CN104358698A - Brake device for remotely controlling axial flow fan - Google Patents
Brake device for remotely controlling axial flow fan Download PDFInfo
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- CN104358698A CN104358698A CN201410565948.1A CN201410565948A CN104358698A CN 104358698 A CN104358698 A CN 104358698A CN 201410565948 A CN201410565948 A CN 201410565948A CN 104358698 A CN104358698 A CN 104358698A
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- brake
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- telecontrol
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Abstract
The invention discloses a brake device for remotely controlling an axial flow fan. The device comprises a motor, a disc-shaped brake system, an on-site/remote control box and a control system, wherein the disc-shaped brake system comprises a brake disc, an electromagnetic brake main body, an electromagnetic relay containing a 485 interface and a speed sensor; the brake disc of the disc-shaped brake system is mounted on the rear stretching shaft of the motor; when braking is needed, the control system is used for receiving a braking command sent out by the on-site/remote control box and sending a signal to the electromagnetic relay containing the 485 interface, so that the electromagnetic relay is sucked with the brake disc to realize the braking of the motor. According to the brake device, an advanced disc-shaped brake device is designed, remote control is conducted by adopting the control system through the 485 interface, and the brake device has the advantages of high reliability in braking, good convenience in operation, simplicity in maintenance and the like.
Description
Technical field
The invention belongs to ventilation equipment, be specifically related to a kind of braking device of telecontrol propeller fan.
Background technique
Coal mine ground propeller fan is the main large-scale ventilation equipment of mine, directly affects the safety in production of down-hole.When another main frame enabled by ventilator replacing main frame or directly wind is returned in reversion, need of short duration power-off, now need to be equipped with braking device to reduce spindle speed or braking.
The Inner that the braking device of existing coal Coal Mine Axial Flow Fan generally adopts artificial pull bar to control rises drum brake, and the control of this braking device can only use and be positioned at blower fan position of host machine and pull pull bar and brake, and control operation is very inconvenient.At present, still coal Coal Mine Axial Flow Fan is not carried out to the precedent of long-range braking.
Summary of the invention
The operation inconvenience that the braking device that the object of the invention is to overcome existing propeller fan exists, the problems such as braking reliability is low, there is provided one to carry out telecontrol, braking reliability is high, simple operation, safeguards the braking device of simple telecontrol propeller fan.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of braking device of telecontrol propeller fan, it is characterized in that: comprise motor, dish-like brake system, on the spot/telecontrol case and tele-control system, wherein, dish-like brake system comprises brake disc, electromagnetic brake main body, containing electromagnetic relay and the speed probe of 485 interfaces, stretch on axle after the brake disc of dish-like brake system is arranged on motor, electromagnetic brake main body be fixed on mine axial flow formula ventilator every stream chamber inwall on, be arranged in electromagnetic brake main body containing the electromagnetic relay of 485 interfaces and speed probe, electromagnetic relay containing 485 interfaces is positioned at outside brake disc, the outer end of axle stretched by speed probe after being positioned at motor, speed probe detects the rotating speed of motor in real time, and is transferred to detecting the rate signal that obtains on the spot/telecontrol case and tele-control system by 485 interfaces of electromagnetic relay containing 485 interfaces, on the spot/telecontrol case is connected with tele-control system, and can switch under local operation and remote operation two states, brake instruction sends tele-control system to by the spot/telecontrol case, when needs brake, tele-control system accepts the brake instruction that on the spot/telecontrol case sends, and sends a signal to the electromagnetic relay containing 485 interfaces, makes itself and brake disc adhesive, thus realizes the braking to motor.
The described electromagnetic relay containing 485 interfaces, its friction plate is the explosion-proof friction plate of mining elevator disk brake shoe type.
The braking device of telecontrol propeller fan of the present invention compared with prior art, human oriented design has been carried out to the braking device of propeller fan, devise advanced dish-like braking device, tele-control system is adopted to carry out telecontrol by 485 interfaces, improve the reliability of braking device greatly, make operation more convenient, safeguard simple.
Accompanying drawing explanation
Fig. 1 is present system composition schematic diagram (plan view);
Fig. 2 is present system composition schematic diagram (plan view);
Fig. 3 is braking principle figure of the present invention;
Fig. 4 is that the embodiment of the present invention two forms schematic diagram (plan view);
Fig. 5 is that the embodiment of the present invention two forms schematic diagram (plan view).
In figure, stretch after 1-motor, 2-motor axle, the dish-like brake system of 3-, 4-brake disc, 5-containing the electromagnetic relay of 485 interfaces, 6-electromagnetic brake main body, 7-speed probe, 8-on the spot/telecontrol case, 9-tele-control system.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1 to Figure 2, a kind of braking device of telecontrol propeller fan, comprise motor 1, dish-like brake system 3, on the spot/telecontrol case 8 and tele-control system 9, wherein, dish-like brake system comprise brake disc 4, electromagnetic brake main body 6, containing the electromagnetic relay 5 of 485 interfaces and speed probe 7, containing the electromagnetic relay of 485 interfaces, its friction plate is the explosion-proof friction plate of mining elevator disk brake shoe type; Stretch on axle 2 after the brake disc of dish-like brake system is arranged on motor, electromagnetic brake main body be fixed on mine axial flow formula ventilator every stream chamber inwall on, be arranged in electromagnetic brake main body containing the electromagnetic relay of 485 interfaces and speed probe, electromagnetic relay containing 485 interfaces is positioned at outside brake disc, and the outer end of axle stretched by speed probe after being positioned at motor; Speed probe detects the rotating speed of motor in real time, and transfers to tele-control system by detecting the rate signal obtained by 485 interfaces of the electromagnetic relay containing 485 interfaces, thus controls electromagnetic relay; On the spot/telecontrol case is connected with tele-control system, and can switch under local operation and remote operation two states, brake instruction sends tele-control system to by the spot/telecontrol case.
The braking device of telecontrol propeller fan is structure open in usual, it by electromagnetic brake main body be arranged on together with motor mine axial flow formula ventilator every stream chamber in, during the energising work of mine axial flow formula ventilator, the braking device of telecontrol propeller fan is in the state of declutching, namely brake disc is in separated state with the electromagnetic relay containing 485 interfaces, and motor rotates; When needs brake, tele-control system accepts the brake instruction that on the spot/telecontrol case sends, and sends a signal to the electromagnetic relay containing 485 interfaces, makes itself and brake disc adhesive, thus realizes the braking to motor.
On the spot/telecontrol case is equipped with brake button; Tele-control system adopts programmable controller (PLC) control system.When tele-control system receives after rotating speed that speed probe detects motor in real time reaches specified value, brake button is connected and is sent brake instruction, and tele-control system accepts the brake instruction that on the spot/telecontrol case sends, and makes brake disc and the adhesive of brake main body.Generally, by sending 3 brake instruction continuously within 5-8 second, motor gradual braking can be guaranteed.
Embodiment one
The braking device braking of single telecontrol propeller fan, only need the braking device of a set of telecontrol propeller fan, stretch on axle after the brake disc of dish-like brake system is arranged on motor, electromagnetic brake main body be fixed on mine axial flow formula ventilator every stream chamber inwall on, be arranged in electromagnetic brake main body containing the electromagnetic relay of 485 interfaces and speed probe, electromagnetic relay containing 485 interfaces is positioned at outside brake disc, and the outer end of axle stretched by speed probe after being positioned at motor; Speed probe detects the rotating speed of motor in real time, and transfers to tele-control system by detecting the rate signal obtained by 485 interfaces of the electromagnetic relay containing 485 interfaces; On the spot/telecontrol case is connected with tele-control system, and can switch under local operation and remote operation two states, brake instruction sends tele-control system to by the spot/telecontrol case.
During the energising work of mine axial flow formula ventilator, the braking device of telecontrol propeller fan is in the state of declutching; When needs brake, tele-control system accepts the brake instruction that on the spot/telecontrol case sends, and sends a signal to the electromagnetic relay containing 485 interfaces, makes itself and brake disc adhesive, thus realizes the braking to motor.
Embodiment two
According to operation needs, the motor of mine axial flow formula ventilator has multiple different model, high for rotating speed, bulky motor, braking moment needed for it is corresponding increase also, at this moment, only just cannot realize effectively having braked with the braking device of a set of telecontrol propeller fan, therefore, need to install multiple electromagnetic brake main body and the electromagnetic relay containing 485 interfaces additional according to the size of brake disc.
As shown in Figure 3, the present embodiment coordinates installation four electromagnetic brake main bodys, four electromagnetic relays containing 485 interfaces and a speed probe to be described for a brake disc.
Four electromagnetic relays containing 485 interfaces are arranged in four electromagnetic brake main bodys respectively, four electromagnetic brake main bodys be all fixed on mine axial flow formula ventilator on the inwall in stream chamber.Four electromagnetic relays containing 485 interfaces are positioned at outside brake disc, and be uniformly distributed by primitive axis direction, the outer end of axle stretched by speed probe after being positioned at motor; Speed probe detects the rotating speed of motor in real time, and transfers to tele-control system by detecting the rate signal obtained by four 485 interfaces containing the electromagnetic relay of 485 interfaces; On the spot/telecontrol case is connected with tele-control system, and can switch under local operation and remote operation two states, brake instruction sends tele-control system to by the spot/telecontrol case.
During the energising work of mine axial flow formula ventilator, brake disc and four electromagnetic relays containing 485 interfaces are all in separated state; When needs brake, tele-control system accepts the brake instruction that sends of on the spot/telecontrol case, and sends a signal to four electromagnetic relays containing 485 interfaces simultaneously, make its simultaneously with brake disc adhesive, motor is braked simultaneously.
Claims (2)
1. the braking device of a telecontrol propeller fan, it is characterized in that: comprise motor, dish-like brake system, on the spot/telecontrol case and tele-control system, wherein, dish-like brake system comprises brake disc, electromagnetic brake main body, containing electromagnetic relay and the speed probe of 485 interfaces, stretch on axle after the brake disc of dish-like brake system is arranged on motor, electromagnetic brake main body be fixed on mine axial flow formula ventilator every stream chamber inwall on, be arranged in electromagnetic brake main body containing the electromagnetic relay of 485 interfaces and speed probe, electromagnetic relay containing 485 interfaces is positioned at outside brake disc, the outer end of axle stretched by speed probe after being positioned at motor, speed probe detects the rotating speed of motor in real time, and is transferred to detecting the rate signal that obtains on the spot/telecontrol case and tele-control system by 485 interfaces of electromagnetic relay containing 485 interfaces,
On the spot/telecontrol case is connected with tele-control system, and can switch under local operation and remote operation two states, brake instruction sends tele-control system to by the spot/telecontrol case; When needs brake, tele-control system accepts the brake instruction that on the spot/telecontrol case sends, and sends a signal to the electromagnetic relay containing 485 interfaces, makes itself and brake disc adhesive, thus realizes the braking to motor.
2. the braking device of telecontrol propeller fan according to claim 1, is characterized in that: the described electromagnetic relay containing 485 interfaces, its friction plate is the explosion-proof friction plate of mining elevator disk brake shoe type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410565948.1A CN104358698A (en) | 2014-10-22 | 2014-10-22 | Brake device for remotely controlling axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410565948.1A CN104358698A (en) | 2014-10-22 | 2014-10-22 | Brake device for remotely controlling axial flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104358698A true CN104358698A (en) | 2015-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410565948.1A Pending CN104358698A (en) | 2014-10-22 | 2014-10-22 | Brake device for remotely controlling axial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104358698A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3575527A (en) * | 1968-07-11 | 1971-04-20 | Matsushita Seiko Kk | Electric fan |
| JPS4843311B1 (en) * | 1969-03-20 | 1973-12-18 | ||
| GB2011006A (en) * | 1977-12-27 | 1979-07-04 | Gen Motors Corp | Clutch and brake unit |
| GB2148395B (en) * | 1983-10-24 | 1987-06-24 | Mannesmann Ag | Brakes for multistage compressors |
| CN102425625A (en) * | 2011-09-28 | 2012-04-25 | 黑龙江建龙钢铁有限公司 | Braking device for air blower of bar heating furnace in steel rolling mill |
| CN103036487A (en) * | 2012-12-13 | 2013-04-10 | 四川九洲电器集团有限责任公司 | Braking controller used for direct current motor with brush |
| CN103591041A (en) * | 2013-11-30 | 2014-02-19 | 南阳防爆集团股份有限公司 | Intelligent coal mine local ventilation system |
| CN204267341U (en) * | 2014-10-22 | 2015-04-15 | 山西省安瑞风机电气有限公司 | The braking device of telecontrol propeller fan |
-
2014
- 2014-10-22 CN CN201410565948.1A patent/CN104358698A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3575527A (en) * | 1968-07-11 | 1971-04-20 | Matsushita Seiko Kk | Electric fan |
| JPS4843311B1 (en) * | 1969-03-20 | 1973-12-18 | ||
| GB2011006A (en) * | 1977-12-27 | 1979-07-04 | Gen Motors Corp | Clutch and brake unit |
| GB2148395B (en) * | 1983-10-24 | 1987-06-24 | Mannesmann Ag | Brakes for multistage compressors |
| CN102425625A (en) * | 2011-09-28 | 2012-04-25 | 黑龙江建龙钢铁有限公司 | Braking device for air blower of bar heating furnace in steel rolling mill |
| CN103036487A (en) * | 2012-12-13 | 2013-04-10 | 四川九洲电器集团有限责任公司 | Braking controller used for direct current motor with brush |
| CN103591041A (en) * | 2013-11-30 | 2014-02-19 | 南阳防爆集团股份有限公司 | Intelligent coal mine local ventilation system |
| CN204267341U (en) * | 2014-10-22 | 2015-04-15 | 山西省安瑞风机电气有限公司 | The braking device of telecontrol propeller fan |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150218 |