CN2382170Y

CN2382170Y - Automatic switch for advertisement sign

Info

Publication number: CN2382170Y
Application number: CN 99216782
Authority: CN
Inventors: 古秀台
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-07-16
Filing date: 1999-07-16
Publication date: 2000-06-07
Anticipated expiration: 2009-07-16

Abstract

The utility model relates to an automatic switch for advertisement signboard lamps, which is composed of a voltage transformation rectification device, a switching control device, a timing control device and an electromagnetic switch, wherein, the voltage transformation rectification device is composed of a transformer and a rectifier. An input end of the transformer is provided with a selective switch to make alternating current with different voltage all converted into equivalent direct current for controlling a power supply. The switching control device is formed by the series connection of a photosensitive and a thermal resistors and a contact switch. The photosensitive resistor is changed by strong light for automatically switching on the power supply. The timing control device is composed of a timing IC, an electronic loop, a crystal triode, a variable resistor and a relay. The input of the electromagnetic switch is controlled by the timing device and the output of the electromagnetic switch is used for controlling the on-off of a signboard lamp.

Description

The automatic off and on machine of advertising signboard lamp

The utility model belongs to a kind of electric light automatic switch, particularly a kind of automatic off and on machine that is used for the advertising signboard lamp.

Press, conventional ads signboard lamp (fluorescent lamp) all is that pure manual gas shut off is installed, not only to evening need rely the artificial free-hand electricity of opening will turn on light the time, artificial free-hand the going of the Shi Yixu that stops doing business is closed, cause very inconvenience in the use, a carelessness promptly has the situation of having forgotten to open or close to take place slightly.

Though recently the people being arranged is that above-mentioned inconvenience is arranged in view of traditional pure manual type advertising signboard lamp (fluorescent lamp) switch in the use, and the timer-operated switch of a kind of mat of installation is created in improvement, after setting regularly, make advertising signboard lamp (fluorescent lamp) light in one to promptly switching on automatically, the downtime one makes advertising signboard lamp (fluorescent lamp) extinguish to promptly cutting off the power supply automatically the dusk time.Yet, the timer-operated advertising signboard lamp of this kind mat (fluorescent lamp), self-clocking is stagnated when having a power failure whenever, must readjust setting, otherwise be inaccurate and can't time switch action, because of timer must could operate in self-clocking in power supply in 24 hours, each power failure promptly decommissions, and how long have a power failure promptly can be how long slow; Simultaneously, the time difference more than at least one hour is also arranged between the sunset at dark in summer and winter, must be according to doing suitable adjustment season though never have a power failure still, otherwise can't promptly make breakdown action in darkness in good time.

The purpose of this utility model aims to provide a kind of facility of installing and using, only set and once promptly need not adjust again, (no matter interruption duration length) influence can not be subjected to simultaneously to have a power failure yet, as long as (darkness) is to promptly opening the power supply of connecting advertising signboard lamp (fluorescent lamp) automatically at dusk, make advertising signboard lamp (fluorescent lamp) light automatically, setting-up time one extinguishes this advertising signboard (fluorescent lamp) to the power supply that promptly can cut off billboard lamp (fluorescent lamp) automatically automatically; Especially, though setting-up time length (even 1 minute, 1 hour be 24 hours all can), or interruption duration number, also or the difference in season, to at dusk darkness all can not have the automatic off and on machine of advertising signboard lamp that the error phenomenon takes place fully on time from moving breakdown action.

Above-mentioned purpose of the present utility model is realized by following technical proposals.

The automatic off and on machine of a kind of advertising signboard lamp is characterized in that: by the transformation rectifying device, put the control device that goes out, timing control apparatus and electromagnetic switch series and parallel constitute,

This transformation rectifying device comprises a transformer and a bridge rectifier, in this power of transformer input and establish a selector switch, make the AC power of selecting to insert, connect different magnitudes of voltage, the output of transformer connects bridge rectifier, the output contact of bridge rectifier go out control device, timing control apparatus etc. are made for DC power supply;

This point goes out control device by a photo resistance, one thermistor and silver tipped contact switch polyphone constitute, two termination AC power after wherein a photo resistance and a thermistor are connected in series, the go out silver tipped contact switch series of control device of this point is connected between power supply and the transformation rectifying device, is to cut off automatically and turn-on power by the variation that is subjected to daybreak, darkness of this photo resistance; And

This timing control apparatus is by a timing IC (integrated circuit) and an electronic loop thereof, a transistor, and a variable resistor and a miniature relay are formed; Its input connects DC power supply, wherein variable resistor is connected to the regularly delay adjustments end of IC (integrated circuit), regularly two outputs of IC (integrated circuit) connect the base stage and the emitter-base bandgap grading of transistor respectively, the input (being coil) of the collector electrode output connection small relay of triode, the contact of miniature relay is serially connected with between the input (being coil) of DC power supply and electromagnetic switch; Again,

The output of this electromagnetic switch, promptly make and break contact then is serially connected between input power supply and the signboard lamp (fluorescent lamp), makes the control that is subjected to timing device control the break-make of signboard lamp.

Advantage of the present utility model is: install and use facility, only set and once promptly need not adjust again, as long as (darkness) is to promptly opening the power supply of connecting advertising signboard lamp (fluorescent lamp) automatically at dusk, make advertising signboard lamp (fluorescent lamp) light automatically, setting-up time one is to advertising signboard lamp (fluorescent lamp) is extinguished; Be not subjected to the interruption duration number, and the Various Seasonal time influence difference, at dusk darkness all can not have the error phenomenon fully and take place on time from moving breakdown action.

Now with regard to drawings and Examples the automatic off and on machine of advertising signboard lamp of the present utility model is described in detail as the back:

Description of drawings:

Fig. 1 is a square frame simplified schematic diagram of the present utility model;

Fig. 2 is an electronic-circuit diagram of the present utility model.

As shown in Figure 1, the automatic off and on machine of advertising signboard lamp of the present utility model mainly is by transformation rectifying device 1, puts the control device 2 that goes out, and timing control apparatus 3 and electromagnetic switch 4 constitute.

As shown in Figure 2, transformation rectifying device 1 of the present utility model is made up of a transformer 11 and a bridge rectifier 12, in the power input of this transformer 11 and establish a selector switch 13, make the AC power 5 that chooses at random slotting, as to meet 110V or 220V different magnitudes of voltage, all can be transformed into the 24V direct current, in order to the supply centre control device 2 that goes out, the power supply of timing control apparatus 3 grades, making respectively, this device can operate respectively.This some control device 2 that goes out is to include a photo resistance 21, one thermistors 22 and a silver tipped contact switch 23 series combination to constitute; The high and low magnitude of voltage that can produce by this photo resistance 21 is subjected to daybreak, darkness intensity variations is used the action whether work that excites thermistor 22 generates heat, and the work that can take charge of this silver tipped contact switch 23 of control cuts off the action with the conducting energising; Wherein connect AC power after photo resistance 21 and a thermistor 22 serial connection, the contact of this silver tipped contact switch 23 then be serially connected with transformer 11 power input and between.And this timing control apparatus 3 mainly is by timing IC (integrated circuit) 31 and an electronic loop thereof, and a transistor 32, one miniature relays 33 and a variable resistor 34 devices are formed; Its input connects DC power supply; Wherein variable resistor 34 is connected to the regularly delay adjustments end of IC (integrated circuit) 31, regularly two outputs of IC (integrated circuit) 31 connect the base stage and the emitter-base bandgap grading of transistor 32 respectively, 33 inputs of the collector electrode of triode 32 output connection small relay are coil, the contact of miniature relay 33 be serially connected with DC power supply and between; The output of this electromagnetic switch 4, promptly make and break contact then is serially connected between input power supply and the signboard lamp (fluorescent lamp); Go out control device 2 when the darkness running is switched in the above-mentioned point of mat, can impel 3 normal operations of this timing control apparatus, and by wherein a miniature relay 33 action and make electromagnetic switch 4 actions, use and connect load power 6 to signboard lamp (fluorescent lamp), it is lighted; Only be can be by wherein variable resistor 34 to set more than at least 1 minute to 1 hour, even the signboard lamp between 24 hours makes the time, and can arrive in the time one that this variable resistor 34 sets, can be by the running of this timing IC31 and transistor 32 and electronic loop thereof etc., impel miniature relay 33 actions, lead to the power supply of electromagnetic switch 4 in order to cut-out, and can cut off the load power 6 that leads to aforementioned signboard lamp automatically, make the signboard lamp extinguish automatically.The darkness of need waiting once more makes this point go out control device 2 when operating once again, can connect this power supply 6 that leads to the signboard lamp once more the signboard lamp is lighted.

From the above, the automatic off and on machine of advertising signboard lamp of the present utility model, as long as arrive in darkness one, can descend (approximately to 20～30V) because of the go out voltage of the photo resistance 21 in the control device 2 of its point, order thermistor 22 wherein only is in keeping warm mode, be the state of energized and can make its silver tipped contact switch 23 keep in the center, advertising signboard lamp (fluorescent lamp) is lighted automatically; The time one that the variable resistor 34 in the timing control apparatus 3 of need waiting sets arrives, and can cut off automatically towards the power supply in this advertisement work board lamp and timing control apparatus 3 and loop thereof, makes this advertising signboard lamp extinguish automatically; If setting-up time is long, after daybreak, still can rise (approximately to 70～80V) because of the go out voltage of the photo resistance 21 in the control device 2 of this point, and can make thermistor 22 heatings wherein back down the automatic power supply that leads to advertising signboard lamp and timing control apparatus 3 and loop thereof etc. that cuts off of silver tipped contact switch 23 works, also can make this advertising signboard lamp extinguish automatically, and do to connect advertising signboard lamp power supply 6 automatically in repeating running at dark again, its conducting energising is lighted; If also with, the influence that can't be had a power failure, and promptly need not adjust again after only setting once accurately when between the operating period, meet with having a power failure, and not have the situation of error; Especially, when extinguishing or meet power failure, all device, part all needn't be powered, so comparatively power saving is durable.

Claims

1, the automatic off and on machine of a kind of advertising signboard lamp is characterized in that: by the transformation rectifying device, put the control device that goes out, timing control apparatus and electromagnetic switch series and parallel constitute,

This point goes out control device by a photo resistance, one thermistor and silver tipped contact switch polyphone constitute, two termination AC power after wherein photo resistance and thermistor are connected in series, the go out silver tipped contact switch series of control device of this point is connected between power supply and the transformation rectifying device, is to cut off automatically and turn-on power by the variation that is subjected to daybreak, darkness of this photo resistance; And

This timing control apparatus is by a timing IC integrated circuit and an electronic loop thereof, a transistor, and a variable resistor and a miniature relay are formed; Its input connects DC power supply, wherein variable resistor is connected to the regularly delay adjustments end of IC integrated circuit, regularly two outputs of IC integrated circuit connect the base stage and the emitter-base bandgap grading of transistor respectively, the input of the collector electrode of triode output connection small relay, be coil, the input that the contact of miniature relay is serially connected with DC power supply and electromagnetic switch is between the coil; Again,

The output of this electromagnetic switch, promptly make and break contact then is serially connected between input power supply and signboard lamp, the fluorescent lamp, makes the control that is subjected to timing device control the break-make of signboard lamp.