CN113507288B - Digital-to-analog conversion coding device for communication transmission - Google Patents
Digital-to-analog conversion coding device for communication transmission Download PDFInfo
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- CN113507288B CN113507288B CN202111046702.XA CN202111046702A CN113507288B CN 113507288 B CN113507288 B CN 113507288B CN 202111046702 A CN202111046702 A CN 202111046702A CN 113507288 B CN113507288 B CN 113507288B
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- fixedly connected
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/48—Servo-type converters
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/124—Sampling or signal conditioning arrangements specially adapted for A/D converters
- H03M1/1245—Details of sampling arrangements or methods
Abstract
The invention relates to the technical field of communication transmission, and discloses a digital-to-analog conversion coding device for communication transmission, which comprises a base, wherein the upper end of the base is fixedly connected with a shell, the bottom wall of the base is fixedly connected with a double-shaft motor, the left end and the right end of the double-shaft motor are both fixedly connected with output shafts, the outer sides of the output shafts are sleeved with connecting arms, and the other ends of the connecting arms are fixedly connected to the inner wall of the shell. The invention drives the output shaft and the driving sleeve to synchronously rotate through the rotation of the double-shaft motor, further realizes that the spherical contact piece uniformly slides along the inside of the sliding chute to convert the power supply pulse signals into digital signals to realize coding, realizes the phase difference recording of 45 degrees for each group of pulse signals, realizes the accurate coding recording storage, and drives the electromagnet to be electrified to realize the periodic conversion of the pulse signals through the periodic contact of the spherical contact piece and the conductive contact piece in the sliding chute, thereby realizing the accurate recording of the angular displacement of the digital signals and obviously improving the coding accuracy.
Description
Technical Field
The invention relates to the technical field of communication transmission, in particular to a digital-to-analog conversion coding device for communication transmission.
Background
The encoder is a device which converts and encodes signals or data into signal forms capable of being communicated, transmitted and stored, can be divided into a photoelectric type, a magnetoelectric type and a contact brush type according to the working principle, converts pulse electric signals into corresponding digital signals, stores and records the corresponding digital signals so as to be convenient for stable signal transmission in the communication transmission process, and has wide application in the field of communication transmission.
The existing digital-to-analog conversion encoder has the following technical defects when in use: firstly, the encoder measures the contact of the angular displacement in the transmission contact process and contacts the friction for a long time, so that the connecting contact is easy to damage, the conditions of poor contact and open circuit often occur in use, and the cable and the contact need to be replaced in time, so that the service life of the encoder is limited; when the traditional photoelectric encoder is used, the phase difference of each receiving device is fixed, and only 90-degree phase difference can be formed in pulse signals of each group, so that the signal stability is poor, and accurate encoding and storage cannot be performed.
Disclosure of Invention
The invention provides a digital-to-analog conversion coding device for communication transmission, which has the advantages of no contact loss and accurate recording and solves the technical problems in the prior art.
The invention provides the following technical scheme: a digital-to-analog conversion coding device for communication transmission comprises a base, wherein the upper end of the base is fixedly connected with a shell, the bottom wall of the base is fixedly connected with a double-shaft motor, the left end and the right end of the double-shaft motor are fixedly connected with output shafts, the outer side of each output shaft is sleeved with a connecting arm, the other end of each connecting arm is fixedly connected with the inner wall of the shell, the other ends of the two output shafts are fixedly connected with two driving sleeves, the upper ends of the two driving sleeves are provided with receivers, the lower ends of the receivers are connected with sliding rods in a sliding manner, the tail ends of the sliding rods are fixedly connected with spherical contact pieces, a code disc is arranged inside each driving sleeve, an angular displacement recording mechanism is arranged inside each code disc and comprises a rotating column arranged on the inner wall of the code disc, the side wall of the rotating column is fixedly connected with a magnetic needle, the inner side wall of the coded disc is provided with electromagnets at equal intervals along the center of the rotating column, a driving mechanism is arranged inside the driving sleeve and comprises a sliding groove formed in the side wall of the driving sleeve, a limiting hole is formed inside the sliding groove, a limiting column is connected inside the limiting hole in a sliding mode, and a digital signal recording mechanism is arranged inside the receiver.
Preferably, the tail end of the piezoelectric block is fixedly connected with a pressure spring, the other end of the pressure spring is fixedly connected with a limiting disc, and the other end of the limiting disc is fixedly connected to the top wall of the sliding rod.
Preferably, the center of the limiting hole and the center of the spherical contact piece are on the same straight line.
Preferably, the other end of the limiting column is connected with a spring, the other end of the spring is fixedly connected with a conductive block, and the other end of the conductive block is fixedly connected to the coded disc.
Preferably, the tail end of the outer side of the limiting column is fixedly connected with two connecting columns, and a conductive contact piece is arranged between the two connecting columns.
Preferably, the number of the limiting holes is consistent with the number of the limiting columns and the number of the electromagnets, and the included angles of the adjacent intervals are 45 degrees.
Preferably, the conductive contact is made of an elastic conductive material, specifically, one of copper and nickel.
The invention has the following beneficial effects:
1. the invention drives the output shaft and the driving sleeve to synchronously rotate through the rotation of the double-shaft motor, further realizes that the spherical contact piece uniformly slides along the inside of the sliding chute to convert the power pulse signal into the digital signal to realize coding, realizes the phase difference recording of 45 degrees for each group of pulse signals through the matching arrangement among the piezoelectric block, the pressure spring and the receiver, improves the stability of signal transmission and realizes the accurate coding recording storage.
2. The invention realizes the periodic conversion of pulse signals by driving the electromagnet to be electrified through the periodic contact of the spherical contact piece and the conductive contact piece in the chute, and realizes the accurate recording of the angular displacement of digital signals through the matching arrangement of the electromagnet, the conductive block, the rotating column and the magnetic needle, thereby obviously improving the coding accuracy.
3. The invention realizes the angular displacement recording of the encoder by the deflection of the magnetic adsorption magnetic needle of the electromagnet at the corresponding side along the rotating column, obviously reduces the friction of the contact head by a non-contact recording mode, and greatly prolongs the service life of the contact head.
4. The invention realizes the uniform decomposition of pulse signals and the digital coding recording of different pulse signals by arranging the plurality of limiting holes which are arranged along the side wall of the driving sleeve at equal intervals, achieves the effect of timely coding by the contact between the conductive contact piece and the spherical contact piece, and has the advantages of rapidness and high recording accuracy.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of a driving sleeve according to the present invention;
FIG. 3 is a schematic view of the internal structure of the driving sleeve of the present invention;
FIG. 4 is a schematic view of the internal structure of the calibration mechanism of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention;
FIG. 6 is a schematic view of an angular displacement recording mechanism according to the present invention;
FIG. 7 is a schematic diagram of the internal structure of the digital signal recording mechanism according to the present invention.
In the figure: 1. a base; 2. a housing; 3. a double-shaft motor; 4. an output shaft; 5. a connecting arm; 6. a drive sleeve; 61. a limiting hole; 62. a chute; 63. a limiting column; 64. a spring; 65. a conductive block; 66. connecting columns; 67. a conductive contact; 7. a receiver; 71. a piezoelectric block; 72. a pressure spring; 8. a slide bar; 81. a limiting disc; 9. a spherical contact piece; 10. code disc; 101. an electromagnet; 102. rotating the column; 103. and a magnetic needle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, a digital-to-analog conversion coding device for communication transmission includes a base 1, a casing 2 is fixedly connected to the upper end of the base 1, a double-shaft motor 3 is fixedly connected to the bottom wall of the base 1, two output shafts 4 are fixedly connected to both the left and right ends of the double-shaft motor 3, a connecting arm 5 is sleeved on the outer side of the two output shafts 4, the other end of the connecting arm 5 is fixedly connected to the inner wall of the casing 2, two driving sleeves 6 are fixedly connected to the other ends of the two output shafts 4, a receiver 7 is arranged at the upper ends of the two driving sleeves 6, a sliding rod 8 is slidably connected to the lower end of the receiver 7, a spherical contact plate 9 is fixedly connected to the tail end of the sliding rod 8, a code disc 10 is arranged inside the driving sleeve 6, an angular displacement recording mechanism is arranged inside the code disc 10, a driving mechanism is arranged inside the driving sleeve 6, and a digital signal recording mechanism is arranged inside the receiver 7. The angular displacement recording mechanism comprises a rotating column 102 arranged on the inner wall of the coded disc 10, a magnetic needle 103 is fixedly connected to the side wall of the rotating column 102, and electromagnets 101 are arranged on the inner side wall of the coded disc 10 at equal intervals along the center of the rotating column 102. The driving mechanism comprises a sliding groove 62 formed in the side wall of the driving sleeve 6, a limiting hole 61 is formed in the sliding groove 62, the center of the limiting hole 61 and the center of the spherical contact piece 9 are located on the same straight line, a limiting column 63 is connected to the inside of the limiting hole 61 in a sliding mode, a spring 64 is connected to the other end of the limiting column 63, a conductive block 65 is fixedly connected to the other end of the spring 64, and the other end of the conductive block 65 is fixedly connected to the coded disc 10. Two connecting posts 66 are fixedly connected to the outer ends of the limiting posts 63, and a conductive contact 67 is arranged between the two connecting posts 66. The digital signal recording mechanism comprises a piezoelectric block 71 arranged at the inner top of the receiver 7, a pressure spring 72 is fixedly connected to the tail end of the piezoelectric block 71, a limiting disc 81 is fixedly connected to the other end of the pressure spring 72, and the other end of the limiting disc 81 is fixedly connected to the top wall of the sliding rod 8. The number of the limiting holes 61 is consistent with the number of the limiting columns 63 and the number of the electromagnets 101, and the included angles of the adjacent intervals are 45 degrees. Firstly, the double-shaft motor 3 is started, the rotation of the double-shaft motor 3 drives the output shafts 4 at the left side and the right side to synchronously rotate with the driving sleeve 6, in the rotation process, the spherical contact piece 9 is always clamped in the sliding groove 62 of the driving sleeve 6, when the spherical contact piece slides to the inside of the limiting hole 61 each time, the pressure spring 72 stretches, the pressure of the piezoelectric block 71, which is applied by the pressure spring 72, is reduced to be a digital signal 1, when the spherical contact piece slides to the side wall of the sliding groove 62 again, the digital signal is a digital signal 0, the digital coding of the pulse signal is realized in such a reciprocating way, when the spherical contact piece 9 slides to the inside of the limiting hole 61, the spherical contact piece 9 is contacted with the conductive contact piece 67, the generated current is transmitted to the electromagnet 101 at the corresponding side in the coded disc 10 through the limiting column 63, the spring 64 and the conductive block 65, so that the electromagnet 101 is electrified, and in the rotation process of the coded disc 10, the magnetic needle 103 rotates along the rotating column 102, the electromagnet 101 is magnetically attracted to deflect in response to the energization side. The pulse signal at this moment is converted into a phase difference of 45, the angular displacement signal of the magnetic needle 103 can be accurately recorded, and compared with a transmission contact connection type code, the recording coding process has the advantages of no friction contact, rapidness and long service life. The conductive contact 67 is made of an elastic conductive material, specifically, one of copper and nickel.
The use method (working principle) of the invention is as follows:
firstly, the double-shaft motor 3 is started, the rotation of the double-shaft motor 3 drives the output shafts 4 at the left side and the right side to synchronously rotate with the driving sleeve 6, in the rotation process, the spherical contact piece 9 is always clamped in the sliding groove 62 of the driving sleeve 6, when the spherical contact piece slides to the inside of the limiting hole 61 each time, the pressure spring 72 stretches, the pressure of the piezoelectric block 71, which is applied by the pressure spring 72, is reduced to be a digital signal 1, when the spherical contact piece slides to the side wall of the sliding groove 62 again, the digital signal is a digital signal 0, the digital coding of the pulse signal is realized in such a reciprocating way, when the spherical contact piece 9 slides to the inside of the limiting hole 61, the spherical contact piece 9 is contacted with the conductive contact piece 67, the generated current is transmitted to the electromagnet 101 at the corresponding side in the coded disc 10 through the limiting column 63, the spring 64 and the conductive block 65, so that the electromagnet 101 is electrified, and in the rotation process of the coded disc 10, the magnetic needle 103 rotates along the rotating column 102, the electromagnet 101 is magnetically attracted to deflect in response to the energization side. The pulse signal at this moment is converted into a phase difference of 45, the angular displacement signal of the magnetic needle 103 can be accurately recorded, and compared with a transmission contact connection type code, the recording coding process has the advantages of no friction contact, rapidness and long service life.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A digital-to-analog conversion coding device for communication transmission comprises a base (1), and is characterized in that: the device is characterized in that a shell (2) is fixedly connected to the upper end of a base (1), a double-shaft motor (3) is fixedly connected to the bottom wall of the base (1), output shafts (4) are fixedly connected to the left end and the right end of the double-shaft motor (3), a connecting arm (5) is sleeved on the outer side of each output shaft (4), the other end of each connecting arm (5) is fixedly connected to the inner wall of the shell (2), two driving sleeves (6) are fixedly connected to the other ends of the two output shafts (4), receivers (7) are arranged at the upper ends of the two driving sleeves (6), a sliding rod (8) is slidably connected to the lower end of each receiver (7), a spherical contact piece (9) is fixedly connected to the tail end of each sliding rod (8), a code disc (10) is arranged inside each driving sleeve (6), an angular displacement recording mechanism is arranged inside each code disc (10), and comprises a rotating column (102) arranged on the inner wall of each code disc (10), the side wall of the rotating column (102) is fixedly connected with a magnetic needle (103), the inner side wall of the coded disc (10) is provided with electromagnets (101) at equal intervals along the center of the rotating column (102), a driving mechanism is arranged inside the driving sleeve (6), the driving mechanism comprises a sliding groove (62) formed in the side wall of the driving sleeve (6), a limiting hole (61) is formed in the sliding groove (62), the limiting hole (61) is connected with a limiting column (63) in a sliding mode, and a digital signal recording mechanism is arranged inside the receiver (7).
2. The apparatus of claim 1, wherein the apparatus comprises: the digital signal recording mechanism comprises a piezoelectric block (71) arranged at the top in a receiver (7), a pressure spring (72) is fixedly connected to the tail end of the piezoelectric block (71), a limiting disc (81) is fixedly connected to the other end of the pressure spring (72), and the other end of the limiting disc (81) is fixedly connected to the top wall of a sliding rod (8).
3. The apparatus of claim 1, wherein the apparatus comprises: the center of the limiting hole (61) and the center of the spherical contact piece (9) are on the same straight line.
4. The apparatus of claim 1, wherein the apparatus comprises: the other end of the limiting column (63) is connected with a spring (64), the other end of the spring (64) is fixedly connected with a conductive block (65), and the other end of the conductive block (65) is fixedly connected to the coded disc (10).
5. The apparatus of claim 1, wherein the apparatus comprises: the outer end of the limiting column (63) is fixedly connected with two connecting columns (66), and a conductive contact piece (67) is arranged between the two connecting columns (66).
6. The apparatus of claim 1, wherein the apparatus comprises: the number of the limiting holes (61) is consistent with the number of the limiting columns (63) and the number of the electromagnets (101), and the included angles of the adjacent intervals are 45 degrees.
7. The apparatus of claim 5, wherein the apparatus comprises: the conductive contact piece (67) is made of elastic conductive material, specifically one of copper and nickel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111046702.XA CN113507288B (en) | 2021-09-08 | 2021-09-08 | Digital-to-analog conversion coding device for communication transmission |
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| CN202111046702.XA CN113507288B (en) | 2021-09-08 | 2021-09-08 | Digital-to-analog conversion coding device for communication transmission |
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| CN113507288A CN113507288A (en) | 2021-10-15 |
| CN113507288B true CN113507288B (en) | 2021-11-16 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0859220A2 (en) * | 1997-02-14 | 1998-08-19 | Alps Electric Co., Ltd. | Rotation detecting device of multi-rotation body |
| CN101846531A (en) * | 2010-05-28 | 2010-09-29 | 江苏斯沃特电气有限公司 | Multipole combined-type magnetic encoder |
| CN101929874A (en) * | 2010-04-05 | 2010-12-29 | 姚福来 | Rotary encoder with transmission shaft capable of axially sliding |
| CN102455190A (en) * | 2010-10-23 | 2012-05-16 | 深圳市鑫汇科电子有限公司 | Magnetic induction water-proof encoder |
| CN102601473A (en) * | 2012-01-13 | 2012-07-25 | 哈尔滨工业大学 | Spindle device for processing micro-hole electric spark based on magnetic levitation servo drive |
| CN104696499A (en) * | 2014-10-08 | 2015-06-10 | 成都安驭科技有限公司 | Gear control mechanism |
| CN206399361U (en) * | 2017-01-12 | 2017-08-11 | 广州汉川仪器仪表有限公司 | A kind of high-precision device for sensing linear displacement caused by magnetostriction |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8760153B2 (en) * | 2011-02-24 | 2014-06-24 | Dexter Magnetic Technologies, Inc. | High resolution absolute orientation rotary magnetic encoder |
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2021
- 2021-09-08 CN CN202111046702.XA patent/CN113507288B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0859220A2 (en) * | 1997-02-14 | 1998-08-19 | Alps Electric Co., Ltd. | Rotation detecting device of multi-rotation body |
| CN101929874A (en) * | 2010-04-05 | 2010-12-29 | 姚福来 | Rotary encoder with transmission shaft capable of axially sliding |
| CN101846531A (en) * | 2010-05-28 | 2010-09-29 | 江苏斯沃特电气有限公司 | Multipole combined-type magnetic encoder |
| CN102455190A (en) * | 2010-10-23 | 2012-05-16 | 深圳市鑫汇科电子有限公司 | Magnetic induction water-proof encoder |
| CN102601473A (en) * | 2012-01-13 | 2012-07-25 | 哈尔滨工业大学 | Spindle device for processing micro-hole electric spark based on magnetic levitation servo drive |
| CN104696499A (en) * | 2014-10-08 | 2015-06-10 | 成都安驭科技有限公司 | Gear control mechanism |
| CN206399361U (en) * | 2017-01-12 | 2017-08-11 | 广州汉川仪器仪表有限公司 | A kind of high-precision device for sensing linear displacement caused by magnetostriction |
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| CN113507288A (en) | 2021-10-15 |
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