CN110482359A - A kind of home lift - Google Patents
A kind of home lift Download PDFInfo
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- CN110482359A CN110482359A CN201910797890.6A CN201910797890A CN110482359A CN 110482359 A CN110482359 A CN 110482359A CN 201910797890 A CN201910797890 A CN 201910797890A CN 110482359 A CN110482359 A CN 110482359A
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- elevator
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- anticollision
- relay
- carriage
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- 230000008569 process Effects 0.000 claims abstract description 24
- 230000007423 decrease Effects 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims description 74
- 230000000630 rising effect Effects 0.000 claims description 24
- 230000001133 acceleration Effects 0.000 claims description 17
- 230000001960 triggered effect Effects 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 3
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/24—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
- B66B3/002—Indicators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/14—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of excessive loads
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
This application discloses a kind of home lifts, to solve the problems, such as that existing elevator cannot precisely reach destination.The elevator includes controller, switch block.The upper limit switch of switch block is electrically connected position limit device, and position limit device makes the controller control elevator motor stop operating, so that the uphill process of elevator be made to stop based on the triggering with upper brake apparatus；The lower position switch connects lower caging device, and lower caging device makes the controller control elevator motor stop operating, so that the decline process of elevator be made to stop based on the triggering with lower brake apparatus；Upper anticollision limit switch connects upper anticollision limiting device, based on the triggering of upper anticollision limiting device, the stopping of elevator in the case of being operating abnormally controller control elevator；The lower anticollision limit switch connects lower anticollision limiting device, based on the triggering of lower anticollision limiting device, the stopping of elevator in the case of being operating abnormally controller control elevator.
Description
Technical field
This application involves elevator technology field more particularly to a kind of home lifts.
Background technique
Elevator, which refers to, serves several specific floors in building, and carriage operates at least two column perpendicular to horizontal plane
Or with the permanent transporting equipment on rigid track of the plumb line inclination angle less than 15 °.
With the innovation of technology and the development of society, produce a kind of suitable for villa quarter or the household electric of small sized multiple story building
Ladder.Home lift is that the life of user brings great convenience, the specified floor of the arrival for keeping user safe and efficient.
Since the carriage of home lift is smaller, stroke is shorter, so existing home lift is during the work time, mostly use
Electric machine controller cooperative mechanical structure realizes the lifting of elevator.But the method for operation of existing elevator is in the row of control elevator
It will appear biggish error in terms of journey, the arrival destination of user's fast accurate cannot be made, while there is also greatly peaces
Full hidden danger.
Summary of the invention
The embodiment of the present application provides a kind of home lift, cannot precisely reach asking for destination to solve existing elevator
Topic.
A kind of home lift provided by the embodiments of the present application, comprising:
Controller；
Switch block, the switch block are connect with the controller, the switch block include at least upper limit switch,
Lower position switch, upper anticollision limit switch and lower anticollision limit switch；
The upper limit switch is electrically connected position limit device, and position limit device is made based on the triggering with upper brake apparatus
Upper limit switch state changes, so that controller control elevator motor stops operating, to make the rising of elevator
Journey stops；The lower position switch connects lower caging device, and lower caging device makes lower limit based on the triggering with lower brake apparatus
Bit switch state changes, so that controller control elevator motor stops operating, so that the decline process of elevator be made to stop
Only；Wherein, position limit device, lower caging device are arranged at left and right sides of lift car outer surface, the upper brake apparatus, lower system
At left and right sides of the elevator on sliding rail, the sliding rail is set to outside carriage along the short transverse of lift car for dynamic device setting, and
The sliding rail is connect with the carriage, so that the carriage is moved along the sliding rail；
The upper anticollision limit switch connects upper anticollision limiting device, based on the triggering of upper anticollision limiting device, upper anticollision
The state of limit switch changes, so that controller controls the stopping of elevator in the case of elevator is operating abnormally；The lower anticollision
Limit switch connects lower anticollision limiting device, and based on the triggering of lower anticollision limiting device, the state of upper anticollision limit switch occurs
Variation, so that controller controls the stopping of elevator in the case of elevator is operating abnormally；Wherein, upper anticollision limiting device is arranged in elevator
Carriage external surface top, lower anticollision limiting device are arranged in lift car outer surface bottom.
The embodiment of the present application provides a kind of home lift, controller can according to the signal received, by upper limit switch with
Lower position switch is by the triggering of corresponding position limit device, upper brake apparatus and lower caging device, lower brake apparatus, accurately simultaneously
Timely stopping of control elevator during uphill process and decline, enables elevator to react in a very short period of time,
Accurately rest on destination.Also, it is limited by upper anticollision limit switch, lower anticollision limit switch and corresponding upper anticollision
Position device, lower anticollision limiting device, can further ensure that elevator can stop in time, enhance the safety of elevator.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.
In the accompanying drawings:
Fig. 1 is home lift control circuit schematic diagram provided by the embodiments of the present application；
Fig. 2 is home lift operation schematic diagram provided by the embodiments of the present application；
Fig. 3 is home lift structural schematic diagram provided by the embodiments of the present application；
Fig. 4 is the loosening detection unit structural schematic diagram of home lift provided by the embodiments of the present application；
Fig. 5 is that the another of home lift provided by the embodiments of the present application loosens detection unit structural schematic diagram；
Fig. 6 is the overload detection unit structural schematic diagram of home lift provided by the embodiments of the present application；
Fig. 7 is another overload detection unit structural schematic diagram of home lift provided by the embodiments of the present application.
Label declaration
S1 upper limit switch
S2 lower position switch
S3 light curtain switch
S4 rising switch
S5 down switch
S6 emergency stop switch
S7 overload switch
The upper anticollision limit switch of Q1
Anticollision limit switch under Q2
The first relay of KA1
The second relay of KA2
KA3 third relay
The 4th relay of KA4
1 carriage
11 position limit devices
Brake apparatus on 12
13 lower caging devices
14 lower brake apparatus
Anticollision limiting device on 15
16 lower anticollision limiting devices
17 detection devices
181 first sensing devices
182 second sensing devices
2 sliding rails
3 motors
4 reels
5 ropes
61 elastic components
62 actuated pieces
63 loosen position switch
64 fatigue locations switch
71 fixed pulleys
72 supporting elements
73 articulated shafts
74 overload devices
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the application specific embodiment and
Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application one
Section Example, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall in the protection scope of this application.
Fig. 1 is home lift control circuit schematic diagram provided by the embodiments of the present application.
As shown in Figure 1, control circuit includes controller PLC, switch block and relay assembly.
Switch block is connect with controller PLC, include at least rising switch S4, down switch S5, upper limit switch S1, under
Limit switch S2, upper anticollision limit switch Q1 and lower anticollision limit switch Q2.Wherein, rising switch S4 is for controlling elevator
The starting of uphill process, down switch S5 are used to control the starting of the decline process of elevator.Upper limit switch S1 is for controlling electricity
The stopping of terraced uphill process, lower position switch S2 are used to control the stopping of elevator decline process.Upper anticollision limit switch Q1 is under
Anticollision limit switch Q2 is used to control the stopping of elevator in the case of elevator is operating abnormally.Relay assembly is connect with controller PLC,
Relay assembly includes at least the first relay KA1 and the second relay KA2.Wherein, controller PLC passes through the first relay
KA1 controls elevator and rises, and controls elevator decline by the second relay KA2.
Specifically, rising switch S4 corresponds to the rising button in elevator, down switch S5 corresponds to the declines button in elevator.
When user presses rising button perhaps declines button, rising button or declines button are to corresponding rising switch S4 or decline
Switch S5 sends signal, so that rising switch S4 or down switch S5 sends high level signal to controller PLC.Controller PLC
The rotating forward of motor can be controlled by relay KA1, or controls the reversion of motor by relay KA2, to control on elevator
The process of liter or the starting for declining process.
Fig. 2 is home lift operation schematic diagram provided by the embodiments of the present application.
As shown in Fig. 2, lift car 1 is mobile according to the track of sliding rail 2.Upper limit switch S1 corresponds to 1 upside of lift car
Position limit device 11, lower position switch S2 corresponding lower limit position device 13.Also, in order to avoid position limit device 11 and lower limit
Device 13 interferes between each other, and position limit device 11 can be separately positioned on the left and right sides of elevator with lower caging device 13.
The sliding rail 2 there are two up and down direction is respectively set in the both sides external of carriage 1, so that track of the carriage 1 in sliding rail 2
Upstream or downstream above.Upper brake apparatus 12 corresponding with position limit device 11 is provided on sliding rail 2.In elevator uphill process
In, when elevator reaches destination, position limit device 11 and upper brake apparatus 12 are just at same level.Upper braking dress
Position limit device 11 can be triggered by the modes such as contacting or engaging by setting 12, and position limit device 11 is sent out to corresponding upper limit switch S1
The number of delivering letters is closed upper limit switch S1, so that controller PLC be made to receive high level.Controller PLC can be to the first relay
KA1 sends signal, stops the first relay KA1 control elevator motor, to control the stopping of elevator；Wherein, the first relay
Device KA1 is connect with frequency converter, the motor connection of frequency converter and elevator.Therefore, the first relay KA1 passes through control frequency converter output
Frequency and voltage carry out driving motor.
Corresponding, lower brake apparatus 14 corresponding with lower caging device 13 is provided on sliding rail 2.Under elevator
During drop, when elevator reaches destination, lower caging device 13 and lower brake apparatus 14 are just at same level.Under
Brake apparatus 13 can trigger lower caging device 14 by the modes such as contacting or engaging, and lower caging device 13 is opened to corresponding lower limit
It closes S2 and sends signal, be closed lower position switch S2, so that controller PLC be made to receive high level.Controller PLC can be to second
Relay KA2 sends signal, stops the second relay KA2 to control motor by the output frequency and voltage of control frequency converter
Only, to control the stopping of elevator.
Upper anticollision limit switch Q1 corresponds to the upper anticollision limiting device 15 at 1 top of lift car.In the reality of the application
It applies in example, upper anticollision limiting device 15 is sensor, may be disposed at the top of 1 outer surface of carriage, whether to incude elevator
Generate upward collision phenomenon.
In the case where elevator operates normally, since the height of lift car 1 is less than the height of single layer floor, electricity
The top of terraced carriage 1 will not usually encounter the top of floor.That is, in the case where elevator operates normally, upper anticollision limit
Position device 15 will not usually be triggered.But when elevator is operating abnormally (such as upper limit switch fails), elevator is arrived
It up to after destination, does not brake in time, but continues up operation, so that 1 top of lift car be made to bump against at the top of floor.
In this case, at the top of upper anticollision limiting device 15 and floor touching and be triggered, upper anticollision limiting device 15 is to corresponding
Upper anticollision limit switch Q1 sends signal, is closed anticollision limit switch Q1, so that controller PLC be made to receive high level letter
Number.After controller PLC receives high level, signal is sent to relay, keeps relay control elevator out of service.
Corresponding, when elevator is operating abnormally, elevator is not braked in time after reaching destination,
And be to continue with and run down, so that 1 bottom of lift car and floor bottom be made to bump against.In this case, lower anticollision limit dress
16 to be set to touch and be triggered with floor bottom, lower anticollision limiting device 16 sends signal to corresponding upper anticollision limit switch Q2,
It is closed lower anticollision limit switch Q2, so that controller PLC be made to receive high level.After controller PLC receives high level, to
Relay sends signal, keeps relay control elevator out of service.
It, can be with when elevator and floor collide by the setting of upper anticollision limiting device 15 and lower anticollision limiting device 16
It is out of service by controller PLC control motor, elevator is braked in time, the safety of elevator is strengthened, improves elevator
Reliability.
In one embodiment of the application, switch block can also include acceleration detection switch and deceleration detection switch
(Fig. 1 does not illustrate).Also, as shown in Fig. 2, 1 side of lift car close to the position at top may be provided with acceleration detection switch,
The detection device 17 that deceleration detection switch is all connected with.Elevator in the process of running, can make to accelerate by the induction of detection device 17
Detection switch or deceleration detection switch closure, thus when controller PLC obtain high level.Controller PLC can be sent out to relay
The number of delivering letters controls increasing or reducing for the revolving speed of motor, to control the acceleration of elevator or subtract by controlling the frequency of frequency converter
Speed.Wherein, detection device 17 can be sensor.
Specifically, may be provided with two sensing devices corresponding with detection device 17 on sliding rail 2, as shown in Figure 2
First sensing device 181 and the second sensing device 182.In an operational process of elevator, detection device 17 can detected
When one sensing device, acceleration detection is closed the switch, sends signal to controller PLC, controller PLC control motor makes electricity
Ladder accelerates；Detection device 17 is closed deceleration detection switch when detecting another sensing device, sends to controller PLC
Signal, controller PLC control motor make deceleration of elevator.It can be seen that matching by two sensing devices and detection device 17
Close the control, it can be achieved that elevator acceleration or deceleration.Wherein, detection device 17 can be signal receiving device, for receiving sense
The signal for answering device to issue, alternatively, detection device 17 can be the part that is triggered triggered by sensing device.
By taking two floors as an example, sensing device may include the first sensing device 181 and the second sensing device 182.Wherein,
One sensing device 181 is located at Stall, and the second sensing device 182 is located at second floor.
First distance of the sensing device 181 away from second floor bottom of the building should be less than distance of the detection device 17 away from second floor bottom of the building,
That is when elevator be parked in Stall it is stationary when, the first sensing device 181 should be above detection device 17.When elevator starts
After rising, detection device 17 can detect the first sensing device when the first sensing device 181 is with itself same level is in
181 presence, this indicates that elevator is begun to ramp up.Therefore, detection device 17 can switch to acceleration detection and send signal, make to accelerate to examine
Survey closes the switch, and then controller PLC is made to receive high level signal.Controller PLC can control turning for motor by relay
Speed increases, to control elevator acceleration.Then, in order to make detection device 17 be able to detect that the first sensing device 181, first feels
Device 181 is answered to should be above detection device 17.
Second distance of the sensing device 182 away from second floor bottom of the building should be less than distance of the detection device 17 away from second floor bottom of the building,
That is when elevator be parked in second floor it is stationary when, the second sensing device 182 should be lower than detection device 17.When elevator starts
Rise and close to after destination, detection device 17 can be detected when the second sensing device 182 is with itself same level be in
To the presence of the second sensing device 182, this indicates that elevator will reach destination.Therefore, detection device 17 can be examined to slowing down
It surveys switch and sends signal, be closed deceleration detection switch, so that controller PLC receives high level signal.Controller PLC
The revolving speed that motor can be controlled by relay reduces, to control deceleration of elevator.Then, in order to be able to detect detection device 17
To the second sensing device 182, the second sensing device 182 should be lower than detection device 17.
To sum up, elevator is during rising, can detection by detection device 17 to the first sensing device 181, control
Elevator accelerates, and control deceleration of elevator by detection to the second sensing device 182, to complete elevator in the process of running
Starting, the process for accelerating, slowing down, stopping.Wherein, the elevator working principle of detection device 17 and above-mentioned rising during decline
Process is identical, and details are not described herein by the application.
Fig. 3 is home lift structural schematic diagram provided by the embodiments of the present application.
As shown in figure 3, home lift includes carriage 1, elastic component 61 and loosens detection unit (being not shown in Fig. 3).Elevator
Carriage 1 be connected with motor 3, the shaft of motor 3 is connected with reel 4,4 surface of reel be equipped with rope 5, the bottom end of rope 5 and volume
Cylinder 4 is connected, and the top of rope 5 is fixed on the top position of carriage 1, and motor 3 drives reel 4 to rotate, to discharge 4 surface of reel
Rope 5 makes 1 downlink of carriage；Elastic component 61 is connected to carry carriage 1 with rope 5, and the gravity of carriage 1 acts on bullet by rope 5
Property part 61 on, make elastic component 61 occur flexible deformation.
During 1 normal downlink of carriage, the load of carriage 1 is no matter large or small, comparatively to the active force of elastic component 61
It is generally in steady state, that is to say, that elastic component 61 is changed not by the active force of rope 5 during 1 downlink of carriage
Greatly, also just making the flexible deformation of elastic component 61 has specified deflection, is in just in the elastic component 61 of specified deflection range
Normal state；But when the deflection of elastic component 61 is lower than specified deflection, that is to say, that pulling force of the elastic component 61 by rope 5
Become smaller suddenly, rope 5 loses to the normal load force of elastic component 61, detects elastic component 61 by loosening detection unit at this time
Lower than the variation of specified deflection, such case i.e. rope 5 loosen, and can be detected in time by loosening detection unit
To the loosening state of rope 5.In elevator actual moving process, common issue is that 1 downlink of carriage meets with obstruction, such as carriage
1 waits positions to rub because shifting with the sliding rail 2 of side, causes the downstream rate of carriage 1 to be less than motor 3 and discharges rope
5 speed makes rope 5 vacant loosening occur, through this embodiment in scheme can detect the loosening shape of rope 5 in time
Condition.
Further, Fig. 4 is the loosening detection unit structural schematic diagram of home lift provided by the embodiments of the present application.Such as figure
Shown in 4, loosening detection unit includes loosening position switch 63, loosens the setting of position switch 63 in elastic component 61 and is lower than specified deformation
On the deformation direction of amount.The specific setting for loosening position switch 63 is able to detect that 61 deflection of elastic component occurs lower than specified change
The case where shape amount, that is, by the normal state of being squeezed within the scope of the specified deflection to be transformed into deflection low for elastic component 61
In the abnormal condition of specified deflection, the structural form variation of above-mentioned elastic component 61, which can trigger, loosens position switch 63.
As shown in figure 4, home lift further includes actuated piece 62.Actuated piece 62 is connected with elastic component 61, the position of actuated piece 62
It sets the deflection for following elastic component 61 and changes, the position of actuated piece 62 includes so that loosening first that position switch 63 is connected
It sets section and to loosen the second position section that position switch 63 disconnects.In order to ensure elastic component 61 deflection lower than specified
When deflection, can relatively accurate triggering loosen position 6 and switch, increase actuated piece 62 in the present embodiment, pass through actuated piece
62 and elastic component 61 be attached, the ability for making actuated piece 62 obtain expression 61 deflection of elastic component, and the work of actuated piece 62
Dynamic range follows the variation of elastic component 61 to be set as first position section and second position section, in the section of first position
Actuated piece 62 indicates that the deflection of elastic component 61 is lower than specified deflection, then actuated piece 62, which can trigger, loosens position switch 63；
On the contrary, the deflection that the actuated piece 62 in the section of the second position indicates elastic component 61 then causes within the scope of specified deflection
Moving part 62, which can not trigger, loosens position switch 63, makes to loosen the state that position switch 63 is in disconnection.
It is understood that loosening position switch 63 can be selected and the limit switch that is in contact of actuated piece 62, or select and
The discontiguous photoelectric proximity switch of actuated piece 62, specific model and is selected using mounting means according to the function of existing product
It selects, can flexibly use.
Correspondingly, Fig. 5 is that the another of home lift provided by the embodiments of the present application loosens detection unit structural schematic diagram.
As shown in Fig. 4~Fig. 5, home lift may also include fatigue location switch 64, and the setting of fatigue location switch 64 is high in elastic component 61
In on the deformation direction of specified deflection.In the present embodiment, fatigue location switch 64 and loosening position switch 63 are all along bullet
Property part 61 deformation direction setting, the difference is that, the setting position of fatigue location switch 64 just with loosening position switch
63 on the contrary, the deflection that elastic component 61 is arranged in is more than at the position of specified deflection, when the deflection of elastic component 61 is more than volume
After determining deflection, fatigue location switch 64 can trigger.It is understood that fatigue location switch 64 also can be selected limit switch or
Photoelectric proximity switch, the actuated piece 62 on elastic component 61 can trigger fatigue location switch 64.
In addition, Fig. 6 is the overload detection unit structural schematic diagram of home lift provided by the embodiments of the present application.Such as Fig. 3, figure
Shown in 6,4 surface of reel of home lift is equipped with two ropes 5, and the bottom end of two ropes 5 is connected with reel 4 respectively, two ropes
The top of rope 5 is fixed on the top position of carriage 1 rotating around crossing after reel 4 and two fixed pulleys 71.Two fixed pulleys 71 are arranged
In 1 two side positions of top of carriage, the vertical section between the top and fixed pulley 71 of rope 5 is arranged along 1 motion profile of carriage to hold
Carry carriage 1.Motor 3 drives reel 4 to rotate, and to tighten or discharge the rope 5 on 4 surface of reel, makes 1 upstream or downstream of carriage.Volume
4 biasing of cylinder is arranged between two ropes 5, keeps two ropes 5 deflection in the loaded state different, and two ropes 5
Deflection difference has rated capacity.The deflection difference that overload detection unit shown in fig. 6 is adapted to detect for two ropes 5 is greater than volume
Quantitative variation.
In the present embodiment, the biasing of reel 4 is arranged between two fixed pulleys 71, makes between two ropes 5 and reel 4
Distance it is different, using the asymmetric set-up mode of two ropes 5 and 3 reel 4 of motor, make two ropes 5 in the loaded state
Deflection it is different, the difference of two 5 deflections of rope has rated capacity, the maximum rated load phase of this rated capacity and carriage 1
It is corresponding.Such as: the specified maximum load of carriage 1 is designed as 800KG, when the load in carriage 1 is equal to 800KG, at this time two
The deflection difference of root rope 5 is rated capacity；When the load in carriage 1 is more than 800KG, the deflection of two ropes 5 is poor
Value is more than rated capacity.Whether the difference by detecting two 5 deflections of rope is more than rated capacity, to judge whether carriage 1 overloads,
The structure of application is very ingenious reasonable, does not need the complicated electric detection system of setting, it will be able to detection elevator promptly and accurately
In overload condition.
Specifically, Fig. 7 is another overload detection unit structural schematic diagram of home lift provided by the embodiments of the present application.
As shown in Fig. 6~Fig. 7, two fixed pulleys 71 are connected with supporting element 72, and the vertical section of two ropes 5 is symmetrically set along supporting element 72
It sets, the supporting element 72 between two fixed pulleys 71 is equipped with articulated shaft 73, the rope 5 big to deflection along articulated shaft 73 of supporting element 72
Side rotation makes the rotation of supporting element 72 have specified amount of spin.In the present embodiment, two fixed pulleys 71 are arranged in supporting element
On 72, and supporting element 72 being hingedly arranged, the deflection difference of two ropes 5 can be such that supporting element 72 rotates along articulated shaft 73, and two
The angle that the variation of the deflection difference of root rope 5 can be such that supporting element 72 rotates to big 5 side of rope of deflection is different, load
Bigger, the difference of two 5 deflections of rope is bigger, then the rotational angle of supporting element 72 is bigger, when load reaches the specified of carriage 1
When maximum load, the amount of spin of supporting element 72 is specified amount of spin at this time, when carriage 1 overloads, the deflection of two ropes 5
Difference is more than rated capacity, and then the amount of spin of supporting element 72 is made to be more than specified amount of spin.
The detection unit that overloads further includes overload device 74, and overload device 74 is disposed greater than the specified amount of spin of supporting element 72
In rotation direction.Whether it is more than rated capacity to detect the difference of two 5 deflections of rope, detection supporting element 72 can be passed through
Whether amount of spin is more than specified amount of spin to realize, therefore in the rotation side for being greater than the specified amount of spin of supporting element 72 in the present embodiment
Overload device 74 is set up, when 72 amount of spin of supporting element is more than specified amount of spin, overload device 74 can be triggered.
As shown in Figure 1, switch block further includes overload switch S7.Overload switch S7 is connected with overload device, works as elevator car
When load-carrying in compartment 1 is more than preset threshold, overload device is triggered, and sends signal to overload switch S7.Overload switch S7 closure,
Controller PLC is set to receive high level.Relay group further includes the 5th relay (Fig. 1 is not shown), and controller PLC receives height
After level, alarm signal can be sent by the 5th relay, and prevent the closing of elevator door, allow the user to adjustment elevator
The load-carrying of carriage 1, to guarantee the safety of elevator operation.
In addition, switch block further includes light curtain switch S3.It may be provided on lift car 1 corresponding with light curtain switch S3
Light curtain device, light curtain device can incude at lift car 1 of unlatching whether have foreign matter.If light curtain device senses unlatching
There is foreign matter at lift car 1, signal can be sent to light curtain switch S3, be closed light curtain switch S3, controller PLC receives height
Level signal.Controller PLC can make 1 state kept it turning on of lift car, not turn off.If light curtain switch detects unlatching
Lift car 1 at no foreign matter, can to light curtain switch S3 send signal, make light curtain switch S3 open, controller PLC reception
To low level signal.Controller PLC can control lift car 1 closing by relay.
In addition, switch block further includes emergency stop switch S6, emergency stop switch S6 is used to control the disconnection of elevator power supply.In elevator
Inside may be provided with scram button corresponding with emergency stop switch S6, in emergency situations, user can by trigger scram button, by
Scram button sends signal to emergency stop switch S6 and emergency stop switch S6 is closed.Controller PLC is received from emergency stop switch
High level signal makes the disconnection of controller PLC control power supply.
Specifically, relay assembly further includes third relay KA3.Controller PLC can be controlled by third relay KA3
The open and close of the illumination of lift car 1.Wherein, controller PLC can be opened at lift car 1, load-carrying is more than default threshold
Under the conditions of value etc., the control illumination of carriage 1 is opened.
Specifically, relay group can also include the 4th relay KA4.Controller PLC can be by the 4th KA4 pairs of relay
Lift car 1 is braked, wherein controller PLC can be according to from upper anticollision limit switch Q1, lower anticollision limit switch Q2
Signal, or when elevator meets other preset conditions, lift car 1 is braked, so that the elevator energy under abnormal conditions
It is enough to stop in time, improve the safety of elevator.
Specifically, home lift provided by the embodiments of the present application further includes carriage display board, carriage is display panel used in display
1 place floor of lift car, and show the direction that lift car 1 currently rises or falls, to prompt user.
In one embodiment of the application, upper anticollision limit switch Q1 can be by multiple electrical switch groups parallel with one another
At each upper anticollision limit switch Q1 is separately connected anticollision limiting device 15 on one, and each upper anticollision limiting device 15 is evenly distributed on
At the top of elevator.Along the rectangular profile of lift car 1, this 4 upper anticollision limiting devices can be respectively distributed on the four edges of rectangle.
On the other side, lower anticollision limit switch Q2 can also be made of multiple electrical switch parallel with one another, each lower anticollision
Limit switch Q2 respectively corresponds anticollision limiting device 16, and each lower anticollision limiting device 16 is evenly distributed on elevator bottom.Edge
The rectangular profile of lift car 1, this 4 lower anticollision limiting devices can be respectively distributed on the four edges of rectangle.
By the way that multiple upper anticollision limiting devices and lower anticollision limiting device is arranged, single upper anticollision limit dress can avoid
It sets or lower anticollision limiting device fails and causes anticollision limit switch Q1 or lower anticollision limit switch Q2 that can not be connected, and make to control
Device PLC processed can not receive signal to carry out emergency braking to lift car 1, enhance the safety of elevator.
It should be noted that in the embodiment of the present application, respectively switching in detail in this figure in switch block shown in Fig. 1
The form of expression is only that one kind schematically illustrates, and in actual control circuit, each switch in switch block can be metal-oxide-semiconductor etc.
It can play the role of component as described above.
Corresponding with the dependency structure of above-mentioned elevator control circuit and function, the specifically used process of elevator is such as
Under.
By taking user takes elevator upstairs as an example, user presses rising button, lift car 1 unlatching outside elevator.Into
After lift car 1, user selects higher floor or presses rising button, and rising button is sent to corresponding rising switch S4
Rising switch S4 is connected in signal.After controller PLC receives the high level signal from rising switch S4, by corresponding
First relay KA1 controls motor and rotates forward, and starts the uphill process of elevator.
Before elevator is begun to ramp up, light curtain device, which detects lift car doorway, whether there is foreign matter.Foreign matter if it exists, then
Light curtain device sends signal to corresponding light curtain switch S3, sends a signal to controller PLC by light curtain switch S3.Controller PLC
Controllable elevator cab door is kept it turned on.Foreign matter if it does not exist, then light curtain device can be sent to corresponding light curtain switch S3
Signal makes light curtain switch S3 send signal to controller PLC.Controller PLC can control elevator cab door to close.
During the front half section that elevator rises, detection device 17 is detecting the first sensing device 181 with it in same
When one horizontal plane, it can be switched to acceleration detection and send signal.Acceleration detection closes the switch, and sends signal to controller PLC, makes to control
Device PLC processed is by relay, and control motor speed increases, to realize the acceleration of elevator.Wherein, the acceleration of elevator can basis
Preset value determines.
During the second half section that elevator rises, detection device 17 is detecting the second sensing device 182 with it in same
When one horizontal plane, signal can be sent to deceleration detection switch.Deceleration detection switch closure sends signal to controller PLC, makes to control
Device PLC processed is by relay, and control motor speed reduces, to realize the deceleration of elevator.Wherein, the acceleration of elevator can basis
Preset value determines.
Elevator is by slowing down slowly close to destination, and when reaching destination, the upper braking dress on sliding rail 2 is arranged in
Set the corresponding position limit device 11 of 12 triggerings.Position limit device 11 sends signal to corresponding upper limit switch S1, and upper limit is opened
Signal can be sent to controller PLC by closing S1.Controller PLC is stopped by relay, control elevator.
It in the embodiment of the present application, can be to electricity by upper limit switch, lower position switch and corresponding mechanical device
Ladder is braked in time, and elevator is enable accurately to reach destination.By detection switch and corresponding mechanical device, make
Elevator can reasonably be accelerated in the process of running, be slowed down, and enable elevator with suitable acceleration, even running.
By upper anticollision limit switch, lower anticollision limit switch and corresponding mechanical device, it can prevent elevator and floor from generating
Hard collision improves the safety of elevator.
Based on controller and control program, different control is transmitted to the operated motor of elevator by controller and is referred to
It enables, to drive elevator to rise or decline, is equipped with the limit switch in travel of elevator (lift), it can safely, precisely, efficiently
User is transmitted to designated floor.
In conclusion the elevator control circuit in the embodiment of the present application can be adapted for the application scenarios of home lift,
Stroke is short, carriage is small, is greatly improved safety, and fast response time ensure that home lift safety standard uses, Neng Goujing
Quasi- fast speed belt employs family and reaches designated floor.
The above description is only an example of the present application, is not intended to limit this application.For those skilled in the art
For, various changes and changes are possible in this application.All any modifications made within the spirit and principles of the present application are equal
Replacement, improvement etc., should be included within the scope of the claims of this application.
Claims (10)
1. a kind of home lift characterized by comprising
Controller；
Switch block, the switch block are connect with the controller, and the switch block includes at least upper limit switch, lower limit
Bit switch, upper anticollision limit switch and lower anticollision limit switch；
The upper limit switch is electrically connected position limit device, and position limit device makes the upper limit based on the triggering with upper brake apparatus
Bit switch state changes, so that controller control elevator motor stops operating, so that the uphill process of elevator be made to stop
Only；The lower position switch connects lower caging device, and lower caging device opens lower limit based on the triggering with lower brake apparatus
Off status changes, so that controller control elevator motor stops operating, so that the decline process of elevator be made to stop；Its
In, position limit device, lower caging device are arranged at left and right sides of lift car outer surface, the upper brake apparatus, lower braking dress
It installs at left and right sides of the elevator on sliding rail, the sliding rail is set to outside carriage along the short transverse of lift car, and described
Sliding rail is connect with the carriage, so that the carriage is moved along the sliding rail；
The upper anticollision limit switch connects upper anticollision limiting device, based on the triggering of upper anticollision limiting device, upper anticollision limit
The state of switch changes, so that controller controls the stopping of elevator in the case of elevator is operating abnormally；The lower anticollision limit
Switch connects lower anticollision limiting device, and based on the triggering of lower anticollision limiting device, the state of upper anticollision limit switch changes,
So that controller controls the stopping of elevator in the case of elevator is operating abnormally；Wherein, upper anticollision limiting device is arranged in lift car
External surface top, lower anticollision limiting device are arranged in lift car outer surface bottom.
2. elevator according to claim 1, which is characterized in that the switch block includes rising switch and down switch；
The rising switch is triggered based on rising button, and rising switch state is made to change, so that the controller
Control elevator motor rotates in a first direction, and then starts the uphill process of elevator；The down switch is based on declines button
Be triggered, so that down switch state be made to change, so that controller control elevator motor turns in a second direction
It is dynamic, and then start the decline process of elevator.
3. elevator according to claim 1, which is characterized in that the switch block further includes acceleration detection switch and slows down
Detection switch；
The acceleration detection switch and deceleration detection switch are all connected with detection device, and the detection device is filled based on corresponding induction
The induction set controls the acceleration of elevator by the variation of acceleration detection switch state, and passes through deceleration detection switch state
Variation, controls the deceleration of elevator.
4. elevator according to claim 1, which is characterized in that the switch block further includes light curtain switch, emergency stop switch；
The light curtain switch connection light curtain device, the light curtain device control lift car by the conducting of control light curtain switch
The closing of door；
The emergency stop switch connects scram button, the disconnection of the triggering control elevator power supply based on the scram button.
5. elevator according to claim 2, which is characterized in that the elevator further includes relay assembly；
The relay assembly is connect with the controller, and the relay assembly includes at least the first relay, the second relay
Device, third relay and the 4th relay,
The controller controls elevator by the first relay and rises according to the conducting of rising switch；The controller is under
The conducting for dropping switch controls elevator decline by the second relay；The controller controls elevator by the third relay
Lighting source, by the 4th relay control elevator stop in abnormal cases.
6. elevator according to claim 1, which is characterized in that
The upper anticollision limit switch is made of 4 paralleling switches,
The lower anticollision limit switch is made of 4 paralleling switches.
7. elevator according to claim 1, which is characterized in that the elevator includes carriage, the carriage by reel with
Motor is connected, and the mandrel surface is equipped with two ropes, and the bottom end of two ropes is connected with reel respectively, two ropes
The top of rope is fixed on the top position of carriage rotating around crossing after reel and two fixed pulleys, and two fixed pulleys are arranged in car roof
Two side position of portion, the vertical section between the top and fixed pulley of the rope are arranged along carriage motion profile to carry the sedan-chair
Compartment, the motor driven spool turns make carriage upstream or downstream to tighten or discharge the rope of mandrel surface；
The reel biasing is arranged between two ropes, keeps the deflection of two ropes in the loaded state different, and
The deflection difference of two ropes has rated capacity；
Overload detection unit, and the deflection difference that the overload detection unit is adapted to detect for two ropes is greater than the rated capacity
Variation.
8. elevator according to claim 7, which is characterized in that two fixed pulleys are connected with supporting element, and two ropes
The vertical section of rope is symmetrical arranged along the supporting element, and the supporting element between two fixed pulleys is equipped with articulated shaft, the support
Part is rotated along the big rope side of hinged axial deflection, and the rotation of the supporting element is made to have specified amount of spin；
The overload detection unit includes overload device, and the overload device is disposed greater than the specified amount of spin of the supporting element
In rotation direction；
The switch block includes overload switch, and the overload switch is for detecting elevator by the overload device of connection
Balance and overload condition；
The relay assembly includes the 5th relay；The controller is prompted in elevator overload by the 5th relay
Warning message.
9. elevator according to claim 1, which is characterized in that the elevator includes carriage, the carriage by reel with
Motor is connected, and the mandrel surface is equipped with rope, and the bottom end of the rope is connected with reel, and the top of the rope is fixed on sedan-chair
The top position in compartment, the motor driven spool turns make carriage downlink to discharge the rope of mandrel surface；
Elastic component, the elastic component are connected to carry the carriage with the rope, and the elastic component has specified deflection；
Detection unit is loosened, the detection unit that loosens is used to detect the variation that the elastic component is lower than the specified deflection.
10. elevator according to claim 9, which is characterized in that the loosening detection unit includes loosening position switch, institute
It states loosening position switch and the elastic component is set lower than on the deformation direction of the specified deflection；
The elevator further includes actuated piece；The actuated piece is connected with the elastic component, the location following elasticity of the actuated piece
The deflection of part and change, the position of the actuated piece include so that it is described loosen position switch connect first position section and
So that the second position section for loosening position switch and disconnecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910797890.6A CN110482359A (en) | 2019-08-27 | 2019-08-27 | A kind of home lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910797890.6A CN110482359A (en) | 2019-08-27 | 2019-08-27 | A kind of home lift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110482359A true CN110482359A (en) | 2019-11-22 |
Family
ID=68554589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910797890.6A Pending CN110482359A (en) | 2019-08-27 | 2019-08-27 | A kind of home lift |
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| CN (1) | CN110482359A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762647A (en) * | 2020-05-29 | 2020-10-13 | 上海史必诺物流设备有限公司 | Electrical safety interlocking loop of vertical conveying system |
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| CN204938617U (en) * | 2015-07-23 | 2016-01-06 | 南通米兰特电气有限公司 | A kind of elevator anti-surpassed distance triple protection device |
| CN207536955U (en) * | 2017-10-17 | 2018-06-26 | 中建八局第一建设有限公司 | A kind of construction elevator car runs collision prevention device |
| CN109552962A (en) * | 2018-12-19 | 2019-04-02 | 宁波昌隆机电有限公司 | A kind of elevator and its control method with extreme position control device |
| CN211056442U (en) * | 2019-08-27 | 2020-07-21 | 山东奔速电梯股份有限公司 | Household elevator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101186259A (en) * | 2006-11-24 | 2008-05-28 | 株式会社日立制作所 | Elevator system |
| CN201390579Y (en) * | 2009-01-13 | 2010-01-27 | 西子奥的斯电梯有限公司 | Elevator limiting device |
| CN204938617U (en) * | 2015-07-23 | 2016-01-06 | 南通米兰特电气有限公司 | A kind of elevator anti-surpassed distance triple protection device |
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| CN109552962A (en) * | 2018-12-19 | 2019-04-02 | 宁波昌隆机电有限公司 | A kind of elevator and its control method with extreme position control device |
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| CN111762647A (en) * | 2020-05-29 | 2020-10-13 | 上海史必诺物流设备有限公司 | Electrical safety interlocking loop of vertical conveying system |
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