CN204290984U - Bus type emergency broadcase system - Google Patents
Bus type emergency broadcase system Download PDFInfo
- Publication number
- CN204290984U CN204290984U CN201420805538.5U CN201420805538U CN204290984U CN 204290984 U CN204290984 U CN 204290984U CN 201420805538 U CN201420805538 U CN 201420805538U CN 204290984 U CN204290984 U CN 204290984U
- Authority
- CN
- China
- Prior art keywords
- emergent broadcast
- main frame
- broadcast
- emergent
- broadcaster
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of bus type emergency broadcase system, comprise emergent broadcast main frame, emergent broadcast signal bus and some broadcasters; Emergent broadcast signal bus adopts emergency power supply charging wire, the four line condominium of broadcast singal line; Broadcaster comprises housing and is positioned at the some power interfaces on housing, is provided with the control assembly of loudspeaker, direct-flow storage battery, memory and band self-checking function in housing; Broadcaster is connected with emergent broadcast signal bus, realizes the two-way communication with emergent broadcast main frame.This emergency broadcase system easily meets the requirement of current specifications in heavy construction body, achieves the diversified demand of different building subregion.
Description
Technical field
The utility model relates to the communications field, is specially a kind of bus type emergency broadcase system.
Background technology
Emergency broadcase system is one of important component part in fire protection alarm system, and it can transmit alarm of fire information in time the user in building.But in actual applications, there is following problem in the emergency broadcase system that market uses:
One, according to old edition " Code for design of automatic fire alarm systems " GB50116-98 6.3.1.6 article:
" fire protection control room should arrange the control device of Fire alarm device and emergent broadcast, and its control program should meet the following requirements:
Two layers and above building breaking out of fire, first should connect fire bed and adjacent upper and lower layer thereof;
First floor breaking out of fire, first should connect this layer, two layers and each layer in underground;
Basement breaking out of fire, first should connect each layer in underground and the first floor;
Containing the single story building of multiple fire compartment, the fire compartment and adjacent fire compartment thereof of catching fire first should be connected.”
And according to existing " Code for design of automatic fire alarm systems " GB50116-2013 4.8.8 article, " the coordinated signals signal of fire emergence evacuation broadcast system should be sent by fire protection linkage control device.When confirmation concrete on fire, should broadcast to full building simultaneously.”
As can be seen here, compared to old edition specification, will the demand perfection emergent broadcast in building of current specifications all will work simultaneously, and this will increase the operating pressure of emergency broadcase system greatly.The working method that now emergency broadcase system commercially adopts is all drive several emergent broadcasts by a broadcasting power amplifier, and single emergent broadcast power is at least 3W, large reach 20W and more than.Building utilization broadcasting power amplifier for small volume still can support that all emergent broadcasts work simultaneously, but for the building of the large scale of construction, from broadcasting power amplifier front-end, emergent broadcast farthest in building, reach the circuit of hundreds of rice, numerous emergent broadcast devices drives simultaneously, and tens, the voltage drop that produces of up to a hundred emergent broadcasts can not look down upon, and will have a strong impact on the normal operation of emergency broadcase system.
Two, the present building scale of construction is increasing, proposes requirements at the higher level on the one hand to fire-fighting evacuation orders, and the broadcasting of different building function subregions to background music has had more diversified demand on the other hand.
Utility model content
The purpose of this utility model is to provide a kind of bus type emergency broadcase system, to realize the diversified demand of heavy construction.For achieving the above object, the utility model is by the following technical solutions:
Bus type emergency broadcase system, comprises emergent broadcast main frame, emergent broadcast signal bus and some broadcasters;
Described emergent broadcast signal bus adopts emergency power supply charging wire, the four line condominium of broadcast singal line; Described broadcaster comprises housing and is positioned at the some power interfaces on housing, is provided with the control assembly of loudspeaker, direct-flow storage battery, memory and band self-checking function in described housing; Described broadcaster is connected with emergent broadcast signal bus, realizes the two-way communication with emergent broadcast main frame.What broadcast singal line of the present utility model transmitted is digital signal, and unconventional analog signal, adopt storage battery as the main power source of broadcaster, because the useful life of storage battery becomes positive correlation with discharge and recharge number of times, being in repeatedly charged state for a long time can make the life of storage battery shorten, and easily make internal storage battery accumulation heat blast, therefore in broadcaster, be equipped with control assembly, can manage storage battery.
Preferably, also comprise daily broadcast power line, described broadcaster can be connected with daily broadcast power line.Can charge with daily broadcast power line at ordinary times.
Preferably, also comprise background music main frame, switching controls dish and display screen, described emergent broadcast main frame is connected switching controls dish with between background music main frame, and switching controls dish switches the output of emergent broadcast signal or background music signal.This design can meet the broadcasting demand of different building function subregion to background music.Described display screen is connected with emergent broadcast main frame.The operating state of display screen display of broadcast system, is convenient to personnel control.
Preferably, conveniently construct, described emergency power supply charging wire, broadcast singal line, the condominium of daily broadcast power line are in eight core twisted-pair feeders.
After adopting above technical scheme, the utility model mainly has following beneficial effect:
1, each broadcaster drives by carrying storage battery, reduces the pressure to emergency broadcase system power supply, solves the adverse effect that voltage drop produces; Make this emergency broadcase system in heavy construction body, easily meet the requirement of current specifications.
2, broadcaster is with self-checking function, maintains easily.Emergent broadcast main frame place, by broadcast singal bus, broadcasts group number by the mode of programming to the write of each broadcaster, achieves the diversified demand of different building subregion.
Accompanying drawing explanation
Fig. 1 is bus type emergency broadcase system schematic diagram of the present utility model;
Fig. 2 is broadcaster schematic diagram of the present utility model.
Primary clustering symbol description:
10: emergent broadcast main frame, 20: emergent broadcast signal bus, 21: emergency power supply charging wire, 22: broadcast singal line, 30: broadcaster, 31: housing, 32: loudspeaker, 33: storage battery, 34: memory, 35: control assembly, 36: power interface, 40: daily broadcast power line, 50: background music main frame, 60: display screen, 70: switching controls dish.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.
As shown in Figure 1, the utility model discloses bus type emergency broadcase system, comprise emergent broadcast main frame 10, emergent broadcast signal bus 20, some broadcasters 30, daily broadcast power line 40, background music main frame 50, display screen 60.Switching controls dish 70 is connected between emergent broadcast main frame 10 with background music main frame 50.Emergent broadcast signal bus 20 adopt emergency power supply charging wire 21, the 22 4 line condominium of broadcast singal line or by emergency power supply charging wire 21, broadcast singal line 22, the condominium of daily broadcast power line 40 in eight core twisted-pair feeders.As shown in Figure 2, broadcaster 30 comprises housing 31 and is positioned at the some power interfaces 36 on housing 31, is provided with the control assembly 35 of loudspeaker 32, direct-flow storage battery 33, memory 34 and band self-checking function in housing.
As in Fig. 1, the difference in functionality subregion of building is numbered: as fixing public area 1 ~ N, not only can listens background music but also can emergent broadcast be listened; Fixing not common district 1 ~ N, only emergent broadcast can be listened, when whole emergency broadcase system with fire broadcast device work gross power within 100W time, broadcaster power supply can adopt a, b type power connection in Fig. 1, namely only with an emergency power supply charging wire 21 as charging source.When whole broadcaster gross power is greater than 100W, the double broadcaster 30 doing background music player should adopt c type at ordinary times, namely charges with daily broadcast power line 40 at ordinary times, powers during fire with DC supply for emergency; Ad hoc emergent broadcast installation's power source wiring adopts d type, adopts emergent DC charging line 21 to carry out small area analysis, charge lentamente.The benefit that this mode of connection produces shows two aspects: on the one hand, obvious voltage drop can be produced after long-distance transmissions, multiple broadcaster 30 compared to AC power, affect the normal work of far-end emergent broadcast device 30, as long as and adopt the storage battery 33 of DC charging have endlessly electric energy flow into, just can charge normal, until be full of.On the other hand, the electric current absorbed when each emergent broadcast device 30 charges is very little, therefore can not produce too large pressure to the power supply of whole system.
The Principle of Communication of above-mentioned bus type emergency broadcase system is as follows: each broadcaster 30 is arranged a unique address code, be stored in memory 34, and each broadcaster 30 is accessed in holding wire, wiring process is divided into groups according to the functional areas at each broadcaster 30 place, and work out " broadcast group number ", at emergent broadcast main frame 10 place, by emergent broadcast signal bus 20, by the mode of programming, group number is broadcasted to the write of each broadcaster 30; After broadcaster receives message, control assembly carries out self-inspection, judges that whether the electricity of direct-flow storage battery is sufficient, when storage battery 33 electricity is not enough, connect charge circuit, storage battery 33 charged, simultaneously control assembly 35 by operating state, storage battery 33 job information stored in memory 34; Then the job information be stored in memory 34 and address code feedback are sent to emergent broadcast main frame; Emergent broadcast main frame 10 sends broadcasting packet, and each broadcaster 30 receives message, and whether " the broadcast group number " that then compare in message be equal with the broadcast group number of self, if unequal, with regard to dropping packets; If equal, continue to read.As there is emergency, the control room that disappears receives fire alarm, and directly can send switching signal to switching controls dish 70, switching controls dish 70 disconnects background music main frame 50, sends emergent broadcast signal to each broadcaster 30 by emergent broadcast main frame 10.
The utility model system achieves the two-way communication of emergent broadcast main frame 10 and broadcaster 30, and achieves the diversified demand of different building subregion, has great dissemination.
The above; be only the utility model preferably embodiment; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection range of the present utility model.
Claims (4)
1. bus type emergency broadcase system, is characterized in that: comprise emergent broadcast main frame, emergent broadcast signal bus and some broadcasters;
Described emergent broadcast signal bus adopts emergency power supply charging wire, the four line condominium of broadcast singal line; Described broadcaster comprises housing and is positioned at the some power interfaces on housing, is provided with the control assembly of loudspeaker, direct-flow storage battery, memory and band self-checking function in described housing; Described broadcaster is connected with emergent broadcast signal bus, realizes the two-way communication with emergent broadcast main frame.
2. bus type emergency broadcase system as claimed in claim 1, it is characterized in that: also comprise daily broadcast power line, described broadcaster can be connected with daily broadcast power line.
3. bus type emergency broadcase system as claimed in claim 1 or 2, it is characterized in that: also comprise background music main frame, switching controls dish and display screen, described emergent broadcast main frame is connected switching controls dish with between background music main frame, switching controls dish accepts the switching signal of fire protection control room, for switching the output of emergent broadcast signal or background music signal, described display screen is connected with emergent broadcast main frame.
4. bus type emergency broadcase system as claimed in claim 3, is characterized in that: described emergency power supply charging wire, broadcast singal line, the condominium of daily broadcast power line are in eight core twisted-pair feeders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420805538.5U CN204290984U (en) | 2014-12-19 | 2014-12-19 | Bus type emergency broadcase system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420805538.5U CN204290984U (en) | 2014-12-19 | 2014-12-19 | Bus type emergency broadcase system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204290984U true CN204290984U (en) | 2015-04-22 |
Family
ID=52874110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420805538.5U Active CN204290984U (en) | 2014-12-19 | 2014-12-19 | Bus type emergency broadcase system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204290984U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11439546B2 (en) | 2017-05-18 | 2022-09-13 | The Procter & Gamble Company | Absorbent article with belt having profiled elasticity |
| US11529271B2 (en) | 2017-05-18 | 2022-12-20 | The Procter & Gamble Company | Absorbent article with belt having zoned elasticity |
-
2014
- 2014-12-19 CN CN201420805538.5U patent/CN204290984U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11439546B2 (en) | 2017-05-18 | 2022-09-13 | The Procter & Gamble Company | Absorbent article with belt having profiled elasticity |
| US11529271B2 (en) | 2017-05-18 | 2022-12-20 | The Procter & Gamble Company | Absorbent article with belt having zoned elasticity |
| US11793686B2 (en) | 2017-05-18 | 2023-10-24 | The Procter & Gamble Company | Absorbent article with belt having profiled elasticity |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103425172B (en) | A kind of method and system controlling consumer electricity consumption order | |
| CN102640386A (en) | Load control system | |
| WO2013127150A1 (en) | Power supply method, power supply device, and base station | |
| CN105205725A (en) | Power distribution system and container type data center | |
| CN204290984U (en) | Bus type emergency broadcase system | |
| CN204290983U (en) | A kind of fire broadcast system | |
| CN101902068B (en) | Alternating current/direct current power supply conversion control system | |
| CN204258440U (en) | Low pressure blackouts monitoring terminal | |
| CN103384080A (en) | Alternating current and direct current power supply changeover power supply device | |
| CN105554950A (en) | Intelligent street lamp control system and control method therefor | |
| CN203289695U (en) | Building illumination large power remote control wall switch | |
| CN104468006A (en) | Bus type emergency broadcasting system and communication control method thereof | |
| EP2800238A1 (en) | Power management system and hierarchical power switches and sockets thereof | |
| CN214674409U (en) | Multiport power management system | |
| CN204268647U (en) | Culvert type automatic air detects purification instrument | |
| CN202872417U (en) | Intelligent urban public hybrid power handset charging station combining solar energy and wind energy | |
| CN216085150U (en) | Intelligent household remote controller | |
| CN204044611U (en) | A kind of energy management control system | |
| CN211928431U (en) | Intelligent household terminal controller | |
| CN203104917U (en) | Uninterrupted light-emitting diode (LED) bulb based on intelligent identification control system | |
| CN203167373U (en) | A distributed fire emergency lamp control device based on a GPRS network | |
| CN204179759U (en) | Public distribution transformer monitoring terminal | |
| CN203117680U (en) | Wind and solar energy complementation advertising board controller | |
| CN203445661U (en) | Intelligent miner lamp charging management system | |
| CN213480114U (en) | Split type energy-storage multifunctional lamp pole |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Two road yasumine Huli District of Xiamen city in Fujian province 361000 52, 309 to 313 units Patentee after: XIAMEN HORDOR ARCHITECTURE & ENGINEERING DESIGN GROUP CO., LTD. Address before: Heshan Road, Huli District, Xiamen city streets supporting Fujian province 361000 41 unit 801, B District Patentee before: Xiamen Hordor Engineering Design Group Co., Ltd. |