CN209657257U - A kind of data glove and interactive system based on optical fibre bending sensor - Google Patents
A kind of data glove and interactive system based on optical fibre bending sensor Download PDFInfo
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- CN209657257U CN209657257U CN201920350552.3U CN201920350552U CN209657257U CN 209657257 U CN209657257 U CN 209657257U CN 201920350552 U CN201920350552 U CN 201920350552U CN 209657257 U CN209657257 U CN 209657257U
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Abstract
The utility model embodiment discloses a kind of data glove based on optical fibre bending sensor and the interactive system including the data glove, data glove includes glove bulk, optical fibre bending sensor, attitude transducer, control panel and power supply device, controller and wireless communication apparatus are provided on control panel, wireless communication apparatus, optical fibre bending sensor, attitude transducer and power supply device are connect with controller；Wherein, optical fibre bending sensor is set in glove bulk at position corresponding with finger-joint, and optical fibre bending sensor includes light emitting end, optical receiving end, the first multi-core optical fiber, single-core fiber and the second multi-core optical fiber.By the above-mentioned means, the data glove structure of the utility model embodiment is simple, cost is relatively low, and wearing comfort.
Description
Technical field
The utility model embodiment is related to interactive device technical field, is based on optical fibre bending sensor more particularly to one kind
Data glove and interactive system including the data glove.
Background technique
Data glove is a kind of equipment that people may be implemented and interact with machine, simulates the true of hand by data glove
Movement, then by these data feedbacks into corresponding control machine, so that it may realize the purpose of gesture Manipulation of the machine.
Data glove is widely used in virtual reality, the intelligence emerging fields such as wearable, at present more typical number on the market
It is outer frame ectoskeleton data glove in other words mostly according to gloves, i.e., by accurate mechanical parts and potentiometer in hand joint
Position is laid out the detection to realize hand joint movement.Structure is complicated for this data glove, higher cost, and due to gloves master
Mechanical parts needed for body cause gloves entity excessive more, it has not been convenient to wear off and safeguard, user is lower using comfort.
Utility model content
The utility model embodiment is mainly solving the technical problems that provide a kind of data based on optical fibre bending sensor
Gloves and interactive system including the data glove, structure is simple, and cost is relatively low, and wearing comfort.
To achieve the above object, the technical solution that the utility model uses is: providing a kind of based on fibre-optical bending biography
The data glove of sensor, including glove bulk, optical fibre bending sensor, attitude transducer, control panel and power supply device, the control
Controller and wireless communication apparatus, the wireless communication apparatus, the optical fibre bending sensor, the posture are provided in making sheet
Sensor and the power supply device are connect with the controller；
Wherein, optical fibre bending sensor is set in the glove bulk at position corresponding with finger-joint, the light
Fine bending sensor includes light emitting end, optical receiving end, the first multi-core optical fiber, single-core fiber and the second multi-core optical fiber, the light
Transmitting terminal is connect with one end of first multi-core optical fiber, after the bending of the other end of first multi-core optical fiber with the single light
Fine one end connection, the other end of the single-core fiber is connect by second multi-core optical fiber with the optical receiving end, described
First multi-core optical fiber and the U-shaped Structural assignments of the single-core fiber.
In one embodiment, the single-core fiber includes fibre core and covering, the part of clad quilt of the single-core fiber side
Removal or part of clad and segment core are removed.
In one embodiment, first multi-core optical fiber, the single-core fiber and second multi-core optical fiber are modeling
Expect optical fiber.
In one embodiment, first multi-core optical fiber is coaxially connected with the single-core fiber, the single-core fiber and institute
The second multi-core optical fiber is stated coaxially to be connected；
First multi-core optical fiber and second multi-core optical fiber are same with the light emitting end and the optical receiving end respectively
Axis is connected.
In one embodiment, the light emitting end includes light source, and the optical receiving end includes photodetector, the light source
Become one with the photodetector, and is connect respectively with the controller.
Optionally, the light source is LED.
In some embodiments, the attitude transducer uses nine axis attitude transducers.
In some embodiments, the glove bulk includes main body and multiple finger-stalls for being connected to the main body
Body, the position that finger-joint is corresponded in multiple finger-stall bodies are equipped with the optical fibre bending sensor.
Optionally, the main body includes metacarpus body and wrist body, and the power supply device is set to the wrist set
In body, the control panel and the attitude transducer are set in the metacarpus body.
The utility model embodiment also provides a kind of interactive system, including host computer or controlled plant, and as described above
Data glove, the data glove passes through the wireless communication apparatus and the host computer or the controlled plant communication link
It connects.
The beneficial effect of the utility model embodiment is: it is in contrast to the prior art, the utility model embodiment
Data glove, including glove bulk, optical fibre bending sensor, attitude transducer, control panel and power supply device are arranged on control panel
Have a controller and wireless communication apparatus, wireless communication apparatus, optical fibre bending sensor, attitude transducer and power supply device with control
Device connection processed, wherein optical fibre bending sensor is set in glove bulk at position corresponding with finger-joint, and fibre-optical bending passes
Sensor carries out guide-lighting transmission using multi-core optical fiber, carries out curved detection using single-core fiber, and the accuracy and sensitivity of detection is higher,
And demodulated signal is light intensity, demodulator circuit is simple；The bending degree of manipulator's finger is acquired by optical fibre bending sensor, with
And the attitudes vibration of manipulator's hand is acquired by attitude transducer, the data glove structure of the present embodiment is simple, and cost is relatively low,
And wearing comfort.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the data glove of the utility model embodiment；
Fig. 2 is the illustrative view of functional configuration of the data glove of the utility model embodiment；
Fig. 3 is the structural schematic diagram of the optical fibre bending sensor of the utility model embodiment；
Fig. 4 is the structural schematic diagram of single-core fiber in the prior art；
Fig. 5 is the structural schematic diagram of single-core fiber in the optical fibre bending sensor of the utility model embodiment；
Fig. 6 is another structural schematic diagram of single-core fiber in the optical fibre bending sensor of the utility model embodiment；
Fig. 7 is the output data figure of the optical fibre bending sensor of the utility model embodiment.
Specific embodiment
For the ease of understanding the utility model, in the following with reference to the drawings and specific embodiments, the utility model is carried out more detailed
Thin explanation.It should be noted that it can be directly in another element when element is expressed " being fixed on " another element
Upper or placed in the middle there may be one or more therebetween elements.When an element is expressed " connection " another element, it can
To be directly to another element or elements placed in the middle there may be one or more therebetween.This specification is used
Term "vertical", "horizontal", "left" and "right" and similar statement for illustrative purposes only.
Unless otherwise defined, technical and scientific term all used in this specification and the skill for belonging to the utility model
The normally understood meaning of the technical staff in art field is identical.Art used in the description of the utility model in this specification
Language, which is only for the purpose of describing specific embodiments, is not intended to limitation the utility model.Term used in this specification
"and/or" includes any and all combinations of one or more related listed items.
The utility model embodiment provides a kind of data glove based on optical fibre bending sensor, please refers to Fig. 1 and Fig. 2,
Data glove includes glove bulk 10, optical fibre bending sensor 20, attitude transducer 30, control panel 40 and power supply device 50, control
Controller 41 and wireless communication apparatus 42 are provided in making sheet 40, wireless communication apparatus 42, optical fibre bending sensor 20, posture pass
Sensor 30 and power supply device 50 are connect with controller 41.
Wherein, glove bulk 10 includes main body 11 and the finger body 12 being connected to main body 11, finger body 12
The position of interior corresponding finger-joint is equipped with optical fibre bending sensor 20, and main body 11 includes metacarpus body and wrist body, electricity
Source device 50 is set in wrist body, and control panel 40 and attitude transducer 30 are set in metacarpus body.In other embodiments
In, glove bulk 10 can also be not provided with wrist body, and/or, power supply device 50, control panel 40 and attitude transducer 30 is equal
It is set in metacarpus body.
Optical fibre bending sensor 20 is used to acquire the bending degree of manipulator's finger；Attitude transducer 30 is for acquiring behaviour
The attitudes vibration of control person's hand, such as pitching, rolling, the variation of translation three-dimensional space position of hand.In one embodiment,
Attitude transducer 30 is nine axis attitude transducers.
Controller 41 is for driving optical fibre bending sensor 20 and attitude transducer 30, and the number that the sensor is acquired
It is believed that breath is sent to controlled plant or host computer by wireless communication apparatus 42, the mesh interacted with controlled plant or host computer is realized
, alternatively, controller 41 can also be according to the data information of the sensor acquisition when data glove is connect with controlled plant
Manipulation instruction is generated, manipulation instruction is sent to by controlled plant by wireless communication apparatus 42.
In practical applications, controller 41 is the processor with certain logical operation capability, can be suitable type
Single-chip microcontroller (such as STM32F429, Arduino), microprocessor, wireless communication apparatus 42 may include bluetooth module, Zigbee
One of module or WIFI module are a variety of.
Power supply device 50 is used to power for each functional module in data glove, and in the present embodiment, power supply device 50 is wrapped
Rechargeable battery, charging module and voltage transformation module are included, when power supply device 50 is connect with external power supply, passes through the mould that charges
Block charges to rechargeable battery, and voltage transformation module is for providing voltage needed for modules work normally.
Preferably scheme, a finger body 12 of glove bulk more than 10 correspond to finger-joint in multiple finger bodies 12
Position be equipped with optical fibre bending sensor 20.For example, glove bulk 10 includes five finger bodies, can at wherein two or
The position setting optical fibre bending sensor 20 of finger-joint is corresponded in three finger-stall bodies, different optical fibre bending sensors 20 is right
Different interactive signal or manipulation instruction are answered, to enhance the practicality.
Conventional bending sensor detects bending degree by the variation of resistance value, compared with conventional bending sensor,
Optical fibre bending sensor has the advantages that diameter is thin, matter is soft, light-weight, and optical fibre bending sensor is used in data glove, so that
User's wearing comfort.
Optical fibre bending sensor is generally divided into two kinds in the prior art: one is spectrum frequency displacement is based on, another kind is to be based on
Light intensity variation.Optical fibre bending sensor based on spectrum frequency displacement is to detect bending degree by the movement of Detection wavelength, is had
High-precision detection may be implemented in higher accuracy and sensitivity, e.g., currently on the market using more based on optical fiber Bragg
Fibre optical sensor made of grating, but this sensor often requires to be demodulated using equipment such as spectrometers, structure is multiple
It is miscellaneous and involve great expense.It is then to detect bending by detecting the loss of luminous intensity based on the optical fibre bending sensor that light intensity changes
Degree, demodulated signal are light intensity, and demodulator circuit is simple and at low cost, but the optical fibre bending sensor based on light intensity variation
Accuracy and sensitivity is lower.
As shown in figure 3, optical fibre bending sensor 20 includes light emitting end 21, optical receiving end more than 22, first in the present embodiment
Core fibre 23, single-core fiber 24 and the second multi-core optical fiber 25, light emitting end 21 are connect with one end of the first multi-core optical fiber 23, and first
It is connect after the other end bending of multi-core optical fiber 23 with one end of single-core fiber 24, the other end of single-core fiber 24 passes through the second multicore
Optical fiber 25 is connect with optical receiving end 22, the first multi-core optical fiber 23 and the U-shaped Structural assignments of single-core fiber 24.
Light emitting end 21 is that can emit one end of light, and optical receiving end 22 is the one end that can receive light, light emitting
The light that end 21 issues, successively enters light-receiving after the first multi-core optical fiber 23, single-core fiber 24 and the second multi-core optical fiber 25
End 22.Due to the otherness on optical fiber structure, multi-core optical fiber is to bend-insensitive, and the light intensity lost after bending is smaller, and single
The light intensity that optical fiber 24 loses after being bent is larger, therefore, for the accuracy and sensitivity for enhancing optical fibre bending sensor 20, avoids simultaneously
It can't detect light intensity signal because light loss is excessive after the bending of single-core fiber 24, use 23 He of the first multi-core optical fiber in the present embodiment
Second multi-core optical fiber 25 carries out guide-lighting transmission, carries out curved detection using single-core fiber 24, not only facilitates optical fiber and light emitting end
21, optical receiving end 22 is attached, and also the first multi-core optical fiber 23 and single-core fiber 24 can be arranged to U-shaped structure, so that light is sent out
It penetrates end 21 and optical receiving end 22 is in the same end, it is more convenient to use.
In one embodiment, optical fibre bending sensor 20 further includes protective layer 26, the first multi-core optical fiber of part 23 and list
Core fibre 24 is encapsulated in protective layer 26.
- Fig. 6 referring to Figure 4 together, single-core fiber 24 include fibre core 242 and covering 241, the part of 24 side of single-core fiber
Covering 241 is removed or part of clad 241 and segment core 242 are removed, and is connected so that the side of single-core fiber 24 exists
Continuous gap (as shown in Figure 5) or discontinuous interstice (as shown in Figure 6), additionally it is possible to identify bending direction.
When optical fibre bending sensor 20 is in straightened condition, because the structure of 24 side of single-core fiber is imperfect, inside
Light transmission is lost into air, and the light intensity for entering optical receiving end 22 is caused to reduce；In optical fibre bending sensor to optical fiber
When the incomplete curving of structure (bending outer arc is the complete side of optical fiber structure), with the increase of bending angle,
Interior lights are transmitted to the reduction of the loss in air, and the light intensity for entering optical receiving end 22 is caused to increase；In optical fibre bending sensor
To structural integrity curving when (bending outer arc be the incomplete side of optical fiber structure), with the increase of bending angle,
Its interior lights is transmitted to the increase of the loss in air, and the light intensity for entering optical receiving end 22 is caused to further decrease.Therefore, pass through
The light intensity signal that optical receiving end 22 receives can realize the detection of bending degree and the identification of bending direction.
Assuming that the electric signal that optical receiving end 22 exports is unit 1 when optical fibre bending sensor 20 keeps straight state, at its end
End applies a disturbance when making sensor free vibration, and the output data figure of optical receiving end 22 is as shown in fig. 7, with to two lateral bends
The variation of degree, the change in electric that optical receiving end 22 exports is different, and when bending angle is bigger, light intensity increases or the width of loss
Degree is also bigger, and therefore, when optical fibre bending sensor 20 is set to position corresponding with finger metacarpophalangeal joints, controller 41 passes through
The data that optical fibre bending sensor 20 acquires, can not only determine the bending state of finger, additionally it is possible to determine the bending side of finger
To.
When it is implemented, the side of single-core fiber 24 can pass through grinding process, so that the part of clad 241 of polishing side
It is removed or part of clad 241 and segment core 242 is removed, simple process.The side of single-core fiber 24 can also pass through
Physics cutting, the mode of laser processing or chemical attack processing, are removed the part of clad 241 of one side, or part is wrapped
Layer 241 and segment core 242 are removed.
Preferably scheme, the first multi-core optical fiber 23, single-core fiber 24 and the second multi-core optical fiber 25 are plastic light
It is fine.Plastic optical fiber (POF) is by high transparency polymer such as polystyrene (PS), polymethyl methacrylate (PMMA), poly- carbonic acid
Ester (PC) is used as core material, and the type optical fiber as cortical material such as PMMA, fluoroplastics has easy compared with glass optical fiber
It processes, is flexible, the advantages that being not easily broken.
Preferably scheme, the second multi-core optical fiber 25 select optical fiber identical with the first multi-core optical fiber 23.
Please continue to refer to Fig. 3, optical fibre bending sensor 20 further includes change block 27, the bending part of the first multi-core optical fiber 23
It is fixed in change block 27 with one end of single-core fiber 24, change block 27 is for making the first multi-core optical fiber 23 and single-core fiber 24
It is coaxial to be connected, to reduce the junction loss between the first multi-core optical fiber 23 and single-core fiber 24.
Optical fibre bending sensor 20 further includes link block 28, one end of the second multi-core optical fiber 25 and single-core fiber 24 it is another
End is fixed in link block 28, and link block 28 is for making the second multi-core optical fiber 25 coaxially be connected with single-core fiber 24, to reduce the
Junction loss between two multi-core optical fibers 25 and single-core fiber 24.First multi-core optical fiber 23 can also be fixed in link block 28,
It is by link block 28 that single-core fiber 24, the second multi-core optical fiber 25 and the first multi-core optical fiber 23 is fixed.
Optical fibre bending sensor 20 further includes the second link block 29, and the second link block 29 is for making 23 He of the first multi-core optical fiber
Second multi-core optical fiber 25 respectively with light emitting end 21 and optical receiving end 22 is coaxial is connected.
Light emitting end 21 includes light source, and optical receiving end 22 includes photodetector, and light source and photodetector are integrated into one
Body, and connect respectively with controller 41.Light source can be LED, to further reduce the cost, photodetector can for it is any can
To convert optical signal into the photoelectric cell of electric signal.
The data glove of the present embodiment includes glove bulk 10, optical fibre bending sensor 20, attitude transducer 30, control panel
40 and power supply device 50, controller 41 and wireless communication apparatus 42 are provided on control panel 40, and wireless communication apparatus 42, optical fiber are curved
Bent sensor 20, attitude transducer 30 and power supply device 50 are connect with controller 41, wherein optical fibre bending sensor 20 is set
It is placed in glove bulk at position corresponding with finger-joint, optical fibre bending sensor 20 uses the first multi-core optical fiber 23 and second
Multi-core optical fiber 25 carries out guide-lighting transmission, carries out curved detection using single-core fiber 24, and the accuracy and sensitivity of detection is higher, and
Demodulated signal is light intensity, and demodulator circuit is simple；The bending degree of manipulator's finger is acquired by optical fibre bending sensor 20, and
The attitudes vibration of manipulator's hand is acquired by attitude transducer 30, the data glove structure of the present embodiment is simple, and cost is relatively low,
And wearing comfort.
The utility model embodiment also provides a kind of interactive system, including host computer or controlled plant, and as described above
Data glove, data glove passes through wireless communication apparatus 42 and host computer or controlled plant communication connection.
It should be noted that giving the preferable implementation of the utility model in the specification and its attached drawing of the utility model
Example, still, the utility model can be realized by many different forms, however it is not limited to which this specification is described to be implemented
Example, not as the additional limitation to the content of the present invention, purpose of providing these embodiments is makes to this reality these embodiments
Understanding with novel disclosure is more thorough and comprehensive.Also, above-mentioned each technical characteristic continues to be combined with each other, and is formed not upper
The various embodiments that face is enumerated are accordingly to be regarded as the range of the utility model specification record；Further, to ordinary skill
For personnel, it can be modified or changed according to the above description, and all to should belong to this practical new for all these modifications and variations
The protection scope of type appended claims.
Claims (10)
1. a kind of data glove based on optical fibre bending sensor, which is characterized in that including glove bulk, Fiber bending sensing
Device, attitude transducer, control panel and power supply device are provided with controller and wireless communication apparatus, the nothing on the control panel
Line communication device, the optical fibre bending sensor, the attitude transducer and the power supply device are connect with the controller；
Wherein, optical fibre bending sensor is set in the glove bulk at position corresponding with finger-joint, and the optical fiber is curved
Bent sensor includes light emitting end, optical receiving end, the first multi-core optical fiber, single-core fiber and the second multi-core optical fiber, the light emitting
End is connect with one end of first multi-core optical fiber, the other end of first multi-core optical fiber be bent after with the single-core fiber
The other end of one end connection, the single-core fiber is connect by second multi-core optical fiber with the optical receiving end, and described first
Multi-core optical fiber and the U-shaped Structural assignments of the single-core fiber.
2. data glove according to claim 1, which is characterized in that
The single-core fiber includes fibre core and covering, and the part of clad of the single-core fiber side is removed or part of clad
And segment core is removed.
3. data glove according to claim 1, which is characterized in that
First multi-core optical fiber, the single-core fiber and second multi-core optical fiber are plastic optical fiber.
4. data glove according to claim 1, which is characterized in that
First multi-core optical fiber is coaxially connected with the single-core fiber, and the single-core fiber and second multi-core optical fiber are coaxial
It is connected；
First multi-core optical fiber and second multi-core optical fiber respectively with the light emitting end and the coaxial phase of the optical receiving end
Even.
5. data glove according to claim 1, which is characterized in that
The light emitting end includes light source, and the optical receiving end includes photodetector, the light source and the photodetector
Become one, and is connect respectively with the controller.
6. data glove according to claim 5, which is characterized in that
The light source is LED.
7. data glove according to claim 1-6, which is characterized in that
The attitude transducer uses nine axis attitude transducers.
8. data glove according to claim 1-6, which is characterized in that
The glove bulk includes main body and multiple finger bodies for being connected to the main body, multiple finger bodies
The position of interior corresponding finger-joint is equipped with the optical fibre bending sensor.
9. data glove according to claim 8, which is characterized in that
The main body includes metacarpus body and wrist body, and the power supply device is set in the wrist body, the control
Making sheet and the attitude transducer are set in the metacarpus body.
10. a kind of interactive system, which is characterized in that including host computer or controlled plant, and such as any one of claim 1-9 institute
The data glove stated, the data glove pass through the wireless communication apparatus and the host computer or the controlled plant communication link
It connects.
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| CN201920350552.3U CN209657257U (en) | 2019-03-19 | 2019-03-19 | A kind of data glove and interactive system based on optical fibre bending sensor |
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| CN201920350552.3U CN209657257U (en) | 2019-03-19 | 2019-03-19 | A kind of data glove and interactive system based on optical fibre bending sensor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013881A (en) * | 2020-09-07 | 2020-12-01 | 宿州赛尔沃德物联网科技有限公司 | Method for collecting finger bending state data |
| CN112711333A (en) * | 2021-01-12 | 2021-04-27 | 北京航空航天大学 | Wearable glove based on sensitization plastic optical fiber |
| CN113805702A (en) * | 2021-09-22 | 2021-12-17 | 维沃移动通信有限公司 | Gesture recognition mechanism, glove and electronic recognition equipment |
| WO2021242125A3 (en) * | 2020-05-27 | 2022-03-31 | Almaini Ola Ali Ibrahim | A smart glove which kills viruses and germs |
-
2019
- 2019-03-19 CN CN201920350552.3U patent/CN209657257U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021242125A3 (en) * | 2020-05-27 | 2022-03-31 | Almaini Ola Ali Ibrahim | A smart glove which kills viruses and germs |
| CN112013881A (en) * | 2020-09-07 | 2020-12-01 | 宿州赛尔沃德物联网科技有限公司 | Method for collecting finger bending state data |
| CN112711333A (en) * | 2021-01-12 | 2021-04-27 | 北京航空航天大学 | Wearable glove based on sensitization plastic optical fiber |
| CN113805702A (en) * | 2021-09-22 | 2021-12-17 | 维沃移动通信有限公司 | Gesture recognition mechanism, glove and electronic recognition equipment |
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