CN2119706U - Lighting button door bell - Google Patents
Lighting button door bell Download PDFInfo
- Publication number
- CN2119706U CN2119706U CN 92213733 CN92213733U CN2119706U CN 2119706 U CN2119706 U CN 2119706U CN 92213733 CN92213733 CN 92213733 CN 92213733 U CN92213733 U CN 92213733U CN 2119706 U CN2119706 U CN 2119706U
- Authority
- CN
- China
- Prior art keywords
- button
- circuit
- doorbell
- emitting diode
- light emitting
- 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.)
- Granted
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- Audible And Visible Signals (AREA)
Abstract
The utility model discloses a lighting button door bell comprising a press-button circuit (1) and a doorbell circuit (2). The utility model is characterized in that the press-button circuit (1) is provided with an indicator light V1 which is in parallel connection with the press-button SB; one end of a resistor R2 is connected with the communal end of the power source and the other end is connected with the end of the non-power source connection wire of the push-button SB. The branch of the indicator light V1 in parallel connection with the button SB is connected in series with a resistor R10. The indicator light V1 is a light emitting diode.
Description
The utility model belongs to telltale, particularly relates to a kind of Family Day convectional signals device.
Home-use doorbell belongs to the music electronic doorbell mostly at present, mainly is made of music-integrating block, button, amplifirer and loudspeaker, and button position is not had distinguishing mark.By the patent " doorbell---whereabouts indicator " of Yunnan Polytechnical College in application on April 27th, 1988, application number is 88205177.6, this indicator is except that the 26S Proteasome Structure and Function with general doorbell, also increased the light emitting diode indicator of indication user whereabouts, to be light emitting diode be connected to the collector of power tube by selector switch to its shortcoming, and therefore no matter whether doorbell rings, and power tube is in running order always, thereby cause power consumption big, fragile and complex structure.
The purpose of this utility model provides a kind of illuminated push button doorbell low in energy consumption, simple in structure.
The utility model is that it comprises button circuit (1), doorbell circuit (2), has the pilot lamp V that is connected in parallel with button SB in button circuit (1) to a kind of improvement of existing electronic door bell
1, resistance R
2The public end of a termination power and the other end is connected with the non-supply terminals of button SB.
At the pilot lamp V that is connected in parallel with button SB
1Branch road in be serially connected with resistance R
1, pilot lamp V
1Be light emitting diode.
Between two electrodes of power supply E, be connected to by resistance R
1, light emitting diode lamp V
1, resistance R
2The branch road that constitutes, when button SB disconnected, doorbell circuit (2) was not worked, light emitting diode lamp V
1Light, the position of instruction button SB is when pressing the button SB, when promptly button SB connects, because resistance R always
1With light emitting diode lamp V
1The branch road that is concatenated into is by short circuit, light emitting diode lamp V
1Extinguish, doorbell circuit (2) work, loudspeaker Y sounds.
The utility model only increases by two resistance and a light emitting diode on the basis of existing electronic door bell, structure is very simple, cost is low, power consumption is little.
Embodiment:
Power supply E saves 1.5 volts of No. 5 batteries, light emitting diode V with one
1Be directly installed on the button SB, be connected resistance R with two heart yearns between button circuit (1) and the doorbell circuit (2)
1, R
2Be respectively 13K Ω, 1.8K Ω, light emitting diode V
1Be HE1104, electronic door bell (2) is used XL-888Z.
Claims (3)
1, illuminated push button doorbell comprises button circuit (1), doorbell circuit (2), it is characterized in that having the pilot lamp V that is connected in parallel with button SB in button circuit (1)
1, the public end of a termination power of the resistance R 2 and other end is connected with the non-supply terminals of button SB.
2, illuminated push button doorbell according to claim 1 is characterized in that at the pilot lamp V that is connected in parallel with button SB
1Be serially connected with resistance R in the branch road
1
3, illuminated push button doorbell according to claim 1 is characterized in that pilot lamp V
1Be light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92213733 CN2119706U (en) | 1992-04-17 | 1992-04-17 | Lighting button door bell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92213733 CN2119706U (en) | 1992-04-17 | 1992-04-17 | Lighting button door bell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2119706U true CN2119706U (en) | 1992-10-21 |
Family
ID=4958407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92213733 Granted CN2119706U (en) | 1992-04-17 | 1992-04-17 | Lighting button door bell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2119706U (en) |
-
1992
- 1992-04-17 CN CN 92213733 patent/CN2119706U/en active Granted
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |