CN1829035B - Building electric fire hidden trouble alarm power distribution method and its circuit - Google Patents
Building electric fire hidden trouble alarm power distribution method and its circuit Download PDFInfo
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- CN1829035B CN1829035B CN 200610200330 CN200610200330A CN1829035B CN 1829035 B CN1829035 B CN 1829035B CN 200610200330 CN200610200330 CN 200610200330 CN 200610200330 A CN200610200330 A CN 200610200330A CN 1829035 B CN1829035 B CN 1829035B
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Abstract
The present invention discloses a building electric fire hazard alarm distribution method and circuit. It contains all breaker having short circuit, overload and electrical leakage ternary protection and auxiliary contact output, connecting auxiliary contact of each breaker to alarm control circuit, when electric fire hazard occurrence circuit simultaneously sending audible and visual alarm signal and indicating out concrete position. The present invention has simple structure, easy maintenance, higher operational reliability, and convenient centralized monitoring advantages.
Description
Technical field
The present invention relates to the power distribution circuit of a kind of warning circuit of electric disaster hidden-trouble, particularly a kind of building electric fire hidden trouble alarm.
Background technology
According to statistics, in China's disaster hidden-trouble sum, electric disaster hidden-trouble accounts for 30% of electric disaster hidden-trouble sum, accounts for the first place in the cause of disaster hidden-trouble.The electric disaster hidden-trouble major part is to be caused by short circuit, particularly ground arc short circuit.Because building electric fire hidden trouble is dangerous greatly, personnel are intensive, brings a lot of inconvenience for the work of putting out a fire to save life and property, particularly present building is also more and more higher, and the work of putting out a fire to save life and property is also difficult more.Therefore country stipulates in 2005 editions " high-rise design fire safety rules ", high-rise must be provided with electric leakage electric fire hidden trouble alarm circuit, original distribution method for designing must be adjusted accordingly, in power distribution circuit, should be able to monitor the fault and the abnormality of power consumption equipment and circuit thereof, find electric disaster hidden-trouble, in time the prompting personnel go to eliminate these hidden danger.
Existing building low-voltage distribution circuit generally adopts the TN-S three-phase five-wire mode, and zero line, PE line separate fully.What also some older building adopted is three-phase four-wire system, does not have ground protection PE line.Generally all adopt low voltage winding in transformers neutral-point solid ground, phase line inserts the structure of power distribution circuit through power circuit breaker, and the main load of its distribution is divided into three kinds of three-phase load, single-phase lighting load or single-phase socket loads.Though circuit breaker all is installed in every kind of load, but these circuit breakers all are only to adopt the circuit breaker with short-circuit protection or overload protection function usually, can not be connected with the existing conventional warning circuit, be difficult to realization centralized monitor and electric disaster hidden-trouble and report to the police automatically; The distribution system ubiquity complex structure, investment is big, operating cost is high, the shortcoming of maintenance difficult and existing building electric fire hidden trouble is reported to the police automatically.So the distribution technique of existing building electric fire hidden trouble alarm in use, and its result of use still is not ideal.
Summary of the invention
The objective of the invention is to: provide a kind of simple in structure, cheap, safeguard easily, functional reliability is higher and be convenient to the power distribution circuit of the building electric fire hidden trouble alarm of centralized monitor, find electric disaster hidden-trouble, prevention in time to overcome the deficiencies in the prior art with timely, thereby avoid causing huge casualties and economic loss.
The distribution method of a kind of building electric fire hidden trouble alarm of the present invention is achieved in that the situation of this method according to the power distribution circuit load, load is divided into three phase symmetry load, three-phase asymmetric load, single-phase lighting load or four kinds of situations of single-phase socket load, and on the load power distribution circuit of these four kinds of situations, install circuit breaker respectively, all circuit breakers all adopt have short circuit, the circuit breaker of overload, electric leakage triple protection, and on all circuit breakers, be equipped with the on off state auxiliary contact; Each auxiliary contact is connected to day and night to be had on people's alarm control circuit on duty; Rationally adjust the overload protection electric current and the earth leakage protective electric current of each circuit breaker then according to the concrete load of load; after the overload of any one circuit breaker in the circuit breaker and/or leakage current surpass limit value; the rapid action power dump of this circuit breaker; auxiliary contact on this circuit breaker action simultaneously; the switch state signal of this circuit breaker is delivered to the alarm control circuit of night shift room; this circuit sends the sound and light alarm signal simultaneously, and the operator on duty can find out it is the particular location that the sort of loading condition is reported to the police on alarm control circuit.The operator on duty just can in time send the staff that circuit is checked like this, gets rid of electric disaster hidden-trouble, accomplishes to prevent trouble before it happens.
The power distribution circuit of a kind of building electric fire hidden trouble alarm of the present invention, it comprises the three-phase transformer 1 that is used for to the building power supply, the neutral-point solid ground of this transformer 1, and draw the zero line and the ground protection line PE of this transformer respectively from this neutral point, three phase lines of this transformer 1 and the zero line of this transformer insert power distribution circuits through the 5th circuit breaker 6, and the phase line in three phase lines of power distribution circuit and the zero line N of power distribution circuit are connected with single-phase socket load 12 through first circuit breaker 2; Another root phase line of power distribution circuit and the zero line N of power distribution circuit are connected with single-phase lighting load 13 through second circuit breaker 3; Three phase line L1, L2, the L3 of power distribution circuit are connected with three phase symmetry load 14 through the 3rd circuit breaker 4; The zero line N of three phase line L1, L2, L3 and power distribution circuits of power distribution circuit is connected with three-phase asymmetric load 15 through the 4th circuit breaker 5; The auxiliary contact 7,8,9,10,11 of above-mentioned each circuit breaker are connected respectively on the alarm signal input of alarm control circuit 16, and ground protection line PE is directly connected to above-mentioned each load and is connected with earth terminal in above-mentioned each load.
Above-mentioned each circuit breaker 2,3,4,5,6 all adopts the circuit breaker that has short circuit, overload, electric leakage triple protection and have auxiliary contact; First and second circuit breakers 2,3 are that three utmost points, the 4th and the 5th circuit breaker 5,6 are four utmost points for one pole, the 3rd circuit breaker 4.
Owing to adopted technique scheme, compared with prior art, that the present invention not only has is simple in structure, cheap, safeguard easily, the functional reliability advantage of higher, but also makes things convenient for the centralized monitor of circuit breaker.Use when of the present invention, when electric disaster hidden-trouble occurring, circuit sends sound and light alarm to night shift room at once, in time find, and prevention in time, thus avoid causing great casualties and economic loss.
Description of drawings
Accompanying drawing 1 is an electrical principle schematic diagram of the present invention.
Being labeled as in the accompanying drawing: 1-transformer, 2-first circuit breaker, 3-second circuit breaker, 4-the 3rd circuit breaker, 5-the 4th circuit breaker, 6-the 5th circuit breaker, the auxiliary contact of 7-circuit breaker, the auxiliary contact of 8-circuit breaker, the auxiliary contact of 9-circuit breaker, the auxiliary contact of 10-circuit breaker, the auxiliary contact of 11-circuit breaker, the load of 12-single-phase socket, the single-phase lighting load of 13-, the 14-three phase symmetry load, the asymmetric load of 15-three-phase, 16-alarm control circuit.
Embodiment
Embodiments of the invention: when adopting the distribution method of building electric fire hidden trouble alarm of the present invention to implement, situation according to load, load is divided into three phase symmetry load, three-phase asymmetric load, single-phase lighting load and four kinds of situations of single-phase socket load, various situations are selected different circuit breakers for use, but all circuit breakers all adopt have short circuit, the circuit breaker of overload, electric leakage triple protection, on this circuit breaker, also should have the output device of switch state signal; The output signal of each on off state is connected to the alarm control circuit that day and night has the people on duty; Rationally adjust overload protection electric current and earth leakage protective electric current according to the concrete load of load then, the leakage current of circuit breaker 6 is set at less than 500mA in this routine embodiment, and circuit breaker disconnects when surpassing 500mA; The leakage current of circuit breaker 2,3 is set at less than 100mA, and circuit breaker disconnects when surpassing 100mA; The leakage current of circuit breaker 4,5 is set at less than 200mA, and circuit breaker disconnects when surpassing 200mA; When circuit breaker disconnects, auxiliary contact on its switch also disconnect, the indicator light that is connected on the alarm control circuit of night shift room goes out, alarm control circuit sends the sound and light alarm signal simultaneously, at this moment the operator on duty can find out the particular location of warning on control circuit, and send the staff that circuit is checked, and get rid of electric disaster hidden-trouble, accomplish to prevent trouble before it happens.
Concrete when making building electric fire hidden trouble alarm circuit of the present invention, as shown in Figure 1, neutral-point solid ground with three-phase transformer 1, and draw the zero line and the ground protection line PE of this transformer respectively from this point, three phase lines of transformer 1 and the zero line of this transformer are inserted power distribution circuits through the 5th circuit breaker 6, and the zero line N of phase line in three phase lines of power distribution circuit and power distribution circuit is connected with single-phase socket load 12 through first circuit breaker 2; The zero line N of another root phase line in three phase lines of power distribution circuit and power distribution circuit is connected with single-phase lighting load 13 through second circuit breaker 3; Three phase line L1, L2, the L3 of power distribution circuit are connected with three phase symmetry load 14 through the 3rd circuit breaker 4; The zero line N of three phase line L1, L2, L3 and power distribution circuits of power distribution circuit is connected with three-phase asymmetric load 15 through the 4th circuit breaker 5; The lead-out wire of the auxiliary contact 7,8,9,10,11 of above-mentioned each circuit breaker is connected respectively on the alarm signal input of alarm control circuit 16; alarm control circuit 16 can directly adopt warning circuit finished product of the prior art to install, and ground protection line PE is directly connected to each load and is connected with earth terminal in the load.Above-mentioned each circuit breaker 2,3,4,5,6 all adopts the circuit breaker that has short circuit, overload, electric leakage triple protection and have auxiliary contact; First and second circuit breakers 2,3 are that three utmost points, the 4th and the 5th circuit breaker 5,6 are four utmost points for one pole, the 3rd circuit breaker 4.All circuit breakers all can adopt the finished product of selling on the market.
Claims (2)
1. the power distribution circuit of a building electric fire hidden trouble alarm, it comprises the three-phase transformer (1) that is used for to the building power supply, it is characterized in that: the neutral-point solid ground of this transformer (1), and draw the zero line and the ground protection line (PE) of this transformer respectively from this neutral point, three phase lines of this transformer (1) and the zero line of this transformer insert power distribution circuit through the 5th circuit breaker (6), and the phase line in three phase lines of power distribution circuit and the zero line (N) of power distribution circuit are connected with single-phase socket load (12) through first circuit breaker (2); Another root phase line of power distribution circuit and the zero line (N) of power distribution circuit are connected with single-phase lighting load (13) through second circuit breaker (3); Three phase lines (L1, L2, L3) of power distribution circuit are connected with three phase symmetry load (14) through the 3rd circuit breaker (4); Three phase lines (L1, L2, L3) of power distribution circuit and the zero line (N) of power distribution circuit are connected with three-phase asymmetric load (15) through the 4th circuit breaker (5); The auxiliary contact of above-mentioned each circuit breaker (7,8,9,10,11) are connected respectively on the alarm signal input of alarm control circuit (16), and ground protection line (PE) is directly connected to above-mentioned each load and is connected with earth terminal in above-mentioned each load.
2. the power distribution circuit of building electric fire hidden trouble alarm according to claim 1, it is characterized in that: above-mentioned each circuit breaker (2,3,4,5,6) all adopts the circuit breaker that has short circuit, overload, electric leakage triple protection and have auxiliary contact; First and second circuit breakers (2,3) are that one pole, the 3rd circuit breaker (4) are that three utmost points, the 4th and the 5th circuit breaker (5,6) are four utmost points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610200330 CN1829035B (en) | 2006-04-10 | 2006-04-10 | Building electric fire hidden trouble alarm power distribution method and its circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610200330 CN1829035B (en) | 2006-04-10 | 2006-04-10 | Building electric fire hidden trouble alarm power distribution method and its circuit |
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| Publication Number | Publication Date |
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| CN1829035A CN1829035A (en) | 2006-09-06 |
| CN1829035B true CN1829035B (en) | 2010-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200610200330 Expired - Fee Related CN1829035B (en) | 2006-04-10 | 2006-04-10 | Building electric fire hidden trouble alarm power distribution method and its circuit |
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| CN (1) | CN1829035B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104680030A (en) * | 2015-03-17 | 2015-06-03 | 山东大学 | Method for determining cross section of intelligent element of fire circuit breaker |
| CN105742836A (en) * | 2016-03-16 | 2016-07-06 | 国网天津宝坻供电有限公司 | Grounding method of power distribution room |
| CN106290115A (en) * | 2016-10-17 | 2017-01-04 | 杭州富尔顿热能设备有限公司 | A kind of boiler and air filtering system on-Line Monitor Device thereof |
| KR20190128920A (en) * | 2018-05-09 | 2019-11-19 | 주식회사 아이티이 | Electrical fault detection and recovery power distribution system and its construction method |
| CN112505509A (en) * | 2020-12-14 | 2021-03-16 | 湖南顶立科技有限公司 | Method and equipment for processing insulation condition of high-temperature heating equipment |
| CN112582970A (en) * | 2020-12-14 | 2021-03-30 | 湖南顶立科技有限公司 | Graphite resistance furnace load short circuit processing method and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2197759Y (en) * | 1994-10-10 | 1995-05-17 | 牛万新 | Safety distributing box |
| CN1551449A (en) * | 2003-03-24 | 2004-12-01 | 新昌机械设备株式会社 | Unit resident normal/ emergency power supply switch board and its power supply automatic converting device |
| CN2891437Y (en) * | 2006-04-10 | 2007-04-18 | 贵阳铝镁设计研究院 | Distribution connection structure for electric fire hazard alarm in building |
-
2006
- 2006-04-10 CN CN 200610200330 patent/CN1829035B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2197759Y (en) * | 1994-10-10 | 1995-05-17 | 牛万新 | Safety distributing box |
| CN1551449A (en) * | 2003-03-24 | 2004-12-01 | 新昌机械设备株式会社 | Unit resident normal/ emergency power supply switch board and its power supply automatic converting device |
| CN2891437Y (en) * | 2006-04-10 | 2007-04-18 | 贵阳铝镁设计研究院 | Distribution connection structure for electric fire hazard alarm in building |
Non-Patent Citations (3)
| Title |
|---|
| JP特开平9-233623A 1997.09.05 |
| 王开鸿.低压电气设备接地故障保护及漏电保护器的选用.煤炭工程 11.1993,(11),30-34. |
| 王开鸿.低压电气设备接地故障保护及漏电保护器的选用.煤炭工程 11.1993,(11),30-34. * |
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| CN1829035A (en) | 2006-09-06 |
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