CN110600215A - Synchronous multi-connection potentiometer resistance value adjusting system - Google Patents
Synchronous multi-connection potentiometer resistance value adjusting system Download PDFInfo
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- CN110600215A CN110600215A CN201910918391.8A CN201910918391A CN110600215A CN 110600215 A CN110600215 A CN 110600215A CN 201910918391 A CN201910918391 A CN 201910918391A CN 110600215 A CN110600215 A CN 110600215A
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- potentiometer
- resistance value
- stepping motor
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- chip microcomputer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/14—Adjustable resistors adjustable by auxiliary driving means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/16—Adjustable resistors including plural resistive elements
- H01C10/20—Contact structure or movable resistive elements being ganged
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C13/00—Resistors not provided for elsewhere
- H01C13/02—Structural combinations of resistors
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Adjustable Resistors (AREA)
- Control Of Stepping Motors (AREA)
Abstract
The invention provides a resistance value adjusting system of a synchronous multi-connected potentiometer, which comprises a single chip microcomputer, a sampling circuit, a stepping motor driving circuit and a stepping motor; the single chip microcomputer is connected with a first potentiometer of the synchronous multi-connected potentiometer through a sampling circuit, and the first potentiometer is any potentiometer of the synchronous multi-connected potentiometers; the single chip microcomputer is connected with the stepping motor through a stepping motor driving circuit, a rotating shaft of the stepping motor is connected with a rotating shaft of the synchronous multi-connection potentiometer, and the rotating shaft of the synchronous multi-connection potentiometer is driven to rotate when the stepping motor rotates. In the using process, a user inputs a target resistance value through the single chip microcomputer; the single chip microcomputer collects the instant resistance value of the first potentiometer and compares the collected instant resistance value with a target resistance value input by a user; the single chip microcomputer adjusts a rotating shaft of the synchronous multi-connection potentiometer through the stepping motor driving circuit and the stepping motor until the acquired instant resistance value is the same as the target resistance value input by the user. The scheme can effectively improve the resistance value adjusting efficiency of the synchronous multi-connection potentiometer.
Description
Technical Field
The invention relates to the technical field of potentiometer resistance value adjustment, in particular to a synchronous multi-connection potentiometer resistance value adjusting system.
Background
The potentiometer is a resistance element which is provided with three leading-out terminals and the resistance value of which can be adjusted according to a certain change rule. The multi-connection potentiometer refers to a potentiometer assembly consisting of two or more single-connection potentiometers. The synchronous multi-connection potentiometer refers to a multi-connection potentiometer which uses the same adjusting shaft to synchronously adjust all the multi-connection potentiometers.
The synchronous multi-connection potentiometer is widely applied to adjustment and control in the fields of electronic equipment, household appliances, equipment instruments, medical instruments and the like, and in specific application, any number of circuits of synchronous multi-connection potentiometers can be selected and used as required. For example, for a binaural sound system, a synchronous dual potentiometer is used to achieve synchronous adjustment of the binaural volume.
In the prior art, the resistance value of a synchronous multi-connection potentiometer is usually adjusted manually, the adjusting efficiency is low, and the method is particularly not suitable for high-power synchronous multi-connection potentiometers.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a synchronous multi-connection potentiometer resistance value adjusting system.
The invention provides a synchronous multi-connection potentiometer resistance value adjusting system, which comprises: the device comprises a singlechip, a sampling circuit, a stepping motor driving circuit and a stepping motor; the single chip microcomputer is connected with a first potentiometer of the synchronous multi-link potentiometer through the sampling circuit, the first potentiometer is any one of the synchronous multi-link potentiometers, and the sampling circuit is used for collecting resistance value data of the first potentiometer in real time; the single chip microcomputer is connected with the stepping motor through the stepping motor driving circuit, the stepping motor driving circuit is used for driving the stepping motor to rotate, a rotating shaft of the stepping motor is connected with a rotating shaft of the synchronous multi-connection potentiometer in a sleeved mode through a coupler, and the rotating shaft of the synchronous multi-connection potentiometer is driven to rotate when the stepping motor rotates;
a user inputs a target resistance value through an external interface of the single chip microcomputer, wherein the target resistance value is the resistance value to which any one-to-one potentiometer of the synchronous multi-potentiometer needs to be adjusted;
the single chip microcomputer collects the resistance value data of the first potentiometer in real time through the sampling circuit to obtain the instant resistance value of the first potentiometer;
the singlechip compares the instant resistance value of the first potentiometer with a target resistance value input by a user;
if the instant resistance value of the first potentiometer is different from the target resistance value input by the user, the single chip microcomputer adjusts a rotating shaft of the synchronous multi-potentiometer through the stepping motor driving circuit and the stepping motor until the instant resistance value of the first potentiometer is the same as the target resistance value input by the user.
The system as described above, wherein the user inputs the target resistance value through an external interface of the single chip, specifically:
the user inputs the target resistance value through the operation keys of the single chip microcomputer.
In the system, preferably, the single chip microcomputer is further provided with an information display screen; the information display screen is used for displaying a target resistance value input by a user; the information display screen is also used for displaying the acquired instant resistance value of the first potentiometer.
The system is characterized in that the single chip microcomputer is connected with a plurality of synchronous multi-connected potentiometers; the singlechip is also provided with a 485 communication interface.
Optionally, the system further includes a master control PLC, and the single chip is connected to the master control PLC through a 485 communication interface. Further, the master control PLC is connected with a plurality of single-chip microcomputers.
The invention provides a synchronous multi-connection potentiometer resistance value adjusting system, which comprises: the device comprises a singlechip, a sampling circuit, a stepping motor driving circuit and a stepping motor; the single chip microcomputer is connected with a first potentiometer of the synchronous multi-connection potentiometer through a sampling circuit, the first potentiometer is any one of the synchronous multi-connection potentiometers, and the sampling circuit is used for collecting resistance value data of the first potentiometer in real time; the single chip microcomputer is connected with the stepping motor through a stepping motor driving circuit, the stepping motor driving circuit is used for driving the stepping motor to rotate, a rotating shaft of the stepping motor is connected with a rotating shaft of the synchronous multi-connection potentiometer in a sleeved mode through a coupler, and the rotating shaft of the synchronous multi-connection potentiometer is driven to rotate when the stepping motor rotates; in the using process, a user inputs a target resistance value through an external interface of the single chip microcomputer, wherein the target resistance value is the resistance value to which any one of the synchronous multiple potentiometers needs to be adjusted; the single chip microcomputer collects the resistance value data of the first potentiometer in real time through the sampling circuit to obtain the instant resistance value of the first potentiometer; the singlechip compares the instant resistance value of the first potentiometer with a target resistance value input by a user; if the instant resistance value of the first potentiometer is different from the target resistance value input by the user, the single chip microcomputer adjusts a rotating shaft of the synchronous multi-potentiometer through the stepping motor driving circuit and the stepping motor until the instant resistance value of the first potentiometer is the same as the target resistance value input by the user. The technical scheme provided by the invention has high adjusting efficiency and is particularly suitable for adjusting the resistance value of a high-power synchronous multi-connection potentiometer.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a synchronous multi-connected potentiometer resistance value adjusting system provided by the invention;
FIG. 2 is a flow chart of a method for adjusting the resistance of a synchronous multi-connected potentiometer according to the present invention;
FIG. 3 is a schematic diagram of an embodiment of the system for adjusting the resistance of the synchronous multi-connected potentiometer according to the present invention;
fig. 4 is a schematic diagram of a resistance value adjusting device of a synchronous multi-connected potentiometer provided by the invention.
In fig. 4: 1. a resistance value output terminal; 2. a is connected with a resistance pin of the potentiometer; 3. a duplex potentiometer body; 4. a stepping motor; 5. b is connected with a potentiometer resistance pin; 6. an LCD display screen; 7. and (6) pressing a key.
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.
Fig. 1 is a schematic structural diagram of a synchronous multi-potentiometer resistance value adjusting system provided by the invention. Referring to fig. 1, the resistance value adjusting system of the synchronous multi-connected potentiometer provided by the invention comprises: the device comprises a singlechip, a sampling circuit, a stepping motor driving circuit and a stepping motor; the single chip microcomputer is connected with a first potentiometer of the synchronous multi-connection potentiometer through a sampling circuit, the first potentiometer is any one of the synchronous multi-connection potentiometers, and the sampling circuit is used for collecting resistance value data of the first potentiometer in real time; the single chip microcomputer is connected with the stepping motor through a stepping motor driving circuit, the stepping motor driving circuit is used for driving the stepping motor to rotate, a rotating shaft of the stepping motor is connected with a rotating shaft of the synchronous multi-connection potentiometer in a sleeved mode through a coupler, and the rotating shaft of the synchronous multi-connection potentiometer is driven to rotate when the stepping motor rotates. Preferably, the user inputs the target resistance value through an operation key of the single chip microcomputer, and the single chip microcomputer is further provided with an information display screen; the information display screen is used for displaying the target resistance value input by the user; the information display screen is also used for displaying the acquired instant resistance value of the first potentiometer.
As for the system, in specific application, one single chip microcomputer can be connected with a plurality of synchronous multi-connected potentiometers, the single chip microcomputer can be further provided with a 485 communication interface, the system can further comprise a master control PLC, and the single chip microcomputer is connected with the master control PLC through the 485 communication interface. Further, the master control PLC can be connected with a plurality of single-chip microcomputers.
Fig. 2 is a flow chart of a method for adjusting the resistance of a synchronous multi-connected potentiometer provided by the invention. Referring to fig. 1 and 2, the method of the present embodiment may include the following.
And S1, inputting a target resistance value through an external interface of the single chip microcomputer by a user, wherein the target resistance value is the resistance value to which any one of the one-to-one potentiometers of the synchronous multi-connected potentiometers needs to be adjusted.
And S2, the single chip microcomputer collects the resistance value data of the first potentiometer in real time through the sampling circuit to obtain the instant resistance value of the first potentiometer.
And S3, the singlechip compares the instant resistance value of the first potentiometer with the target resistance value input by the user.
And S4, if the instant resistance value of the first potentiometer is different from the target resistance value input by the user, the single chip microcomputer adjusts the rotating shaft of the synchronous multi-potentiometer through the stepping motor driving circuit and the stepping motor until the instant resistance value of the first potentiometer is the same as the target resistance value input by the user.
According to the technical scheme provided by the invention, the micro-control chip is matched with the motor transmission principle to drive the high-power potentiometer to output the specified resistance value, the resistance value adjusting efficiency of the synchronous multi-connection potentiometer can be effectively improved, the method is particularly suitable for resistance value adjustment of the high-power synchronous multi-connection potentiometer, and application and popularization of the high-power synchronous multi-connection potentiometer are facilitated.
The following is an application example of the technical solution provided by the embodiment of the present invention.
Fig. 3 is a schematic view of an application embodiment of the synchronous multi-connected potentiometer resistance value adjusting system provided by the invention, and fig. 4 is a schematic view of a synchronous multi-connected potentiometer resistance value adjusting device provided by the invention. Referring to fig. 3 and 4, the double-link potentiometer includes an a-link potentiometer and a B-link potentiometer. The duplex potentiometer body 3 is arranged in the adjusting device, and the resistance pin 2 of the A-duplex potentiometer, the resistance pin 5 of the B-duplex potentiometer and the resistance output terminal 1 of the potentiometer are shown in the figure. When in use, the required resistance value is input and adjusted through the key 7, and the adjusting time (namely the time required for reaching the specified resistance value) can be set. After the output resistance value is set, the output resistance value key is pressed, the stepping motor 4 adjusts the resistance value sampled by the resistance value pin of the current potentiometer connected in B (the resistance values of the A connection and the B connection are synchronous), and the stepping motor 4 stops outputting after the resistance value is adjusted to the set resistance value. During use, a user can also observe the resistance value change of the potentiometer during the adjustment process through the LCD display screen. In this embodiment, the adjusting system is mainly controlled by the single chip, and the resistance value of one of the dual potentiometers is sampled and then the stepping motor is driven to reach the set resistance value.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides a synchronous many potentiometre resistance governing systems that ally oneself with which characterized in that includes: the device comprises a singlechip, a sampling circuit, a stepping motor driving circuit and a stepping motor; the single chip microcomputer is connected with a first potentiometer of the synchronous multi-link potentiometer through the sampling circuit, the first potentiometer is any one of the synchronous multi-link potentiometers, and the sampling circuit is used for collecting resistance value data of the first potentiometer in real time; the single chip microcomputer is connected with the stepping motor through the stepping motor driving circuit, the stepping motor driving circuit is used for driving the stepping motor to rotate, a rotating shaft of the stepping motor is connected with a rotating shaft of the synchronous multi-connection potentiometer in a sleeved mode through a coupler, and the rotating shaft of the synchronous multi-connection potentiometer is driven to rotate when the stepping motor rotates;
a user inputs a target resistance value through an external interface of the single chip microcomputer, wherein the target resistance value is the resistance value to which any one-to-one potentiometer of the synchronous multi-potentiometer needs to be adjusted;
the single chip microcomputer collects the resistance value data of the first potentiometer in real time through the sampling circuit to obtain the instant resistance value of the first potentiometer;
the singlechip compares the instant resistance value of the first potentiometer with a target resistance value input by a user;
if the instant resistance value of the first potentiometer is different from the target resistance value input by the user, the single chip microcomputer adjusts a rotating shaft of the synchronous multi-potentiometer through the stepping motor driving circuit and the stepping motor until the instant resistance value of the first potentiometer is the same as the target resistance value input by the user.
2. The system according to claim 1, wherein the user inputs the target resistance value through an external interface of the single chip microcomputer, specifically:
the user inputs the target resistance value through the operation keys of the single chip microcomputer.
3. The system according to claim 1, wherein the single chip microcomputer is further provided with an information display screen;
the information display screen is used for displaying a target resistance value input by a user;
the information display screen is also used for displaying the acquired instant resistance value of the first potentiometer.
4. The system as claimed in claim 1, wherein the single chip microcomputer is connected with a plurality of synchronous multi-connection potentiometers.
5. The system according to any one of claims 1-4, wherein the single chip is further provided with a 485 communication interface.
6. The system of claim 5, further comprising a master PLC, wherein the single chip microcomputer is connected with the master PLC through a 485 communication interface.
7. The system of claim 6, wherein the master PLC is connected to a plurality of single-chip microcomputers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910918391.8A CN110600215A (en) | 2019-09-26 | 2019-09-26 | Synchronous multi-connection potentiometer resistance value adjusting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910918391.8A CN110600215A (en) | 2019-09-26 | 2019-09-26 | Synchronous multi-connection potentiometer resistance value adjusting system |
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| Publication Number | Publication Date |
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| CN110600215A true CN110600215A (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910918391.8A Pending CN110600215A (en) | 2019-09-26 | 2019-09-26 | Synchronous multi-connection potentiometer resistance value adjusting system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201130577Y (en) * | 2007-12-20 | 2008-10-08 | 陕西宏星电器有限责任公司 | Coaxial multigang accurate wire-wound potentiometer |
| CN204536794U (en) * | 2014-12-22 | 2015-08-05 | 杭州威衡科技有限公司 | A kind of multiple-pulse potentiometer control device |
| CN204926943U (en) * | 2015-09-17 | 2015-12-30 | 武汉大学 | Potentiometre is adjusted and detection device based on singlechip |
| CN206819825U (en) * | 2017-06-07 | 2017-12-29 | 深圳明佳创新电子有限公司 | Motor-driven slide potentiometer |
-
2019
- 2019-09-26 CN CN201910918391.8A patent/CN110600215A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201130577Y (en) * | 2007-12-20 | 2008-10-08 | 陕西宏星电器有限责任公司 | Coaxial multigang accurate wire-wound potentiometer |
| CN204536794U (en) * | 2014-12-22 | 2015-08-05 | 杭州威衡科技有限公司 | A kind of multiple-pulse potentiometer control device |
| CN204926943U (en) * | 2015-09-17 | 2015-12-30 | 武汉大学 | Potentiometre is adjusted and detection device based on singlechip |
| CN206819825U (en) * | 2017-06-07 | 2017-12-29 | 深圳明佳创新电子有限公司 | Motor-driven slide potentiometer |
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Address after: No. 3138, Shiji Avenue, Huangdao District, Qingdao, Shandong Province Applicant after: Qingdao zhonggate Electric Co., Ltd Address before: 266400 Century Avenue, Huangdao District, Qingdao, Shandong Province, No. 662 Applicant before: QINGDAO CCS VFD MOTOR Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191220 |
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| RJ01 | Rejection of invention patent application after publication |