CN201600768U

CN201600768U - Power failure alarm device

Info

Publication number: CN201600768U
Application number: CN2009202122192U
Authority: CN
Inventors: 胡夕祝; 丁晨; 王继兰
Original assignee: Shanghai Airui Science & Technology Development Co Ltd
Current assignee: Shanghai Airui Science & Technology Development Co Ltd
Priority date: 2009-11-11
Filing date: 2009-11-11
Publication date: 2010-10-06
Anticipated expiration: 2019-11-11

Abstract

The utility model discloses a power failure alarm device, which comprises an armature, a resistor, a single-pole double-throw switch and a warning device with a power source. The resistor is connected in parallel to two ends of the armature, one end of the resistor in parallel connection with the armature is used as a positive pole while the other end is used as a negative pole, and the positive pole and the negative pole are connected with an output end and a grounded end of a voltage loop of a power source of an industrial personal computer or other devices. The single-pole double-throw switch corresponds to the armature in position, a public end is arranged on one side of the single-pole double-throw switch, a normally open contact end and a normally closed contact end are arranged on the other side of the single-pole double-throw switch, and the public end and the normally open contact end are connected with the warning device and the power source through conductors to form a loop. The power failure alarm device has simple structure, can realize modularization, and is convenient in installation and use, and high in flexibility.

Description

A kind of dead electricity alarm device

Technical field

The utility model discloses a kind of dead electricity alarm device that is applied on the industrial computer.

Background technology

Power industry is important basic activity, being applied in electromechanical equipment in the power industry such as industrial computer etc. requires very high, except performance, computing power, multi-functional, force the solid and anti-abominable electromagnetic compatible environment, also require it that good error correction and fault-tolerant ability and alert capability are arranged.

Mostly the existing method that is applied in dead electricity alarm function in the power industry electromechanical equipment is to utilize chip or signal relay, and these chips or signal relay are to be integrated on the printed circuit board (PCB) of whole device, main drawback is inconvenient, can not accomplish modularization, can't realize shared on different device, the industrial computer, dirigibility is not enough.

Particularly, existing electromechanical equipment or device be not originally if design the dead electricity alarm function, and will run into bigger problem when at this time needing the dead electricity alarm function, and it is unlikely to redesign whole device, but does not have ready-made module available.

The utility model content

In order to solve the problem that above-mentioned prior art exists, the utility model provides a kind of dead electricity alarm device, realizes modularization, and easy for installation, different industrial computers can use same dead electricity alarm module, and applicability is strong.

A kind of dead electricity alarm device, comprise an armature, resistance, single-pole double-throw switch (SPDT) and the warning device that is provided with power supply, described resistance is connected in parallel on the two ends of described armature, resistance and a end after armature is in parallel are as positive pole, and the other end is as negative pole, and described both positive and negative polarity is connected with the output and ground of one road voltage of industrial computer or miscellaneous equipment power supply.

Described single-pole double-throw switch (SPDT) one side is provided with common port, and opposite side is provided with normally opened contact and normally closed contact, and single-pole double-throw switch (SPDT) is relative with described armature, and energising back armature produces magnetic, and the distance between single-pole double-throw switch (SPDT) and the armature is in the magnetic scope of described armature.

The common port of described single-pole double-throw switch (SPDT) is connected described warning device with the normally opened contact end, constitutes a loop of warning device.

The common port of described single-pole double-throw switch (SPDT) is connected industrial computer with the normally closed contact end or other electromechanical equipment constitutes another loop.

Described warning device can the display alarm function be watched out for the electronic installation that acts on to the people for hummer or signal lamp etc., and warning device is provided with power supply.

Concrete applying step of the present utility model and principle of work are summarized as follows:

Both positive and negative polarity after the output and ground that needs are designed one road voltage of the industrial computer of dead electricity alarm function or other electromechanical equipment power supply is connected to resistance described in the utility model and armature is in parallel; Single-pole double-throw switch (SPDT) is relative with described armature position, and the common port of described single-pole double-throw switch (SPDT) is connected above-mentioned warning device with the normally opened contact end by lead.

Like this, when the power supply of industrial computer breaks down, will use the armature magnetic of relay to change during outage, often open with normally closed two contacts and will produce action, normally closed contact is opened, and makes the common port and the normally opened contact end closure of single-pole double-throw switch (SPDT), and single-pole double-throw switch (SPDT) and warning device, power supply constitute the loop of a conducting like this, promptly under industrial computer situation outage or that break down, warning device plays the effect of warning.

The beneficial effects of the utility model are, simple in structure, can realize modularization, can make different electromechanical equipments use same dead electricity alarm module, easy for installation, only the utility model need be welded on the printed circuit board (PCB) and just can be fixed on very easily in the cabinet of industrial computer or other electromechanical equipment.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Embodiment

Referring to Fig. 1, a kind of dead electricity alarm device is made of jointly resistance R, armature F, single-pole double-throw switch (SPDT) K, battery E and hummer H.

Resistance R is in parallel with armature F, A end after its parallel connection is as anodal, the B end is as negative pole, the output terminal and the earth terminal correspondence of the extraneous electromechanical equipment of described positive pole and negative pole usefulness lead and needs installation dead electricity alarm function such as one road voltage of industrial computer power supply are connected, when industrial computer runs well power supply, make described resistance R, armature F and industrial computer form the loop of a conducting, armature F produces magnetic.

Single-pole double-throw switch (SPDT) K be installed in described armature F under, the armature F that produces magnetic is attractive to described single-pole double-throw switch (SPDT) K, make its K-K1 end closed, promptly the common port C of single-pole double-throw switch (SPDT) K is connected outside loop of industrial computer formation with normally closed contact G by lead.

The common port C of single-pole double-throw switch (SPDT) K and normally opened contact D form another loop by wire connected battery E, LED P and hummer H.

Principle of work of the present utility model is: when extraneous electromechanical equipment such as industrial computer operate as normal, resistance R, armature F and industrial computer form the loop of a conducting, armature F produces magnetic, armature F attracts single-pole double-throw switch (SPDT) K to make the K-K1 place closed, and promptly common port C and normally closed contact G end and industrial computer form the loop.

When the power supply of industrial computer breaks down or during sudden power, the loop at armature F place does not have electric current by being in off-state, promptly is connected F and loses magnetism, the K-K1 place is disconnected and normally closed contact G opens; Simultaneously, the K-K2 place of single-pole double-throw switch (SPDT) K is closed, and normally opened contact D is communicated with common port C, thus the loop conducting that single-pole double-throw switch (SPDT) K, battery E, LED P and hummer H are constituted, and glittering the blowing a whistle with hummer H of LED P gives the alarm.

More than show and described ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the instructions just illustrates principle of the present utility model; the utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims

1. dead electricity alarm device, it is characterized in that, the armature that it is in parallel by resistance, with resistance, the warning device that is positioned at the single-pole double-throw switch (SPDT) of armature below and is provided with power supply constitute jointly, and the common port of described single-pole double-throw switch (SPDT) and normally opened contact connect described warning device by lead.

2. a kind of dead electricity alarm device according to claim 1 is characterized in that, the two ends after described armature and the resistance parallel connection are as corresponding voltage output end and the earth terminal that connects extraneous electromechanical equipment by lead of both positive and negative polarity.

3. a kind of dead electricity alarm device according to claim 1 and 2 is characterized in that the common port of described single-pole double-throw switch (SPDT) is connected extraneous electromechanical equipment with normally closed contact by lead.