CN204316172U - Compact power switching device shifter - Google Patents

Compact power switching device shifter Download PDF

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Publication number
CN204316172U
CN204316172U CN201420733301.0U CN201420733301U CN204316172U CN 204316172 U CN204316172 U CN 204316172U CN 201420733301 U CN201420733301 U CN 201420733301U CN 204316172 U CN204316172 U CN 204316172U
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CN
China
Prior art keywords
power supply
main electricity
switch control
stand
module
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.)
Expired - Fee Related
Application number
CN201420733301.0U
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Chinese (zh)
Inventor
陈西迎
孟科
赛亚男
陈晓霞
张萌萌
孙伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guo Wang Shandong Feicheng Power Supply Co
State Grid Corp of China SGCC
TaiAn Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
Guo Wang Shandong Feicheng Power Supply Co
State Grid Corp of China SGCC
TaiAn Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guo Wang Shandong Feicheng Power Supply Co, State Grid Corp of China SGCC, TaiAn Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical Guo Wang Shandong Feicheng Power Supply Co
Priority to CN201420733301.0U priority Critical patent/CN204316172U/en
Application granted granted Critical
Publication of CN204316172U publication Critical patent/CN204316172U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of compact power switching device shifter, comprise: power supply monitoring module, judge module and switch control module, power supply monitoring module is connected with judge module, state information to generate state information, and is sent to judge module by the state of power supply monitoring module monitors main electricity and stand-by power supply; Judge module is connected with switch control module, and judge module judges the electric power thus supplied of main electricity according to the state information received, and generates switch control rule information when electric power thus supplied meets threshold requirement, and switch control rule information is sent to switch control module; Switch control module disconnects main electricity service entrance switch and the stand-by power supply service entrance switch that closes according to switch control rule information.Compact power switching device shifter of the present utility model can complete the switch operating between main electricity and stand-by power supply at short notice.Compact power switching device shifter of the present utility model is simple and compact for structure, and cost is lower, is conducive to large-scale application industrially.

Description

Compact power switching device shifter
Technical field
The utility model relates to electrical engineering field, particularly relates to a kind of compact power switching device shifter.
Background technology
At present, have the occasion of strict demand at some to stable power-supplying, such as, business performance, momentous conference and medical services etc., need to ensure the stable of supply of electric power, once supply of electric power is interrupted, will produce comparatively serious adverse consequences.
In order to the problem that the power supply solving above-mentioned occasion is stable, prior art introduces dual power supply system, and when cannot power when a power failure, system can switch to another power supply and proceed power supply.The dual power supply switched system of prior art cannot realize the automatic switching of duplicate supply, still needs on-the-spot operating personnel carry out manual operation or divide combination switch by remote pilot.In this case, once generation main electricity dead electricity, switching to stand-by power supply just needs the longer time.This will cause of short duration power-off, thus brings adverse effect to important events such as business performance, momentous conference and medical services.The dual power supply switched system of prior art can not meet the requirement of important Electricity customers to stabilized power supply, and the cost of prior art is higher, and volume is comparatively large, installs and use all to there is certain difficulty.
Therefore, the electrical source exchange efficiency how effectively improving dual power supply switched system just becomes problem demanding prompt solution.
Utility model content
In order to effectively improve the electrical source exchange efficiency of dual power supply switched system, the utility model provides a kind of compact power switching device shifter, comprising: power supply monitoring module, judge module and switch control module,
Described power supply monitoring module is connected with described judge module, and described state information to generate state information, and is sent to described judge module by the state of described power supply monitoring module monitors main electricity and stand-by power supply;
Described judge module is connected with described switch control module, described judge module judges the electric power thus supplied of described main electricity according to the described state information received, and generate switch control rule information when described electric power thus supplied meets threshold requirement, and described switch control rule information is sent to described switch control module;
Described switch control module disconnects main electricity service entrance switch and the stand-by power supply service entrance switch that closes according to described switch control rule information;
Described state information comprises the phase information of main electricity and stand-by power supply, and described compact power switching device shifter also comprises Phase synchronization adjuster for disconnecting main electricity service entrance switch and regulating the phase place of stand-by power supply to make the Phase synchronization of itself and main electricity before the stand-by power supply service entrance switch that closes.
Described electric power thus supplied meets threshold requirement and comprises: the normal and stand-by power supply service entrance switch of main electricity service entrance switch breaking, main electricity inlet wire no current, main electricity inlet wire no-voltage, backup power source voltage is in a point position.
Described power supply monitoring module comprises voltage sampling element and current sample element, and described voltage sampling element detects described main electricity primary voltage and described backup power source voltage, main electricity inlet wire current described in described current sample element testing.
Compact power switching device shifter of the present utility model can complete the switch operating between main electricity and stand-by power supply at short notice.Compact power switching device shifter of the present utility model is simple and compact for structure, be easy to carry and operate, and cost is lower, has higher practicality, is conducive to large-scale application industrially.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the panel schematic diagram of the embodiment of compact power switching device shifter of the present utility model.
Fig. 2 is the circuit theory schematic diagram of the embodiment of compact power switching device shifter of the present utility model.
Fig. 3 is the wiring schematic diagram of the embodiment of compact power switching device shifter of the present utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the panel schematic diagram of the embodiment of compact power switching device shifter of the present utility model, Fig. 2 is the circuit theory schematic diagram of the embodiment of compact power switching device shifter of the present utility model, Fig. 3 is the wiring schematic diagram of the embodiment of compact power switching device shifter of the present utility model, as shown in Figure 1, Figure 2 and Figure 3, the compact power switching device shifter of the present embodiment can comprise: power supply monitoring module, judge module, switch control module and alarm module.
Concrete, with reference to figure 2, from the aspect of circuit theory, compact power switching device shifter of the present utility model can be divided into power supply monitoring module, judge module and switch control module from the angle of circuit function.Because concrete circuit structure belongs to the category of prior art, therefore here do not repeat.
Power supply monitoring module is connected with judge module, and state information to generate state information, and is sent to judge module by the state of power supply monitoring module monitors main electricity and stand-by power supply.
Concrete, power supply monitoring module is connected with judge module, power supply monitoring module carries out Real-Time Monitoring to main electricity and stand-by power supply, the power supply state of monitoring main electricity and stand-by power supply, and according to main electricity and the current power supply state of stand-by power supply, or when the power supply state of main electricity and stand-by power supply changes, produce the state information representing the power supply state of main electricity and stand-by power supply accordingly.Then this state information is sent to judge module by power supply monitoring module.
Preferably, power supply monitoring module comprises voltage sampling element and current sample element, and voltage sampling element detects main electricity primary voltage and backup power source voltage, current sample element testing main electricity inlet wire current.Power supply monitoring module can comprise voltage sampling element and current sample element, and power supply monitoring module detects main electricity primary voltage and backup power source voltage, by current sample element testing main electricity inlet wire current by voltage sampling element.Voltage sampling element and current sample element can be potentiometer and galvanometer, also can be the functional modules that the circuit element performing corresponding function forms.
Judge module is connected with switch control module, judge module judges the electric power thus supplied of main electricity according to the state information received, judge module meets in electric power thus supplied the information generating raising stand-by power supply power output when first threshold requires, sends to stand-by power supply to improve stand-by power supply power output the information improving stand-by power supply power output; Generate switch control rule information when electric power thus supplied meets Second Threshold requirement, and switch control rule information is sent to switch control module, switch control module disconnects main electricity service entrance switch and the stand-by power supply service entrance switch that closes according to switch control rule information.
Concrete, judge module is connected with switch control module, after judge module receives state information, can judge the electric power thus supplied of main electricity according to the state information received.Judge module can according to the threshold value preset, when the electric power thus supplied of whole electric power system meets threshold requirement, and the switch control rule information of corresponding generation control switch circuit, and switch control rule information is sent to the switch control module for carrying out contactor.In order to ensure continuity and the fail safe of power supply, when judge module judges that the electric power thus supplied of main electricity exists downward trend according to the state information received, first can allowing stand-by power supply in advance ready (as promoted the power of stand-by power supply), causing to prevent standby power not enough handoff procedure to there is larger drop.Both illustrated that the power of stand-by power supply reached requirement when electric power thus supplied meets Second Threshold requirement, switching that can be smoothing.
Preferably, electric power thus supplied meets first threshold and requires specifically to comprise: the normal and stand-by power supply service entrance switch of main electricity service entrance switch breaking, main electricity inlet wire no current, main electricity inlet wire no-voltage, backup power source voltage is in a point position.Judge module judges that the abnormal main basis of the electric power thus supplied of main electricity is with lower threshold value index: the normal and stand-by power supply service entrance switch of main electricity service entrance switch breaking, main electricity inlet wire no current, main electricity inlet wire no-voltage, backup power source voltage is in a point position, as long as these five threshold value indexs meet wherein first three any one, namely illustrate that main electricity is powered abnormal, all the other two threshold values mainly judge that whether the power supply of stand-by power supply is normal.When first three threshold value meets one of them, and when latter two threshold value all meets, then need to carry out the switch operating of main electricity to stand-by power supply, the corresponding switch control rule information that just can generate execution switch control rule.Threshold value can be set as that current value is less than 80%, less than 75%, less than 70%, less than 65%, less than 60%, less than 55%, less than 50%, less than 45%, less than 40%, less than 35% or less than 30% of main electricity inlet wire current rated value.Magnitude of voltage is less than 80%, less than 75%, less than 70%, less than 65%, less than 60%, less than 55%, less than 50%, less than 45%, less than 40%, less than 35% or less than 30% of main electricity primary voltage rated value.
Preferably, electric power thus supplied meets Second Threshold and requires to include: standby power reaches required value, and stand-by power supply phase place is consistent with main electricity.Judge module can reach the required value set according to the actual requirements this two indices consistent with main electricity phase place by the power of stand-by power supply, judge stand-by power supply whether can with main electricity smooth transition, thus can not to bring greater impact whole electric power system.According to actual needs, Second Threshold also can comprise other indexs such as current value.
Switch control module disconnects main electricity service entrance switch and the stand-by power supply service entrance switch that closes according to switch control rule information.
Concrete, after switch control module receives the switch control rule information from judge module, just directly can disconnect main electricity service entrance switch and the stand-by power supply service entrance switch that closes according to switch control rule information and executing.Thus the switch operating completed timely from main electricity to stand-by power supply, generally speaking, according to the technical scheme of the present embodiment, especially the product that the circuit shown in Fig. 2 manufactures, can complete the switch operating of main electricity to stand-by power supply within 0.8 second, generally speaking so short switching time, the normal work to electric equipment did not have much affect.Simultaneously with reference to the circuit shown in figure 2, its structure is simple, effectively can reduce the volume of equipment, can reach portable effect easily.
Alarm module is connected with switch control module, switch control module disconnect main electricity service entrance switch and close stand-by power supply service entrance switch time send alarm signal.Concrete, switch control module disconnect main electricity service entrance switch and close stand-by power supply service entrance switch time, in order to point out to operating personnel, can send alarm signal by alarm module, alarm signal can be visible light signal, as blinking red lamp, etc., also can be voice signal, as buzzer etc., can also be the mixed signal that light signal and voice signal mix, as sounded a buzzer while blinking red lamp.
The compact power switching device shifter of the present embodiment can complete the switch operating between main electricity and stand-by power supply at short notice.The compact power switching device shifter of the present embodiment is simple and compact for structure, be easy to carry and operate, and cost is lower, has higher practicality, is conducive to large-scale application industrially.
Compact power switching device shifter of the present utility model can complete the switch operating between main electricity and stand-by power supply at short notice.Compact power switching device shifter of the present utility model is simple and compact for structure, be easy to carry and operate, and cost is lower, has higher practicality, is conducive to large-scale application industrially.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.

Claims (3)

1. a compact power switching device shifter, is characterized in that, comprising: power supply monitoring module, judge module and switch control module,
Described power supply monitoring module is connected with described judge module, and described state information to generate state information, and is sent to described judge module by the state of described power supply monitoring module monitors main electricity and stand-by power supply;
Described judge module is connected with described switch control module, described judge module judges the electric power thus supplied of described main electricity according to the described state information received, and generate switch control rule information when described electric power thus supplied meets threshold requirement, and described switch control rule information is sent to described switch control module;
Described switch control module disconnects main electricity service entrance switch and the stand-by power supply service entrance switch that closes according to described switch control rule information;
Described state information comprises the phase information of main electricity and stand-by power supply, and described compact power switching device shifter also comprises Phase synchronization adjuster for disconnecting main electricity service entrance switch and regulating the phase place of stand-by power supply to make the Phase synchronization of itself and main electricity before the stand-by power supply service entrance switch that closes.
2. compact power switching device shifter according to claim 1, it is characterized in that, described electric power thus supplied meets threshold requirement and comprises: the normal and stand-by power supply service entrance switch of main electricity service entrance switch breaking, main electricity inlet wire no current, main electricity inlet wire no-voltage, backup power source voltage is in a point position.
3. compact power switching device shifter according to claim 1, it is characterized in that, described power supply monitoring module comprises voltage sampling element and current sample element, described voltage sampling element detects described main electricity primary voltage and described backup power source voltage, main electricity inlet wire current described in described current sample element testing.
CN201420733301.0U 2014-11-27 2014-11-27 Compact power switching device shifter Expired - Fee Related CN204316172U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420733301.0U CN204316172U (en) 2014-11-27 2014-11-27 Compact power switching device shifter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420733301.0U CN204316172U (en) 2014-11-27 2014-11-27 Compact power switching device shifter

Publications (1)

Publication Number Publication Date
CN204316172U true CN204316172U (en) 2015-05-06

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105281426A (en) * 2015-11-30 2016-01-27 四川英杰电气股份有限公司 Power supply circuit for modified-Siemens-process polycrystalline silicon production device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105281426A (en) * 2015-11-30 2016-01-27 四川英杰电气股份有限公司 Power supply circuit for modified-Siemens-process polycrystalline silicon production device

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150506

Termination date: 20161127