CN87200742U - Brightness-controlling desk lamp with multifunctions: alarm, used in urgency and as door bell - Google Patents

Abstract

The utility model discloses a fixed multifunctional electricity illuminating device, which is characterized in that an alarm circuit, the double voice conversion circuit of an electronic door bell, an emergency lamp for power cut and a dry battery charging circuit are reasonably combined. So the utility model has the multifunction of three alarm methods, used in urgency, as door bell, controlling brightness and charging for the dry battery. The utility model has the advantages of low cost, convenient operation, compact line, power saving and material saving, relieving the burden of the consumer, and being the ideal multifunctional practical desk lamp in the family.

Description

Brightness-controlling desk lamp with multifunctions: alarm, used in urgency and as door bell

The utility model is a kind of fixed electric lighting device, and is a kind of multifunction electric lighting device.

At present, alarm, emergency light, electronic door bell, charger, mistake night-light, desk lamp all are to appear on the market with the single-piece commodity, and every kind of price like this, has not only suppressed groups of people's purchasing psychology, and made indoor installation numerous and disorderly numerous and diverse all more than 8 yuan on price.

The alarm of the interrupted sound and light alarm of all employings is all continued to use conventional practice again in the circuit function arrangement, that is: sensor (sampling of reporting to the police) → master controller (electronic switch) → impulse controller → audio frequency oscillator.Tongjiang, Harbin Transistor Factory " BJ-3A fuel gas safety alarm (Beijing electronics newspaper on April 5th, 86); these circuit quiescent dissipation height; voltage range is narrow; circuit is comparatively complicated; the power supply indication is indicated must divide again with flashing light alarm and is arranged; and function singleness, people do not adapted to the multi-functional requirement of household electrical appliance.And the multifunction alarm device that has is as " multifunctional musical alarm " (86 years the 2nd phases of CYBERSPACE), owing to adopt cmos circuit and music-integrating block, reduced the static exercise consumption, realized multi-functional, but material cost increases, and only a kind of music effect when multiple warning function uses is not simultaneously brought into play people's sense of hearing judgement.

At present because the city power failure, emergency light comes into one's own, and (Beijing electronics newspaper on January 25th, 86) relay of employing is controlled bright conversion, not only the cost height of putting out of stand-by lamp in " simple and practical stand-by lamp " literary composition, the static exercise consumption is big, and because directly electrical network is dangerous.

Commercially available at present " toy formula economized on electricity night-light " actual power consumption is more than 5W, and because the overheated power supply short circuit that often occurs, light fixture burns; Because directly child's electric shock accidents also takes place in electrical network easily.

The purpose of this utility model is to provide a kind of can the illumination exactly, has three kinds of warnings again, emergent, the dry battery charge of having a power failure, small light source spends the night and the multi-functional practicality desk lamp of electronic door bell.

The utility model warning circuit has adopted the pulse power supply mode, and its functional sequence is: pulse power supply controller → sensor (alarm sampling) → audio frequency oscillator, and its operation principle division is as follows:

As shown in Figure 1, connect K switch ₁Electric current is through resistance R ₂To capacitor C ₂C is worked as in charging ₂Current potential is elevated to by triode BG ₂, BG ₃, resistance R ₄, R ₅During the simulation single crystals circuit turn-on formed, capacitor C ₂By current-limiting resistance R ₂, triode BG ₂BG ₃, LED discharge, LED is luminous, one group of sensor jack simultaneously in parallel with LED, JK ₁, JK ₂, JK ₃The 2V left and right sides voltage stabilizing that obtains being provided by LED is powered, and at this moment, B point current potential is lower than LED, triode BG ₅Conducting voltage, by triode BG ₅, BG ₆, resistance R ₁₀, R ₁₁, capacitor C ₁₁The audio frequency oscillator of forming is not worked, and loudspeaker y is mute, and LED is by capacitor C ₂To triode BG ₂, BG ₃The discharge frequency flicker is normal with the power supply of indication power supply.Flicker frequency is by resistance R ₂Decision.Plug J ₁Insert jack JK ₁After, resistance R ₇By thermistor R ₁₂At this moment short circuit has only when temperature and falls in below 28 ℃, and thermistor will appreciate to more than 20 kilo-ohms, and B point potential rise is to diode D ₇, triode BG ₅Loudspeaker y just pronounces during conducting voltage, otherwise loudspeaker y is noiseless, and promptly temperature is not being reported to the police more than 28 ℃.

As theft-proof sensor J ₂Insert jack JK ₂The time, JK ₂The inside short circuit become outside short circuit, in case external fine rule α is broken, B point potential rise is to the 2V, loudspeaker y sends the police car chimes of doom.As urine wet sensor J ₃Insert jack JK ₃In case interdigitated is applied copper and is pulled K and urinated wetly, is equivalent to resistance R ₆By short circuit, B point current potential raises, and makes the B point current potential of time spent a little more than thermistor, and loudspeaker y sends the pulse chimes of doom, and tone is higher than the warning of suffering from cold.

The double-tone translation circuit of electronic door bell is by triode BG ₄, diode D ₈, D ₉, D ₁₀, resistance R ₈, R ₉, D ₁₀Resistance R ₈, R ₉And capacitor C ₃Form plug J ₄Insert jack JK ₄, connect doorbell switch K ₄Electric current one tunnel is through diode D ₉, resistance R ₈, R ₁₀, audio frequency oscillator, loudspeaker y sends " miaow " sound; Another road of electric current is through resistance R ₉, diode D ₈To capacitor C ₃C is worked as in charging ₃Current potential is elevated to and can makes triode BG ₄Diode D ₁₀During conducting, A point current potential is because triode BG ₄Conducting and descend, this moment, loudspeaker y sent out " many " sound.The phonation of doorbell is: press doorbell switch K ₄Loudspeaker y sends out " miaow ", " many "---double-tone.Diode D in the accompanying drawing 1 ₇, D ₈Play the reversing the current blocking effect, D ₁₀Improve A point current potential.

Power failure emergency light and dry battery charge circuit are by triode BG ₁, resistance R ₁K switch ₂, miniature bulb ZD ₁And dry cell E forms.During mains supply, triode BG ₁About base stage 7V, be higher than emitter stage 6V current potential, triode BG ₁End, power supply is through resistance R ₁Dry cell E is charged.Grid power blackout, triode BG ₁Saturation conduction, dry cell is by triode BG ₁Base stage is powered to alarm, by colelctor electrode to emergency light ZD ₁Power supply, ZD ₁Light.Have a power failure the back as not using emergency light ZD for a long time ₁But, toggle switch K ₂Emergency light goes out, and makes it to connect electric network source, emergency light ZD during incoming call ₁It is bright so that indication will be dialled back K switch ₂Having a power failure next time.If emergency light ZD ₁Always connect electric network source so emergency light just become small light source to cross night-light.Diode D ₅Play the effect of electric current reverse blocking, emergency light is lighted to avoid having a power failure daytime.

Desk lamp bulb of the present utility model can use the 2 μ F220V electric capacity light modulations of incandescent lamp string, also can use the efficient electricity-saving fluorescent lamp.Adopt 15 6.3V in this example, the 0.1A pilot bulb divides three groups every group 5 string 0.6 μ F capacitor C ₅-C ₇In parallel after the step-down with power supply, overlapping 5 little reflection shields (flashlight reflection shield) respectively, put light source on the reflection shield focus near on one group of 5 bulb of flexible pipe.K ₃Be dimmer switch.

The utility model adopts light yellow plastic lamp base, plastic flexible pipe, and the parabolic white plastic lampshade that inner surface is bright and clean, the light modulation of third gear key switch control desk lamp, 1 * 2 little toggle switch is as the emergency light switch and remove alarm switch K ₂, K ₁The all the sensors jack places the lamp socket back, makes sensor lead hidden, thereby unlikely influence is indoor clean and tidy.

The utility model has following effect and advantage:

1. voltage range wide (220V ± 15%), static power consumption low (only about 10 milliwatts)

2. pulse flash of light indication is share a light emitting diode with power supply power supply indication, simple in circuits,

3. suffering from cold reports to the police reports to the police in 15 seconds pressing out quilt, builds alarm release in the quilt 10 seconds.

4. used batteries two atmospheric electricity that charge push back and rise about 0.3V, and the back dry cell power supply response time that has a power failure was less than 0.1 second.

5. three kinds of warnings, doorbell uses the function that is independent of each other simultaneously, and sounding is different, and the favourable sense of hearing is judged.

6. change resistance R ^* ₆Resistance, anti-cool sensor can be reported to the police under daily any temperature, and burglar alarm can be provided with multi-path monitoring simultaneously.Wetting the bed reports to the police can make daily any humidity warning and electrical short-circuit detection usefulness.Because the used probe of sensor is the high resistant probe, so lead length does not influence warning function.

7. desk lamp is as with miniature bulb grouping series connection, about power consumption 9W, and reading lighting requirement under enough lamps, light is soft, and light modulation is convenient.

8. this circuit elements requirement on devices is not high, and cost is low, and volume is little, and all components and parts and No. 1 dry cell of four joints can be placed in the appearance that does not influence the desk lamp grace in the Desk lamp feet loosely.

Accompanying drawing 1 is the utility model electrical schematic diagram, and accompanying drawing 2 is the right view of the utility model profile, and accompanying drawing 3 is a front view, and accompanying drawing 4 is a left view, in accompanying drawing 2, accompanying drawing 3, the accompanying drawing 4: (1) K switch ₁(2), (3), (4), (5) doorbell, antitheft, anti-cool, bed-wetting sensor jack, (6) power line, (7) plastic lamp base, (8) be enclosed within 5 little reflection shields on the miniature bulb, (9) plastic lamp shade, (10) plastic flexible pipe, (11) emergency light reflection shield, (12) light emitting diode, (13) key switch, (14) K switch ₂

In the utility model most preferred embodiment, select for use component specification and parameter as follows:

Transformer B is the following transformer of 1W, diode D ₁-D ₄Be 2CZ series.D ₅-D ₁₀Be 2CP series, capacitor C ₁Be 50 μ F, capacitor C ₂, C ₃Be 50 μ F～100 μ F capacitor C ₄Be 0.001 μ F, the withstand voltage 10V of above electric capacity.Resistance R ₁: 2-4 kilo-ohm, R ₂: 10-15 kilo-ohm, R ₃: 2-4 kilo-ohm, R ₄: 5-10 kilo-ohm, R ₅: 15～30 kilo-ohms, R ₆: 10-30 kilo-ohm, R ₇: 10-20 kilo-ohm, R ₈: 150-180 kilo-ohm, R ₉: 8-12 kilo-ohm, R ₁₀: 30-40 kilo-ohm, R ₁₁: 1-2 kilo-ohm, R ₁₂15-25 kilo-ohm thermistor when selecting 20 ℃ for use, above resistor power is 1/8W.LED is selected φ 2mm, redness for use, triode BG ₁Select 3AX series for use, BG ₂, BG ₆Select 3CG series for use, BG ₃, BG ₄, BG ₅Select 3DG series for use.Loudspeaker y selects 8 Europe, 0.25W for use, and dry cell is 4 joint 1.5V1 batteries, and ac capacitor is 0.6 μ F/220V, miniature bulb ZD ₁-16 use the 6.3V0.1A pilot bulb.

Claims (4)

1, a kind of fixed multifunction electric lighting device is characterized in that circuit is formed by double-tone translation circuit, power failure emergency light and the dry battery charge combination of circuits of warning circuit, electronic door bell.

2, lighting device according to claim 1 is characterized in that warning circuit adopts earlier via triode BG ₂, BG ₃, resistance R ₂, R ₃, R ₄, R ₅The simulation single crystals circuit of forming is to the LED pulse power supply, and utilizes the pressure stabilization function of LED, to sensor J ₁, J ₂, J ₃Stable operating voltage is provided, removes directly to control the audio frequency oscillator circuit by the state variation of sensor again.

3, lighting device according to claim 1, the double-tone translation circuit that it is characterized in that electronic door bell is by triode BG ₄, diode D ₈, D ₉, D ₁₀, resistance R ₈, R ₉And capacitor C ₃Form.

4, lighting device according to claim 1, it is characterized in that having a power failure emergency light and dry battery charge circuit adopt at triode BG ₁Power under the on off state automatic conversion with emergency light.