CN202268043U - Fire-fighting alarm device - Google Patents
Fire-fighting alarm device Download PDFInfo
- Publication number
- CN202268043U CN202268043U CN2011203744119U CN201120374411U CN202268043U CN 202268043 U CN202268043 U CN 202268043U CN 2011203744119 U CN2011203744119 U CN 2011203744119U CN 201120374411 U CN201120374411 U CN 201120374411U CN 202268043 U CN202268043 U CN 202268043U
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- Prior art keywords
- alarm
- button
- time relay
- contactor
- coil
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Abstract
The utility model discloses a fire-fighting alarm device including a power transmission sub-circuit. The fire-fighting alarm device also includes a first alarm sub-circuit and a second alarm sub-circuit. The first alarm sub-circuit includes an alarm button and a time relay. A series sub-circuit composed of the alarm button and a coil of the time relay is connected to two sides of a series sub-circuit composed of a starting button and a coil of an AC contactor in parallel. A first normally open contact of the time relay is connected to two ends of the alarm button in parallel. A normally closed contact of the time relay is connected between the start button and the coil of the AC contactor in series. The second alarm sub-circuit includes a second normally open contact of the time relay and an alarm bell connected in series. When a severe fire occurs in a workshop, an operator presses the fire-fighting alarm button. The power source can be cut directly and security guards on duty of a company can be informed timely of the fire location, thereby facilitating the fire fighting. And a phenomenon of on-load switch-out can be avoided. The reliability is high and the investment cost is low.
Description
Technical field
The utility model relates to the fire protection warning device.
Background technology
Because the pickling workshop often contacts with three acid (hydrochloric acid, nitric acid, sulfuric acid), and the use electric furnace is many in the workshop, and electrical equipment is easy to receive corrode and breaks down and then cause fire; Occur after the fire,, will cause bigger personal damage if untimelyly take power down or have a power failure incorrectly; For example: if behind the fire; Understand that a little electric people can pull off switch and go fire fighting, but do not forgotten that the inner power cabinet in workshop is an isolation switch, do not allow on-load to operate a switch; All there people in time notice distribution operator on duty cuts off switch; But the switch of power distribution room is too many, not only has been not easy to search but also has caused easily mistakenly stop, and safety can not get guaranteeing.
The utility model content
The purpose of the utility model provides a kind of fire protection warning device, has solved the problem that the staff blindly puted out a fire to save life and property when fire took place effectively.
The utility model adopts following technical proposals: a kind of fire protection warning device; Send electric branch road; Describedly send electric branch road to comprise stop button, start button, A.C. contactor; The coil of stop button, start button, A.C. contactor is connected successively, and first normally opened contact of A.C. contactor is connected in parallel on the two ends of start button, and second normally opened contact of A.C. contactor is connected with sending electric pilot lamp; The main contacts KM of A.C. contactor is connected on the lower end of isolation switch QK; Also comprise the first warning branch road, the second warning branch road, the described first warning branch road comprises alarm button, the time relay, and the series arm that the coil of the alarm button and the time relay constitutes is connected in parallel on the series arm two ends of the coil formation of start button and A.C. contactor; First normally opened contact of the time relay is connected in parallel on the two ends of alarm button, and the normally closed contact of the time relay is connected between the coil of start button and A.C. contactor; The described second warning branch road comprises the time relay second normally opened contact and the alarm bell of series connection.
Also include the power failure indicator branch road, constitute by the power failure indicator of series connection and the normally closed contact of A.C. contactor.
Also include the alarm lamp branch road, constitute by first alarm lamp of series connection and the 3rd normally opened contact of the time relay.
The two ends of the series arm that the described time relay second normally opened contact and alarm bell constitute also are parallel with the series arm of the coil formation of eliminating alarm button and auxiliary reclay; The normally opened contact of auxiliary reclay is connected in parallel on the two ends of eliminating alarm button, and first normally closed contact of auxiliary reclay is connected between the time relay second normally opened contact and the alarm bell.
Second normally closed contact of described auxiliary reclay and the series arm two ends that are connected in parallel on the coil formation of eliminating alarm button and auxiliary reclay after power light is connected.
The two ends of the said time relay second normally opened contact are parallel with the inspection alarm button.
Also include SR, SR is connected with the series arm that the coil of eliminating alarm button and auxiliary reclay constitutes.
The utility model fire protection warning device; Can the breaking out of fire alerting signal in normal maintenance and power failure transmission process; When fire disaster appearred in inside, workshop, operating personnel pressed the fire protection warning button and just can directly cut off the electricity supply and simultaneously can in time notify the security personnel operator on duty of company fire where to occur again, help fire fighting; And the phenomenon that can avoid on-load to operate a switch, reliability height and investment cost are low.
Description of drawings
Fig. 1 is for sending the circuit theory diagrams of electric branch road, the first warning branch road in the utility model;
Fig. 2 is the circuit theory diagrams of the second warning branch road in the utility model.
Embodiment
As shown in Figure 1; A kind of fire protection warning device of the utility model; Comprise and send electric branch road, the first warning branch road, the second warning branch road; Describedly send electric branch road to comprise stop button SB1, start button SB2, A.C. contactor, the coil KM of stop button SB1, start button SB2, A.C. contactor connects successively, and the two ends that auxiliary contact KM1 is connected in parallel on start button SB2 often left by first of A.C. contactor; Second of A.C. contactor often leaves auxiliary contact KM2 and connects with sending electric pilot lamp HR, and the main contacts KM3 of A.C. contactor is connected on the lower end of isolation switch QK.The described first warning branch road comprises alarm button SB3, the time relay; The series arm that the coil KA of the alarm button SB3 and the time relay constitutes is connected in parallel on the series arm two ends of the coil KM formation of start button SB2 and A.C. contactor; The first normally opened contact KA1 of the time relay is connected in parallel on the two ends of alarm button SB3, and the normally closed contact KA3 of the time relay is connected between the coil KM of start button SB2 and A.C. contactor; Also include the power failure indicator branch road, constitute by the power failure indicator HG of series connection and the normally closed auxiliary contact KM4 of A.C. contactor; Also include the alarm lamp branch road, constitute by first alarm lamp HY of series connection and the 3rd normally opened contact KA3 of the time relay.
As shown in Figure 2, the described second warning branch road comprises the time relay second normally opened contact KA2 and the alarm bell GL of series connection.The two ends of the series arm that the described time relay second normally opened contact KA2 and alarm bell GL constitute also are parallel with the series arm of the coil KB formation of eliminating alarm button SB4 and auxiliary reclay; The normally opened contact KB3 of auxiliary reclay is connected in parallel on the two ends of eliminating alarm button SB4, and the first normally closed contact KB1 of auxiliary reclay is connected between the time relay second normally opened contact KA2 and the alarm bell GL; Second normally closed contact KB2 of described auxiliary reclay and the series arm two ends that are connected in parallel on the coil KB formation of eliminating alarm button SB4 and auxiliary reclay after power light HL connects.SR SB5 connects with the series arm that the coil KB that eliminates alarm button SB4 and auxiliary reclay constitutes; Inspection alarm button SB6 is connected in parallel on the two ends of the time relay second normally opened contact KA2.
As depicted in figs. 1 and 2, the alarm button SB3 and the first alarm lamp HY are installed in the duty room in pickling workshop, and other circuit is contained in the power cabinet of isolation switch QK; The second warning branch road is installed in security personnel's the duty room.When operating personnel sent electricity, the isolation switch QK that closes pressed the SB2 that releases the button, the then coil KM of A.C. contactor energising, and it first often opens that auxiliary contact KM1 is closed to realize self-locking, and the auxiliary KM4 of its normally closed contact breaks off, and power failure indicator HG goes out; Second often to open auxiliary contact KM2 closed for it, send electric pilot lamp HR bright, and expression power cabinet send the electricity success.When resetting, interruption maintenance or circuit press stop button SB1, the coil KM dead electricity of A.C. contactor then, and isolation switch QK lower end not load can be drawn back.The button SB3 if push for emergency during fire failure, then the coil KA of auxiliary reclay gets electricly, and its first normally opened contact KA1 is closed to realize self-locking; Its normally closed contact KA3 breaks off, ac contactor coil KM dead electricity, and main contact KM4 breaks off; Isolation switch QK lower end dead electricity; The 3rd normally opened contact KA3 of the time relay is closed simultaneously, and the first alarm lamp HY is bright, representes to have reported to the police success.Meanwhile the second normally opened contact KA2 of the time relay is closed, and alarm bell GL rings, and can notify security personnel's duty room personnel, informs that the pickling workshop fire occurs and needs first aid.Security personnel's duty room personnel press alarm bell and eliminate button SB4, and then the coil KB of auxiliary reclay gets electricly, and its normally opened contact KB3 is closed, realizes self-locking; The first normally closed contact KB1 of auxiliary reclay breaks off, and eliminates alarm bell sound; The second normally closed contact KB2 of auxiliary reclay breaks off, and power light HL goes out, and the expression the tinkle of bells is eliminated.The effect of SR SB5 is to make circuit reset, and the effect of inspection alarm button SB6 is the quality of experiment alarm bell GL.When not having fire, power light HL is light yellow always, and expression does not have broken string in the loop.
Claims (7)
1. fire protection warning device; Send electric branch road; Describedly send electric branch road to comprise stop button, start button, A.C. contactor; The coil of stop button, start button, A.C. contactor is connected successively, and first normally opened contact of A.C. contactor is connected in parallel on the two ends of start button, and second normally opened contact of A.C. contactor is connected with sending electric pilot lamp; The main contacts KM of A.C. contactor is connected on the lower end of isolation switch QK; It is characterized in that: also comprise the first warning branch road, the second warning branch road, the described first warning branch road comprises alarm button, the time relay, and the series arm that the coil of the alarm button and the time relay constitutes is connected in parallel on the series arm two ends of the coil formation of start button and A.C. contactor; First normally opened contact of the time relay is connected in parallel on the two ends of alarm button, and the normally closed contact of the time relay is connected between the coil of start button and A.C. contactor; The described second warning branch road comprises the time relay second normally opened contact and the alarm bell of series connection.
2. fire protection warning device according to claim 1 is characterized in that: also include the power failure indicator branch road, be made up of the power failure indicator of series connection and the normally closed contact of A.C. contactor.
3. fire protection warning device according to claim 2 is characterized in that: also include the alarm lamp branch road, be made up of first alarm lamp of series connection and the 3rd normally opened contact of the time relay.
4. according to claim 1 or 2 or 3 described fire protection warning devices; It is characterized in that: the two ends of the series arm that the described time relay second normally opened contact and alarm bell constitute also are parallel with the series arm of the coil formation of eliminating alarm button and auxiliary reclay; The normally opened contact of auxiliary reclay is connected in parallel on the two ends of eliminating alarm button, and first normally closed contact of auxiliary reclay is connected between the time relay second normally opened contact and the alarm bell.
5. fire protection warning device according to claim 4 is characterized in that: second normally closed contact of described auxiliary reclay and the series arm two ends that are connected in parallel on the coil formation of eliminating alarm button and auxiliary reclay after power light is connected.
6. fire protection warning device according to claim 5 is characterized in that: the two ends of the said time relay second normally opened contact are parallel with the inspection alarm button.
7. fire protection warning device according to claim 6 is characterized in that: also include SR, SR is connected with the series arm that the coil of eliminating alarm button and auxiliary reclay constitutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203744119U CN202268043U (en) | 2011-09-30 | 2011-09-30 | Fire-fighting alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203744119U CN202268043U (en) | 2011-09-30 | 2011-09-30 | Fire-fighting alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202268043U true CN202268043U (en) | 2012-06-06 |
Family
ID=46158828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203744119U Expired - Fee Related CN202268043U (en) | 2011-09-30 | 2011-09-30 | Fire-fighting alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202268043U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103239814A (en) * | 2013-05-10 | 2013-08-14 | 苏州嘉目工程有限公司 | Novel multi-functional fire alarm bell |
| CN107065825A (en) * | 2017-03-08 | 2017-08-18 | 大同煤矿集团有限责任公司 | Electric control system failure tester |
| CN107978107A (en) * | 2017-12-25 | 2018-05-01 | 泰豪科技股份有限公司 | A kind of device of alarming horn pulse operation |
| CN108333533A (en) * | 2016-10-12 | 2018-07-27 | 国网新疆电力公司阿勒泰供电公司 | Important load circuit power failure alarm device |
| CN114038168A (en) * | 2021-11-04 | 2022-02-11 | 牧原食品股份有限公司 | Failure detection alarm system for farm |
-
2011
- 2011-09-30 CN CN2011203744119U patent/CN202268043U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103239814A (en) * | 2013-05-10 | 2013-08-14 | 苏州嘉目工程有限公司 | Novel multi-functional fire alarm bell |
| CN103239814B (en) * | 2013-05-10 | 2015-10-14 | 苏州凯丰电子电器有限公司 | Novel multi-functional fire alarm bell |
| CN108333533A (en) * | 2016-10-12 | 2018-07-27 | 国网新疆电力公司阿勒泰供电公司 | Important load circuit power failure alarm device |
| CN108333533B (en) * | 2016-10-12 | 2024-03-29 | 国网新疆电力公司阿勒泰供电公司 | Important load circuit power failure alarm device |
| CN107065825A (en) * | 2017-03-08 | 2017-08-18 | 大同煤矿集团有限责任公司 | Electric control system failure tester |
| CN107978107A (en) * | 2017-12-25 | 2018-05-01 | 泰豪科技股份有限公司 | A kind of device of alarming horn pulse operation |
| CN114038168A (en) * | 2021-11-04 | 2022-02-11 | 牧原食品股份有限公司 | Failure detection alarm system for farm |
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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: 20120606 Termination date: 20140930 |
|
| EXPY | Termination of patent right or utility model |