CN101183579B - Discrete potentiometer - Google Patents
Discrete potentiometer Download PDFInfo
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- CN101183579B CN101183579B CN2007101238534A CN200710123853A CN101183579B CN 101183579 B CN101183579 B CN 101183579B CN 2007101238534 A CN2007101238534 A CN 2007101238534A CN 200710123853 A CN200710123853 A CN 200710123853A CN 101183579 B CN101183579 B CN 101183579B
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- cloth copper
- stepping
- potentiometer
- pcb board
- copper
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Abstract
The invention relates to a discretely stepping potentiometer, comprising two fixed ends, a regulating end, a PCB board, and a plurality of resistances arranged on the PCB board. Every two resistances are connected with each other and then the resistances are connected in series to form a resistance chain. Two ends of the resistance chain are respectively connected with two fixed ends. The connections among contiguous resistances form a plurality of stepping electric nodes. A plurality of node distributed coppers are one-to-one corresponding to and are connected with the stepping electric nodes. A fixedly distributed copper is connected with the regulating end. A plurality of sliding spring blades are connected elastically and movably with the node distributed coppers and the fixedly distributed copper. Because the discretely stepping potentiometer has no neutral position while rotating, the spring blades are either contacted with a Z-shaped distributed copper, or contacted with two Z-shaped distributed coppers, so that the output is continuous, but the output voltage value is discrete, thereby, the invention not only has the characteristic of discrete output of the stepping potentiometer, but also has the characteristic of uninterrupted contact of the contact of the potentiometer. The invention uses PCB as the frame, and has the advantages of low cost and easy process and operation.
Description
Technical field
The present invention relates to potentiometer, more particularly, relate to a kind of discrete potentiometer.
Background technology
Potentiometer is as electrical equipment original paper commonly used, and purposes is very extensive, and potentiometer is divided into Stepping potentiometer and continuous type potentiometer.All there is neutral in existing Stepping potentiometer, promptly exports discontinuous; Though the output of continuous type potentiometer is continuous, does not realize accurately dispersing output voltage values.General in addition potentiometer all has 10%～25% error, does not satisfy required precision.
Summary of the invention
The technical problem to be solved in the present invention is, at the above-mentioned defective of prior art, provides a kind of discreteness Stepping potentiometer.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of discreteness Stepping potentiometer, comprise two stiff ends and an adjustable side, comprise pcb board; Be installed in a plurality of resistance on the described pcb board, described a plurality of resistance link to each other in twos and are connected into resistance chain, and the two ends of described resistance chain link to each other with two stiff ends respectively, connect and compose the stepping electrical nodes between the adjacent resistor; Corresponding one by one with described stepping electrical nodes and link to each other a plurality of node cloth copper; The stationary cloth copper that links to each other with described adjustable side; The sliding spring plate that is movably connected with described node cloth copper, stationary cloth copper elasticity; Described stepping electrical nodes is positioned at the both sides of described pcb board with described node cloth copper and links to each other by the via hole that is positioned on the described pcb board.
In discreteness Stepping potentiometer of the present invention, the interlock of described a plurality of node cloth copper head and the tail is linked to be the unconnected each other node cloth copper ring of a circle, described stationary cloth copper is annular, described sliding spring plate rotatablely moves around described stationary cloth copper center, sliding spring plate described in the rotary course is connected all the time with described stationary cloth copper, links to each other with one or two described node cloth copper.
In discreteness Stepping potentiometer of the present invention, described stationary cloth copper and described node cloth copper ring are concentric circles.
In discreteness Stepping potentiometer of the present invention, described node cloth copper is Z-shaped.
In discreteness Stepping potentiometer of the present invention, described resistance is Chip-R, and described ohmmeter is attached on the described pcb board, and described stepping electrical nodes is the cabling on the described pcb board.
In discreteness Stepping potentiometer of the present invention, an end of described sliding spring plate and described node cloth copper Elastic Contact is a fork configuration.
In discreteness Stepping potentiometer of the present invention, an end of described sliding spring plate and described stationary cloth copper Elastic Contact is a fork configuration.
In discreteness Stepping potentiometer of the present invention, described discreteness Stepping potentiometer also comprises loam cake, and described sliding spring plate links to each other with described loam cake, and described loam cake rotates and drives described sliding spring plate rotation.
In discreteness Stepping potentiometer of the present invention, described pcb board is provided with installing hole, and described loam cake is installed in the described installing hole, is provided with sheath between described loam cake and the described installing hole.
Implement discreteness Stepping potentiometer of the present invention, has following beneficial effect: because discreteness Stepping potentiometer of the present invention does not have neutral in rotation process, shell fragment or contact with a Z-shaped cloth copper, or contact with two Z-shaped cloth copper, promptly output is continuous, but the magnitude of voltage of output disperses, and the discrete output characteristic of existing Stepping potentiometer has the continual characteristics of contact Continuous Contact of potentiometer again; Discreteness Stepping potentiometer of the present invention adopts PCB as framework, and it is low to have a cost, is easy to advantages such as process operation.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the cross-sectional view of discrete potentiometer of the present invention;
Fig. 2 is the Facad structure schematic diagram of discrete potentiometer of the present invention;
Fig. 3 is the structure schematic diagram of discrete potentiometer of the present invention;
Fig. 4 is the partial structurtes schematic diagram of the sliding spring plate of discrete potentiometer of the present invention when linking to each other with a resistance;
Fig. 5 is the partial structurtes schematic diagram of the sliding spring plate of discrete potentiometer of the present invention when linking to each other with two resistance;
Fig. 6 is the circuit diagram of the sliding spring plate of discrete potentiometer of the present invention when linking to each other with a resistance;
Fig. 7 is the circuit diagram of the sliding spring plate of discrete potentiometer of the present invention when linking to each other with two resistance.
Embodiment
The fixing resistance of output when potentiometer knob rotates to the fixed position, the required precision height is 1%, and general potentiometer can not satisfy this requirement owing to all have 10%～25% error, and therefore designing this discrete potentiometer (also claiming Stepping potentiometer) satisfies requirement of client.
Discreteness Stepping potentiometer of the present invention, comprise two stiff ends and adjustable side and pcb board 1, be installed in a plurality of resistance 5 on the described pcb board 1, a plurality of resistance 5 link to each other in twos and are connected into resistance chain, the two ends of resistance chain link to each other with two stiff ends respectively, connect and compose the stepping electrical nodes between the adjacent resistor; Corresponding one by one with described stepping electrical nodes and link to each other a plurality of node cloth copper 10; The stationary cloth copper 9 that links to each other with described adjustable side; The sliding spring plate 3 that is movably connected with described node cloth copper 10, stationary cloth copper 9 elasticity.
Wherein a kind of execution mode of node cloth copper 10 is, a plurality of node cloth copper 10 head and the tail interlocks are linked to be the unconnected each other node cloth copper ring of a circle, wherein stationary cloth copper 9 can be annular, sliding spring plate 3 rotatablely moves around stationary cloth copper 9 centers, sliding spring plate 3 is connected all the time with described stationary cloth copper 9 that (sliding spring plate 3 is set to fork configuration with the part that stationary cloth copper 9 is connected in the rotary course, make in rotation process, sliding spring plate 3 contacts with a stationary cloth copper 9 at least), link to each other with one or two described node cloth copper 10.Stationary cloth copper 9 and described node cloth copper ring are concentric circles.Node cloth copper 10 is Z-shaped.
The stepping electrical nodes is positioned at the both sides of described pcb board 1 with described node cloth copper 10 and links to each other by the via hole that is positioned on the described pcb board 1.Resistance 5 is Chip-R, and described resistance 5 Surface Mounts are on described pcb board 1, and described stepping electrical nodes is the cabling on the described pcb board 1.Sliding spring plate 3 is a fork configuration with an end of described node cloth copper 10 Elastic Contact.Sliding spring plate 3 is a fork configuration with an end of described stationary cloth copper 9 Elastic Contact.The discreteness Stepping potentiometer also comprises loam cake 2, and described sliding spring plate 3 links to each other with described loam cake 2, and described loam cake 2 rotates and drives described sliding spring plate 3 rotations.Pcb board 1 is provided with installing hole, and described loam cake 2 is installed in the described installing hole, is provided with sheath 4 between described loam cake 2 and the described installing hole.
As shown in Figure 2, wherein 16 node cloth copper 10 are corresponding to 1～16 stepping electrical nodes in the middle of going up among Fig. 6, when shell fragment 3 rotates to diverse location on pcb board 1, just different stationary cloth copper 9 is linked to each other with node cloth copper 10, thereby export different resistances, when shell fragment only contacts with a node cloth copper, just accurately export the resistance of corresponding points.
The effect of sheath 4 is that loam cake 2 is kept apart with PCB1, plays a part to lubricate, and prevents that loam cake 2 from wearing and tearing in rotating process; Two stiff ends (being respectively supply pin 7 and grounding leg 8) and adjustable side (output pin 6) be output interface still not, and plays fixation, can directly be fixed on the corresponding device by these three pin, as directly these three pin being welded on another piece PCB.
When 3 on shell fragment contacts 10 with a node cloth copper, just accurately export the resistance of corresponding points, be exactly only to contact 10 situation as shown in Figure 4 with a node cloth copper, this moment, corresponding circuit theory diagrams were Fig. 6, two stiff ends connect 5V power supply and ground respectively, and the adjustable side links to each other with stationary cloth copper, i.e. the end of OUTPUT among the figure, 6 points in node cloth copper 10 corresponding diagram of supposing to be touched this moment 6, then this moment, the adjustable side output voltage values was:
When shell fragment contacts with two node cloth copper 10 simultaneously, situation as shown in Figure 5, its corresponding schematic diagram is Fig. 7, this moment, the voltage of adjustable side output was:
The situation of this moment is equivalent to the short circuit with R6, and from 5 output voltages, but only different with the contact situation of output of 5 node cloth copper of locating with shell fragment, the voltage of exporting is because of contacting with 5 node cloth copper of locating:
From as seen above-mentioned, discrete potentiometer of the present invention in rotation process, does not have neutral, sliding spring plate 3 or contact with a node cloth copper, or contact with two node cloth copper, output is continuous, but the magnitude of voltage of output disperses, its value is corresponding to (I), (II) and (III) formula, and all there is neutral in general Stepping potentiometer, and promptly or export discontinuously, or but output is continuous does not realize accurately dispersing output voltage values; This potentiometer adopts PCB as framework in addition, and it is low to have a cost, is easy to advantages such as process operation.
Claims (5)
1. a discreteness Stepping potentiometer comprises two stiff ends and an adjustable side, pcb board (1); Be installed in a plurality of resistance (5) on the described pcb board (1), described a plurality of resistance (5) link to each other in twos and are connected into resistance chain, and the two ends of described resistance chain link to each other with two stiff ends respectively, connect and compose the stepping electrical nodes between the adjacent resistor;
Corresponding one by one with described stepping electrical nodes and link to each other a plurality of node cloth copper (10);
The stationary cloth copper (9) that links to each other with described adjustable side;
The sliding spring plate (3) that is movably connected with described node cloth copper (10), stationary cloth copper (9) elasticity;
It is characterized in that: described stepping electrical nodes is positioned at the both sides of described pcb board (1) with described node cloth copper (10) and links to each other by the via hole that is positioned on the described pcb board (1).
2. discreteness Stepping potentiometer according to claim 1, it is characterized in that, the interlock of described a plurality of node cloth copper (10) head and the tail is linked to be the unconnected each other node cloth copper ring of a circle, described stationary cloth copper (9) is annular, when described sliding spring plate (3) rotates around described stationary cloth copper (9) center, described sliding spring plate (3) is connected all the time with described stationary cloth copper (9), links to each other with one or two described node cloth copper (10).
3. discreteness Stepping potentiometer according to claim 2 is characterized in that, described stationary cloth copper (9) and described node cloth copper ring are concentric circles.
4. discreteness Stepping potentiometer according to claim 1 is characterized in that, described node cloth copper (10) is Z-shaped.
5. discreteness Stepping potentiometer according to claim 1 is characterized in that, described resistance (5) is Chip-R, and described resistance (5) Surface Mount is on described pcb board (1), and described stepping electrical nodes is the cabling on the described pcb board (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101238534A CN101183579B (en) | 2007-10-15 | 2007-10-15 | Discrete potentiometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101238534A CN101183579B (en) | 2007-10-15 | 2007-10-15 | Discrete potentiometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101183579A CN101183579A (en) | 2008-05-21 |
| CN101183579B true CN101183579B (en) | 2010-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101238534A Expired - Fee Related CN101183579B (en) | 2007-10-15 | 2007-10-15 | Discrete potentiometer |
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| CN (1) | CN101183579B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103632782A (en) * | 2013-12-12 | 2014-03-12 | 东莞市长泰尔电子有限公司 | Potential encoding integrated structure |
| CN105632665A (en) * | 2014-11-27 | 2016-06-01 | 张益� | Photo-potentiometer |
| JP6531721B2 (en) * | 2015-07-29 | 2019-06-19 | 株式会社村田製作所 | Electronic component transfer table, characteristic measurement device, sorting device and taping device |
| CN111276306A (en) * | 2020-01-17 | 2020-06-12 | 新昌县欧赛机械有限公司 | Miniature rheostat of industrial controller circuit board |
| CN111446053B (en) * | 2020-04-07 | 2021-10-08 | 义乌市昕闵日用品有限公司 | Double-adjusting type direct-sliding potentiometer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4139831A (en) * | 1976-10-29 | 1979-02-13 | Georgii-Kobold August Heine Kg | Control for electrical positioning drives |
| CN2284442Y (en) * | 1996-08-27 | 1998-06-17 | 王英 | Step potentiometer |
| CN2624361Y (en) * | 2003-05-29 | 2004-07-07 | 张向伟 | Stepping potentiometer |
| CN101075491A (en) * | 2006-05-19 | 2007-11-21 | Abb专利有限公司 | Potentiometer |
-
2007
- 2007-10-15 CN CN2007101238534A patent/CN101183579B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4139831A (en) * | 1976-10-29 | 1979-02-13 | Georgii-Kobold August Heine Kg | Control for electrical positioning drives |
| CN2284442Y (en) * | 1996-08-27 | 1998-06-17 | 王英 | Step potentiometer |
| CN2624361Y (en) * | 2003-05-29 | 2004-07-07 | 张向伟 | Stepping potentiometer |
| CN101075491A (en) * | 2006-05-19 | 2007-11-21 | Abb专利有限公司 | Potentiometer |
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| Publication number | Publication date |
|---|---|
| CN101183579A (en) | 2008-05-21 |
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