CN103236366A - PCB (Printed Circuit Board) of digital coding switch and digital coding switch with PCB - Google Patents
PCB (Printed Circuit Board) of digital coding switch and digital coding switch with PCB Download PDFInfo
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- CN103236366A CN103236366A CN2013101646064A CN201310164606A CN103236366A CN 103236366 A CN103236366 A CN 103236366A CN 2013101646064 A CN2013101646064 A CN 2013101646064A CN 201310164606 A CN201310164606 A CN 201310164606A CN 103236366 A CN103236366 A CN 103236366A
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Abstract
The invention discloses a PCB (Printed Circuit Board) of a digital coding switch and the digital coding switch with the PCB. The digital coding switch with the PCB comprises a handle device, a rotating shaft, a rotating shaft angle positioning mechanism, a shell, the PCB and a turntable with contacts. Since the rotating shaft angle positioning mechanism with a gear ring wheel outside and balls inside is adopted, the PCB adopts a technological method of firstly etching a circuit and then plating gold, and a coding disc is designed according to the frequency and simplicity degree of the change of the same data location by adopting a principle that data bits which change the most frequently are designed on the outermost ring of the PCB and data bits which change simply are designed on the innermost ring of the PCB, the PCB of the digital coding switch and the digital coding switch with the PCB have the advantages that the operation comfort is improved, the rotating resistance is reduced, the product life is effectively prolonged, the coding accuracy is greatly improved and the like.
Description
Technical field
The present invention is applied to the digital coding switch on numerical control and the automation equipment man-machine interface; Relate in particular to the method output set of number signal that uses machinery and identify for computer, PLC, inside does not contain the digital encoding switch P CB plate of electronics unit's device (as: resistance, electric capacity, inductance and semiconductor element etc.) and contains its digital encoding switch.
Background technology
This series products on the existing market exists that operating experience is poor, the life-span is short, the more high defective of output encoder error rate.
Summary of the invention
The objective of the invention is in order to solve the above-mentioned shortcoming of prior art, mainly be improve operational comfort and reduce rotary resistance, effectively prolong life of product, improve these three aspects of coding accuracy rate greatly, realize purpose of the present invention by adopting structure and the manufacturing process more optimized.
Purpose of the present invention can reach by taking following technical scheme:
A kind of digital encoding switch P CB plate, the structure design principle of realizing encoding function on the described pcb board is the complicated and simple degree according to the variation of same Data Position, change data bit design the most frequently in the outmost turns of PCB, change simple data bit design at the inner ring of PCB; Described pcb board processing technology is to adopt first etched circuit, the processing technology that the back is gold-plated.
The digital encoding switch, comprise handle apparatus, rotating shaft, rotating shaft angle location mechanism, housing, pcb board and have the rotating disk of contact, driving rotating shaft by handle apparatus rotates, rotating shaft is rotated and is carried out angle location by rotating shaft angle location mechanism, and drive has the dial rotation of contact simultaneously, rotating disk with contact contacts with pcb board by the contact, and described rotating shaft angle location mechanism comprises gear ring wheel, ball, spring, support; The effect of gear ring wheel is the division that realizes the rotating shaft orientation angle; Support is assembling ball, spring, and connects the rotating shaft that needs angle location; Ball cooperates with the gear ring wheel under the elastic force effect of spring; Spring provides elastic force for cooperating of ball and gear ring wheel, and provides damping for the rotation of rotating shaft; The structure design principle of realizing the function of coding on the described pcb board is the complicated and simple degree according to the variation of same Data Position, changes data bit design the most frequently in the outmost turns of PCB, changes simple data bit design at the inner ring of PCB; Described pcb board processing technology is to adopt first etched circuit, the processing technology that the back is gold-plated.
Purpose of the present invention can also reach by the following technical programs:
One embodiment of this invention is: described pcb board is 15 degree binary codes, the 15 degree complements of one's, 30 degree binary codes, the 30 degree complements of one's, 15 degree Gray codes, 15 degree Gray radix-minus-one complements, 30 degree Gray codes and 30 degree Gray radix-minus-one complements.
A kind of embodiment of the present invention is: described handle apparatus has the metal insert that increases handle apparatus intensity.
The present invention has following outstanding beneficial effect:
The structure of the like product on 1, existing market is produced substantially all is that the gear ring wheel is interior, ball structure outside, compare with the present invention, adopt structure of the present invention, because the gear ring wheel becomes big in outer radius, the arc length of gear ring wheel in equal angular of the same number of teeth that makes is elongated, so just can obtain a bigger R, therefore during ball of the present invention rotated and claims, steel ball was more steady in the damping change that hoop is subjected to.Gear ring wheel construction in the like product, because the gear ring wheel diameter is less, R is also less than normal, so the damping that ball is subjected at hoop in rotation process has a sudden change.So structure of the present invention can obtain one better, allow a more comfortable operating experience of operator;
2, the present invention adopts first etched circuit, the method that the back is gold-plated, and back craft of gilding can effectively block the burr that etching produces, and makes the Copper Foil edge become mellow and full, substantially no longer has burr.This process can make the wear-resistant life-span of contact increase substantially, and under the situation of identical gold plating thickness, the life-span of contact improves more than 3 times;
3, the design of coding disk is according to the complicated and simple degree of the variation of same Data Position, changes data bit design the most frequently in the outmost turns of PCB, changes simple data bit design at the inner ring of PCB; The reason of doing like this is: for same angle X, orbit radius is more little, and the string in this angle is more short, considers part manufacturing and rigging error, and contact D exceeds may going just more big (exceed namely make output encoder mistake) of angle X at track A.Therefore the sign indicating number position of break-make number of times minimum is put into inner ring, helps to reduce the probability of contact mistake break-make.
Description of drawings
Fig. 1 is part exploded perspective view of the present invention;
Fig. 2 assembles cross-sectional schematic for the present invention;
Fig. 3 is rotating shaft angle location structural scheme of mechanism of the present invention;
Fig. 4 contacts partial schematic diagram for rotating shaft angle location of the present invention mechanism gear ring wheel with ball;
Fig. 5 is that prior art rotating shaft angle location mechanism gear ring wheel contacts partial schematic diagram with ball;
Fig. 6 realizes the structure design principle schematic diagram of the function of encoding for the present invention;
Fig. 7 is eight kinds of pcb board schematic diagrames of the present invention;
Embodiment
Specific embodiment 1:
Fig. 1-Fig. 7 has constituted specific embodiments of the invention:
See figures.1.and.2, the present invention includes handle apparatus 1, rotating shaft 2, rotating shaft angle location mechanism 3, housing 4, pcb board 5, rotating disk 6 with contact, nut 7, pad 8, O-ring seal 9, baffle ring 10, block 11, O-ring seal 12, hold-down screw 13,14 and O-ring seal 15, in order to increase the intensity of handle apparatus 1, embed a metal insert 1-1 in handle apparatus 1 and rotating shaft 2 suit places, screw 14 is used for handle apparatus 1 fixed rotating shaft 2 upper ends, nut 7, pad 8, O-ring seal 9 is used for whole digital encoding switch is fixed on control desk hermetically, the baffle ring 10 that is enclosed within the rotating shaft 2 and rotates with rotating shaft 2, limit rotating shaft 2 rotational angle range 11 common compositions with the block that is installed on the housing 4, housing 4 is made up of upper shell 4-1 and lower house 4-2, driving rotating shaft 2 by handle apparatus 1 and metal insert 1-1 thereof rotates, rotating shaft 2 is rotated and is carried out angle location by rotating shaft angle location mechanism 3, and it is moving to drive the rotating disk commentaries on classics 6 with contact 6-1 simultaneously, rotating disk 6 with contact 6-1 contacts with pcb board 5 by contact 6-1, pcb board 5 is fixed on by screw 13 in the lower recess of housing 4-1, O- ring seal 12,13 change 6 with rotating disk constitutes seal cavity in relative rotation with pcb board 5; Rotating shaft angle location mechanism 3 (as shown in Figure 3) comprises gear ring wheel 3-1, ball 3-2, spring 3-3, support 3-4; The effect of gear ring wheel 3-1 is the division that realizes rotating shaft 2 orientation angles; Support 3-4 is assembling ball 3-2 and spring 3-3, and connects the rotating shaft 2 that needs angle location; Ball 3-2 cooperates with gear ring wheel 3-1 under the elastic force effect of spring 3-3; Spring 3-3 provides elastic force for ball 3-2 with the gear ring wheel cooperating of 3-1, and provide damping for the rotation of rotating shaft 2, the structure of the like product on existing market is produced substantially all is that gear ring wheel 3-1 is interior, ball 3-2 structure outside, compare with the present invention, structure of the present invention (as Fig. 4), because gear ring wheel 3-1 becomes big in outer radius, the arc length of gear ring wheel 3-1 in equal angular of the same number of teeth that makes is elongated, so just can obtain a bigger R, therefore ball 3-2 of the present invention crosses the title from the rotation of A → B, and ball 3-2 is more steady in the damping change that hoop is subjected to.Gear ring wheel 3-1 structure (as Fig. 5) in the like product, because gear ring wheel 3-1 diameter is less, R is also less than normal, so the damping that ball 3-2 is subjected at hoop in rotation process has a sudden change.Therefore, structure of the present invention can obtain one better, allows a more comfortable operating experience of operator.
The structure design principle of realizing the function of coding on the pcb board 5 is the complicated and simple degree according to the variation of same Data Position, change data bit design the most frequently in the outmost turns of PCB, change the design of simple data bit at the inner ring of PCB, as shown in Figure 6, for same angle X, orbit radius is more little, and the string in this angle is more short, consider part manufacturing and rigging error, contact D exceeds may going just more big (exceed namely make output encoder mistake) of angle X at track A.Therefore the sign indicating number position of break-make number of times minimum is put into inner ring, helps to reduce the probability of contact mistake break-make.
Eight kinds of pcb boards according to above-mentioned design principle design are respectively: 15 degree binary codes, the 15 degree complements of one's, 30 degree binary codes, the 30 degree complements of one's, 15 degree Gray codes, 15 degree Gray radix-minus-one complements, 30 degree Gray codes and 30 degree Gray's radix-minus-one complements (as shown in Figure 7).
The present invention is the product that obtains the output of set of number coding with the method for machinery, and the structure that realizes coding is to be made up to realize by the break-make of pcb board 5 with contact 6-1.There is relative motion in pcb board 5 with contact 6-1.
Important parameters of this product: contact resistance, requirement≤100m Ω when the resistance change of contact resistance is big, can influence computer/PLC to the identification of coding, may cause identification error.Therefore pcb board 5 is done low-resistance with these two piece surfaces of contact 6-1 and is handled (as gold-plated).Find that by test the smooth degree of two part contact-making surfaces directly influences the wearing and tearing of Gold plated Layer.Wherein the surface smoothness of pcb board 5 is even more important, and it causes that mainly the position of wearing and tearing is the steps at Copper Foil edge.
To sum up, pcb board 5 processes that the present invention adopts can make the wear-resistant life-span of contact increase substantially, and under the situation of identical gold plating thickness, the life-span of contact improves more than 3 times.
Other comprise handle apparatus and rotating shaft fixing, housing 4 is all the same with prior art with the fixing and sealing of described parts, therefore, the present invention is not described in detail.
The above; only for the specific embodiment of the best of the present invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the disclosed scope of the present invention; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all belonged to protection scope of the present invention.
Claims (5)
1. digital encoding switch P CB plate, it is characterized in that: the structure design principle of realizing encoding function on the described pcb board is the complicated and simple degree according to the variation of same Data Position, change data bit design the most frequently in the outmost turns of PCB, change simple data bit design at the inner ring of PCB; Described pcb board processing technology is to adopt first etched circuit, the processing technology that the back is gold-plated.
2. one kind contains pcb board digital encoding switch according to claim 1, it is characterized in that: comprise handle apparatus, rotating shaft, rotating shaft angle location mechanism, housing, pcb board and have the rotating disk of contact, driving rotating shaft by handle apparatus rotates, rotating shaft is rotated and is carried out angle location by rotating shaft angle location mechanism, and drive has the dial rotation of contact simultaneously, rotating disk with contact contacts with pcb board by the contact, and described rotating shaft angle location mechanism comprises gear ring wheel, ball, spring, support; The effect of gear ring wheel is the division that realizes the rotating shaft orientation angle; Support is assembling ball, spring, and connects the rotating shaft that needs angle location; Ball cooperates with the gear ring wheel under the elastic force effect of spring; Spring provides elastic force for cooperating of ball and gear ring wheel, and provides damping for the rotation of rotating shaft.
3. a kind of digital encoding switch according to claim 2 is characterized in that: described pcb board is 15 degree binary codes, the 15 degree complements of one's, 30 degree binary codes, the 30 degree complements of one's, 15 degree Gray codes, 15 degree Gray radix-minus-one complements, 30 degree Gray codes and 30 degree Gray radix-minus-one complements.
4. a kind of digital encoding switch according to claim 2 is characterized in that: described handle apparatus has the metal insert that increases handle apparatus intensity.
5. a kind of digital encoding switch according to claim 2, it is characterized in that: described canning also has guide vane end stop, and described guide vane end stop can limit rotating shaft rotating range size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101646064A CN103236366A (en) | 2013-05-07 | 2013-05-07 | PCB (Printed Circuit Board) of digital coding switch and digital coding switch with PCB |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101646064A CN103236366A (en) | 2013-05-07 | 2013-05-07 | PCB (Printed Circuit Board) of digital coding switch and digital coding switch with PCB |
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| CN103236366A true CN103236366A (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013101646064A Pending CN103236366A (en) | 2013-05-07 | 2013-05-07 | PCB (Printed Circuit Board) of digital coding switch and digital coding switch with PCB |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319145A (en) * | 2014-09-17 | 2015-01-28 | 东莞市林积为实业投资有限公司 | Absolute-type logic encoder |
| CN107507726A (en) * | 2017-09-29 | 2017-12-22 | 温州爱妮智能科技有限公司 | A kind of electrodeless universal switch |
| CN109509672A (en) * | 2017-09-15 | 2019-03-22 | 德丰电创科技股份有限公司 | Transducer arrangement |
| CN112788876A (en) * | 2021-01-22 | 2021-05-11 | 维沃移动通信有限公司 | Electronic device |
| CN114483327A (en) * | 2020-10-23 | 2022-05-13 | 南京理学工程数据技术有限公司 | Voltage output type accelerator knob manufactured by adopting coding switch |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB845489A (en) * | 1957-09-16 | 1960-08-24 | Naimer H L | Stepping gear for cam-operated electrical switches |
| DE19617164A1 (en) * | 1996-04-29 | 1997-10-30 | Siemens Ag | Switches, especially rotary switches |
| CN2891247Y (en) * | 2005-12-30 | 2007-04-18 | 上海华明电力设备制造有限公司 | Signal panel of remote location signal transmitter for electric actuating mechanism of onload tapping switch |
| CN102334170A (en) * | 2010-02-03 | 2012-01-25 | 东京Cosmos电机株式会社 | Electric-part clicking mechanism |
| CN102821553A (en) * | 2012-08-06 | 2012-12-12 | 深圳崇达多层线路板有限公司 | Method for manufacturing key position partial electro-gold-plated PCB (printed circuit board) |
-
2013
- 2013-05-07 CN CN2013101646064A patent/CN103236366A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB845489A (en) * | 1957-09-16 | 1960-08-24 | Naimer H L | Stepping gear for cam-operated electrical switches |
| DE19617164A1 (en) * | 1996-04-29 | 1997-10-30 | Siemens Ag | Switches, especially rotary switches |
| CN2891247Y (en) * | 2005-12-30 | 2007-04-18 | 上海华明电力设备制造有限公司 | Signal panel of remote location signal transmitter for electric actuating mechanism of onload tapping switch |
| CN102334170A (en) * | 2010-02-03 | 2012-01-25 | 东京Cosmos电机株式会社 | Electric-part clicking mechanism |
| CN102821553A (en) * | 2012-08-06 | 2012-12-12 | 深圳崇达多层线路板有限公司 | Method for manufacturing key position partial electro-gold-plated PCB (printed circuit board) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319145A (en) * | 2014-09-17 | 2015-01-28 | 东莞市林积为实业投资有限公司 | Absolute-type logic encoder |
| CN109509672A (en) * | 2017-09-15 | 2019-03-22 | 德丰电创科技股份有限公司 | Transducer arrangement |
| CN109509672B (en) * | 2017-09-15 | 2020-07-03 | 德丰电创科技股份有限公司 | Transducer arrangement |
| CN107507726A (en) * | 2017-09-29 | 2017-12-22 | 温州爱妮智能科技有限公司 | A kind of electrodeless universal switch |
| CN114483327A (en) * | 2020-10-23 | 2022-05-13 | 南京理学工程数据技术有限公司 | Voltage output type accelerator knob manufactured by adopting coding switch |
| CN112788876A (en) * | 2021-01-22 | 2021-05-11 | 维沃移动通信有限公司 | Electronic device |
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Application publication date: 20130807 |