CN110197750A - Programmable slide rheostat and application method based on stepper motor PLC intelligent control - Google Patents
Programmable slide rheostat and application method based on stepper motor PLC intelligent control Download PDFInfo
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- CN110197750A CN110197750A CN201910610988.6A CN201910610988A CN110197750A CN 110197750 A CN110197750 A CN 110197750A CN 201910610988 A CN201910610988 A CN 201910610988A CN 110197750 A CN110197750 A CN 110197750A
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000005259 measurement Methods 0.000 claims abstract description 17
- 238000005070 sampling Methods 0.000 claims abstract description 14
- 239000000178 monomer Substances 0.000 claims description 11
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Classifications
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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
- H01C10/30—Adjustable resistors the contact sliding along resistive element
- H01C10/301—Adjustable resistors the contact sliding along resistive element consisting of a wire wound resistor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/30—Adjustable resistors the contact sliding along resistive element
- H01C10/38—Adjustable resistors the contact sliding along resistive element the contact moving along a straight path
- H01C10/40—Adjustable resistors the contact sliding along resistive element the contact moving along a straight path screw operated
- H01C10/42—Adjustable resistors the contact sliding along resistive element the contact moving along a straight path screw operated the contact bridging and sliding along resistive element and parallel conducting bar or collector
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- Microelectronics & Electronic Packaging (AREA)
- Adjustable Resistors (AREA)
Abstract
The embodiment of the invention discloses a kind of programmable slide rheostat and application method based on stepper motor PLC intelligent control, programmable slide rheostat includes variable resistance module and PLC control module；Variable resistance module includes rheostat, driving assembly, resistance value sampling module；Rheostat includes support plate, support shaft, resistance wire, slide bar, sliding triggering block；Driving assembly drives sliding triggering block sliding；Application method measures actual resistance the following steps are included: S1, setting resistance value；S2, setting resistance value and measurement actual resistance are compared；S3, control stepper motor are forward or reverse；S4, measurement actual resistance, to setting resistance value and the measurement secondary comparison of actual resistance；S5, step S3 and S4 are repeated, until setting resistance value and measurement actual resistance are in error range.The problem of slide rheostat manually adjusts in the prior art with solution, and regulative mode is single, and degree of regulation, which is manually adjusted, to be influenced, and adjusting is unstable and inaccurate, cannot achieve automation control.
Description
Technical field
The present embodiments relate to resistive element technical fields, and in particular to one kind is based on stepper motor PLC intelligent control
Programmable slide rheostat and application method.
Background technique
Slide rheostat is a critical elements in circuit, it can change itself by the position of mobile slide plate
Resistance, to play the role of control circuit.In circuit analysis, slide rheostat both can be used as a fixed value resistance,
It can be used as a resistance-changing resistor.
For many specific occasions, the occasion of electrodeless variation is required for resistance value, rheostat on the market is all logical at present
It crosses manually mode to adjust, by hand wheel rotating screw rod, screw rod drives slider, and slider moves back on resistance wire surface
The dynamic effective resistance value that can change resistance wire and connect circuit.
And application of this regulative mode for needs as automation integrated control, rheostat can not be played very
Positive advantage.Meanwhile this mode that manually adjusts is single, degree of regulation is influenced by human factor (manually adjusting), is adjusted unstable
Fixed and inaccuracy, cannot achieve automation control.
Summary of the invention
For this purpose, the embodiment of the present invention provide a kind of programmable slide rheostat based on stepper motor PLC intelligent control and
Application method is manually adjusted with solving slide rheostat in the prior art, and regulative mode is single, and degree of regulation is manually adjusted shadow
The problem of sound, adjusting is unstable and inaccurate, cannot achieve automation control.
To achieve the goals above, the embodiment of the present invention provides the following technical solutions:
According to a first aspect of the embodiments of the present invention, it provides a kind of programmable based on stepper motor PLC intelligent control
Slide rheostat, including variable resistance module and PLC control module；The variable resistance module includes that rheostat, driving assembly, resistance value are adopted
Egf block；The support shaft that the rheostat includes the support plate at both ends, is arranged between two support plates, is wrapped in the support shaft
On resistance wire, the slide bar that is arranged between two support plates and be socketed in cunning on the slide bar and freely slidable
Dynamic contact block, described sliding triggering block one end is connected on resistance wire；The driving component is for driving the sliding triggering block in slide bar
Upper round-trip sliding；The resistance value sampling module is for measuring the currently active resistance value of rheostat.
Further, the support shaft is provided with several between two pieces of support plates, is wound respectively in each support shaft
There is resistance wire, the resistance wire on adjacent supports axis does not contact；It is respectively arranged on each resistance wire and is connected to its surface
Sliding triggering block；The driving component drives all sliding triggering block synchronous slides.
Further, each described support shaft, the resistance wire in support shaft, slide bar and sliding triggering block form a resistance
Variable variable resistance monomer, by conducting wire serial or parallel connection between multiple variable resistance monomers, and connected between adjacent resistance monomer
Control switch is provided on conducting wire, the PLC control module controls the control switch and disconnects or be closed.
Further, the driving component includes stepper motor, the positive and negative rotating controller for controlling stepper motor positive and negative rotation, turns
The dynamic sliding block that screw rod between two support plates is set and is threaded on the screw rod, the sliding block and multiple slidings
Contact block is fixedly connected；The rotation axis of the stepper motor is connect with screw rod.
Further, which further includes cabinet, and the variable resistance module is arranged at intervals in cabinet
Multiple, the resistance value sampling module measures effective resistance value of each variable resistance module.
Further, the resistance value sampling module includes ohmmeter, and ohmmeter two sides are provided with controllable switch, described
PLC control module controls controllable switch connection or disconnects.
Further, the cabinet side is provided with exhaust fan, the side far from exhaust fan is provided with air inlet.
Further, which further includes touch screen, and resistance value input is provided at the touch screen
Module, the PLC control module will input resistance value and measurement resistance value compare after, driving assembly is controlled.
According to a second aspect of the embodiments of the present invention, it discloses a kind of programmable based on stepper motor PLC intelligent control
The application method of slide rheostat, comprising the following steps:
S1, resistance value is set on the touchscreen, PLC control module controls ohmmeter and measures actual resistance；
S2, PLC control module compare setting resistance value and measurement actual resistance；
S3, PLC control module control positive and negative rotating controller, so that stepper motor is forward or reverse；
S4, ohmmeter measure actual resistance, and it is secondary right that PLC control module carries out setting resistance value and measurement actual resistance
Than；
S5, step S3 and S4 are repeated, until setting resistance value and measurement actual resistance are in error range.
Further, in step s3, PLC control module can control each control switch to disconnect or be closed, and make to become
Resistance module shows different resistance values.
The embodiment of the present invention has the advantages that
The present invention can pass through PLC control module pair when in use by the variable resistance module and PLC control module of setting
Variable resistance module is controlled, and any control of angle and revolving speed may be implemented by the stepper motor of setting in variable resistance module,
To realize high-precision automation control.It avoids and manually adjusts, so that resistance value high-precision adjusts.
The present invention by setting PLC control module, when adjusting variable resistance module resistance value, by with set resistance value into
Row comparison, can in adjustment process with actual resistance real time contrast, until being adjusted to mark resistance value in error range.Phase
Than being manually adjusted in traditional, the adjusting resistance value which can fast and automatically be changed.
Detailed description of the invention
It, below will be to embodiment party in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art
Formula or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description is only
It is merely exemplary, it for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer, which is extended, obtains other implementation attached drawings.
Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for
Those skilled in the art understands and reads, and is not intended to limit the invention enforceable qualifications, therefore does not have technical
Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the function of the invention that can be generated
Under effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents can cover.
Fig. 1 is a kind of front view of programmable slide rheostat provided in an embodiment of the present invention；
Fig. 2 is the cross-sectional view of programmable slide rheostat provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of prominent driving assembly in programmable slide rheostat provided in an embodiment of the present invention；
Fig. 4 is the circuit diagram of variable resistance module provided in an embodiment of the present invention
Fig. 5 is the circuit diagram of prominent variable resistance monomer in variable resistance module provided in an embodiment of the present invention；
Fig. 6 is the circuit diagram that positive and negative rotating controller provided in an embodiment of the present invention controls stepper motor rotation；
Fig. 7 is PLC electric operation control circuit figure provided in an embodiment of the present invention.
In figure: 1, variable resistance module；11, rheostat；111, support plate；112, variable resistance monomer；1121, support shaft；1122, electric
Hinder silk；1123, slide bar；1124, sliding triggering block；113, control switch；12, driving assembly；121, stepper motor；122, positive and negative rotation
Controller；123, screw rod；124, sliding block；13, resistance value sampling module；131, controllable switch；2, PLC control module；3, cabinet；
31, exhaust fan；32, air inlet；33, touch screen.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
The term of cited such as "upper", "lower", "left", "right", " centre ", is merely convenient to describe in this specification
Be illustrated, rather than to limit the scope of the invention, relativeness is altered or modified, and is changing technology without essence
It inside holds, when being also considered as the enforceable scope of the present invention.
Embodiment one
A kind of programmable slide rheostat based on stepper motor PLC intelligent control, as shown in Figures 1 to 7, including variable resistance
Module 1 and PLC control module 2；When in use, variable resistance module 1 is controlled by PLC control module 2 and shows different resistance values.
Variable resistance module 1 includes rheostat 11, driving assembly 12, resistance value sampling module 13；Driving assembly 12 is with to variable resistance
Device 11 is driven automatically, so that rheostat 11 shows different resistance values.And resistor sampling module is used to hinder rheostat 11
Value measurement.
Rheostat 11 includes the support plate 111 at both ends, the support shaft 1121 being arranged between two support plates 111, is wrapped in
It resistance wire 1122 in support shaft 1121, the slide bar 1123 being arranged between two support plates 111 and is socketed on slide bar 1123
And freely slidable sliding triggering block 1124,1124 one end of sliding triggering block are connected on resistance wire 1122；Wherein, slide bar 1123 is flat
Row is arranged in support shaft 1121, and friction is small between sliding triggering block 1124 and slide bar 1123, can easily slide.Driving assembly
12 for driving sliding triggering block 1124 to slide back and forth on slide bar 1123.
Wherein, support shaft 1121 is made of ceramic tube material, and ceramic tube has preferably insulation, high temperature resistant property,
During being supported to resistance wire, the service life is longer and safer.
Support shaft 1121 is provided with several between two pieces of support plates 111, is wound with respectively in each support shaft 1121
Resistance wire 1122, the resistance wire 1122 on adjacent supports axis 1121 do not contact；It is respectively arranged on each resistance wire 1122
It is connected to the sliding triggering block 1124 on its surface.
Resistance wire 1122, slide bar 1123 and the formation of sliding triggering block 1124 in each support shaft 1121, support shaft 1121
The variable resistance monomer 112 of one resistance-variable, by conducting wire serial or parallel connection between multiple variable resistance monomers 112, and adjacent resistance
Be provided with control switch 113 on the conducting wire connected between monomer, PLC control module 2 control each control switch 113 disconnect or
Person's closure.
Driving assembly 12 drives all 1124 synchronous slides of sliding triggering block.Driving assembly 12 includes stepper motor 121, control
The positive and negative rotating controller 122 of 121 positive and negative rotation of stepper motor processed, the screw rod 123 being rotatably arranged between two support plates 111 and
The sliding block 124 being threaded on screw rod 123, sliding block 124 are fixedly connected with multiple sliding triggering blocks 1124；Stepper motor 121
Rotation axis is connect with screw rod 123.When in use, positive and negative rotating controller 122 is controlled by PLC control module 2, to control stepping
Motor 121 rotates forward or reversion, so that sliding triggering block 1124 be driven to slide.
Resistance value sampling module 13 is for measuring the currently active resistance value of rheostat 11.Resistance value sampling module 13
Including ohmmeter, ohmmeter two sides are provided with controllable switch 131, the PLC control module 2 controls controllable switch 131 and is connected to
Or it disconnects.
The programmable slide rheostat further includes cabinet 3, and variable resistance module 1 is arranged at intervals with multiple, resistance value in cabinet 3
Sampling module 13 measures effective resistance value of each variable resistance module 1.
3 side of cabinet is provided with exhaust fan 31, the side far from exhaust fan 31 is provided with air inlet 32.By above
It is arranged for carrying out fan heat to the rheostat 11 inside cabinet 3.
The programmable slide rheostat 11 further includes touch screen 33, and resistance value input module, PLC are provided at touch screen 33
Control module 2 will input resistance value and measurement resistance value compare after, driving assembly 12 is controlled.
Embodiment two
A kind of application method of the programmable slide rheostat based on stepper motor PLC intelligent control, comprising the following steps:
S1, resistance value is set on touch screen 33, PLC control module 2 controls ohmmeter and measures actual resistance；
2 pairs of setting resistance values of S2, PLC control module and measurement actual resistance compare；
S3, PLC control module 2 controls positive and negative rotating controller 122, so that stepper motor 121 is forward or reverse；
S4, ohmmeter measure actual resistance, and it is secondary right that 2 pairs of setting resistance values of PLC control module and measurement actual resistance carry out
Than；
S5, step S3 and S4 are repeated, until setting resistance value and measurement actual resistance are in error range.
In step s3, PLC control module 2 can control each control switch 113 to disconnect or be closed, and make variable resistance module
The different resistance value of 1 performance.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (10)
1. a kind of programmable slide rheostat based on stepper motor PLC intelligent control, it is characterised in that: including variable resistance module
(1) and PLC control module (2)；
The variable resistance module (1) includes rheostat (11), driving assembly (12), resistance value sampling module (13)；
The rheostat (11) includes the support plate (111) at both ends, the support shaft being arranged between two support plates (111)
(1121), the cunning for being wrapped in the resistance wire (1122) on the support shaft (1121), being arranged between two support plates (111)
Bar (1123) and it is socketed in sliding triggering block (1124) on the slide bar (1123) and freely slidable, the sliding triggering block
(1124) one end is connected on resistance wire (1122)；
The driving component (12) is for driving the sliding triggering block (1124) to slide back and forth on slide bar (1123)；
The resistance value sampling module (13) is for measuring rheostat (11) the currently active resistance value.
2. the programmable slide rheostat according to claim 1 based on stepper motor PLC intelligent control, feature exist
It is provided between two pieces of support plates (111) in: the support shaft (1121) several, is twined respectively in each support shaft (1121)
It is wound with resistance wire (1122), the resistance wire (1122) on adjacent supports axis (1121) does not contact；
The sliding triggering block (1124) for being connected to its surface is respectively arranged on each resistance wire (1122)；
The driving component (12) drives all sliding triggering block (1124) synchronous slides.
3. the programmable slide rheostat according to claim 2 based on stepper motor PLC intelligent control, feature exist
In: resistance wire (1122), slide bar (1123) and sliding triggering block in each described support shaft (1121), support shaft (1121)
(1124) the variable resistance monomer (112) for forming a resistance-variable, by conducting wire series connection or simultaneously between multiple variable resistance monomers (112)
Connection, and control switch (113) are provided on the conducting wire connected between adjacent resistance monomer, PLC control module (2) control
The control switch (113) disconnects or closure.
4. the programmable slide rheostat according to claim 1 based on stepper motor PLC intelligent control, feature exist
In: the driving component (12) includes stepper motor (121), the positive and negative rotating controller for controlling stepper motor (121) positive and negative rotation
(122), it the screw rod (123) that is rotatably arranged between two support plates (111) and is threaded on the screw rod (123)
Sliding block (124), the sliding block (124) are fixedly connected with multiple sliding triggering blocks (1124)；
The rotation axis of the stepper motor (121) is connect with screw rod (123).
5. the programmable slide rheostat according to claim 1 based on stepper motor PLC intelligent control, feature exist
In: programmable slide rheostat (11) further include cabinet (3), and the variable resistance module (1) is arranged at intervals with more in cabinet (3)
A, the resistance value sampling module (13) measures effective resistance value of each variable resistance module (1).
6. the programmable slide rheostat according to claim 1 based on stepper motor PLC intelligent control, feature exist
In: the resistance value sampling module (13) includes ohmmeter, is provided with controllable switch (131) in ohmmeter two sides, the PLC control
Molding block (2) controls controllable switch (131) connection or disconnects.
7. the programmable slide rheostat according to claim 5 based on stepper motor PLC intelligent control, feature exist
In: the cabinet (3) side is provided with exhaust fan (31), the side far from exhaust fan (31) is provided with air inlet (32).
8. the programmable slide rheostat according to claim 1 based on stepper motor PLC intelligent control, feature exist
In: programmable slide rheostat (11) further include touch screen (33), and resistance value input mould is provided at the touch screen (33)
Block, the PLC control module (2) will input resistance value and measurement resistance value compare after, driving assembly (12) is controlled.
9. a kind of application method of the programmable slide rheostat based on stepper motor PLC intelligent control, it is characterised in that: including
Following steps:
S1, resistance value is set on touch screen (33), PLC control module (2) controls ohmmeter and measures actual resistance；
S2, PLC control module (2) compare setting resistance value and measurement actual resistance；
S3, PLC control module (2) control positive and negative rotating controller (122), so that stepper motor (121) is forward or reverse；
S4, ohmmeter measure actual resistance, and PLC control module (2) carries out secondary comparison to setting resistance value and measurement actual resistance；
S5, step S3 and S4 are repeated, until setting resistance value and measurement actual resistance are in error range.
10. the programmable slide rheostat according to claim 9 based on stepper motor PLC intelligent control, feature exist
In: in step s3, PLC control module (2) can control each control switch (113) to disconnect or be closed, and make variable resistance module
(1) different resistance values is showed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910610988.6A CN110197750B (en) | 2019-07-08 | Programmable slide rheostat based on PLC intelligent control of stepping motor and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910610988.6A CN110197750B (en) | 2019-07-08 | Programmable slide rheostat based on PLC intelligent control of stepping motor and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110197750A true CN110197750A (en) | 2019-09-03 |
| CN110197750B CN110197750B (en) | 2024-07-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228502A (en) * | 2020-10-15 | 2021-01-15 | 哈尔滨工程大学 | Intelligent variable damping vibration suppression and power generation recovery device |
| CN113242634A (en) * | 2021-05-24 | 2021-08-10 | 珠海格力电器股份有限公司 | Dimmer switch, method, controller and storage medium |
| CN113572313A (en) * | 2021-09-26 | 2021-10-29 | 江苏联测机电科技股份有限公司 | Adjustable resistance connector for testing output current of generator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112228502A (en) * | 2020-10-15 | 2021-01-15 | 哈尔滨工程大学 | Intelligent variable damping vibration suppression and power generation recovery device |
| CN113242634A (en) * | 2021-05-24 | 2021-08-10 | 珠海格力电器股份有限公司 | Dimmer switch, method, controller and storage medium |
| CN113572313A (en) * | 2021-09-26 | 2021-10-29 | 江苏联测机电科技股份有限公司 | Adjustable resistance connector for testing output current of generator |
| CN113572313B (en) * | 2021-09-26 | 2021-11-30 | 江苏联测机电科技股份有限公司 | Adjustable resistance connector for testing output current of generator |
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