CN200994080Y - Fast dual-power switcher - Google Patents

Fast dual-power switcher Download PDF

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Publication number
CN200994080Y
CN200994080Y CN 200620168623 CN200620168623U CN200994080Y CN 200994080 Y CN200994080 Y CN 200994080Y CN 200620168623 CN200620168623 CN 200620168623 CN 200620168623 U CN200620168623 U CN 200620168623U CN 200994080 Y CN200994080 Y CN 200994080Y
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China
Prior art keywords
contact
power
switch
control board
contact switches
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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 - Lifetime
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CN 200620168623
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Chinese (zh)
Inventor
孙毅彪
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GUOBIAO POWER SUPPLY GROUP CO Ltd
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Individual
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Priority to CN 200620168623 priority Critical patent/CN200994080Y/en
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Publication of CN200994080Y publication Critical patent/CN200994080Y/en
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Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a rapid switcher with double power supplies, and belongs to the electric and electronic field. The utility model also refers to a contact-type double-power mutual-input device and an AC non-contact switch. Contact switches C1 and C2 of the contact-type double-power mutual-input device are connected in parallel with non-contact switches K1 and K2 separately. A parallel circuit is connected with the output power supply, while the contact switches and the non-contact switches are communicated with the control board, and the control board is also connected with a power supply monitoring instrument. The utility model is simple in structure. Because the contact switches are connected in parallel with the non-contact switches, the long-term electrifying work is undertaken by the contact switches C1 and C2 without the need of heat dissipation. A rapid switching process is realized by the non-contact switches K1 and K2, and assisted by the power supply monitoring instrument and the control board. The process achieves uninterrupted switching between the double power supplies (similar to seamless switching), and avoids the problem that the power electronic device produces high temperature and hyperthermia during work in line. The utility model has the advantages of a reduced investment, system simplification, and environment friendliness.

Description

Quick duplicate supply switch
Technical field:
The utility model relates to field of power electronics, and particularly duplicate supply is thrown device mutually.
Background technology:
At present, widely used duplicate supply is thrown device (being referred to as " ATS " in the industry) or action combines that (CB level contact is the air switch main contacts to the finished product device of finishing power supply switching function by mechanical chain and electric contact mutually on the domestic and international market, the PC level is A.C. contactor class contact), or the switching device shifter of forming by chain control by A.C. contactor, the two is similar.Shown in " Fig. 1 ", ATS in work input two-way power supply, two contacts always are in the state that " break " " lead to " one, determine the state (work or standby) of power supply by contact C1 or C2 " leading to " state that " breaks ".The power supply that joins with " leading to " attitude contact is a working power, the power supply that joins with " breaking " attitude contact is a stand-by power supply, it " leads to " the attitude contact and can transfer " breaking " attitude automatically to when working power has a power failure for some reason, and can transfer " leading to " attitude to by " breaking " attitude automatically, thereby finish devoting oneself to work automatically of stand-by power supply with contact that stand-by power supply joins.But there is long deficiency change-over time, be generally 0.5-5S (being 500-5000MS), be that stand-by power supply needed the time of 0.5-5S could replace the work of working power after working power had a power failure, thereby make power consumption equipment the gap of instantaneous power failure in the time period of 0.5-5S, occur.For common power consumption equipment, Duan power failure gap is an acceptable like this, and for the on-line monitoring kind equipment or " IT " communication class equipment already in computer equipment, fire fighting monitoring kind equipment, intelligent building field, then be unacceptable, because these equipment do not allow to surpass 15MS (individual device does not allow to surpass 20MS) for a some gap, otherwise will cause equipment to restart or quit work.All be before power consumption equipment, to increase the UPS (uninterrupted power supply) that joins online work at this not enough measure of adopting at present, guarantee in the duplicate supply handoff procedure, power consumption equipment not to be produced the power supply gap, not only equipment investment is big, also wasted power-efficient (UPS work online efficient only be about 83%), and electrical network is produced certain pollution (the inversion link produces high order harmonic component and non-sine amount), the wasted power of while UPS will be converted into heat and distribute in rack, cause disaster hidden-trouble easily.
Once had data to introduce a kind of " seamless switching " device in the world, promptly the two-way power supply realizes that zero MS switches, " 0 " conversion equipment just, and domestic also once had similar products, promotes the use of but fail.Reason is that this device is C1 and the C2 switch that utilizes in two contactless electronic power switch devices or the module replacement ATS device, as shown in Figure 2, though utilize the fast reaction characteristic of two contactless power electronic device to solve the problem of quick conversion, but power electronic device works online for a long time, produce a large amount of heat in the switching process, the cooling of switching device and heat extraction become insoluble problem, there is disaster hidden-trouble, so that cause the equipment cause thermal damage, and heat elimination and cooling makes the equipment volume multiplication, and cost improves greatly.Thereby this device is not suitable in the general circuit, only just is used under unavoidable situation, limited its development and application.
Summary of the invention:
The purpose of this utility model is promptly to overcome above-mentioned not enough problem, and a kind of quick duplicate supply switch is provided, and is simple in structure, and can finish quick conversion again must cooling, and volume is little, cost is low.
The technical scheme that the utility model is adopted for achieving the above object is: quick duplicate supply switch, relate to the contact duplicate supply and throw device and AC contact-less switch mutually, the contact duplicate supply is thrown contact switch C1 and the C2 difference noncontacting switch K1 in parallel and the K2 of device mutually, connect with out-put supply in the shunt circuit, contact switch and noncontacting switch all are connected with control board, also are connected with the power monitoring instrument on the control board.
The power monitoring instrument that connects on the described control board comprises input power monitoring instrument and out-put supply supervisory instrument, adopts voltage changer, voltage transformer or power pack.
Described AC contact-less switch K1, K2 are silicon controlled module or IGBT module or IPM module class power electronic device (comprising GTR.GTO.P-MOSFET.IGCT etc.).
Described control board adopts PLC, single-chip microcomputer, industrial computer or General Logic control circuit.
The utility model has significant effect compared with similar products: simple in structure, with contact switch in parallel noncontacting switch, long-term energising work is by contact switch C1 or C2 burden, need not heat radiation, switch fast then and realize by K1 or K2, assist to carry out by power monitoring instrument and control board, promptly realized the uninterrupted conversion (being similar to seamless switching) of duplicate supply, the high hot difficult problem of the high temperature of having avoided power electronic device to produce again because of working online.Under the prerequisite of avoiding the high heat of high temperature, realize the uninterrupted conversion of duplicate supply, save the uninterrupted power supply (ups) Unity of power consumption equipment terminal with making the very reliable electric power system of duplicate supply, promptly saved equipment investment, simplified system, waste of having avoided UPS equipment to work online for a long time again being caused and the high hot hidden danger of being brought, simultaneously also reduced the electric network pollution that online inversion brought, put into practice that proving effect is splendid.
Description of drawings:
Fig. 1 throws device circuit figure mutually for existing contact duplicate supply.
Fig. 2 throws device circuit figure mutually for existing contactless duplicate supply.
Fig. 3 is a circuit diagram of the present utility model.
Embodiment:
Quick duplicate supply switch as shown in Figure 3, relate to the contact duplicate supply and throw device and AC contact-less switch mutually, the contact duplicate supply is thrown contact switch C1 and the C2 difference noncontacting switch K1 in parallel and the K2 of device mutually, AC contact-less switch K1, K2 can adopt silicon controlled module or IGBT module or IPM module class power electronic device (comprising IGCT.GTR.GTO.P-OSFET etc.), connect with out-put supply as total output in the shunt circuit, contact switch and noncontacting switch all are connected with control board PC, control board adopts PLC, single-chip microcomputer, industrial computer or General Logic control circuit all can, two-way input power supply place is connected with input power monitoring instrument A1 and A2 on the control board, the out-put supply place is connected with out-put supply supervisory instrument A3, A1, A2 and A3 can adopt voltage changer, voltage transformer or power pack.
During application, when two-way input power supply has active and standby timesharing two channel setting of quick duplicate supply switch can be become active and standby automatic recovery type working method, promptly export main power source at ordinary times, undesired or the output stand-by power supply automatically when disappearing when main power source, and deactivate automatically when main power source recovers just often stand-by power supply; When two-way input power supply is the timesharing of taking second place of urban network electricity source and dereliction, two channel setting of quick duplicate supply switch can be become be regardless of the working method of primary and secondary, promptly after stand-by power supply is taken over job power supply, the state of can when working power is recovered, not deactivating automatically.With 1# power work 2# power backup is example explanation transfer process: the C1 contact is in " leading to " attitude and C2 is in " breaking " attitude under the normal condition, AC contact-less switch K1 and K2 all are in the off state of equipment conducting, no current passes through, and what output obtained is the 1# power supply.When the 1# power failure, control board PC triggers noncontacting switch K2 rapidly according to the power cut signal of input power monitoring instrument A1 or the cut-off signal of C1, K2 C1 just to disconnect and C2 also still the moment of access failure (1-10MS) enters conducting state, moment is finished taking over job to electric, (500-5000MS) K2 was by (being slightly larger than the time that the C2 connects) automatic cut-off of given time when C2 transferred " leading to " attitude to by " breaking " attitude by the time, and the work of long-term energising is born by C2.Otherwise, if the 2# power supply is a working power and the 1# power supply is a stand-by power supply, then when working power has a power failure, behind the power cut signal of acquisition input power monitoring instrument A2, enter conducting state at K1 under the control of control board PC prior to C1, the assurance stand-by power supply is taken over powered operation in 1-10MS, K1 deactivates (ending) on schedule when waiting C1 to transfer " leading to " attitude to by " breaking " attitude.Out-put supply measuring instrument A3 also monitors load short circuits in addition, the anti-short circuit conversion of output is also finished according to the signal of A3 by PC, if promptly working power is because of output short circuit breaking, PC can limit the automatic input function of stand-by power supply according to the short circuit reflection of monitoring device A3, thereby prevents from stand-by power supply is put on the malfunction output circuit.

Claims (4)

1, quick duplicate supply switch, relate to the contact duplicate supply and throw device and AC contact-less switch mutually, it is characterized in that: the contact duplicate supply is thrown the contact switch (C1) of device and (C2) noncontacting switch in parallel (K1) and (K2) respectively mutually, connect with out-put supply in the shunt circuit, contact switch and noncontacting switch all are connected with control board (PC), also are connected with the power monitoring instrument on the control board.
2, quick duplicate supply switch according to claim 1, it is characterized in that: the power monitoring instrument that connects on the control board comprises input power monitoring instrument (A1, A2) and out-put supply supervisory instrument (A3), adopts voltage changer, voltage transformer or power pack.
3, quick duplicate supply switch according to claim 1 and 2 is characterized in that: AC contact-less switch (K1, K2) is silicon controlled module, IGBT or IGCT module, IPM module class power electronic device.
4, quick duplicate supply switch according to claim 1 and 2 is characterized in that: control board (PC) adopts PLC, single-chip microcomputer, industrial computer or General Logic control circuit.
CN 200620168623 2006-12-25 2006-12-25 Fast dual-power switcher Expired - Lifetime CN200994080Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620168623 CN200994080Y (en) 2006-12-25 2006-12-25 Fast dual-power switcher

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Application Number Priority Date Filing Date Title
CN 200620168623 CN200994080Y (en) 2006-12-25 2006-12-25 Fast dual-power switcher

Publications (1)

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CN200994080Y true CN200994080Y (en) 2007-12-19

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102095907A (en) * 2010-12-14 2011-06-15 广东雅达电子股份有限公司 Electric energy meter capable of automatically switching different power supplies
CN105553081A (en) * 2016-03-02 2016-05-04 宁夏凯晨电气集团有限公司 Dual-power-supply rapid switching method and apparatus through silicon controlled rectifier
CN111987789A (en) * 2020-07-31 2020-11-24 国网福建省电力有限公司 Seamless ATS switch and control method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102095907A (en) * 2010-12-14 2011-06-15 广东雅达电子股份有限公司 Electric energy meter capable of automatically switching different power supplies
CN105553081A (en) * 2016-03-02 2016-05-04 宁夏凯晨电气集团有限公司 Dual-power-supply rapid switching method and apparatus through silicon controlled rectifier
CN105553081B (en) * 2016-03-02 2018-04-10 宁夏凯晨电气集团有限公司 Controllable silicon dual power supply fast switch over method and device
CN111987789A (en) * 2020-07-31 2020-11-24 国网福建省电力有限公司 Seamless ATS switch and control method thereof
CN111987789B (en) * 2020-07-31 2022-11-08 国网福建省电力有限公司 Control method of seamless ATS switch

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: DALIAN GUOBIAO EMERGENCY POWER SUPPLY GROUP CO.,

Free format text: FORMER OWNER: SUN YIBIAO

Effective date: 20080201

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20080201

Address after: Lazishan village xinzhaizi Town, Ganjingzi District, Dalian City, Liaoning province zip code: 116039

Patentee after: Dalian state tiger emergency power supply Group Co., Ltd.

Address before: Zip xinzhaizi rainbow Development Zone, Ganjingzi District of Dalian city in Liaoning Province: 116039

Patentee before: Sun Yibiao

C56 Change in the name or address of the patentee

Owner name: GUOBIAO POWER SUPPLY GROUP CO., LTD.

Free format text: FORMER NAME: DALIAN GUOBIAO EMERGENCY POWER SUPPLY GROUP CO., LTD.

CP03 Change of name, title or address

Address after: Xinzhaizi rainbow Development Zone of Ganjingzi District of Dalian City, Liaoning province 116039

Patentee after: guobiao power supply group Co., Ltd

Address before: Lazishan village xinzhaizi town in Ganjingzi District of Dalian City, Liaoning province 116039

Patentee before: Dalian state tiger emergency power supply Group Co., Ltd.

CX01 Expiry of patent term

Granted publication date: 20071219

EXPY Termination of patent right or utility model