CN201877879U - Dual-power supply device for large-scale control system - Google Patents
Dual-power supply device for large-scale control system Download PDFInfo
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- CN201877879U CN201877879U CN2010206771518U CN201020677151U CN201877879U CN 201877879 U CN201877879 U CN 201877879U CN 2010206771518 U CN2010206771518 U CN 2010206771518U CN 201020677151 U CN201020677151 U CN 201020677151U CN 201877879 U CN201877879 U CN 201877879U
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Abstract
The utility model discloses a dual-power supply device for a large-scale control system. A circuit of a main power supply device adopts the technical scheme that a lightning protection system (3) is connected with a power switching device PAS (5) through a UPS (uninterruptible power supply) (1) with a battery pack (4), and the power switching device PAS (5) is connected with a main power supply circuit of electrical equipment; a circuit of a secondary power supply device adopts the technical scheme that the lightning protection system (3) is connected with the power switching device PAS (5) through a voltage transforming and stabilizing system (2) comprising a transformer and a voltage regulator, and the power switching device PAS (5) is connected with a secondary power supply circuit of the electrical equipment; the main power supply device and the secondary power supply device are communicated or disconnected through the power switching device PAS (5). When one power supply system fails, the other power supply system can be ensured to normally supply power to the control system, so that the dual-power supply device is very simple to operate, reduces the human and material resources, saves the labor cost, improves the working efficiency and greatly reduces the safety accidents.
Description
Technical field
The utility model relates to a kind of large-scale control system electric supply installation.
Background technology
Development along with suitability for industrialized production, various large-scale control systems are widely used, can stablize healthy operation for guaranteeing control system, prevent to cause loss of data because of power failure, just must provide uninterrupted power supply to supply with to control system, conventional uninterrupted power supply always has such-and-such defective, make The whole control system healthyly fully not move, according to design experiences and field practice for many years, distributing rationally of a kind of duplicate supply uninterrupted power supply of utility model, from the result of use at scene, be worth greatly developing and promoting.
Traditional large-scale control system electric power system as shown in Figure 1, the electric 380VAC power supply of sending here is earlier by fuse F1 and F2 (F1 and F2 are in parallel), by inserting lightning protection device behind the F2, by inserting master switch DK1 behind the F1, insert uninterrupted power supply UPS then, the three-phase voltage transducer SW1 that inserts in parallel between DK1 and UPS, (in three-phase (the A1 phase among the figure of 380VAC, the B1 phase, the C1 phase) inserts electric pressure converter SW1 respectively, the termination that goes out of SW1 is gone into voltmeter V1, and purpose is to detect whether voltage between phases is 220VAC).UPS is two sections outlets, one section is inserted battery pack, fuse F3 of string on the L line of battery pack, shunt voltage Table V 3 on L line and the N line, another section outlet series connection inserts ammeter A1 and the voltmeter V2 that inserts in parallel, insert double-pole cut-out DK2 then, DK2 comes out, and ((n represents several circuit breakers to S101 ~ S1nn to the direct access power supply in back circuit breaker, the capacity of circuit breaker is the rated capacity of each power supply unit)), a S101 ~ S1nn signal lamp (HL101 ~ HL1nn) that connects respectively, signal lamp is installed on the power supply machine cabinet panel, and S101 ~ S1nn is the power supply circuit breaker of each power consumption equipment of control system.
Traditional control system powering mode can only provide one road power supply to the control system power consumption equipment, and any one equipment in electric power system breaks down, and all can't guarantee the control system continuous firing, causes the control system loss of data, thereby influence is produced.
At the defective of traditional control system powering mode, utility model goes out a kind of novel control system powering mode.
Summary of the invention
Technical problem to be solved in the utility model is, a kind of large-scale control system dual power supply device is provided, this device is except providing power supply to control system, can also prevent that thunder and lightning from destroying electric power system and control system, break down to overcome any one equipment in electric power system that prior art exists, all can't guarantee the control system continuous firing, cause the control system loss of data, thus deficiencies such as influence production.
The technical solution adopted in the utility model is as follows: it comprises uninterrupted power supply UPS, lightning-protection system and battery pack, the circuit of main power source electric supply installation is the uninterrupted power supply UPS connection power transfer device PAS of lightning-protection system by the charged pool group, and power transfer device PAS connects the main power source circuit of power consumption equipment; The circuit of auxiliary power electric supply installation is that lightning-protection system is connected power transfer device PAS by the transformation voltage-stabilizing system that comprises transformer and pressurizer, and power transfer device PAS connects the auxiliary power circuit of power consumption equipment; The main power source electric supply installation is communicated with by power transfer device PAS with the auxiliary power electric supply installation or disconnects.
The circuit of main power source electric supply installation is: supply line inserts lightning protection device by fuse F2, by inserting master switch DK1 behind the F1, insert uninterrupted power supply UPS then, the three-phase voltage transducer SW1 that inserts in parallel between DK1 and UPS, the termination that goes out of SW1 is gone into voltmeter V1, UPS is two sections outlets, one section is inserted battery pack, fuse F3 of string on the L line of battery pack, shunt voltage Table V 3 on L line and the N line, another section outlet is connected and is inserted ammeter A1 and the voltmeter V2 that inserts in parallel, inserts double-pole cut-out DK2 then, inserts automatic power switch PAS after DK2 comes out; The circuit of auxiliary power electric supply installation is: supply line inserts lightning protection device by fuse F4, insert master switch DK3 by F5, master switch DK3 connects the transformation voltage-stabilizing system, the three-phase voltage transducer SW2 that inserts in parallel between master switch DK3 and transformer, the termination that goes out of three-phase voltage transducer SW2 is gone into voltmeter V5; Pressurizer outlet series connection inserts ammeter A2 and the voltmeter V4 that inserts in parallel, and inserts double-pole cut-out DK4, and double-pole cut-out DK4 connects power transfer device PAS.
The utility model can make the duplex feeding system can switch (switching time is less than 30 milliseconds) mutually, when one tunnel electric power system wherein breaks down, can both guarantee that other one the tunnel can normally power to control system, thereby reduce power supply trouble, protect the positive control system to greatest extent and can normally move.
Description of drawings:
Fig. 1 is traditional control system power supply the principle figure;
Fig. 2 is main power source power supply the principle figure of the present utility model;
Fig. 3 is auxiliary power power supply the principle figure of the present utility model.
Embodiment
Embodiment of the present utility model: the utility model is integrated into an electric power system, comprise uninterrupted power supply UPS1, isolation transformation voltage-stabilizing system 2, lightning-protection system 3, battery pack 4, power transfer device PAS5 are installed, the circuit of main power source electric supply installation is the uninterrupted power supply UPS1 connection power transfer device PAS5 of lightning-protection system 3 by charged pool group 4, and power transfer device PAS5 connects the main power source circuit of power consumption equipment; The circuit of auxiliary power electric supply installation is that lightning-protection system 3 is connected power transfer device PAS5 by the transformation voltage-stabilizing system 2 that comprises transformer and pressurizer, and power transfer device PAS5 connects the auxiliary power circuit of power consumption equipment; The main power source electric supply installation is communicated with by power transfer device PAS5 with the auxiliary power electric supply installation or disconnects.
Come two-way 380VAC power supply from electric, existing each road power configuration be described:
One the road earlier by fuse F1 and F2 (F1 and F2 are in parallel), by inserting lightning protection device 3 behind the F2, by inserting master switch DK1 behind the F1, insert uninterrupted power supply UPS1 then, the three-phase voltage transducer SW1 that inserts in parallel between DK1 and UPS1 is (in three-phase (the A1 phase among the figure of 380VAC, the B1 phase, the C1 phase) insert electric pressure converter SW1 respectively, the termination that goes out of SW1 is gone into voltmeter V1, and purpose is to detect whether voltage between phases is 220VAC).Uninterrupted power supply UPS1 is two sections outlets, one section is inserted battery pack 4, fuse F3 of string on the L line of battery pack 4, shunt voltage Table V 3 on L line and the N line, another section outlet series connection inserts ammeter A1 and the voltmeter V2 that inserts in parallel, insert double-pole cut-out DK2 then, after coming out, DK2 inserts power transfer device PAS5, power transfer device PAS5 goes out line parallel and inserts some power supply circuit breakers ((n represents several circuit breakers to S101 ~ S1nn, the capacity of circuit breaker is the rated capacity of each power supply unit)), a S101 ~ S1nn signal lamp (HL101 ~ HL1nn) that connects respectively, signal lamp is installed on the power supply machine cabinet panel, S101 ~ S1nn is the main power supply circuit breaker of each power consumption equipment of control system, as shown in Figure 2.
Another road is earlier by fuse F4 and F5 (F4 and F5 are in parallel), by inserting lightning protection device 3 behind the F4, by inserting master switch DK3 behind the F5, insert transformer TF then, after coming out, transformer inserts pressurizer VS again, the three-phase voltage transducer SW2 that inserts in parallel between DK3 and transformer TF, (three-phase (A1 phase among the figure, B1 phase, C1 phase) at 380VAC inserts electric pressure converter SW2 respectively, the termination that goes out of SW2 is gone into voltmeter V5, and purpose is to detect whether voltage between phases is 220VAC).Pressurizer VS outlet series connection inserts ammeter A2 and the voltmeter V4 that inserts in parallel, insert double-pole cut-out DK4 then, after DK4 comes out, insert power transfer device PAS5, power transfer device PAS5 goes out the some power supply circuit breakers of line parallel, and ((n represents several circuit breakers to S201 ~ S2nn, the capacity of circuit breaker is the rated capacity of each power supply unit)), a S201 ~ S2nn signal lamp (HL201 ~ HL2nn) that connects respectively, signal lamp is installed on the power supply machine cabinet panel, S201 ~ S2nn is the pair power supply circuit breaker of each power consumption equipment of control system, as shown in Figure 3.
Claims (2)
1. large-scale control system dual power supply device, it comprises uninterrupted power supply UPS(1), lightning-protection system (3) and battery pack (4), it is characterized in that: the circuit of main power source electric supply installation is the uninterrupted power supply UPS(1 of lightning-protection system (3) by charged pool group (4)) connect power transfer device PAS(5), power transfer device PAS(5) connect the main power source circuit of power consumption equipment; The circuit of auxiliary power electric supply installation is that lightning-protection system (3) is connected power transfer device PAS(5 by the transformation voltage-stabilizing system (2) that comprises transformer and pressurizer), power transfer device PAS(5) connect the auxiliary power circuit of power consumption equipment; Main power source electric supply installation and auxiliary power electric supply installation are by power transfer device PAS(5) be communicated with or disconnect.
2. large-scale control system dual power supply device according to claim 1, it is characterized in that: the circuit of main power source electric supply installation is: supply line inserts lightning protection device (3) by fuse F2, by inserting master switch DK1 behind the F1, insert uninterrupted power supply UPS(1 then), at DK1 and UPS(1) between the three-phase voltage transducer SW1 that inserts in parallel, the termination that goes out of SW1 is gone into voltmeter V1, UPS(1) be two sections outlets, one section is inserted battery pack (4), fuse F3 of string on the L line of battery pack, shunt voltage Table V 3 on L line and the N line, another section outlet series connection inserts ammeter A1 and the voltmeter V2 that inserts in parallel, insert double-pole cut-out DK2 then, insert automatic power switch PAS (5) after DK2 comes out; The circuit of auxiliary power electric supply installation is: supply line inserts lightning protection device (3) by fuse F4, insert master switch DK3 by F5, master switch DK3 connects transformation voltage-stabilizing system (2), the three-phase voltage transducer SW2 that inserts in parallel between master switch DK3 and transformer, the termination that goes out of three-phase voltage transducer SW2 is gone into voltmeter V5; Pressurizer outlet series connection inserts ammeter A2 and the voltmeter V4 that inserts in parallel, and inserts double-pole cut-out DK4, and double-pole cut-out DK4 connects power transfer device PAS (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206771518U CN201877879U (en) | 2010-12-23 | 2010-12-23 | Dual-power supply device for large-scale control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206771518U CN201877879U (en) | 2010-12-23 | 2010-12-23 | Dual-power supply device for large-scale control system |
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| Publication Number | Publication Date |
|---|---|
| CN201877879U true CN201877879U (en) | 2011-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206771518U Expired - Fee Related CN201877879U (en) | 2010-12-23 | 2010-12-23 | Dual-power supply device for large-scale control system |
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| Country | Link |
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| CN (1) | CN201877879U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102545369A (en) * | 2010-12-23 | 2012-07-04 | 贵阳铝镁设计研究院有限公司 | Double-power supply device for large control system |
| CN105552854A (en) * | 2015-12-24 | 2016-05-04 | 无锡信大气象传感网科技有限公司 | Safety automatic switching system for transformer substation connected to multiple power supplies |
-
2010
- 2010-12-23 CN CN2010206771518U patent/CN201877879U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102545369A (en) * | 2010-12-23 | 2012-07-04 | 贵阳铝镁设计研究院有限公司 | Double-power supply device for large control system |
| CN105552854A (en) * | 2015-12-24 | 2016-05-04 | 无锡信大气象传感网科技有限公司 | Safety automatic switching system for transformer substation connected to multiple power supplies |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20141223 |
|
| EXPY | Termination of patent right or utility model |