CN209105008U - Winding type permanent magnet speed regulation device and its system - Google Patents
Winding type permanent magnet speed regulation device and its system Download PDFInfo
- Publication number
- CN209105008U CN209105008U CN201821922122.6U CN201821922122U CN209105008U CN 209105008 U CN209105008 U CN 209105008U CN 201821922122 U CN201821922122 U CN 201821922122U CN 209105008 U CN209105008 U CN 209105008U
- Authority
- CN
- China
- Prior art keywords
- speed regulation
- regulation device
- cabinet
- permanent magnet
- winding type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of winding type permanent magnet speed regulation device and its system, device includes: speed regulation device ontology, and the driving shaft of speed regulation device ontology and the output shaft of motor are sequentially connected, and the driven shaft of speed regulation device ontology and the input shaft of load are sequentially connected；It is electrically connected with the coil windings of speed regulation device ontology by induced current derivation mechanism with the input terminal of speed regulation device control cabinet, speed regulation device control cabinet, the lower mouth of the vacuum circuit breaker of the output end and high-tension switch cabinet of speed regulation device control cabinet is electrically connected；The suitable for reading of the vacuum circuit breaker of high-tension switch cabinet is electrically connected with power grid, the lower mouth and electronic mechatronics of vacuum circuit breaker；The lower mouth of vacuum circuit breaker is provided with current transformer.System includes motor, load, high-voltage switch gear and winding type speed regulation device.The utility model is through the above technical solutions, save speed regulation device cable switching cabinet, the accuracy of perfect motor main protection data acquisition, it is ensured that the safe and stable operation of equipment.
Description
Technical field
The utility model belongs to motor technology field, in particular to a kind of winding type permanent magnet speed regulation device and its system.
Background technique
Winding type permanent magnet speed regulation device is generally used for the loads such as blower, pump class, which has the property that flow becomes
Change it is directly proportional to transformation of speed, pressure change and rotation speed change it is square directly proportional, changed power and rotation speed change cube at
Direct ratio.Based on afore-mentioned characteristics, the slip power and revolving speed of winding type permanent magnet speed regulation device have relationship.In order to reach the effect of economize on electricity
Fruit feeds back the slip power of winding type permanent magnet speed regulation device to motor terminal to provide electric energy to motor.
In the prior art, referring to Fig. 1, become after the slip power of winding type permanent magnet speed regulation device is adjusted and motor volume
Then constant voltage and the identical electric energy of frequency are input to speed regulation device cable switching cabinet (or speed regulation device cable by cable
Cabinet), the electric energy of power grid is input to speed regulation device cable switching cabinet by high-tension switch cabinet, and speed regulation device cable switching cabinet receives two
Part electric energy: the power supply electric energy of the electric energy of power grid and the feedback power of winding type permanent magnet speed regulation device as motor.Due to adopting
With speed regulation device cable switching cabinet, the electric current for flowing through the microcomputer complex protection of high-tension switch cabinet is not the practical electricity of motor running
It flows, at this time microcomputer complex protection electric current=motor actual current-speed regulation device feedback current.And the electric current of microcomputer complex protection acquisition is electricity
The important parameter of motivation main protection, the electric current pass through the current transformer that the lower mouth of vacuum circuit breaker of high-tension switch cabinet is arranged in
Acquisition, most of protection is all based on the basis of the current value, therefore the data of acquisition can be made to become smaller, and seriously affects protection function
The realization of energy and the operational safety of motor.
Utility model content
To solve the above-mentioned problems, on the one hand the utility model provides a kind of winding type permanent magnet speed regulation device comprising:
Speed regulation device ontology, the driving shaft of the speed regulation device ontology and the output shaft of motor are sequentially connected, the speed regulation device sheet
The driven shaft of body and the input shaft of load are sequentially connected；With speed regulation device control cabinet, the input terminal of the speed regulation device control cabinet
Be electrically connected with the coil windings of the speed regulation device ontology by induced current derivation mechanism, the speed regulation device control cabinet it is defeated
Outlet is electrically connected with the lower mouth of the vacuum circuit breaker of high-tension switch cabinet；Wherein, the vacuum circuit breaker of the high-tension switch cabinet is upper
Mouthful be electrically connected with power grid, the lower mouth of the vacuum circuit breaker of the high-tension switch cabinet also with the electronic mechatronics；The high pressure
The lower mouth of the vacuum circuit breaker of switchgear is provided with current transformer, and the measured value of the current transformer is pressed off as the height
Close the current value of the microcomputer complex protection electric current of cabinet.
In winding type permanent magnet speed regulation device as described above, it is preferable that the speed regulation device control cabinet includes: rectification control
System cabinet, the induced current for generating the speed regulation device ontology are transformed into direct current, and the rectification controls the input of sub- cabinet
End is electrically connected with the induced current derivation mechanism；The sub- cabinet of inversion, the direct current for the rectification to be controlled sub- cabinet output change
It is the exchange of power frequency at frequency, the input terminal of the sub- cabinet of inversion is electrically connected with the output end that the rectification controls sub- cabinet；And liter
Press sub- cabinet；For the voltage of the exchange of the sub- cabinet output of the inversion to be adjusted to the motor voltage rating, the boosting
The input terminal of sub- cabinet is electrically connected with the output end of the sub- cabinet of the inversion, and the output end of the sub- cabinet of boosting is pressed off with the height
Close the lower mouth electrical connection of the vacuum circuit breaker of cabinet.
In winding type permanent magnet speed regulation device as described above, it is preferable that the induced current derivation mechanism includes: current collection
Ring is socketed on the driven shaft of the speed regulation device ontology, and the coil windings through winding leads Yu the speed regulation device ontology
Electrical connection；And brush, it is fixed on brush carrier, one end of the brush is contacted with the collector ring, the other end of the brush
It is electrically connected through brush-lead with the speed regulation device control cabinet.
In winding type permanent magnet speed regulation device as described above, it is preferable that the driving shaft and motor of speed regulation device ontology
Output shaft be sequentially connected by shaft coupling, the input shaft of the driven shaft of the speed regulation device ontology and load passes through shaft coupling biography
Dynamic connection.
On the other hand the utility model provides a kind of winding type permanent magnet speed regulation system comprising: it is high-tension switch cabinet, electronic
Machine, load and winding type permanent magnet speed regulation device；The suitable for reading of the vacuum circuit breaker of the high-tension switch cabinet is electrically connected with power grid, described
The lower mouth of vacuum circuit breaker and the electronic mechatronics, the lower mouth of the vacuum circuit breaker also with the winding type permanent magnetic speed-adjusting
The output end of device is electrically connected, and the lower mouth of the vacuum circuit breaker is provided with current transformer；The output shaft of the motor with
The driving shaft of the winding type permanent magnet speed regulation device is sequentially connected；The input shaft of the load and the winding type permanent magnetic speed-adjusting fill
The driven shaft transmission connection set；The winding type permanent magnet speed regulation device is above-mentioned winding type permanent magnet speed regulation device.
In winding type permanent magnet speed regulation system as described above, it is preferable that the load is blower or pump.
Technical solution provided by the embodiment of the utility model has the benefit that
1), optimization eliminates speed regulation device cable switching cabinet, saves 1 face cabinet.
2) electric current for, guaranteeing the current transformer acquisition of high-tension switch cabinet is the actual motion electric current of motor, perfect
The accuracy of motor main protection data acquisition, it is ensured that the safe and stable operation of equipment.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for winding type permanent magnet speed regulation system that the prior art provides；
Fig. 2 is a kind of structure of the speed regulation device ontology of winding type permanent magnet speed regulation device provided by the embodiment of the utility model
Schematic diagram；
Fig. 3 is a kind of structural schematic diagram of winding type permanent magnet speed regulation system provided by the embodiment of the utility model；
Fig. 4 is the structural schematic diagram of another winding type permanent magnet speed regulation system provided by the embodiment of the utility model；
Symbol description is as follows in figure:
1 permanent magnet, 2 driving shafts, 3 shells, 4 iron cores, 5 coil windings, 6 brushes, 7 collector rings, 8 driven shafts, 9 air gaps, 10
Adjust device control cabinet, 11 high-tension switch cabinets, 12 motor, 13 loads, 14 speed regulation device ontologies, 15 speed regulation devices transfer cabinet,
It is 16 winding type permanent magnet speed regulation devices, 17 current transformers, 18 vacuum circuit breakers, 19 buses, 20 shaft couplings, 21 shaft couplings, 100 whole
Flow control system cabinet, the sub- cabinet of 101 inversions, the 102 sub- cabinets of boosting,
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
Referring to fig. 2~4, the utility model embodiment provides a kind of winding type permanent magnet speed regulation system comprising: height presses off
Close cabinet 11, motor 12, load 13 and winding type permanent magnet speed regulation device 16.
Specifically, high-tension switch cabinet 11 is arranged inside for being electrically connected with power grid to provide electric energy to motor 12
The suitable for reading of vacuum circuit breaker 18 is electrically connected with power grid, and the lower mouth of vacuum circuit breaker 18 is electrically connected with to motor 12 with motor 12
Electric energy is provided, the lower mouth of vacuum circuit breaker 18 is provided with current transformer 17, the measured value of the current transformer 17 is as high
Compress switch cabinet 11 microcomputer complex protection electric current (or computer integrated protection electric current) current value.The electric current of microcomputer complex protection acquisition is (i.e.
Microcomputer complex protection electric current) be motor main protection important parameter, most of protection to motor 12 is all with the Current Mutual Inductance
On the basis of the collection value of device 17.In practical application, vacuum circuit breaker 18 in high-tension switch cabinet 11 it is suitable for reading through bus 19 and electricity
Net electricity electrical connection, bus can be 6kV bus.High-tension switch cabinet 11 can be the electric equipment products of 3.6kV~550kV.Load can
Think blower or pump.It may include other electric elements in high-tension switch cabinet 11 in the utility model embodiment, and it is existing
Other devices in high-tension switch cabinet 11 disclosed in technology in addition to vacuum circuit breaker, bus, current transformer can be the same,
The present embodiment is to this without limiting.
Winding type permanent magnet speed regulation device 16 includes: speed regulation device ontology 14 and speed regulation device control cabinet 15.Speed regulation device sheet
Body 14 is the structure based on winding type permanent magnetic speed-adjusting principle, includes permanent-magnetic outer rotor and winding internal rotor.Permanent-magnetic outer rotor packet
Include driving shaft 2, shell 3 and permanent magnet 1.One end of driving shaft 2 and the output shaft of motor 12 are sequentially connected, and such as pass through shaft coupling
20 connection, under the driving of motor 12 with the same rotation speed operation of motor 12.Shell 3 is socketed in the other end of driving shaft 2, and
The inside of shell 3 is provided with permanent magnet 1.Winding internal rotor includes: driven shaft 8, iron core 4 and coil windings 5.The one of driven shaft 8
End and the input shaft of load 13 are sequentially connected, and are such as connected by shaft coupling 21, are rotated at the same speed with band dynamic load 13, driven shaft 8
The other end of the other end and driving shaft 2 is spaced.The socket of iron core 4 (as being interference fitted or being keyed) is in the another of driven shaft 8
End.Coil windings 5 are formed on iron core 4 with canoe.Driven shaft 8 radially, between coil windings 5 and permanent magnet 1
It is formed with air gap 9.
Speed regulation device control cabinet 10 is used to the induced current generated in coil windings 5 being adjusted to specified with motor 12
Voltage identical electric energy with frequency, and power for motor 12 comprising: rectification controls sub- cabinet 100, the sub- cabinet 101 of inversion and boosting
Sub- cabinet 102.Rectification controls sub- cabinet 100 and is used to for the induced current that speed regulation device ontology 14 generates being transformed into direct current, rectification control
Input terminal of the input terminal of sub- cabinet 100 as speed regulation device control cabinet 10 passes through induction with the coil windings 5 of speed regulation device ontology
The electrical connection of electric current derivation mechanism.It is power frequency that the sub- cabinet 101 of inversion, which is used to control rectification the direct current that sub- cabinet 100 exports to be transformed into frequency,
Exchange, the input terminal of the sub- cabinet 101 of inversion is electrically connected with the output end that rectification controls sub- cabinet 100.The sub- cabinet 102 that boosts is used for will be inverse
The voltage for the exchange that varitron cabinet 101 exports is adjusted to motor voltage rating, the input terminal and the sub- cabinet of inversion of the sub- cabinet 102 that boosts
101 output end electrical connection, output end of the output end for the sub- cabinet 102 that boosts as speed regulation device control cabinet 10, with high-voltage switch gear
The lower mouth of the vacuum circuit breaker 18 of cabinet 11 is electrically connected, and is such as electrically connected by high-voltage power cable with the lower mouth of vacuum circuit breaker 18.
The type selecting of high-voltage power cable can be selected according to " Code for design of cables of electric works national standard " GB 50217-2007
It selects.
In application, driving shaft is connected with motor, driven shaft is connected with load, and motor is by mains-supplied, power frequency operation.
Therefore driving shaft is dragged, the same rotation speed operation as motor speed.When driving shaft and driven shaft have rotational speed difference, according to
Faraday's law can generate induced electromotive force in coil windings.The induced current derivation mechanism being arranged on driven shaft is (under i.e.
The collector ring and brush stated), induced current can be drawn out to control unit, by controlling faradic size, Lai Shixian
The size of torque is transmitted, realizes the function of speed regulation and soft start.By collector ring and brush, induced current is led into speed regulation dress
Control cabinet is set, is handled by rectification, inversion and boosting, the slip power of permanent magnetic speed-adjusting is fed back to mains terminal, to reach
The effect of economize on electricity.
The present embodiment is by by the vacuum circuit breaker 18 of the output end of speed regulation device control cabinet 10 and high-tension switch cabinet 11
Lower mouth electrical connection, the suitable for reading of vacuum circuit breaker 18 are electrically connected with power grid, and the electric energy of the electric energy and feedback that supply power grid is in vacuum
The lower mouth of breaker 18 summarizes, and then electric current is acquired by the current transformer 17 being arranged at the place of summarizing, in this, as microcomputer
Comprehensive guarantor's electric current keeps the electric current consistent with motor actual current, it is ensured that the safe and stable operation of motor.Due to improving
The position of winding type speed regulation device access motor is optimized, to eliminate traditional cable switching cabinet, reduces number of devices
Amount.
Induced current derivation mechanism includes: collector ring 7 and brush 6.Collector ring 7 is socketed in the driven shaft of speed regulation device ontology
On 8 with the same rotation speed operation of driven shaft 8, and be electrically connected through winding leads with the coil windings 5 of speed regulation device ontology.Brush 6 is solid
It is scheduled on brush carrier, one end of brush 6 is contacted with collector ring 7, and the other end of brush 6 is through brush-lead and speed regulation device control cabinet
10 electrical connections, so that induced current is led to adjustment device control cabinet 10.
The driving shaft 2 of speed regulation device ontology and the output shaft of motor are sequentially connected by shaft coupling, speed regulation device ontology
Driven shaft 8 and load input shaft by shaft coupling be sequentially connected, shaft coupling can be non-contact type coupling, as electromagnetism connection
Axis device.
In conclusion the utility model bring has the beneficial effect that:
1, optimization eliminates speed regulation device cable switching cabinet 15 (or speed regulation device switching cabinet), saves 1 face cabinet.2,
The electric current for guaranteeing the current transformer acquisition of high-tension switch cabinet is the actual motion electric current of motor, perfect motor main protection
The accuracy of data acquisition, it is ensured that the safe and stable operation of equipment.
As known by the technical knowledge, the utility model can pass through other essence without departing from its spirit or the reality of essential feature
Scheme is applied to realize.Therefore, embodiment disclosed above, in all respects are merely illustrative, and are not only
's.All changes that come within the scope of the invention or equivalents of the invention are by the utility model packet
Contain.
Claims (6)
1. a kind of winding type permanent magnet speed regulation device, which is characterized in that the winding type permanent magnet speed regulation device includes:
Speed regulation device ontology, the driving shaft of the speed regulation device ontology and the output shaft of motor are sequentially connected, the speed regulation dress
The input shaft of the driven shaft and load of setting ontology is sequentially connected；With
Speed regulation device control cabinet, the input terminal of the speed regulation device control cabinet and the coil windings of the speed regulation device ontology pass through
Induced current derivation mechanism is electrically connected, under the output end of the speed regulation device control cabinet and the vacuum circuit breaker of high-tension switch cabinet
Mouth electrical connection；
Wherein, the suitable for reading of the vacuum circuit breaker of the high-tension switch cabinet is electrically connected with power grid, and the vacuum of the high-tension switch cabinet is disconnected
The lower mouth of road device also with the electronic mechatronics；
The lower mouth of the vacuum circuit breaker of the high-tension switch cabinet is provided with current transformer, and the measured value of the current transformer is made
For the current value of the microcomputer complex protection electric current of the high-tension switch cabinet.
2. winding type permanent magnet speed regulation device according to claim 1, which is characterized in that the speed regulation device control cabinet packet
It includes:
Rectification controls sub- cabinet, and the induced current for generating the speed regulation device ontology is transformed into direct current, the rectification control
The input terminal of sub- cabinet is electrically connected with the induced current derivation mechanism；
The sub- cabinet of inversion, the direct current for the rectification to be controlled sub- cabinet output are transformed into the exchange that frequency is power frequency, the inversion
The input terminal of sub- cabinet is electrically connected with the output end that the rectification controls sub- cabinet；With
Boost sub- cabinet；For the voltage of the exchange of the sub- cabinet output of the inversion to be adjusted to the motor voltage rating, institute
The input terminal for stating the sub- cabinet that boosts is electrically connected with the output end of the sub- cabinet of the inversion, the output end of the sub- cabinet of boosting and the high pressure
The lower mouth of the vacuum circuit breaker of switchgear is electrically connected.
3. winding type permanent magnet speed regulation device according to claim 1, which is characterized in that the induced current derivation mechanism packet
It includes:
Collector ring is socketed on the driven shaft of the speed regulation device ontology, and through winding leads and the speed regulation device ontology
Coil windings electrical connection；With
Brush is fixed on brush carrier, and one end of the brush is contacted with the collector ring, and the other end of the brush is through brush
Lead is electrically connected with the speed regulation device control cabinet.
4. winding type permanent magnet speed regulation device according to claim 1, which is characterized in that the driving shaft of speed regulation device ontology with
The output shaft of motor is sequentially connected by shaft coupling, and the driven shaft of the speed regulation device ontology and the input shaft of load pass through connection
The transmission connection of axis device.
5. a kind of winding type permanent magnet speed regulation system, which is characterized in that the winding type permanent magnet speed regulation system includes: high-voltage switch gear
Cabinet, motor, load and winding type permanent magnet speed regulation device；
The suitable for reading of the vacuum circuit breaker of the high-tension switch cabinet is electrically connected with power grid, the lower mouth and the electricity of the vacuum circuit breaker
Motivation electrical connection, the lower mouth of the vacuum circuit breaker is also electrically connected with the output end of the winding type permanent magnet speed regulation device, described
The lower mouth of vacuum circuit breaker is provided with current transformer；
The driving shaft of the output shaft of the motor and the winding type permanent magnet speed regulation device is sequentially connected；
The driven shaft of the input shaft of the load and the winding type permanent magnet speed regulation device is sequentially connected；
The winding type permanent magnet speed regulation device is winding type permanent magnet speed regulation device according to any one of claims 1 to 4.
6. winding type permanent magnet speed regulation system according to claim 5, which is characterized in that the load is blower or pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821922122.6U CN209105008U (en) | 2018-11-21 | 2018-11-21 | Winding type permanent magnet speed regulation device and its system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821922122.6U CN209105008U (en) | 2018-11-21 | 2018-11-21 | Winding type permanent magnet speed regulation device and its system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209105008U true CN209105008U (en) | 2019-07-12 |
Family
ID=67160892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821922122.6U Active CN209105008U (en) | 2018-11-21 | 2018-11-21 | Winding type permanent magnet speed regulation device and its system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209105008U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021098548A1 (en) * | 2019-11-22 | 2021-05-27 | 株洲时代新材料科技股份有限公司 | Magnetic shaft coupling and use and adjustment method thereof |
-
2018
- 2018-11-21 CN CN201821922122.6U patent/CN209105008U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021098548A1 (en) * | 2019-11-22 | 2021-05-27 | 株洲时代新材料科技股份有限公司 | Magnetic shaft coupling and use and adjustment method thereof |
| US11923136B2 (en) | 2019-11-22 | 2024-03-05 | Zhuzhou Times New Material Technology Co., Ltd. | Magnetic coupling and use and adjustment method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201113495Y (en) | Induction charger | |
| CN100468908C (en) | Rotary electromagnetic type uniform tidal current controller | |
| CN208013382U (en) | It is a kind of can electric energy feedback generator test device | |
| CN209105008U (en) | Winding type permanent magnet speed regulation device and its system | |
| CN107863866B (en) | High-power electromagnetic speed regulating motor | |
| CN210577963U (en) | Energy-saving control device of dynamic motor | |
| CN101009431A (en) | Rotating electromagnetic energy transformation device | |
| CN210578271U (en) | Power supply rotation conversion device | |
| CN207559584U (en) | The power generation-transmission system and wind power generating set of wind power generating set | |
| CN205263208U (en) | Many function test platform | |
| CN200956563Y (en) | High-voltage AC winding motor rotor variable frequency speed-regulating control system | |
| CN103855886B (en) | A kind of electromagnetic adjustable speed motor | |
| CN101534078A (en) | Rotating excitation method and device for synchronization of large wound rotor asynchronous motor | |
| CN202940715U (en) | Single-phase/three-phase universal generating set of equal power 6 KW | |
| CN105591480B (en) | Stator winding autocoupling type tandem double-fed generator and its method of work | |
| CN205986568U (en) | Power frequency generating set for transformer test | |
| CN107947242A (en) | Power generation and transmission system of wind generating set and wind generating set | |
| CN207652343U (en) | Electric machine controller | |
| CN204231245U (en) | A kind of low-voltage direct permanent magnet generator unit | |
| CN201156467Y (en) | Tunable reactor | |
| CN212034019U (en) | Motor baking system | |
| CN207909701U (en) | Integral intelligent three-phase imbalance administers transformer | |
| CN207677659U (en) | A kind of governing system of direct current generator | |
| CN209976645U (en) | Control panel of 10KW gasoline generator set | |
| CN204481640U (en) | A kind of power output intelligent adjustable electric machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 102200 room 5413, building 305, Guodian New Energy Technology Research Institute, future science city, Beiqijia Town, Changping District, Beijing Patentee after: Guoneng Longyuan Lantian Energy Saving Technology Co.,Ltd. Address before: Room 1205, building 1, courtyard 16, Middle West Fourth Ring Road, Haidian District, Beijing 100039 Patentee before: GUODIAN LONGYUAN ENERGY SAVING TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address |