CN209709983U - A kind of motor speed regulating system - Google Patents
A kind of motor speed regulating system Download PDFInfo
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- CN209709983U CN209709983U CN201920594460.XU CN201920594460U CN209709983U CN 209709983 U CN209709983 U CN 209709983U CN 201920594460 U CN201920594460 U CN 201920594460U CN 209709983 U CN209709983 U CN 209709983U
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Abstract
A kind of motor speed regulating system, including power module, gating module, the first control module, the second control module and frequency-variable module.Power module provides ac signal, and gating module selects corresponding circuit to be connected according to the gating command of input；The first control module works when first circuit is connected, and the second control module works when second servo loop is connected；The work of first or second control module exports the first or second according to first or second frequency selection signal and controls signal, frequency-variable module controls signal by output loading voltage signal after ac signal making frequency adjustment, to adjust the slewing rate of motor according to the first or second.Above-mentioned motor speed regulating system, pass through the frequency values corresponding to the desired slewing rate of frequency-variable module inner setting motor, gating command and first or second frequency selection signal are inputted by user, select the frequency values of corresponding control mode and frequency converter, to achieve the effect that adjust the slewing rate of motor, easy to adjust, speed regulation accuracy is high.
Description
Technical field
The utility model belongs to electric machine speed regulation technical field more particularly to a kind of motor speed regulating system.
Background technique
In distribution technique, need accordingly to be adjusted according to speed of the different situations to motor, currently, traditional tune
There are two ways to saving motor speed: first is adjusted the speed by using potentiometer, and second is carried out using programmable controller
Speed regulation.However, potentiometer is the electricity by changing the resistance value of built-in swept resistance to adjust indirectly for first method
The speed of machine, therefore energy consumption is higher when work, degree of regulation is low；For second method, programmable controller is by that will count
Word signal is converted into being input to the simulation control amount terminal of frequency converter after electric signal, the frequency of control frequency converter output, to reach
To the effect adjusted the speed to motor, this method low and non-intuitive defect there are speed regulation accuracy.
Therefore, it there is a problem that energy consumption height and speed regulation accuracy are low in the technical solution of conventional motors speed regulation.
Utility model content
In view of this, the utility model embodiment provides a kind of motor speed regulating system, it is intended to solve electric machine speed regulation
Technical solution in there is a problem that energy consumption height and speed regulation accuracy are low.
The utility model embodiment provides a kind of motor speed regulating system, including breaker and connects with the breaker
The D.C mutual-inductor connect, further includes:
It is connect with the breaker, is configured to supply the power module of ac signal；
It is connect with the D.C mutual-inductor, is configured as selecting corresponding circuit to be connected according to the gating command of input
Gating module；
It connect, is configured as when the first circuit is connected, according to receiving the first of remote input with the gating module
First control module of frequency selection signal output first control signal；
It connect, is configured as when second servo loop is connected, according to receiving the second of local input with the gating module
Frequency selection signal accordingly exports the second control module of second control signal；And
It is connect with the D.C mutual-inductor, first control module and second control module, is configured as basis
The first control signal or the second control signal are adjusted rear output loading electricity to the frequency of the ac signal
Press signal to the motor, to adjust the frequency-variable module of the slewing rate of the motor.
Above-mentioned a kind of motor speed regulating system, by the desired slewing rate institute of frequency-variable module inner setting motor
Corresponding frequency values input gating command and the first frequency selection signal or the second frequency selection signal by user, select the first control mould
Block or the second control module control frequency-variable module, carry out frequency to control frequency-variable module to the ac signal of input
Adjustment, output loading voltage signal is to motor, to achieve the effect that the slewing rate for adjusting motor, the mistake that slewing rate is adjusted
Journey is convenient, intuitive, and degree of regulation is high.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of modular structure schematic diagram for motor speed regulating system that an embodiment of the present invention provides；
Fig. 2 is power module, gating module, the second control module and frequency conversion in motor speed regulating system shown in FIG. 1
The circuit diagram of module；
Fig. 3 is power module, gating module, the first control module and frequency conversion in motor speed regulating system shown in FIG. 1
The circuit diagram of module.
Specific embodiment
A kind of motor M speed adjustment system provided by the embodiment of the utility model is applicable to adjust the rotation of motor M
The distribution occasion of rate.
Referring to Fig. 1, a kind of modular structure of the motor M speed adjustment system provided for an embodiment of the present invention is shown
It is intended to, for ease of description, only the parts related to this embodiment are shown, and details are as follows:
The utility model embodiment provides a kind of motor M speed adjustment system, comprising:
Circuit breaker Q F, D.C mutual-inductor TA, power module 10, gating module 20, the first control module 30, second control mould
Block 40 and frequency-variable module 50.
Wherein, power module 10 is connect with the end of incoming cables of circuit breaker Q F, and the leading-out terminal of circuit breaker Q F connects D.C mutual-inductor
TA.Power module 10 is for providing ac signal.Specifically, ac signal is Three-phase alternating current signal.Power module 10
Including firewire AC and zero curve N.
Gating module 20 is connect with the leading-out terminal of D.C mutual-inductor TA, corresponding for being selected according to the gating command of input
Circuit is connected.Specifically, gating command is manually entered by user according to practical application scene, circuit include the first circuit and
Second servo loop.Specifically, the first circuit refers to the circuit that the first control module 30 is formed with frequency-variable module 50, and second servo loop refers to
The circuit that second control module 40 is formed with frequency-variable module 50.
First control module 30 is connect with gating module 20, is configured as when the first circuit is connected, remote according to receiving
First frequency selection signal of journey input exports first control signal.Specifically, user can the first frequency selection signal of remote input.
Second control module 40 is connect with gating module 20, is configured as when second servo loop is connected, according to receiving this
Second frequency selection signal of ground input accordingly exports second control signal.Specifically, the second frequency selection signal is manually entered by user.
Frequency-variable module 50 is connect with D.C mutual-inductor TA, the first control module 30 and the second control module 40, is configured as
Rear output loading voltage signal is adjusted extremely to the frequency of ac signal according to first control signal or second control signal
Motor M, to adjust the slewing rate of motor M.
A kind of above-mentioned motor M speed adjustment system passes through the speed of the rotation needed for 50 inner setting motor M of frequency-variable module
Frequency values corresponding to rate input gating command and the first frequency selection signal or the second frequency selection signal by user, select the first control
Molding block 30 or the second control module 40 control frequency-variable module 50, to control the alternating current of 50 pairs of frequency-variable module inputs
Signal making frequency adjustment, output loading voltage signal give motor M, to achieve the effect that the slewing rate for adjusting motor M, turn
The process of dynamic rate adaptation is convenient, intuitive, and degree of regulation is high.In addition, user can be selected according to actual needs through the first control
Module 30 or the second control module 40 control frequency-variable module 50, control mode diversification, so that adjusting turning for motor M
The process of dynamic rate is more convenient.
Referring to Fig. 2, being controlled for power module 10, gating module 20, second in motor M speed adjustment system shown in FIG. 1
The circuit diagram of molding block 40 and frequency-variable module 50, for ease of description, only the parts related to this embodiment are shown, in detail
It states as follows:
In an alternative embodiment, above-mentioned frequency-variable module 50 includes that frequency-variable module 50 includes relay unit and frequency converter
VF。
Wherein, relay unit has multiple input terminals and multiple output ends, with the first control module 30 and the second control mould
Block 40 connects, and is configured as when one of input terminal receives first control signal or second control signal, output control frequency
Signal.
Output end of the frequency converter VF by multiple controlled ends respectively with multiple relay units connects one to one, and is configured as
When controlled end receives control frequency signal, the frequency of ac signal is accordingly adjusted rear output loading voltage signal to electricity
Machine M.
Optionally, relay unit includes the first intermediate relay KA1, the second intermediate relay KA2, third intermediate relay
KA3, the 4th intermediate relay KA4, the 5th intermediate relay KA5, the 6th intermediate relay KA6 and the 7th intermediate relay
KA7。
First intermediate relay KA1 includes first coil and the first normally opened contact KA1-1, the second intermediate relay KA2 packet
The second coil and the second normally opened contact KA2-1 are included, third intermediate relay KA3 includes tertiary coil and third normally opened contact KA3-
1, the 4th intermediate relay KA4 include the 4th coil and the 4th normally opened contact KA4-1；5th intermediate relay KA5 includes the 5th
Coil, the 5th normally opened contact KA5-1 and the 6th normally opened contact KA5-2；6th intermediate relay KA6 includes the 6th coil, the 7th
Normally opened contact KA6-1 and the 8th normally opened contact KA6-2；7th intermediate relay KA7 includes the 7th coil, the 9th normally opened contact
KA7-1 and the tenth normally opened contact KA7-2；
The first end of first coil connects the first control module 30, and the second end of first coil connects zero curve N；First is normally opened
The first end of contact KA1-1 and the second end of the first normally opened contact KA1-1 are all connected with controlled end.
The first end of second coil connects the first control module 30, and the second end of the second coil connects zero curve N；Second is normally opened
The first end of contact KA2-1 and the second end of the second normally opened contact KA2-1 are all connected with controlled end.
The first end of tertiary coil connects the first control module 30, and the second end of tertiary coil connects zero curve N；Third is normally opened
The first end of contact KA3-1 and the second end of third normally opened contact KA3-1 are all connected with controlled end.
The first end of 4th coil connects the first control module 30, and the second end of the 4th coil connects zero curve N；4th is normally opened
The first end of contact KA4-1 and the second end of the 4th normally opened contact KA4-1 are all connected with controlled end.
The first end of 5th coil connects the first control module 30, and the second end of the 5th coil connects zero curve N；5th is normally opened
The first end of contact KA5-1 connects gating module 20, and the second end of the 5th normally opened contact KA5-1 connects the first of first coil
End, the first end of the 6th normally opened contact KA5-2 connect gating module 20, the second end connection second of the 6th normally opened contact KA5-2
The first end of coil.
The first end of 6th coil connects the first control module 30, and the second end of the 6th coil connects zero curve N；7th is normally opened
The first end connection gating module 20 of contact KA6-1, the first end of the second end connection first coil of the 7th normally opened contact, the 8th
The first end of normally opened contact KA6-2 connects gating module 20, and the of the second end connection tertiary coil of the 8th normally opened contact KA6-2
One end.
The first end of 7th coil connects the first control module 30, and the second end of the 7th coil connects zero curve N；9th is normally opened
The first end of contact KA7-1 connects gating module 20, and the second end of the 9th normally opened contact KA7-1 connects the first of tertiary coil
End, the first end of the tenth normally opened contact KA7-2 connect gating module 20, the second end connection the 4th of the tenth normally opened contact KA7-2
The first end of coil.
The first end of first coil, the first end of the second coil, the first end of tertiary coil, the first end of the 4th coil,
Input terminal of the first end of the first end of 5th coil, the first end of the 6th coil and the 7th coil as relay unit.
The second end of first normally opened contact KA1-1, the second end of the second normally opened contact KA2-1, third normally opened contact KA3-1
Second end and the 4th normally opened contact KA4-1 output end of the second end as relay unit.
Optionally, above-mentioned frequency converter VF includes the first controlled end X3, the second controlled end X4, third controlled end X5, the 4th
Controlled end X6, start end X1, common end CM, first input end R, the second input terminal S, third input terminal T, the first output end U,
Two output end V and third output end W.
First controlled end X3, the second controlled end X4, third controlled end X5 and the 4th controlled end X6 and relay unit it is defeated
Outlet connects one to one；Common end CM connection relay unit.
First input end R, the second input terminal S and third input terminal T access ac signal；First output end U, second
Output end V and third output end W are connect with motor M, are used for output loading voltage signal.
The start end X1 connection gating module 20.
Optionally, the second control module 40 is set to the outer surface of frequency converter VF, when gating module 20 gates second servo loop
When, the second control module 40 work, user inputs second by being arranged in the second control module 40 of the outer surface frequency converter VF
Frequency selection signal, to achieve the purpose that control frequency converter VF work.Since the second control module 40 is set to the outer of frequency converter VF
Surface, it is closer apart from frequency converter VF, therefore the mode for using the second control module 40 to be controlled passes through for " controlling on the spot "
Second frequency selection signal of local input accordingly exports the mode of second control signal；In contrast, set by the first control module 30
Farther out, user can input the first frequency selection signal in the first control module 30 to the positional distance frequency converter VF set, to realize to change
The control of frequency module 50, therefore this control mode is referred to as " long-range control ".It should be noted that control and long-range control on the spot
The two is in contrast, to have no absolute required distance.
Referring to Fig. 3, being controlled for power module 10, gating module 20, first in motor M speed adjustment system shown in FIG. 1
The circuit diagram of molding block 30 and frequency-variable module 50, for ease of description, only the parts related to this embodiment are shown, in detail
It states as follows:
In an alternative embodiment, above-mentioned gating module 20 includes switching switch SA, the first switch knob SF1, second
Switch knob SF2, the first opening button SS1, the second opening button SS2, the 8th intermediate relay KAj, the 9th intermediate relay
KAy, the first indicator light HR1, the second indicator light HR2 and third indicator light HR3.
Wherein, the 8th intermediate relay KAj includes the 8th coil, the 11st normally opened contact KAj-1 and the 12nd normally opened touching
Point KAj-2, the 9th intermediate relay KAy include the 9th coil, the 13rd normally opened contact KAy-1 and the 14th normally opened contact KAy-
2。
Switch switch SA, the first switch knob SF1, the second switch knob SF2, the first opening button SS1 and the second separating brake
Button SS2 is used to receive gating command；First indicator light HR1, the second indicator light HR2 and the 9th intermediate relay KAy's
Coil is connected in parallel with each other；The parallel connection of coil of third indicator light HR3 and the 8th intermediate relay KAj.
Switch the leading-out terminal of the first contact 1, third contact 3 and the 5th contact 5 connection the D.C mutual-inductor TA of switch SA,
For accessing the ac signal of the output of power module 10.
Switch the first end of the second opening button SS2 of the second contact 2 connection of switch SA, the of the second opening button SS2
Two ends connect the first end of the second switch knob SF2, and the second end of the second switch knob SF2 connects the first end of the 9th coil,
The second end of 9th coil connects zero curve N；The first end and second end of 13rd normally opened contact KAy-1 is separately connected the second combined floodgate
The first end and second end of button SF2, the 14th normally opened contact KAy-2 connection frequency-variable module 50.
Switch the first end of the first opening button SS1 of the 4th contact 4 connection of switch SA, the of the first opening button SS1
Two ends connect the first end of the first switch knob SF1, and the second end of the first switch knob SF1 connects the first end of the 8th coil,
The second end of 8th coil connects zero curve N；The first end and second end of 11st normally opened contact KAj-1 is separately connected the first combined floodgate
The first end and second end of button SF1；12nd normally opened contact KAj-2 connection frequency-variable module 50.
The 6th contact 6 for switching switch SA connects the first control module 30.
In an alternative embodiment, the first above-mentioned control module 30 is pressed including the first frequency-selecting button SHF1, the second frequency-selecting
Button SHF2, third frequency-selecting button SHF3, the 4th frequency-selecting button SHF4, the 5th frequency-selecting button SHF5, the 6th frequency-selecting button SHF6,
Seven frequency-selecting button SHF7.
Wherein, the first end of the first frequency-selecting button SHF1, the first end of the second frequency-selecting button SHF2, third frequency-selecting button
The first end of SHF3, the first end of the 4th frequency-selecting button SHF4, the first end of the 5th frequency-selecting button SHF5, the 6th frequency-selecting button
The first end of SHF6 and the first end of the 7th frequency-selecting button SHF7 connect gating module 20；
The second end of first frequency-selecting button SHF1, the second end of the second frequency-selecting button SHF2, third frequency-selecting button SHF3
Second end, the second end of the 4th frequency-selecting button SHF4, the second end of the 5th frequency-selecting button SHF5, the 6th frequency-selecting button SHF6
The second end of two ends and the 7th frequency-selecting button SHF7 connect frequency-variable module 50.
In an alternative embodiment, above-mentioned motor M speed adjustment system further includes alarm module 60, and alarm module 60 is used
In the work once electrified when frequency-variable module 50 breaks down, fault alarm signal is exported.
Optionally, above-mentioned alarm module 60 includes the tenth intermediate relay KA and fault alarm HA.
Wherein, the coil of fault alarm HA connection frequency-variable module 50, the tenth intermediate relay KA connects the frequency conversion mould
Block 50, the normally opened contact KA-1 connection backstage of the tenth intermediate relay KA, is used for transmission the fault alarm signal.
In an alternative embodiment, above-mentioned motor M speed adjustment system further includes fuse FU, intelligence instrument and urgent
Stop button SBE.
Wherein, fuse FU is connect with the leading-out terminal of D.C mutual-inductor TA, is configured as when the numerical value of ac signal is different
It fuses when often increasing, with the modules in protection system.
Intelligence instrument is connect with D.C mutual-inductor TA, is configured as detecting and showing voltage parameter, the electricity of ac signal
It flows any one or more in parameter and active power parameter.
Emergency stop button SBE is connect with fuse FU, is configured as the control cutting exchange when receiving stop signal
Electric signal, so that gating module 20,50 power loss of the first control module 30, the second control module 40 and frequency-variable module.
Specifically, when motor M occurs abnormal, for example, fuselage or bearing heating, revolving speed it is slow, smolder, be on fire, significantly shaking
Dynamic or axial transmission etc., user can be by being manually pressed by emergency stop button SBE, to cut off input AC electric signal, protection choosing
Logical module 20, the first control module 30, the second control module 40 and frequency-variable module 50.Emergency stop button SBE is normally closed presses
Button, after user presses emergency stop button SBE, emergency stop button SBE is converted to off-state from normally off.Work as motor
After M troubleshooting, user is allowed to revert to normally off from off-state by rotating emergency stop button SBE.
Below with reference to Fig. 2 and Fig. 3, to the working principle of motor M speed adjustment system provided by the embodiment of the utility model
It is described in detail:
Frequency converter VF is pre-seted before use: multistage slewing rate when first motor M being operated normally is scaled change
The multistage frequency values of frequency device VF, reduction formula are as follows:
Wherein, n is the slewing rate of motor M, and unit is rev/min (r/min)；F is the frequency of ac signal, and unit is conspicuous
Hereby (HZ)；P is the number of pole-pairs of motor M rotating excitation field, and P value can be read on the nameplate of motor M, in the technology of the utility model
In scheme, P value is 1.Optionally, the slewing rate of motor M is divided into 1200r/min, 1500r/min, 1800r/min, 2100r/
It totally 7 sections of min, 2400r/min, 2700r/min, 3000r/min, is acquired and the one-to-one frequency of above-mentioned slewing rate by calculating
Rate value is 20Hz, 25Hz, 30Hz, 35Hz, 40Hz, 45Hz, 50Hz totally 7 band frequency, this 7 segment frequency value is sequentially input frequency converter
It is stored in VF.
It should be noted that the number of segment of the slewing rate of above-mentioned motor M can be increased or decreased in actual application,
Can also increase or decrease the number of segment of the frequency values of frequency converter VF, the specific value of every section of slewing rate can according to actual needs and
Fixed, absolute limit is not (1200r/min, 1500r/min, 1800r/min, 2100r/min, 2400r/min, 2700r/
Min, 3000r/min), every segment frequency value can also relative changes according to actual needs, not absolute limit be (20Hz, 25Hz,
30Hz、35Hz、40Hz、45Hz、50Hz)。
When the start end X1 of frequency converter VF is connected to common end CM, frequency converter VF starting, motor M work；Frequency converter VF's
When first controlled end X3 is connected to common end CM, the frequency of frequency converter VF operation is 20Hz, and the slewing rate of motor M is 1200r/
min；When terminals the second controlled end X4 of frequency converter VF is connected to common end CM, the frequency values of frequency converter VF operation are 25Hz,
The slewing rate of motor M is 1500r/min；When the third controlled end X5 of frequency converter VF is connected to common end CM, frequency converter VF fortune
Line frequency value is 30Hz, and the slewing rate of motor M is 1800r/min；The 4th controlled end X6 and common end CM of frequency converter VF connects
When logical, the frequency values of frequency converter VF operation are 35Hz, the 2100r/min that the slewing rate of motor M is；The first of frequency converter VF by
When control end X3 and the second controlled end X4 is connected to common end CM simultaneously, the frequency values of frequency converter VF operation are 40Hz, and motor M's turns
Dynamic rate is 2400r/min；Terminals the first controlled end X3 and third controlled end X5 of frequency converter VF connects with common end CM simultaneously
When logical, the frequency values of frequency converter VF operation are 45Hz, and the slewing rate of motor M is 2700r/min；The third of frequency converter VF is controlled
When end X5 and the 4th controlled end X6 is connected to common end CM simultaneously, the frequency values of frequency converter VF operation are 50Hz, the rotation of motor M
Rate is 3000r/min.
Both ends of terminals A1, the B1 of frequency converter VF as the passive normally opened contact VF0 of output fault-signal, work as frequency converter
When VF breaks down, the passive normally opened contact VF0 of terminals A1, B1 conducting, i.e. frequency converter VF is closed, and fault alarm HA is lighted
And police whistle sound is issued, buzzer is set in fault alarm HA；At the same time, the coil of the tenth intermediate relay KA obtains electric closure,
Its normally opened contact KA-1 is attracted, and frequency converter VF earth fault alarm signal is transmitted to backstage.
Frequency converter VF further includes terminals+24V and terminals Y1, terminals+24V and terminals Y1 as output operation letter
Number active normally opened contact, when frequency converter VF operate normally when, terminals+24V and terminals Y1 conducting, intermediate relay KA0
Coil obtain electric actuation, the run signal of frequency converter VF is fed back to backstage by normally opened contact KA0-1 closure.
After close circuit breaker QF, the ac signal that power module 10 exports is inputted through circuit breaker Q F and D.C mutual-inductor TA
To the first input end R, the second input terminal S and third input terminal T of frequency converter VF, and gating module is input to through L21 wiring point
20, optionally, ac signal flows into switching switch SA's after L21 wiring point, fuse FU and emergency stop button SBE
First contact 1, third contact 3 and the 5th contact 5, to power to gating module 20.
Switching switch SA includes three gears, and respectively long-range gear keeps off on the spot and overhaul gear, when the first of switching switch SA
Contact 1 is connected to the second contact 2, and when the 5th contact 5 is connected to the 6th contact 6, and switching switch SA, which is in, remotely to be kept off；Work as switching
When the third contact 3 of switch SA is connected to the 4th contact 4, switching switch SA is in be kept off on the spot；When all touchings of switching switch SA
Between head when not being connected to, switching switch SA is in maintenance and keeps off, and 20 power loss of gating module, frequency converter VF can not start, motor M without
Method operation carries out upkeep operation for user.The switching switch SA can be extracted in maintenance gear, be avoided with key, key
Artificial maloperation when upkeep operation.
User inputs gating command by operation switching switch SA, i.e. user accordingly controls switching switch SA and is in long-range
Gear keeps off on the spot or overhauls gear, when needing to control by way of remotely controlling frequency converter VF work, input gating command with
The long-range gear of gating；When needing to control frequency converter VF work on the spot by way of controlling, gating command is inputted to gate on the spot
Gear.
In when keeping off on the spot, third contact 3 is connected to switching switch SA with the 4th contact 4, and user's manual closing first closes a floodgate
Button SF1, so that the 8th coil of the 8th intermediate relay KAj obtains electric, the 11st normally opened contact of the 8th intermediate relay KAj
KAj-1 and the 12nd normally opened contact KAj-2 is attracted, and third indicator light HR3 is bright, and gating module 20 gates second servo loop and second
The circuit that control module 40 and frequency-variable module 50 form.At this point, second be arranged on the outer surface frequency converter VF can be used in user
Open control module input the second frequency selection signal, with adjust frequency converter VF operation frequency values (20Hz, 25Hz, 30Hz, 35Hz,
40Hz,45Hz,50Hz).Specifically, the second control module 40 be one piece of operation panel, the operation panel by internal circuit with
Frequency converter VF is attached, the frequency values of control frequency converter VF operation.
When switching switch SA in long-range gear, the first contact 1 is connected to the second contact 2, the 5th contact 5 and the 6th contact 6
Connection, user's manual closing the second switch knob SF2 so that the 9th coil of the 9th intermediate relay KAy obtain it is electric, among the 9th
The 13rd normally opened contact KAy-1 of relay KAy and the 14th normally opened contact KAy-2 is attracted, and the first indicator light HR1 and second refers to
Show that lamp HR2 is bright, the start end X1 of frequency converter VF is connected to common end CM, frequency converter VF starting.At this point, ac signal is through mutual
5th contact 5 of connection and the 6th touch are input to the first control module 30, so that 30 work once electrified of the first control module.User
By inputting the first frequency selection signal in the first control module 30, to adjust the frequency values of frequency converter VF operation, specifically:
When motor M is needed with the operation of the slewing rate of 1200r/min, user presses the first frequency-selecting button SHF1, and first
The coil of intermediate relay KA1 obtains electric actuation, the first normally opened contact KA1-1 closure, frequency converter VF the first controlled end X3 and public affairs
End CM is connected altogether, and the running frequency value of control frequency converter VF is 20Hz.
When motor M is needed with the operation of the slewing rate of 1500r/min, user presses the second frequency-selecting button SHF2, and second
The coil of intermediate relay KA2 obtains electric actuation, the second normally opened contact KA2-1 closure, frequency converter VF the second controlled end X4 and public affairs
End CM is connected altogether, and the frequency values of control frequency converter VF operation are 25Hz.
When motor M needs the slewing rate operation with 1800r/min, user presses third frequency-selecting button SHF3, third
The coil of intermediate relay KA3 obtains electric actuation, third normally opened contact KA3-1 closure, frequency converter VF third controlled end X5 and public affairs
End CM is connected altogether, and the frequency values of control frequency converter VF operation are 30Hz.
When motor M is needed with the operation of the slewing rate of 2100r/min, user presses the 4th frequency-selecting button SHF4, and the 4th
The coil of intermediate relay KA4 obtains electric actuation, the 4th normally opened contact KA4-1 closure, the 4th controlled end X6 of frequency converter VF and public affairs
End CM is connected altogether, and the frequency values of control frequency converter VF operation are 35Hz.
When motor M is needed with the operation of the slewing rate of 2400r/min, user presses the 5th frequency-selecting button SHF5, and the 5th
The coil of intermediate relay KA5 obtains electric actuation, and the 5th normally opened contact KA5-1 and the 6th normally opened contact KA5-2 are closed, in first
Between the coil of relay KA1 and the second intermediate relay KA2 electric actuation, the first normally opened contact KA1-1 and second are normally opened
Contact KA2-1 closure, frequency converter VF the first controlled end of terminal X3, the second controlled end X4 are connected with common end CM, control frequency conversion
The frequency values of device VF operation are 40Hz.
When motor M is needed with the operation of the slewing rate of 2700r/min, user presses the 6th frequency-selecting button SHF6, and the 6th
The coil of intermediate relay KA6 obtains electric actuation, and normally opened contact the 7th normally opened contact KA6-1 and the 8th normally opened contact KA6-2 is closed
Close, the coil of the first intermediate relay KA1 and third intermediate relay KA3 electric actuation, the first normally opened contact KA1-1 with
Third normally opened contact KA3-1 closure, the first controlled end X3 and third controlled end X5 of frequency converter VF are connected with common end CM, control
The frequency values of frequency converter VF operation operation processed are 45Hz.
When motor M is needed with the operation of the slewing rate of 3000r/min, user presses the 7th frequency-selecting button SHF7, in the 7th
Between the coil of relay KA7 obtain electric actuation, the 9th normally opened contact KA7-1 and the tenth normally opened contact KA7-2 closure, among third
The coil of relay KA3 and the 4th intermediate relay KA4 electric actuation, third normally opened contact KA3-1 and the 4th normally opened touching
Point KA4-1 closure, frequency converter VF third controlled end X5 and the 4th controlled end X6 are connected with common end CM, control frequency converter VF fortune
Capable frequency values are 50Hz.
In an alternative embodiment, above-mentioned emergency stop button SBE, the second opening button SS2, the second switch knob
SF2, the first frequency-selecting button SHF1, the second frequency-selecting button SHF2, third frequency-selecting button SHF3, the 4th frequency-selecting button SHF4, the 5th
Frequency-selecting button SHF5, the 6th frequency-selecting button SHF6, the 7th frequency-selecting button SHF7, the second indicator light HR2 are installed in the same behaviour
Make in case.
As soon as the motor M speed adjustment system that the embodiments of the present invention provide can be cancelled in alternative embodiment
The mode of ground control, only retains the mode remotely controlled.
Above-mentioned a kind of motor speed regulating system, by the desired slewing rate institute of frequency-variable module inner setting motor
Corresponding frequency values input gating command and the first frequency selection signal or the second frequency selection signal by user, select the first control mould
Block or the second control module control frequency-variable module, carry out frequency to control frequency-variable module to the ac signal of input
Adjustment, output loading voltage signal is to motor, to achieve the effect that the slewing rate for adjusting motor, the mistake that slewing rate is adjusted
Journey is convenient, intuitive, and degree of regulation is high.In addition, user can be selected according to actual needs through the first control module 30 or second
Control module 40 controls frequency-variable module, control mode diversification, so that the process for adjusting the slewing rate of motor is more square
Just.
Herein to various systems and describing various embodiments.Many specific details are elaborated to provide to such as existing
Described in specification and the thorough understanding of the general construction, function, manufacture and use of embodiment that is shown in the accompanying drawings.However
It will be understood by those skilled in the art that embodiment can be carried out in the case where not such specific detail.Other
In example, well known operation, component and element is described in detail, in order to avoid make embodiment indigestion in the description.This
It is in field the skilled person will understand that, herein and shown in embodiment be non-limited example, and therefore it can be appreciated that, In
Specific structure and function details disclosed herein can be range that is representative and might not limiting embodiment.
Although describing certain embodiments above with some the level of detail, those of skill in the art can be to institute
Disclosed embodiment makes many changes without departing from the scope of the present disclosure.Connection is with reference to (for example, attachment, coupling, connection
Deng) should be widely interpreted, and may include the intermediate member between the connection of element and relative motion between elements.Cause
This, connection reference does not necessarily imply that two elements are directly connected to/couple and are in fixed relationship each other." such as " entire
Use in specification should be widely interpreted and for providing the non-limitative example of embodiment of the present disclosure, and the disclosure
It is not limited to such example.Being intended that all affairs for including in the foregoing description or be shown in the accompanying drawings should be interpreted only
It is illustrative rather than restrictive.The variation in details or structure can be made without departing from the disclosure.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each function
Can unit, module division progress for example, in practical application, can according to need and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of described device is divided into different functional unit or module, more than completing
The all or part of function of description.Each functional unit in embodiment, module can integrate in one processing unit, can also
To be that each unit physically exists alone, can also be integrated in one unit with two or more units, it is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.In addition, each function list
Member, the specific name of module are also only for convenience of distinguishing each other, the protection scope being not intended to limit this application.Above system
The specific work process of middle unit, module, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the utility model can integrate in one processing unit,
It can be each unit to physically exist alone, can also be integrated in one unit with two or more units.It is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (10)
1. a kind of motor speed regulating system, including breaker and the D.C mutual-inductor connecting with the breaker, feature exists
In, comprising:
It is connect with the breaker, is configured to supply the power module of ac signal；
It is connect with the D.C mutual-inductor, is configured as the choosing for selecting corresponding circuit to be connected according to the gating command of input
Logical module；
It connect, is configured as when the first circuit is connected, according to the first frequency-selecting for receiving remote input with the gating module
First control module of signal output first control signal；
It connect, is configured as when second servo loop is connected, according to the second frequency-selecting for receiving local input with the gating module
Signal accordingly exports the second control module of second control signal；And
It connect, is configured as according to the D.C mutual-inductor, first control module and second control module
First control signal or the second control signal are adjusted rear output loading voltage to the frequency of the ac signal and believe
Number to the motor, to adjust the frequency-variable module of the slewing rate of the motor.
2. motor speed regulating system as described in claim 1, which is characterized in that the frequency-variable module includes:
Have multiple input terminals and multiple output ends, connect, matched with first control module and second control module
It is set to when one of them input terminal receives the first control signal or the second control signal, output control frequency is believed
Number relay unit；
It is connected one to one respectively with multiple output ends by multiple controlled ends, is configured as receiving when the controlled end
When the control frequency signal, the frequency conversion of the load voltage signal is exported after being accordingly adjusted the frequency of the ac signal
Device.
3. motor speed regulating system as claimed in claim 2, which is characterized in that the relay unit includes:
First intermediate relay, the second intermediate relay, third intermediate relay, the 4th intermediate relay, the 5th intermediate relay
Device, the 6th intermediate relay and the 7th intermediate relay；
First intermediate relay includes first coil and the first normally opened contact, and second intermediate relay includes the second line
Circle and the second normally opened contact, the third intermediate relay include tertiary coil and third normally opened contact, among the described 4th after
Electric appliance includes the 4th coil and the 4th normally opened contact；5th intermediate relay include the 5th coil, the 5th normally opened contact and
6th normally opened contact；6th intermediate relay includes the 6th coil, the 7th normally opened contact and the 8th normally opened contact；Described
Seven intermediate relays include the 7th coil, the 9th normally opened contact and the tenth normally opened contact；
The first end of the first coil connects first control module, and the second end of the first coil connects zero curve；Institute
The second end of the first end and first normally opened contact of stating the first normally opened contact is all connected with the controlled end；
The first end of second coil connects first control module, the second end connection described zero of second coil
Line；The first end of second normally opened contact and the second end of second normally opened contact are all connected with the controlled end；
The first end of the tertiary coil connects first control module, the second end connection described zero of the tertiary coil
Line；The first end of the third normally opened contact and the second end of the third normally opened contact are all connected with the controlled end；
The first end of 4th coil connects first control module, the second end connection described zero of the 4th coil
Line；The first end of 4th normally opened contact and the second end of the 4th normally opened contact are all connected with the controlled end；
The first end of 5th coil connects first control module, the second end connection described zero of the 5th coil
Line；The first end of 5th normally opened contact connects the gating module, described in the second end connection of the 5th normally opened contact
The first end of the first end of first coil, the 6th normally opened contact connects the gating module, the 6th normally opened contact
Second end connects the first end of second coil；
The first end of 6th coil connects first control module, the second end connection described zero of the 6th coil
Line；The first end of 7th normally opened contact connects the gating module, the second end connection of seven normally opened contact described the
The first end of one coil, the first end of the 8th normally opened contact connect the gating module, and the of the 8th normally opened contact
Two ends connect the first end of the tertiary coil；
The first end of 7th coil connects first control module, the second end connection described zero of the 7th coil
Line；The first end of 9th normally opened contact connects the gating module, described in the second end connection of the 9th normally opened contact
The first end of the first end of tertiary coil, the tenth normally opened contact connects the gating module, the tenth normally opened contact
Second end connects the first end of the 4th coil；
The first end of the first coil, the first end of second coil, the first end of the tertiary coil, the 4th line
The first end of circle, the first end of the 5th coil, the first end of the 6th coil and the first end of the 7th coil
Input terminal as the relay unit；
The second end of first normally opened contact, the second end of second normally opened contact, the third normally opened contact second
Output end of the second end of end and the 4th normally opened contact as the relay unit.
4. motor speed regulating system as claimed in claim 2, which is characterized in that the frequency converter includes:
First controlled end, the second controlled end, third controlled end, the 4th controlled end, start end, common end, first input end, second
Input terminal, third input terminal, the first output end, second output terminal and third output end；
First controlled end, second controlled end, the third controlled end and the 4th controlled end and the relaying
The output end of unit connects one to one；The common end connects the relay unit；
The first input end, second input terminal and the third input terminal access the ac signal；Described
One output end, the second output terminal and the third output end are connect with the motor, for exporting the load voltage
Signal；
The start end connects the gating module.
5. motor speed regulating system as described in claim 1, which is characterized in that the gating module includes:
Switch switch, the first switch knob, the second switch knob, the first opening button, the second opening button, the 8th intermediate relay
Device, the 9th intermediate relay, the first indicator light, the second indicator light and third indicator light；
8th intermediate relay includes the 8th coil, the 11st normally opened contact and the 12nd normally opened contact, in the described 9th
Between relay include the 9th coil, the 13rd normally opened contact and the 14th normally opened contact；
The switching switch, first switch knob, second switch knob, the first opening button and second separating brake
Button is used to receive the gating command；First indicator light, second indicator light and the 9th intermediate relay
The coil of device is connected in parallel with each other；The parallel connection of coil of the third indicator light and the 8th intermediate relay；
The first contact, third contact and the 5th contact of the switching switch connect the D.C mutual-inductor；
The first end for switching the second contact switched and connecting second opening button, the second of second opening button
End connects the first end of second switch knob, and the second end of second switch knob connects the first of the 9th coil
The second end at end, the 9th coil connects zero curve；The first end and second end of 13rd normally opened contact is separately connected institute
The first end and second end of the second switch knob is stated, the 14th normally opened contact connects the frequency-variable module；
The first end for switching the 4th contact switched and connecting first opening button, the second of first opening button
End connects the first end of first switch knob, and the second end of first switch knob connects the first of the 8th coil
The second end at end, the 8th coil connects the zero curve；The first end and second end of 11st normally opened contact connects respectively
Connect the first end and second end of first switch knob；12nd normally opened contact connects the frequency-variable module；
6th contact of the switching switch connects first control module.
6. motor speed regulating system as described in claim 1, which is characterized in that first control module includes:
First frequency-selecting button, the second frequency-selecting button, third frequency-selecting button, the 4th frequency-selecting button, the 5th frequency-selecting button, the 6th frequency-selecting
Button, the 7th frequency-selecting button；
The first end of the first frequency-selecting button, the first end of the second frequency-selecting button, the third frequency-selecting button first
End, the first end of the 4th frequency-selecting button, the first end of the 5th frequency-selecting button, the first end of the 6th frequency-selecting button
And the first end of the 7th frequency-selecting button connects the gating module；
The second end of the first frequency-selecting button, the second end of the second frequency-selecting button, the third frequency-selecting button second
End, the second end of the 4th frequency-selecting button, the second end of the 5th frequency-selecting button, the second end of the 6th frequency-selecting button
And the second end of the 7th frequency-selecting button connects the frequency-variable module.
7. motor speed regulating system as described in claim 1, which is characterized in that further include:
It is connect with the frequency-variable module, for the work once electrified when the frequency-variable module breaks down, exports fault alarm signal
Alarm module.
8. motor speed regulating system as claimed in claim 7, which is characterized in that the alarm module includes:
Tenth intermediate relay and fault alarm；
The fault alarm connects the frequency-variable module, and the coil of the tenth intermediate relay connects the frequency-variable module,
The normally opened contact of tenth intermediate relay connects backstage, is used for transmission the fault alarm signal.
9. motor speed regulating system as claimed in claim 2, which is characterized in that second control module is set to described
The outer surface of frequency converter.
10. motor speed regulating system as described in claim 1, which is characterized in that further include:
It is connect with the D.C mutual-inductor, is configured as the fusing to fuse when the numerical exception of the ac signal increases
Device；
It is connect with the D.C mutual-inductor, is configured as detecting and showing voltage parameter, the current parameters of the ac signal
With any one or more intelligence instrument in active power parameter；And
It is connect with the fuse, is configured as the control when receiving stop signal and cuts off the ac signal, so that institute
State the emergent stopping of gating module, first control module, second control module and the frequency-variable module power loss by
Button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920594460.XU CN209709983U (en) | 2019-04-26 | 2019-04-26 | A kind of motor speed regulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920594460.XU CN209709983U (en) | 2019-04-26 | 2019-04-26 | A kind of motor speed regulating system |
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| Publication Number | Publication Date |
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| CN209709983U true CN209709983U (en) | 2019-11-29 |
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| CN201920594460.XU Active CN209709983U (en) | 2019-04-26 | 2019-04-26 | A kind of motor speed regulating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110048661A (en) * | 2019-04-26 | 2019-07-23 | 泰豪科技股份有限公司 | A kind of motor speed regulating system |
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2019
- 2019-04-26 CN CN201920594460.XU patent/CN209709983U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110048661A (en) * | 2019-04-26 | 2019-07-23 | 泰豪科技股份有限公司 | A kind of motor speed regulating system |
| CN110048661B (en) * | 2019-04-26 | 2024-09-13 | 泰豪科技股份有限公司 | Motor rotation speed regulating system |
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Effective date of registration: 20231109 Address after: Building 1, 202-2E, China Merchants Lingxi Jiayuan, No. 126 Zimao East Street, Nanshan Street, Qianhai Shenzhen Hong Kong Cooperation Zone, Shenzhen City, Guangdong Province, 518000 Patentee after: Zhigaogao Intellectual Property Group Co.,Ltd. Address before: 330000 Tsinghua Taihao Building, Nanchang High-tech Development Zone, Jiangxi Province Patentee before: TELLHOW SCI-TECH Co.,Ltd. |