CN111754741A - Linear multi-selection switch and intelligent note system comprising same - Google Patents
Linear multi-selection switch and intelligent note system comprising same Download PDFInfo
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- CN111754741A CN111754741A CN202010775887.7A CN202010775887A CN111754741A CN 111754741 A CN111754741 A CN 111754741A CN 202010775887 A CN202010775887 A CN 202010775887A CN 111754741 A CN111754741 A CN 111754741A
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- 239000002390 adhesive tape Substances 0.000 claims description 27
- 239000011324 bead Substances 0.000 claims description 20
- 239000006260 foam Substances 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 2
- 239000012780 transparent material Substances 0.000 claims description 2
- 229920000742 Cotton Polymers 0.000 claims 1
- 239000011295 pitch Substances 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000004891 communication Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000012937 correction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
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- 239000000463 material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D5/00—Sheets united without binding to form pads or blocks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0004—Personal or domestic articles
- F21V33/0048—Office articles, e.g. bookmarks, desk lamps with drawers, stands for books or music scores
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/20—Image enhancement or restoration using local operators
- G06T5/30—Erosion or dilatation, e.g. thinning
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/80—Geometric correction
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/25—Determination of region of interest [ROI] or a volume of interest [VOI]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/56—Extraction of image or video features relating to colour
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- General Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Telephone Set Structure (AREA)
- Push-Button Switches (AREA)
Abstract
The invention particularly relates to a linear multi-selection switch which comprises a switch base, a motor, a screw rod, a sliding block, a positive plate and a negative contact, wherein the motor is coaxially connected with the screw rod and is used for driving the screw rod to rotate; a positive plate is fixed on the sliding block and comprises a square body and a positive contact, a negative contact is arranged on the switch base, the number of the positive contact is consistent with that of the negative contact, and only one positive contact is communicated with the negative contact when the sliding block is driven by the motor to move at any position along the length direction of the screw rod; an intelligent note system comprising the switch is also disclosed. The switch can automatically and quickly realize gear shifting, quick abrasion of a single contact is avoided due to the arrangement of the positive and negative contacts, the service life is prolonged, meanwhile, the communication of the different positive and negative contacts can be realized in a smaller displacement range, and the response speed is high.
Description
The invention relates to a divisional application of an invention patent with the application date of 2020, 03 and 31, and the application number of 2020102460772, wherein the invention is named as an intelligent note control method based on image recognition.
Technical Field
The invention relates to the technical field of office supplies, in particular to a linear multi-selection switch and an intelligent note system comprising the same.
Background
The note is a small portable paper, one side of the note is sticky, most of the note is yellow, and other bright colors are also available to meet the preference of young people, so that some contents such as writing notes and telephone numbers can be written at any time. Generally used for office and telephone recording. When you forget to do something, you can write on the place where you can see, and can recall the thing. It can also be used to leave a message and inform others. The note board is a product specially used for sticking notes, is generally in a flat shape, is made of wood materials and is often provided with a frame. When the notepaper is used, the notepaper written by the user is fixed on the notepaper plate through the I-shaped nail. The note board is usually put in the office, or places desktop or subaerial through the support, or fixed mounting on the wall, and the note board on the market is mostly ordinary plate body at present, and the I-shaped nail also is ordinary nail, and the user often need initiatively go to look over the note that oneself remembered, like this when the user is busy, often can miss the affairs of record on the label, so urgently need a note system that can remind automatically. In the note system, the positions of the drawing pins need to be reliably acquired or the reminding time of each drawing pin needs to be set, the most common way is to set the drawing pins through keys and a display screen, but the setting mode is single, and the setting is not convenient enough.
Disclosure of Invention
The invention mainly aims to provide an intelligent note control method based on image recognition, which can quickly and conveniently acquire the position of a drawing pin and set the drawing pin reminding time.
In order to realize the purpose, the invention adopts the technical scheme that: an intelligent note control method based on image recognition comprises the following steps: A. the notepad is fixed on the plug board through the drawing pin, and the LED lamp beads in the drawing pin are connected with the positive electrode and the negative electrode of the power supply through criss-cross circuits arranged in the plug board and the multi-selection switch; B. the mobile terminal shoots an image of the front face of the plug board and processes the image to obtain the position information of the drawing pin; C. a user sets reminding time for each drawing pin on the mobile terminal, and the mobile terminal sends drawing pin position information to the control module when any drawing pin reaches the reminding time; D. the control module drives the multi-selection switch to act according to the position information of the drawing pin, so that the circuit at the position of the drawing pin is communicated with the positive electrode and the negative electrode of the power supply, and the LED lamp beads in the drawing pin are lightened.
Compared with the prior art, the invention has the following technical effects: the picture on the picture peg is shot through the mobile terminal, the picture is automatically identified to obtain the position information of the drawing pin, then the reminding time can be set for each drawing pin on the mobile terminal, the control module is signaled when the reminding time is up, the control module lights the LED lamp beads in the corresponding drawing pins, and the operation flow is very convenient to use and convenient to operate.
Drawings
FIG. 1 is a schematic diagram of an exploded structure of the first embodiment;
fig. 2 is a schematic perspective view of the first embodiment, in which the back plate is not shown;
FIG. 3 is a schematic diagram of an exploded structure of the second embodiment;
FIG. 4 is a schematic perspective view of the second embodiment, in which the back plate is not shown;
FIG. 5 is an exploded view of the board;
FIG. 6 is a schematic diagram of an exploded structure of a pushpin;
FIG. 7 is a cross-sectional view of the pushpin;
FIG. 8 is a schematic perspective view of a rotary multi-selection switch according to an embodiment;
FIG. 9 is a schematic diagram of an exploded view of a rotary multi-selection switch according to an embodiment;
FIG. 10 is a cross-sectional view of a rotary multi-selection switch according to an embodiment;
fig. 11 is a schematic perspective view of a linear multi-selection switch according to a second embodiment.
Detailed Description
The present invention will be described in further detail with reference to fig. 1 to 11.
Referring to fig. 1 to 4, an intelligent note control method based on image recognition includes the following steps: A. the notepad is fixed on the plug board 20 through the drawing pin 10, and the LED lamp beads 15 in the drawing pin 10 are connected with the positive electrode and the negative electrode of the power supply through criss-cross circuits arranged in the plug board 20 and the multi-selection switch 30; B. the mobile terminal shoots the front image of the plug board 20 and processes the image to obtain the position information of the drawing pin 10; C. a user sets reminding time for each drawing pin 10 on the mobile terminal, and the mobile terminal sends the position information of the drawing pin 10 to the control module 40 when any drawing pin 10 reaches the reminding time; D. the control module 40 drives the multi-selection switch 30 to act according to the position information of the drawing pin 10, so that the circuit at the position of the drawing pin 10 is communicated with the positive electrode and the negative electrode of the power supply, and the LED lamp beads 15 in the drawing pin 10 are lightened. The image on the plug board 20 is shot through the mobile terminal, the image is automatically identified to obtain the position information of the drawing pins 10, then the reminding time can be set for each drawing pin 10 on the mobile terminal, the control module 40 can be signaled by the mobile terminal when the reminding time is up, the control module 40 lights the LED lamp beads 15 in the corresponding drawing pins 10, and the operation flow is very convenient to use and operate.
Referring to fig. 5, the structure of the insert plate 20 is various, and in the present invention, preferably, the insert plate 20 includes a base 21, the base 21 is in a square box shape, the base 21 is sequentially provided with a transverse conductive adhesive tape 22, a longitudinal conductive adhesive tape 23, and a foam layer 24 from bottom to top, the foam layer 24 is generally made of a high-density sponge material, so as to facilitate the insertion of the drawing pin 10 and not leave a hole after the drawing pin 10 is pulled out. A plurality of horizontal conducting rubber strips 22 are adjacently arranged, a plurality of vertical conducting rubber strips 23 are adjacently arranged, the horizontal conducting rubber strips 22 and the vertical conducting rubber strips 23 are perpendicular to each other, thus the horizontal conducting rubber strips 22 and the vertical conducting rubber strips 23 form criss-cross circuits, each horizontal conducting rubber strip 22 and the vertical conducting rubber strips 23 are provided with an insulating outer layer 221, two adjacent conducting rubber strips are prevented from being conducted, the conducting nails 25 are arranged on the peripheral walls of two adjacent sides of the base 21, the conducting nails 25 are inserted into the side edges of the base 21 and are conducted with the horizontal conducting rubber strips 22 or the vertical conducting rubber strips 23. The conductive pins 25 are arranged to facilitate connection between the transverse conductive adhesive tape 22 and the longitudinal conductive adhesive tape 23 and other circuits, for example, in the present invention, when the conductive adhesive tape is connected to the multi-selection switch 30, only the conductive pins 25 and the multi-selection switch 30 need to be connected through wires, and the wires are not shown in fig. 2 and 4, because too many wires are present, the display of other components is affected. In the step a, the transverse conductive adhesive tape 22 and the longitudinal conductive adhesive tape 23 form a crisscross circuit, the positive electrode and the negative electrode of the power supply are respectively connected with the transverse conductive adhesive tape 22 and the longitudinal conductive adhesive tape 23 through the multi-selection switch 30, and the drawing pin 10 and the foam layer 24 are different in color, so that the drawing pin 10 in the image can be identified more conveniently.
Referring to fig. 6 and 7, the drawing pin 10 can be powered from the plug board 20 in various structures, so that the drawing pin 10 preferably comprises an inner core 11, an insulating core sleeve 12, an outer core 13, a drawing pin shell 14 and an LED lamp bead 15, wherein the inner core 11 and the outer core 13 are made of conductive materials; the inner core 11 comprises a first large-diameter section 111 and a first small-diameter section 112; the insulating core sleeve 12 is sleeved on the first small-diameter section 112 of the inner core 11, and the insulating core sleeve 12 comprises a second large-diameter section 121 and a second small-diameter section 122; the outer core 13 is sleeved on the second small-diameter section 122, and the outer core 13 comprises a third large-diameter section 131 and a third small-diameter section 132; one pin of the LED lamp bead 15 is inserted into the second small-diameter section 122 of the insulating core sleeve 12 and connected to the first small-diameter section 112 of the inner core 11, and the other pin of the LED lamp bead 15 is connected to the third large-diameter section 131 of the outer core 13; the first large-diameter section 111, the second large-diameter section 121 and the third small-diameter section 132 have the same outer diameter and jointly form the head of the drawing pin 10; the drawing pin shell 14 is sleeved on the outer sides of the third large-diameter section 131 and the LED lamp beads 15; the foam layer 24 is white, the bottom of the drawing pin shell 14 is black, so that the drawing pin 10 in an image can be identified conveniently, the top of the drawing pin shell 14 is made of transparent materials or is provided with micropores for light rays of the LED lamp beads 15 to emit, the length of the third small-diameter section 132 of the outer core 13 is larger than the thickness of the foam layer 24, and the insulating core sleeve 12 is located between the transverse conductive adhesive tape 22 and the longitudinal conductive adhesive tape 23 when the drawing pin 10 is inserted into the plug board 20. Through the structure, the drawing pin 10 is more compact, during assembly, the outer core 13 is taken out firstly, the insulating core sleeve 12 is inserted into the outer core 13, the inner core 11 is inserted into the insulating core sleeve 12, and finally two pins of the LED lamp bead 15 are respectively and point-soldered and connected with the outer core 13 and the inner core 11 respectively.
There are many image recognition algorithms, it is relatively easy to recognize a black pushpin from the white foam layer 24 in the present invention, and specifically, in the step B, the position information of the pushpin 10 is obtained according to the following steps: b1, shooting the front image of the plugboard 20 by the mobile terminal to obtain an original RGB image, and shooting the front image as much as possible, so that the identification of the drawing pin 10 is facilitated; b2, performing trapezoidal correction on the RGB image, wherein the outline of the periphery of the plug board 20 is definitely distorted and is not rectangular due to the angle problem during shooting, so that trapezoidal correction is performed through an algorithm, and the outline of the plug board 20 in the corrected image is square, so that the next processing is facilitated; b3, performing binarization processing on the corrected RGB image according to a set threshold value to obtain a black-and-white image, wherein a black area in the black-and-white image is the pushpin 10, and a white area in the black-and-white image is a background, and because the colors of the foam layer 24 and the pushpin 10 are significantly different, the area of the pushpin 10 in the image is identified, and the identification can be realized only by threshold value judgment; b4, screening out a real pushpin area according to the area size of a black area in a black-and-white image, wherein the step is mainly used for removing noise points, and the area with a smaller area is removed after expansion and corrosion treatment generally; b5, solving the minimum circumscribed rectangle of each real drawing pin area and obtaining the central position of the minimum circumscribed rectangle; and B6, dividing the plugboard 20 into square grids according to the number of the transverse conductive adhesive tapes 22 and the longitudinal conductive adhesive tapes 23, and acquiring the grid number of the central position of each real drawing pin area. The transverse conductive adhesive strips 22 can be numbered from top to bottom according to numbers, the longitudinal conductive adhesive strips 23 can be numbered from left to right according to numbers, so that the position information of the drawing pin 10 can be represented by two numbers, for example { 5, 3 } represents that the drawing pin 10 is inserted in the intersecting area of the 5 th transverse conductive adhesive strip 22 and the 3 rd longitudinal conductive adhesive strip 23, and when the drawing pin 10 needs to be reminded, only the two conductive adhesive strips need to be conducted to form a loop.
The threshold values mentioned above may be set according to empirical values, but when there is a difference in the ambient light of the board 20 or there is a difference in the colors of the pins 10 and the board 20, the previously set threshold values are not necessarily accurate, which affects the recognition effect. In the present invention, preferably, in B3, the threshold range may be set according to the following steps: b31, inserting a plurality of drawing pins 10 at any position on the inserting plate 20; b32, shooting a front image of the plug board 20 and performing trapezoidal correction, wherein the image can shoot a plurality of pins 10, and each image comprises a plurality of pins; b33, manually marking a pin area in the RGB after the trapezoidal correction; b34, calculating a threshold value range according to the R, G, B value of each pixel of the marked pushpin area { [ R ]MIN,RMAX],[GMIN,GMAX],[BMIN,BMAX]The calculation methods are many, and the threshold range can be calculated according to the maximum value, the minimum value, the average value or a random range, as long as R, G, B values of 80% -95% of pixels are within the threshold range; in B3, the pixel point of R, G, B value in the corrected RGB image within the threshold range is marked as 1, and the pixel point outside the threshold range is marked as 0. The steps B31-B34 are equivalent to correction, and do not need to be solved frequently, and only need to be executed when the environmental change is large or the recognition rate is low.
The positive pole and the negative pole of the power supply are connected with the transverse conductive adhesive tape 22 and the longitudinal conductive adhesive tape 23 through the multi-selection switch 30, and the fact that only one transverse conductive adhesive tape 22 and one longitudinal conductive adhesive tape 23 are conducted through the LED lamp beads at a time is guaranteed by adjusting gears of the multi-selection switch. Two preferred configurations of the multiple selection switch 30 are provided herein for reference.
Referring to fig. 8 to 10, in the first embodiment, the multiple-choice switch 30 is a rotary multiple-choice switch, the multiple-choice switch 30 includes a switch base 31, a motor 32, a shift lever 33, a positive plate 34 and a negative contact 35, the switch base 31 is cylindrical, a through hole 311 is formed in the center of the switch base 31 for accommodating the motor 32, the motor 32 and the switch base 31 are arranged in the same core, the shift lever 33 is installed on a shaft of the motor 32, an annular groove 312 is formed in an end surface of the switch base 31 at one end of the shift lever 33, the positive plate 34 is accommodated in the annular groove 312, k negative contacts 35 are circumferentially arranged on an edge of one end of the switch base 31 at the shift lever 33, and the positive plate 34 is respectively communicated with different negative contacts 35 when the motor 32 drives the shift lever 33 to. The gear number of the multi-selection switch 30, namely the number of the negative contacts 35, is increased greatly by arranging the negative contacts 35 on the peripheral edge of the switch base 31, so that the number of the gears is reduced, the number of the multi-selection switches 30 is reduced as a whole, and the cost is reduced. When the motor 32 drives the shift lever 33 to rotate to different angles, the positive pole pieces 34 are respectively communicated with different negative pole contacts 35, and the state that the positive pole pieces 34 are not communicated with all the negative pole contacts 35 can also be kept. The multi-selection switch 30 with the structure is small and compact in structure, multiple in gears, capable of directly controlling gear positions and very practical. The switch base 31 is provided with grooves on both side end faces, the positive plate 34 is integrally annular, and a connector lug is arranged on the outer peripheral wall of the positive plate, the connector lug is positioned in the groove on the end face of one side of the switch base 31 facing the shift lever 33, and the connector lug of the motor 32 is positioned in the groove on the end face of the other side of the switch base 31. The two grooves are convenient to be connected with other circuits through wires. And mounting holes are formed around the switch base 31, so that the switch base is convenient to fix and mount.
Referring to fig. 11, in the second embodiment, the multiple-choice switch 30 is a linear multiple-choice switch, the multiple-choice switch 30 includes a switch base 31, a motor 32, a lead screw 36, a slider 37, a positive plate 34 and a negative contact 35, the motor 32 and the lead screw 36 are coaxially connected, the motor 32 is used for driving the lead screw 36 to rotate, the motor 32 and the lead screw 36 are fixedly installed on the switch base 31, the shaft of the lead screw 36 is parallel to the plate surface of the switch base 31, and the lead screw 36 and the slider 37 form a lead screw nut fit; the slide block 37 is fixed with a positive plate 34, the positive plate 34 comprises a square body 341 and a positive contact 342, the switch base 31 is provided with a negative contact 35, the number of the positive contacts 342 is consistent with that of the negative contacts 35, and only one positive contact 342 is communicated with the negative contact 35 when the motor 32 drives the slide block 37 to move along the length direction of the screw rod 36 at any position. Through setting up the positive contact 342 and the negative contact 35 that stagger, can guarantee that slider 37 lets different positive and negative contacts switch on when driving positive plate 34 action, just so can be convenient the change of realization gear to here is through the cooperation of nut lead screw drive positive plate 34 action, need not manual operation. Meanwhile, due to the arrangement of the plurality of positive and negative electrode contacts, the rapid abrasion of a single contact is avoided, the service life is prolonged, the communication of different positive and negative electrode contacts can be realized in a smaller displacement range, and the response speed is high.
Furthermore, in order to reduce the size of the whole linear multi-selection switch, the switch base 31 is square, the shaft of the screw rod 36 is parallel to the long sides of the switch base 31, fine grooves are uniformly arranged at the edge of one long side of the switch base 31 at intervals, conducting strips are inserted into the fine grooves to form the negative contact 35, and holes are formed in the parts of the conducting strips extending to the outer sides of the fine grooves so as to be convenient for connecting wires; the square body 341 of the positive plate 34 is perpendicular to the switch base 31 and parallel to the axis of the lead screw 36, the lower end edge of the square body 341 is evenly provided with the positive contacts 342 at intervals, the lower end surface of the positive contact 342 is abutted against the upper end surface of the negative contact 35, and the square body 341 is provided with a hole for connecting a lead; distance L between two adjacent negative contacts 352Is larger than the distance L between two adjacent positive contacts 3421And is
In the formula L3And k is the number of the widths of the positive and negative contacts respectively.
Distance L1Is the spacing, L, between the centerlines of two adjacent positive contacts 3422Likewise, the width L of the positive and negative contacts3I.e., the positive contact 342 and the negative contact 35 are of uniform width and are both L3. On the premise of satisfying the above formula, in fig. 11, when the first positive and negative contacts are in contact conduction, the first positive and negative contacts are in contact conduction
Therefore, the second, third and fourth … … positive contacts 342 are spaced from the corresponding negative contacts 35 more and do not conduct, and in order to avoid the tenth positive contact 342 from conducting too close to the ninth negative contact 35, the formula is used herein
The number k is limited. The structure is very simple and reliable, and the realization is very reliable. When the device is used, the holes formed in the public end connecting square body 351 and each negative electrode contact 36 are connected with other components as a gear, and when the gear is required to be shifted, the driving motor 32 is only required to rotate by a certain angle, so that the control is very convenient.
When the adhesive tapes and the inserting plates 20 with different sizes are selected, the number of the corresponding conductive adhesive tapes is different, and the number of the negative contacts 36 of the linear multi-selection switch 30 is also different, so that the specific design is carried out according to the following standard. Specifically, the number of the transverse conductive adhesive strips 22 is M, the number of the longitudinal conductive adhesive strips 23 is N, and the number X of the multiple-choice switches 30 satisfies the following formula:
(ii) a Wherein
Meaning that the rounding up operation on the number a is taken,
the negative contact 35 of the multiple-selection switch 30 is connected with the transverse conductive adhesive tape 22 through the conductive nail 25, the positive plate 34 is connected with the positive pole of the power supply,
the negative contact 35 of the multiple-selection switches 30 is connected with the longitudinal conductive adhesive tape 23 through the conductive nail 25, and the positive plate 34 is connected with the negative electrode of the power supply; the control module 40 controls the start and stop of the motors 32 of all the multi-selection switches 30. Suppose that there are 50 horizontal conducting rubber strips 22, each straight line multiple-choice switch 30 has 20 negative pole contacts 35, thus need three straight line multiple-choice switches 30, the positive plate 34 of these three straight line multiple-choice switches 30 all connects the power positive pole, the negative pole contact 35 of the first straight line multiple-choice switch 30 connects the 1 st, the 2 nd, …, the 20 th horizontal conducting rubber strip 22 respectively, the negative pole contact 35 of the second straight line multiple-choice switch 30 connects the 21 st, the 22 nd, …, the 40 th horizontal conducting rubber strip 22 respectively, the negative pole contact 35 of the third straight line multiple-choice switch 30 connects the 41 th, the 42 th, …, the 50 th horizontal conducting rubber strip 22 respectively, the connection of vertical conducting rubber strip 23 is carried out in the same way.
Further, the housing 50 includes a front housing 51 and a back housing 52, the front housing 51 defines a first notch 511, the inserting plate 20 is disposed at the first notch 511, and the foam layer 24 is exposed at the first notch 511, so that the whole device is more beautiful and easy to operate. The plug board 20, the multi-selection switch 30, the control module 40 and the power supply are all accommodated in a cavity enclosed by the front shell 51 and the back plate 52, so that the service life of the system is prolonged.
Claims (10)
1. A straight line multi-selection switch is characterized in that: the switch comprises a switch base (31), a motor (32), a screw rod (36), a sliding block (37), a positive plate (34) and a negative contact (35), wherein the motor (32) is coaxially connected with the screw rod (36), the motor (32) is used for driving the screw rod (36) to rotate, the motor (32) and the screw rod (36) are fixedly arranged on the switch base (31), the shaft of the screw rod (36) is parallel to the plate surface of the switch base (31), and the screw rod (36) and the sliding block (37) form screw rod nut matching; the positive plate (34) is fixed on the sliding block (37), the positive plate (34) comprises a square body (341) and a positive contact (342), a negative contact (35) is arranged on the switch base (31), the number of the positive contacts (342) is consistent with that of the negative contacts (35), and only one positive contact (342) is communicated with the negative contact (35) when the motor (32) drives the sliding block (37) to move along the length direction of the screw rod (36) at any position.
2. The linear multiple-selection switch of claim 1, wherein: distance L between two adjacent negative contacts 352Is larger than the distance L between two adjacent positive contacts 3421And is
In the formula L3And k is the number of the widths of the positive and negative contacts respectively.
3. The linear multiple-selection switch of claim 2, wherein: the switch base (31) is square, the shaft of the screw rod (36) is parallel to the long edges of the switch base (31), fine grooves are uniformly arranged at the edge of one long edge of the switch base (31) at intervals, conducting strips are interpolated in the fine grooves to form a negative electrode contact (35), and holes are formed in the parts of the conducting strips extending to the outer sides of the fine grooves to facilitate connection of wires; the square body (341) of the positive plate (34) is perpendicular to the switch base (31) and parallel to the shaft of the screw rod (36), the lower end edge of the square body (341) is evenly provided with positive contacts (342) at intervals, the lower end face of each positive contact (342) is abutted against the upper end face of the corresponding negative contact (35), and the square body (341) is provided with holes for connecting wires conveniently.
4. An intelligent note system comprising the linear multi-selection switch of claim 1, wherein: the drawing pin comprises a drawing pin (10), a plug board (20), a linear multi-selection switch (30) and a control module (40), wherein a note is inserted into the plug board (20) through the drawing pin (10), LED lamp beads (15) in the drawing pin (10) are connected with a positive electrode and a negative electrode of a power supply through criss-cross circuits arranged in the plug board (20) and the linear multi-selection switch (30), and the control module (40) drives the linear multi-selection switch (30) to act according to position information of the drawing pin (10) so that the circuits at the position of the drawing pin (10) are communicated with the positive electrode and the negative electrode of the power supply and the LED lamp beads (15) in the drawing pin (10) are lightened.
5. The intelligent note system of claim 4, wherein: picture peg (20) include base (21), base (21) are square box-like, horizontal conducting strip (22) have been arranged from bottom to top in proper order in base (21), vertical conducting strip (23) and bubble cotton layer (24), a plurality of horizontal conducting strip (22) adjacent arrangement, a plurality of vertical conducting strip (23) adjacent arrangement, perpendicular each other of horizontal conducting strip (22) and vertical conducting strip (23), every horizontal conducting strip (22) and vertical conducting strip (23) all are provided with insulating outer (221), be provided with on the adjacent both sides periphery wall of base (21) and lead electrically conductive nail (25), lead electrically conductive nail (25) insert in the side of base (21) and switch on with horizontal conducting strip (22) or vertical conducting strip (23).
6. The intelligent note system of claim 5, wherein: the drawing pin (10) comprises an inner core (11), an insulating core sleeve (12), an outer core (13), a drawing pin shell (14) and LED lamp beads (15), wherein the inner core (11) and the outer core (13) are made of conductive materials; the inner core (11) comprises a first large-diameter section (111) and a first small-diameter section (112); the insulating core sleeve (12) is sleeved on the first small-diameter section (112) of the inner core (11), and the insulating core sleeve (12) comprises a second large-diameter section (121) and a second small-diameter section (122); the outer core (13) is sleeved on the second small-diameter section (122), and the outer core (13) comprises a third large-diameter section (131) and a third small-diameter section (132); one pin of the LED lamp bead (15) is inserted into the second small-diameter section (122) of the insulating core sleeve (12) and connected with the first small-diameter section (112) of the inner core (11), and the other pin of the LED lamp bead (15) is connected with the third large-diameter section (131) of the outer core (13); the first large-diameter section (111), the second large-diameter section (121) and the third small-diameter section (132) have the same outer diameter and jointly form a pin head of the drawing pin (10); the drawing pin shell (14) is sleeved on the outer sides of the third large-diameter section (131) and the LED lamp beads (15); the top of the drawing pin shell (14) is made of transparent materials or is provided with micropores for light rays of the LED lamp beads (15) to emit, the length of the third small-diameter section (132) of the outer core (13) is larger than the thickness of the foam layer (24), and the insulating core sleeve (12) is positioned between the transverse conductive adhesive tape (22) and the longitudinal conductive adhesive tape (23) when the drawing pin (10) is inserted into the plug board (20).
7. The intelligent note system of claim 6, wherein: distance L between two adjacent negative contacts2Greater than two adjacent positive contact pitches L1And is
In the formula L3And k is the width and number of the positive and negative contacts, respectively.
8. The intelligent note system of claim 7, wherein: the switch base (31) is square, the shaft of the screw rod (36) is parallel to the long edges of the switch base (31), fine grooves are uniformly arranged at the edge of one long edge of the switch base (31) at intervals, conducting strips are interpolated in the fine grooves to form a negative electrode contact (35), and holes are formed in the parts of the conducting strips extending to the outer sides of the fine grooves to facilitate connection of wires; the square body (341) of the positive plate (34) is perpendicular to the switch base (31) and parallel to the shaft of the screw rod (36), the lower end edge of the square body (341) is evenly provided with positive contacts (342) at intervals, the lower end face of each positive contact (342) is abutted against the upper end face of the corresponding negative contact (35), and the square body (341) is provided with holes for connecting wires conveniently.
9. The intelligent note system of claim 8, wherein: the number of the transverse conductive adhesive tapes (22) is M, and the transverse conductive adhesive tapes are longitudinally conductiveThe number of the adhesive tapes (23) is N, and the number X of the linear multi-option switches (30) meets the following formula:
(ii) a Wherein
The negative electrode contacts (35) of the linear multi-selection switches (30) are connected with the transverse conductive adhesive tape (22) through the conductive nails (25), the positive electrode sheet (34) is connected with the positive electrode of the power supply,
the negative electrode contacts (35) of the linear multi-selection switches (30) are connected with the longitudinal conductive adhesive strips (23) through conductive nails (25), and the positive electrode plate (34) is connected with the negative electrode of the power supply; the control module (40) controls the start and stop of the motors (32) in all the linear multi-option switches (30).
10. The intelligent note system of claim 9, wherein: the shell (50) comprises a front shell (51) and a back plate (52), a first notch (511) is formed in the front shell (51), the inserting plate (20) is placed at the first notch (511), and the foam layer (24) is exposed out of the first notch (511); the plug board (20), the linear multi-option switch (30), the control module (40) and the power supply are all accommodated in a cavity formed by enclosing a front shell (51) and a back plate (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010775887.7A CN111754741A (en) | 2020-03-31 | 2020-03-31 | Linear multi-selection switch and intelligent note system comprising same |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010246077.2A CN111415496B (en) | 2020-03-31 | 2020-03-31 | Intelligent note control method based on image recognition |
| CN202010775887.7A CN111754741A (en) | 2020-03-31 | 2020-03-31 | Linear multi-selection switch and intelligent note system comprising same |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010246077.2A Division CN111415496B (en) | 2020-03-31 | 2020-03-31 | Intelligent note control method based on image recognition |
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| CN111754741A true CN111754741A (en) | 2020-10-09 |
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| CN202010775887.7A Withdrawn CN111754741A (en) | 2020-03-31 | 2020-03-31 | Linear multi-selection switch and intelligent note system comprising same |
| CN202010246077.2A Active CN111415496B (en) | 2020-03-31 | 2020-03-31 | Intelligent note control method based on image recognition |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010246077.2A Active CN111415496B (en) | 2020-03-31 | 2020-03-31 | Intelligent note control method based on image recognition |
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| CN112210657A (en) * | 2020-10-30 | 2021-01-12 | 安庆海威尔机械有限公司 | Bearing method for heat treatment of piston ring |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3276198A (en) * | 1964-08-26 | 1966-10-04 | Robert A Barbera | Automatic clock-calendar |
| IL74484A (en) * | 1985-03-03 | 1989-12-15 | Amihadar Arber | Calendar with indicating means |
| JP2005352087A (en) * | 2004-06-09 | 2005-12-22 | People Co Ltd | Toy for learning musical score |
| CN201307373Y (en) * | 2008-09-18 | 2009-09-09 | 浙江大学 | Timing scratchpad seat with alarm clock function |
| TWI382935B (en) * | 2010-03-09 | 2013-01-21 | Oriental Inst Technology | Puzzle piece structure |
| CN102059877A (en) * | 2010-10-27 | 2011-05-18 | 南通芯迎设计服务有限公司 | Pin inserting type LED notepad plate |
| US9311548B2 (en) * | 2012-08-17 | 2016-04-12 | Evernote Corporation | Recognizing and processing object and action tags from stickers |
| CN103209254B (en) * | 2013-02-26 | 2015-01-21 | 广东欧珀移动通信有限公司 | Method and device for managing mobile phone transaction by utilizing paper note |
| KR101650833B1 (en) * | 2013-04-02 | 2016-08-24 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | Systems and methods for note recognition |
| CN103802590A (en) * | 2014-02-14 | 2014-05-21 | 上海润辉实业有限公司 | Decorative plate and application thereof |
| CN105759660A (en) * | 2014-12-16 | 2016-07-13 | 西安九度网络科技有限公司 | Intelligent electronic note device |
| CN105374082B (en) * | 2015-11-20 | 2018-01-02 | 曾子维 | A kind of note magnet and based reminding method for task reminders |
| CN107757176A (en) * | 2016-08-22 | 2018-03-06 | 孙贵群 | A kind of environment-protecting intelligent note |
| CN206178359U (en) * | 2016-11-24 | 2017-05-17 | 姜和倩 | Memo system is reminded to memorandum time of primary and secondary separation |
| CN107622882B (en) * | 2017-09-12 | 2020-05-19 | 深圳市科华恒盛科技有限公司 | Multi-way controllable switch |
| CN108984242A (en) * | 2018-06-06 | 2018-12-11 | 珠海格力电器股份有限公司 | A kind of virtual note display methods, device, storage medium and mobile terminal |
| CN208889001U (en) * | 2018-11-14 | 2019-05-21 | 江南大学 | A kind of intelligent memorandum reminiscences based on multiple sensors |
-
2020
- 2020-03-31 CN CN202010775887.7A patent/CN111754741A/en not_active Withdrawn
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| CN111415496A (en) | 2020-07-14 |
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