CN2264360Y

CN2264360Y - Pedometer with liquid crystal display

Info

Publication number: CN2264360Y
Application number: CN 96204647
Authority: CN
Inventors: 王泰
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-03-26
Filing date: 1996-03-26
Publication date: 1997-10-08
Anticipated expiration: 2006-03-26

Abstract

The utility model relates to a pedometer with a liquid crystal display, which belongs to the class of counters of physical training appliances. The utility model is provided for solving the problems of high cost and single function existing in the prior art. The utility model not only comprises a shell, a power supply, a counting device and a liquid crystal display, but also is provided with a novel data input device and a sensor of the pedometer, wherein, the data input device presses a reed electrode to switch on sequential switches of some circuits one by a plurality of bulges on a rotating shaft in the process of rotation, and the sensor of the pedometer is a pendulum type vibration switch. Tests proves that the utility model has the advantages of good performance, reliable working and easy use. The utility model is particularly suitable to be used by old people and athletes.

Description

The passometer of liquid crystal display

The utility model belongs to physical training apparatus counter class, and it relates to a kind of structure of passometer of liquid demonstration.

Passometer is a kind of counter of the accumulation step number of carrying, and the elderly stroll or sportsman is taken exercise to calculate be very useful amount of exercise and the mileage number.In recent years, existing at home and abroad passometer product, they all are to adopt special-purpose large scale integrated circuit and with special-purpose liquid crystal display systems, exist to produce that investment is big, cost is high, the problem of function singleness.

The purpose of this utility model is to adopt general integrated circuit and LCDs, only is equipped with to go up special-purpose datin and sensor simple in structure, and constructibility can be reliable and the low passometer of cost.

By above design, the passometer of the liquid crystal display that this programme provided includes housing, power unit, LCDs and arithmetical unit integrated package, its concrete feature is: it also has a datin and meter step sensor, its datin is one and is provided with the multiple spot projection in rotating shaft, depresses the sequence switch that the reed electrode is one by one connected some circuits with projection in rotation; Its meter step sensor is the vibroswitch of a pendulum bell formula.

Datin in this programme is by the projection that is set in a plurality of non-conducting materials in the rotating shaft, bearing, the reed electrode, the printed circuit board (PCB) of bottom surface, the spindle nose locating shim reaches the location flexure strip that fixes with bearing and forms, there are two concentric hole rotating shaft can be erected on the bearing, one end of rotating shaft is a spline, to cooperate with knob, a plurality of projectioies are equipped with in the centre, their distributions separately are not on the bus of same cylindrical surface, another termination of rotating shaft becomes square shaft shape, and there is threaded hole at the center, there is square hole at the center of its spindle nose locating shim, can partly cooperate with the square shaft of rotating shaft end, with screw both are fixedly connected, the locating slot of this locating shim, be to form an angle and radial two the V-type grooves by the center of circle, the location flexure strip is to be contained in the bearing bottom surface, the resilient coupler body in flexure strip upper end, location, its coupler body just in time matches with groove on the locating shim, this datin contains a plurality of identical reed electrodes, one end of these reed electrodes is packed on the bearing, other end upper cantilever, and the corresponding contacts on the bottom surface printed circuit board (PCB) of connecting with desire has certain clearance, each projection in the rotating shaft is corresponding certain reed electrode, the printed circuit board (PCB) of bottom surface is contained on the bottom surface of bearing, and the contact when projection is depressed the reed electrode on it contacts with the corresponding contacts on the printed circuit board (PCB).Meter step sensor in this programme is made up of pendulum, torsion spring, little axle, torsion adjustable plate, sensitivity adjusting arm, bearing pin and fine setting gear, wherein, pendulum is the sheet metal of a triangle, porose being assemblied on the interior little axle of housing in one jiao, the torsion adjustable plate is triangularity also, there is a hole also to be contained on the little axle on it, also has a circular arc slotted hole on the torsion adjustable plate, one screw is adjusted plate by this slotted hole with torsion and is fastened on the casing inner wall, the spiral part of its torsion spring is enclosed within on the little axle, one end hangs on the pendulum, and the other end hangs on the torsion adjustable plate; One end of its sensitivity adjusting arm is porose, is contained on the bearing pin of housing, and another end connects a fine setting gear, and the interior straight-tooth of this fine setting gear and circular arc elongated slot is meshed.

Adopt this programme can embody following superiority: leaning on the clip at housing rear to be stuck on the waistband or to be contained in the upper garment pocket when use (1) is vertical state placement, body has the acceleration movement of above-below direction during because of walking or running, pendulum has formed the swing identical with the body kinematics frequency under inertia effect, every one week of swing, pendulum and the collision of sensitivity adjusting arm are once, can receive short-circuit signal between pendulum and regulating arm, this kind sensor construction is simple, reliable operation; (2) this meter goes on foot the gap of sensor and can regulate with the fine setting gear, to be applicable to the vibration situation of different motion, has improved the accuracy of work; (3) its data inputs is that rotating shaft by a datin of turn one by one is input to primary data in the arithmetical unit, and the turn-knob of its datin is unified with switch, makes and simple to operate, easy to use; (4) this passometer adopts general integrated circuit and LCDs, can save great amount of investment, and cost is reduced; (5) sensor of this passometer replaces as if the sensor with other and then can realize the counting of other purposes, wheel movement is housed on bicycle quick for this reason, the sensor in cycle, then passometer can show the distance travelled of bicycle, can develop multiple function and purposes.

Fig. 1 is the inner structure synoptic diagram of the passometer of this programme liquid crystal display.

Fig. 2 is the sketch of datin.

Fig. 3 is the transverse section sketch of datin.

Fig. 4 is a datin axle head steady arm sketch.

Fig. 5 is the structural representation of meter step sensor.

The embodiment of existing accompanying drawings this programme.This passometer compact size is similar to the size and the external form of BB machine.Two parts before and after its housing (1) is divided into, the back of closing becomes a flat rectangular parallelepiped.Front cover portion has the considerable LCDs (4) of examining of window, is fixedly mounting arithmetical unit integrated package (5) under the LCDs, and datin (3) is housed on back cover portion, power supply (6) and meter step sensor (2).The bearing of its datin (7) is contained in the housing, under bearing (7), fixing bottom surface printed circuit board (PCB) (11), the reed electrode (10) of a plurality of cantilevers also is installed on bearing, rotating shaft (8) is supported by bearing (7), stud with the projection (9) of a plurality of non-conducting materials on the face of cylinder of rotating shaft, each projection corresponding corresponding reed electrode, the contact of each reed electrode is relative with the contact on the printed circuit board (PCB) that corresponding desire is connected again, square shaft termination (12) in rotating shaft cooperates with spindle nose locating shim (13), there is radial V-type locating slot to match on the locating shim with the retainer spring sheet (14) that is contained in the bearing side, retainer spring sheet (14) cooperates two positions of opening ON and pass OFF that are equivalent to complete machine with two locating slots of locating shim (12), when knob turns over this angle, each projection in the rotating shaft one by one is passed to data in the middle of the arithmetical unit in an orderly manner, this input process is to depress the reed electrode by projection, and the connection of the contact of reed electroplax and the corresponding contacts on the printed circuit board (PCB) is realized.The pendulum (15) of its meter step sensor is contained on the little axle (17), torsion adjustable plate (21) also is enclosed within on the little axle (17), torsion spring (16) intermediate conveyor screw partly is enclosed within on the little axle (17), its two ends are hung on pendulum and the torsion adjustable plate, its sensitivity adjusting arm (20) is contained on the bearing pin (19) of housing, at the other end of regulating arm fine setting gear (18) is housed, the interior straight-tooth of circular arc elongated slot is meshed on its little gear and the housing.In use the size of quickening up and down according to different motion bodies has difference, the gap delta that can adjust between the two adapts to, under the vibration situation of motion pendulum constantly with the sensitivity adjusting arm dynamics that collides, both short-circuit signals are sent in the arithmetical unit, can accumulate the trip quantity in step.If with other working sensor, this machine also can be realized counting, the meter mileage function of other forms of motion.

The pilot sample of this programme proves through running experiment: it has functional, reliable operation, characteristics simple in structure, easy to use.

LCD in this programme is selected four displays of ED-S808 for use or is selected 8 LCD for use.Comprise 4 * CD4543 code translator and 2 * CD4518 arithmetical unit in the arithmetical unit, or, make in the large-scale circuit IC above-mentioned six integrated packages.

Claims

1, a kind of passometer of liquid crystal display, it includes housing (1), power unit (6), LCDs (4) and arithmetical unit integrated package (5), it is characterized in that it also has datin (3) and meter step sensor (2), its datin is one and is provided with the multiple spot projection in rotating shaft, one by one connect the sequence switch of some circuits in rotation: its meter step sensor is the vibroswitch of a pendulum.

2, according to claim, described passometer, the datin that it is characterized in that it is to play (9) by a plurality of projectioies that are set in the rotating shaft (8), bearing (7), reed electrode (10), the printed circuit board (PCB) of bottom surface (11), spindle nose locating shim (13), reach with the location flexure strip (14) of bearing side and form, bearing (7) has two concentric holes that rotating shaft (8) is erected, one end of rotating shaft is a spline, to cooperate with knob, center section is equipped with a plurality of projectioies, and they are not separately on the bus on the identical face of cylinder, the other end of rotating shaft is mechanical axis shape, and there is threaded hole at the center, and the strong hole, center of its spindle nose locating shim (12) can partly cooperate with the mechanical axis of rotating shaft end.And both are fixedly connected with screw, locating slot on this locating shim be form an angle pass through radial two the V-type grooves in the center of circle, its location flexure strip (14) is to be contained in whippy coupler body on the bearing side, its hook corrects with locating slot on the locating shim and matches, this input unit contains a plurality of reed electrodes (10), one end of these reeds is packed on the bearing (7), the corresponding contacts of the bottom surface printed circuit board (PCB) (11) that other end cantilever and desire are connected has certain interval, a plurality of projectioies (9) in the rotating shaft are corresponding reed electrodes separately, the bottom surface printed-wiring board (PWB) be contained in bearing below, when projection was depressed the reed electrode, the contact on it contacted with corresponding contacts on the printed-wiring board (PWB).

3, according to the described passometer of claim 1, the meter step sensor that it is characterized in that it is by pendulum (15), torsion spring (16), little axle (17), torsion adjustable plate (21), sensitivity adjusting arm (20) bearing pin (19) and fine setting gear (18) are formed, its pendulum is a leg-of-mutton sheet metal, on one jiao of interior porose little axle (17) that is assemblied on the housing, its torsion adjustable plate is triangularity also, also there is a hole to be contained on the little axle (17), also has a circular arc slotted hole on this adjustable plate, one screw is pressed on the torsion adjustable plate on the inner walls by this slotted hole, also has a torsion spring (16), its torsion spring spiral part is enclosed within on the little axle (17), all the other two ends are hung on pendulum and the torsion adjustable plate, one end of sensitivity adjusting arm (20) is porose to be contained on the bearing pin (19) of housing, the other end of regulating arm is equipped with a fine setting gear (18), and the interior straight-tooth of circular arc elongated slot is meshed on this fine setting gear and the housing.