CN105064869B - The door body magnetic suspension structure and its control method of a kind of door system - Google Patents

The door body magnetic suspension structure and its control method of a kind of door system Download PDF

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Publication number
CN105064869B
CN105064869B CN201510566622.5A CN201510566622A CN105064869B CN 105064869 B CN105064869 B CN 105064869B CN 201510566622 A CN201510566622 A CN 201510566622A CN 105064869 B CN105064869 B CN 105064869B
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China
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door body
doorframe
door
electromagnet
magnetic suspension
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CN201510566622.5A
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CN105064869A (en
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崔皆凡
刘旭
逯大星
李�一
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Shenyang University of Technology
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Shenyang University of Technology
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Abstract

The present invention relates to the door body magnetic suspension structure and its control method of a kind of door system, the door body magnetic suspension structure of door system includes doorframe and door body;Door body is I-shaped, and doorframe includes upper end doorframe and lower end doorframe, and upper end doorframe is provided with " trapezoidal " inside groove with lower end doorframe;Electromagnet is set in door body and doorframe.Door body is suspended in doorframe by the electromagnetic force of electromagnet, making a concerted effort of making that it is subject to is the tractive force in its direction of motion.The physical location of door body is detected by door body position sensor, control input adjusts the position of door body, it is ensured that door body even suspension in whole motion process to the size and Orientation of electric current in electromagnet respectively, completes the actual act of whole door system.The door body magnetic suspension structure can well solve the problems, such as frictional dissipation and the dynamic response of door opening and closing system.Contactless magnetic inductive control method, the driving that can effectively solve current door system is complicated, and control is cumbersome, the problems such as with high costs.

Description

The door body magnetic suspension structure and its control method of a kind of door system
Technical field
The invention belongs to door system technical field, a kind of door body magnetic suspension structure for realizing door system and its control are referred specifically to Method.
Background technology
With the economic development with science and technology, door system develops into multifunction gate system via traditional manually operated door, more next More door systems are applied to each corner of city.But because it is generally using door body and door frame contact formula structure, door body fortune Friction is produced during dynamic, the abrasion of door body and doorframe is caused, ear-piercing noise can be also produced, and increase the need to driving force Ask, dynamic response is poor.Simultaneously generally using the contact control mode of conventional motors dragging, driving structure is complicated, control process It is cumbersome, whole door system it is with high costs.
Magnetic suspension is enjoyed compared with some the advantages of tradition machinery control system dynamic property is good, mechanical loss is small and is easily achieved Concern.But so far, real application of the magnetic levitation technology on door system still falls within a blind spot.Most of door system is still It is so the partial suspended that door body is realized by some mechanical structures, some so-called magnetic suspension door systems, are still to utilize one A little specific type of electric machines or suspension bearing realize the partial suspended of door system, and cost is high, high to mechanical design requirements, while dimension Shield is very inconvenient, is still not belonging to magnetic suspension door system truly.
Traditional accelerator control system, still be unable to do without the driving of motor, or even some suspension door systems are needed with some spies Different complicated machinery drive mechanism, special drive device or specific type of electric machine are cost, although solve traditional door system control Some problems, but bring increasingly complex actual application problem, and it realizes the so-called control that suspends, can not be fundamentally complete Portion solve door system some such as be lost, sensitivity, cost performance, safely requirement.
The content of the invention
Goal of the invention:
The present invention discloses the door body magnetic suspension structure and its control method of a kind of door system.The door body suspension structure, can be with After solving the problems, such as that current door system frictional dissipation and dynamic response during switch motion, door body suspend well, Ke Yitong The power for crossing very little is controlled to door body motion state.Contactless magnetic inductive control method, can effectively solve current door system The driving of system is complicated, and control is cumbersome, the problems such as with high costs.
The technical scheme is that:
A kind of door body magnetic suspension structure of door system, including doorframe and door body;It is characterized in that:Door body is I-shaped, Doorframe includes upper end doorframe and lower end doorframe, and upper end doorframe is provided with " trapezoidal " inside groove with lower end doorframe;In door body and doorframe Electromagnet is set;Electromagnet is divided into:Vertical magnet, levels electromagnetic iron and balance electromagnet;Vertical magnet is respectively placed at In door body upper end side-lower and corresponding upper end doorframe open end inner side and door body bottom inside front and and its Corresponding lower end doorframe open end inner side;Levels electromagnetic iron is placed in the vertical component of door body, symmetrical above and below;Balanced electromagnetic iron It is respectively placed at the door body upper end left and right sides and the bottom left and right sides, and upper end corresponding with them doorframe and lower end door The inframe portion left and right sides;The upside at middle part is provided with door body position sensor with the left and right sides in door body upper end;Door body middle part peace Equipped with ultrasonic distance-measuring sensor;Upper end doorframe top is provided with control unit.
It is placed in electromagnet in door body isometric with door body, is placed in electromagnet on doorframe isometric with doorframe.
Setting magnetic property is good in door body and doorframe and is wound with the electromagnet of good wire.
Control unit includes rectification unit, current regulation unit and master controller, and rectification unit connects electric current regulation respectively Unit, master controller, door body position sensor and ultrasonic distance-measuring sensor;Door body position sensor and ultrasonic ranging are sensed Device connects master controller, and master controller connection current regulation unit, current regulation unit connects levels electromagnetic iron, vertical electricity respectively Magnet and balance electromagnet.
A kind of contactless magnetic inductive control method of door system as described above, it is characterised in that:With levels electromagnetic iron generation For current door system motor driver;After vertical magnet is powered, door body is subject to electromagnet on upper end doorframe and lower end doorframe Electromagnetism make a concerted effort to be suspended in upper end doorframe and lower end doorframe with its suffered gravitational equilibrium, door body;Door body position sensor is detected Door body position signalling, is adjusted by vertical magnet and balance electromagnet opposite house body position, makes the outstanding of door body uniform and stable In floating on upper end doorframe and lower end doorframe;Stream of people's signal in front of the door is gathered by ultrasonic distance-measuring sensor, and the signal is incoming To in control unit, control unit controlled level electromagnet internal current size direction makes door body be subject to horizontal cross change Electromagnetic force, steady suspended motion, realizes the actual act mode of whole door body in upper end doorframe and lower end doorframe.
Advantage and effect:
Present invention employs new door body magnetic suspension structure and its control method, change in traditional door system structure with Control method, devises the new door body doorframe structure of suitable door system control, with the new contactless magnetic strength based on electromagnet Answer formula control method.
Make door body even suspension in doorframe to ensure door body frictionless motion, after door body suspension, can be by very little Electromagnetic force is controlled to door body motion state, door system frictional dissipation and dynamic during switch motion is solved well and is rung Answer problem.Driven instead of conventional motors using electromagnet simultaneously, realize contactless magnetic inductive control method, can effectively solved The driving of current door system is complicated, and control is cumbersome, the problems such as with high costs.
Brief description of the drawings:
Fig. 1 is the sectional structure chart of door system door body magnetic suspension structure.
Fig. 2 is door system door body magnetic suspension structure door body three-dimensional structure diagram.
Fig. 3 is door system door body magnetic suspension structure upper end doorframe three-dimensional structure diagram.
Fig. 4 is door system door body magnetic suspension structure overall plan view.
Fig. 5 is control unit structural representation.
Fig. 6 is the main controller circuit figure of control unit.
Fig. 7 is the rectification unit circuit diagram of control unit.
Fig. 8 is the detection module of control unit(That is door body position sensor 7 and ultrasonic distance-measuring sensor 11)Circuit diagram.
Fig. 9 is the current regulation unit circuit diagram of control unit.
Specific embodiment:
Door opening and closing system design philosophy of the invention is:New door body doorframe structure is designed, door body is suspended in doorframe, Making a concerted effort suffered by door body is the tractive force of the control door body direction of motion, because door body and doorframe do not come in contact formula friction, greatly The big dynamic response time and required driving force reduced during door body action control, only need to produce traction by changing The electromagnet inside conductor size of current of power and direction, it is possible to control door body actual motion state.
The present invention will be described in detail below in conjunction with the accompanying drawings.
A kind of door body magnetic suspension structure of door system, as Figure 1-Figure 4, including doorframe and door body;It is characterized in that:Door Body 4 is I-shaped, and doorframe includes upper end doorframe 1 and lower end doorframe 6, upper end doorframe 1 and lower end doorframe 6 be provided with door body Adaptable " trapezoidal " inside groove in bottom;Electromagnet is set in door body and doorframe;Electromagnet is divided into:Vertical magnet 2, level electricity Magnet 3 and balance electromagnet 5;Vertical magnet 2 is respectively placed at side-lower and corresponding upper end door in the upper end of door body 4 The open end of frame 1 inner side and the bottom inside front of door body 4 and the corresponding open end of lower end doorframe 6 inner side;Level electricity Magnet 3 is placed in the vertical component of door body 4, symmetrical above and below;Balanced electromagnetic iron 5 is respectively placed at the upper end left and right sides of door body 4 With the bottom left and right sides, and upper end corresponding with them doorframe 1 and the inside left and right sides of lower end doorframe 6;In the upper end of door body 4 The upside at middle part is provided with door body position sensor 7 with the left and right sides;The middle part of door body 4 is provided with ultrasonic distance-measuring sensor 11; The top of upper end doorframe 1 is provided with control unit 12.
As shown in figure 5, control unit 12 includes rectification unit 8, current regulation unit 9 and master controller 10, rectification unit 8 Current regulation unit 9, master controller 10, door body position sensor 7 and ultrasonic distance-measuring sensor 11 are connected respectively;Door body position Sensor 7 and the connection master controller 10 of ultrasonic distance-measuring sensor 11, the connection current regulation unit 9 of master controller 10, electric current are adjusted Section unit 9 connects levels electromagnetic iron 3, vertical magnet 2 and balance electromagnet 5 respectively.
The door system is also attached with power supply simultaneously;Power supply is directly connected to the input of control unit 12, control unit 12 Output terminates to electromagnet lead-out wire.The alternating current that be passed through for power supply by rectification unit 8 and current regulation unit 9 in control unit It is modulated to during the direct current of different directions size each leads into each electromagnet, adjusts the position of door body 4, controls the opening and closing of door body 4, So that door system can be with normal work.
It is placed in electromagnet in door body isometric with door body, is placed in electromagnet on doorframe isometric with doorframe.So can be with Ensure that whole door body continues uniform force between stress, and the electromagnet of any two pieces of interactions in motion process, it is to avoid Door body run-off the straight, even if receiving external force run-off the straight, it is also possible to quickly recover to normal operating conditions.
Door body is with setting magnetic property is good in doorframe and is wound with the electromagnet of good wire.One side conductor resistance is small, magnetic conduction Performance is good so that loss is small, it is to avoid the waste of energy;On the other hand, generate heat few, reduce the temperature inside doorframe and door body Degree so that whole system is more stablized.
The contactless magnetic inductive control method of above-mentioned door system, replaces current door system motor to drive with levels electromagnetic iron 3 Dynamic device;After vertical magnet 2 is powered, door body 4 is subject to the electromagnetism of electromagnet on upper end doorframe 1 and lower end doorframe 6 to make a concerted effort and it Suffered gravitational equilibrium, door body 4 is suspended in upper end doorframe 1 and lower end doorframe 6;The detection door body of door body position sensor 7 position letter Number, positional information is passed in control unit 12, control unit 12 controls to be passed into vertical magnet 2 and balanced electromagnetic respectively The size and Orientation of electric current in iron 5, is adjusted by vertical magnet 2 and balance electromagnet 5 to the position of door body 4, makes door body 4 Uniform and stable is suspended in upper end doorframe 1 and lower end doorframe 6;The stream of people in front of the door is gathered by ultrasonic distance-measuring sensor 11 to believe Number, and the signal is passed in control unit 12, the internal current size direction of 12 controlled level electromagnet of control unit 3 makes Door body 4 is subject to the electromagnetic force of horizontal cross change, and steady suspended motion, realizes whole door in upper end doorframe 1 and lower end doorframe 6 The actual act mode of body.
As shown in Fig. 6-Fig. 9, Fig. 6, Fig. 7, Fig. 8 and Fig. 9 constitute control unit to the circuit diagram of control unit 12 on the whole Circuit diagram, because a width figure is failed to lay down, Fig. 6 is split as main controller circuit figure according to module, and Fig. 7 is rectification unit circuit Figure, Fig. 8 is detection module circuit diagram, and Fig. 9 is current regulation unit circuit diagram.
Wherein, master controller 10 can be main control chip from stm32F103C8, be D/A converter from PCF8591.It is main Control chip exports digital quantity signal after computing, in D/A converter, D/A converter output analog quantity voltage value.
The function of current regulation unit 9 is that adjustment is input to the electric current that is wound with the electromagnet of good wire and is added in thereon Voltage.Voltage from D/A converter output is by in-phase proportion amplifying circuit(That is LM741 and resistance R1, R7, R9, R13 composition Circuit, in addition seven it is same)Amplify, be input to DC/DC conversion modules, voltage is further amplified, be then input into To rheostat and electromagnet, rheostatic effect is regulation electric current so that connect each branch road electricity on same DC/DC converters Stream is essentially identical, and another effect is protection circuit, limits electric current.
Solenoid modules in figure in current regulation unit are electromagnet, and L and R above refer to electromagnet the right and left Each connector lug.Magnetic property is good and is wound with the electromagnet of good wire, could be arranged to 20 pieces, is powered and divides 8 groups.Iron core is length Cube, all of electromagnet winding mode is the same, and the two pieces of electromagnet placement directions for interacting are consistent, to ensure two phases The direction of power is correct between the electromagnet of interaction.For example, the vertical electromagnetism on door body upper vertical electromagnet and upper door frame Iron is the electromagnet of a Thermodynamic parameters, if direction of winding is consistent and placement direction consistent, if electromagnet in door body from Left side connector lug is powered, and the electromagnet on doorframe is powered from the right connector lug, then they are powered in opposite direction, but their phase Interreaction force is attracting.
By alternating current 220V, 50Hz AC conversions are 15V, 5V, 3.3V direct current, to electricity to the rectification unit being connected with power supply Road powers.
Detection module includes door body position sensor 7 and ultrasonic distance-measuring sensor 11, and two HC-SR04 are used for people in front of the door The ultrasound examination of stream;Three KS103 are used for the detection of door body position.
Operation principle of the present invention is as follows:
(1)Door body magnetic suspension structure is designed:
By the active force of vertical magnet, door body is suspended in doorframe, the electromagnetism that door body is received in vertical direction is closed Power is equal to self gravitation, it is the tractive force for controlling it to move that door body is made a concerted effort by electromagnetism in the horizontal direction.Door body with Doorframe installs electromagnet and distance measuring sensor in position as shown in Figure 1, Figure 2, and the electric current in electromagnet is by the power supply electricity of controller Stream.Under actual state, due to the error of manufacturing process, electromagnet generation electromagnetic force size may have fine error, when this When error exceeds allowed numerical value, it is necessary to which the reduction error that takes measures reaches allowed scope.
Door body will be arranged on carries out actual test with the vertical magnet generation electromagnetic force size of doorframe top and direction, manages In the case of thinking, door body is uniformly equidistantly suspended among doorframe.Distance measuring sensor is collected into door body position signalling and setting value It is compared in the controller, is not adjusted when electromagnetic force error is limited in certain range of tolerable variance;Work as distance(Including door The distance up and down and left and right distance of body and doorframe)Error has exceeded given tolerance, controller control respectively vertical magnet and The ferromagnetic power of balanced electromagnetic, adjustment door body position, it is ensured that door body even suspension.
(2)Contactless magnetic inductive control section design:
Direct current after control unit output rectification, is powered to vertical magnet, and door body is suspended in doorframe.Door body is subject to Make a concerted effort for control door body actual act tractive force, by changing electric current in a pair of levels electromagnetic iron in door body direction of action Size and direction, control the actual loading effect of door body, realize actual act effect of the door body in doorframe.
Source current is drawn by rectification unit and is connected to master controller and current regulation unit, passed using ultrasonic ranging Sensor, gathers stream of people's signal in front of the door, is sent in master controller.Ultrasonic distance-measuring sensor every in the very little time in front of the door Distance of obstacle is gathered once, and the range difference that will be measured twice carries out computing, the average speed size of acquired disturbance movement and direction, When twice, measured distance reduces, and judges that people will enter, and performs enabling;When measured distance is constant or increase, the parallel door fortune of people is judged Move or gone from Men Yuan, without opening the door.
After master controller receives the position signalling that ultrasonic distance-measuring sensor sends, control rectification unit and electric current are adjusted The electric current in the correspondingly sized and direction of unit output, is passed into levels electromagnetic iron, and levels electromagnetic iron obtains different size and direction Electric current can reach the purpose that control door body is opened and closed with friction speed.
In motion process, door body may be because of some reasons, and the tractive force of the levels electromagnetic iron being such as subject to slightly has mistake Difference, External force interference etc., cause door body position deviation, if deviation is excessive may to cause door system cisco unity malfunction, so, Distance measuring sensor is laid in door body to detect door body position.And by position signalling input controller, controller receives position After signal, logical operation is carried out, by current control in each electromagnet, adjusting door body physical location, it is ensured that door body is whole Even suspension during individual.
By control unit output current, vertical magnet obtains electric, door body is suspended in doorframe.Detection door body position is No suitable, control unit is judged, and makes corresponding adjustment.Stream of people's detection module obtains stream of people's signal in front of the door, input in front of the door To control unit, master controller judge the stream of people be into or leave, control door body is opened or closed.In whole process, door If body is subject to external force or self reason to deviate, door body position detecting module collects door body position signalling, is input to control Unit, control unit is adjusted in real time.
Door body magnetic suspension structure of the invention can well solve the frictional dissipation of door opening and closing system and dynamic response is asked Topic.Its contactless magnetic inductive control method, the driving that can effectively solve current door system is complicated, controls cumbersome, high cost High the problems such as.

Claims (5)

1. the door body magnetic suspension structure of a kind of door system, including doorframe and door body;It is characterized in that:Door body(4)It is I-shaped, Doorframe includes upper end doorframe(1)With lower end doorframe(6), upper end doorframe(1)With lower end doorframe(6)It is provided with " trapezoidal " inside groove; Electromagnet is set in door body and doorframe;Electromagnet is divided into:Vertical magnet(2), levels electromagnetic iron(3)With balance electromagnet(5); Vertical magnet(2)It is respectively placed at door body(4)Side-lower and corresponding upper end doorframe in upper end(1)In open end Side and door body(4)Bottom inside front and corresponding lower end doorframe(6)Open end inner side;Levels electromagnetic iron(3)Peace It is placed on door body(4)Vertical component, it is symmetrical above and below;Balanced electromagnetic iron(5)It is respectively placed at door body(4)The upper end left and right sides and The bottom left and right sides, and upper end corresponding with them doorframe(1)With lower end doorframe(6)The internal left and right sides;Door body(4)On The upside at middle part is provided with door body position sensor with the left and right sides in end(7);Door body(4)Middle part is provided with ultrasonic ranging biography Sensor(11);Upper end doorframe(1)Top is provided with control unit(12).
2. the door body magnetic suspension structure of door system according to claim 1, it is characterised in that:It is placed in electromagnet in door body equal It is isometric with door body, it is placed in electromagnet on doorframe isometric with doorframe.
3. the door body magnetic suspension structure of door system according to claim 1, it is characterised in that:Set in door body with doorframe and led Magnetic property is good and is wound with the electromagnet of good wire.
4. the door body magnetic suspension structure of door system according to claim 1, it is characterised in that:Control unit(12)Including rectification Unit(8), current regulation unit(9)And master controller(10), rectification unit(8)Current regulation unit is connected respectively(9), master control Device processed(10), door body position sensor(7)And ultrasonic distance-measuring sensor(11);Door body position sensor(7)And ultrasound Away from sensor(11)Connection master controller(10), master controller(10)Connection current regulation unit(9), current regulation unit(9) Levels electromagnetic iron is connected respectively(3), vertical magnet(2)With balance electromagnet(5).
5. a kind of contactless magnetic inductive control method of the door body magnetic suspension structure of door system as claimed in claim 1, it is special Levy and be:Use levels electromagnetic iron(3)Instead of current door system motor driver;Vertical magnet(2)After energization, door body(4) By upper end doorframe(1)With lower end doorframe(6)The electromagnetism of upper electromagnet is made a concerted effort and its suffered gravitational equilibrium, door body(4)It is suspended in Upper end doorframe(1)With lower end doorframe(6)In;Door body position sensor(7)Detection door body position signalling, by vertical magnet (2)With balance electromagnet(5)To door body(4)Position is adjusted, and makes door body(4)Uniform and stable is suspended in upper end doorframe(1) With lower end doorframe(6)In;By ultrasonic distance-measuring sensor(11)Stream of people's signal in front of the door is gathered, and the signal is passed to control Unit(12)In, control unit(12)Controlled level electromagnet(3)Internal current size direction, makes door body(4)It is horizontal by level To the electromagnetic force of change, in upper end doorframe(1)With lower end doorframe(6)In steady suspended motion, realize that the reality of whole door body is moved Make mode.
CN201510566622.5A 2015-09-08 2015-09-08 The door body magnetic suspension structure and its control method of a kind of door system Expired - Fee Related CN105064869B (en)

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CN107168162B (en) 2017-05-25 2021-10-08 北京东软医疗设备有限公司 Control device
CN109184442B (en) * 2017-07-07 2020-05-05 王九洲 Magnetic suspension door and window control system
CN110754906A (en) * 2018-07-27 2020-02-07 深圳博科智能科技有限公司 Curtain control method and intelligent curtain
CN109236124B (en) * 2018-08-24 2020-12-04 大英县青少年学生校外活动中心 Suspension non-resistance door and window
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CN110821326A (en) * 2019-10-16 2020-02-21 宁波腾宇金属制品有限公司 Non-contact magnetic swing stopping device of sliding door
CN111794626A (en) * 2020-06-08 2020-10-20 吉利汽车研究院(宁波)有限公司 Vehicle window glass lifting system and control method thereof and automobile door
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