CN106569011A - Storehouse power outage monitoring device having sound-light alarm function - Google Patents

Abstract

The invention discloses a storehouse power outage monitoring device having a sound-light alarm function. The storehouse power outage monitoring device comprises a voltage transformation module, a rectification module, a filtering module, a voltage stabilizing circuit, a charging battery and a sound-light alarm module. The voltage transformation module is connected with a phase line input line and a zero line input line. A relay is connected between the phase line input line and the zero line input line. The voltage stabilizing circuit comprises an NPN triode, a third resistor and a fourth voltage stabilizing tube. The sound-light alarm module comprises a second resistor, a loudspeaker and an LED lamp bead group. The LED lamp bead group comprises multiple LED lamp beads which are connected in series and voltage stabilizing tubes which have the same number with the LED lamp beads. Each LED lamp bead is correspondingly connected in parallel with a reverse voltage stabilizing tube. The storehouse power outage monitoring device having the sound-light alarm function is simple in overall structure, less in usage of parts and components and low in cost and can be applied to the work personnel duty area for alarming.

Description

A kind of storehouse power-off monitoring device with acousto-optic warning function

Technical field

The present invention relates to storehouse environmental monitoring technology, the specifically a kind of monitoring of the storehouse power-off with acousto-optic warning function dress Put.

Background technology

With expanding economy and science and technology progress, people life in it is alternative including food, medicine, health product, Cosmetics, medical apparatus and instruments increasingly enrich in the species of interior " tool of four product one ", people when purchase mostly it will be noted that The date of manufacture and shelf-life of mark, storage condition is often ignored, and storage condition is the key for affecting shelf-life length Factor, if there is a problem of that storage is not good at before by buying, " tool of four product one " that people is bought can go bad in advance, hold Personal injury is easily caused, therefore it is highly important link to store food, the storehouse environmental monitoring of medicine.

For the ease of monitoring storehouse environment, existing storehouse is generally equipped with monitoring system, however, storehouse environmental monitoring now The alarming device that system is equipped with quits work when power is off, and this have impact on the popularization and application of storehouse environmental monitoring system.

The content of the invention

It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of storehouse with acousto-optic warning function breaks Power utilization monitoring device, its overall structure is simple, facilitate implementation, with low cost, and acousto-optic police is sent in environmental monitoring system power-off Show.

The purpose of the present invention is achieved through the following technical solutions：A kind of prison of the storehouse power-off with acousto-optic warning function Survey device, including acousto-optic warning module and the voltage changing module, rectification module, filtration module, mu balanced circuit and the charging that are sequentially connected with Battery, the voltage changing module is connected with phase line input line and zero line input line, between the phase line input line and zero line input line It is connected with relay；The mu balanced circuit includes NPN triode, 3rd resistor and stabilivolt four, the current collection of the NPN triode Pole and emitter stage are connected respectively with filtration module positive pole and rechargeable battery positive pole, described 3rd resistor one end and NPN triode collection Connection between electrode and filtration module positive pole, its other end is connected with the base stage of NPN triode, and the stabilivolt four is negative Pole is connected on the circuit between 3rd resistor and NPN triode base stage, and the positive pole of stabilivolt four is connected with negative electrode of chargeable battery；Institute Acousto-optic warning module is stated including resistance two, speaker and LED lamp bead group, the LED lamp bead group includes the LED lamp bead of multiple series connection And with LED lamp bead quantity identical stabilivolt, the stabilivolt of each LED lamp bead correspondence one reversal connection of parallel connection, the resistance two with The first connection in series-parallel branch road of composition in parallel with speaker, the positive pole and rechargeable battery of the first connection in series-parallel branch road after the series connection of LED lamp bead group Positive pole connection, normally opened output switch one end of the relay and the circuit between negative electrode of chargeable battery and filtration module connect Connect, its other end is connected with the negative pole of the first connection in series-parallel branch road.Wherein, phase line input line and zero line input line when the present invention is applied It is connected on the outlet line of power supply, the keying of normally opened output switch is controlled by relay.

The mu balanced circuit also includes electric capacity two, between the one end of the electric capacity two and NPN triode base stage and 3rd resistor Connection, its other end is connected with negative electrode of chargeable battery.

The rectification module includes two inputs and two outfans, two inputs of rectification module and voltage changing module Connection, two outfans of rectification module are connected respectively with filtration module negative pole and NPN triode colelctor electrode.Wherein, rectification mould When block is connected with voltage changing module, two input connects one to one with the outfan of voltage changing module two.

The filtration module includes resistance one and electric capacity one, and the one end of the resistance one is connected with rectification module outfan, its The other end is connected with negative electrode of chargeable battery, and the circuit between the one end of the electric capacity one and rectification module outfan and resistance one connects Connect, the connection between its other end and rectification module outfan and NPN triode colelctor electrode.

Preferably, the rectification module is bridge rectifier.

Electric fuse is in series with the phase line input line.Wherein, it is avoided that control source is too high in the presence of electric fuse The components and parts of the present invention are caused to damage.

Preferably, the LED lamp bead group includes the LED lamp bead of three series connection.

Compared with prior art, the invention has the advantages that：（1）Overall structure of the present invention is simple, using first device Part is few, facilitates implementation, with low cost, and then is easy to the popularization and application of the present invention；Phase line input line and zero line when the present invention is applied Input line is connected on the outlet line of power supply, and power supply to relay and voltage changing module are powered, the voltage Jing of voltage changing module output Charge to rechargeable battery after over commutation module rectification, filtration module filtering and mu balanced circuit voltage stabilizing；The present invention after a loss of power, relay Device closes normally opened output switch, and rechargeable battery is connected and for acousto-optic warning module for power supply, LED lamp bead group with acousto-optic warning module Middle LED lamp bead lights, while speaker sends alert notification operating personnel.

（2）The LED lamp bead group of the present invention includes the LED lamp bead of multiple series connection, and in LED lamp bead group in each LED lamp bead The stabilivolt of a reversal connection is parallel with, thus, when the present invention is applied, what stabilivolt in parallel was constituted in each LED lamp bead props up Road constitutes the protection circuit of acousto-optic warning module, and when the lamp bead of certain LED lamp bead occurs open circuit, stabilivolt connected in parallel is thrown Enter work, so as to be avoided that circuit occurs open circuit, the present invention using when be avoided that single led lamp bead is damaged and affects what is indicated Accuracy, further increases the reliability when present invention is applied；When acousto-optic warning module has multiple LED lamp beads, can carry High luminous intensity.

（3）The mu balanced circuit of the present invention includes NPN triode, 3rd resistor and stabilivolt four, when the present invention is applied, this Invention utilizes the voltage clamp characteristic of stabilivolt, when the backward voltage of stabilivolt four reaches its breakdown voltage rating, stabilivolt Four will occur that avalanche type turns on effect, and so as to clamp the voltage on load voltage value, the present invention is put again by NPN triode Big adjustment voltage, and then the voltage stabilizing requirement to charging voltage is completed, thus, being avoided that the charging voltage to rechargeable battery is unstable And cause rechargeable battery to damage.

Description of the drawings

Fig. 1 is the structural representation of the embodiment of the present invention.

It is entitled corresponding to reference in accompanying drawing：1st, phase line input line, 2, zero line output line, 3, rectification module, J1, Relay, B, voltage changing module, E, rechargeable battery, R1, resistance one, R2, resistance two, R3,3rd resistor, C1, electric capacity one, C2, electricity Two, Q1 of appearance, NPN triode, Y1, speaker, LED1, LED lamp bead one, LED2, LED lamp bead two, LED3, LED lamp bead three, DW1, Stabilivolt one, DW2, stabilivolt two, DW3, stabilivolt three, DW4, stabilivolt four, KJ, normally opened output switch, FU, electric fuse.

Specific embodiment

With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited In this.

Embodiment：

As shown in figure 1, a kind of storehouse power-off monitoring device with acousto-optic warning function, including relay J1, voltage changing module B, Rectification module 3, filtration module, mu balanced circuit, rechargeable battery E and acousto-optic warning module, wherein, voltage changing module B is connected with phase line Input line 1 and zero line input line 2, are in series with electric fuse FU in phase line input line 1.Relay J1 phase lines input and zero line are input into End is connected respectively with phase line input line 1 and zero line input line 2.Mu balanced circuit includes NPN triode Q1,3rd resistor R3, voltage stabilizing The DW4 of the pipe four and C2 of electric capacity two, wherein, the collector and emitter of NPN triode Q1 is electric with filtration module positive pole and charging respectively Pond E positive pole connections, the connection between 3rd resistor R3 one end and NPN triode Q1 colelctor electrode and filtration module positive pole, its The other end is connected with the base stage of NPN triode Q1, and the DW4 negative poles of stabilivolt four are connected to 3rd resistor R3 and NPN triode Q1 base On circuit between pole, the DW4 positive poles of stabilivolt four are connected with rechargeable battery E negative poles.The C2 one end of electric capacity two and NPN triode Q1 base Connection between pole and 3rd resistor R3, its other end is connected with rechargeable battery E negative poles.

Rectification module 3 includes two inputs and two outfans, two inputs and the voltage changing module B of rectification module 3 Connection, two outfans of rectification module 3 are connected respectively with filtration module negative pole and NPN triode Q1 colelctor electrode.Wherein, this reality Apply rectification module 3 in example and be preferably bridge rectifier.Filtration module includes the R1 of the resistance one and C1 of electric capacity one, the R1 one end of resistance one It is connected with the outfan of rectification module 3, its other end is connected with rechargeable battery E negative poles, the C1 one end of electric capacity one exports with rectification module 3 Connection between end and the R1 of resistance one, between its other end and the outfan of rectification module 3 and NPN triode Q1 colelctor electrode Connection.

Acousto-optic warning module includes the R2 of resistance two, speaker Y1 and LED lamp bead group, wherein, LED lamp bead group includes multiple strings The LED lamp bead of connection and with LED lamp bead quantity identical stabilivolt, the stabilivolt of each LED lamp bead correspondence one reversal connection of parallel connection, electricity Hinder the first connection in series-parallel branch road of composition in parallel with speaker Y1, the positive pole of the first connection in series-parallel branch road after two R2 connect with LED lamp bead group It is connected with the positive pole of rechargeable battery E, normally opened output switch KJ one end of relay J1 is connected with rechargeable battery E negative poles, and its is another End is connected with the negative pole of the first connection in series-parallel branch road.In the present embodiment LED lamp bead group preferably include three series connection LED lamp beads, three Individual LED lamp bead is respectively the LED1 of LED lamp bead one, the LED2 of LED lamp bead two and the LED3 of LED lamp bead three, distinguishes simultaneously in three LED lamp beads It is associated with the DW1 of stabilivolt one, the DW2 of stabilivolt two and the DW3 of stabilivolt three of reversal connection.

Above content is to combine the further description that specific preferred implementation is made to the present invention, it is impossible to assert this The specific embodiment of invention is confined to these explanations.For general technical staff of the technical field of the invention, The other embodiment drawn under without departing from technical scheme, should be included in protection scope of the present invention.

Claims (7)

1. a kind of storehouse power-off monitoring device with acousto-optic warning function, it is characterised in that：Including acousto-optic warning module and suitable The voltage changing module of secondary connection（B）, rectification module（3）, filtration module, mu balanced circuit and rechargeable battery（E）, the voltage changing module （B）It is connected with phase line input line（1）With zero line input line（2）, the phase line input line（1）With zero line input line（2）Between connect It is connected to relay（J1）；The mu balanced circuit includes NPN triode（Q1）, 3rd resistor（R3）And stabilivolt four（DW4）, it is described NPN triode（Q1）Collector and emitter respectively with filtration module positive pole and rechargeable battery（E）Positive pole connects, and the described 3rd Resistance（R3）One end and NPN triode（Q1）Connection between colelctor electrode and filtration module positive pole, its other end and NPN tri- Pole pipe（Q1）Base stage connection, the stabilivolt four（DW4）Negative pole is connected to 3rd resistor（R3）And NPN triode（Q1）Base stage Between circuit on, stabilivolt four（DW4）Positive pole and rechargeable battery（E）Negative pole connects；The acousto-optic warning module includes resistance Two（R2）, speaker（Y1）And LED lamp bead group, the LED lamp bead of the LED lamp bead group including multiple series connection and with LED lamp bead number Amount identical stabilivolt, the stabilivolt of each LED lamp bead correspondence one reversal connection of parallel connection, the resistance two（R2）With LED lamp bead group With speaker after series connection（Y1）Parallel connection constitutes the first connection in series-parallel branch road, the positive pole and rechargeable battery of the first connection in series-parallel branch road（E）'s Positive pole connects, the relay（J1）Normally opened output switch（KJ）One end and rechargeable battery（E）Negative pole connect, its other end with The negative pole connection of the first connection in series-parallel branch road.

2. a kind of storehouse power-off monitoring device with acousto-optic warning function according to claim 1, it is characterised in that：Institute Stating mu balanced circuit also includes electric capacity two（C2）, the electric capacity two（C2）One end and NPN triode（Q1）Base stage and 3rd resistor （R3）Between connection, its other end and rechargeable battery（E）Negative pole connects.

3. a kind of storehouse power-off monitoring device with acousto-optic warning function according to claim 1, it is characterised in that：Institute State rectification module（3）Including two inputs and two outfans, rectification module（3）Two inputs and voltage changing module（B） Connection, rectification module（3）Two outfans respectively with filtration module negative pole and NPN triode（Q1）Colelctor electrode connects.

4. a kind of storehouse power-off monitoring device with acousto-optic warning function according to claim 3, it is characterised in that：Institute Filtration module is stated including resistance one（R1）With electric capacity one（C1）, the resistance one（R1）One end and rectification module（3）Outfan connects Connect, its other end and rechargeable battery（E）Negative pole connects, the electric capacity one（C1）One end and rectification module（3）Outfan and resistance One（R1）Between connection, its other end and rectification module（3）Outfan and NPN triode（Q1）Line between colelctor electrode Road connects.

5. a kind of storehouse power-off monitoring device with acousto-optic warning function according to claim 3, it is characterised in that：Institute State rectification module（3）For bridge rectifier.

6. a kind of storehouse power-off monitoring device with acousto-optic warning function according to claim 1, it is characterised in that：Institute State phase line input line（1）On be in series with electric fuse（FU）.

7. a kind of storehouse power-off monitoring device with acousto-optic warning function according to claim 1, it is characterised in that：Institute State LED lamp bead of the LED lamp bead group including three series connection.