CN209329995U - Energy saver is presented in chopping regulating speed - Google Patents
Energy saver is presented in chopping regulating speed Download PDFInfo
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- CN209329995U CN209329995U CN201920403986.5U CN201920403986U CN209329995U CN 209329995 U CN209329995 U CN 209329995U CN 201920403986 U CN201920403986 U CN 201920403986U CN 209329995 U CN209329995 U CN 209329995U
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Abstract
Feedback energy saver belongs to mechanical & electrical technology apparatus field in the chopping regulating speed of the utility model, it is to connect the output end of the power switch with double winding inner-feeding motor stator winding, double winding inner-feeding motor rotor windings are connect with A.C. contactor I and A.C. contactor II respectively, A.C. contactor I is connect with water resistance, the connection with feedback device in A.C. contactor III and rotor chopping speed regulating inversion respectively of A.C. contactor II, connecting with A.C. contactor IV for device, the connection with fuse of A.C. contactor IV are presented in rotor chopping speed regulating inversion.The present apparatus provides a kind of no speed-regulating switch, the motor without revolving speed gradient, its motor stator winding connects high-voltage fence, feedback device adjusts rotor loop voltage in chopping regulating speed and inversion, to change rotor loop electric current, reach control rotor speed regulation purpose, slip power is fed back into power grid by motor internal feedback winding, the electric energy that stator winding is drawn from power grid is reduced, reaches the energy-efficient purpose of stepless speed control.
Description
Technical field
The utility model belongs to motor device field, in particular to energy saver is presented in a kind of chopping regulating speed.
Background technique
In the prior art, winding motors energy-saving speed regulating is there are two types of method, and one is with multiple contactors or switch, switching
The resistance value size of the quick resistance of the concatenated frequency of coiling motor rotor winding tail end or water resistance is completed, and the above method has a large amount of electric energy
It is wasted on frequency sensitive trheostat or water resistance, and adjusting the speed is also to have grade, it cannot stepless stepless speed control；Second is to make electricity
On source plus frequency converter timing is energy saving, but due to supply voltage height, manufactures the power electronic devices pressure resistance problem such as IGBT of frequency converter,
It needs to connect multiple, in addition also to increase outer feed, huge power transformer, cost increase, reliability decrease, therefore market
It is unwelcome.
Summary of the invention
The utility model is intended to overcome the deficiencies in the prior art, and provides a kind of at low cost, high reliablity, can be smooth
Energy saver is presented in the chopping regulating speed of speed regulation.
Energy saver is presented in the chopping regulating speed of the utility model, is by power switch, double winding inner-feeding motor, exchange
Contactor I, A.C. contactor II, A.C. contactor III, A.C. contactor IV and fuse are constituted, the output of the power switch
End connect with double winding inner-feeding motor stator winding, double winding inner-feeding motor rotor windings respectively with A.C. contactor
I input terminal is connected with II input terminal of A.C. contactor, and the output end of A.C. contactor I is connect with water resistance, A.C. contactor II
Output end respectively in III input terminal of A.C. contactor and rotor chopping speed regulating inversion present device input terminal connect, rotor is cut
The output end of feedback device is connect with IV input terminal of A.C. contactor in wave speed regulating and inverting, the output end of A.C. contactor IV and fusing
The input terminal of device connects, and the output end of fuse is connect with double winding inner-feeding motor feedback winding.
The power switch is high-pressure vacuum switch as a further improvement of the utility model,.
The double winding inner-feeding motor is electronic by double winding internal feedback as a further improvement of the utility model,
Common group of the feedback winding of the stator winding of machine, the rotor windings of double winding inner-feeding motor and double winding inner-feeding motor
It closes and constitutes.
Feedback device is by IGBT and controllable in the rotor chopping speed regulating inversion as a further improvement of the utility model,
The combination of silicon gas part is constituted.
The A.C. contactor I, A.C. contactor II, A.C. contactor as a further improvement of the utility model,
III and A.C. contactor IV be vacuum A. C. contactor.
The fuse is replaced by fastp-acting fuse as a further improvement of the utility model,.
Energy saver is presented in the chopping regulating speed of the utility model, provides a kind of no speed-regulating switch, the electricity without revolving speed gradient
Motivation, motor stator winding connect high-voltage fence, and feedback device adjusts rotor loop voltage in chopping regulating speed and inversion, to change
Become rotor loop electric current, reach control rotor speed regulation purpose, slip power is fed back to by power grid by motor internal feedback winding,
The electric energy that stator winding is drawn from power grid is reduced, the energy-efficient purpose of stepless speed control is reached.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of feedback energy saver in the utility model chopping regulating speed.
Specific embodiment
Feedback energy saver in the chopping regulating speed of the utility model is described further with reference to the accompanying drawing:
It is by power switch 1, double winding internal feedback as shown in Figure 1, presenting energy saver in the chopping regulating speed of the utility model
Motor 12, A.C. contactor I 5, water resistance 6, A.C. contactor II 7, A.C. contactor III 8, in rotor chopping speed regulating inversion
Device 9, A.C. contactor IV 10 and fuse 11 is presented to constitute.The double winding inner-feeding motor 12 is by anti-in double winding
Feed 4 groups of motivation stator winding 2, double winding inner-feeding motor rotor windings 3 and double winding inner-feeding motor feedback winding
It closes and constitutes.The output end of power switch 1 is connect with double winding inner-feeding motor stator winding 2, double winding inner-feeding motor
Rotor windings 3 are connect with I 5 input terminal of A.C. contactor and II 7 input terminal of A.C. contactor respectively, the output of A.C. contactor I 5
End connect with water resistance 6, the output end of A.C. contactor II 7 respectively with III 8 input terminal of A.C. contactor and rotor chopping speed regulating
The input terminal connection of feedback device 9 in inversion, the output end and A.C. contactor IV 10 of the interior feedback device 9 of rotor chopping speed regulating inversion are defeated
Enter end connection, the output end of A.C. contactor IV 10 is connect with the input terminal of fuse 11, the output end and double wrap of fuse 11
Group inner-feeding motor feedback winding 4 connects, and fuse 11 is replaced by fastp-acting fuse.
Feedback device 9 is made of IGBT with silicon-controlled combine in the rotor chopping speed regulating inversion.Using Siemens
Eupec high-power IGBT module, the component belong to all-controlling power electronics device, itself have turn-off capacity, no
Need the auxiliary breaking circuit that thyristor SCR is numerous and jumbled；Modularized design simplifies structure, is convenient for changing.IGBT can be realized
Protection act when stream.It issues protection trigger pulse triggers and protects controlled silicon conducting, while speed-regulating system switchs to transport at full speed by adjusting the speed
Row or parking, are simultaneously emitted by IGBT over current fault alarm signal.
A.C. contactor I 5, A.C. contactor II 7, A.C. contactor III 8 and the A.C. contactor IV 10 is true
Empty A.C. contactor.
The device is started using water resistance, and water resistance starting torque is big, less than 1.5 times rated current of starting current, to electricity
Machine impact is small, and the starting time is adjustable, is suitable for high-power blower class load starting.Frequency sensitive trheostat starting reliability is high, has
Non-maintaining characteristic is suitable for middle power Fan pump-type load and starts.
In the utility model, the power switch 1 is high-pressure vacuum switch, and the effect of power switch 1 is to whole device
Switch on or off power supply;Double winding inner-feeding motor stator winding 2 is to absorb power supply energy and establish rotating excitation field；Double wrap
Group inner-feeding motor feedback winding 4 is will be through the slip dump energy feedback grid of inversion；Double winding inner-feeding motor turns
Sub- winding 3 is to induce rotor current under the effect of stator rotating excitation field and generate magnetic field and rotate, while dump energy being exported
To feedback device 9 in rotor chopping speed regulating inversion；A.C. contactor I 5 is by double winding inner-feeding motor rotor windings 3 and water resistance
Motor starting task is completed in 6 connection or cutting；Water resistance 6 seals in rotor windings circuit in motor starting, completes closure
Rotor windings circuit starts task；A.C. contactor II 7 is connected to double winding inner-feeding motor rotor windings 3 and A.C. contactor
III 8, device 9 is presented in rotor chopping speed regulating inversion；A.C. contactor III 8 is shorted rotor windings in motor full speed running；Turn
Device 9 is presented in sub- chopping regulating speed and inversion, first is that change seals in double winding inner-feeding motor rotor by copped wave tune wide mode
The equivalent resistance size of winding 3 changes rotor current, reaches speed regulation purpose, second is that dump energy is reverse into constant frequency, gives double
Winding inner-feeding motor feedback winding 4 completes energy saving internal feedback；The connection of A.C. contactor IV 10 or cutting rotor chopping speed regulating
Feedback device 9 and fuse 11 in inversion；Fuse 11 is fastp-acting fuse, protects double winding inner-feeding motor feedback winding 4,
Avoid presenting device output voltage because of rotor chopping speed regulating and in inversion excessively high, and it is excessive and burn to generate electric current.
The device cuts off speed regulation device in speed regulation device failure, and motor directly gets access to grid constant-speed operation, and bypass setting is
One of the important means of ensure safety in production.Chopped Mode Feedback energy saving apparatus is due to built-in water resistance cabinet, when speed regulation device failure
When, control unit automatically switches at full speed, only needs rotor to be shorted (closure of A.C. contactor III 8, A.C. contactor II at full speed
7 closures), speed regulation device has reformed into a water resistance cabinet at this time.
Start with shunting device (as shown in the figure) by water resistance starter, A.C. contactor I 5, A.C. contactor II 7, exchange
Contactor III 8 is constituted.To reduce starting current, make motor smooth start, in Chopped Mode Feedback energy saver, built-in water resistance
Starter has added the starting device automatically switched.In electric motor starting, A.C. contactor I 5, A.C. contactor III 8 are closed,
A.C. contactor II 7, A.C. contactor IV 10 are opened, and motor passes through water resistance smooth start.After the completion of starting, A.C. contactor II
7 closures, A.C. contactor I 5 are opened, and rotor is connect by III 8 star of A.C. contactor, and motor enters full speed operation state, completes
Dynamic process.
Energy saver is presented in the chopping regulating speed of the utility model, smooth stepless speed-regulating is realized in speed adjustable range, due to adjusting
Velocity control device only controls the portion capacity of motor, so its loss is smaller, speed efficiency is higher, and power savings are more preferable；The dress
It sets using frequency sensitive trheostat or water resistance starting mode, starting torque is big, and starting current is small, starts rapidly, entire starting process
Automatically switch；Static accuracy >=99.8% of the Chopped Mode Feedback energy saving apparatus fully meets blower, pump-type load is wanted
It asks.
Energy saver is presented in the chopping regulating speed of the utility model, can be used for the energy-saving speed regulating fortune of high pressure high and medium power motor
Row, can carry out that smooth, stepless speed regulation, control precision is high, energy-saving effect is good；The starting current of motor can be controlled, automatically
Complete the switching of motor starting process；It realizes and all runs related operation and action logic with electric machine speed regulation, including start, stop
Only, speed regulation, full speed, raising speed, reduction of speed etc., while providing on the spot and remote operation.4~20mA interface, convenient and DCS are provided
Control system or other computer networks are connected.
Claims (6)
- It is by power switch (1), double winding inner-feeding motor (12), A.C. contactor I 1. presenting energy saver in chopping regulating speed (5), A.C. contactor II (7), A.C. contactor III (8), A.C. contactor IV (10) and fuse (11) are constituted, and feature exists It is connect in the output end of the power switch (1) with double winding inner-feeding motor stator winding (2), double winding internal feedback is electronic Machine rotor winding (3) is connect with A.C. contactor I (5) input terminal and A.C. contactor II (7) input terminal respectively, A.C. contactor The output end of I (5) is connect with water resistance (6), and the output end of A.C. contactor II (7) is inputted with A.C. contactor III (8) respectively It holds and is connected with the input terminal of feedback device (9) in rotor chopping speed regulating inversion, the output of feedback device (9) in rotor chopping speed regulating inversion End is connect with A.C. contactor IV (10) input terminal, and the output end of A.C. contactor IV (10) and the input terminal of fuse (11) connect It connects, the output end of fuse (11) is connect with double winding inner-feeding motor feedback winding (4).
- 2. presenting energy saver in chopping regulating speed as described in claim 1, it is characterised in that the power switch (1) is high pressure Vacuum switch.
- 3. presenting energy saver in chopping regulating speed as described in claim 1, it is characterised in that the double winding inner-feeding motor It (12) is by double winding inner-feeding motor stator winding (2), double winding inner-feeding motor rotor windings (3) and double winding Feedback motor feedback winding (4) combination is constituted.
- 4. presenting energy saver in chopping regulating speed as described in claim 1, it is characterised in that in the rotor chopping speed regulating inversion Presenting device (9) is made of IGBT with silicon-controlled combine.
- 5. presenting energy saver in chopping regulating speed as described in claim 1, it is characterised in that the A.C. contactor I (5) is handed over Flowing contactor II (7), A.C. contactor III (8) and A.C. contactor IV (10) is vacuum A. C. contactor.
- 6. presenting energy saver in chopping regulating speed as described in claim 1, it is characterised in that the fuse (11) is by quick Fuse replaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920403986.5U CN209329995U (en) | 2019-03-28 | 2019-03-28 | Energy saver is presented in chopping regulating speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920403986.5U CN209329995U (en) | 2019-03-28 | 2019-03-28 | Energy saver is presented in chopping regulating speed |
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| Publication Number | Publication Date |
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| CN209329995U true CN209329995U (en) | 2019-08-30 |
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| CN201920403986.5U Active CN209329995U (en) | 2019-03-28 | 2019-03-28 | Energy saver is presented in chopping regulating speed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109831141A (en) * | 2019-03-28 | 2019-05-31 | 大庆市易瑞达环保科技有限公司 | Energy saver is presented in chopping regulating speed |
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2019
- 2019-03-28 CN CN201920403986.5U patent/CN209329995U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109831141A (en) * | 2019-03-28 | 2019-05-31 | 大庆市易瑞达环保科技有限公司 | Energy saver is presented in chopping regulating speed |
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