CN205977054U - Three -phase AC rolling door machine that braking circuit connection in series -parallel set up - Google Patents
Three -phase AC rolling door machine that braking circuit connection in series -parallel set up Download PDFInfo
- Publication number
- CN205977054U CN205977054U CN201620948323.8U CN201620948323U CN205977054U CN 205977054 U CN205977054 U CN 205977054U CN 201620948323 U CN201620948323 U CN 201620948323U CN 205977054 U CN205977054 U CN 205977054U
- Authority
- CN
- China
- Prior art keywords
- phase
- brake
- alternating current
- phase alternating
- winding
- 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.)
- Expired - Fee Related
Links
Landscapes
- Stopping Of Electric Motors (AREA)
Abstract
The utility model relates to a three -phase AC rolling door machine that braking circuit connection in series -parallel set up, including gearbox, three -phase alternating current motor, back casing, back casing cover and controller, the gearbox front end is equipped with the mount pad, the internal brake equipment that is equipped with of backshell, brake equipment includes brake disc, brake solenoid, brake block, spring and three phase bridge, brake solenoid is equipped with parallel winding and series winding, the zero line of any congruence power that three -phase alternating current motor input no. 3 takes a fancy to is connected respectively at parallel winding's both ends, three phase bridge's output is connected respectively at series winding's both ends, and three -phase alternating current motor's three -phase winding's end is connected respectively to three phase bridge's input. The utility model discloses the solenoid that enables to brake produces great electromagnetic force and opens braking system rapidly when rolling door machine starts, rolling door machine starts the back operating current and reduces, practices thrift the electric energy.
Description
Technical field
This utility model is related to rolling screen door technical field, more particularly, to a kind of three-phase alternating current of braking circuit connection in series-parallel setting
Door roller.
Background technology
Electric rolling door lifting is driven by door roller, and rolling screen door lifting puts in place or midway stops, and not only door roller motor will
Shut down, also door roller will be braked, otherwise due to the weight of rolling screen door itself, rolling screen door can down be fallen.
Existing three-phase alternating current door roller brake gear is mainly by brake disc, brake block, brake spring and electric magnet（Brake
Solenoid）Composition, under door roller halted state, promotes brake block extruding brake disc to be braked by the thrust of brake spring；
During door roller work, electric magnet energising attracts brake block, so that brake block is separated with brake disc and opens brake system, is maintained to
Door roller shuts down.Traditional three-phase alternating current door roller brake solenoid is usually directly to be powered by live wire and zero line, stops
The winding of car solenoid and alternating current generator is to be arranged in parallel, and the voltage at its two ends is constant, therefore, no matter being electric magnet
The moment of brake system is opened in energising, still opens the maintenance state after brake system, and the size of current of brake solenoid is
Identical.In fact, before electric magnet is not operating, because the iron core of electric magnet and brake block have a certain distance, depositing therebetween
In magnetic gap, the moment of electromagnet action needs larger electric current, and after electric magnet closure, unshakable in one's determination and brake block tightly combines, and is formed
Closed magnetic circuit, magnetic flux increases, and maintains the electric current of electric magnet closure can greatly reduce.Therefore, existing exchange door roller brake
Circuit can be opened rear braking solenoid current because of brake system and not reduce, and lead to solenoid heating of braking, waste electric energy,
Have an effect on the overall performance of brake system.
Utility model content
This utility model overcomes the deficiencies in the prior art, there is provided one kind can make brake solenoid start in door roller
When produce larger electromagnetic force and open rapidly brake system, after door roller starts, operating current reduces, the three-phase alternating current of saves energy
Door roller.
This utility model is achieved through the following technical solutions：
A kind of three-phase alternating current door roller of braking circuit connection in series-parallel setting, including change speed gear box, three phase alternating current motor, back cover
Body, rear shell cover and controller；Described change speed gear box front end is provided with mounting seat；Described three phase alternating current motor and controller electrical connection；Institute
State in back cover body and be provided with brake gear；In rear shell cover, this controller connects power supply to described controller；Described brake gear bag
Include brake disc, brake solenoid, brake block, spring and three-phase commutation bridge；Described brake disc is fixed on three-phase alternating current arbor
On；The housing of described brake solenoid and back casing is affixed；Described brake block located at brake disc and brakes between solenoid,
This brake block can axially move；Described spring is between brake block and the housing of back casing, and brake block is pushed to brake
Disk；Described brake solenoid is provided with parallel winding and series connection winding；The two ends of described parallel winding connect three-phase alternating current respectively
Any phase in input end of motor three-phase and the zero line of power supply；The two ends of described series connection winding connect three-phase commutation bridge respectively
Outfan, the input of three-phase commutation bridge connects the end of the three-phase windings of three phase alternating current motor respectively.
In the technical program, the parallel winding of brake solenoid is equivalent to the three-phase windings of three phase alternating current motor simultaneously
Connection, its operating current and the electromagnetic force producing are constant before and after three phase alternating current motor starts；Series connection winding is equivalent to and three
The three-phase windings series connection of cross streams motor, when three phase alternating current motor starts, starting current is larger, generally running current
3～5 times, the electric current of series connection winding is also 3～5 times of running current, and series connection winding produces larger electromagnetic force, adds
The electromagnetic force that parallel winding produces makes brake block overcome the thrust of brake spring to separate with brake disc, and opening brake system makes three-phase
Alternating current generator normally starts, and after three phase alternating current motor starts, electric current reduces rapidly, and the electric current of series connection winding also reduces rapidly, but this
When brake system be in open mode, only need a less electric current can be maintained open state, the electromagnetic force of series connection winding and simultaneously
The electromagnetic force of connection winding can continue to open mode, thus can greatly reduce the power of parallel winding, make brake electromagnetic wire
Coil temperature rise is little, saves energy, and job stability is high；And maintain brake system open mode electromagnetic force be by parallel winding and
The common offer of series connection winding, provide electromagnetic force to compare with independent by series connection winding, it is possible to reduce the number of turn of series connection winding, keep away
Exempt to affect the service behaviour of three phase alternating current motor.
Preferably, also include single-phase rectification bridge, the input of this single-phase rectification bridge connects three phase alternating current motor input respectively
Any phase in the three-phase of end and the zero line of power supply, outfan connects the two ends of parallel winding respectively.Alternating current is through single-phase rectifier
Bridge inputs parallel winding after being rectified into unidirectional current, and parallel winding work can be made more stable.
Preferably, the impedance of described series connection winding is the 2%～4% of three phase alternating current motor three-phase windings impedance.Series connection winding
Impedance be in during this scope and the power of three phase alternating current motor affected less, do not interfere with the normal work of three phase alternating current motor
Make, may also provide enough electromagnetic forces, performance reaches preferable state.
Preferably, described change speed gear box side is provided with the stop connecting with gearbox transmission；Described stop and controller
Electrical connection, this stop is used for making door roller open the door and be automatically stopped in position set in advance at closing time.In door roller work,
When rolling screen door reaches position set in advance, stop can send the signal of telecommunication to controller, and controller is connected to cut-out volume after signal
The dynamo-electric road of door makes door roller quit work.
The beneficial effects of the utility model are：By brake solenoid be divided into parallel winding and series connection winding, by parallel connection around
Group provides stable electromagnetic force, and series connection winding can produce larger electromagnetic force when three-phase alternating current door roller starts to be opened rapidly and stop
Car system, can reduce operating current accordingly after opening brake system again, reduce the overall power of brake solenoid, make brake
Solenoid temperature rise is little, saves energy, does not interfere with the service behaviour of three phase alternating current motor again.
Brief description
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of brake gear of the present utility model.
Fig. 3 is circuit diagram of the present utility model.
Specific embodiment
Below in conjunction with the accompanying drawings preferred embodiment of the present utility model is described in detail, so that advantage of the present utility model
Can be easier to be readily appreciated by one skilled in the art with feature, thus make apparent clear and definite to protection domain of the present utility model
Define.
As shown in FIG. 1 to 3, embodiment of the present utility model, including change speed gear box 1, three phase alternating current motor 2, back casing 3,
Rear shell cover 4 and controller 5；Described change speed gear box 1 front end is provided with mounting seat 6；Described three phase alternating current motor 2 and controller 5 electrically connect；
It is provided with brake gear in described back casing 3；In rear shell cover 4, this controller 5 connects power supply to described controller 5；Described brake
Device includes brake disc 7, brake solenoid, brake block 8, spring 9 and three-phase commutation bridge UR2；Described brake disc 7 is fixed on three
On cross streams motor shaft 10；The housing of described brake solenoid and back casing 3 is affixed；Described brake block 8 is located at brake disc 7 He
Between brake solenoid, this brake block 8 can axially move；Described spring 9 located at brake block 8 and back casing 3 housing it
Between, and brake block 8 is pushed to brake disc 7；Described brake solenoid is provided with parallel winding YA1 and series connection winding YA2；Described simultaneously
Any phase (as W phase) and the zero line of power supply that the two ends joining winding YA1 connect in three phase alternating current motor 2 input three-phase respectively
N；The two ends of described series connection winding YA2 connect the outfan of three-phase commutation bridge UR2 respectively, and the input of three-phase commutation bridge UR2 divides
Not Lian Jie three phase alternating current motor 2 three-phase windings end.
In the present embodiment, parallel winding YA1 of brake solenoid is equivalent to the three-phase windings of three phase alternating current motor 2 simultaneously
Connection, its operating current and the electromagnetic force producing are constant before and after three phase alternating current motor 2 starts；Series connection winding YA2 is equivalent to
With the three-phase windings series connection of three phase alternating current motor 2, when three phase alternating current motor 2 starts, starting current is larger, generally normal work
Make electric current 3～5 times, the electric current of series connection winding YA2 is also 3～5 times of running current, and series connection winding YA2 produces larger
Electromagnetic force, add parallel winding YA1 produce electromagnetic force make brake block overcome the thrust of brake spring to separate with brake disc, beat
Opening brake system makes three phase alternating current motor 2 normally start, and after three phase alternating current motor 2 starts, electric current reduces rapidly, and connect winding YA2
Electric current also reduce rapidly, but now brake system is in open mode, only needs a less electric current can be maintained open state,
The electromagnetic force of the electromagnetic force of series connection winding YA2 and parallel winding YA1 can continue to open mode, thus can greatly reduce simultaneously
The power of connection winding YA1, makes brake solenoid temperature rise little, saves energy, and job stability is high；And maintain brake system to beat
The electromagnetic force of open state is by parallel winding YA1 and the common offer of series connection winding YA2, and is individually provided by series connection winding YA2
Electromagnetic force compares, it is possible to reduce the number of turn of series connection winding YA2, it is to avoid the service behaviour of impact three phase alternating current motor 2.
In the present embodiment, also include single-phase rectification bridge UR1, the input of this single-phase rectification bridge UR1 connects three respectively and intersects
Any phase (as W phase) in stream motor 2 input three-phase and the zero line N of power supply, outfan connects parallel winding YA1 respectively
Two ends.Alternating current is rectified into input parallel winding YA1 after unidirectional current through single-phase rectification bridge UR1, and parallel winding YA1 can be made to work
More stable.
In the present embodiment, the impedance of described series connection winding YA2 is the 2%～4% of three phase alternating current motor 2 three-phase windings impedance.
The impedance of series connection winding YA2 is in be affected less, not interfering with three-phase alternating current on the power of three phase alternating current motor 2 during this scope
The normal work of machine 2, may also provide enough electromagnetic forces, and performance reaches preferable state.
In the present embodiment, described change speed gear box 1 side is provided with the stop 11 being in transmission connection with change speed gear box 1；Described stop
11 and controller 5 electrically connect, this stop 11 is used for making door roller to open the door and be automatically stopped in position set in advance at closing time.
In door roller work, when rolling screen door reaches position set in advance, stop 11 can send the signal of telecommunication, controller 5 to controller 5
After being connected to signal, cut-out door roller circuit makes door roller quit work.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model does not limit to
In this, any change or replacement expected without creative work, all should cover within protection domain of the present utility model.
Therefore, protection domain of the present utility model should be defined by the protection domain that claims are limited.
Claims (4)
1. the three-phase alternating current door roller of a kind of braking circuit connection in series-parallel setting, including change speed gear box, three phase alternating current motor, back casing,
Rear shell cover and controller；Described change speed gear box front end is provided with mounting seat；Described three phase alternating current motor and controller electrical connection；After described
It is provided with brake gear in housing；In rear shell cover, this controller connects power supply to described controller；It is characterized in that：Described stop
Car device includes brake disc, brake solenoid, brake block, spring and three-phase commutation bridge；Described brake disc is fixed on three and intersects
On stream motor shaft；The housing of described brake solenoid and back casing is affixed；Described brake block is located at brake disc and brake electromagnetism
Between coil, this brake block can axially move；Described spring between brake block and the housing of back casing, and by brake block
Push brake disc to；Described brake solenoid is provided with parallel winding and series connection winding；The two ends of described parallel winding connect respectively
Any phase in three phase alternating current motor input three-phase and the zero line of power supply；The two ends of described series connection winding connect three-phase respectively
The outfan of rectifier bridge, the input of three-phase commutation bridge connects the end of the three-phase windings of three phase alternating current motor respectively.
2. a kind of braking circuit connection in series-parallel setting according to claim 1 three-phase alternating current door roller it is characterised in that：Also
Including single-phase rectification bridge, the input of this single-phase rectification bridge connects any phase in three phase alternating current motor input three-phase respectively
With the zero line of power supply, outfan connects the two ends of parallel winding respectively.
3. a kind of braking circuit connection in series-parallel setting according to claim 1 three-phase alternating current door roller it is characterised in that：Institute
The impedance stating series connection winding is the 2%～4% of three phase alternating current motor three-phase windings impedance.
4. a kind of braking circuit connection in series-parallel setting according to claim 1 three-phase alternating current door roller it is characterised in that：Institute
State change speed gear box side and be provided with the stop connecting with gearbox transmission；Described stop and controller electrical connection, this stop is used
In make door roller open the door and be automatically stopped in position set in advance at closing time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620948323.8U CN205977054U (en) | 2016-08-26 | 2016-08-26 | Three -phase AC rolling door machine that braking circuit connection in series -parallel set up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620948323.8U CN205977054U (en) | 2016-08-26 | 2016-08-26 | Three -phase AC rolling door machine that braking circuit connection in series -parallel set up |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205977054U true CN205977054U (en) | 2017-02-22 |
Family
ID=58036450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620948323.8U Expired - Fee Related CN205977054U (en) | 2016-08-26 | 2016-08-26 | Three -phase AC rolling door machine that braking circuit connection in series -parallel set up |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205977054U (en) |
-
2016
- 2016-08-26 CN CN201620948323.8U patent/CN205977054U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109495035A (en) | Generator and its progress control method with multiple generator units | |
| DE112011104874T5 (en) | Sensor-based electrical energy recovery device for use in the electric car AC motor | |
| CN104753310B (en) | A kind of self-excitation type retarding device and its control method | |
| CN205977054U (en) | Three -phase AC rolling door machine that braking circuit connection in series -parallel set up | |
| CN208200242U (en) | A kind of double brake three-phase electric cucurbit | |
| CN205945416U (en) | Improved generation three -phase AC rolling door machine | |
| CN205921546U (en) | Three -phase AC rolling door machine braking circuit that connection in series -parallel set up | |
| KR20190122116A (en) | Loss energy recovery method of motor using electromagnetic induction | |
| CN205911971U (en) | Three -phase rolling door machine circuit of taking open -phase protection of braking circuit connection in series -parallel setting | |
| CN206889526U (en) | A kind of novel automobile electromagnetic clutch | |
| CN201750384U (en) | Electromagnetic brake and control system for wind turbine | |
| CN206608090U (en) | A kind of DC. rolling-door machine circuit | |
| CN205911972U (en) | Three -phase rolling door machine circuit of taking open -phase protection of braking circuit connection in series -parallel setting | |
| CN205677516U (en) | A kind of exchange door roller | |
| CN205883089U (en) | Improve braking circuit's ac door - rolling machine | |
| CN206608091U (en) | A kind of DC. rolling-door machine of energy saving | |
| CN205986676U (en) | Three -phase AC rolling door machine brake equipment circuit | |
| CN209454574U (en) | The throttle and magnetic brake and power generation integrated system of electric car | |
| CN209651769U (en) | A kind of energy conservation double brake three-phase electric cucurbit | |
| CN103633890A (en) | Internal contracting brake controlling system and method | |
| CN205921365U (en) | Braking circuit takes three -phase rolling door machine circuit of delay effect's utensil open -phase protection | |
| CN206595923U (en) | A kind of three-phase door roller of energy saving | |
| CN102013787B (en) | Electromagnetic braking and controlling system of wind power generator | |
| CN205986106U (en) | Rolling door machine circuit of open -phase protection can effectively carry out | |
| CN208849631U (en) | A kind of electric generators for automobile |
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 |
Granted publication date: 20170222 Termination date: 20170826 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |