CN205673159U - A kind of energy-saving and cost-reducing electromagnetic oscillation device - Google Patents
A kind of energy-saving and cost-reducing electromagnetic oscillation device Download PDFInfo
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- CN205673159U CN205673159U CN201620610111.9U CN201620610111U CN205673159U CN 205673159 U CN205673159 U CN 205673159U CN 201620610111 U CN201620610111 U CN 201620610111U CN 205673159 U CN205673159 U CN 205673159U
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- inverter
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- electromagnetic vibrator
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Abstract
This utility model relates to a kind of energy-saving and cost-reducing electromagnetic oscillation device, belongs to electromagnetic vibrator technical field.Technical scheme is: alternating current power supply (1) connects commutator (2), and commutator (2) output connects inverter (3), and inverter (3) output connects electromagnetic vibrator (6), and electromagnetic vibrator (6) connects mechanical load (7)；Mechanical load (7) is provided with vibrating sensor (8), and vibrating sensor (8) connects signal processor (5), is provided with current sensor (9) between inverter (3) and electromagnetic vibrator (6), and current sensor (9) connects signal processor (5)；The output of signal processor (5) connects the control end of inverter (3) by impulsive quarantine amplifier (4).This utility model good effect: adjust switching dead time according to load factor, especially can save electric energy loss during light load；Reduce electromagnetic noise.This utility model is implemented simple, it is easy to promote.
Description
Technical field
This utility model relates to a kind of energy-saving and cost-reducing electromagnetic oscillation device, belongs to electromagnetic vibrator technical field.
Background technology
Electromagnetic vibrator is because of material parabolically skip-forwards propelling in vibratory equipment hopper, hardly on hopper surface
Slide, can prevent viscous material from blocking at discharging opening, it is ensured that material energy uniformly continuous ground flows out, and flow trace tune can be realized
Joint, therefore electromagnetic vibrator is as exciting source, is widely used in the fields such as chemical industry, building materials, mineral products, such as: electric and magnetic oscillation is given
Material machine, vibrosieve, vibration platen and bulkhead vibration etc..Along with the development of Power Electronic Technique, inverter extensively instead of biography
System by AC rectification, improve the usefulness of equipment, but caused following point simultaneously: 1) consumed energy own, increase whole
The electric energy loss of individual equipment, especially when zero load or underloading, the efficiency of equipment is too low；2) near the switching frequency multiple of device
Harmonic wave peak is relatively big, produces additional coloured electromagnetic noise, and electromagnetic noise is in the sensitive frequency scope of human ear, makes people
Audition suffer damage.
Utility model content
This utility model purpose is to provide a kind of energy-saving and cost-reducing electromagnetic oscillation device, shortens power-on time, reduces switch
Number of times, saves energy, reduces electromagnetic noise, it is easy to promote, solves the problems referred to above present in background technology.
The technical solution of the utility model is:
A kind of energy-saving and cost-reducing electromagnetic oscillation device, comprise alternating current power supply, commutator, inverter, impulsive quarantine amplifier,
Signal processor (DSP), electromagnetic vibrator, mechanical load, vibrating sensor and current sensor, alternating current power supply connects rectification
Device, commutator output connects inverter, and inverter output connects electromagnetic vibrator, and electromagnetic vibrator connects mechanical load；Machinery
Load is provided with vibrating sensor, and vibrating sensor connects signal processor, is provided with electric current between inverter and electromagnetic vibrator
Sensor, current sensor connects signal processor；The output of signal processor connects inverter by impulsive quarantine amplifier
Control end.
Described signal processor (DSP) connects host computer.
Using this utility model, alternating current power supply, after commutator and inverter, provides power supply, electromagnetism for electromagnetic vibrator
Vibrator drives mechanical load vibration；Vibration signal is sent into signal processor by the vibrating sensor on mechanical load, and electric current passes
The current signal that inverter is exported by sensor sends into signal processor, and signal processor compares process to above-mentioned information, logical
Extra pulse isolated amplifier output pulse signal is to the control end of inverter, when adjusting the dead band delay of inverter switch element
Between, ensureing on the basis of vibrating effect so that switch element obtains maximum dead band time delay, realizes energy-conservation, reduces meanwhile
The caloric value of electromagnetic vibrator, improves service life, reduces the electromagnetic noise that inverter output harmonic wave causes.Electromagnetic noise is come
The electromagnetic force coming from electric and magnetic oscillation generation excites, and is concentrated mainly on the harmonic wave peak near switching frequency multiple (main 1-4 times)
And produce coloured noise, by improving the natural frequency of mechanical load, noise radiation can be reduced.
Alternating current power supply in this utility model, commutator, inverter, impulsive quarantine amplifier, signal processor (DSP),
Electromagnetic vibrator, mechanical load, vibrating sensor and current sensor are all known in the art public technology contents.
This utility model good effect: adjust switching dead time according to load factor, especially can save when gently loading
Electric energy loss；Reduce electromagnetic noise.This utility model is implemented simple, it is easy to promote.
Accompanying drawing explanation
Fig. 1 is this utility model example structure schematic diagram；
In figure: alternating current power supply 1, commutator 2, inverter 3, impulsive quarantine amplifier 4, signal processor (DSP) 5, electromagnetism
Vibrator 6, mechanical load 7, vibrating sensor 8, current sensor 9, host computer 10.
Detailed description of the invention
Below in conjunction with the accompanying drawings, by embodiment, this utility model is described further.
A kind of energy-saving and cost-reducing electromagnetic oscillation device, comprises alternating current power supply 1, commutator 2, inverter 3, impulsive quarantine amplification
Device 4, signal processor (DSP) 5, electromagnetic vibrator 6, mechanical load 7, vibrating sensor 8 and current sensor 9, alternating current power supply 1
Connecting commutator 2, commutator 2 output connects inverter 3, and inverter 3 output connects electromagnetic vibrator 6, and electromagnetic vibrator 6 connects
Mechanical load 7；Mechanical load 7 is provided with vibrating sensor 8, and vibrating sensor 8 connects signal processor 5, inverter 3 and electromagnetism
Being provided with current sensor 9 between vibrator 6, current sensor 9 connects signal processor 5；Arteries and veins is passed through in the output of signal processor 5
Rush isolated amplifier 4 and connect the control end of inverter 3.
Described signal processor (DSP) 5 connects host computer 10.
Using this utility model, alternating current power supply 1, after commutator 2 and inverter 3, provides power supply for electromagnetic vibrator 6,
Electromagnetic vibrator 6 drives mechanical load 7 to vibrate；Vibration signal is sent into signal processor by the vibrating sensor 8 on mechanical load 7
5, the current signal that inverter 3 is exported by current sensor 9 sends into signal processor 5, and above-mentioned information is carried out by signal processor 5
Comparison process, by the control end of impulsive quarantine amplifier 4 output pulse signal to inverter 3, adjusts inverter switch element
Dead band time delay, ensureing on the basis of vibrating effect so that switch element obtains maximum dead band time delay, realizes joint
Can, meanwhile, reducing the caloric value of electromagnetic vibrator, improve service life, the electromagnetism that minimizing inverter output harmonic wave causes is made an uproar
Sound.Electromagnetic noise derives from the electromagnetic force of electric and magnetic oscillation generation and excites, and is concentrated mainly on switching frequency multiple (main 1-4 times) attached
Near harmonic wave peak and produce coloured noise, by improve mechanical load natural frequency, noise radiation can be reduced.
This utility model, according to the load factor in detection cycle, adjusts the Dead Time of switching device, i.e. load light,
(turn-off time is short) increases Dead Time, and overall realization is shortened power-on time, reduced on-off times, saves electric energy during light load
Loss.
This utility model reduces electromagnetic noise, and background technology method is random frequency PWM method, does not improve the pole of device
Under limit frequency condition, (power of noise is whole to make electromagnetic noise be approximately band-limited white noise by random change switching frequency
It is uniformly distributed on frequency axis), although total decibels of noise is unchanged, but the colored noise being characterized with fixed switching frequency
Intensity weakens significantly.At present, the realization of domestic and international hot research randomized switching frequency modulation, no unified standard, experimentation cost is big,
Can not effectively transplant.This patent is for concrete occasion mechanical load, and signal processor 5 stores the triangle in modulation period in advance and carries
Ripple is as sample, according to vibrating sensor 8 and current sensor 9 signal, the load of the triangular carrier sample that prestores of cycle detection
The conditional parameters such as electric current compare, and obtain triangle carrier signal instantly, it is achieved PWM controls.There is enforcement simple, it is easy to promote
Feature.
Claims (2)
1. an energy-saving and cost-reducing electromagnetic oscillation device, it is characterised in that: comprise alternating current power supply (1), commutator (2), inverter
(3), impulsive quarantine amplifier (4), signal processor (5), electromagnetic vibrator (6), mechanical load (7), vibrating sensor (8) and
Current sensor (9), alternating current power supply (1) connects commutator (2), and commutator (2) output connects inverter (3), and inverter (3) is defeated
Going out to connect electromagnetic vibrator (6), electromagnetic vibrator (6) connects mechanical load (7)；Mechanical load (7) is provided with vibrating sensor
(8), vibrating sensor (8) connects signal processor (5), is provided with current sensor between inverter (3) and electromagnetic vibrator (6)
(9), current sensor (9) connects signal processor (5)；The output of signal processor (5) is by impulsive quarantine amplifier (4) even
Connect the control end of inverter (3).
A kind of energy-saving and cost-reducing electromagnetic oscillation device the most according to claim 1, it is characterised in that: described signal processor
(5) host computer (10) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620610111.9U CN205673159U (en) | 2016-06-21 | 2016-06-21 | A kind of energy-saving and cost-reducing electromagnetic oscillation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620610111.9U CN205673159U (en) | 2016-06-21 | 2016-06-21 | A kind of energy-saving and cost-reducing electromagnetic oscillation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205673159U true CN205673159U (en) | 2016-11-09 |
Family
ID=57431246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620610111.9U Expired - Fee Related CN205673159U (en) | 2016-06-21 | 2016-06-21 | A kind of energy-saving and cost-reducing electromagnetic oscillation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205673159U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108962679A (en) * | 2018-07-06 | 2018-12-07 | 福州大学 | A kind of electromagnetic switch high frequency keeps noise device for self-correcting control and method |
| CN109616377A (en) * | 2018-12-06 | 2019-04-12 | 福州大学 | A kind of large capacity contactor parallel wound coil electromagnetic mechanism control system and its control method |
-
2016
- 2016-06-21 CN CN201620610111.9U patent/CN205673159U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108962679A (en) * | 2018-07-06 | 2018-12-07 | 福州大学 | A kind of electromagnetic switch high frequency keeps noise device for self-correcting control and method |
| CN108962679B (en) * | 2018-07-06 | 2020-05-08 | 福州大学 | Electromagnetic switch high-frequency holding noise self-correction control device and method |
| CN109616377A (en) * | 2018-12-06 | 2019-04-12 | 福州大学 | A kind of large capacity contactor parallel wound coil electromagnetic mechanism control system and its control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20161109 Termination date: 20170621 |