CN202142907U - UPS connecting circuit and UPS system - Google Patents

UPS connecting circuit and UPS system Download PDF

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Publication number
CN202142907U
CN202142907U CN201120244482U CN201120244482U CN202142907U CN 202142907 U CN202142907 U CN 202142907U CN 201120244482 U CN201120244482 U CN 201120244482U CN 201120244482 U CN201120244482 U CN 201120244482U CN 202142907 U CN202142907 U CN 202142907U
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CN
China
Prior art keywords
ups
circuit
line
incoming line
bridge rectifier
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 - Lifetime
Application number
CN201120244482U
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Chinese (zh)
Inventor
吴伟
于建国
雷启龙
武永刚
李高峰
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.)
GUOHUA (HEBEI) NEW ENERGY CO Ltd
GUOHUA ENERGY INVESTMENT CO Ltd
Shenhua Group Corp Ltd
Original Assignee
GUOHUA (HEBEI) NEW ENERGY CO Ltd
GUOHUA ENERGY INVESTMENT CO Ltd
Shenhua Group Corp 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 GUOHUA (HEBEI) NEW ENERGY CO Ltd, GUOHUA ENERGY INVESTMENT CO Ltd, Shenhua Group Corp Ltd filed Critical GUOHUA (HEBEI) NEW ENERGY CO Ltd
Priority to CN201120244482U priority Critical patent/CN202142907U/en
Application granted granted Critical
Publication of CN202142907U publication Critical patent/CN202142907U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

Provided is a UPS connecting circuit and a UPS system, with the UPS connecting circuit comprising a first input line and an outgoing line. The UPS connecting circuit further comprises a second input line, a first input monitoring unit, and a relay K1, wherein the second input line and the first input line, after being connected in parallel, are connected to the outgoing line via the relay K1; the first input line is connected with a normally open contact of the relay K1 while the second input line is connected with a normally closed contact of the relay K1; and the first input monitoring unit is connected between the zero line and the live line of the first input line, with the first input monitoring unit being a monitoring unit used for monitoring and displaying the power-up state of the first input line. A standby UPS is added based on the conventional UPS in the UPS connecting circuit and the UPS system of the utility model. Therefore, when something is wrong with the major UPS, the UPS connecting circuit is automatically switched to the second input line, thereby the standby UPS being used for power supply, thus to achieve reliable power supply of the UPS power supply.

Description

UPS connecting circuit and ups system
Technical field
The utility model relates to a kind of UPS connecting circuit and ups system.
Background technology
UPS (uninterrupted power supply) is the important external equipment that lasting, stable, continual power supply supply can be provided.Break down and when stopping power supply, UPS can provide a period of time alternating current in for example electric power system, make the free deposit of people and normal closing machine etc., with protection equipment or reduce equipment because the loss that power failure causes.
At present, commonly used UPS generally comprises a rectifier, inverter and a group storage battery.In supply line just often, UPS just becomes direct current with alternating current through rectifier rectification in inside, utilizes this direct current that said storage battery is charged then, thus with electrical power storage in storage battery; When stopping power supply in case electrical network breaks down, UPS just passes through storage battery to inverter power supply, thereby from inverter output stable AC electricity, makes the equipment in the electrical network can keep one period operating time.
Yet; In actual use; Ups power might break down, and for example wherein inverter and charging device breaks down, and so then UPS can not the normal storage electric energy or normally exported electric energy; Thereby can not play protective effect, and might make equipment suffer very big loss owing to having a power failure suddenly to equipment in the electrical network.
The utility model content
To the problems referred to above that exist in the prior art, the utility model provides a kind of UPS connecting circuit and ups system, and it has increased an incoming line that is used to insert subsequent use UPS, and when main UPS breaks down, can automatically switch to subsequent use UPS.
The utility model provides a kind of UPS connecting circuit; This UPS connecting circuit comprises first incoming line and outlet line; Wherein, This UPS connecting circuit also comprises second incoming line, the first Input Monitor Connector unit and relay K 1; Said second incoming line be connected to said outlet line through said relay K 1 after said first incoming line is parallelly connected, said first incoming line connects the normally opened contact of said relay K 1, said second incoming line connects the normally-closed contact of said relay K 1; The said first Input Monitor Connector unit is connected between the zero line and live wire of said first incoming line, and this first Input Monitor Connector unit is the monitoring means that is used to monitor and show the "on" position of said first incoming line.
Preferably, this UPS connecting circuit can also comprise resistance R 4, and this resistance R 4 is connected between the zero line and live wire of said first incoming line.
Preferably; The said first Input Monitor Connector unit can comprise the first unidirectional bridge rectifier BD1, capacitor C 1, resistance R 1 and indicator light L1; The said first unidirectional bridge rectifier BD1 is made up of four diodes; The input of the said first unidirectional bridge rectifier BD1 links to each other with live wire with the zero line of said first incoming line, and said electric capacity R1 connects with said indicator light L1 and afterwards is parallel-connected to the output of the said first unidirectional bridge rectifier BD1 with said capacitor C 1.
Preferably, this UPS connecting circuit can also comprise filter unit U1, and said filter unit U1 is connected on the said outlet line.
Preferably; This UPS connecting circuit can also comprise the second Input Monitor Connector unit; The said second Input Monitor Connector unit is connected between the zero line and live wire of said second incoming line, and this second Input Monitor Connector unit is the monitoring means that is used to monitor and show the "on" position of said second incoming line.
Preferably; The said second Input Monitor Connector unit can comprise the second unidirectional bridge rectifier BD2, capacitor C 2, resistance R 2 and indicator light L2; The said second unidirectional bridge rectifier BD2 is made up of four diodes; The input of the said second unidirectional bridge rectifier BD2 links to each other with live wire with the zero line of said second incoming line, and said electric capacity R2 connects with said indicator light L2 and afterwards is parallel-connected to the output of the said second unidirectional bridge rectifier BD2 with said capacitor C 2.
Preferably, this UPS connecting circuit can also comprise the output monitoring means, and said output monitoring means is connected between the zero line and live wire of said outlet line, and this output monitoring means is the monitoring means that is used to monitor and show the "on" position of said outlet line.
Preferably; Said output monitoring means can comprise the 3rd unidirectional bridge rectifier BD3, capacitor C 3, resistance R 3 and indicator light L3; The said the 3rd unidirectional bridge rectifier is made up of four diodes; The input of the said the 3rd unidirectional bridge rectifier BD3 links to each other with live wire with the zero line of said outlet line, and said electric capacity R3 connects with said indicator light L3 and afterwards is parallel-connected to the output of the said the 3rd unidirectional bridge rectifier BD3 with said capacitor C 3.
Preferably, this UPS connecting circuit can also comprise capacitor C 4, and this capacitor C 4 is connected between the zero line and live wire of said outlet line.
The utility model also provides a kind of ups system; This USP system comprises a UPS; Wherein, This ups system also comprises the 2nd UPS and above-mentioned UPS connecting circuit, and a said UPS is connected on said first incoming line in the said UPS connecting circuit, and said the 2nd UPS is connected on said second incoming line in the said UPS connecting circuit.
The UPS connecting circuit and the ups system that utilize the utility model to provide can increase the subsequent use UPS of a cover again on the basis of existing UPS; And main UPS and subsequent use UPS inserted first incoming line and second incoming line respectively, first incoming line inserts electrical network under the normal condition, main UPS power supply; When in case main UPS breaks down; This UPS connecting circuit automatically switches to second incoming line makes second incoming line insert electrical network, thereby drops into power supply by subsequent use UPS, can under the situation of not stopping power supply, carry out on-bne repair or on-line replacing to main UPS device simultaneously; Like this; Can realize the reliable power supply of ups power, the equipment in the electrical network is played a protective role, make equipment owing to the minimization of loss that has a power failure and suffer suddenly.
Other feature and advantage of the utility model will partly specify in embodiment subsequently.
Description of drawings
Accompanying drawing is the further understanding that is used to provide the utility model, and constitutes the part of specification, is used to explain the utility model with following embodiment, but does not constitute the restriction to the utility model.In the accompanying drawings:
Fig. 1 is the schematic circuit diagram according to the UPS connecting circuit of a preferred implementation of the utility model.
Embodiment
Be elaborated below in conjunction with the embodiment of accompanying drawing to the utility model.Should be understood that embodiment described herein only is used for explanation and explains the utility model, is not limited to the utility model.
Fig. 1 is the schematic circuit diagram according to the UPS connecting circuit of a preferred implementation of the utility model.
As shown in Figure 1; The utility model provides a kind of UPS connecting circuit; This UPS connecting circuit comprises first incoming line and outlet line; It is characterized in that this UPS connecting circuit also comprises second incoming line, first Input Monitor Connector unit (100) and the relay K 1, said second incoming line be connected to said outlet line through said relay K 1 after said first incoming line is parallelly connected; Said first incoming line connects the normally opened contact of said relay K 1; Said second incoming line connects the normally-closed contact of said relay K 1, and the said first Input Monitor Connector unit (100) is connected between the zero line and live wire of said first incoming line, and this first Input Monitor Connector unit (100) is for being used to monitor and show the monitoring means of the "on" position of said first incoming line.
Wherein, said first incoming line and second incoming line respectively connect a ups power.Under preferable case, the ups power that can give tacit consent to the access of first incoming line is main UPS (main power source), and the ups power that second incoming line inserts is subsequent use UPS (stand-by power supply).
Said first monitoring means 100 is connected between the zero line and live wire of said first incoming line, is used to monitor and show the "on" position of said first incoming line, for example can indicate the "on" position of first incoming line through modes such as indicator light or display screens.
Said relay K 1 is preferably high power relay, switches thereby can carry out circuit safely and reliably.The normally opened contact of relay K 1 can connect first incoming line, and normally-closed contact connects second incoming line.
Wherein, the UPS that first incoming line inserts is a main power source, and the UPS that second incoming line inserts is a stand-by power supply; When first incoming line and second incoming line were simultaneously charged, the coil of relay K 1 was charged, the normally opened contact adhesive; Normally-closed contact breaks off; Thereby first incoming line is connected, and second incoming line breaks off, and makes main power source pass through first incoming line and supplies power to outlet line; Charged when first incoming line, and second incoming line is not when charged, and the coil of relay K 1 is charged; The normally opened contact adhesive, normally-closed contact breaks off, thus first incoming line is connected; Second incoming line breaks off, and makes main power source pass through first incoming line and supplies power to outlet line; Not charged when first incoming line, and second incoming line is when charged, and the coil of relay K 1 is not charged; Normally opened contact breaks off, the normally-closed contact adhesive, thus second incoming line is connected; First incoming line breaks off, and makes stand-by power supply pass through second outlet line and supplies power to outlet line.
Like this, utilize this UPS connecting circuit, can on the basis of existing UPS, increase the subsequent use UPS of a cover again, and main UPS and subsequent use UPS are inserted first incoming line and second incoming line respectively.Under normal circumstances first incoming line inserts electrical network; Main UPS power supply is in case when main power source broke down, relay K 1 automatically switches to second incoming line made second incoming line insert electrical network; Thereby drop into power supply by subsequent use UPS; And then can under the situation of not stopping power supply, carry out on-bne repair or on-line replacing to the main power source device, and and when restarting to supply power after the main power source reparation, relay K 1 first incoming line that automaticallyes switch back again; Make the incoming line of winning insert electrical network, supply power by main power source again.
When main power source breaks down; In order to reduce the time that relay K 1 switches to second incoming line; Can between the zero line of first incoming line and live wire, insert resistance R 4, being used for consuming fast the coil electric energy stored of relay K 1, thereby reduce the switching time of relay K 1.
Under a kind of preferable case; The said first Input Monitor Connector unit 100 can comprise the first unidirectional bridge rectifier BD1, capacitor C 1, resistance R 1 and indicator light L1; The said first unidirectional bridge rectifier BD1 is made up of four diodes; The input of the said first unidirectional bridge rectifier BD1 links to each other with live wire with the zero line of said first incoming line, and said electric capacity R1 connects with said indicator light L1 and afterwards is parallel-connected to the output of the said first unidirectional bridge rectifier BD1 with said capacitor C 1.
When in first incoming line when charged; Alternating current is through becoming direct current output behind the said first unidirectional bridge rectifier BD1; Indicator light L1 is lighted to the indicator light L1 of the output that is connected to first unidirectional bridge rectifier BD1 power supply; And when in first incoming line when not charged, indicator light L1 does not light, thereby can monitor and indicate the "on" position of first incoming line.
Disturb in order to suppress and to prevent; Preferably, this UPS connecting circuit can also comprise filter unit U1, and said filter unit U1 is connected on the said outlet line; Being used for, thereby obtain reliable and stable out-put supply signal with input power supply signal specific audio range frequency filtering.This filter unit U1 can be filter.
A preferred implementation according to the utility model; This UPS connecting circuit can also comprise the second Input Monitor Connector unit 200; The said second Input Monitor Connector unit 200 is connected between the zero line and live wire of said second incoming line; Be used to monitor and show the "on" position of said second incoming line, for example can indicate the "on" position of second incoming line through modes such as indicator light or display screens.
Under a kind of preferable case; The said second Input Monitor Connector unit 200 can comprise the second unidirectional bridge rectifier BD2, capacitor C 2, resistance R 2 and indicator light L2; The said second unidirectional bridge rectifier BD2 is made up of four diodes; The input of the said second unidirectional bridge rectifier BD2 links to each other with live wire with the zero line of said second incoming line, and said electric capacity R2 connects with said indicator light L2 and afterwards is parallel-connected to the output of the said second unidirectional bridge rectifier BD2 with said capacitor C 2.
When in second incoming line when charged; Alternating current is through becoming direct current output behind the said second unidirectional bridge rectifier BD2; Indicator light L2 is lighted to the indicator light L2 of the output that is connected to second unidirectional bridge rectifier BD2 power supply; And when in second incoming line when not charged, indicator light L2 does not light, thereby can monitor and indicate the "on" position in second incoming line.
A preferred implementation according to the utility model; This UPS connecting circuit can also comprise output monitoring means 300; Said output monitoring means 300 is connected between the zero line and live wire of said outlet line; Be used to monitor and show the "on" position of said outlet line, for example can indicate the "on" position of outlet line through modes such as indicator light or display screens.
Under a kind of preferable case; Said output monitoring means 300 comprises the 3rd unidirectional bridge rectifier BD3, capacitor C 3, resistance R 3 and indicator light L3; The said the 3rd unidirectional bridge rectifier BD3 is made up of four diodes; The input of the said the 3rd unidirectional bridge rectifier BD3 links to each other with live wire with the zero line of said output the 3rd incoming line, and said electric capacity R3 connects with said indicator light L3 and afterwards is parallel-connected to the output of the said the 3rd unidirectional bridge rectifier BD3 with said capacitor C 3.
When in the outlet line when charged; Alternating current is through becoming direct current output behind the said the 3rd unidirectional bridge rectifier BD3; Indicator light L3 is lighted to the indicator light L3 of the output that is connected to the 3rd unidirectional bridge rectifier BD3 power supply; And when in the outlet line when not charged, indicator light L3 does not light, thereby can indicate the "on" position in the outlet line.
Preferably; This UPS connecting circuit can also comprise capacitor C 4, and this capacitor C 4 is connected between the zero line and live wire of said outlet line, under the situation with filter unit U1; This capacitor C 4 can be installed in after the filter unit U1; To be used for when switch unit 400 carries out handover operation, can discharging electric energy apace, guarantee that the nothing of circuit is intermittently switched.
Further preferably; This UPS connecting circuit can also comprise fuse F1, and this fuse F1 is connected on the live wire of said outlet line, when the electric current in the outlet line is excessive; This blown fuse to be switching output circuit, thereby makes entire circuit be protected.
The utility model also provides a kind of ups system; This USP system comprises a UPS; Wherein, This ups system also comprises the 2nd UPS and above-mentioned UPS connecting circuit, and a said UPS is connected on said first incoming line in the said UPS connecting circuit, and said the 2nd UPS is connected on said second incoming line in the said UPS connecting circuit.
The UPS connecting circuit and the ups system that utilize the utility model to provide can increase the subsequent use UPS of a cover again on the basis of existing UPS; And main UPS and subsequent use UPS inserted first incoming line and second incoming line respectively, first incoming line inserts electrical network under the normal condition, main UPS power supply; When in case main UPS breaks down; This UPS connecting circuit automatically switches to second incoming line makes second incoming line insert electrical network, thereby drops into power supply by subsequent use UPS, can under the situation of not stopping power supply, carry out on-bne repair or on-line replacing to main UPS device simultaneously; Like this; Can realize the reliable power supply of ups power, the equipment in the electrical network is played a protective role, make equipment owing to the minimization of loss that has a power failure and suffer suddenly.
More than combine accompanying drawing to describe the preferred implementation of the utility model in detail; But; The utility model is not limited to the detail in the above-mentioned execution mode; In the technical conceive scope of the utility model, can carry out multiple simple variant to the technical scheme of the utility model, these simple variant all belong to the protection range of the utility model.
Need to prove in addition; Each concrete technical characterictic described in above-mentioned embodiment under reconcilable situation, can make up through any suitable manner; For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out combination in any between the various execution mode of the utility model, as long as its thought without prejudice to the utility model, it should be regarded as content disclosed in the utility model equally.

Claims (10)

1. UPS connecting circuit; This UPS connecting circuit comprises first incoming line and outlet line; It is characterized in that; This UPS connecting circuit also comprises second incoming line, first Input Monitor Connector unit (100) and the relay K 1; Said second incoming line be connected to said outlet line through said relay K 1 after said first incoming line is parallelly connected, said first incoming line connects the normally opened contact of said relay K 1, said second incoming line connects the normally-closed contact of said relay K 1; The said first Input Monitor Connector unit (100) is connected between the zero line and live wire of said first incoming line, and this first Input Monitor Connector unit (100) is for being used to monitor and show the monitoring means of the "on" position of said first incoming line.
2. UPS connecting circuit according to claim 1 is characterized in that, this UPS connecting circuit also comprises resistance R 4, and this resistance R 4 is connected between the zero line and live wire of said first incoming line.
3. UPS connecting circuit according to claim 1; It is characterized in that; The said first Input Monitor Connector unit (100) comprises the first unidirectional bridge rectifier BD1, capacitor C 1, resistance R 1 and indicator light L1; The said first unidirectional bridge rectifier BD1 is made up of four diodes; The input of the said first unidirectional bridge rectifier BD1 links to each other with live wire with the zero line of said first incoming line, and said electric capacity R1 connects with said indicator light L1 and afterwards is parallel-connected to the output of the said first unidirectional bridge rectifier BD1 with said capacitor C 1.
4. UPS connecting circuit according to claim 1 is characterized in that, this UPS connecting circuit also comprises filter unit U1, and said filter unit U1 is connected on the said outlet line.
5. UPS connecting circuit according to claim 1; It is characterized in that; This UPS connecting circuit also comprises the second Input Monitor Connector unit (200); The said second Input Monitor Connector unit (200) is connected between the zero line and live wire of said second incoming line, and this second Input Monitor Connector unit (200) is for being used to monitor and show the monitoring means of the "on" position of said second incoming line.
6. UPS connecting circuit according to claim 5; It is characterized in that; The said second Input Monitor Connector unit (200) comprises the second unidirectional bridge rectifier BD2, capacitor C 2, resistance R 2 and indicator light L2; The said second unidirectional bridge rectifier BD2 is made up of four diodes; The input of the said second unidirectional bridge rectifier BD2 links to each other with live wire with the zero line of said second incoming line, and said electric capacity R2 connects with said indicator light L2 and afterwards is parallel-connected to the output of the said second unidirectional bridge rectifier BD2 with said capacitor C 2.
7. UPS connecting circuit according to claim 1; It is characterized in that; This UPS connecting circuit also comprises output monitoring means (300); Said output monitoring means (300) is connected between the zero line and live wire of said outlet line, and this output monitoring means (300) is for being used to monitor and show the monitoring means of the "on" position of said outlet line.
8. UPS connecting circuit according to claim 7; It is characterized in that; Said output monitoring means (300) comprises the 3rd unidirectional bridge rectifier BD3, capacitor C 3, resistance R 3 and indicator light L3; The said the 3rd unidirectional bridge rectifier is made up of four diodes; The input of the said the 3rd unidirectional bridge rectifier BD3 links to each other with live wire with the zero line of said outlet line, and said electric capacity R3 connects with said indicator light L3 and afterwards is parallel-connected to the output of the said the 3rd unidirectional bridge rectifier BD3 with said capacitor C 3.
9. UPS connecting circuit according to claim 1 is characterized in that, this UPS connecting circuit also comprises capacitor C 4, and this capacitor C 4 is connected between the zero line and live wire of said outlet line.
10. ups system; This USP system comprises a UPS; It is characterized in that; This ups system also comprises the described UPS connecting circuit of each claim among the 2nd UPS and the claim 1-9, and a said UPS is connected on said first incoming line in the said UPS connecting circuit, and said the 2nd UPS is connected on said second incoming line in the said UPS connecting circuit.
CN201120244482U 2011-07-12 2011-07-12 UPS connecting circuit and UPS system Expired - Lifetime CN202142907U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120244482U CN202142907U (en) 2011-07-12 2011-07-12 UPS connecting circuit and UPS system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120244482U CN202142907U (en) 2011-07-12 2011-07-12 UPS connecting circuit and UPS system

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CN202142907U true CN202142907U (en) 2012-02-08

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Application Number Title Priority Date Filing Date
CN201120244482U Expired - Lifetime CN202142907U (en) 2011-07-12 2011-07-12 UPS connecting circuit and UPS system

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103513085A (en) * 2013-09-29 2014-01-15 国家电网公司 Current transformer capable of switching transformation ratios for metering off-grid energy of wind power plants
CN107395088A (en) * 2017-07-01 2017-11-24 合肥东玖电气有限公司 A kind of two-direction switch alarm display control device
CN108927804A (en) * 2018-07-25 2018-12-04 中科新松有限公司 Compound robot control system and robot

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103513085A (en) * 2013-09-29 2014-01-15 国家电网公司 Current transformer capable of switching transformation ratios for metering off-grid energy of wind power plants
CN103513085B (en) * 2013-09-29 2016-02-10 国家电网公司 The changeable transformation ratio current transformer of the off line electric quantity metering of wind energy turbine set
CN107395088A (en) * 2017-07-01 2017-11-24 合肥东玖电气有限公司 A kind of two-direction switch alarm display control device
CN108927804A (en) * 2018-07-25 2018-12-04 中科新松有限公司 Compound robot control system and robot

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Granted publication date: 20120208

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