with reference to accompanying drawing, the present invention is described more fully, various embodiment shown in the drawings.Yet the present invention can implement in many different forms, and should not be interpreted as being confined to embodiment set forth herein.On the contrary, it will be thorough with completely providing these embodiment to make the disclosure, and scope of the present invention is conveyed to those skilled in the art fully.
Hereinafter, exemplary embodiment of the present invention is described with reference to the accompanying drawings in more detail.
With reference to accompanying drawing 1, the rolling non-electricity protector panel construction schematic diagram designing for the present invention.Implication and the function of each mark are as follows:
Accompanying drawing 2 is a kind of wiring schematic diagram that shakes non-electricity protector connection circuit of the present invention.Implication and the function of each mark are as follows:
The rolling non-electricity protector operation principle of the present invention's design is as follows:
(1). the non-electricity protector that shakes is installed compatible mounting means before adopting 35mm and screw plate, after the wiring of installation check rolling non-electricity protector is correct, checks and confirms to shake non-electricity protector in input state, and Power supply is normal, and power supply indicator is bright;
(2). set T1 and shake electric permission time and T2 and shake electric self-starting delay time.When operating motor runs into rolling electricity, the contactor of controlling motor switch is shaken electricity and is disconnected, and the non-electricity protector contactor that shakes is often opened 11,12 disconnections of input contact, and T1 starts timing.If the actual rolling electricity time is less than T1 Preset Time; from power up that time; self-starting time delay T2 starts timing; the non-electricity protector that shakes enters and starts time delay state; self-starting indicator light flicker, delay time to and voltage normal, shake the closed 1-2 of non-electricity protector " starting contactor " output contact 6,7 second; contactor coil obtains electric closure, starter motor operation.Input contact 11,12 closures often left by contactor simultaneously, and " informing " shakes after the success of non-electricity protector electric motor starting, break 6,7.
(3). shaking between the rear incoming call of electricity self-starting time delay, it is off-state that protector allows control contact 8,9 far away, the control start-up operation far away of blockade DCS, after self-starting finishes, 8,9 recover normally offs, allow DCS far to control the start and stop of motor.During blocking control far away, " allowing far to control " indicator light goes out.
(4). the rolling electricity time, while being greater than protector T1 Preset Time, the non-electricity protector that shakes was abandoned self-starting, and all output contact states are: starting contactor contact disconnects, and allow far behaviour's junction closure.Can be by operations staff this locality or remote-control operation motor start-up.
(5). the electric self-starting time delay of shaking finishes precontract 1 second, and electric if power supply occurs to shake again, protector is abandoned self-starting immediately.Though or incoming call but voltage is less than 80%Ue (rated voltage), protector is abandoned self-starting equally, simultaneously indicator of the power supply status goes out, normal opened contact is returned as normally open.
(6). when supply voltage is following lower than 80%, indicator of the power supply status goes out, and contact is opened.
(7). when the electric protection of shaking is exited, corresponding indicator light is bright.While there is to shake electricity, protector is not made response process.
(8). the non-electricity protector that shakes is usingd contactor and is often inputted contact and shake electric foundation as judgement, even at motor voltage in service lower than 80%Ue, as long as contactor input contact 11,12 still maintains closure state, the non-electricity protector that shakes can not start.
Fig. 3 is that a kind of typical case who shakes non-electricity protector connection circuit of the present invention applies winding diagram.Described connection circuit comprises: rolling non-electricity protector; Two power interfaces of rolling non-electricity protector connect respectively two ends N and the L1 end of AC power, and the Remote control interface of rolling non-electricity protector connects remote-controller, and the electric self-starting delayed startup process of shaking breaks, and all the other periods are all closed; Power supply status input interface, when the input voltage of power interface is greater than 80% rated voltage, described power supply status input interface is closed, otherwise often opens.
The key technical indexes of the present invention is as follows:
(1). output contact type capacity: the non-electricity protector output contact that shakes is passive dry contact, can connect for a long time 5A,
Can disconnect 250VDC T=5ms50W thoughts DC load;
Can disconnect 250VAC COS Φ=0.4250VA AC load.
(2). the contact time: be not more than 20ms
(3). insulation resistance: the megohmmeter measuring and protecting device shell that is 500V with open circuit voltage and expose band electric connecting terminals between, insulating resistance value is greater than 300M Ω.
(4). dielectric strength: protector outer casing and exposing between terminal, can bear 2KV (effective value) 50Hz test voltage, last 1 minute without puncturing or flashover phenomenon.
Service condition of the present invention is as follows:
(1). ambient temperature :-10 ℃～50 ℃;
(2). without gaseous conductor, non-corrosiveness gas, nothing is compared with strong vibration;
(3). operating voltage: be not more than 120% rated voltage;
(4). service position: arbitrarily;
(5). surrounding magnetic field intensity: be less than 0.5mT;
(6). must not rain and snow, there is antifog, dustproof, sand-proof facility.
The foregoing is only embodiments of the invention, be not limited to the present invention.The present invention can have various suitable changes and variation.All any modifications of doing within the spirit and principles in the present invention, be equal to replacement, improvement etc., within protection scope of the present invention all should be included in.
Claims (2)
1. shake a non-electricity protector connection circuit, it is characterized in that:
Described connection circuit comprises: rolling non-electricity protector; Two power interfaces of rolling non-electricity protector connect respectively two ends N and the L1 end of AC power, and the Remote control interface of rolling non-electricity protector connects remote-controller, and the electric self-starting delayed startup process of shaking breaks, and all the other periods are all closed; Power supply status input interface, when the input voltage of power interface is greater than 80% rated voltage, described power supply status input interface is closed, otherwise often opens.
2. a kind of rolling non-electricity protector connection circuit as claimed in claim 1, is characterized in that:
Described circuit further comprises: motor, and when operating motor runs into rolling electricity, the contactor of controlling motor switch is shaken electricity and is disconnected, and the non-electricity protector contactor that shakes is often opened the disconnection of input contact, and the default electricity that shakes allows time T 1 beginning timing; If the actual rolling electricity time is less than T1 Preset Time, from power up that time, self-starting time delay T2 starts timing, the non-electricity protector that shakes enters and starts time delay state, self-starting indicator light flicker, delay time to and voltage normal, shake the closed 1-2 of non-electricity protector " starting contactor " output contact second, contactor coil obtains electric closure, starter motor operation; Input junction closure often left by contactor simultaneously, and " informing " shakes after the success of non-electricity protector electric motor starting, break.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310514226.9A CN103560489A (en) | 2013-10-25 | 2013-10-25 | Wiring circuit of interference electricity protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310514226.9A CN103560489A (en) | 2013-10-25 | 2013-10-25 | Wiring circuit of interference electricity protector |
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| Publication Number | Publication Date |
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| CN103560489A true CN103560489A (en) | 2014-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310514226.9A Pending CN103560489A (en) | 2013-10-25 | 2013-10-25 | Wiring circuit of interference electricity protector |
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| CN (1) | CN103560489A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786340A (en) * | 2016-12-02 | 2017-05-31 | 江苏国网自控科技股份有限公司 | A kind of new voltage shock avoiding decompression opening device and its control method again |
| CN113852200A (en) * | 2021-09-27 | 2021-12-28 | 黑龙江大学科技开发总公司 | Low-voltage motor group batch restart control system and control method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU904081A1 (en) * | 1980-03-11 | 1982-02-07 | Северный научно-исследовательский институт промышленности | Device for overload protection of induction electric motor |
| CN2821977Y (en) * | 2005-09-10 | 2006-09-27 | 牟佳婧 | Shaking electric restarting controller |
| CN101309003A (en) * | 2008-06-27 | 2008-11-19 | 东南大学 | Low-voltage three-phase asynchronous motor anti-shaking and protection integrated device |
-
2013
- 2013-10-25 CN CN201310514226.9A patent/CN103560489A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU904081A1 (en) * | 1980-03-11 | 1982-02-07 | Северный научно-исследовательский институт промышленности | Device for overload protection of induction electric motor |
| CN2821977Y (en) * | 2005-09-10 | 2006-09-27 | 牟佳婧 | Shaking electric restarting controller |
| CN101309003A (en) * | 2008-06-27 | 2008-11-19 | 东南大学 | Low-voltage three-phase asynchronous motor anti-shaking and protection integrated device |
Non-Patent Citations (2)
| Title |
|---|
| 周翠莲: "低压智能保护器的防晃电功能", 《电子技术与软件工程》 * |
| 月牙小岛: "HJHD-91晃电保护器", 《百度文库》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786340A (en) * | 2016-12-02 | 2017-05-31 | 江苏国网自控科技股份有限公司 | A kind of new voltage shock avoiding decompression opening device and its control method again |
| CN106786340B (en) * | 2016-12-02 | 2019-03-08 | 江苏国网自控科技股份有限公司 | A kind of voltage shock avoiding decompression opening device and its control method again |
| CN113852200A (en) * | 2021-09-27 | 2021-12-28 | 黑龙江大学科技开发总公司 | Low-voltage motor group batch restart control system and control method thereof |
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Application publication date: 20140205 |