CN204964605U - Mains failure reputation reminding device - Google Patents
Mains failure reputation reminding device Download PDFInfo
- Publication number
- CN204964605U CN204964605U CN201520606947.7U CN201520606947U CN204964605U CN 204964605 U CN204964605 U CN 204964605U CN 201520606947 U CN201520606947 U CN 201520606947U CN 204964605 U CN204964605 U CN 204964605U
- Authority
- CN
- China
- Prior art keywords
- power
- circuit
- power failure
- photoelectrical coupler
- negative pole
- 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.)
- Expired - Fee Related
Links
Landscapes
- Stand-By Power Supply Arrangements (AREA)
Abstract
The utility model discloses a mains failure reputation reminding device, its characteristic includes: the circuit is reminded to 220V alternating current power supply, alternating current detection and the normal power supply indicating circuit, power failure reputation, the alternating current detect and the normal power supply indicating circuit in the model chooseed for use of optoelectronic coupler IC1 for 4N25. In the area that often has a power failure, have a power failure the back because of a variety of causes not switch -on in time happen occasionally with the thing of electrical apparatus power, be equipped with the self -closing function with electrical apparatus after equipment has a power failure a bit, need the artificial intervention just can the work of returning to normal, if: poultry electricity incubation device can not in time be discover in case have a power failure, gently then causes the poultry hatching to educate a rate and reduces, heavy then cause very big economic loss, for another example: electric heater utensils such as electric iron resume the power supply back in case have a power failure again, and electric iron looks after at nobody and buries conflagration hidden danger under the condition very easily. Consequently, in order to overcome above -mentioned defect, the utility model discloses a mains failure reputation reminding device.
Description
Technical field
The utility model belongs to electrical technology field, relates to a kind of mains failure sound-light reminding device.
Background technology
Some electric equipment, when AC power occurs therefore has a power failure, needs automatically to send prompting, informs that managerial personnel understand fully situation as early as possible or get rid of line fault in time.In the area often had a power failure, the thing not connecting electrical appliance power supply in time because of a variety of causes after power failure happens occasionally, after some equipment has a power failure, electrical appliance is provided with automatic closing function, need manual intervention just can recover normal work, as: poultry electricity incubation equipment, once have a power failure and can not be found in time, gently then cause poultry hatching to bring out rate and reduce, heavy then cause very large economic loss; For another example: the electrical heated appliances such as electric iron, once have a power failure restore electricity again after, electric iron is easy to bury disaster hidden-trouble under nobody looks after situation.Therefore, in order to overcome above-mentioned defect, being necessary design, developing a kind of mains failure sound-light reminding device.
Below describe in detail mains failure sound-light reminding device described in the utility model necessity involved in implementation process, guardian technique content.
Utility model content
Goal of the invention and beneficial effect: in the area often had a power failure, the thing not connecting electrical appliance power supply in time because of a variety of causes after power failure happens occasionally, after some equipment has a power failure, electrical appliance is provided with automatic closing function, need manual intervention just can recover normal work, as: poultry electricity incubation equipment, once have a power failure and can not be found in time, gently then cause poultry hatching to bring out rate and reduce, heavy then cause very large economic loss; For another example: the electrical heated appliances such as electric iron, once have a power failure restore electricity again after, electric iron is easy to bury disaster hidden-trouble under nobody looks after situation.Therefore, in order to overcome above-mentioned defect, devise a kind of mains failure sound-light reminding device.
Circuit working principle: the left side of mains failure sound-light reminding device fundamental diagram is alternating current detecting portion, right side forms power failure acousto-optic by NPN transistor VT1, resistance R3, LED 2 and hummer HA and reminds drive part.
When 220V AC power normal power supply, 220V AC power obtains about 300V DC voltage through silicon rectifier diode D1 half-wave rectification, electric capacity C1 filtering: a road indicates for LED 1 through current-limiting resistance R1; The 1st pin of photoelectrical coupler IC1 is delivered to through step-down current-limiting resistance R2 in another road, make that its interior light emitting diodes is lighted, the conducting of phototriode emitter junction, 5th pin (i.e. phototriode collector) of photoelectrical coupler IC1 is in electronegative potential, make NPN transistor VT1 be in cut-off state, hummer HA and LED 2 cannot be driven normally to work;
When 220V AC power has a power failure suddenly, LED 1 extinguishes, DC voltage between 1st pin of supply photoelectrical coupler IC1 and the 2nd pin also suddenly disappears, the emitter junction of phototriode is made to be in cut-off cut-off state, the 5th pin pin current potential of photoelectrical coupler IC1 raises, make NPN transistor VT1 obtain being biased and conducting, thus drive hummer HA and LED 2 to work.
Technical scheme: mains failure sound-light reminding device, it comprises 220V AC power, alternating current detects and normal power supply indicating circuit, power failure acoustic-optic reminding circuit, it is characterized in that:
Alternating current detects and normal power supply indicating circuit: it is by silicon rectifier diode D1, electric capacity C1, current-limiting resistance R1, LED 1, step-down current-limiting resistance R2 and photoelectrical coupler IC1 forms, the model that photoelectrical coupler IC1 selects is 4N25, 220V AC power live wire end L connects the positive pole of silicon rectifier diode D1, the negative pole of silicon rectifier diode D1 connects one end of electric capacity C1, the positive pole of LED 1 connects the negative pole of silicon rectifier diode D1 by current-limiting resistance R1, the other end of electric capacity C1 and the negative pole of LED 1 meet 220V AC power zero line side N, 1st pin of photoelectrical coupler IC1 connects the negative pole of silicon rectifier diode D1 by step-down current-limiting resistance R2, 2nd pin of photoelectrical coupler IC1 meets 220V AC power zero line side N,
Power failure acoustic-optic reminding circuit: it is by 3V direct supply, photoelectrical coupler IC1, NPN transistor VT1, biasing resistor R3, LED 2 and direct current hummer HA form, 5th pin of photoelectrical coupler IC1 and the base stage of NPN transistor VT1 are by biasing resistor R3 connection circuit positive pole VCC, the negative pole of collector sending and receiving optical diode LED2 of NPN transistor VT1 and the negative pole of direct current hummer HA, the positive pole of LED 2 and the positive pole connection circuit positive pole VCC of direct current hummer HA, 4th pin of photoelectrical coupler IC1 and the emitter connection circuit ground GND of NPN transistor VT1,
The positive pole of 3V direct supply is connected with circuit anode VCC, and the negative pole of 3V direct supply is connected with circuit ground GND.
Accompanying drawing explanation
Accompanying drawing 1 is the embodiment circuit working schematic diagram that the utility model provides a mains failure sound-light reminding device; Accompanying drawing 2 is photoelectrical coupler IC1 pin distribution plan and photoelectrical coupler appearance figure.
Embodiment
According to the mains failure sound-light reminding device circuit working schematic diagram shown in accompanying drawing 1 and accompanying drawing explanation, and according to annexation between components and parts in each several part circuit described in utility model content, and components and parts technical parameter described in embodiment requires and circuit production main points are carried out enforcement and can be realized the utility model, is further described correlation technique of the present utility model below in conjunction with embodiment.
The technical parameter of components and parts and selection requirement
IC1 is photoelectrical coupler, and the model selected is 4N25, and packing forms is 6 pins, DIP encapsulation;
VT1 is NPN transistor, and the model selected is 2SC9013, requires enlargement factor β >=140;
D1 is silicon rectifier diode, and the model selected is 1N4007;
C1 is electric capacity, and select capacity to be 0.22 μ F electric capacity of the dacron, it is withstand voltage is 450V;
R1 is dropping resistor, and its resistance is 100K Ω, power is 1W; R2 is step-down current-limiting resistance, and its resistance is 100K Ω, power is 1/2W; R3 is biasing resistor, and its resistance is 22K Ω, power is 1/4W;
LED1 and LED2 is light emitting diode, selects diameter ￠ 5mm high brightness green light emitting diode and High brightness Red LED respectively;
HA is hummer, requires that it is built-in with audio generating circuit, uses the direct current hummer that voltage is 3V;
DC is direct supply, uses 2 joint 5#1.5V alkaline batteries.
Circuit production main points and circuit debugging
Because the circuit structure of mains failure sound-light reminding device is fairly simple, comparison is easy, as long as the electronic devices and components performance generally selected is intact, and the components and parts annexation to specifications in accompanying drawing 1 is welded, physical connection line and welding quality are through carefully checking correctly, and circuit of the present utility model does not need to carry out any debugging and can normally work.
Points for attention: when meeting mains failure sound-light reminding device and sending alarm, must make line outage reason clear, if having a power failure can processing circuitry in outside line; If internal wiring causes power failure, safety at power cut must be understood, as: certain accident causes tripping operation power-off, or internal wiring needs maintenance and has a power failure, electricity consumer must correctly judge, be short-circuited after fault to consumer especially, when not clear failure condition, electricity consumer could blindly close a floodgate power transmission! Otherwise the easily power transmission because of false judgment, likely causes fault coverage to expand or the accidents such as electric shock occurs, must treat that line fault processes and deal with problems arising from an accident, can manual power transmission.
Circuit structure design of the present utility model, components' placement; and the shape of its outward appearance and size etc. are not all gordian techniquies of the present utility model; neither the claimed guardian technique content of the utility model; because not affecting the realization of the utility model specific implementation process and utility model object, therefore do not illustrate one by one in the description.
Claims (1)
1. a mains failure sound-light reminding device, it comprises 220V AC power, alternating current detects and normal power supply indicating circuit, power failure acoustic-optic reminding circuit, it is characterized in that:
Described alternating current detection and normal power supply indicating circuit are by silicon rectifier diode D1, electric capacity C1, current-limiting resistance R1, LED 1, step-down current-limiting resistance R2 and photoelectrical coupler IC1 forms, the model that photoelectrical coupler IC1 selects is 4N25, 220V AC power live wire end L connects the positive pole of silicon rectifier diode D1, the negative pole of silicon rectifier diode D1 connects one end of electric capacity C1, the positive pole of LED 1 connects the negative pole of silicon rectifier diode D1 by current-limiting resistance R1, the other end of electric capacity C1 and the negative pole of LED 1 meet 220V AC power zero line side N, 1st pin of photoelectrical coupler IC1 connects the negative pole of silicon rectifier diode D1 by step-down current-limiting resistance R2, 2nd pin of photoelectrical coupler IC1 meets 220V AC power zero line side N,
Described power failure acoustic-optic reminding circuit is by 3V direct supply, photoelectrical coupler IC1, NPN transistor VT1, biasing resistor R3, LED 2 and direct current hummer HA form, 5th pin of photoelectrical coupler IC1 and the base stage of NPN transistor VT1 are by biasing resistor R3 connection circuit positive pole VCC, the negative pole of collector sending and receiving optical diode LED2 of NPN transistor VT1 and the negative pole of direct current hummer HA, the positive pole of LED 2 and the positive pole connection circuit positive pole VCC of direct current hummer HA, 4th pin of photoelectrical coupler IC1 and the emitter connection circuit ground GND of NPN transistor VT1,
The positive pole of described 3V direct supply is connected with circuit anode VCC, and the negative pole of 3V direct supply is connected with circuit ground GND.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520606947.7U CN204964605U (en) | 2015-08-13 | 2015-08-13 | Mains failure reputation reminding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520606947.7U CN204964605U (en) | 2015-08-13 | 2015-08-13 | Mains failure reputation reminding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204964605U true CN204964605U (en) | 2016-01-13 |
Family
ID=55059661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520606947.7U Expired - Fee Related CN204964605U (en) | 2015-08-13 | 2015-08-13 | Mains failure reputation reminding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204964605U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067869A (en) * | 2015-08-13 | 2015-11-18 | 何林 | Municipal power failure sound/light reminding device |
-
2015
- 2015-08-13 CN CN201520606947.7U patent/CN204964605U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067869A (en) * | 2015-08-13 | 2015-11-18 | 何林 | Municipal power failure sound/light reminding device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201975637U (en) | Household power failure alarming and electric appliance protecting power supply socket | |
| CN203062057U (en) | Input default phase protection circuit for electric welding machine | |
| CN204964605U (en) | Mains failure reputation reminding device | |
| CN105098995B (en) | On off state supervising device in a kind of transformer station's cabinet | |
| CN202817702U (en) | Current leakage protection device | |
| CN103941618A (en) | Power-restoring-after-power-failure automatic delaying power distribution device | |
| CN102655323A (en) | Automatic identification and conversion circuit for alternating current zero and live wires | |
| CN105067869A (en) | Municipal power failure sound/light reminding device | |
| CN108224790B (en) | Ground wire live detection device and electric water heater | |
| CN204103474U (en) | Pull out electrical protective device | |
| CN206542028U (en) | A kind of connection electric wire that there is short circuit to point out | |
| CN204631185U (en) | Fuse electric loading Intelligent indicating device | |
| CN204376371U (en) | AC power power failure alarm set | |
| CN205017100U (en) | Switch condition monitoring device in transformer substation's cabinet | |
| CN204270455U (en) | Electrical fire monitoring device | |
| CN202307765U (en) | Audible and visual alarm fuse device | |
| CN203166244U (en) | Light-controlled power source socket | |
| CN203535153U (en) | PE detection device | |
| CN104638602A (en) | Alternating current power source power-off prompting device | |
| CN102570200A (en) | Multi-purpose delayed power socket | |
| CN206557573U (en) | A kind of coffee machine standby zero power consumption circuit | |
| CN201118192Y (en) | Controller for limiting power utilization | |
| CN204794013U (en) | Earth -leakage protector control circuit | |
| CN204389601U (en) | Heterogeneous electric lack detection circuit | |
| CN204536399U (en) | A kind of alterating and direct current detection system |
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: 20160113 Termination date: 20160813 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |