CN201039111Y

CN201039111Y - Timer

Info

Publication number: CN201039111Y
Application number: CNU2007201194917U
Authority: CN
Inventors: 程绪超; 何唯平
Original assignee: SHENZHEN OCEAN POWER FOOD TECHNOLOGY Co Ltd; Shenzhen Oceanpower Industrial Co Ltd
Current assignee: SHENZHEN OCEAN POWER FOOD TECHNOLOGY Co Ltd; Shenzhen Oceanpower Industrial Co Ltd
Priority date: 2007-04-09
Filing date: 2007-04-09
Publication date: 2008-03-19
Anticipated expiration: 2017-04-09

Abstract

The utility model discloses a timer, which comprises an SCM, a control device, a display device and an input end. The control device comprises a relay; the display device comprises a numeral tube, a plurality of registers and a plurality of indicator lights; the input end comprises a plurality of keystrokes. The control device, the display device and the input end are all connected with the SCM. The timer provided by the utility model utilizes the SCM cooperated with a software to program, not only can adjust the fan operating time and stop time, but also can intermittently work by stages; compared with the original production, the utility model is more friendly, after the body is cold, the fan can automatically stop, after a moment when the body feels hot, the fan can also automatically operate, the normal sleep is ensured, and the existing energy is saved.

Description

Timer

[technical field]

The utility model relates to a kind of timer, relates in particular to the adjustable timer of a kind of batch (-type).

[background technology]

In hot summer, fan has become requisite article in people's daily life.Traditional fan timer generally belongs to mechanical timer, its function singleness, and hommization is relatively poor.

The general people of fan timing function used in when sleep, particularly during the broiling summer,, not only waste energy, and blown flu easily if fan one is heading straight for when sleeping evening, but and long-time running fire hazard also; If use common timing function, can only be at beginning a period of time pectinid, timing to after will stop, health heating again after a period of time, need to open once more fan again ... turn from side to side down so repeatedly, or hot the sweaing all over of quilt in midnight, be forced to have a shower, in a word, had a strong impact on people's sleep quality.

Therefore, how to provide the adjustable timer of a kind of batch (-type) to become current urgent problem.

[summary of the invention]

The timer that provides a kind of batch (-type) adjustable is provided the purpose of this utility model.

For achieving the above object, the timer that the utility model provides comprises a single-chip microcomputer, a control device, a display unit and an input.This control device comprises a relay; This display unit comprises a charactron, some shift registers and some lamps of instigating; This input comprises plurality of keys.Described control device, display unit and input all are connected with single-chip microcomputer.

The timer that the utility model provides utilizes described single-chip microcomputer to cooperate software programming, not only can adjust the running time and the dwell time of fan, and service intermittent by stages, than the hommization more of original product, health fan nice and cool after, it can stop automatically, health is felt again after the heat a moment later, it can bring into operation again automatically, has guaranteed ortho, has saved the existing energy.

[description of drawings]

Below in conjunction with drawings and Examples the utility model is carried out further detailed description.

Fig. 1 uses the circuit theory diagrams of novel timer for this.

Fig. 2 uses the flow chart of novel timer for this.

[embodiment]

By describing technology contents of the present utility model, structural feature in detail, being reached purpose and effect, below in conjunction with embodiment and cooperate graphic detailed description the in detail.

It is core that this timer adopts the single-chip microcomputer of current cheapness, is made of basic peripheral circuit.System mainly is divided into the hardware and software two large divisions.

See also Fig. 1, this timer comprises a single-chip microcomputer, a control device, a display unit and an input.This control device comprises a relay; This display unit comprises a charactron, some shift registers and some lamps of instigating; This input comprises plurality of keys.Described control device, display unit and input all are connected with single-chip microcomputer.

Electric capacity

14,15 constitutes decoupling circuit and is connected to power supply 5V voltage, so that provide pure power supply to

MCU.Resistance

19,20 and button 9 constitute simple reset circuit, are connected to the resetting pin Pinl of single-chip microcomputer.Resistance 21 and electric capacity 16 are formed cheap oscillating circuit and are connected to single-chip microcomputer OSC1 pin, to provide clock to MCU.Constitute drive circuit by resistance 22 and field effect transistor 6 and be connected the RCO pin.Relay 5 and fly-wheel diode 12 and form the switch operating part jointly by the absorption circuit that resistance 23 and electric capacity 17 constitute.Four

buttons

10,11,12,13 are connected respectively on RB7, RB6, RB5, the RB4 of MCU, other end ground connection, and

resistance

24,25,26,27 constitutes pull-up resistors simultaneously.RD2 outer meeting resistance 29 and indicator light 8 show the relay attracting state; RD3 outer meeting resistance 28 and indicator light 7 show the relay off-state; The SPI serial communication mode is adopted in the display part, provides clock by RC3, and RC5 provides and wants data presented, and

shift register

2 and 3 is converted to parallel data to serial data and exports the LED4 demonstration to.Wherein, 16,21 provide oscillation source for single-chip microcomputer among the figure; 6,18,22 form drive circuit; 2,3,4 and 30～46 form the display part; 7,8,28,29 are used to refer to current working state, and red light is bright for stopping, and green light is bright for moving.10,11,12,13 are respectively " pattern ", " rising ", " decline ", " affirmation " button.

Connect circuit according to the schematic diagram that provides among Fig. 1, and source program is converted into burned single-chip microcomputer behind the HEX file, system can start working.

See also Fig. 2, common people are the weather comparative heat when just falling asleep, temperature slightly descends during midnight, time-division in early morning is comparatively nice and cool. like this, just being divided into three phases an evening. in each stage, be further divided into two states (move and stop), the two states cycle alternation finished up to this stage, automatically enter the two states of next stage again, continue to move in circles ... after lasting till the phase III end, it is out of service just to cut off the electricity supply always. three phases parameter (P1, P4, P7) add the two states [(P2 in each stage, P3), (P5, P6), (P8, P9)], always have nine parameters, all parameters can utilize button freely to adjust as required. like this, needs in the time of just can making conventional fan satisfy sleep have guaranteed people's sleep quality effectively.

At first each internal register initialization begins to be designed to relay closes, and green light is lighted simultaneously.System brings into operation then, and timer internal is started working, in first section running time P1, batch (-type), changes in second section time P4 after exceeding time P1 automatically according to P2, the operation of P3 parameter, batch (-type) is according to P5, the operation of P6 parameter, after exceeding time P4, change over to automatically in second section time P7, batch (-type) is according to P8, the operation of P9 parameter, after exceeding time P7, automatically change halted state over to, relay disconnects, and all indicator lights extinguish.

For the ease of understanding, now lift an object lesson and illustrated.

If begin at 22 o'clock of evening to have a rest, realize following fan control:

22～24 o'clock: move 30 minutes, stop 10 minutes;

00～03 o'clock: move 20 minutes, stop 20 minutes;

03～07 o'clock: move 10 minutes, stop 30 minutes;

Can realize by following step:

The first step shown in accompanying drawing one, connects circuit, and 5 normally opened contact is connected in the live wire of fan;

In second step, give the fan energized, and use the 5V power supply to power to system;

The 3rd step showed 01 (default setting is that relay was connected 1 minute, stops 1 minute) behind the system boot, green light is lighted, and expression moves.

The 4th step pushed button after 10, and charactron shows P1, pushed button after 13 again, and charactron shows total time phase I 00, and unit be hour, pushed button 11 twice again, made charactron show 2, pressed 13 again, returned demonstration P1.So just adjusted first parameter P1, the time that makes the phase I is 2 hours.

The 5th step, on the basis in the 4th step, press 11 again, show P2, after pressing 13 again, show running time 00 in the phase I, unit is minute that continuous several times presses 11, demonstration is become till 30, press 13 again, return demonstration P2. and just adjusted second parameter, be 30 minutes the running time in the phase I.

The 6th step, on the basis in the 5th step, press 11 again, show P3, after pressing 13 again, show dwell time 00 in the phase I, unit is minute that continuous several times presses 11, demonstration is become till 10, press 13 again, return demonstration P3. and just adjusted the 3rd parameter, the dwell time in the phase I is 10 minutes.

With same method, adjust each parameter in second stage and phase III, press 10 at last, show current state and remaining time (unit be minute).

Set fully, system just begins automatic operation, and after the time of phase III finished, fan stopped automatically, does not rerun.

In sum, the timer of the utility model not only can be adjusted the running time and the dwell time of fan, and service intermittent by stages, than the hommization more of original product, health fan nice and cool after, it can stop automatically, health is felt again after the heat a moment later, it can bring into operation again automatically, has guaranteed ortho, has saved the existing energy.

Claims

1. timer, it is characterized in that: this timer comprises a single-chip microcomputer; One control device, this control device comprises a relay; One display unit, this display unit comprises a charactron, some shift registers and some lamps of instigating; And an input, this input comprises plurality of keys; Described control device, display unit and input all are connected with single-chip microcomputer.