CN206757375U - A kind of automatic frequency converter speed regulation system based on Internet of Things - Google Patents
A kind of automatic frequency converter speed regulation system based on Internet of Things Download PDFInfo
- Publication number
- CN206757375U CN206757375U CN201720260249.5U CN201720260249U CN206757375U CN 206757375 U CN206757375 U CN 206757375U CN 201720260249 U CN201720260249 U CN 201720260249U CN 206757375 U CN206757375 U CN 206757375U
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- China
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- output end
- frequency converter
- internet
- pass
- speed regulation
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Abstract
The utility model discloses a kind of automatic frequency converter speed regulation system based on Internet of Things,Including conveyer belt and control system,The right-hand member of the conveyer belt is fixedly mounted on the front of tensioning dolly,Also it is connected in the right flank of tensioning dolly by road wheel group with rope winch,The both ends of the rope winch are mounted on infrared sensor,The right-hand member of the road wheel group is also connected by tension sensor with control system,The output end of the control system is connected by asynchronous motor with planetary reduction gear,The output end of the PLC is connected by belt conveying machine controller with wireless collection card,The input of the wireless collection card is also associated with human-computer interaction device,The output end of the frequency converter is connected with asynchronous motor,According to the operation of the working condition detecting system of tensioning apparatus,The whole system made is easy to repair,It can be controlled by PLC Direct Programming,It is practical.
Description
Technical field
It the utility model is related to internet of things field, specially a kind of automatic frequency converter speed regulation system based on Internet of Things.
Background technology
The frequency control of alternating current generator generally used in World Developed Countries, and substituted DC motor speed-regulating becomes
Gesture.About 10% electric energy can be saved by carrying out AC speed regulating with Frequency Converter Control motor, and therefore, frequency control is with its outstanding tune
Fast performance and obvious power savings are swift and violent develops, just progressively substitutes slip regulating speed, rectification in industrial dragging system
Sub-motor speed governing, medium frequency electric generating unit and DC speed regulation.
At present in our frequency conversion speed-adjusting system control aspects or relatively backward, and now substantially free of with internet phase
Device even, and during using frequency conversion speed-adjusting system, because systematic comparison is huge, maintenance is also inconvenient, it will usually
Bring huge loss to enterprise, and part converter plant lacks control system, can not realize automation, labor intensity compared with
Greatly.
Utility model content
To achieve the above object, the utility model provides following technical scheme：A kind of automatic frequency-conversion based on Internet of Things is adjusted
Speed system, including conveyer belt and control system, the right-hand member of the conveyer belt are fixedly mounted on the front of tensioning dolly, are being tensioned
The right flank of dolly is also connected by road wheel group with rope winch, and the both ends of the rope winch are mounted on infrared
Sensor, the right-hand member of the road wheel group are also connected by tension sensor with control system, the output of the control system
End is connected by asynchronous motor with planetary reduction gear, and the output end of planetary reduction gear and the control terminal phase of rope winch
Connection, the control system include frequency converter and wireless collection card, and the input of the frequency converter passes through bidirectional interface line and PLC
Controller is connected, and the output end of the PLC is connected by belt conveying machine controller with wireless collection card, described
The input of wireless collection card is also associated with human-computer interaction device, and the output end of the frequency converter is connected with asynchronous motor,
The output end of the asynchronous motor is connected by Clutch and brake, the output end planet and decelerator of the brake
It is connected, and is connected in the output end of planetary reduction gear by threshold setting module with tensioning rod cylinder, the wireless collection card
Input be also connected by WEB server with control main frame.
As a kind of preferable technical scheme of the utility model, the inside of the human-computer interaction device includes LCDs
And KBC, the output end of the LCDs are connected by level translator with the power end of KBC.
As a kind of preferable technical scheme of the utility model, the output end of the PLC is also associated with contactor,
The contactor is internally provided with digital analog converter.
As a kind of preferable technical scheme of the utility model, the signal end of the tension sensor acts on threshold value setting
The input of module, the output end of tension sensor are connected with PLC.
As a kind of preferable technical scheme of the utility model, the surrounding of the rope winch is also installed with multiple
Sensor group, and multiple sensor groups are symmetrically distributed on the outer surface of rope winch.
Compared with prior art, the beneficial effects of the utility model are：The automatic frequency converter speed regulation system based on Internet of Things,
Using master controller of the PLC as whole frequency conversion system, according to tension sensor feedack, detect on frequency converter
The conversion of frequency, while according to the threshold value of threshold setting module default, realize the systematization operation of system, work as belt conveying
When machine starts, the starting and stopping signal of main motor is passed to the control system of automatic takeup first, steel wire rope passes through assembly pulley
Tense tensioning roller.When tension sensor feeds back setting value when tensile force reaches starting (i.e. 1.5 times during normal work),
Asynchronous motor is stopped, and brake, clutch successively power off, and now brake is in dead electricity on-position, conveys owner
After electric motor starting terminates, main motor start dial signal is transferred again to tensioning apparatus control system, and at this moment brake obtains electric quilt
Unclamp, reel reverses by belt tension, plays automatic pine band purpose, until the numerical value of tension sensor feedback reaches setting work
During work value, brake power-off be in on-position, filled in normal work perhaps conveyer tension force in the range of ± the 10% of setting value
Fluctuation.If belt tension is less than setting tension force, automatic takeup is started automatically, and conveyer belt is tightened up, until tensioning
Power reaches in setting range.When tension force be more than setting tensile force, brake obtain it is electric be released, belt tension declines automatically.When
When clamp force suddenly drops to 0, illustrate belt fracture or other situations occur, now tensioning apparatus is stopped, and is filled according to tensioning
The operation for the working condition detecting system put, the whole system made are easy to repair, and can pass through PLC Direct Programming control
System, it is practical.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model modular structure schematic diagram.
In figure：1- conveyer belts；2- is tensioned dolly；3- road wheel groups；4- rope winches；5- sensor groups；The infrared biographies of 6-
Sensor；7- tension sensors；8- control systems；9- asynchronous motors；10- planetary reduction gears；11- is tensioned rod cylinder；12-PLC is controlled
Device processed；13- belt conveying machine controllers；14- threshold setting modules；15- frequency converters；16- KBCs；17- clutches；
18- brakes；19- control main frames；20- level translators；21- contactors；22- digital analog converters；23- wireless collection cards；24-
WEB server；25- LCDs；26- human-computer interaction devices.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Embodiment：
Fig. 1 and Fig. 2 are referred to, the utility model provides a kind of technical scheme：A kind of automatic frequency-conversion based on Internet of Things is adjusted
Speed system, including conveyer belt 1 and control system 8, the right-hand member of the conveyer belt 1 are fixedly mounted on the front of tensioning dolly 2,
The right flank of tensioning dolly 2 is also connected by road wheel group 3 with rope winch 4, and the both ends of the rope winch 4 are pacified
Equipped with infrared sensor 6, the right-hand member of the road wheel group 3 is also connected by tension sensor 7 with control system 8, the control
The output end of system 8 processed is connected by asynchronous motor 9 with planetary reduction gear 10, and the output end and steel of planetary reduction gear 10
The control terminal of cord winch 4 is connected, and the control system 8 includes frequency converter 15 and wireless collection card 23, the frequency converter 15
Input be connected by bidirectional interface line with PLC 12, the output end of the PLC 12 passes through belt conveying
Machine controller 13 is connected with wireless collection card 23, and the input of the wireless collection card 23 is also associated with human-computer interaction device
26, the output end of the frequency converter 15 is connected with asynchronous motor 9, and the output end of the asynchronous motor 9 passes through clutch
17 are connected with brake 18, and the output end of the brake 18 is connected with planetary reduction gear 10, and in planetary reduction gear 10
Output end by threshold setting module 14 with tensioning rod cylinder 11 be connected, the input of the wireless collection card 23 also passes through
WEB server 24 is connected with control main frame 19.
Preferably, the inside of the human-computer interaction device 26 includes LCDs 25 and KBC 16, described
The output end of LCDs 25 is connected by level translator 20 with the power end of KBC 16；The PLC controls
The output end of device 12 is also associated with contactor 21, and the contactor 21 is internally provided with digital analog converter 22；The tension force passes
The signal end of sensor 7 acts on the input of threshold setting module 14, output end and the phase of PLC 12 of tension sensor 7
Connection；The surrounding of the rope winch 4 is also installed with multiple sensor groups 5, and multiple sensor groups 5 are symmetrical
On the outer surface of rope winch 4.
The wireless collection card 23 synchronizes the information that the upper end of PLC 12 gathers, and is entered by WEB server 24
Row networking control, fault message can be synchronized in control main frame, accumulate mantenance data, can be good at detecting frequency conversion system
Operation.
Specifically used mode and advantage：The automatic frequency converter speed regulation system based on Internet of Things, using PLC as whole
The master controller of individual frequency conversion system, according to tension sensor feedack, detect the conversion of frequency on frequency converter, while basis
The threshold value of threshold setting module default, the systematization operation of system is realized, when ribbon conveyer starts, first main electricity
The starting and stopping signal of machine passes to the control system of automatic takeup, and steel wire rope tenses tensioning roller by assembly pulley.Work as tension force
During setting value when sensor feedback tensile force reaches starting when normal work (i.e. 1.5 times), asynchronous motor is stopped,
Brake, clutch successively power off, and now brake is in dead electricity on-position, after conveyer main motor proceed-to-send, main electricity
Machine start dial signal is transferred again to tensioning apparatus control system, at this moment brake obtain it is electric be released, reel is by conveyer belt
Power reverses, and plays automatic pine band purpose, when the numerical value of tension sensor feedback reaches setting working value, at brake power-off
In on-position, conveyer tension force perhaps is filled in normal work and is fluctuated in the range of ± the 10% of setting value.If belt tension
During less than setting tension force, automatic takeup is started automatically, and conveyer belt is tightened up, until tensile force reaches in setting range.When
Tension force be more than setting tensile force, brake obtain it is electric be released, belt tension declines automatically.When tensile force suddenly drops to 0, explanation
Belt fracture or other situations occur, now tensioning apparatus is stopped, according to the working condition detecting system of tensioning apparatus
Operation, the whole system made is easy to repair, can controlled by PLC Direct Programming, practical.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Claims (5)
- A kind of 1. automatic frequency converter speed regulation system based on Internet of Things, it is characterised in that：Including conveyer belt（1）And control system（8）, The conveyer belt（1）Right-hand member be fixedly mounted on tensioning dolly（2）Front on, tensioning dolly（2）Right flank also pass through Road wheel group（3）With rope winch（4）It is connected, the rope winch（4）Both ends be mounted on infrared sensor （6）, the road wheel group（3）Right-hand member also pass through tension sensor（7）With control system（8）It is connected, the control system （8）Output end pass through asynchronous motor（9）With planetary reduction gear（10）It is connected, and planetary reduction gear（10）Output end with Rope winch（4）Control terminal be connected, the control system（8）Including frequency converter（15）With wireless collection card（23）, institute State frequency converter（15）Input pass through bidirectional interface line and PLC（12）It is connected, the PLC（12）It is defeated Go out end and pass through belt conveying machine controller（13）With wireless collection card（23）It is connected, the wireless collection card（23）Input It is also associated with human-computer interaction device（26）, the frequency converter（15）Output end and asynchronous motor（9）It is connected, it is described asynchronous Motor（9）Output end pass through clutch（17）With brake（18）It is connected, the brake（18）Output end and row Star decelerator（10）It is connected, and in planetary reduction gear（10）Output end pass through threshold setting module（14）With being tensioned rod cylinder （11）It is connected, the wireless collection card（23）Input also pass through WEB server（24）With control main frame（19）It is connected.
- A kind of 2. automatic frequency converter speed regulation system based on Internet of Things according to claim 1, it is characterised in that：It is described man-machine Interactive device（26）Inside include LCDs（25）And KBC（16）, the LCDs（25）Output End passes through level translator（20）With KBC（16）Power end be connected.
- A kind of 3. automatic frequency converter speed regulation system based on Internet of Things according to claim 1, it is characterised in that：The PLC Controller（12）Output end be also associated with contactor（21）, the contactor（21）Be internally provided with digital analog converter （22）.
- A kind of 4. automatic frequency converter speed regulation system based on Internet of Things according to claim 1, it is characterised in that：The tension force Sensor（7）Signal end act on threshold setting module（14）Input, tension sensor（7）Output end and PLC control Device processed（12）It is connected.
- A kind of 5. automatic frequency converter speed regulation system based on Internet of Things according to claim 1, it is characterised in that：The steel wire Rope winch（4）Surrounding be also installed with multiple sensor groups（5）, and multiple sensor groups（5）It is symmetrically distributed in steel wire Rope winch（4）Outer surface on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720260249.5U CN206757375U (en) | 2017-03-17 | 2017-03-17 | A kind of automatic frequency converter speed regulation system based on Internet of Things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720260249.5U CN206757375U (en) | 2017-03-17 | 2017-03-17 | A kind of automatic frequency converter speed regulation system based on Internet of Things |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206757375U true CN206757375U (en) | 2017-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720260249.5U Expired - Fee Related CN206757375U (en) | 2017-03-17 | 2017-03-17 | A kind of automatic frequency converter speed regulation system based on Internet of Things |
Country Status (1)
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| CN (1) | CN206757375U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115783646A (en) * | 2022-11-16 | 2023-03-14 | 平安开诚智能安全装备有限责任公司 | Automatic tensioning system and method for mining small belt |
-
2017
- 2017-03-17 CN CN201720260249.5U patent/CN206757375U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115783646A (en) * | 2022-11-16 | 2023-03-14 | 平安开诚智能安全装备有限责任公司 | Automatic tensioning system and method for mining small belt |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20180317 |