CN205902163U - Automatic power -off device - Google Patents

Abstract

The utility model relates to an automatic power -off device belongs to the technical field of electrical apparatus auto -power -off, the problem of the technique is solved for: the utility model provides a simple structure, the better automatic power -off device of lower, the economic nature of cost, the technical scheme who adopts does: an automatic power -off device, includes the casing and sets up at the inside control circuit of casing, is provided with the cap on the casing, the circuit includes battery U1, relay J1, first wire output A0, second wire output A1, relay J1's normally closed contact J1.2, indoor lighting circuit and 220V commercial power are looped in, one side of casing is provided with the wire guide, links to each other with fixed hasp, the movable lock latch who sets up on the door body respectively after first wire output A0, second wire output A1 wear out from the wire guide, fixed hasp, movable lock latch pass through padlock locking men tihou, metal U type ring and first wire output A0, the contact of second wire output A1 of padlock for control circuit switches on.

Description

A kind of auto-power-off device

Technical field

A kind of auto-power-off device of this utility model, belongs to the technical field that electrical equipment automatically powers off.

Background technology

In school, office building or home dwelling, often occur such as: when people leaves classroom, office, family, forget Turn off the light, close electrical equipment phenomenon, just directly lock a door and leave away；In this case, because electrical equipment works long hours and nobody looks after, not only wave Take electric energy, and easily form potential safety hazard.

For solving the above problems, some office buildings, by the way of infrared sensor, infrared sensor are installed indoors, When indoor nobody when, infrared sensor transmits a signal to controller, and controller controlling switch makes illuminating lamp or other power supplys Loop cuts off；But this mode needs to install substantial amounts of infrared sensor and controller, not only high cost, and need Building first stage of construction carries out the design in global source loop, is not suitable for being applied in old building, versatility is relatively low.

Utility model content

This utility model overcomes the shortcomings of that prior art exists, and technical problem to be solved is: provides a kind of structure letter List, cost are relatively low, better economy auto-power-off device.

In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is:

A kind of auto-power-off device, including open-topped housing and the control circuit being arranged on enclosure interior, described shell The top open part of body is provided with cap；Described control circuit includes battery u1 and relay j1, the positive pole string of described battery u1 It is connected with the first wire output end a0 of control circuit after the coil j1.1 of contact relay j1, the negative pole of described battery u1 and control Second wire output end a1 of circuit is connected, the normally-closed contact j1.2 of described relay j1, indoor lighting circuit and 220v civil power Form loop；The side of described housing is provided with wire guide, and described first wire output end a0, the second wire output end a1 are from leading String holes is connected with the fixing lock being arranged in door body, activity lock after passing respectively；Described fixing lock, activity lock pass through After padlock locking door body, the metal u-shaped ring of described padlock is contacted with the first wire output end a0, the second wire output end a1, makes Obtain control circuit conducting.

Preferably, described control circuit is provided with undervoltage warning circuit, described housing is provided with undervoltage warning lamp, institute State undervoltage warning circuit to be connected with battery u1 and undervoltage warning lamp respectively.

Preferably, described battery u1 is aneroid battery, and its output voltage is 3v.

Preferably, model fk4098 of described relay j1.

This utility model compared with prior art has the advantages that.

This utility model includes the control circuit being arranged on enclosure interior, and is separately mounted to the fixing lock of door body and lives The first wire output end a0 on dynamic lock and the second wire output end a1；When, After Hours or after be away from home, people pass through padlock During locking door body, the metal u-shaped ring of padlock is contacted so that controlling electricity with the first wire output end a0, the second wire output end a1 Road conducting, the coil j1.1 of relay j1 obtain electric so that the normally-closed contact of the relay j1 being disposed in the interior on lighting circuit J1.2 disconnects, and then lighting circuit is disconnected, and illuminating lamp is closed；This utility model structure is simple, easy for installation, need not be to existing Have that school, office block Deng Jiu building carry out pipeline and the design of lighting loop just can reach energy-conservation purpose, practical.

Brief description

The utility model is described in more detail below in conjunction with the accompanying drawings.

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

Fig. 2 is internal structure schematic diagram of the present utility model；

Fig. 3 is circuit connection diagram of the present utility model；

Fig. 4 is use state figure of the present utility model；

In figure: 1 is housing, 2 is cap, and 3 is wire guide, and 4 is undervoltage warning lamp, and 5 is door body, and 6 is fixing lock, and 7 are Activity lock, 8 is padlock, and 9 is metal u-shaped ring, and 10 is undervoltage warning circuit.

Specific embodiment

As shown in Figures 1 to 4, a kind of auto-power-off device, including open-topped housing 1 be arranged on inside housing 1 Control circuit, the top open part of described housing 1 is provided with cap 2；Described control circuit includes battery u1 and relay j1, It is connected with the first wire output end a0 of control circuit after the coil j1.1 of positive pole concatenation relay j1 of described battery u1, described The negative pole of battery u1 is connected with the second wire output end a1 of control circuit, the normally-closed contact j1.2 of described relay j1, interior Lighting circuit and 220v city electric forming loop；The side of described housing 1 is provided with wire guide 3, described first wire output end a0, Second wire output end a1 is connected with the fixing lock 6 being arranged on door body 5, activity lock 7 after wire guide 3 passes respectively； After described fixing lock 6, activity lock 7 pass through padlock 8 locking door body 5, the metal u-shaped ring 9 of described padlock 8 is defeated with the first wire Go out to hold a0, the second wire output end a1 contact so that control circuit turns on.

As shown in figure 4, described metal u-shaped ring 9, the first wire output end a0, the second wire output end a1, form door lock Switch, when this utility model uses, when people pass through padlock lock 8 locking door body 5, the metal u-shaped ring 9 of padlock 8 and the first wire Outfan a0, the second wire output end a1 contact are so that control circuit conducting, the coil j1.1 of relay j1 obtain electric so that setting The normally-closed contact j1.2 putting the relay j1 on lighting circuit indoors disconnects, and then lighting circuit is disconnected, and illuminating lamp closes Close；This utility model structure is simple, easy for installation, need not carry out pipeline and illumination to existing school, office block Deng Jiu building The design in loop just can reach energy-conservation purpose, practical.

Additionally, for saving battery electric quantity, in described door interlock switch and room lighting loop, the hand switch of setting can group Cheng Shuan drives synchro switch, and after the normal disconnection of indoor lighting circuit hand switch, even if having locked door, control circuit does not also work, Avoid empty consumption aneroid battery, save electricity；When only turning off the light and lock a door when forgetting, control circuit just can work.

In the present embodiment, described battery u1 is aneroid battery, and its output voltage is 3v, the model of described relay j1 Fk4098, described control circuit is provided with undervoltage warning circuit 10, and described housing 1 is provided with undervoltage warning lamp 4, described deficient Pressure warning circuit 10 is connected with battery u1 and undervoltage warning lamp 4 respectively；By undervoltage warning circuit 10 and be arranged on housing 1 On undervoltage warning lamp 4, people easily can be monitored to the battery allowance of control circuit, be easy to change battery in time,

This utility model may be mounted in indoor illumination switch case, by luminous lamp switch housing, or door body etc. It is easy to the place observed and operate.

The padlock being used for locking door body in this utility model is alternatively Domestic anti-theft lock, and described Domestic anti-theft lock includes: Locking locking bar and insurance locking bar, when described locking locking bar is in for personnel, closure door body uses, and insurance locking bar is used for personnel When leaving home, locking door body uses, it is only necessary to the first wire output end a0, the second wire output end a1 are arranged on door body door during use On frame, when safety lock lever lock closes door body, safe locking bar is contacted with the first wire output end a0, the second wire output end a1, makes Obtain control circuit conducting.

To sum up, a kind of auto-power-off device of this utility model, there is provided a kind of structure is simple, cost is relatively low, solves biography Tong Jiu building energy-saving effect is poor, and the problem of reducing energy consumption high cost has substantive distinguishing features and progress, above in conjunction with accompanying drawing to this The embodiment of utility model is explained in detail, but this utility model is not limited to above-described embodiment, in the common skill in this area In the ken that art personnel possess, can also various changes can be made on the premise of without departing from this utility model objective.

Claims (2)

1. a kind of auto-power-off device it is characterised in that: include open-topped housing (1) and be arranged on inside housing (1) Control circuit, the top open part of described housing (1) is provided with cap (2)；

Described control circuit includes battery u1 and relay j1, after the positive pole of described battery u1 concatenates the coil j1.1 of relay j1 It is connected with the first wire output end a0 of control circuit, the second wire output end a1 of the negative pole of described battery u1 and control circuit It is connected, the normally-closed contact j1.2 of described relay j1, indoor lighting circuit and 220v city electric forming loop；

The side of described housing (1) is provided with wire guide (3), described first wire output end a0, the second wire output end a1 from Wire guide (3) is connected with the fixing lock (6) being arranged in door body (5), activity lock (7) after passing respectively；

After padlock (8) locking door body (5) is passed through in described fixing lock (6), activity lock (7), the metal u-shaped of described padlock (8) Ring (9) is contacted with the first wire output end a0, the second wire output end a1 so that control circuit turns on；

Undervoltage warning circuit (10) is provided with described control circuit, described housing (1) is provided with undervoltage warning lamp (4), institute State undervoltage warning circuit (10) to be connected with battery u1 and undervoltage warning lamp (4) respectively；

Described battery u1 is aneroid battery, and its output voltage is 3v.

2. a kind of auto-power-off device according to claim 1 it is characterised in that: the model of described relay j1 fk4098.