CN106157847A - A kind of emergency exit sign board - Google Patents
A kind of emergency exit sign board Download PDFInfo
- Publication number
- CN106157847A CN106157847A CN201510172055.5A CN201510172055A CN106157847A CN 106157847 A CN106157847 A CN 106157847A CN 201510172055 A CN201510172055 A CN 201510172055A CN 106157847 A CN106157847 A CN 106157847A
- Authority
- CN
- China
- Prior art keywords
- resistance
- electric capacity
- emergency exit
- sign board
- exit sign
- 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.)
- Pending
Links
Abstract
The present invention relates to a kind of emergency exit sign board; the power circuit including direction board shell, being located in direction board shell and the display lamp being connected with power circuit; described power circuit includes 110V DC supply input mouth J1, protected location, resistance R3, bleeder circuit and power voltage step down pio chip U1; described 110V DC supply input mouth J1 is connected with resistance R3, bleeder circuit one end respectively by protected location, and described power voltage step down pio chip U1 connects resistance R3, the bleeder circuit other end respectively.Compared with prior art, the present invention has and is applicable to the particularity of subway application scenario, the advantage such as easy to use.
Description
Technical field
The present invention relates to firefighting security device technical field, especially relate to a kind of emergency exit sign board.
Background technology
At present, safety becomes the focal point of people, in the various buildings such as some hospitals, office building, subway station,
Very important device when emergency exit sign board is the emergencies such as reply fire.In case of emergency, give
People provide a most portable fast-escape instruction passage the safest.Emergency exit sign board belongs to fire emergency lamp
Series of products, have the advantages such as reliable operation, stability height, life-span length.But conventional security outlet Warning Mark is all
Being by 220V Alternating Current Power Supply, use the mode of rectification blood pressure lowering, circuit diagram is as it is shown in figure 1, include 220V
Alternating current power supply, the rectification circuit of step-down transformer T1 and VD1～VD4 composition, be an AC/DC transducer.
But the particularity due to subway application scenario, it is desirable to input and input into 110V direct current, so need design a kind of new
Type emergency exit sign board.
Summary of the invention
Defect that the purpose of the present invention is contemplated to overcome above-mentioned prior art to exist and provide one to be applicable to subway
The particularity of application scenario, emergency exit sign board easy to use.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of emergency exit sign board, the power circuit including direction board shell, being located in direction board shell and with electricity
Source circuit connect display lamp, described power circuit include 110V DC supply input mouth J1, protected location,
Resistance R3, bleeder circuit and power voltage step down pio chip U1, described 110V DC supply input mouth J1 passes through
Protected location is connected with resistance R3, bleeder circuit one end respectively, and described power voltage step down pio chip U1 connects respectively
Connecting resistance R3, the bleeder circuit other end.
Described power voltage step down pio chip U1 uses YTE760 chip.
Described protected location includes fuse F1, diode D1, diode D3 and electric capacity C1, described fuse
F1 and diode D1 negative electrode connect 110V DC supply input mouth J1 respectively, described diode D3 anode with
Fuse F1 connects, and diode D3 negative electrode is connected with electric capacity C1 one end, described diode D1 anode and electric capacity
The C1 other end connects, and junction point ground connection.
The capacity of described electric capacity C1 is 4.7 μ F.
Described bleeder circuit include resistance R1 and the resistance R2 being connected, described resistance R1 connect protected location with
The junction point of resistance R3, described resistance R2 is connected with power supply pio chip.
The resistance of described resistance R1 and resistance R2 is 1M ohm.
On described power voltage step down pio chip U1, connection has electric capacity C2 and electric capacity C3, described electric capacity C2 and electric capacity
It is connected on two pins of power voltage step down pio chip U1 after C3 series connection.
Compared with prior art, the invention have the advantages that
(1) power circuit of the present invention eliminate original design in rectification blood pressure lowering, use YTE760 chip conduct
DC/DC transducer, by the control of divider resistance, exports 21V DC voltage, it is possible to achieve 110V direct current
Input circuit is properly functioning, meets the particular/special requirement used on subway.
(2) present invention directly uses 110V direct current to input, and uses convenient.
Accompanying drawing explanation
Fig. 1 is the rectification reduction voltage circuit figure in tradition direction board；
Fig. 2 is power circuit schematic diagram in direction board of the present invention.
Detailed description of the invention
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with the technology of the present invention side
Implement premised on case, give detailed embodiment and concrete operating process, but the protection model of the present invention
Enclose and be not limited to following embodiment.
As in figure 2 it is shown, the present embodiment provides a kind of emergency exit sign board, including direction board shell, it is located at instruction
Power circuit in board shell and the display lamp being connected with power circuit, power circuit includes that 110V DC source is defeated
Inbound port J1, protected location, resistance R3, bleeder circuit and power voltage step down pio chip U1,110V unidirectional current
Source input port J1 is connected with resistance R3, bleeder circuit one end respectively by protected location, power voltage step down output core
Sheet U1 connects resistance R3, the bleeder circuit other end respectively.Resistance R3 connects power voltage step down pio chip U1's
Two pins.
Power voltage step down pio chip U1 uses YTE760 chip, and on it, connection has electric capacity C2 and electric capacity C3, electricity
It is connected on two pins of power voltage step down pio chip U1 after holding C2 and electric capacity C3 series connection.Electric capacity C2 is 0.1
μ F, electric capacity C3 are 680pF.
Protected location includes fuse F1, diode D1, diode D3 and electric capacity C1, fuse F1 and two
Pole pipe D1 negative electrode connects 110V DC supply input mouth J1 respectively, and diode D3 anode is with fuse F1 even
Connecing, diode D3 negative electrode is connected with electric capacity C1 one end, and diode D1 anode is connected with the electric capacity C1 other end,
And junction point ground connection.The capacity of electric capacity C1 is 4.7 μ F.Diode D1, D3 all use IN4007.
Bleeder circuit includes that resistance R1 and the resistance R2 being connected, resistance R1 connect protected location and resistance R3
Junction point, resistance R2 is connected with power supply pio chip.The resistance of resistance R1 and resistance R2 is 1M ohm.
Above-mentioned power circuit eliminate original design in rectification blood pressure lowering, use YTE760 chip turn as DC/DC
Parallel operation, by the control of divider resistance, exports 21V DC voltage, processes further for next stage, by this
It is properly functioning that kind improvement can realize 110V direct-flow input circuit, meets the particular/special requirement used on subway.
Claims (7)
1. an emergency exit sign board, the power circuit including direction board shell, being located in direction board shell and
The display lamp being connected with power circuit, it is characterised in that described power circuit includes 110V DC supply input
Mouth J1, protected location, resistance R3, bleeder circuit and power voltage step down pio chip U1, described 110V unidirectional current
Source input port J1 is connected with resistance R3, bleeder circuit one end respectively by protected location, and described power voltage step down is defeated
Go out chip U1 and connect resistance R3, the bleeder circuit other end respectively.
Emergency exit sign board the most according to claim 1, it is characterised in that described power voltage step down exports
Chip U1 uses YTE760 chip.
Emergency exit sign board the most according to claim 1, it is characterised in that described protected location includes
Fuse F1, diode D1, diode D3 and electric capacity C1, described fuse F1 and diode D1 negative electrode
Connecting 110V DC supply input mouth J1 respectively, described diode D3 anode is connected with fuse F1, and two
Pole pipe D3 negative electrode is connected with electric capacity C1 one end, and described diode D1 anode is connected with the electric capacity C1 other end, and
Junction point ground connection.
Emergency exit sign board the most according to claim 3, it is characterised in that the appearance of described electric capacity C1
Amount is 4.7 μ F.
Emergency exit sign board the most according to claim 1, it is characterised in that described bleeder circuit includes
The resistance R1 being connected and resistance R2, described resistance R1 connect the junction point of protected location and resistance R3, institute
State resistance R2 to be connected with power supply pio chip.
Emergency exit sign board the most according to claim 5, it is characterised in that described resistance R1 and electricity
The resistance of resistance R2 is 1M ohm.
Emergency exit sign board the most according to claim 1, it is characterised in that described power voltage step down exports
On chip U1, connection is connected to power supply after having electric capacity C2 and electric capacity C3, described electric capacity C2 and electric capacity C3 series connection
On two pins of reduced output voltage chip U1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510172055.5A CN106157847A (en) | 2015-04-13 | 2015-04-13 | A kind of emergency exit sign board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510172055.5A CN106157847A (en) | 2015-04-13 | 2015-04-13 | A kind of emergency exit sign board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106157847A true CN106157847A (en) | 2016-11-23 |
Family
ID=57336770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510172055.5A Pending CN106157847A (en) | 2015-04-13 | 2015-04-13 | A kind of emergency exit sign board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106157847A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101476693A (en) * | 2009-01-20 | 2009-07-08 | 汉得利（常州）电子有限公司 | Caution flasher |
| CN201821263U (en) * | 2010-10-22 | 2011-05-04 | 沈茂盛 | Intelligent front light control power source of city rail train |
| CN202196134U (en) * | 2011-08-10 | 2012-04-18 | 中国北车集团大连机车车辆有限公司 | 110V control circuit grounding monitoring device of diesel locomotive |
| CN204695728U (en) * | 2015-04-13 | 2015-10-07 | 元壤实业（上海）有限公司 | A kind of emergency exit sign board |
-
2015
- 2015-04-13 CN CN201510172055.5A patent/CN106157847A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101476693A (en) * | 2009-01-20 | 2009-07-08 | 汉得利（常州）电子有限公司 | Caution flasher |
| CN201821263U (en) * | 2010-10-22 | 2011-05-04 | 沈茂盛 | Intelligent front light control power source of city rail train |
| CN202196134U (en) * | 2011-08-10 | 2012-04-18 | 中国北车集团大连机车车辆有限公司 | 110V control circuit grounding monitoring device of diesel locomotive |
| CN204695728U (en) * | 2015-04-13 | 2015-10-07 | 元壤实业（上海）有限公司 | A kind of emergency exit sign board |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2814162A3 (en) | Medium voltage inverter system | |
| CN202309020U (en) | Intelligently-controlled input overvoltage protection circuit and switch power source adopting same | |
| CN205544520U (en) | Automatic energy -conserving charging circuit of pressure regulating | |
| CN204695728U (en) | A kind of emergency exit sign board | |
| CN106157847A (en) | A kind of emergency exit sign board | |
| CN207184858U (en) | A kind of emergency LED lamp | |
| CN205883638U (en) | Electronic transformer for emergency light and power supply circuit thereof | |
| CN204259223U (en) | Energy efficient lighting system | |
| CN201490902U (en) | Resistance-capacitance voltage reduction power circuit | |
| CN205793512U (en) | A kind of LED of fan series connection | |
| CN204538657U (en) | A kind of high sensitivity electrical shock safety protective circuit | |
| CN201029002Y (en) | Creepage warning device of electric apparatus outer shell | |
| CN102651928A (en) | LED fluorescent lamp with over-voltage protection function | |
| CN207179286U (en) | A kind of LED magnet aluminium groove lamp bar | |
| CN104955222A (en) | LED drive power supply | |
| CN205428640U (en) | Digital current transformer | |
| CN204012191U (en) | A kind of negative aeroion circuit for generating | |
| CN204289824U (en) | A kind of Gereral serial pus protection device | |
| CN208623946U (en) | A kind of High Power Factor isolation high light efficiency LED emergency bulb lamp | |
| CN202004421U (en) | Intelligent voice power limiter | |
| CN108110889A (en) | A kind of ups power with automatic switching function | |
| CN203521069U (en) | Power line insulation protecting sheath pipe | |
| CN202602971U (en) | LED lamp with leakage protection function | |
| CN203827548U (en) | Capacitor step-down emergency marker light circuit | |
| CN206542339U (en) | Accident lighting system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161123 |
|
| RJ01 | Rejection of invention patent application after publication |