CN201323546Y - Electromagnetic contracting-brake rectifier controller - Google Patents
Electromagnetic contracting-brake rectifier controller Download PDFInfo
- Publication number
- CN201323546Y CN201323546Y CNU2008203035271U CN200820303527U CN201323546Y CN 201323546 Y CN201323546 Y CN 201323546Y CN U2008203035271 U CNU2008203035271 U CN U2008203035271U CN 200820303527 U CN200820303527 U CN 200820303527U CN 201323546 Y CN201323546 Y CN 201323546Y
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- circuit
- band
- brake coil
- type brake
- voltage
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Abstract
The utility model relates to an electromagnetic contracting-brake rectifier controller in an electric motor. The electromagnetic contracting-brake rectifier controller comprises a high-voltage semi-wave rectifier circuit and a contracting brake coil. The working power supplies power to the contracting brake coil by the high-voltage rectifier circuit when the motor works. The controller is characterized in that the controller also comprises a relay switch, a time-delay circuit and a contracting brake coil maintaining voltage circuit; which is characterize in that the relay switch is connected between the working power and the high-voltage rectifier circuit; the time-delay circuit controls the on-and-off of the relay switch; and the contracting brake coil maintaining voltage circuit is connected with the contracting brake coil. The electromagnetic contracting-brake rectifier controller significantly reduces the failure rate, thereby effectively protecting the contracting brake electromagnetic coil and obtaining good economic benefit.
Description
Technical field
The utility model relates to the electromagnetic brake commutation controller of motor.
Background technology
The normally closed type electromagnetic brake rectifier that existing motor brake adopts is that monomer bridge rectifier and motor combine together, during machine operation, rectifier voltage is under the higher control voltage of 170-190V, caloric value is big and fast, rectifier is installed as hermetically sealed form again, rectifier radiating condition extreme difference therefore very easily overheatedly burns rectifier.If rectifier is a punch through damage in the case, High AC voltage directly is added in band-type brake coil two ends, will blow by the band-type brake coil, and production is impacted, and causes economic loss.
The utility model content
Technical problem to be solved in the utility model provides a kind of electromagnetic brake commutation controller, overcomes the shortcoming that existing electromagnetic brake rectifier burns easily.
For solving the problems of the technologies described above, the utility model is analyzed the reason that existing electromagnetic brake commutation controller burns easily: when main cause is motor work, the band-type brake coil simultaneously electric opening, for the band-type brake coil provides under the higher control voltage that the band-type brake rectifier of direct current supply is in 170-190V for a long time, caloric value is big and fast.In fact, when electric motor starting, the band-type brake coil needs the high voltage of 170-190V, makes the magnet adhesive, opens band-type brake.After band-type brake was opened, the band-type brake coil did not need to keep the high voltage of 170-190V, and the voltage of keeping that only need only 70-85V gets final product.Therefore, the technical solution of the utility model is: a kind of electromagnetic brake commutation controller, comprise high pressure half-wave rectifying circuit, band-type brake coil, and during machine operation, working power is passed through described high-voltage rectifier to described band-type brake coil power supply; It is characterized in that, comprise that also relay switch, delay circuit, band-type brake coil keep potential circuit, be connected described relay switch between working power and the described high-voltage rectifier, described delay circuit is controlled the break-make of described relay switch, and described band-type brake coil is kept potential circuit and connected described band-type brake coil.
As preferred version, described band-type brake coil is kept potential circuit and is comprised that the band-type brake coil is kept voltage source, the band-type brake coil is kept voltage rectifying circuit, band-type brake coil starting resistor with keep the voltage time delay conversion circuit.
Further preferred, also comprise transformer, described transformer connects described working power, and described band-type brake coil is kept the secondary power supply that voltage source is described transformer.
Further, described band-type brake coil is kept between the secondary of potential circuit and described transformer and is connected diverter switch.
As the preferred version to delay circuit, described delay circuit comprises second rectification circuit, voltage stabilizing circuit and relay drive circuit.
As one of preferred, described voltage stabilizing circuit comprises circuit of three-terminal voltage-stabilizing integrated.
As another preferred, described delay driving circuit comprises time-delay and relay drive integrated circult.
Electromagnetic brake commutation controller of the present utility model greatly reduces failure rate, has protected the band-type brake solenoid effectively, has obtained good economic benefit.
Description of drawings
Below in conjunction with the drawings and specific embodiments the technical solution of the utility model is further described in detail.
Fig. 1 is a circuit structure diagram of the present utility model.
Embodiment
As shown in Figure 1, the working power of the 380v alternating voltage of motor connects the high pressure half-wave rectifying circuit that rectifier diode VD2, VD4 form behind relay switch K1, and the high pressure half-wave rectifying circuit is added in solenoid L end.
The working power of 380v alternating voltage is through transformer BT1, secondary end at transformer BT1 produces U1=85v, the alternating voltage of U2=70 is kept voltage source as the band-type brake coil, U1, U2 is by the changeable ac input end that is connected bridge rectifier D1 of diverter switch S1, the direct current positive output end of bridge rectifier D1 connects the end of solenoid L by rectifier diode VD5, the direct current negative output terminal of bridge rectifier D1 directly connects the other end of solenoid L, capacitor C 5 connects between the direct current positive output end and direct current negative output terminal of bridge rectifier D1, bridge rectifier D1, rectifier diode VD5, capacitor C 5 is formed the band-type brake coil and is kept voltage rectifying circuit, the band-type brake coil is kept voltage rectifying circuit and is transferred the 70-85V AC power to the 70-85v DC power supply, provides to the band-type brake coil and keeps voltage.The band-type brake coil is provided with a voltmeter V, range 0-250V, and an ammeter A, range 0-5A can show voltage, electric current on the band-type brake coil, is convenient to the artificial observation monitoring.
The second rectification circuit D2 connects the secondary of transformer BT1, and the dc supply of 12-19V is provided to voltage stabilizing circuit.Circuit of three-terminal voltage-stabilizing integrated IC1, capacitor C 1, C2, C3, resistance R 1, R2, rectifier diode VD3, VD4 form voltage stabilizing circuit, voltage stabilizing circuit changes the dc supply of the 12-19V that the second rectification circuit D2 provides into stable operating voltage 12V, is used for powering to delay circuit; Delay circuit comprises time-delay and current drives large scale integrated circuit IC2, resistance R 7, rectifier diode VD8, and time-delay acts on relay switch K1 with current drives large scale integrated circuit IC2.
Operation principle of the present utility model is: during starter motor, 380v alternating voltage input is after the secondary transformation of transformer BT1, the second rectification circuit D2 rectification, voltage stabilizing circuit voltage stabilizing, time-delay and driving large scale integrated circuit IC2 energising work, energising moment relay switch K1 adhesive conducting, make the 380v alternating voltage through relay tip K1 input high pressure half-wave rectifying circuit, 170-190V high voltage source after the halfwave rectifier is added in band-type brake coil L two ends, and band-type brake is opened, motor rotation.Simultaneously, the band-type brake coil of 70-85V is kept voltage and also is added in band-type brake coil L two ends all the time.
Behind delay time T, time-delay is sent instruction with driving large scale integrated circuit, and relay K 1 discharges and disconnects high pressure half-wave rectifying circuit dead electricity, keep the voltage source of keeping that potential circuit continues to provide to the band-type brake coil 70-85V by the band-type brake coil, realize bumpless transfer.
It should be noted last that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (7)
1. an electromagnetic brake commutation controller comprises high pressure half-wave rectifying circuit, band-type brake coil, and during machine operation, working power is passed through described high-voltage rectifier to described band-type brake coil power supply; It is characterized in that, comprise that also relay switch, delay circuit, band-type brake coil keep potential circuit, be connected described relay switch between working power and the described high-voltage rectifier, described delay circuit is controlled the break-make of described relay switch, and described band-type brake coil is kept potential circuit and connected described band-type brake coil.
2. electromagnetic brake commutation controller according to claim 1 is characterized in that, described band-type brake coil is kept potential circuit and comprised that the band-type brake coil is kept voltage source, the band-type brake coil is kept voltage rectifying circuit.
3. electromagnetic brake commutation controller according to claim 2 is characterized in that, also comprises transformer, and described transformer connects described working power, and described band-type brake coil is kept the secondary power supply that voltage source is described transformer.
4. electromagnetic brake commutation controller according to claim 3 is characterized in that, described band-type brake coil is kept between the secondary of potential circuit and described transformer and is connected diverter switch.
5. according to the described electromagnetic brake commutation controller of one of claim 1-4, it is characterized in that described delay circuit comprises second rectification circuit, voltage stabilizing circuit and relay drive circuit.
6. electromagnetic brake commutation controller according to claim 5 is characterized in that described voltage stabilizing circuit comprises circuit of three-terminal voltage-stabilizing integrated.
7. electromagnetic brake commutation controller according to claim 5 is characterized in that, described relay drive circuit comprises time-delay and relay drive integrated circult.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203035271U CN201323546Y (en) | 2008-12-19 | 2008-12-19 | Electromagnetic contracting-brake rectifier controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203035271U CN201323546Y (en) | 2008-12-19 | 2008-12-19 | Electromagnetic contracting-brake rectifier controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201323546Y true CN201323546Y (en) | 2009-10-07 |
Family
ID=41160918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008203035271U Expired - Fee Related CN201323546Y (en) | 2008-12-19 | 2008-12-19 | Electromagnetic contracting-brake rectifier controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201323546Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633890A (en) * | 2013-12-20 | 2014-03-12 | 西南铝业（集团）有限责任公司 | Internal contracting brake controlling system and method |
| CN105226974A (en) * | 2015-10-30 | 2016-01-06 | 快意电梯股份有限公司 | For the supply unit of elevator internal contracting brake coil |
-
2008
- 2008-12-19 CN CNU2008203035271U patent/CN201323546Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633890A (en) * | 2013-12-20 | 2014-03-12 | 西南铝业（集团）有限责任公司 | Internal contracting brake controlling system and method |
| CN105226974A (en) * | 2015-10-30 | 2016-01-06 | 快意电梯股份有限公司 | For the supply unit of elevator internal contracting brake coil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wuhan Corfu moral Automation Co., Ltd Assignor: Wuhan Iron & Steel (Group) Corp. Contract record no.: 2011420000134 Denomination of utility model: Electromagnetic contracting-brake rectifier controller Granted publication date: 20091007 License type: Exclusive License Record date: 20110621 |
|
| 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: 20091007 Termination date: 20171219 |