CN209373539U - A kind of gesture interaction device based on virtual reality - Google Patents

A kind of gesture interaction device based on virtual reality Download PDF

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Publication number
CN209373539U
CN209373539U CN201920416841.9U CN201920416841U CN209373539U CN 209373539 U CN209373539 U CN 209373539U CN 201920416841 U CN201920416841 U CN 201920416841U CN 209373539 U CN209373539 U CN 209373539U
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CN
China
Prior art keywords
virtual reality
gesture interaction
device based
power supply
electrical stimulation
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Expired - Fee Related
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CN201920416841.9U
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Chinese (zh)
Inventor
李兆基
王海鹏
王博多
张深秋
阮伟华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Shen Qiao Medical Apparatus And Instruments Co Ltd
Sanjiang University
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Nanjing Shen Qiao Medical Apparatus And Instruments Co Ltd
Sanjiang University
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Application filed by Nanjing Shen Qiao Medical Apparatus And Instruments Co Ltd, Sanjiang University filed Critical Nanjing Shen Qiao Medical Apparatus And Instruments Co Ltd
Priority to CN201920416841.9U priority Critical patent/CN209373539U/en
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Publication of CN209373539U publication Critical patent/CN209373539U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of gesture interaction device based on virtual reality, the electrical stimulation device of the functional electrostimulation pulse of different intensity is generated including the hand data acquisition device for sending hand data to virtual scene device and according to the signal of virtual scene device, hand data acquisition device includes nine axis movement sensors for acquiring palm three-dimensional space data, five tunnels acquire the curvature sensor of digital flexion degree evidence respectively, wireless signal sending module, to palm three-dimensional space data, digital flexion degree is according to carrying out data processing and control the controller that wireless signal sending module is transferred to virtual scene device.Electrical stimulation device, which is added, in it while completing gesture identification in VR equipment can complete the enhancing of the tactile in virtual reality feedback to promote the interactive experience of user;By the way of Electronic Design, compared to existing machinery structure, equipment volume and weight can be greatly reduced, convenient for dressing for a long time.

Description

A kind of gesture interaction device based on virtual reality
Technical field
The utility model relates to virtual unit fields, and in particular to a kind of gesture interaction device based on virtual reality.
Background technique
Gesture gesture recognition is to solve a kind of interactive mode very crucial in field of virtual reality, different realization sides Formula, different equipment all can allow user to obtain different experience.In recent years, with virtual reality device by public welcome and The continuous development of human-computer interaction Human-Computer Interaction, that is, HCI science, in numerous man-machine interaction modes, hand Power-relation mutually become is best suitable for people habit interactive mode, but gesture interaction research compare the sense of hearing, vision interactive mode also Biggish gap.Its reason is mainly as caused by the complexity of people's hand dexterity, complicated skin shape and sensor.
Domestic gesture interaction mode is mainly concentrated in the differentiation for realizing finger gesture at present, is led in gesture interaction The hand ectoskeleton gone out using machine-building is occurred on domain, ectoskeleton integrates multiple motors, completes power by control motor The feedback of feel, this equipment is fairly simple in production thinking, but since ectoskeleton is integrated with multiple motors, in volume all Huger, weight compare it is heavier, be unfavorable for for a long time dress and use.
Utility model content
In order to solve the above-mentioned technical problem the utility model provides a kind of gesture interaction device based on virtual reality.
The utility model is achieved through the following technical solutions:
A kind of gesture interaction device based on virtual reality, including the hand for sending hand data to virtual scene device Portion's data acquisition device and the electric of functional electrostimulation pulse that different intensity is generated according to the signal of virtual scene device pierce Excitation device, the hand data acquisition device include:
For acquiring nine axis movement sensors of palm three-dimensional space data;
Five tunnels acquire the curvature sensor of digital flexion degree evidence respectively;
Wireless signal sending module;
According to progress data processing and wireless signal sending module general is controlled to palm three-dimensional space data, digital flexion degree Its controller for sending virtual scene device to.
This programme realizes the gesture dynamic sensing interexchanging based on virtual reality by the way of electro photoluminescence, completes in VR equipment Electrical stimulation device is added while gesture identification and helps to complete the tactile enhancing feedback in virtual reality to promote user's Interactive experience.The present apparatus is by the way of Electronic Design, compared to existing machinery structure, can greatly reduce equipment volume and again Amount, convenient for dressing for a long time.
Preferably, the electrical stimulation device is arranged on wrist strap.
Preferably, five bend curvature sensors are connect by multiplexing port with sensor.
Preferably, further including power management module, the power management module includes battery and is both connected to electric power storage The first power supply branch for powering to hand data acquisition device of pond power output end and power to electrical stimulation device the Two power supply branches.
Further, the first power supply branch and the second power supply branch include linear voltage-stabilizing circuit.
Preferably, the electrical stimulation device includes sequentially connected reception of wireless signals module, control module, stimulation electricity Road driving stage, H-type bridge, multiplexer.
The utility model compared with prior art, has the following advantages and benefits:
1, the utility model realizes the gesture dynamic sensing interexchanging based on virtual reality by the way of electro photoluminescence, in VR equipment Electrical stimulation device is added while upper completion gesture identification can complete the enhancing feedback of the tactile in virtual reality to promote user Interactive experience.The present apparatus is by the way of Electronic Design, compared to existing machinery structure, can greatly reduce equipment volume and again Amount, convenient for dressing for a long time.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application Part does not constitute the restriction to the utility model embodiment.
Fig. 1 is the principles of the present invention figure.
Fig. 2 is the hardware circuit principle block diagram of power management module.
Fig. 3 is the circuit diagram of curvature sensor.
Fig. 4 is the partial circuit schematic diagram of electrical stimulation device.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing, The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this Utility model is not intended to limit the scope of the present invention.
Embodiment 1
A kind of gesture interaction device based on virtual reality as shown in Figure 1, including hand data acquisition device and electricity thorn Excitation device, hand data acquisition device and electrical stimulation device pass through wireless signal and long-range virtual scene device carries out information Interaction.In use, the digital flexion degree that hand data acquisition device is used to acquire human hand is sent out according to and to virtual scene device The data are given, virtual scene device can be PC, mobile phone or other mobile devices, and virtual scene device leads to after completing gesture identification It crosses in virtual scene and judges that manpower generates boosting control signal to object touch condition, electrical stimulation device is according to virtual scene device Signal generate wrist portion skin of the functional electrostimulation impulse action in user of different intensity, to realize virtual reality In power tactile enhance feedback.This programme will electrical stimulation device be added gesture interaction device in, belong to it is pioneering, it is complete in VR equipment The enhancing of the tactile in virtual reality feedback can be completed at addition electrical stimulation device while gesture identification to promote the friendship of user Mutually experience.
Specifically, hand data acquisition device includes nine axis movement sensors, curvature sensor, wireless signal transmission mould Block, controller.Curvature sensor has five tunnels, is respectively used to the curvature data using each finger;Nine axis movement sensors are used In acquisition palm three-dimensional space data.Five bend curvature sensors, nine axis movement sensors, wireless signal sending module are all connected with On the controller, controller, that is, MCU according to progress data processing and controls wireless palm three-dimensional space data, digital flexion degree Signal transmitting module is transferred to virtual scene device.Wireless signal sending module as shown in Figure 1, bluetooth module can be used, Infrared Deng hardware configurations can also be used.Circuit as shown in Figure 3 can be used in curvature sensor circuit schematic diagram.The movement of nine axis passes Sensor can Wei Te intelligence W901, peripheral circuit and its conventional connection type can be used with the connection type of controller.
This programme, compared to existing machinery structure, can greatly reduce equipment volume and weight by the way of Electronic Design, Convenient for dressing for a long time.
Embodiment 2
Based on the above embodiment, the present embodiment carries out structure refinement to it, i.e. electrical stimulation device is arranged on wrist strap, is convenient for Wear the validity also improved to electro photoluminescence.In use, wrist strap preferably uses elastic cotton material, it is worn on wrist or arm Part.
Hand data acquisition device is arranged on gloves, also, it is preferred that elastic cotton material, improve wearing fastness and The reliability of data acquisition.
Elastic cotton wrist strap and gloves are respectively adopted in electrical stimulation device, hand data acquisition device fixed part, further keep away Exempt from the excessively bulky defect of equipment, weight is effectively reduced while realizing function, the comfort of wearing is improved.
Five bend curvature sensors are connect by multiplexing port with sensor.
Embodiment 3
Based on the above embodiment, the present embodiment carries out structure refinement to it, i.e., as shown in Fig. 2, further including power management mould Block, power management module include battery 111 and the first power supply 1131 He of branch for being both connected to 111 power output end of battery Second power supply branch 1132.First power supply branch is used to power to hand data acquisition device, and the second power supply branch is used for electricity Stimulating apparatus power supply.
Specifically, as shown in Fig. 2, the first power supply branch and the second power supply branch include linear voltage-stabilizing circuit.It is linear steady Volt circuit can be made of chip ADP1711 and its peripheral circuit.Lithium battery can be used in battery.
Embodiment 4
The present embodiment on the basis of the above embodiments refines electrical stimulation device, i.e., as Figure 1 and Figure 4, electricity Stimulating apparatus includes sequentially connected reception of wireless signals module, control module, stimulation circuit driving stage, H-type bridge, multiplexing Device.WIFI module can be used in reception of wireless signals module, and chip STM32F103 can be used in control module.Specifically, the present embodiment Electrical stimulation device hardware circuit use that application No. is 201520533557.1 based on complementary type current source and is time-multiplexed defeated Four-way functional electrical stimulation device out.Stimulation circuit driving stage includes voltage-controlled current source and complementary type current source, the complementation Type current source includes mirror current source and image current leakage, and the reference current end of mirror current source and the electric current of voltage-controlled current source are defeated Enter end connection, the reference current end of image current leakage and the current output terminal of voltage-controlled current source connect, and main control processor circuit produces Raw Src Chan stimulates small signal to be used for as the voltage input control signal of voltage-controlled current source by voltage-controlled current source generation Control mirror current source and image current leakage reference current, the mirror current source according to reference current generate ource electric current and in The output of ource electric current end, image current leakage generate sink current according to reference current and input in sink current end, the mirror current source Using collector-emitter pressure resistance range respectively with the transistor of image current leakage is the PNP type triode of positive and negative 350V 2N6520 and NPN type 2N6517, but not limited to this style number triode.One bridge arm midpoint of H-type bridge and the complementary type The ource electric current end of mirror current source connects in current source, in another bridge arm midpoint of H-type bridge and the complementary type current source The sink current end connection of image current leakage, one end of one end of H-type bridge bridge arm and each output channel in the multiplexer It is connected, the other end of H-type bridge bridge arm is connected with the other end of each output channel in the multiplexer, image current Source provides the ource electric current in complementary type electric current for H-type bridge, and image current leakage provides the sink current in complementary type electric current for H-type bridge, Main control processor circuit generates biphasic current pulse by the gating of two bridge arms switch of control H-type bridge, and H-type bridge passes through master control Processor circuit 1 controls multiplexer, completes the generation of functional electrical stimulation pulse in gating respective channel.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced It changes, improve, should be included within the scope of protection of this utility model.

Claims (6)

1. a kind of gesture interaction device based on virtual reality, which is characterized in that including for sending hand to virtual scene device The hand data acquisition device of portion's data and the functional electrostimulation that different intensity is generated according to the signal of virtual scene device The electrical stimulation device of pulse, the hand data acquisition device include:
For acquiring nine axis movement sensors of palm three-dimensional space data;
Five tunnels acquire the curvature sensor of digital flexion degree evidence respectively;
Wireless signal sending module;
To palm three-dimensional space data, digital flexion degree according to carrying out data processing and control wireless signal sending module and passed Give the controller of virtual scene device.
2. a kind of gesture interaction device based on virtual reality according to claim 1, which is characterized in that the electro photoluminescence Device is arranged on wrist strap.
3. a kind of gesture interaction device based on virtual reality according to claim 1, which is characterized in that 5 bend curvatures Sensor is connect by multiplexing port with sensor.
4. a kind of gesture interaction device based on virtual reality according to claim 1, which is characterized in that further include power supply Management module, the power management module include battery and be both connected to battery feed output end for hand data First power supply branch of acquisition device power supply and the second power supply branch powered to electrical stimulation device.
5. a kind of gesture interaction device based on virtual reality according to claim 4, which is characterized in that described first supplies Electric branch and the second power supply branch include linear voltage-stabilizing circuit.
6. a kind of gesture interaction device based on virtual reality according to claim 1, which is characterized in that the electro photoluminescence Device includes sequentially connected reception of wireless signals module, control module, stimulation circuit driving stage, H-type bridge, multiplexer.
CN201920416841.9U 2019-03-29 2019-03-29 A kind of gesture interaction device based on virtual reality Expired - Fee Related CN209373539U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920416841.9U CN209373539U (en) 2019-03-29 2019-03-29 A kind of gesture interaction device based on virtual reality

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Application Number Priority Date Filing Date Title
CN201920416841.9U CN209373539U (en) 2019-03-29 2019-03-29 A kind of gesture interaction device based on virtual reality

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111596704A (en) * 2020-05-25 2020-08-28 中船动力研究院有限公司 Temperature signal processing circuit and automatic controller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111596704A (en) * 2020-05-25 2020-08-28 中船动力研究院有限公司 Temperature signal processing circuit and automatic controller

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190910

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