CN208384523U - A kind of wireless non-contact gesture direction detection device - Google Patents

Abstract

The utility model relates to a kind of detection devices, a kind of wireless non-contact gesture direction detection device, including the 1st, 2,3,4 infrared mutual-tube, 1st, 2,3,4 voltage signal amplifier, 1st, 2,3,4 A/D conversion module, main control singlechip, bluetooth module, peripheral equipment and by operation computer.The utility model has the following advantages that, first is that, the page turn over operation that ppt, webpage etc. are realized by operation computer is wirelessly connected to by bluetooth module, second is that, this device control mode is contactless, by waving, movement is completed, interactivity is strong, more intuitive compared with traditional page turning tool, third is that, if installing magnet at the device back side, in the classroom of some colleges and universities, blackboard side is exactly the curtain of computer-projector, and device can be fixed on beside curtain, user can stand operates page turning by curtain, more convenient to use.

Description

A kind of wireless non-contact gesture direction detection device

Technical field

The utility model relates to a kind of detection devices, examine more specifically to a kind of wireless non-contact gesture direction Survey device.

Background technique

In colleges and universities and numerous occasions for needing guide to use ppt demonstration, in most cases, guide uses wired mouse Mark, wireless mouse, Bluetooth control pen etc. carry out page turn over operation, but these modes have its restricted.For example, wire mouse limits Personnel activity's range, and when page turning to touch pulley or left mouse button, it is meant that guide has a hand that must be available Page turning is operated, although bluetooth mouse or bluetooth Pen for turning page solve range problem, still, guide must be held by them, need Want click specific keys when page turning that function just may be implemented, not only less intuitive, interactivity is not strong, it is often more important that, guide Generally require held by both hands object, for example left hand takes the lecture notes right hand to write by chalk, and bluetooth mouse or bluetooth Pen for turning page occupy to A few hand, then take other articles inconvenient.

Summary of the invention

In order to overcome the deficiencies in the prior art, the utility model aim is to provide a kind of wireless non-contact gesture Direction detection device.The device means not limited by distance with being connected by operation computer by bluetooth module, device back side peace Magnet is filled to be adsorbed on the common blackboard in classroom, and is placed in the position by ppt curtain, it is easy to use.Guide's both hands Object can be held, and brandishes arm when not touching page turning tool and can trigger page turning, interactivity is strong, intuitive, because waving Orientation arm be designed to page turning direction it is consistent, while also eliminate with hand contact conventional tool when chalk dust be sticked to page turning work Antihygienic problem on tool.

In order to achieve the above-mentioned object of the invention, in the presence of solving the problems, such as prior art, technology that the utility model is taken Scheme is: a kind of wireless non-contact gesture direction detection device, including the 1st, 2,3,4 infrared mutual-tube, the 1st, 2,3,4 Voltage signal amplifier, the 1st, 2,3,4 A/D conversion module, main control singlechip, bluetooth module, peripheral equipment and by operation electricity Brain, wherein each infrared mutual-tube, is made of an infrared light emitting diode and an infrared photodiode, it is infrared Line emitting diode is always at emission state, and the described 1st, 2,3,4 infrared mutual-tube is believed with the 1st, 2,3,4 voltage respectively Number amplifier is connected, and for detection object position and is converted into voltage signal and gives voltage signal amplifier, the described 1st, 2,3,4 A voltage signal amplifier is connected with the 1st, 2,3,4 A/D conversion module respectively, for providing to A/D conversion module from red The voltage signal that pipe is amplified in outside line, the described 1st, 2,3,4 A/D conversion module respectively with four I/O mouthfuls of phases of main control singlechip Even, signal is successively passed into main control singlechip, the main control singlechip is connected with bluetooth module, and bluetooth module also passes through wirelessly Mode with by operation computer be connected carry out information transmitting；The main control singlechip is there are one I/O mouthfuls as output pwm signal end It supplies peripheral equipment to use, is mainly used for some expansion equipments and some equipment for not needing to use bluetooth radio operation；It is described 1st, 2,3, the 4 square distribution of shapes of infrared mutual-tube is placed in square four vertex on device and in the direction of the clock On, square side length is 5-10 times of infrared photodiode diameter.

The utility model beneficial effect is: compared with the prior art, the utility model has the following advantages that, first is that, pass through Bluetooth module is wirelessly connected to the page turn over operation that ppt, webpage etc. are realized by operation computer, therefore device can be placed on convenient position Not by space constraint, second is that, this device control mode be it is contactless, by wave movement complete, interactivity is strong, turns over tradition Page tool is compared to more intuitive, because direction of waving is exactly page turning direction, it is then relatively sanitary to be not required to contact, is not required to worry chalk dust It is sticked on page turning tool, and operator need not hold operating device means that both hands can hold prior article.Three It is that, if installing magnet at the device back side, in the classroom of some colleges and universities, blackboard side is exactly the curtain of computer-projector, device It can be fixed on beside curtain, user can stand operates page turning by curtain, more convenient to use.

Detailed description of the invention

Fig. 1 is the utility model principle block diagram.

Fig. 2 is the 1st, 2,3,4 infrared mutual-tube distribution schematic diagram in the utility model.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing.

As shown in Figure 1, a kind of wireless non-contact gesture direction detection device, including the 1st, 2,3,4 infrared mutual-tube, 1st, 2,3,4 voltage signal amplifier, the 1st, 2,3,4 A/D conversion module, main control singlechip, bluetooth module, peripheral equipment And by operation computer, wherein each infrared mutual-tube, by an infrared light emitting diode and an infrared photodiode Constituted, infrared light emitting diode is always at emission state, the described 1st, 2,3,4 infrared mutual-tube respectively with the 1st, 2, 3,4 voltage signal amplifiers are connected, and for detection object position and are converted into voltage signal and give voltage signal amplifier, institute It states the 1st, 2,3,4 voltage signal amplifier to be connected with the 1st, 2,3,4 A/D conversion module respectively, be used for A/D conversion module The voltage signal that amplifies from infrared mutual-tube is provided, the described 1st, 2,3,4 A/D conversion module respectively with main control singlechip four A I/O mouthfuls is connected, and signal is successively passed to main control singlechip, the main control singlechip is connected with bluetooth module, bluetooth module Also wirelessly with by operation computer be connected carry out information transmitting；The main control singlechip is there are one I/O mouthfuls as defeated Supply peripheral equipment in pwm signal end uses out, is mainly used for some expansion equipments and some does not need to use bluetooth radio operation Equipment；Described 1st, 2,3, the 4 square distribution of shapes of infrared mutual-tube is placed in just on device and in the direction of the clock On rectangular four vertex, square side length is 5-10 times of infrared photodiode diameter.

The detection process of the present apparatus is as follows: when the barriers such as the hand of operator move to third by first infrared mutual-tube When a infrared mutual-tube, the infrared ray that infrared emission tube issues in first infrared mutual-tube first is reflected in reception pipe Sexually revise reception pipe to the conducting of electric current, corresponding resistive voltage changes, this voltage change is put by first voltage signal It is transmitted to first A/D conversion module after big device amplification, voltage signal is made to be converted into digital quantity supply single-chip microcontroller processing by analog quantity, Single-chip microcontroller, which detects, confirms that first infrared mutual-tube is triggered really after this signal reaches a threshold value, and single-chip microcontroller waits at this time Third signal, when hand or barrier arrival third infrared mutual-tube, infrared ray, which is reflected in reception pipe, makes reception pipe The conducting of electric current is sexually revised, corresponding resistive voltage changes, this voltage change is amplified by third voltage signal amplifier After be transmitted to third A/D conversion module, make voltage signal by analog quantity be converted into digital quantity supply single-chip microcontroller processing, single-chip microcontroller receive To second signal more than a threshold value, it was demonstrated that third infrared mutual-tube is triggered, by the reception of signal twice, before this First infrared mutual-tube is triggered, followed by third infrared mutual-tube is triggered, it is possible thereby to know that hand or barrier move Dynamic direction is to generate a direction signal by first infrared mutual-tube to third infrared mutual-tube, and single-chip microcontroller is logical at this time It crosses bluetooth module to carry out wireless communication with computer, this direction signal is passed into computer, control computer realizes corresponding function, with this Being supplied on single-chip microcontroller there are one I/O mouthful outputs pwm signal corresponding with this direction simultaneously some cannot pass through bluetooth module The peripheral equipment for receiving signal uses.

Claims (1)

1. a kind of wireless non-contact gesture direction detection device, including the 1st, 2,3,4 infrared mutual-tube, the 1st, 2,3,4 Voltage signal amplifier, the 1st, 2,3,4 A/D conversion module, main control singlechip, bluetooth module, peripheral equipment and by operation electricity Brain, wherein each infrared mutual-tube, is made of an infrared light emitting diode and an infrared photodiode, it is infrared Line emitting diode is always at emission state, it is characterised in that: the described 1st, 2,3,4 infrared mutual-tube respectively with the 1st, 2, 3,4 voltage signal amplifiers are connected, and for detection object position and are converted into voltage signal and give voltage signal amplifier, institute It states the 1st, 2,3,4 voltage signal amplifier to be connected with the 1st, 2,3,4 A/D conversion module respectively, be used for A/D conversion module The voltage signal that amplifies from infrared mutual-tube is provided, the described 1st, 2,3,4 A/D conversion module respectively with main control singlechip four A I/O mouthfuls is connected, and signal is successively passed to main control singlechip, the main control singlechip is connected with bluetooth module, bluetooth module Also wirelessly with by operation computer be connected carry out information transmitting；The main control singlechip is there are one I/O mouthfuls as defeated Supply peripheral equipment in pwm signal end uses out, is mainly used for some expansion equipments and some does not need to use bluetooth radio operation Equipment；Described 1st, 2,3, the 4 square distribution of shapes of infrared mutual-tube is placed in just on device and in the direction of the clock On rectangular four vertex, square side length is 5-10 times of infrared photodiode diameter.