CN207738273U - A kind of anti-fall elevator of magnetic suspension - Google Patents
A kind of anti-fall elevator of magnetic suspension Download PDFInfo
- Publication number
- CN207738273U CN207738273U CN201721682686.2U CN201721682686U CN207738273U CN 207738273 U CN207738273 U CN 207738273U CN 201721682686 U CN201721682686 U CN 201721682686U CN 207738273 U CN207738273 U CN 207738273U
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- China
- Prior art keywords
- elevator
- electromagnet
- lift car
- permanent magnet
- relay
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Abstract
The utility model discloses a kind of anti-fall elevators of magnetic suspension, it is related to elevator safety technical field, for solving the problems, such as to prevent used during elevator falling from causing accident comprising elevator and lift car further include permanent magnet, electromagnet, velocity sensor, controller, relay and external power；The permanent magnet is set to elevator bottom and lift car outer bottom, and the permanent magnet of elevator bottom is identical as the permanent magnet opposite face magnetic pole of lift car outer bottom；Electromagnet is set to elevator sidewall and lift car outer wall, and the velocity sensor and relay are connect by conducting wire with controller respectively, and electromagnet and external power are connected to by conducting wire on relay.The utility model has advantage simple in structure, safe and reliable, and when velocity sensor detects that elevator declines hypervelocity, controller can connect external power to electromagnet automatically, and the purpose for preventing used during elevator falling is realized by the heteropolar attracting principle of magnet homopolar-repulsion.
Description
Technical field
The utility model is related to elevator safety technical fields, more particularly to a kind of anti-fall elevator of magnetic suspension.
Background technology
As skyscraper is continuously increased, elevator has become essential tool in people's life, meanwhile, with electricity
Ladder is popularized, and the security performance of elevator has also obtained most attention, although comparative maturity, performance have also compared elevator technology at present
It is more perfect, but security risk still remains, various elevator accidents emerge one after another, and cause prodigious injury and economic loss.
Existing Lift car type elevator, says from hardware, falling proof device speed limiter, safety tongs, buffer, end station protection
Device etc..Limiter of speed can reflect elevator actual motion speed, when elevator speed is more than permissible value, can send out electric signal and generate machine
Tool acts, and cuts off safety return circuit or safety tongs is forced to act.Safety tongs can generate gearing with limiter of speed, with mechanical action by car
Stop is mounted on the both sides of car or counterweight on guide rail by force.Buffer absorbs energy when car or counterweight shock pit,
Ensure car safety stop, there is spring and hydraulic type.End station protective device, which is one group, prevents elevator from surmounting end station up and down
Switch or forced speed change device, can cut off control loop or general supply before car or counterweight collision bumper, make elevator
Safety stop.However, the above safety device still cannot be accomplished to entirely prevent used during elevator falling, therefore, research one kind can be effective
It prevents used during elevator falling and the high elevator of reliability is of great significance.
Utility model content
The purpose of this utility model is that：In order to solve the problems, such as to prevent used during elevator falling from causing accident, providing one kind can lead to
Crossing the heteropolar attracting principle realization of magnet homopolar-repulsion prevents the anti-fall elevator of the magnetic suspension of used during elevator falling.
The utility model specifically uses following technical scheme to achieve the goals above：
A kind of anti-fall elevator of magnetic suspension, including elevator and lift car, further include permanent magnet, electromagnet, velocity pick-up
Device, controller, relay and external power；The permanent magnet is set to elevator bottom and lift car outer bottom, and elevator
The permanent magnet of bottom is identical as the permanent magnet opposite face magnetic pole of lift car outer bottom；Electromagnet is set to elevator sidewall and electricity
Terraced car outer wall, the velocity sensor and relay are connect by conducting wire with controller respectively, and electromagnet and external power are logical
Conducting wire is crossed to be connected on relay.
The operation principle of the utility model：The velocity sensor is used to detect the speed of elevator decline, and will detect
Data transmission to controller；The controller is also connect with relay, electromagnet and external power by conducting wire be connected to after
On electric appliance；When velocity sensor detects that elevator declines hypervelocity, controller controls external power and electromagnetism automatically by relay
Iron is connected；It is both provided with electromagnet due to elevator sidewall and with lift car outer wall, the electromagnet of elevator sidewall can be to electricity
The electromagnet of terraced car outer wall acts power, to hinder elevator to decline, achievees the effect that prevent used during elevator falling.The elevator
Bottom and lift car outer bottom are provided with permanent magnet, and the permanent magnetism of the permanent magnet of elevator bottom and lift car outer bottom
Iron phase opposite magnetic pole is identical, since magnet has the heteropolar attracting characteristic of homopolar-repulsion, when lift car falls to elevator shaft bottom
It can be buffered by the repulsive force between permanent magnet when portion, reduce caused by lift car falls and injure, be further ensured that elevator
Safety.
Further, electromagnet separation elevator sidewall the right and left of the elevator sidewall, both sides are distinguished linear etc.
Away from setting, and two neighboring electromagnet pole is opposite；The electromagnet of the lift car outer wall is respectively arranged on lift car outer wall
The right and left, both sides are linearly placed equidistant with respectively, and two neighboring electromagnet pole is also opposite.It can make elevator car by the method
Compartment uniform force and horizontal direction force balance, the active force of the electromagnet of elevator sidewall to the electromagnet of lift car outer wall
Resultant force hinders elevator to move downward in direction straight up, realizes the purpose for preventing used during elevator falling.
Further, connecting and disconnecting of the circuit between external power and electromagnet, the relay are controlled by controller in order to realize
Using electromagnetic relay, the low current signal so as to be sent by controller controls the high current break-make of dispatch from foreign news agency source circuit.
Further, the controller uses PLC, PLC to have reliability high, strong antijamming capability, using simple advantage,
Controller using PLC as the utility model can not only meet required control function, it is also ensured that device it is reliable
Property.
The beneficial effects of the utility model are as follows：
1. the anti-fall elevator of the utility model magnetic suspension is provided with electromagnet in elevator sidewall and lift car outer wall, work as speed
When degree sensor detects that elevator declines hypervelocity, controller automatically controls external power and is connected with electromagnet, passes through the work of electromagnet
Firmly lift car is hindered to decline, avoids lift car from quickly falling and cause the accident.
2. the anti-fall elevator of the utility model magnetic suspension is provided with permanent magnet in elevator bottom and lift car outer bottom, and
The permanent magnet of elevator bottom is identical as the permanent magnet opposite face magnetic pole of lift car outer bottom, when lift car falls to elevator
It can be buffered by the repulsive force between permanent magnet when bottom, reduce caused by lift car falls and injure, be further ensured that electricity
The safety of ladder.
Description of the drawings
Fig. 1 is the structural schematic diagram of the anti-fall elevator of the utility model magnetic suspension；
Fig. 2 is the work of electromagnet schematic diagram of the anti-fall elevator of the utility model magnetic suspension；
Reference numeral：1- elevators, 2- lift cars, 3- permanent magnets, 4- electromagnet, 5- velocity sensors.
Specific implementation mode
In order to which those skilled in the art are better understood from the utility model, below in conjunction with the accompanying drawings with following embodiment to this
Utility model is described in further detail.
Embodiment 1
As shown in Fig. 1 to 2, the present embodiment provides a kind of anti-fall elevators of magnetic suspension, including elevator 1 and lift car 2, also
Including permanent magnet 3, electromagnet 4, velocity sensor 5, controller, relay and external power；The permanent magnet 3 is set to elevator
2 outer bottom of 1 bottom and lift car, and 3 opposite face of permanent magnet of the permanent magnet 3 of 1 bottom of elevator and 2 outer bottom of lift car
Magnetic pole is identical；Electromagnet 4 is set to 2 outer wall of 1 side wall of elevator and lift car, the velocity sensor 5 and relay difference
It is connect with controller by conducting wire, electromagnet 4 and external power are connected to by conducting wire on relay, by electromagnet 4 and forever
Magnet 3 can prevent used during elevator falling from causing the accident.
The velocity sensor 5 is used to detect the speed of elevator decline, and by the data transmission detected to controller；Institute
It states controller also to connect with relay, electromagnet 4 and external power are connected to by conducting wire on relay；When velocity sensor 5
When detecting that elevator declines hypervelocity, controller is connected automatically by relay control external power with electromagnet 4；Due to elevator 1
Side wall and it is both provided with electromagnet 4 with 2 outer wall of lift car, the electromagnet 4 of 1 side wall of elevator can be to 2 outer wall of lift car
Electromagnet 4 acts power, to hinder elevator to decline, achievees the effect that prevent used during elevator falling.1 bottom of the elevator and electricity
2 outer bottom of terraced car is provided with permanent magnet 3, and 3 phase of permanent magnet of the permanent magnet 3 of 1 bottom of elevator and 2 outer bottom of lift car
Opposite magnetic pole is identical, since magnet has the heteropolar attracting characteristic of homopolar-repulsion, when lift car 2 falls to 1 bottom of elevator
When can be buffered by the repulsive force between permanent magnet 3, reduce lift car 2 fall caused by injure, be further ensured that elevator
Safety.
Embodiment 2
As shown in Fig. 1 to 2, the present embodiment provides a kind of anti-fall elevators of magnetic suspension, including elevator 1 and lift car 2, also
Including permanent magnet 3, electromagnet 4, velocity sensor 5, controller, relay and external power；The permanent magnet 3 is set to elevator
2 outer bottom of 1 bottom and lift car, and 3 opposite face of permanent magnet of the permanent magnet 3 of 1 bottom of elevator and 2 outer bottom of lift car
Magnetic pole is identical；Electromagnet 4 is set to 2 outer wall of 1 side wall of elevator and lift car, the velocity sensor 5 and relay difference
It is connect with controller by conducting wire, electromagnet 4 and external power are connected to by conducting wire on relay, by electromagnet 4 and forever
Magnet 3 can prevent used during elevator falling from causing the accident.
Separation 1 side wall the right and left of elevator of electromagnet 4 of 1 side wall of the elevator, both sides are linearly equidistantly set respectively
It sets, and 4 magnetic pole of two neighboring electromagnet is opposite；The electromagnet 4 of 2 outer wall of the lift car is respectively arranged on 2 outer wall of lift car
The right and left, both sides are linearly placed equidistant with respectively, and 4 magnetic pole of two neighboring electromagnet is also opposite.It can make elevator by the method
2 uniform force of car and horizontal direction force balance, the electromagnet 4 of the electromagnet 4 of 1 side wall of elevator to 2 outer wall of lift car
Active force resultant force in direction straight up, hinder elevator to move downward, realize the purpose for preventing used during elevator falling.
Embodiment 3
As shown in Fig. 1 to 2, the present embodiment provides a kind of anti-fall elevators of magnetic suspension, including elevator 1 and lift car 2, also
Including permanent magnet 3, electromagnet 4, velocity sensor 5, controller, relay and external power；The permanent magnet 3 is set to elevator
2 outer bottom of 1 bottom and lift car, and 3 opposite face of permanent magnet of the permanent magnet 3 of 1 bottom of elevator and 2 outer bottom of lift car
Magnetic pole is identical；Electromagnet 4 is set to 2 outer wall of 1 side wall of elevator and lift car, the velocity sensor 5 and relay difference
It is connect with controller by conducting wire, electromagnet 4 and external power are connected to by conducting wire on relay, by electromagnet 4 and forever
Magnet 3 can prevent used during elevator falling from causing the accident.
In order to realize that the relay is using electricity by the connecting and disconnecting of the circuit between controller control external power and electromagnet 4
Magnetic relay, the low current signal so as to be sent by controller control the high current break-make of dispatch from foreign news agency source circuit.
In addition, in order to improve the reliability of controller, the controller uses PLC, PLC to have reliability height, anti-interference
Ability is strong and uses simple advantage, the controller using PLC as the utility model that can not only meet required control work(
It can, it is also ensured that the reliability of device.
The above, the only preferred embodiment of the utility model, are not intended to limit the utility model, the utility model
Scope of patent protection be subject to claims, it is equivalent made by every specification and accompanying drawing content with the utility model
Structure change similarly should be included in the scope of protection of the utility model.
Claims (7)
1. a kind of anti-fall elevator of magnetic suspension, including elevator (1) and lift car (2), it is characterised in that：It further include permanent magnet
(3), electromagnet (4), velocity sensor (5), controller, relay and external power；The permanent magnet (3) is set to elevator
(1) bottom and lift car (2) outer bottom, and the permanent magnet (3) of elevator (1) bottom and lift car (2) outer bottom are forever
Magnet (3) opposite face magnetic pole is identical；Electromagnet (4) is set to elevator (1) side wall and lift car (2) outer wall, the speed
Sensor (5) and relay are connect by conducting wire with controller respectively, electromagnet (4) and external power by conducting wire be connected to after
On electric appliance.
2. the anti-fall elevator of a kind of magnetic suspension according to claim 1, it is characterised in that：The electricity of elevator (1) side wall
Magnet (4) separation elevator (1) side wall the right and left, and both sides are linearly placed equidistant with respectively.
3. the anti-fall elevator of a kind of magnetic suspension according to claim 1 or 2, it is characterised in that：Elevator (1) side wall
Two neighboring electromagnet (4) magnetic pole is opposite.
4. the anti-fall elevator of a kind of magnetic suspension according to claim 1, it is characterised in that：Lift car (2) outer wall
Electromagnet (4) is respectively arranged on lift car (2) outer wall the right and left, and both sides are linearly placed equidistant with respectively.
5. the anti-fall elevator of a kind of magnetic suspension according to claim 1 or 4, it is characterised in that：Lift car (2) outer wall
Two neighboring electromagnet (4) magnetic pole it is opposite.
6. the anti-fall elevator of a kind of magnetic suspension according to claim 1, it is characterised in that：The relay uses electromagnetism relay
Device.
7. the anti-fall elevator of a kind of magnetic suspension according to claim 1, it is characterised in that：The controller uses PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721682686.2U CN207738273U (en) | 2017-12-06 | 2017-12-06 | A kind of anti-fall elevator of magnetic suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721682686.2U CN207738273U (en) | 2017-12-06 | 2017-12-06 | A kind of anti-fall elevator of magnetic suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207738273U true CN207738273U (en) | 2018-08-17 |
Family
ID=63116903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721682686.2U Expired - Fee Related CN207738273U (en) | 2017-12-06 | 2017-12-06 | A kind of anti-fall elevator of magnetic suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207738273U (en) |
-
2017
- 2017-12-06 CN CN201721682686.2U patent/CN207738273U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20180817 Termination date: 20191206 |