CN2047403U - Electronic timing clock - Google Patents

Abstract

The utility model relates to an electronic timing clock. The existing timing clocks are most mechanical type, which are inconvenient. In the utility model, time display signals which are provided by time integrated circuits cooperate with two decoders which represent hours and minutes respectively, to change time signals into binary system to be input in the address port of a memory; the data output end is controlled by a setting circuit to separately drive different and various acoustic circuits. In addition, the electronic timing clock is provided with a circuit which automatically sets time according to a telltale clock, and a change-over and selecting switch which can increase numbers of memory regions to 16. The utility model can be provided to companies and schools, and can be used in different occasions, and has the advantages of simple operation and complete functions.

Description

Electronic timing clock

The utility model relates to a kind of electronic type time signal clock.

At present general company or the employed time signal clock of school can be on and off duty, playing back music when going to school and leaving school or going to school and leaving school.But its structure is mechanical type, promptly on a rotating disk that is subjected to the clockwork effect and rotates some equidistant jacks is set, and represents the different moment respectively.In required jack, insert contact pin then, touch a microswitch when making this contact pin turn to certain position, thereby make relevant phonation circuit action.But this time signal clock has following shortcoming:

1) owing to contact pin must be inserted jack,, need the special messenger to operate so general personnel can't operate.And change when setting, must be by instrument, so poor practicability.

2) since be with one day be a circulation, so after setting, Sun. is action in the same old way still, not only wastes electric power, and may disturb the people on the outside.

3) just in case after having a power failure, more need readjust the position of contact pin, very be inconvenience.

4) owing to be spaced apart five minutes between per two jacks,, can't be applicable to the setting of short period, limit the scope of application so the time division can not be thin again.

5) general time signal clock has only two kinds of sounds, so sound selectivity is low, can't differentiate the character of giving the correct time by the sound.

6) when output is given the correct time in cut-out, other peripherals must be turn-offed together, demonstrate poor practicability more.

The purpose of this utility model is, provide a kind of simple to operate, set and be not subjected to the minimal spatial separation restriction, have the multiple music sound and more can start the new-style electronic time signal clock of outside playback set.

Electronic type time signal clock described in the utility model has a time integrated circuit, and the output signal of this time integrated circuit is connected to respectively on the demoder of hour, minute, and the output signal of two demoders is connected to a storer as its address input signal.The read-write input end of described storer is connected to an initialization circuit, its data output end then respectively with a stroke generator in different sound circuit connect, button operation by initialization circuit is set the moment of giving the correct time, and writes in the described storer, to reach the effect of regularly giving the correct time.Electronic type time signal clock described in the utility model, the data output end of its storer also are connected with an external unit driving interface, can start extraneous playback set action.In addition, also be provided with week the keyings circuit that whether gives the correct time Sunday of counter and select, can also in every day the midnight constantly automatically with general telltale clock to the time, and be provided with uninterruptible power supply (UPS) device.In addition, the high address termination of the storer of electronic type time signal clock described in the utility model has a change-over switch, and its data output end is connected to a selector switch, utilize the optionally setting of this two switch, can be divided into 16 kinds of different storage compartments to storer, with adapt to such as school go to school and leave school at ordinary times and go to school and leave school, the needs of various different daily schedules such as monthly examination, final examination, make-up lessons in summer time, guidance in winter vacation, evening school's make-up lessons.

Electronic type time signal clock described in the utility model, can be set by the button operation of initialization circuit by anyone and give the correct time constantly, operation is simple and reliable, gives the correct time to set not to be subjected to the restriction of minimum interval, space, and can trigger multiple different chime, can also trigger the driving interface of outside playback set.The storer of time signal clock provides the selection of 16 kinds of different memory areas sections, and applicability is extensive.In addition, more be provided with uninterruptible power supply (UPS) device, week counter, be used for independent control store or move when cutting off Sunday newspaper the keying circuit, and in the midnight constantly automatically and telltale clock to the time automatic time setting circuit.Above-mentioned all advantages make this electronic type time signal clock can be widely applicable for various occasions such as office, school.

Description of drawings is as follows: Fig. 1 is the calcspar of the utility model; Fig. 2 is the circuit diagram of the utility model; Fig. 3 is the circuit diagram of the stroke generator of time signal clock described in the utility model; Fig. 4 is the automatic time setting circuit figure of time signal clock described in the utility model.

Below in conjunction with all accompanying drawings, describe electronic type time signal clock described in the utility model in detail.

As shown in Figure 1, electronic type time signal clock described in the utility model, comprise a reference clock pulse oscillator (11), described clock pulse oscillator provides clock pulse signal to time integrated circuit (1), the output of time integrated circuit then is connected to digital indicator (12), shows the present moment.And this output signal that is connected to display be transfused to simultaneously two respectively representative hour with minute demoder (22) reach (21), above-mentioned time signal is changed into binary data, described binary data is transfused to the address input end of storer (23) again.Other has an initialization circuit (3), and the read-write input end that plays (23) with storer is connected, so that set each data mode in the storer (23).Each data output end of storer (23) then links to each other with stroke generator (4) and driving interface (5) respectively.Utilize initialization circuit that one or several data line of the address date of storer (23) is set at noble potential and write state, then this set condition just is temporary in the storer.When the time arrived this setting value, storer (23) will send signal from data output end, drove follow-up phonation circuit action.Link to each other with the data output end of storer (23) except stroke generator (4), also have the driving interface of forming by external device driver (51) and (52) (5), by initialization circuit (3), can give setting which driver of triggering earlier.Therefore, can select a certain driver that triggers in stroke generator (4) or the extraneous driving interface (5) artificially.And stroke generator (4) inside is provided with multiple different sound circuit, can set and selects the different music sounds for use.

In addition, in order to get rid of the influence of power failure, electronic type time signal clock described in the utility model also is equipped with a uninterruptible power supply (UPS) device (24), is connected with aforementioned storer (23), time integrated circuit (1) and oscillator (11) respectively, guarantee interior data not reason have a power failure and disappear.Fig. 1 is right-hand to be a week display (13), indicates be what day the same day, and energy output signal control store (23) makes stop to give the correct time its Sunday simultaneously.

Fig. 2 is physical circuit figure.As seen from Figure 2, time integrated circuit (1) is delivered to the signal of digital indicator (12), be connected to two hour, minute demoders of being made up of ROM (read-only memory) (22), the address input end of (21) respectively, the data terminal of the latter two then is connected to the address input end of read-write memory (23).Each data output end of storer (23) then is connected with initialization circuit (3), stroke generator (4) and driving interface (5).

The left end of time integrated circuit (1) has an output line, is connected with week counter (131), provides pulse input signal to the latter.By setting the setting of button (101)-(103), can on above-mentioned output line, produce a pulse signal in midnight's moment (00:00), make week counter (131) counting once, and show by its light emitting diode lamp (133) what day one day of making new advances is.In addition, week counter (131) is gone back keys available (132) and manual adjustment.

Whether see the control input end (OE) of storer (23) again, this input end and opens and closes circuit (6) and is connected, decided not give the correct time and to set by circuit (6) inner two switches (61), (62) and give the correct time Sunday.Wherein switch (61) is connected to the base stage of a transistor (64) to positive supply, and the collector of this transistor then is connected to aforementioned memory control input end (OE).When switch (61) was opened a way, transistor (64) ended, so make control input end (OE) be noble potential, made storer (23) be open-circuit condition, stopped to give the correct time.When switch (61) was closed, control input end (OE) was electronegative potential, and storer (23) is work as usual, gives the correct time.Another switch (62) be connected to week counter (131) Sunday output terminal and the base stage of transistor (63) between, the collector of transistor (63) then is connected to the base stage of transistor (64).Like this, if switch (62) closure, then to Sunday, the output terminal on Sunday of week counter (131) is noble potential, makes triode (63) conducting, thereby triode (64) ends, and makes storer (23) be open-circuit condition and stops to give the correct time.

Have initialization circuit (3) now.This circuit can divide up and down two parts, the first half be used for control store (23) write state and eliminate its inner all data, the latter half is used for setting the state of the data terminal of storer (23).The first half comprises two switches (34), (35), and wherein switch (34) one ends are connected in series a button (341) and ground connection, and the other end is connected with the read-write input end of storer (23).Another switch (35) then is connected to noble potential fast commentaries on classics of time integrated circuit (1) respectively and sets end (101), earth potential is connected to each data terminal of storer (23).After switch (34) closure, push button (341), then storer (23) is set to write state, the possibility that provides data to write.When pushing button (341) simultaneously, with switch (35) closure, it is noble potential that end (101) is set in then fast commentaries on classics, and time integrated circuit (1) is changeed soon, making each data terminal of storer (23) simultaneously is electronegative potential, so that remove the data in the storer (23) fast.The latter half of initialization circuit (3) comprises the phase inverter (31) that is connected with each data terminal of storer (23) respectively, setting button (312)-(315) and a configuration switch (32) of serial connection.The state of each data terminal is demonstrated by the light emitting diode lamp in the indicator (33).When switch (32) plate to+5 volts the time, then can press arbitrary button (312) to (315) and make the corresponding data end of depositing Chu's device (23) write noble potential, the corresponding pilot lamp in the while indicator (33) is lighted.

In order to increase the storage compartments of storer, be provided with the change-over switch of forming by two knife switches (7), two lead-in wires of change-over switch (7) are connected to the A11 and the A12 address end of storer (23) respectively.Two knife switches of operation change-over switch (7), can form four kinds of combinations, make storer (23) switch to four groups of different storage compartments, cooperate the selector switch (8) of the data output end that is connected on storer (23) again, can constitute 16 kinds of memory blocks, can adapt to aforementioned more than the kind demand.

As shown in Figure 2, in four data lines of storer (23), article three, directly be connected with three input ends of stroke generator (4), the different sound circuit of triggering out of the ordinary, can export three kinds of different sound by loudspeaker (41), another line then is used for triggering two set drives (51), (52) of driving interface (5), starts the action of external device or playback set.After initialization circuit (3) setting finished, when the what setting-up time arrived, a certain or some data output end output noble potential of storer (23) triggered corresponding sound circuit or extraneous playback set.

As previously mentioned, a selector switch (8) is serially connected between the DOL Data Output Line of storer (23) and one or (67).Or the output of door is connected to driver (51).Like this, in use, can be by operation change-over switch (7) and selector switch (8), which group storage data of decision output have reached the purpose that increases storage data set number, multiple storage characteristics is provided.

In addition, the data output end that storer (23) is connected with stroke generator (4) and driving interface (5) respectively, also can employing activity jumper connection form, because of actual needs carries out wire jumper exchange or different connections, change a certain group or four groups of strokes that memory data drove or musical sounds, then have more the dirigibility that changes the sound that gives the correct time.

Narrate the structure of stroke generator (4) below.As shown in Figure 3, this stroke generator comprises two music integrated circuit (42), (43), a gate generator (47), a reset circuit (46) and a cycling circuit (40).Wherein the inside of two music integrated circuit (42), (43) is provided with several music programs, and its three triggering input ends 4,5,9 are respectively A shown in Figure 2, B, three input ends of C.Gate generator (47) comprises two Sheffer stroke gates (48) and (49), produces different oscillation frequency respectively, supply music integrated circuit (42) and (43).Therefore, two music integrated circuit are asynchronous state.The output signal of the two is delivered to loudspeaker (41) after suitable frequency synthesis.Play out composite music.The reset circuit (46) of Fig. 3 top is made up of electric capacity (462) and transistor (461).The Integrated electrode of triode (461) is connected with the triggering input end 4 of music integrated circuit (42), (43), and its base input end (CK) then is connected among Fig. 2 or the output terminal of door (67).Like this, when triggering stroke generator (4), (CK) be noble potential, triode (461) conducting, the input end 4 of music integrated circuit is electronegative potential, resets so the previous operating state of described music integrated circuit inside is eliminated, so that trigger the music sound again.Fig. 3 left end is a cycling circuit (40), and the cycle index of music or the tinkle of bells is provided.The input signal of aforementioned triggering music integrated circuit (42), (43) is coupled to the input end of the Sheffer stroke gate (451) in the cycling circuit (40), and the output of Sheffer stroke gate (451), together be added to the different input ends of another Sheffer stroke gate (452) with one 1 hertz clock pulse signal, thereby provided one 1 hertz pulse input signal to counter (45).The delay output terminal of described counter (45) is fed back to music integrated circuit (42) and (43) through a crystal diode (457) and a transistor (443), constitute one time closed circuit.In addition from another output terminal of counter (45) through Sheffer stroke gate (453), (454), cycling switch (456), transistor (455) and aforementioned triode (443), be fed back to music integrated circuit (42), (43), when cycling switch (456) is closed, can trigger music integrated circuit (42), (43) for the second time, reach the purpose of replay music.The circulation that the tinkle of bells is reset is achieved in that by the triggering output terminal of music integrated circuit (42) and produces clock input signal in another counter (44) through Sheffer stroke gate (441), (442), by the required the tinkle of bells number of times of counter (44) control, produce output signal and be fed back to music integrated circuit (42) and (43) through triode (443), to reach the purpose that produces suitable number of times the tinkle of bells.

For make this electronic type time signal clock can with general telltale clock automatically to the time, be provided with an automatic time setting circuit (9), the trigger end of this circuit is connected on the contact of telltale clock (91), sees shown in Figure 4.When contact (91) was connected, three times of pot life integrated circuit (1) were adjusted with setting button (101)-(103) and all are noble potential.And because this time integrated circuit (1) has the character of above-mentioned three end points auto zero when being noble potential, therefore can make this time signal clock in every day the midnight aimed at telltale clock just automatically in ten two o'clock.

The concrete structure of relevant above-mentioned automatic time setting circuit (9) can be referring to Fig. 4.This circuit is made up of several Sheffer stroke gates (92)-(95) and delay circuit (96).After contact (91) closure, the input high potential signal divides the two-way transmission.One the tunnel via Sheffer stroke gate (92), delay circuit (96) and another Sheffer stroke gate (95) with count adjustment end (SD) second and be connected, another road then via other two Sheffer stroke gates (93), (94) and with adjust end (F) fast, at a slow speed, (S) is connected.So just can after contact (91) is connected, time integrated circuit (1) be made zero, reach the purpose synchronous with telltale clock.

Claims (9)

1, a kind of electronic type time signal clock, comprise a time integrated circuit, a digital indicator and a clock pulse oscillator, described clock pulse oscillator provides clock pulse signal to described time integrated circuit, and connecing digital indicator, the output of time integrated circuit demonstrates the time, it is characterized in that, the output signal of described time integrated circuit import respectively two each the representative hour with minute demoder be transformed into binary data, again this binary data is imported a read-write memory as address date, the data terminal of described read-write memory is then as the output signal interface that drives striking mechanism or other external device, one initialization circuit is arranged in addition in addition, join with read-write input end and each data terminal of described read-write memory, utilizing described setting apparatus to set read-write memory is the current potential of writing state and setting each data terminal.

2, electronic type time signal clock according to claim 1, it is characterized in that, described time signal clock inside is provided with the music integrated circuit with multiple music rhythm, and with the synthetic laggard line output of the signal of the music integrated circuit of two different frequencies, other has a reset circuit, described reset circuit comes then in trigger pip, earlier with the inner zero clearing of music integrated circuit, also has one to utilize two delay counters to realize the cycling circuit of music and the tinkle of bells cycle index.

3, electronic type time signal clock according to claim 1, it is characterized in that, described time signal clock comprises an initialization circuit, described initialization circuit is respectively equipped with the button that is connected with the read-write input end and the data terminal of read-write memory, and is provided with in order to display button and whether imports and each data terminal set condition that is play the indicator that the pilot lamp of which kind of music shows.

4, electronic type time signal clock according to claim 1, it is characterized in that, a pulse output line of representing the midnight to arrive constantly of described time integrated circuit be connected to one week counter pulse input end, described week each output terminal of counter be connected to the pilot lamp that shows week numerical value respectively.

5, as claim 1 or 3 as state the electronic type time signal clock, it is characterized in that, the control input end of described read-write memory and one opens and closes circuit and links to each other, described keying circuit comprises two switches, one of them switch changes the state of the control input end of storer, another switch then with aforementioned week counter output terminal on Sun. be connected to the control input end of described storer.

As electronic type time signal clock as described in claim 1 or 3, it is characterized in that 6, each of described initialization circuit set and included the phase inverter that triggers power, prevents misoperation in order to improve in button loop.

7, electronic type time signal clock according to claim 1, it is characterized in that, on two high address end of described read-write memory, be connected to the change-over switch of forming by two knife switches, the described change-over switch of storer mat and be divided into four kinds of storage compartments is serially connected with a selector switch in addition between the data output end of storer and driving interface.

8, electronic type time signal clock according to claim 1 is characterized in that described time signal clock comprises that also the contact of an input end and telltale clock joins, and output terminal is connected to the time of time integrated circuit and adjusts with the automatic time setting circuit of setting button.

9, as electronic type time signal clock as described in claim 7 or 8, it is characterized in that described automatic time setting circuit comprises the logic gate and the delay circuit of serial connection, the output terminal of described delay circuit is connected to the number adjustment second end of time integrated circuit via a logic gate.

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