CN214670502U - Double-target three-dimensional ultrasonic positioning pen type man-machine interaction device - Google Patents
Double-target three-dimensional ultrasonic positioning pen type man-machine interaction device Download PDFInfo
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- CN214670502U CN214670502U CN202120201439.6U CN202120201439U CN214670502U CN 214670502 U CN214670502 U CN 214670502U CN 202120201439 U CN202120201439 U CN 202120201439U CN 214670502 U CN214670502 U CN 214670502U
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- 230000003993 interaction Effects 0.000 title claims abstract description 27
- 230000003139 buffering effect Effects 0.000 claims abstract description 27
- 239000000872 buffer Substances 0.000 claims abstract description 15
- 239000000428 dust Substances 0.000 claims description 12
- 230000002452 interceptive effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 7
- 238000001914 filtration Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to an interactive device field just discloses a two three-dimensional ultrasonic location pen type man-machine interaction devices of target, comprising a main body, main part rear side both ends are connected with the receiver, and main part internally mounted has digital filter, gyroscope and signal transmitter, both ends are equipped with two spread grooves respectively about the main part both sides, and spread groove internal connection has the connecting block, connecting block one side is connected with the buffering spring, and buffers spring one end and connect the buffer board, the main part rear end is equipped with a plurality of connectors, and is equipped with the axostylus axostyle on the connector, the shield is connected to the axostylus axostyle. According to the double-target three-dimensional ultrasonic positioning pen type man-machine interaction device, infrared pulse signals with different numbers and different frequencies are emitted, and frequency division multiplexing of infrared signals of 38kHz and 56kHz is achieved by matching with an infrared receiving sensor; and frequency division multiplexing of 25kHz and 40kHz ultrasonic signals is realized by using a digital filter.
Description
Technical Field
The utility model relates to an interaction device field specifically is a two three-dimensional supersound location pen type human-computer interaction devices of target.
Background
The human-computer interaction has excellent immersion and usability, is widely applied to the fields of education, military, medical treatment and the like, and is a hotspot of human-computer interaction research in recent years. The ultrasonic positioning technology is one of important means for realizing pen-type human-computer interaction, has the characteristics of high precision, low cost, simple structure and the like, and is a typical application of the interactive electronic whiteboard. However, the existing products are mainly based on a single-target two-dimensional parameter positioning technology, and with the continuous development of the digital multimedia technology, the demand for a multi-target three-dimensional parameter positioning pen type human-computer interaction product is a necessary trend. The research on the novel multi-target three-dimensional ultrasonic positioning key technology and the device thereof not only is the continuation and development of the existing ultrasonic positioning pen type human-computer interaction technology, but also has definite economic value. The method mainly analyzes the TOA and TDOA positioning method, deeply researches an ultrasonic signal time delay extraction method, a dual-target infrared signal and ultrasonic signal distinguishing method and an air mouse control method based on an accelerometer and a gyroscope, designs a general scheme of a dual-target three-dimensional ultrasonic positioning pen type man-machine interaction device, applies a three-dimensional ultrasonic positioning technology to pen type man-machine interaction, realizes dual-target ultrasonic positioning by using a frequency division multiplexing technology and a TOA positioning method, further expands a three-dimensional interaction range by combining an air mouse based on the combination of the accelerometer and the gyroscope, and completes the development, integration and test work of target pens, a receiving processing board and upper computer software in the device.
Therefore, a double-target three-dimensional ultrasonic positioning pen type human-computer interaction device is designed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a two three-dimensional supersound location pen type human-computer interaction devices of target has solved the problem.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a double-target three-dimensional ultrasonic positioning pen type man-machine interaction device comprises a main body, wherein two ends of the rear side of the main body are connected with receivers, and the main body is internally provided with a digital filter, a gyroscope and a signal emitter, the upper and lower ends of the two sides of the main body are respectively provided with two connecting grooves, and the connecting groove is internally connected with a connecting block, one side of the connecting block is connected with a buffer spring, one end of the buffer spring is connected with a buffer plate, the rear end of the main body is provided with a plurality of connecting ports, and the upper end of the connecting port is provided with a shaft lever which is connected with the dust cap, the middle of the bottom end of the dust cap is provided with a through groove, the two side walls of the through groove are provided with sliding grooves, the through groove is provided with a retractable plate, and the both sides of expansion plate are equipped with the draw-in groove, logical groove both sides bottom is connected with the spring post, and connects through the pull rod between the spring post, the pull rod both ends are connected with the connecting rod, and connecting rod one end connection fixture block.
Furthermore, both ends are connected with two connecting blocks through the buffering spring about buffer board one side, the spread groove both ends are equipped with the opening respectively and close mouthful, and the connecting block moves into in the spread groove from spread groove opening one end.
Furthermore, a plurality of buffering springs are connected to one side of the connecting block at equal intervals, and the buffering springs, the buffering plate and the connecting block form a buffering structure.
Furthermore, the both sides of expansion plate are equipped with the slider with spout accordant connection, and the expansion plate passes through the slider and removes in the spout.
Further, the expansion plate sets up inside the shield, and the expansion plate width is the same with leading to the groove width, when the expansion plate stretches out the shield completely inside, and the expansion plate will lead to the groove and shelter from.
Furthermore, when the expansion plate completely extends out of the dust cover, the clamping block is clamped and connected with the clamping groove.
Further, the connecting rod is arranged on the inner side of the spring column, and the length of the spring column in a natural state is the same as that of the connecting rod.
Furthermore, the receiver, the digital filter, the gyroscope and the signal transmitter are electrically connected.
The utility model has the advantages that:
1. the utility model discloses a, both ends are connected with two connecting blocks through the buffering spring about buffer board one side, and the spread groove both ends are equipped with the opening respectively and close, and in the connecting block followed spread groove opening one end immigration spread groove, connecting block one side equidistance is connected with a plurality of buffering springs, and buffering spring, buffer board and connecting block constitute buffer structure, can make mutual device have certain cushioning effect when colliding under the unexpected circumstances through this structure, have fine guard action to the main part.
2. The utility model discloses a, the expansion plate both sides are equipped with the slider with spout looks accordant connection, and the expansion plate passes through the slider and removes in the spout, the expansion plate sets up inside the shield, and the expansion plate width is the same with logical groove width, the expansion plate stretches out the shield completely when inside, and the expansion plate shelters from logical groove, when the expansion plate stretches out the shield completely, and the fixture block carries out the block with the draw-in groove and is connected, can carry out the dustproof effect with the connector through expansion plate and shield, can wear out the line from leading to the inslot when using, avoid the connector to get into the condition of dust.
3. The utility model realizes frequency division multiplexing of 38kHz and 56kHz infrared signals by transmitting infrared pulse signals with different numbers and different frequencies and matching with an infrared receiving sensor; the frequency division multiplexing of 25kHz and 40kHz ultrasonic signals is realized by using a digital filter, and the digital filtering time and errors are reduced by three steps of cascade connection of a second-order filter, simplification of a structure and reduction of a filtering interval; finally, the three-dimensional position of the target is calculated based on a TOA positioning method, the method has the advantages of small positioning error, high positioning speed and capability of realizing double-target positioning, the offset angle value is calculated by utilizing the gyroscope, the output reference value and the angle reference value of the gyroscope are dynamically updated in the using process, the using angle is expanded while the stability of the air mouse is improved, two target pens are respectively designed by taking PIC12F508 and STC89C52 as cores, and the functions of positioning signal transmission and the air mouse are realized, wherein the former circuit is simple, the volume is small, the integration is easy, and the latter function is rich and convenient to expand; designing a receiving and processing board with TMS320VC5502 as a core to realize the functions of 3-channel signal receiving, high-rate sampling, digital filtering, TOA position calculation and communication; and developing upper computer software based on C + + and OpenGL to realize the functions of dual-target motion track display and mouse control.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a part of the structure of the middle buffering assembly of the present invention;
FIG. 3 is a schematic view of the structure of the dustproof cover of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 1;
fig. 5 is an enlarged schematic view of B in fig. 3.
In the figure: 1. a main body; 2. a receiver; 3. connecting grooves; 4. connecting blocks; 5. a buffer spring; 6. a buffer plate; 7. a connecting port; 8. a dust cover; 9. a shaft lever; 10. a through groove; 11. a retractable plate; 12. a card slot; 13. a chute; 14. a spring post; 15. a pull rod; 16. a connecting rod; 17. a clamping block; 18. a digital filter; 19. a gyroscope; 20. a signal emitter.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are 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 efforts belong to the protection scope of the present invention.
Referring to FIGS. 1-5: a double-target three-dimensional ultrasonic positioning pen type man-machine interaction device comprises a main body 1, wherein receivers 2 are connected to two ends of the rear side of the main body 1, a digital filter 18, a gyroscope 19 and a signal transmitter 20 are installed inside the main body 1, two connecting grooves 3 are respectively arranged at the upper end and the lower end of two sides of the main body 1, connecting blocks 4 are connected inside the connecting grooves 3, one side of each connecting block 4 is connected with a buffering spring 5, one end of each buffering spring 5 is connected with a buffering plate 6, a plurality of connecting ports 7 are arranged at the rear end of the main body 1, a shaft rod 9 is arranged at the upper ends of the connecting ports 7, the shaft rod 9 is connected with a dust cover 8, a through groove 10 is arranged in the middle of the bottom end of the dust cover 8, sliding grooves 13 are arranged on two side walls of the through groove 10, telescopic plates 11 are arranged on the through grooves 10, clamping grooves 12 are arranged on two sides of the telescopic plates 11, spring columns 14 are connected to the bottom ends of two sides of the through grooves 10, and the spring columns 14 are connected through pull rods 15, two ends of the pull rod 15 are connected with connecting rods 16, and one end of each connecting rod 16 is connected with a clamping block 17.
Furthermore, both ends are connected with two connecting blocks 4 through buffering spring 5 about 6 one sides of buffer board, 3 both ends in spread groove are equipped with the opening respectively and close mouthful, and connecting block 4 moves into in the spread groove 3 from 3 open ends in spread groove.
Furthermore, a plurality of buffering springs 5 are connected to one side of the connecting block 4 at equal intervals, and the buffering springs 5, the buffering plate 6 and the connecting block 4 form a buffering structure.
Further, the both sides of expansion plate 11 are equipped with the slider with spout 13 accordant connection, and expansion plate 11 removes in spout 13 through the slider.
Further, the expansion plate 11 sets up inside the shield 8, and the expansion plate 11 width is the same with logical groove 10 width, when the expansion plate 11 stretches out the shield 8 inside completely, and the expansion plate 11 shelters from logical groove 10.
Further, when the expansion plate 11 completely extends out of the dust cover 8, the clamping block 17 is clamped and connected with the clamping groove 12.
Further, the connecting rod 16 is disposed inside the spring post 14, and the length of the spring post 14 in the natural state is the same as that of the connecting rod 16.
Further, the receiver 2, the digital filter 18, the gyroscope 19 and the signal transmitter 20 are electrically connected.
To sum up, the utility model discloses when using, utilize connecting block 4 to move into in the spread groove 3 from 3 opening one ends of spread groove, buffering spring 5, buffer board 6 and connecting block 4 constitute buffer structure, can make the interaction device have certain cushioning effect when colliding under the unexpected circumstances through this structure, expansion plate 11 moves in spout 13 through the slider, when expansion plate 11 stretches out shield 8 completely, and expansion plate 11 shelters from logical groove 10, pulling pull rod 15 makes spring post 14 tensile, make fixture block 17 move, when expansion plate 11 pulls out completely, under the spring action of spring post 14, fixture block 17 carries out the block with draw-in groove 12 and is connected, fix expansion plate 11, when connector 7 uses, wear out the line from logical groove 10, through launching different numbers, different frequency infrared pulse signal, cooperate infrared receiver 2 ware to realize 38kHz, Frequency division multiplexing 56kHz infrared signals; the frequency division multiplexing of 25kHz and 40kHz ultrasonic signals is realized by using a digital filter 18, and the digital filtering time and errors are reduced by three steps of cascade connection of a second-order filter, simplification of a structure and reduction of a filtering interval; finally, the target three-dimensional position is calculated based on the TOA positioning method, the method has the advantages of small positioning error, high positioning speed and capability of realizing double-target positioning, the offset angle value is calculated by utilizing the gyroscope 19, the output reference value and the angle reference value of the gyroscope 19 are dynamically updated in the using process, the using angle is expanded while the stability of the air mouse is improved, two target pens are respectively designed by taking the PIC12F508 and the STC89C52 as cores, and the functions of positioning signal transmission and the air mouse are realized, the circuit of the former is simple, the volume of the former is small, the integration is easy, the function of the latter is rich, and the expansion is convenient; designing a receiving and processing board with TMS320VC5502 as a core to realize the functions of 3-channel signal receiving, high-rate sampling, digital filtering, TOA position calculation and communication; and developing upper computer software based on C + + and OpenGL to realize the functions of dual-target motion track display and mouse control.
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 technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. The utility model provides a two target three-dimensional supersound location pen type man-machine interaction device, includes main part (1), its characterized in that: the novel multifunctional dust cover is characterized in that receivers (2) are connected to two ends of the rear side of the main body (1), a digital filter (18), a gyroscope (19) and a signal transmitter (20) are mounted inside the main body (1), two connecting grooves (3) are respectively arranged at the upper end and the lower end of each of the two sides of the main body (1), a connecting block (4) is connected inside each connecting groove (3), a buffering spring (5) is connected to one side of each connecting block (4), one end of each buffering spring (5) is connected with a buffering plate (6), a plurality of connecting ports (7) are arranged at the rear end of the main body (1), a shaft lever (9) is arranged at the upper end of each connecting port (7), the shaft lever (9) is connected with a dust cover (8), a through groove (10) is formed in the middle of the bottom end of each dust cover (8), sliding grooves (13) are formed in two side walls of each through groove (10), a telescopic plate (11) is arranged on each through groove (10), and clamping grooves (12) are formed in two sides of each telescopic plate (11), lead to groove (10) both sides bottom and be connected with spring post (14), and connect through pull rod (15) between spring post (14), pull rod (15) both ends are connected with connecting rod (16), and connecting rod (16) one end connection fixture block (17).
2. The dual-target three-dimensional ultrasonic positioning pen type human-computer interaction device according to claim 1, characterized in that: two ends are connected with two connecting blocks (4) through buffering spring (5) about buffer board (6) one side, spread groove (3) both ends are equipped with the opening respectively and close, and connecting block (4) move into in spread groove (3) from spread groove (3) opening one end.
3. The dual-target three-dimensional ultrasonic positioning pen type human-computer interaction device according to claim 1, characterized in that: a plurality of buffering springs (5) are connected to one side of the connecting block (4) at equal intervals, and the buffering springs (5), the buffering plate (6) and the connecting block (4) form a buffering structure.
4. The dual-target three-dimensional ultrasonic positioning pen type human-computer interaction device according to claim 1, characterized in that: the two sides of the telescopic plate (11) are provided with sliding blocks which are connected with the sliding grooves (13) in a matching mode, and the telescopic plate (11) moves in the sliding grooves (13) through the sliding blocks.
5. The dual-target three-dimensional ultrasonic positioning pen type human-computer interaction device according to claim 1, characterized in that: the retractable plate (11) is arranged inside the dustproof cover (8), the width of the retractable plate (11) is the same as that of the through groove (10), and when the retractable plate (11) completely extends out of the interior of the dustproof cover (8), the through groove (10) is shielded by the retractable plate (11).
6. The dual-target three-dimensional ultrasonic positioning pen type human-computer interaction device according to claim 1, characterized in that: when the expansion plate (11) completely extends out of the dust cover (8), the clamping block (17) is clamped and connected with the clamping groove (12).
7. The dual-target three-dimensional ultrasonic positioning pen type human-computer interaction device according to claim 1, characterized in that: the connecting rod (16) is arranged on the inner side of the spring column (14), and the length of the spring column (14) in a natural state is the same as that of the connecting rod (16).
8. The dual-target three-dimensional ultrasonic positioning pen type human-computer interaction device according to claim 1, characterized in that: the receiver (2), the digital filter (18), the gyroscope (19) and the signal transmitter (20) are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120201439.6U CN214670502U (en) | 2021-01-25 | 2021-01-25 | Double-target three-dimensional ultrasonic positioning pen type man-machine interaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120201439.6U CN214670502U (en) | 2021-01-25 | 2021-01-25 | Double-target three-dimensional ultrasonic positioning pen type man-machine interaction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214670502U true CN214670502U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120201439.6U Expired - Fee Related CN214670502U (en) | 2021-01-25 | 2021-01-25 | Double-target three-dimensional ultrasonic positioning pen type man-machine interaction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214670502U (en) |
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2021
- 2021-01-25 CN CN202120201439.6U patent/CN214670502U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |