CN201392571Y

CN201392571Y - Multifunctional alarm device

Info

Publication number: CN201392571Y
Application number: CN200920053143U
Authority: CN
Inventors: 唐佳栋; 陈明望
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-03-23
Filing date: 2009-03-23
Publication date: 2010-01-27
Anticipated expiration: 2019-03-23

Abstract

The utility model discloses a multifunctional alarm device. When a power switch is switched on, commercial power outputs DC voltage after being reduced in voltage by a transformer, being rectified by a bridge rectifier and being filtered by a capacitor; when a working switch is switched on, a working indication lamp is lighted, and the alarm device is in standby state; when certain monitoring part is triggered, a relevant probe can transmit signals, a one-way silicon controlled rectifier is communicated after being triggered, a relay is switched on, the alarm device sends out electric alarms, and an alarm indication lamp is lighted; as the silicon controlled rectifier is kept in on-state after being triggered, a circuit has the function of self-locking; a remote control alarm system is composed of a remote control transmitter and a remote control receiver, so that the alarm methods include local alarm or remote control alarm for selection. The multifunctional alarm device integrates magnetic control, temperature control, optical control and water-level control into one body, is powered by a power supply, has the function of self-locking, leads high sensitivity, can carry out local alarm and remote control alarm, leads low device cost, has simple line circuit, and is easy for operation.

Description

A kind of multifunction alarm device

Technical field

The utility model relates to a kind of multifunction alarm device.

Background technology

Development along with society, rural urbanization, floating population's increase, it is complicated that the condition of public security more becomes, particularly over the past two years in the beautifying city, enforcement along with goal for urban development, forbidding installing the enforcement that policies such as anti-theft net are removed in anti-theft net and old liberated area, how to prevent the generation of major crimes such as burglary, has been an important topic of security protection industry.Therefore, not good enough in view of the current social security condition, thievery happens occasionally.At present general alarm device function is too single, reliability is low, no auto-lock function, complex circuit, easy false triggering, is difficult to solve the safety problem in places such as general family, market, company, warehouse.

Summary of the invention

The purpose of this utility model is to solve safety problems such as family, market, company, plant location, so that set up good civil order, provide a kind of novel have multi-functional, reliability is high, circuit is simple, cost hangs down the alarm that all is suitable under multiple place.

For realizing above purpose, the utility model has been taked following technical scheme: a kind of multifunction alarm device, comprise transformer, filter capacitor, first relay, second relay, charging diode, accumulator, second light emitting diode, one-way SCR, civil power is after the transformer step-down, through with rectifier rectification that the transformer secondary is electrically connected after, output to filter capacitor, the negative electrode of this filter capacitor is electrically connected with the anode of first light emitting diode, negative electrode one end at this first light emitting diode also is electrically connected with first current-limiting resistance, one end of described relay is electrically connected with the anode of light emitting diode, the other end is electrically connected to the other end of first current-limiting resistance, the anode of this charging diode is connected with the positive electrical of described accumulator, the cathodic electricity of described second light emitting diode is connected in the two ends of described charging diode, and its anode outputs to second current-limiting resistance; Also include thermistor, photoresistance, magnetic control probe, water level control probe, it is electrically connected with described one-way SCR by input socket (X1, X2, X3, X4) respectively, the negative electrode of this one-way SCR is electrically connected with second relay, the anode of one-way SCR outputs to the alarm reset switch, this alarm reset switch other end is electrically connected to the 3rd light emitting diode, the 3rd light emitting diode is connected to remote control transmitter by relay switch, and the telepilot transmitter other end outputs to warning output terminal with the letter Chinese percussion instrument after being electrically connected by operating switch.

Also be in series with the first protection diode at described relay two ends.

Also be serially connected with the second protection diode at the described second relay two ends.The first protection diode and the second protection diode play protecting component.

The utility model compared with prior art, have following advantage: the utility model collection magnetic control, temperature control, light-operated, water level are controlled in one, adopt dual power supply, have auto-lock function, highly sensitive, existing machine reported to the police and the multifunction alarm device of remote control alarming; This installation cost is low, circuit is simple, easy to operate.

Description of drawings

Fig. 1 is the utility model circuit theory diagrams.

Embodiment

Below in conjunction with the drawings and specific embodiments content of the present utility model is described in further details.

Embodiment:

See also shown in Figure 1, a kind of multifunction alarm device, comprise transformer T, filter capacitor C1, first relay J 1, second relay J 2, charging diode D7, accumulator U, the second light emitting diode D9, unidirectional controllable silicon S CR, civil power is after transformer T step-down, through with rectifier D rectification that transformer T secondary is electrically connected after, output to filter capacitor C1, the negative electrode of this filter capacitor C1 is electrically connected with the anode of the first light emitting diode D8, negative electrode one end at this first light emitting diode D8 also is electrically connected with the first current-limiting resistance R1, one end of relay J 1 is electrically connected with the anode of light emitting diode D8, the other end is electrically connected to the other end of the first current-limiting resistance R1, the anode of this charging diode D7 is connected with the positive electrical of accumulator U, the cathodic electricity of the second light emitting diode D9 is connected in the two ends of charging diode D7, and its anode outputs to the second current-limiting resistance R2; Also include thermistor Rt, photoresistance Rs, magnetic control probe NS, water level control probe W, it is respectively by input socket (X1, X2, X3, X4) be electrically connected with unidirectional controllable silicon S CR, the negative electrode of this unidirectional controllable silicon S CR is electrically connected with second relay J 2, the anode of unidirectional controllable silicon S CR outputs to alarm reset switch AN, this alarm reset switch AN other end is electrically connected to the 3rd light emitting diode D10, the 3rd light emitting diode D10 is connected to remote control transmitter by relay switch JK2, and the telepilot transmitter other end outputs to warning output terminal with the letter Chinese percussion instrument after being electrically connected by operating switch K4.Form remote control alarming system by remote control transmitter and receiver of remote-control sytem, type of alarm can select this machine to report to the police or tele-alarm.

Further, also be in series with the first protection diode D5 at relay J 1 two ends.Also be serially connected with the second protection diode D6 at second relay J, 2 two ends.

The principle of work of present embodiment is as follows: closed power switch K1 civil power is through transformer T step-down, carry out rectification by rectifier D, after the filter capacitor C1 filtering, output dc voltage and by the charging with diode D7 accumulator U is charged, relay J 1 closure, power light D8 is bright; Closed operating switch K2 relay indicating light D9 is bright, and alarm is ready, when certain monitoring site is triggered, related probes is promptly carried signal, conducting after unidirectional controllable silicon S CR is triggered, relay J 2 closures, the letter Chinese percussion instrument gets electric alarm, alarm lamp D10 is bright, keep conducting state because of controllable silicon SCR triggers the back,, cut off the power supply by civil power so circuit has auto-lock function, relay J 1 discharges by contact JK1, and alarm is automatically converted to the power supply of this machine standby power supply.

Relay J 1 is mainly done the automatic transformation of power supply, J2 makes alarm and drives usefulness, wherein the first current-limiting resistance R1 and the second current-limiting resistance R2 are the current-limiting resistance of the first light emitting diode D8 and the second light emitting diode D9, and X1 ~ X4 is respectively the input socket of temperature control, the control of light-operated, water level, the empty probe of magnetic.Light emitting diode D8 ~ D10 is the duty indication, and unidirectional controllable silicon S CR pilot relay J2 is used for connecting warning circuit.

Temperature probe mainly is made up of thermistor Rt, its resistance of being heated diminishes, trigger unidirectional controllable silicon S CR conducting, when monitoring position (as electric wire, high-power electric appliance, boiler, inflammable thing warehouse etc.) temperature on every side surpassed certain limit, alarm can be reported to the police, when temperature variation, the thermistor resistance also changes, temperature its resistance that raises diminishes, when acquiring a certain degree, and the alarm warning that is triggered; Be applicable to that home dwelling, building villa, factory building, community, market, warehouse, accounting office, office building etc. need the fireproof place.

Light-operated probe mainly is made up of photoresistance Rs, and it is diminished by illumination mechanical resistance value, triggers unidirectional controllable silicon S CR conducting.At ordinary times, when proof box, drawer are closed (or file cabinet is not opened), photo-resistor is unglazed according to the time be high resistance (〉=1M Ω), circuit is in cut-off state, complete machine power consumption this moment is very little, actual measurement quiescent current＜4.5 μ A, when proof box or drawer drew back (or school bag is opened), indoor light shone on the photo-resistor, made its internal resistance descend rapidly (＜50k Ω), alarm is triggered, and sends chimes of doom; Photo-resistor is selected MG44-03 plastic resin-encapsulated photo-resistor for use, its bright resistance≤5k Ω, resistance in the dark 〉=1M Ω, and other photo-resistor also can substitute; Be applicable to proof box, be placed with the places such as file cabinet of topsecret papers.

Magnetic control probe NS mainly is made up of tongue tube and small magnet, makes reed switch conduction or disconnects the controllable silicon work that do not trigger by the variable in distance between it.When door and window is moved, when little magnetic patch and tongue tube distance≤1cm; Two small iron plates in the steel spring pipe are magnetized, and are in contact with one another, and warning circuit is connected, and alarm sends alerting signal; Principle of work: when small magnet chimes of doom sounding not during away from tongue tube, and magnet piece is in case near tongue tube, and alarm is promptly reported to the police in the sound mode, and this just can constitute burglar alarm; Be applicable to that family, company, warehouse, office building, secret chamber etc. need the place of monitoring.

Water level control mainly by insulating base and water level control probe W, is formed, and the two metal probes contact water surface makes its resistance change and triggers controllable silicon work.When water level reached on the warning line, alarm " was rung ", reminded the user to be about to the spilling water phenomenon, please close water valve, in order to avoid cause the waste of water resource; Principle of work is: after water-level probe bumped water, resistance diminished, and circuit is triggered, and alarm is sounded a buzzer; Be applicable to artificial lake, swimming pool, high-rise water tower, water cellar, pond, boiled water room, fishpond, water machine, water tank, water receptacle, pressurized water container, all water storage equipment such as drip tray and need know place of spilling water etc.

Above-listed detailed description is at the specifying of the utility model possible embodiments, and this embodiment is not in order to limiting claim of the present utility model, does not allly break away from the equivalence that the utility model does and implements or change, all should be contained in the claim of this case.

Claims

1, a kind of multifunction alarm device, it is characterized in that: comprise transformer (T), filter capacitor (C1), first relay (J1), second relay (J2), charging diode (D7), accumulator (U), second light emitting diode (D9), one-way SCR (SCR), civil power is after transformer (T) step-down, through with rectifier (D) rectification that transformer (T) secondary is electrically connected after, output to filter capacitor (C1), the negative electrode of this filter capacitor (C1) is electrically connected with the anode of first light emitting diode (D8), negative electrode one end at this first light emitting diode (D8) also is electrically connected with first current-limiting resistance (R1), one end of described relay (J1) is electrically connected with the anode of light emitting diode (D8), the other end is electrically connected to the other end of first current-limiting resistance (R1), the anode of this charging diode (D7) is connected with the positive electrical of described accumulator (U), the cathodic electricity of described second light emitting diode (D9) is connected in the two ends of described charging diode (D7), and its anode outputs to second current-limiting resistance (R2); Also include thermistor (Rt), photoresistance (Rs), magnetic control probe (NS), water level control probe (W), it is respectively by input socket (X1, X2, X3, X4) be electrically connected with described one-way SCR (SCR), the negative electrode of this one-way SCR (SCR) is electrically connected with second relay (J2), the anode of one-way SCR (SCR) outputs to alarm reset switch (AN), this alarm reset switch (AN) other end is electrically connected to the 3rd light emitting diode (D10), the 3rd light emitting diode (D10) is connected to remote control transmitter by relay switch (JK2), and the telepilot transmitter other end outputs to warning output terminal with the letter Chinese percussion instrument after being electrically connected by operating switch (K4).

2, multifunction alarm device as claimed in claim 1 is characterized in that: also be in series with the first protection diode (D5) at described relay (J1) two ends.

3, multifunction alarm device as claimed in claim 2 is characterized in that: also be serially connected with the second protection diode (D6) at described second relay (J2) two ends.