CN203825671U - Vibration second chronograph - Google Patents

Abstract

The utility model is applicable to the field of movement timing and provides a vibration second chronograph. The second chronograph comprises a surface shell, a rear shell, a display device, a circuit board and a battery. The second chronograph further comprises a vibration motor; a vibration motor fixing frame is further arranged on the rear face of the circuit board; the vibration motor is fixed on the fixing frame; the vibration motor is further electrically connected with the circuit board. The vibration second chronograph has the advantages of carrying out a vibration prompt, reminding a user in an outdoor place or a place with high noise and avoiding errors.

Description

Vibration stopwatch

Technical field

The utility model belongs to motion timing field, relates in particular to a kind of vibration stopwatch.

Background technology

1862, Switzerland watchmaker A. Nico has been manufactured the first mechanical stopwatch of return-to-zero fast only, before and after 1870, made the split-seconds chronograph that accuracy of timekeeping reaches 0.2 second, 1896, in the Olympic Games of Athens, bring into use stopwatch, 1936, in the 11 Olympic Games of holding in Berlin, applied photograph time set.50～seventies of 20th century, development along with electronic technology, electronic stopclock, precise electronic calculagraph and finish film device etc. have been there are, 70～eighties, in large-scale stadium, extensively adopt microcomputer-controlled timing and score keeping device, it can layout competition procedures, announce results, show various information etc., by with the coordinating of camera system, can also show the live image of briliancy grade, occur huge color display screen in daytime the beginning of the eighties.

Machinery stopwatch adopts balance spring vibrational system and clubtooth escepement, with pointer, indicates the tested period, with the manipulation of button parts, starts, stops, resetting and winds up, and what have also has additional side button.Watch face minimum scale value is 0.01 second.Electronic stopclock is a kind of digital quartz watch, and except having the function of mechanical stopwatch, the Zhou Li that also can show date, can give the correct time on schedule, timing ringing, and minimum Ce Shi unit is 0.01 second.The also band printing mechanism having.Electronic stopclock precision is high and there is no reading error, in a lot of sports items, can use.

Stopwatch is mainly used in measuring the section time, and for training, the timing that detects and compete, environment for use is mostly in place outdoor or that noise is larger.Existing technical scheme is: operation stopwatch start/stop and stopwatch segmentation button are to make a noise alert by button key sound sound.Because stopwatch adopts the button lithium battery power supply of 3 volts, stopwatch will be accomplished waterproof or waterproof construction requirement simultaneously, the key sound of stopwatch rings noisy sound size and is restricted, therefore when using stopwatch, often occurred that button operation erroneous judgement was disconnected in the past, owing to not hearing operation key sound, there is multi-pass operations button or do not start button phenomenon, causing timing error.

Utility model content

The object of the utility model embodiment is to provide a kind of vibration stopwatch, is intended to solve existing technical scheme and does not hear operation key sound, occurs multi-pass operations button or does not start button phenomenon, causes the problem of timing error.

On the one hand, a kind of vibration stopwatch is provided, described stopwatch comprises: face-piece, back cover, display device, circuit board and battery, described stopwatch also comprises: vibrating motor, the back side of described circuit board is also provided with vibrating motor fixed mount, described vibrating motor is fixed on described fixed mount, and described vibrating motor is also electrically connected to described circuit board.

Optionally, described stopwatch also comprises: buzzing sheet, and described back cover inner side is provided with fixed support, and described buzzing sheet is fixed on described fixed support, and described buzzing sheet is electrically connected to circuit board.

Optionally, described circuit board is pcb board, on described pcb board, is provided with Micro-processor MCV, and described vibrating motor is also electrically connected to specifically and comprises with described circuit board:

The positive and negative electrode of described vibrating motor is connected with diode D2 respectively at capacitor C 4, and the positive pole of described vibrating motor is also connected with the collector of triode Q2, and the negative pole of described vibrating motor is by resistance R 4 ground connection; The emitter of described triode Q2 is connected with power end VDD, and the base stage of described triode Q2 is connected with the collector of triode Q3, and the base stage of described triode Q3 is connected with MCU by resistance R 3, the grounded emitter of described triode Q3.

Optionally, described buzzing sheet is electrically connected to specifically and comprises with circuit board:

One end of described buzzing sheet is connected with power end VDD, and the other end of described buzzing sheet is connected with the collector of triode Q1, and the collector of described triode Q1 is also connected with power end VDD by inductance L 1; The grounded emitter of described triode Q1, the base stage of described triode Q1 is connected with MCU by resistance R 1.

In the utility model embodiment, the technical scheme that the utility model provides provides a kind of vibration stopwatch, by vibrating motor being installed in vibration stopwatch, like this when stopwatch is opened or stopped, vibrating motor carries out vibration prompt, to reach the advantage prompting user in place outdoor or that noise is larger.

Accompanying drawing explanation

The side cut away view of the vibration stopwatch that Fig. 1 provides for the utility model;

Fig. 2 is the vibrating motor structural representation that the utility model provides;

Fig. 3 is the display device display interface schematic diagram that the utility model provides;

Fig. 4 is the circuit diagram of the vibration stopwatch that provides of the utility model.

Embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.

The utility model embodiment provides a kind of vibration stopwatch, and this stopwatch as shown in Figure 1, 2, comprising: face-piece 101, back cover 102, display device 103, circuit board 104 and battery 108; Wherein, this stopwatch also comprises: vibrating motor 105, and the back side of this circuit board 104 is also provided with vibrating motor fixed mount 1041, and this vibrating motor 105 is fixed on fixed mount 1041, and vibrating motor 105 is also electrically connected to circuit board 104.

Optionally, above-mentioned stopwatch also comprises: buzzing sheet 109, and these back cover 102 inner sides are provided with fixed support 1021, and this buzzing sheet 109 is fixed on this fixed support 1021, and this buzzing sheet 109 is electrically connected to circuit board 104.

Be illustrated in figure 3 the demonstration schematic diagram of the display device 103 that the utility model provides, wherein, two of belows icons show respectively battery and vibration symbol.

Optionally, above-mentioned display device 103 is specifically as follows LCD display.

Optionally, foregoing circuit plate 104 is pcb board, is fixed with microprocessor (MCU) 201 on this pcb board, and above-mentioned vibrating motor 105 is also electrically connected to as shown in Figure 4 with circuit board 104, specifically can comprise:

The positive and negative electrode of vibrating motor 105 is connected with diode D2 respectively at capacitor C 4, and the positive pole of vibrating motor 105 is also connected with the collector of triode Q2, and the negative pole of vibrating motor 105 is by resistance R 4 ground connection; The emitter of triode Q2 is connected with power end VDD, and the base stage of triode Q2 is connected with the collector of triode Q3, and the base stage of triode Q3 is connected with MCU by resistance R 3, the grounded emitter of triode Q3.

Optionally, above-mentioned buzzing sheet 109 is electrically connected to as shown in Figure 4 with circuit board 104, specifically comprises:

One end of buzzing sheet 109 is connected with power end VDD, and the other end of buzzing sheet 109 is connected with the collector of triode Q1, and the collector of triode Q1 is also connected with power end VDD by inductance L 1; The grounded emitter of triode Q1, the base stage of Q1 is connected with MCU by resistance R 1.

The stopwatch of the utility model patent relates to a kind of button operation prompting stopwatch, comprising stopwatch body and detecting device. detecting device comprises housing, button, microprocessor, hummer, vibrating motor, triode, diode, inductance, electric capacity, resistance and power supply, button vibration prompt stopwatch of the present utility model both can be used as general stopwatch, timer (as boxing timer) operation indicating is used, and can when motion timing completes, make vibration prompt function again.

The stopwatch of the utility model patent adopts with the microprocessor of LCD voltage stabilizing or the power supply of microprocessor and powers after by the voltage stabilizing of 3V button lithium battery, and when vibrating motor starts like this, the LCD of stopwatch demonstration can not glimmered.

The stopwatch of the utility model patent is because button operation prompting has key sound and vibrates two kinds, some environment of the operation of stopwatch only needs key sound prompting, therefore the button vibration prompt of this stopwatch can be selected open and cancel by operation, when stopwatch zero clearing, pin segmented key (LAP key) 2 seconds, open vibration, vibration prompt symbol on LCD, show, show that timing button and countdown have vibration prompt to zero; Length is pressed segmented key 2 seconds again, cancels vibration, vibration prompt symbol disappear, show that timing button and countdown are to zero friction prompting.

The stopwatch of the utility model patent is owing to adopting vibrating motor to do button operation prompting, and generally motor current is larger, therefore must control motor current with resistance, and during motor vibrations, working current is controlled in 15MA.

The stopwatch of the utility model patent is owing to adopting vibration to do button operation prompting, and by the Software for Design of microprocessor, the time of vibration of controlling motor is about 0.25 second, has so not only met suggesting effect but also has reduced energy consumption.

The stopwatch of the utility model patent prevents that when low-voltage motor vibrations from causing microprocessor to crash and test data is lost, and therefore design is when the upper low-voltage symbol of LCD during demonstration, button still can normal running, but friction and key sound prompting.

The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims (4)

1. a vibration stopwatch, described stopwatch comprises: face-piece, back cover, display device, circuit board and battery, it is characterized in that,

Described stopwatch also comprises: vibrating motor, and the back side of described circuit board is also provided with vibrating motor fixed mount, and described vibrating motor is fixed on described fixed mount, and described vibrating motor is also electrically connected to described circuit board.

2. vibration stopwatch according to claim 1, is characterized in that, described stopwatch also comprises: buzzing sheet, and described back cover inner side is provided with fixed support, and described buzzing sheet is fixed on described fixed support, and described buzzing sheet is electrically connected to circuit board.

3. vibration stopwatch according to claim 1, is characterized in that, described circuit board is pcb board, on described pcb board, is provided with Micro-processor MCV, and described vibrating motor is also electrically connected to specifically and comprises with described circuit board:

The positive and negative electrode of described vibrating motor is connected with diode D2 respectively at capacitor C 4, and the positive pole of described vibrating motor is also connected with the collector of triode Q2, and the negative pole of described vibrating motor is by resistance R 4 ground connection; The emitter of described triode Q2 is connected with power end VDD, and the base stage of described triode Q2 is connected with the collector of triode Q3, and the base stage of described triode Q3 is connected with MCU by resistance R 3, the grounded emitter of described triode Q3.

4. vibration stopwatch according to claim 2, is characterized in that, described buzzing sheet is electrically connected to specifically and comprises with circuit board:

One end of described buzzing sheet is connected with power end VDD, and the other end of described buzzing sheet is connected with the collector of triode Q1, and the collector of described triode Q1 is also connected with power end VDD by inductance L 1; The grounded emitter of described triode Q1, the base stage of described triode Q1 is connected with MCU by resistance R 1.