CN207283452U - The three phase alternating current motor intelligent frequency-conversion energy-saving control system that maize sheller uses - Google Patents
The three phase alternating current motor intelligent frequency-conversion energy-saving control system that maize sheller uses Download PDFInfo
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- CN207283452U CN207283452U CN201720622471.5U CN201720622471U CN207283452U CN 207283452 U CN207283452 U CN 207283452U CN 201720622471 U CN201720622471 U CN 201720622471U CN 207283452 U CN207283452 U CN 207283452U
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- alternating current
- phase alternating
- current motor
- maize sheller
- shell
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Abstract
The three phase alternating current motor intelligent frequency-conversion energy-saving control system that maize sheller uses, by shell, friction rubber wheel, dc generator, generator support, electromagnet, guiding shell, armature, mobile bar, shifting lever spring, spacing collar, interlocking bar, speed-regulating switch and frequency converter are formed, shell is installed on the rear end of maize sheller three phase alternating current motor housing, friction rubber wheel is installed in dc generator shaft left front end, remaining device is installed inside the housing, three terminals of speed-regulating switch, 10 feet with frequency converter respectively, 2 feet, 5 feet are connected by conducting wire, three power inputs of frequency converter are connected with 380V AC powers by conducting wire respectively, three ac power outputs of frequency converter are connected with three ac power input ends of three phase alternating current motor by conducting wire respectively.The utility model can automatically adjust input to the supply frequency of three phase alternating current motor power input, achieve the purpose that energy saving according to the three phase alternating current motor payload that maize sheller uses.
Description
Technical field
Electric corn thresher corollary equipment is the utility model is related to, it is especially a kind of to make installed in electric corn thresher
Three phase alternating current motor housing rear end, input can be automatically controlled to three in work according to the shaft rotating speed of three phase alternating current motor
The supply frequency of cross streams motor power input terminal, makes three phase alternating current motor be operated in suitable supply frequency, intersecting three
When stream motor load is small, input is reduced to the supply frequency of three phase alternating current motor power input, in three phase alternating current motor load
When big, the supply frequency of increase input to three phase alternating current motor power input, so as to reach the maize sheller of energy saving purpose
The three phase alternating current motor intelligent frequency-conversion energy-saving control system used.
Background technology
At present, known electric corn thresher, without a kind of three phase alternating current motor used in electric corn thresher
During work, input can be automatically adjusted to three phase alternating current motor power input power supply according to the size of three phase alternating current motor load
The equipment of frequency, payload three phase alternating current motor are all operated under same supply frequency, therefore can cause the wave of electric energy
Take.
Utility model content
In order to overcome existing electric corn thresher, without a kind of three-phase alternating current used in electric corn thresher
When machine works, input can be automatically adjusted to three phase alternating current motor power input electricity according to the size of three phase alternating current motor load
The equipment of source frequency, payload maize sheller three phase alternating current motor are all operated under same supply frequency, thus can
The drawbacks of causing waste of energy, the utility model provide a kind of three phase alternating current motor used installed in electric corn thresher
Housing rear end, it is defeated to three-phase alternating current electromechanical source input can be automatically controlled according to the shaft rotating speed of three phase alternating current motor in work
Enter the supply frequency at end, three phase alternating current motor is operated in suitable supply frequency, when three phase alternating current motor load is small, drop
Low input is to the supply frequency of three phase alternating current motor power input, and when three phase alternating current motor load is big, increase is inputted to three
The supply frequency of cross streams motor power input terminal, so that the three phase alternating current motor that the maize sheller for reaching energy saving purpose uses
Intelligent frequency-conversion energy-saving control system.
Technical solution is used by the utility model solves its technical problem：
The three phase alternating current motor intelligent frequency-conversion energy-saving control system that maize sheller uses, it is characterised in that by shell, rub
Wipe rubber wheel, dc generator, generator support, electromagnet, guiding shell, armature, mobile bar, shifting lever spring, spacing collar, connection
Lever, speed-regulating switch and frequency converter are formed, and shell is installed on the rear end of maize sheller three phase alternating current motor housing, shell left side
There is a perforate at end middle part, and dc generator is small-sized 5V dc generators, and dc generator shaft left end is from shell left-hand end
Middle part perforate is outwards pierced by, and friction rubber wheel is installed in dc generator shaft left front end, and generator support upper end is installed on
Dc generator housing lower end, bottom left end, electromagnet install bottom inside the shell to the installation of generator support lower end inside the shell
Right end, there is a perforate at upper end right part, guiding shell lower end middle part inside the shell for guiding shell installation, and mobile bar lower part is located at guiding shell
In the middle part of lower end in perforate, armature is installed on mobile bar bottom, and shifting lever spring is sleeved on mobile bar top, and spacing collar, which is installed on, to be moved
Lever upper end, interlocking bar lower-left end are installed on spacing collar upper end, and speed-regulating switch is installed on upper right side inside guiding shell, and interlocking bar is right
End is installed in the regulation handle left front end of speed-regulating switch, frequency converter installation bottom right end inside the shell, two of dc generator
Two power inputs of power supply and electromagnet of DC power output end output are connected by conducting wire, and three power supplys of speed-regulating switch connect
Line end is connected with 10 feet, 2 feet, 5 feet of frequency converter by conducting wire respectively, three ac power input ends of frequency converter respectively and
Three end of 380V AC powers is connected by conducting wire, three ac power outputs of frequency converter three-phase with maize sheller respectively
Three ac power input ends of alternating current generator are connected by conducting wire.
After the shell is installed on the rear end of maize sheller three phase alternating current motor housing, friction rubber wheel outboard end and jade
Shaft is in close contact after the three phase alternating current motor of rice thresing machine, when the three phase alternating current motor of maize sheller rotates clockwise,
The three phase alternating current motor shaft of maize sheller can drive friction rubber wheel to rotate counterclockwise, and friction rubber wheel can drive direct current to send out
The rotor of motor rotates counterclockwise.
The work of electromagnet power supply is DC power supply, and the magnetic action power of electromagnet acts on armature.
When the armature moves downward, armature can drive mobile bar to overcome shifting lever spring along perforate in the middle part of guiding shell lower end
Elastic acting force moves downward.
When the mobile bar moves downward, mobile bar can drive spacing collar and interlocking bar to move downwardly together.
When the interlocking bar moves downward, interlocking bar right end can drive the regulation handle of speed-regulating switch to move down.
The speed-regulating switch is an adjustable resistance.
The frequency converter model FR-D720-3.7K.
The utility model beneficial effect is：In use, when three phase alternating current motor load is small used in maize sheller,
The shaft rotating speed of the three phase alternating current motor of maize sheller can raise, and three due to, friction rubber wheel and maize sheller are intersecting
Machine shaft is flowed to be in close contact, so, after the shaft rotating speed rise of the three phase alternating current motor of maize sheller, friction rubber wheel meeting
Rotor with dynamotor is rotated counterclockwise with higher rotating speed, so that, the output of dc generator power output end is higher
The DC power supply of voltage；After the DC power supply of dc generator power output end output enters electromagnet power supply input terminal, electromagnetism
Iron obtains electric work and is attracted armature downwards, and armature drives mobile bar, interlocking bar to move downward, and interlocking bar drives speed-regulating switch to adjust
Handle moves down, and speed-regulating switch output terminal resistance value becomes larger, and converter power supply output terminal exports the AC power of lower frequency
To the three phase alternating current motor power input of maize sheller, then, the three phase alternating current motor of maize sheller is in lower frequency
Power supply in work, the three phase alternating current motor shaft rotating speed of maize sheller reduces, and achievees the purpose that energy saving；Work as maize sheller
Three phase alternating current motor load it is big when, the shaft rotating speed of three phase alternating current motor can reduce, dc generator power output end output
Direct current power source voltage can also reduce, in this way, electromagnet act on armature magnetic action power reduce, mobile bar is in mobile bar bullet
Moved upwards under spring elastic acting force, mobile bar drives interlocking bar, the regulation handle of speed-regulating switch to move upwardly together, and speed governing is opened
Close output terminal resistance value to diminish, the three of the AC power of converter power supply output terminal output upper frequency to maize sheller are intersecting
Galvanic electricity electromechanical source input terminal, then, the three phase alternating current motor of maize sheller work in the power supply of upper frequency, corn threshing
The three phase alternating current motor shaft rotating speed rise of machine, meets the rotating speed requirement when three phase alternating current motor load of maize sheller is big.
Based on the above, so application prospect that the utility model has had.
Brief description of the drawings
The utility model is described further with reference to the accompanying drawings and examples.
Fig. 1 is the utility model structure diagram.
Fig. 2 is the circuit diagram between the utility model speed-regulating switch, frequency converter and maize sheller three phase alternating current motor.
In Fig. 1,1 is shell, and 2 be friction rubber wheel, and 3 be dc generator, and 4 be generator support, and 5 be electromagnet, 6
It is guiding shell, 7 be armature, and 8 be mobile bar, and 9 be shifting lever spring, and 10 be spacing collar, and 11 be interlocking bar, and 12 be speed-regulating switch,
13 be frequency converter.
In Fig. 2, RP is speed-regulating switch, and using adjustable resistance, resistance value is 4.7K；A is frequency converter, and R, S, T are frequency converters three
A ac power input end, U, V, W are three ac power outputs of frequency converter；M is the three phase alternating current motor of maize sheller.
Embodiment
Shown in Fig. 1, three phase alternating current motor intelligent frequency-conversion energy-saving control system that maize sheller uses by shell 1, rubs
Wipe rubber wheel 2, dc generator 3, generator support 4, electromagnet 5, guiding shell 6, armature 7, mobile bar 8, shifting lever spring 9,
Spacing collar 10, interlocking bar 11, speed-regulating switch 12 and frequency converter 13 are formed, and shell 1 is installed on maize sheller three phase alternating current motor
The rear end of housing, there is a perforate in the middle part of 1 left-hand end of shell, and dc generator 3 is small-sized 5V dc generators, dc generator
3 shaft left ends are outwards pierced by from perforate in the middle part of 1 left-hand end of shell, and friction rubber wheel 2 is installed on 3 shaft left front end of dc generator
On, 4 upper end of generator support is installed on 3 housing lower end of dc generator, and 4 lower end of generator support is installed on bottom in shell 1
Left end, electromagnet 5 are installed on bottom right end in shell 1, and guiding shell 6 is in upper end right part in shell 1,6 lower end of guiding shell
There is a perforate in portion, and 8 lower part of mobile bar is located in the middle part of 6 lower end of guiding shell in perforate, and armature 7 is installed on 8 bottom of mobile bar, moves
Lever spring 9 is sleeved on 8 top of mobile bar, and spacing collar 10 is installed on 8 upper end of mobile bar, and 11 lower-left end of interlocking bar is installed on spacing collar
10 upper ends, speed-regulating switch 12 are installed on 6 inside upper right side of guiding shell, and 11 right end of interlocking bar is installed on the adjusting hand of speed-regulating switch 12
Handle left front end, frequency converter 13 are installed on bottom right end in shell 1, two DC power output ends output of dc generator 3
5 two power inputs of power supply and electromagnet are connected by conducting wire, and 12 3 supply terminals of speed-regulating switch are respectively and frequency converter
13 10 feet, 2 feet, 5 feet are connected by conducting wire, three ac power input ends of frequency converter 13 respectively with 380V AC powers three
End is by conducting wire connection, three ac power outputs of frequency converter 13 three phase alternating current motor three with maize sheller respectively
Ac power input end is connected by conducting wire.After shell 1 is installed on the rear end of maize sheller three phase alternating current motor housing, friction
Shaft is in close contact after the three phase alternating current motor of 2 outboard end of rubber wheel and maize sheller, when the three-phase alternating current of maize sheller
When motor rotates clockwise, the three phase alternating current motor shaft of maize sheller can drive friction rubber wheel 2 to rotate counterclockwise, friction
Rotor of the meeting of rubber wheel 2 with dynamotor 3 rotates counterclockwise.5 working power of electromagnet is DC power supply, electromagnet 5
Magnetic action power acts on armature 7.When armature 7 moves downward, armature 7 can drive mobile bar 8 along perforate in the middle part of 6 lower end of guiding shell
9 elastic acting force of shifting lever spring is overcome to move downward.When mobile bar 8 moves downward, mobile bar 8 can drive spacing collar 10 and connection
Lever 11 is moved downwardly together.When interlocking bar 11 moves downward, 11 right end of interlocking bar can drive the regulation handle of speed-regulating switch 12
Move down.Speed-regulating switch 12 is an adjustable resistance.13 model FR-D720-3.7K of frequency converter.In use, when corn takes off
Grain machine is powered, when not carrying out corn threshing, at this moment, since the three phase alternating current motor load of maize sheller is small, corn threshing
The shaft rotating speed of machine three phase alternating current motor can raise, due to the three-phase alternating current of 2 outboard end of friction rubber wheel and maize sheller
Machine shaft is in close contact, so, after the shaft rotating speed rise of the three phase alternating current motor of maize sheller, friction rubber wheel 2 can band
The rotor of dynamotor 3 is rotated counterclockwise with higher rotating speed, in this way, dc generator 3 can send the straight of high voltage
Galvanic electricity source；After the DC power supply of 3 power output end of dc generator output enters 5 power input of electromagnet, electromagnet 5 obtains electric
Work produces magnetic attraction, and armature 7 is attracted downwards, and armature 7 drives mobile bar 8, interlocking bar 11 to move downward, 11 band of interlocking bar
Dynamic 12 regulation handle of speed-regulating switch moves down, and 12 output terminal resistance value of speed-regulating switch becomes larger, and 13 power output end of frequency converter is defeated
Go out the AC power of lower frequency to the three phase alternating current motor power input of maize sheller, then, the three of maize sheller
Cross streams motor works in the power supply of lower frequency, and the three phase alternating current motor shaft rotating speed of maize sheller reduces, and reaches section
The purpose of energy；When maize sheller carries out corn threshing, the three phase alternating current motor load of maize sheller can increase, then,
The three phase alternating current motor shaft rotating speed of maize sheller can reduce, the DC power supply electricity of 3 power output end of dc generator output
Pressure can also reduce, in this way, the magnetic action power that electromagnet 5 acts on armature 7 reduces, elasticity of the mobile bar 8 in shifting lever spring 9
Moved upwards under active force, mobile bar 8 drives interlocking bar 11, the regulation handle of speed-regulating switch 12 to move upwardly together, and speed governing is opened
Close 12 output terminal resistance values to diminish, converter power supply output terminal exports the AC power of upper frequency to the three-phase of maize sheller
Alternating current generator power input, then, the three phase alternating current motor of maize sheller work in the power supply of upper frequency, and corn takes off
The three phase alternating current motor shaft rotating speed rise of grain machine, meets that the rotating speed when three phase alternating current motor load of maize sheller is big will
Ask.In actual use, when the direct current power source voltage that dc generator 3 is sent is high, the magnetic attraction bigger of the generation of electromagnet 5,
The distance that mobile bar 8 moves down after armature 7 is attracted downwards can be longer.
Shown in Fig. 2, RP is speed-regulating switch, and using adjustable resistance, resistance value is 4.7K.A is frequency converter, model FR-
D720-3.7K；R, S, T are three ac power input ends of frequency converter A, and U, V, W are three AC powers output of frequency converter A
End.M is the three phase alternating current motor of maize sheller.Tri- supply terminals of speed-regulating switch RP 10 feet with frequency converter A, 2 respectively
Foot, 5 feet are connected by conducting wire, and three ac power input ends of frequency converter A pass through conducting wire with three end of 380V AC powers respectively
Connection, three ac power outputs of frequency converter A are defeated with tri- AC powers of three phase alternating current motor M of maize sheller respectively
Enter end to connect by conducting wire.In use, when the regulation handle of speed-regulating switch RP moves up, the output of speed-regulating switch RP output terminals
Resistance value can reduce, then, the AC power of frequency converter A ac power output output upper frequency is to maize sheller
Three power inputs of three phase alternating current motor M, followed by, the three phase alternating current motor M of maize sheller can be in relatively high rotating speed
Lower operation.When the regulation handle of speed-regulating switch RP moves down, the resistance value of speed switch RP output terminals output can increase, in
It is that frequency converter A ac power output can export the AC power of lower frequency to the three phase alternating current motor M of maize sheller
Three power inputs, followed by, the three phase alternating current motor M of maize sheller can be run under relatively low rotating speed.
Claims (8)
1. the three phase alternating current motor intelligent frequency-conversion energy-saving control system that maize sheller uses, it is characterised in that：By shell, friction
Rubber wheel, dc generator, generator support, electromagnet, guiding shell, armature, mobile bar, shifting lever spring, spacing collar, linkage
Bar, speed-regulating switch and frequency converter are formed, and shell is installed on the rear end of maize sheller three phase alternating current motor housing, shell left-hand end
There is a perforate at middle part, and dc generator is small-sized 5V dc generators, and dc generator shaft left end is from shell left-hand end
Portion's perforate is outwards pierced by, and friction rubber wheel is installed in dc generator shaft left front end, and generator support upper end is installed on straight
Generator housing lower end is flowed, bottom left end, electromagnet install bottom, right inside the shell to the installation of generator support lower end inside the shell
End, there is a perforate at upper end right part, guiding shell lower end middle part inside the shell for guiding shell installation, and mobile bar lower part is located under guiding shell
In the middle part perforate of end, armature is installed on mobile bar bottom, and shifting lever spring is sleeved on mobile bar top, and spacing collar is installed on movement
Bar upper end, interlocking bar lower-left end are installed on spacing collar upper end, and speed-regulating switch is installed on upper right side inside guiding shell, interlocking bar right end
Installed in the regulation handle left front end of speed-regulating switch, bottom right end, two of dc generator are straight inside the shell for frequency converter installation
Two power inputs of power supply and electromagnet of galvanic electricity source output terminal output are connected by conducting wire, three power supply wirings of speed-regulating switch
End is connected with 10 feet, 2 feet, 5 feet of frequency converter by conducting wire respectively, and three ac power input ends of frequency converter are respectively and 380V
Three end of AC power is connected by conducting wire, three ac power outputs of frequency converter three-phase alternating current with maize sheller respectively
Three ac power input ends of motor are connected by conducting wire.
2. the three phase alternating current motor intelligent frequency-conversion energy-saving control system that maize sheller according to claim 1 uses, its
It is characterized in that：After shell is installed on the rear end of maize sheller three phase alternating current motor housing, friction rubber wheel outboard end and corn
Shaft is in close contact after the three phase alternating current motor of thresing machine, beautiful when the three phase alternating current motor of maize sheller rotates clockwise
The three phase alternating current motor shaft of rice thresing machine can drive friction rubber wheel to rotate counterclockwise, and friction rubber wheel can drive DC generation
The rotor of machine rotates counterclockwise.
3. the three phase alternating current motor intelligent frequency-conversion energy-saving control system that maize sheller according to claim 1 uses, its
It is characterized in that：Work of electromagnet power supply is DC power supply, and the magnetic action power of electromagnet acts on armature.
4. the three phase alternating current motor intelligent frequency-conversion energy-saving control system that maize sheller according to claim 1 uses, its
It is characterized in that：When armature moves downward, armature can drive mobile bar to overcome shifting lever spring bullet along perforate in the middle part of guiding shell lower end
Property active force moves downward.
5. the three phase alternating current motor intelligent frequency-conversion energy-saving control system that maize sheller according to claim 1 uses, its
It is characterized in that：When mobile bar moves downward, mobile bar can drive spacing collar and interlocking bar to move downwardly together.
6. the three phase alternating current motor intelligent frequency-conversion energy-saving control system that maize sheller according to claim 1 uses, its
It is characterized in that：When interlocking bar moves downward, interlocking bar right end can drive the regulation handle of speed-regulating switch to move down.
7. the three phase alternating current motor intelligent frequency-conversion energy-saving control system that maize sheller according to claim 1 uses, its
It is characterized in that：Speed-regulating switch is an adjustable resistance.
8. the three phase alternating current motor intelligent frequency-conversion energy-saving control system that maize sheller according to claim 1 uses, its
It is characterized in that：Frequency converter model FR-D720-3.7K.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720622471.5U CN207283452U (en) | 2017-06-01 | 2017-06-01 | The three phase alternating current motor intelligent frequency-conversion energy-saving control system that maize sheller uses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720622471.5U CN207283452U (en) | 2017-06-01 | 2017-06-01 | The three phase alternating current motor intelligent frequency-conversion energy-saving control system that maize sheller uses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207283452U true CN207283452U (en) | 2018-04-27 |
Family
ID=61992590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720622471.5U Expired - Fee Related CN207283452U (en) | 2017-06-01 | 2017-06-01 | The three phase alternating current motor intelligent frequency-conversion energy-saving control system that maize sheller uses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207283452U (en) |
-
2017
- 2017-06-01 CN CN201720622471.5U patent/CN207283452U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20180427 Termination date: 20180601 |