CN104183420B - Mechanical rotary digital display electronic timer - Google Patents
Mechanical rotary digital display electronic timer Download PDFInfo
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- CN104183420B CN104183420B CN201410419562.XA CN201410419562A CN104183420B CN 104183420 B CN104183420 B CN 104183420B CN 201410419562 A CN201410419562 A CN 201410419562A CN 104183420 B CN104183420 B CN 104183420B
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Abstract
The invention discloses a mechanical rotary digital display electronic timer which is simple to operate, low in cost and capable of setting multiple use functions and operation time through forward and reversing rotation. The timer comprises an LED indication lamp, a dibit nixie tube, a micro switch and a rotary encoding switch, wherein the LED indication lamp is arranged on a circuit board and displays use functions, the dibit nixie tube can display use function operation time, the micro switch is used for determining the use functions and the operation time, and the rotary encoding switch is provided with an elastic contact switch mechanism. The elastic contact switch mechanism comprises two switches, and can generate two kinds of time sequence state signals when a knob rotates anticlockwise or clockwise from a set initial position and send the signals to a control circuit, the two switches can be switched off or switched on at the same time or one switch is switched on or one switch is switched off through the signals, and the control circuit sets the work state of the timer to be in the work state of the use function corresponding to a time sequence state. Setting of the use functions and the corresponding operation time can be finished by rotating the knob for one circle, and operation procedures of household electric appliances are greatly simplified.
Description
Technical field
The present invention relates to a kind of intervalometer, particularly to a kind of electronic timer of mechanical type rotating numerical monitor.
Background technology
At present, in household electrical appliances market, whether intervalometer used can have outstanding feature as measurement household appliances itself
One key factor, it not only determines the appearance and modeling of household appliances control panel part, and determines household appliances
Using function.
Taking washing machine timer as a example：The washing machine sold in the market, particularly two-tub washing machine adopt machine mostly
Tool formula rotary timer, the setting of its timing, is that the angle by rotating machinery knob to determine.Clockwork spring conduct close to the inner portion
Machine power driving gear rotates, the contact clutch with movable contact for the gear drive, the energising of the executive component of control apparatus and disconnected
Electricity.The timing that it sets can only indicate to judge this timing from the angle of knob rotation.By institute in prior art
Some mechanical type rotating intervalometers, its internal structure can only have a kind of timing clutch order, so, this structures shape is existing
Two-tub washing machine can only have a kind of single washing or dehydration mode.
And in the market, the intervalometer used by automatic washing machine although having electronic program formula intervalometer, but due to
Circuit structure is complicated, power consumption is big, overall volume is larger, cost is improved, in addition, button is many on its guidance panel, operation is numerous
Miscellaneous, too plenty for the eye to take it all in, the simple laundry activity belonging to commonly physical labor category originally, it is converted into and need to learn operation sequence by heart
Just spendable loaded down with trivial details mental activity.And existing rotary electronic intervalometer uses rotary encoder work mostly at present
For operating element, its complex structure, high cost, it is usually used in the equipment have particular/special requirement.
Content of the invention
The technical problem to be solved in the present invention be provide a kind of simple to operate, low cost, just can be set by rotating many
Plant the mechanical type rotating digital display electronic intervalometer using function and run time.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is：
The mechanical type rotating digital display electronic intervalometer of the present invention, opens for central authorities for another end face uncovered including an end face
There are the shell in drum-shaped in hole, bottom and be fixed in the circuit board containing single chip machine controlling circuit on shell inner bottom surface,
On described circuit board, along radius, the circumferencial direction for R is uniformly provided with several and shows that this intervalometer is respectively turned on and off using function
LED light, be provided with the dibit charactron for showing described use function run time in the middle section of this circuit board,
In the microswitch being nearby provided with the described use function of confirmation and run time of described dibit charactron, go back on the board
Be provided with rotary coding switch, rotary coding switch is provided be connected with circuit board there is first switch and second switch
Elastic touch switching mechanism, the knob on described rotary coding switch can be revolved by this elastic touch switching mechanism from a teeth groove
When going in adjacent next teeth groove, the first switch closure and the second switch that sequentially generate by rotate counterclockwise disconnect, the
One switch and second switch are closed at, first switch is disconnected and being broken with second switch closure, first switch and second switch simultaneously
The second switch closure that a kind of time sequence status signal opened and rotating clockwise sequentially generates and first switch disconnection, second open
Close with first switch be closed at, second switch disconnect with first switch close, second switch and first switch simultaneously switch off
Another kind of time sequence status signal sends to described control circuit and by this control circuit by the working condition fixation of this intervalometer
In use function operation state corresponding with described time sequence status signal.
Described circuit board is circle, and described microswitch and single-chip microcomputer are placed in the top of described dibit charactron, in this electricity
It is additionally provided with fixing for the base of rotary coding switch positioning fixing hole on the board, described first switch and the on the plate of road
The pin bores of two switches and the affixed blocked hole on circuit boards of button by described for startup microswitch closure.
Described rotary coding switch is made up of described base, rotating disk and described elastic touch switching mechanism, described base
The disk being provided with the medium pore of circle by center and a rectangular disk being located at disc circumference are integrally formed, in described medium pore
Periphery is provided with upwardly extending inward flange, is provided with upwardly extending outward flange on the neighboring of base, sets in the bottom of base
There is pluggable locating dowel in the described positioning fixing hole on circuit board；Described rotating disk is to be arranged at inward flange and outward flange
Between annular fluted disc, several knuckle-tooth are uniformly provided with the neighboring of this annular fluted disc, the inward flange of rotating disk is to prolong upwards
The hollow shaft type cylinder stretched, being provided with this cylinder can be with the screens of described knob clamping；Described elastic touch switching mechanism sets
It is placed in rectangular disk；Described button is placed in described central authorities in the hole, and its base is placed in the keys upwards of described microswitch, presses at this
It is additionally provided with back-moving spring between button top cover and dibit charactron.
Described elastic touch switching mechanism is made up of two groups of the left and right contrary touch switch of structure equidirectional, every group of shake-up
Switch is made up of electrode slice, trunnion, conductive arm and torsionspring；Described electrode slice be set up in parallel left pole piece, middle pole piece and
Right pole piece, it is close to the setting of described outward flange, and its lower end is connected with control circuit by circuit board, left pole piece and middle pole piece it
Between form described first switch, form described second switch between right pole piece and middle pole piece；Described trunnion vertically described square
Shape card is fixed in the side in this rectangular disk, one end of described conductive arm be connected on described trunnion and with described left pole piece
Or right pole piece is conductively connected, its other end is cylindrical free end, and described torsionspring is enclosed within described trunnion between rectangle
Between the outward flange of pan portion and corresponding conductive arm；Free end on two groups of conductive arms is oppositely arranged and in corresponding torsionspring
Under elastic reaction, it is co-located in during the resting position at place before this intervalometer is arranged every time on described rotating disk between adjacent two teeth
In teeth groove；When pressing the free end on described conductive arm when the knuckle-tooth front on described rotating disk, this free end and described middle pole
Piece touches and connects first switch or second switch；Press the free end on two conductive arms when described knuckle-tooth front simultaneously
When, the free end of two conductive arms touches and connects first switch and second switch with described middle pole piece simultaneously.
Described knob is hollow shaft type sleeve, is evenly distributed with the skid resistance strip of projection, at it on this sleeve outward flange
Inward flange is provided with locating slot and the Elastic buckle that can be installed on this knob on disc tumbler cylinder, and knob can be synchronous in the same direction with rotating disk
Rotate.
Described LED light is eight.
The pressure button cover playing role in decoration is provided with button, this pressure button cover is made by transparent plastic material with button, presses
Button cover is in the circular arc that can amplify dibit numeral method digit optical with the shape of button top cover.
The snoot that the scattering anaclasis of point source can be changed into directional light injection is additionally provided with described LED light.
Described control circuit is made up of single-chip microcomputer, LED display circuit, dibit charactron circuit and ghyristor circuit, described
Rotary coding switch is connected between " P2.3 " foot of single-chip microcomputer and " P2.4 " foot.
Described control circuit is made up of single-chip microcomputer, LED display circuit, dibit charactron circuit and ghyristor circuit, described
The left pole piece of rotary coding switch is connected with " P2.3 " foot of single-chip microcomputer, and its right pole piece is connected with " P2.4 " foot, middle pole piece with ground
It is connected.
The present invention is that the rotary digital for appliance design shows, is based on monolithic processor controlled electronic timer, uses
Control in household electrical appliance executive component.Due to employing the rotary coding switch with elastic touch switching mechanism, both retained
Mechanical type rotating timer operation feature simply easy to use, has a flexible and changeable random setting of electronic program intervalometer again
Feature, be different from existing rotation digital display electronic timer can only single setting timing function.It is especially used in washing machine
On, not only can arbitrarily set timing with the mode of rotary knob and (such as washing, dehydration, the water inlet of all use functions
Use function with draining etc.) all can be realized by way of rotary knob, that is, only need to by operate a timer knob and
Several settings using function and corresponding run time just can be completed in a swing circle.Enormously simplify domestic
The operation sequence of electrical equipment, suits the taste of both old and young.The present invention passes through simple setting, you can use upgrading or the increasing of function with household appliances
Make adaptive change more.
Present configuration is compact, compact durable, integrate multiple operating functions, its low cost, easy to use.
Brief description
Fig. 1 is the appearance schematic diagram of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is for A-A in Fig. 1 to sectional view.
Fig. 4 is circuit board schematic diagram of the present invention.
Fig. 5 is Fig. 4 left view.
Fig. 6 is the rotary coding switch schematic diagram of the present invention.
Fig. 7 is Fig. 6 top view.
Fig. 8 is Fig. 7 left view.
Fig. 9 is the button top view of the present invention.
Figure 10 is B-B direction sectional view in Fig. 9.
Figure 11 is the pressure button cover top view of the present invention.
Figure 12 is Figure 11 left view.
Figure 13 is the microswitch schematic diagram of the present invention.
Figure 14 is one of spotlight schematic diagram of the present invention.
Figure 15 is the two of the spotlight schematic diagram of the present invention.
Figure 16 is the three of the spotlight schematic diagram of the present invention.
Figure 17 is that the rotary coding switch of the present invention is placed in top view during initial position.
Figure 18 be Figure 17 in rotary coding switch rotate counterclockwise to first switch close when schematic diagram.
Figure 19 is that the rotary coding switch in Figure 17 is clockwise to schematic diagram during second switch closure.
Figure 20 is that the rotary coding switch in Figure 17 turns to schematic diagram when first and second switch all closes.
Figure 21 is C1 portion enlarged diagram in Figure 17.
Figure 22 is D1 portion enlarged diagram in Figure 18.
Figure 23 is E1 portion enlarged diagram in Figure 19.
Figure 24 is F2 portion enlarged diagram in Figure 20.
Figure 25 is the circuit theory diagrams of the present invention.
Reference is as follows：
Circuit board 1, single-chip microcomputer 11, LED light 12, dibit charactron 13, microswitch 14, connector socket 15, positioning
Fixing hole 16, pin bores 17, blocked hole 18, rotary coding switch 2, base 21, disk 211, rectangular disk 212, inward flange 213,
Outward flange 214, medium pore 22, rotating disk 23, knuckle-tooth 231, teeth groove 232, screens 233, cylinder 234, locating dowel 24, elastic touch are opened
Shutting mechanism 3, trunnion 31, conductive arm 32, free end 33, torsionspring 34, left pole piece 35, middle pole piece 36, right pole piece 37, initial bit
Put 38, knob 4, sleeve 41, Elastic buckle 42, locating slot 43, skid resistance strip 44, button 5, back-moving spring 51, lock 52, button
Cover 6, diffuser 7, shell 8, bottom 9.
Specific embodiment
The mechanical type rotating digital display electronic intervalometer of the present invention is mainly used on laundry facilities for setting various laundry work(
Can (e.g.：Washing, dehydration, drying, water filling or draining etc., hereinafter referred to as：Using function) and corresponding function run time
And for needing to set the home appliance that multiple difference operational modes and its selection of different run times control.
As shown in Figure 1, 2, 3, it is by circuit board 1, the control circuit with single-chip microcomputer 11, is arranged on this circuit board 1
Show the LED light 12 (preferably eight LED lights 12 of the present invention) being turned on and off using function gear, make for display
Use work(with the dibit charactron 13 of function run time, rotary coding switch 2, the setting being arranged on rotary coding switch 2
The knob 4 of energy or run time, startup are constituted using the button 5 of function operation and shell 8.
It is characteristic of the invention that be provided with rotary coding switch 2 be connected with circuit board 1 there is first switch and
The elastic touch switching mechanism 3 of two switches, this elastic touch switching mechanism 3 can be by the knob 4 on described rotary coding switch 2
When from a teeth groove 232 rotating to adjacent next teeth groove 232, close by the first switch that rotate counterclockwise sequentially generates
With second switch disconnect, first switch and second switch are closed at, first switch disconnects and second switch closure, first switch
A kind of time sequence status signal of simultaneously switching off with second switch and rotate clockwise the second switch closure sequentially generating and the
One switches off, second switch and first switch are closed at, second switch disconnects and first switch closure, second switch and the
The one another kind of time sequence status signal that simultaneously switches off of switch sends to described control circuit and by this control circuit by this timing
The working condition fixation of device is in use function operation state corresponding with described time sequence status.I other words, in the list of control circuit
It is built-in with signal authentication data storehouse in advance in piece machine 11, when described knob 4 is counterclockwise or when turning clockwise, the opening of connection first
Close and in turn switch on later switch time sequencing can as a kind of signal input to single-chip microcomputer 11, single-chip microcomputer 11 through with its in
The data putting storage compares, and judges to show that now should be set in that uses function, is then arranged on this intervalometer described
The working condition of time sequencing corresponding use function.
As shown in Figure 4,5, described circuit board 1 is circle, and described charactron 13 is dibit charactron 13, and it is placed in this circuit
The central authorities of plate 1, are provided with microswitch 14 and single-chip microcomputer 11 above it, thereunder the wiring toward outside circuit board 1 for the company of being provided with
Socket 15, along radius, the circumferencial direction for R is uniformly arranged described LED light 12, and the value of R can be big according to specific equipment
Depending on little, the present invention is preferably not less than 2cm, is additionally provided with and for the base 21 of rotary coding switch 2 is fixed on this on this circuit board 1
First switch in positioning fixing hole 16 on circuit board 1, the described elastic touch switching mechanism 3 on rotary coding switch 2 and
The pin bores 17 of second switch and the blocked hole 18 of this timer button 5 affixed.
As shown in figure 25, described control circuit is by single-chip microcomputer 11, LED display circuit, charactron 13 circuit and controllable silicon
Circuit is constituted, and described rotary coding switch 2 is connected between " P2.3 " foot of single-chip microcomputer 11 and " P2.4 " foot.Described single-chip microcomputer 11
Model STC89C52RC, it is possible to use the singlechip chip of other same types.
As shown in Fig. 6,7,8, described rotary coding switch 2 is the critical piece of man-machine interaction, and it is by base 21, rotating disk 23
Form with described elastic touch switching mechanism 3.
Described base 21 is provided with the disk 211 of medium pore 22 of circle and a square being located at disk 211 periphery by center
Shape disk 212 is integrally formed, and is provided with upwardly extending inward flange 213 with outward on the periphery of medium pore 22 and the neighboring of base 21
Flange 214, is provided with pluggable locating dowel 24 in the described positioning fixing hole 16 on circuit board 1 in the bottom of base 21；
Described rotating disk 23 is the annular fluted disc being arranged between inward flange 213 and outward flange 214, on the neighboring of this annular fluted disc all
Even be provided with several knuckle-tooth 231, form teeth groove 232 between adjacent knuckle-tooth 231, the inward flange of rotating disk 23 is upwardly extending hollow
Shaft type cylinder 234, being provided with this cylinder 234 can be with the screens 233 of described knob 4 (as shown in Figure 11,12) clamping；Described bullet
Property touch switch mechanism 3 is arranged in rectangular disk 212；Described button 5 is placed in described medium pore 22, and its base is placed in described micro-
The keys upwards of type switch 14, are additionally provided with back-moving spring 51 between this button 5 top cover and charactron 13.
Described elastic touch switching mechanism 3 is made up of two groups of the left and right contrary touch switch of structure equidirectional, and every group is touched
Dynamic switch is made up of electrode slice, trunnion 31, conductive arm 32 and torsionspring 34；Electrode slice described in two groups of touch switch is tight
Paste left pole piece 35, middle pole piece 36 and the right pole piece 37 that described outward flange 214 is set up in parallel, left pole piece 35 and right pole piece 37 pass through electricity
Road plate 1 is connected with " P2.3 " foot of single-chip microcomputer 11 and " P2.4 " foot respectively, and middle pole is connected to the ground terminal of circuit board 1.
Vertically described rectangular disk 212 face is fixed in side in this rectangular disk 212 to described trunnion 31, described conductive arm 32
One end is connected on described trunnion 31 and is conductively connected with described left pole piece 35 or right pole piece 37, and its other end is cylindrical
Free end 33, described torsionspring 34 is enclosed within described trunnion 31, and the two ends holding of this torsionspring 34 is in rectangular disk 212
Between outward flange 214 and corresponding conductive arm 32.
Free end 33 on two conductive arms 32 is cylinder, is oppositely arranged therebetween and the elasticity in corresponding torsionspring 34
Under effect, it is co-located in described in initial position 38 (resting position being located before i.e. intervalometer is arranged every time) that intervalometer sets
In described teeth groove 232 on rotating disk 23.The width of teeth groove 232 is preferably provided with being slightly on two conductive arms 32 certainly by the present invention
By the diameter holding 33 cylinders, so, produced described time sequence status signal during rotary knob 4, lag time is short.Described knuckle-tooth
231 increments are round and smooth, and during rotary knob 4, on knuckle-tooth 231, round and smooth increment and the face of cylinder of described free end 33 touch, this structure
Light lubricious good hand touch when knob 4 not only can be made to rotate, and, when release is to the turning moment of knob 4, described conductive arm 32
On free end 33 described torsionspring 34 elastic force act under, can easily force very much rotating disk 23 to return back to resting state
(when i.e. the free end 33 on two conductive arms 32 is co-located in a teeth groove 232, be resting state).
Form described first switch between left pole piece 35 and middle pole piece 36, between right pole piece 37 and middle pole piece 36, form institute
The second switch stated, when intervalometer fixation is in described initial position, first switch and second switch are in off-state
(as shown in Figure 17,21).In described rotating disk 23 counterclockwise or when rotating clockwise (i.e. rotary knob 4), knuckle-tooth 231 thereon is just
Face press free end 33 on described conductive arm 32 this free end 33 can be touched with described middle pole piece 36 that is to say, that
Left pole piece 35 can be connected with middle pole piece 36 by it with middle pole piece 36 or right pole piece 37, i.e. closure first switch or second switch
(as shown in Figure 18,19,22,23)；When described knuckle-tooth 231 front the free end on two conductive arms 32 is pressed simultaneously to in
When pole piece 36 touches, now, first switch and second switch are closed (as shown in Figure 21,24) simultaneously.
Single-chip microcomputer 11 passes through to identify the state in front and back with second switch on-off for the first switch of rotary coding switch 2
(i.e. described time sequence status), determine that rotary coding switch 2 rotates clockwise or rotates counterclockwise, determine this timing with this
Which kind of device currently should be arranged at and use functional statuses, and starts microswitch and determine this and use function by pressing the button
The time of work.
Single-chip microcomputer 11 identifies that the mode of signal is as follows：
1st, a signal identification：
1) when rotate counterclockwise knob 4, described rotating disk 23 is in off-state (such as by first switch and second switch
Figure 17, shown in 21) described initial position (when i.e. the free end 33 on two conductive arms 32 is placed in a teeth groove 232)
Start to rotate, first to first switch closure, second switch off-state (as shown in Figure 18,22), then to first switch, the
Two switches are closed at state (as shown in Figure 20,24), then go to first switch disconnection, second switch closure state (as schemed
19th, shown in 23), when the free end 33 being turning lastly on two conductive arms 32 is co-located in adjacent next teeth groove 232, that is,
One switch is in during off-state (as shown in Figure 17,21) with second switch again, and single-chip microcomputer 11 judges to show that knob 4 is counterclockwise
Rotation completes a signal identification.
2) in the same manner, when turn clockwise knob 4 when, single-chip microcomputer 11 also judges to draw that knob 4 turns clockwise completing
Secondary signal identification.
2nd, multiple signal identification：
When after completing a signal identification, continue counterclockwise or the knob 4 that turns clockwise is repeatedly performed and multiple once believes
The process of number identification, single-chip microcomputer is judged as drawing counterclockwise or have rotated several signal identifications during along pin, thus, single-chip microcomputer according to
It is previously stored in the related differentiation data of use function therein and each and show, this intervalometer should use work(at that by fixation
Can state.When this intervalometer fixation uses under function at that, accordingly show bright using the corresponding LED light of function.
Above-mentioned signal identification mode, is greatly improved a knob 4 (in i.e. rotation is turned around) in a swing circle and permits
Permitted the quantity of the use function of setting.I.e. single-chip microcomputer 11 is assured that after completing a signal identification uses a function shape
State, continuous rotary knob 4 is constantly repeatedly performed a signal identification process, it is possible to obtain arbitrarily many use functional statuses.
The further quantity passing through to increase described teeth groove 232 and the size reducing free end 33 on conductive arm 32, also may be used
To increase more signal identification processes, you can more use function to increase.
As shown in Fig. 9,10, described button 5 is coaxially disposed within the medium pore 22 of rotary coding switch 2.The lock of its lower end
Through the blocked hole 18 described in four on circuit board 1 by button 5 grafting on the circuit card 1, button 5 may only edge for button 52
The axis direction short distance displacement of medium pore 22, (now can open described miniature open to circuit board 1 direction displacement under pressure
Close 14), upspring under described back-moving spring 51 effect after release pressure.Pressure button cover 6 is buckled on button 5 as Decorative Cover, removes
Decoration is outer, because end face is arcwall face and button 5 and pressure button cover 6 are all made by transparent plastic material, so it can be seen that
The display digit of charactron 13 simultaneously works as logarithmic code pipe 13 font face amplification.
When button press 5, the base of button 5 props up microswitch 14 can be by microswitch 14 (as shown in Fig. 4,13)
Closure.When release button 5, upspring in the presence of back-moving spring 51, make button 5 on the circuit card 1 due to latching 52 clampings
Can not come off.
Described knob 4 is hollow shaft type sleeve 41, is evenly distributed with the skid resistance strip of projection on this sleeve 41 outward flange
44, locating slot 43 and the Elastic buckle 42 that can be installed on this knob 4 on the cylinder of described rotating disk 23 is provided with inner edges,
Knob 4 and rotating disk 23 can synchronous axial system in the same direction.When knob 4 is enclosed within described rotating disk 23, described locating slot 43 and Elastic buckle
42 are connected in the screens 233 on rotating disk 23.
Shell 8 be used for mounting circuit boards 1 (as shown in Figure 1,3) and fixing function indicating window, diffuser 7 (as Figure 14,15,
Shown in 16).Shell 8 is shaped as drum-shaped, and one end face is uncovered (hereinafter referred to as bung), another end face (hereinafter referred to as drum head)
Central authorities have circular hole, this shell 8 with its bung downwards, is buckled on described rotary coding switch 2, described knob 4, button 5
Both pass through the circular hole on described drum head and be placed in outside shell, described circuit board 1 by dibit charactron 13 thereon outwardly in the way of
It is fixed on the inner face of shell drum head.
Function indicating window is arranged on shell drum head, and it is made by transparent material, and its color is made as needed, for making
For decoration.The point-like light that diffuser 7 is used for LED to send diffuses into directional light as the backlight of function indicating window, works as function
Indicating window when word or figure are printed in corresponding plan-position, light and can clearly project by corresponding LED light 12
Word and the profile of figure.
On shell 8, described bunghole part is additionally provided with the bottom 9 preventing extraneous dust or moisture attack circuit board 1.
It is characteristic of the invention that rotating rotary coding switch 2 using knob 4, single-chip microcomputer 11 is according to rotary coding switch 2
The signal going out differentiates direction of rotation, then determines current use function and timing, concrete operations are as follows：
1) first select to use function
Complete a described signal identification or multiple signal identification by rotating (clockwise or counterclockwise) knob 4, if
Surely want the use function of applying, single-chip microcomputer 11 is connected according to the time sequence status that knob 4 rotates and lighted the corresponding LED using function
Display lamp 12, now, presses the button 5 and is confirmed, you can at this, this intervalometer fixation is used the corresponding working condition of function；
Afterwards, release knob 4, in the presence of described torsionspring 34, knob 4 is back to described resting state.
2) the corresponding timing of reselection fixed use function
Rotary knob 4 again, charactron 13 shows bright, if regulation clockwise turns to the time and is incremented by, rotate counterclockwise is the time
Successively decrease, then according to the direction that knob 4 rotates, single-chip microcomputer 11 determines that the charactron 13 display time is to increase or reduces.Pass through two
Secondary rotary knob 4 determines the working time under the use function of having set.Charactron 13 show value is to the maximum " 99 ", minimum
For " 0 ", its numerical value directly can see the numeral of display by transparent knob 4.
Further, according to the time length pressing the button 5 and number of times can also be pressed carry out charactron 13 timing
The conversion that display and LED light 12 function show.When being transformed under LED light 12 function dispaly state, rotary knob 4 is then
It is arranged in the LED light 12 of knob 4 periphery, can shift one by one according to the direction of rotation of knob 4 and light that (order lighting is permissible
Carry out according to prior design program).Each LED light 12 represents a kind of working condition under determining using function, LED
Display lamp 12 lights, and represents correspondence and is activated using function.It is arranged in LED light 12 quantity of knob 4 periphery, permissible
How many determinations of function used according to design.
In order to accurately represent the use function of setting, corresponding each LED light 12 on function indicating window
Put, indicate the corresponding mark using function with word or icon.
In sum, each can set arbitrary timing time span between numerical value 0-99 using function, reaches difference
The timing setting of function different time.
Claims (10)
1. a kind of mechanical type rotating digital display electronic intervalometer, including end face be another end face uncovered be that central authorities have hole
Shell (8) in drum-shaped, bottom (9) and be fixed on shell (8) inner bottom surface contain single-chip microcomputer (11) control circuit electricity
Road plate (1) it is characterised in that：On described circuit board (1), along radius, the circumferencial direction for R is uniformly provided with several and shows that this is fixed
When the LED light (12) that is respectively turned on and off using function of device, be provided with for showing in the middle section of this circuit board (1)
State the dibit charactron (13) using function run time, confirm described use in being nearby provided with of described dibit charactron (13)
The microswitch (14) of function and run time, is additionally provided with rotary coding switch (2), in rotary coding on this circuit board (1)
Switch (2) is provided with the elastic touch switching mechanism (3) with first switch and second switch being connected with circuit board (1),
Knob (4) on described rotary coding switch (2) can be rotated by this elastic touch switching mechanism (3) from a teeth groove (232)
During to adjacent next teeth groove (232), the first switch closure that sequentially generates by rotate counterclockwise and second switch disconnection,
First switch and second switch are closed at, first switch disconnects with second switch closure, first switch and second switch simultaneously
Second switch closure and first switch that a kind of time sequence status signal and rotating clockwise disconnecting sequentially generates disconnect, second
Switch and first switch are closed at, second switch is disconnected and being simultaneously switched off with first switch closure, second switch and first switch
Another kind of time sequence status signal send to described control circuit and will be fixed for the working condition of this intervalometer by this control circuit
Put in use function operation state corresponding with described time sequence status signal.
2. mechanical type rotating digital display electronic intervalometer according to claim 1 it is characterised in that：Described circuit board (1) is
Circle, described microswitch (14) and single-chip microcomputer (11) are placed in the top of described dibit charactron (13), on this circuit board (1)
Be additionally provided with the positioning fixing hole (16) base (21) of rotary coding switch (2) being fixed on this circuit board (1), described first
The pin bores (17) of switch and second switch and the button (5) closing the described microswitch of startup (14) are fixed in circuit board
(1) blocked hole (18) on.
3. mechanical type rotating digital display electronic intervalometer according to claim 2 it is characterised in that：Described rotary coding switch
(2) it is made up of described base (21), rotating disk (23) and described elastic touch switching mechanism (3), described base (21) is by hitting exactly
The disk (211) of medium pore (22) being provided with circle and a rectangular disk (212) being located at disk (211) periphery are integrally formed,
It is provided with upwardly extending inward flange (213) in the periphery of described medium pore (22), the neighboring of base (21) is provided with upwards
The outward flange (214) extending, is provided with pluggable described positioning fixing hole on circuit board (1) in the bottom of base (21)
(16) locating dowel (24) in；Described rotating disk (23) is the annular tooth being arranged between inward flange (213) and outward flange (214)
Disk, is uniformly provided with several knuckle-tooth (231), the inward flange of rotating disk (23) is upwardly extending on the neighboring of this annular fluted disc
Hollow shaft type cylinder (234), being provided with this cylinder (234) can be with the screens (233) of described knob (4) clamping；Described elasticity
Touch switch mechanism (3) is arranged in rectangular disk (212)；Described button (5) is placed in described medium pore (22), and its base is placed in
The keys upwards of described microswitch (14), are additionally provided with back-moving spring between this button (5) top cover and dibit charactron (13)
(51).
4. mechanical type rotating digital display electronic intervalometer according to claim 3 it is characterised in that：Described elastic touch switch
Mechanism (3) is made up of two groups of the left and right contrary touch switch of structure equidirectional, and every group of touch switch is by electrode slice, trunnion
(31), conductive arm (32) and torsionspring (34) composition；Described electrode slice is left pole piece (35), the middle pole piece (36) being set up in parallel
With right pole piece (37), it is close to described outward flange (214) setting, and its lower end is connected with control circuit by circuit board (1), left
Form described first switch between pole piece (35) and middle pole piece (36), formed described between right pole piece (37) and middle pole piece (36)
Second switch；Vertically described rectangular disk (212) face is fixed in side in this rectangular disk (212) to described trunnion (31), described
One end of conductive arm (32) is connected to described trunnion (31) above and is conductively connected with described left pole piece (35) or right pole piece (37),
Its other end is cylindrical free end (33), and described torsionspring (34) is enclosed within described trunnion (31) between rectangular disk
(212) between the outward flange (214) in portion and corresponding conductive arm；Free end (33) on two groups of conductive arms (32) is oppositely arranged simultaneously
Under the elastic reaction of corresponding torsionspring (34), it is co-located in described during the resting position being located before this intervalometer is arranged every time
In teeth groove (232) between upper adjacent two teeth of rotating disk (23)；Lead described in pressing when knuckle-tooth (231) front on described rotating disk (23)
During free end (33) in electric arm (32), this free end (33) and described middle pole piece (36) touch and connect first switch or the
Two switches；When pressing free end (33) on two conductive arms (32) when described knuckle-tooth (231) front simultaneously, two conductive arms
(32) free end (33) touches and connects first switch and second switch with described middle pole piece (36) simultaneously.
5. mechanical type rotating digital display electronic intervalometer according to claim 3 it is characterised in that：During described knob (4) is
Empty shaft type sleeve (41), is evenly distributed with the skid resistance strip (44) of projection, on this sleeve (41) outward flange in inner edges
It is provided with locating slot (43) and the Elastic buckle (42) that this knob (4) can be installed on rotating disk (23) cylinder (234), knob (4)
Can synchronous axial system in the same direction with rotating disk (23).
6. the mechanical type rotating digital display electronic intervalometer according to any one of claim 2-5 it is characterised in that：Described
LED light (12) is eight.
7. the mechanical type rotating digital display electronic intervalometer according to any one of claim 3-5 it is characterised in that：Pressing
Button (5) is provided with the pressure button cover (6) playing role in decoration, and this pressure button cover (6) is made by transparent plastic material with button (5), presses
Button cover (6) is in can be by the circular arc of dibit charactron (13) display digit optical amplifier with the shape of button (5) top cover.
8. mechanical type rotating digital display electronic intervalometer according to claim 6 it is characterised in that：In described LED light
(12) it is additionally provided with the snoot that the scattering anaclasis of point source can be changed into directional light injection on.
9. mechanical type rotating digital display electronic intervalometer according to claim 2 it is characterised in that：Described control circuit is by list
Piece machine (11), LED display circuit, dibit charactron circuit and ghyristor circuit are constituted, and described rotary coding switch (2) is connected to
Between " P2.3 " foot of single-chip microcomputer (11) and " P2.4 " foot.
10. mechanical type rotating digital display electronic intervalometer according to claim 4 it is characterised in that：Described control circuit by
Single-chip microcomputer (11), LED display circuit, dibit charactron circuit and ghyristor circuit are constituted, a left side for described rotary coding switch (2)
Pole piece (35) is connected with " P2.3 " foot of single-chip microcomputer (11), and its right pole piece (37) is connected with " P2.4 " foot, middle pole piece (36) with ground
It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410419562.XA CN104183420B (en) | 2014-08-25 | 2014-08-25 | Mechanical rotary digital display electronic timer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410419562.XA CN104183420B (en) | 2014-08-25 | 2014-08-25 | Mechanical rotary digital display electronic timer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104183420A CN104183420A (en) | 2014-12-03 |
| CN104183420B true CN104183420B (en) | 2017-02-15 |
Family
ID=51964387
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410419562.XA Expired - Fee Related CN104183420B (en) | 2014-08-25 | 2014-08-25 | Mechanical rotary digital display electronic timer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104183420B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616924B (en) * | 2015-01-30 | 2017-07-28 | 何杰恩 | A kind of control device |
| CN107869029A (en) * | 2016-09-28 | 2018-04-03 | 青岛海尔滚筒洗衣机有限公司 | A kind of Washing machine knob and washing machine |
| CN111616623A (en) * | 2020-06-17 | 2020-09-04 | 佛山市星曼信息科技有限公司 | Foot bath device with novel control device |
| CN117031990A (en) * | 2023-08-02 | 2023-11-10 | 大拓(山东)物联网科技有限公司 | Household appliance control method, device, equipment and storage medium based on knob screen |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55124328A (en) * | 1979-03-20 | 1980-09-25 | Omron Tateisi Electronics Co | Timer |
| JP3064147B2 (en) * | 1993-03-31 | 2000-07-12 | 松下電工株式会社 | Timer |
| JPH11195363A (en) * | 1997-10-31 | 1999-07-21 | Toshiba Lighting & Technology Corp | Timer device |
| CN2519400Y (en) * | 2001-12-26 | 2002-10-30 | 安奕精密工业股份有限公司 | Contact set of timer |
| CN2541877Y (en) * | 2002-04-05 | 2003-03-26 | 陈贤忠 | Electronic timer |
| US6798631B1 (en) * | 2002-05-03 | 2004-09-28 | Roberta Maria Farsetta | Convenience safety timer |
| CN2679830Y (en) * | 2003-11-25 | 2005-02-16 | 林思喜 | Combined mechanical timing controller |
| CN2754205Y (en) * | 2004-09-30 | 2006-01-25 | 章训 | Mechanical timer |
| CN2793905Y (en) * | 2005-04-05 | 2006-07-05 | 孙利云 | Programmable timer |
| CN201956280U (en) * | 2010-12-20 | 2011-08-31 | 竺宝庆 | Electric pressure-cooker timer |
| CN203118866U (en) * | 2013-01-17 | 2013-08-07 | 宁波艾美格电器有限公司 | An improved structure of a timer |
| CN204045500U (en) * | 2014-08-25 | 2014-12-24 | 李卫泽 | Mechanical type rotating digital display electronic timer |
-
2014
- 2014-08-25 CN CN201410419562.XA patent/CN104183420B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104183420A (en) | 2014-12-03 |
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Granted publication date: 20170215 Termination date: 20180825 |