CN210355826U

CN210355826U - Eye and hand coordination trainer

Info

Publication number: CN210355826U
Application number: CN201921131500.3U
Authority: CN
Inventors: 任芳谊
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-04-21
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses an eye and hand coordination training ware, which comprises an outer shell, be equipped with display screen, two at least pilot lamps, at least one button and external interface on the shell, inside power supply circuit, the little the control unit of being equipped with of shell, the signal input part of little the control unit pass through the phase inverter with the keying connection, the keying connection has the circuit of trembling that disappears, the drive end of little the control unit with two pilot lamps are connected, little the control unit's signal output part with the display screen is connected. The utility model discloses utilize and remove tremble circuit and phase inverter, eliminate the interference among the key signal, make little the control unit can accurately catch the outside interrupt signal that the button sent, promoted the degree of accuracy of test result.

Description

Eye and hand coordination trainer

Technical Field

The utility model relates to an eye-hand coordination trainer for eye-hand reaction time's test and training also can be used to the training of the speed of racing to be the first to answer a question, and relevant amusement.

Background

The eyes are the window of soul, and people can really know the surrounding things through the eyes. The hand is an important organ for understanding things, and the activity of the hand can promote the development of the brain and improve the degree of brain degeneration. The quality of the eye-hand coordination ability directly reflects the difference and the soundness of the control ability of the central nervous system of the human, so the eye-hand coordination ability is very important. Testing eye-hand reaction time is a good way to exercise eye-hand coordination, and is initially timed using a stopwatch or timer, which can affect the accuracy of the test results due to human factors.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides an eye and hand coordination trainer, which comprises a shell, wherein the shell is provided with a display screen, an indicator light and a key, and a tested person can operate only by using one finger, thereby avoiding the influence of human factors on the accuracy of a test result; the key is connected with a jitter elimination circuit and a phase inverter, so that the micro control unit can accurately capture an external interrupt signal sent by the key, and the accuracy of a test result is improved.

The utility model provides a following technical scheme:

the utility model provides an eye-hand coordination training ware, includes the shell, be equipped with display screen, two at least pilot lamps, at least one button and external interface on the shell, inside power supply circuit, the little the control unit of being equipped with of shell, the signal input part of little the control unit pass through the phase inverter with the key-press is connected, the key-press is connected with the circuit of shaking that disappears, little the control unit's drive end with two pilot lamps are connected, little the control unit's signal output part with the display screen is connected.

Furthermore, the jitter elimination circuit comprises a jitter elimination resistor R4, a jitter elimination resistor R5 and a jitter elimination capacitor C1, the positive electrodes of the jitter elimination resistor R4, the jitter elimination resistor R5 and the jitter elimination capacitor C1 are electrically connected with the pin 1A of the inverter, the jitter elimination resistor R5 is connected with the key, and the negative electrode of the jitter elimination capacitor C1 is connected with the power ground.

Further, still include the potentiometre, the display screen with the potentiometre is connected.

Further, a pin D2 of the micro control unit is electrically connected with a pin 1Y of the inverter, a pin D6 and a pin D7 of the micro control unit are electrically connected with the two indicator lights through a resistor R2 and a resistor R1, respectively, and a pin D4, a pin D8, a pin D9, a pin D10, a pin D11 and a pin D12 of the micro control unit are electrically connected with a pin DB7, a pin DB6, a pin DB5, a pin DB4, a pin E and a pin RS of the display screen, respectively.

Further, the display screen is an LCD display screen or an LED display screen.

Further, the indicator light is an LED light.

Furthermore, the micro control unit, the display screen, the phase inverter, the indicator light, the key and the jitter elimination circuit are integrated on a printed circuit board.

Further, the power supply device also comprises an external power supply, and the external power supply is connected with the power supply circuit through the external interface.

Further, the external power source is a rechargeable battery or a charger.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses well utilization disappears and trembles circuit and phase inverter, eliminates the interference among the key signal, makes little the control unit can accurately catch the outside interrupt signal that the button sent, has promoted the degree of accuracy of test result.

2. The utility model discloses well little the control unit before the test begins, inspects the operating condition of pilot lamp, guarantees going on smoothly of test.

3. The utility model discloses well display screen connects the potentiometre, can adjust the luminance and the contrast of display screen through the potentiometre.

4. The utility model discloses simple structure, it is with low costs.

Drawings

Fig. 1 is a schematic external structural view of the present invention;

fig. 2 is a schematic circuit diagram of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments, and it is to be understood that the described embodiments are merely illustrative of some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the eye and hand coordination trainer comprises a shell 1, wherein a display screen 2, a red indicator lamp 3, a green indicator lamp 4, a key 5 and an external interface 6 are arranged on the shell, a power circuit and a micro control unit are arranged inside the shell, a signal input end of the micro control unit is connected with the key through a phase inverter, the key is connected with a jitter elimination circuit, a driving end of the micro control unit is connected with the two indicator lamps, and a signal output end of the micro control unit is connected with the display screen.

The display screen can be an LCD display screen or an LED display screen. In this embodiment, the display screen 2 is an LCD display screen, and the two indicator lights are LED lights. The power supply circuit is connected with an external power supply through an external interface, the external power supply is a rechargeable battery or a charger, the connecting wire can be a USB data wire, and 5V direct current is supplied to the micro control unit, the display screen, the inverter and the like. The model of the micro control unit is Arduino Nano. The inverter model is SN74LS 14N. The micro control unit, the display screen, the phase inverter, the indicator light, the key and the jitter elimination circuit are integrated on a printed circuit board. Printed circuit boards are conventional.

Referring to fig. 2, in this embodiment, the anti-jitter circuit includes an anti-jitter resistor R4, an anti-jitter resistor R5, and an anti-jitter capacitor C1, wherein the anodes of the anti-jitter resistor R4, the anti-jitter resistor R5, and the anti-jitter capacitor C1 are electrically connected to the pin 1A of the inverter, the anti-jitter resistor R5 is electrically connected to the button S1, and the cathode of the anti-jitter capacitor C1 is connected to the power ground (pcb ground).

Referring to fig. 2, the display screen is connected to a potentiometer. Two fixed ends of the potentiometer are respectively and electrically connected with a pin VSS and a pin VDD of the display screen, and the movable end of the potentiometer is electrically connected with a pin V0 of the display screen. The brightness and contrast of the display screen can be adjusted through the potentiometer.

Referring to fig. 2, a pin D2 of the micro control unit is electrically connected with a pin 1Y of the inverter, a pin D6 and a pin D7 of the micro control unit are electrically connected with a red indicator light and a green indicator light through a resistor R2 and a resistor R1, respectively, and a pin D4, a pin D8, a pin D9, a pin D10, a pin D11 and a pin D12 of the micro control unit are electrically connected with a pin DB7, a pin DB6, a pin DB5, a pin DB4, a pin E and a pin RS of the display screen, respectively.

Other electrical symbols, labels, and words in the integrated circuit referred to in fig. 2 are not prior art and are not described. Electrical symbols, labels, and text not described are well understood by those skilled in the art.

The utility model discloses a working process is: 1) the USB data line is connected with an external interface and an external power supply, the eye-hand coordination trainer is automatically started and self-checked, the micro control unit controls the display screen to display the Hi body, the micro control unit drives the red indicator light and the green indicator light to be sequentially lighted up, and whether the display screen and the indicator light can work normally is checked. 2) After the self-checking is finished, the micro control unit controls the green indicator light to be turned off, controls the display screen to display the Push button, and prompts that the working state can be entered, and only the red indicator light is turned on at the moment. 3) At the moment, a key at the lower right is pressed, the key sends an external interrupt signal to the micro control unit, the micro control unit enters a waiting state and controls the display screen to display 'Pease wait …', the micro control unit generates a random number in a set interval and controls the green indicator light to be turned on at any time according to the generated random number, and meanwhile, the red indicator light is controlled to be turned off. 4) When the green indicator light is on, the key can be pressed. 5) After the key is pressed down, the micro control unit receives an external interrupt signal, controls the red indicator light to light up, and controls the display screen to display the key response time in seconds. Pressing the key again will jump to step 2) and start the next test.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. An eye and hand coordination trainer, comprising a shell, and is characterized in that: be equipped with display screen, two at least pilot lamps, at least one button and external interface on the shell, inside power supply circuit, the little the control unit of being equipped with of shell, the signal input part of little the control unit pass through the phase inverter with the key-press connection, the key-press connection has the circuit of trembling that disappears, little the control unit's drive end with two pilot lamps are connected, little the control unit's signal output part with the display screen is connected.

2. An eye and hand coordination trainer according to claim 1, wherein: the jitter elimination circuit comprises a jitter elimination resistor R4, a jitter elimination resistor R5 and a jitter elimination capacitor C1, the anodes of the jitter elimination resistor R4, the jitter elimination resistor R5 and the jitter elimination capacitor C1 are electrically connected with a pin 1A of the phase inverter, the jitter elimination resistor R5 is connected with the key, and the cathode of the jitter elimination capacitor C1 is connected with a power ground.

3. An eye and hand coordination trainer according to claim 1, wherein: the display screen is connected with the potentiometer.

4. An eye and hand coordination trainer according to claim 1, wherein: foot D2 of little the control unit with foot 1Y electricity of phase inverter is connected, foot D6, foot D7 of little the control unit respectively through resistance R2, resistance R1 with two pilot lamp electricity are connected, foot D4, foot D8, foot D9, foot D10, foot D11, foot D12 of little the control unit respectively with the display screen foot DB7, foot DB6, foot DB5, foot DB4, foot E, foot RS electricity are connected.

5. An eye and hand coordination trainer according to claim 1, wherein: the display screen is an LCD display screen or an LED display screen.

6. An eye and hand coordination trainer according to claim 1, wherein: the indicator light is an LED light.

7. An eye and hand coordination trainer according to claim 1, wherein: the micro control unit, the display screen, the phase inverter, the indicator light, the key and the jitter elimination circuit are integrated on a printed circuit board.

8. An eye and hand coordination trainer according to claim 1, wherein: the power supply circuit also comprises an external power supply, and the external power supply is connected with the power supply circuit through the external interface.

9. An eye and hand coordination trainer according to claim 8, wherein: the external power supply is a rechargeable battery or a charger.