CN109132771A - Lift car protects system and method - Google Patents
Lift car protects system and method Download PDFInfo
- Publication number
- CN109132771A CN109132771A CN201811252785.6A CN201811252785A CN109132771A CN 109132771 A CN109132771 A CN 109132771A CN 201811252785 A CN201811252785 A CN 201811252785A CN 109132771 A CN109132771 A CN 109132771A
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- China
- Prior art keywords
- lift car
- abnormal
- operating status
- rope
- elevator
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
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- 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
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/06—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical
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- 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
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
- B66B5/185—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces by acting on main ropes or main cables
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- 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
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
- B66B5/24—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces by acting on guide ropes or cables
Abstract
The present invention relates to a kind of lift cars to protect system and method.The abnormal stopping device that lift car protection system includes abnormal detector and connect with abnormal detector；Abnormal detector is used for the operating status of the lift car of detection system in elevator internal contracting brake；Abnormal stopping device is used for when operating status is abnormal moving condition, lift car described in stop；Lift car guard method can be applied to lift car protection system as described above, which comprises when detecting elevator internal contracting brake, obtain the operating status of lift car；If operating status is abnormal moving condition, stop elevator carriage.The lift car is protected in system and method; lift car protects the abnormal detector of system to be used in elevator internal contracting brake; the operating status of the lift car of detection system; when the operating status of lift car is abnormal moving condition; abnormal stopping device stop elevator carriage; the safety for improving lift car protection system, avoids unexpected generation.
Description
Technical field
The present invention relates to machinery fields, protect system and method more particularly to a kind of lift car.
Background technique
Nowadays, gradually increasing with high-rise, elevator have become indispensable transporting equipment in human lives.
However, the elevator accident as caused by accidental movement of elevator cage also occurs again and again, and in today that elevator rapidly develops, elevator safety
The importance used is increasingly shown.
Currently, most of elevator is using band-type brake as protective device, elevator car in accidental movement of elevator cage protection system
When accidental movement occurs for compartment, control system controls band brake apparatus stop elevator, prevents accident.
But there are band-type brake failure, the low problems of safety for traditional accidental movement of elevator cage protection system.
Summary of the invention
Based on this, it is necessary to which, for traditional accidental movement of elevator cage protection system there are band-type brake failure, safety is low
The problem of, a kind of lift car protection system and method are provided.
A kind of lift car protection system, comprising: abnormal detector and the exception being connect with the abnormal detector
Stopping device；The abnormal detector is used in elevator internal contracting brake, detects the operating status of the lift car of the system；
The exception stopping device is used for when the operating status is abnormal moving condition, lift car described in stop.
Lift car protection system provided in this embodiment includes abnormal detector and connect with abnormal detector
Abnormal stopping device, abnormal detector is in elevator internal contracting brake, the operating status of the lift car of detection system；Detecting fortune
When row state is abnormal moving condition, abnormal stopping device stop elevator carriage avoids meaning caused by being failed by elevator internal contracting brake
Outer generation improves the safety of lift car protection system.
The system also includes connection rope, the abnormal detector and the exceptions in one of the embodiments,
Stopping device is connected by the connection rope；
The exception stopping device is used in the surplus that the operating status is abnormal moving condition and the connection rope
When exhausting, lift car described in stop.
The abnormal stopping device includes trigger device and connect with the trigger device in one of the embodiments,
Stopping device；
The trigger device is used to trigger electricity described in the stopping device stop when the surplus of the connection rope exhausts
Terraced carriage.
The stopping device includes rope brake in one of the embodiments,.
The abnormal detector includes the connect respectively with the abnormal stopping device in one of the embodiments,
One abnormality detection wheel and the second abnormality detection wheel；
The first abnormality detection wheel is used to detect the operating status of speed limit device wheel rope；
The second abnormality detection wheel is used to detect the operating status of carriage wheel rope.
A kind of method of lift car protection, the method are applied to lift car described in embodiment as above and protect system,
The described method includes:
When elevator internal contracting brake, the operating status of lift car is obtained；
If the operating status is abnormal moving condition, lift car described in stop.
The method of lift car protection provided in this embodiment, including when elevator internal contracting brake, abnormal detector obtains elevator
The operating status of carriage triggers abnormal stopping device stop elevator if the operating status of lift car is abnormal moving condition
Carriage avoids the unexpected generation caused by elevator internal contracting brake failure, improves the safety of lift car protection system.
The lift car exception moving condition includes that door opening state is extremely mobile, elevator in one of the embodiments,
It arrives at a station extremely mobile after extremely mobile, elevator power loss brake sticking brake after extremely mobile, elevator faults brake sticking brake after brake sticking brake
Any one of.
The operating status for obtaining lift car in one of the embodiments, comprising:
Detect the operating status of lift wheel rope；The lift wheel rope includes speed limit device wheel rope and/or carriage wheel rope；
According to the operating status of the lift wheel rope, the operating status of the lift car is obtained.
The operating status according to the lift wheel rope in one of the embodiments, obtains the lift car
Operating status, comprising:
If the operating status of the speed limit device wheel rope and/or carriage wheel rope is movement, it is determined that the fortune of the lift car
Row state is abnormal moving condition；
If the operating status of the speed limit device wheel rope and carriage wheel rope is static, it is determined that the operation of the lift car
State is stationary state.
Lift car described in the stop in one of the embodiments, comprising:
Whether the surplus of detection connection rope exhausts；The connection rope is for connecting in the lift car protection system
Abnormal detector and abnormal stopping device；
If so, lift car described in stop.
The present embodiment provides in lift car protection system and method, it includes abnormal detector that lift car, which protects system,
The abnormal stopping device connecting with abnormal detector, abnormal detector are used for the electricity of detection system in elevator internal contracting brake
The operating status of terraced carriage, when the operating status of lift car is abnormal moving condition, abnormal stopping device stop elevator sedan-chair
Compartment avoids the unexpected generation caused by elevator internal contracting brake failure, improves the safety of lift car protection system.
Detailed description of the invention
Fig. 1 is that the lift car that one embodiment provides protects system schematic；
Fig. 2 is that the lift car that one embodiment provides protects system schematic；
Fig. 3 is that the lift car that one embodiment provides protects system schematic；
Fig. 4 is the flow diagram of the method for the lift car protection that one embodiment provides；
Fig. 5 is the flow diagram of the method for the lift car protection that one embodiment provides；
Fig. 6 is the flow diagram of the method for the lift car protection that one embodiment provides.
Description of symbols:
Lift car protects system 10；Abnormal detector 100；First abnormality detection wheel 110；
Second abnormality detection wheel 120；Abnormal stopping device 200；Trigger device 210；
Stopping device 220；Elevator internal contracting brake device 300；Lift car 400；
Counterweight 500；Connect rope 600；Speed limit device wheel rope 700；
Carriage wheel rope 800.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
In traditional accidental movement of elevator cage protection system, most of elevator is using band-type brake as protective device, elevator
When accidental movement occurs for carriage, control system controls band brake apparatus stop elevator, prevents accident, but system presence is embraced
Lock failure, the low problem of safety.For this purpose, the embodiment of the present invention provides a kind of lift car protection system and method, it is intended to solve
The certainly technical problem as above of traditional technology.
How technical solution of the present invention and technical solution of the present invention are solved with specific embodiment below above-mentioned
Technical problem is described in detail.These specific embodiments can be combined with each other below, for the same or similar concept
Or process may repeat no more in certain embodiments.Below in conjunction with attached drawing, the embodiment of the present invention is described.
Fig. 1 is that the lift car that one embodiment provides protects system schematic.As shown in Figure 1, lift car protection system
System 10 includes: abnormal detector 100 and the abnormal stopping device 200 that connect with the abnormal detector 100；The exception
Detection device 100 is used in elevator internal contracting brake, detects the operating status of the lift car 400 of the system；The exception stop
Device 200 is used for when the operating status is abnormal moving condition, lift car 400 described in stop.
In the present embodiment, abnormal detector 100 are connect with abnormal stopping device 200, abnormal detector 100 with
Abnormal stopping device 200 can be mechanical connection, for example, being connected by rope, abnormal detector 100 and abnormal stopping device
200 can be electrical connection, for example, be electrically connected by wired or wireless mode etc..The abnormal detector 100 can be in elevator
When 300 band-type brake of band brake apparatus, the operating status of lift car 400 is detected.Optionally, the operating status of lift car 400 can be with
Including abnormal moving condition and stationary state.For example, abnormal detector 100 detects the rope hair of connection lift car 400
Raw deformation, when counterweight 500 is run, it is determined that the operating status of lift car 400 is abnormal moving condition；Detect connection elevator
There is no deformation for the rope of carriage 400, when counterweight 500 is static, it is determined that the operating status of lift car 400 is static shape
State.Optionally, abnormal detector 100 can also be determined by modes such as the speed of detection lift car 400 or acceleration
The operating status of lift car 400.Abnormal stopping device 200 detects the fortune of lift car 400 in abnormal detector 100
When row state is abnormal moving condition, stop elevator carriage 400.Optionally, abnormal stopping device 200 may include detainer and
Other protection devices.
In the present embodiment, lift car protection system includes abnormal detector and connect with abnormal detector different
Normal stopping device, in elevator internal contracting brake, abnormal detector detects the operating status of lift car, in the operation shape of lift car
When state is abnormal moving condition, abnormal detainer stop elevator carriage avoids the unexpected hair caused by elevator internal contracting brake failure
It is raw, improve the safety of lift car protection system.
Fig. 2 is that the lift car that one embodiment provides protects system schematic.As shown in Fig. 2, the system also includes
Rope 600 is connected, the abnormal detector 100 and the abnormal stopping device 200 are connected by the connection rope 600；
The exception stopping device 200 is used in the surplus consumption that the operating status is abnormal moving condition and the connection rope 600
When to the greatest extent, lift car described in stop.
In the present embodiment, lift car protection system 10 further includes connection rope 600, and connection rope 600 can be general
Logical wirerope is also possible to the connection rope of stainless steel wirerope or other materials, abnormal detector 100 and abnormal system
Stop device 200 is connected by connection rope 600, and there are surplus, abnormal stopping device 200 is in the operating status of lift car
Abnormal moving condition, and when the surplus for connecting rope 600 exhausts, stop elevator carriage.Optionally, the remaining of rope 600 is connected
Amount can be set to 400mm, and different surpluses can also be arranged according to different elevator types.
In the present embodiment, lift car protection system further includes connection rope, abnormal detector and abnormal stop dress
It sets through connection rope connection, the operating status of abnormal stopping device lift car in elevator internal contracting brake is abnormal moving condition,
And when the surplus for connecting rope is depleted, stop elevator carriage, emergency stop occurs for lift car when avoiding elevator internal contracting brake failure
The case where, improve the safety of lift car protection system.
In one embodiment, continuing with referring to fig. 2, the exception stopping device 200 include trigger device 210 and with institute
State the stopping device 220 of the connection of trigger device 210；The trigger device 210 is used to exhaust in the surplus of the connection rope 600
When, trigger lift car described in 220 stop of stopping device.
In the present embodiment, abnormal stopping device 200 includes trigger device 210 and connect with the trigger device 210
Stopping device 220.Optionally, trigger device 210 can be mechanical activation device, be also possible to preset electrical trigger device；
Stopping device 220 can be rope brake, be also possible to safety tongs.Trigger device 210 connect rope 600 surplus exhaust when,
Stopping device 220 is triggered, stopping device 220 takes stop measure stop elevator carriage.Optionally, stopping device 220 can be made
Stop elevator speed limiter wire rope, stop it, thus stop elevator carriage.
In the present embodiment, the abnormal stopping device of lift car protection system includes trigger device and connects with trigger device
The stopping device connect, trigger device trigger stopping device when the surplus for connecting rope exhausts, stopping device stop elevator carriage,
The unexpected generation caused by elevator internal contracting brake failure is avoided, the safety of lift car protection system is improved.
In one embodiment, the stopping device 220 includes rope brake.
Specifically, stopping device 220 includes rope brake, when rope brake works, directly by Braking in traction steel wire
On rope, stop elevator.Optionally, rope brake can be installed on old elevator, can also be used in the production process of new elevator.
Optionally, limiter of speed acts when the brake cable that rope brake can be lift car pulls, and lifting steel wire is directly driven to make rope brake
The limiter of speed of movement mechanically triggers rope brake；Limiter of speed issues electric signal, rope brake pressure rope after can also be lift car hypervelocity
Block movement, the electromagnetic type that clamping steel wire rope implements braking trigger rope brake.In the present embodiment, stopping device includes rope brake,
For rope brake by Braking on traction steel-cable, stop elevator avoids the unexpected hair caused by elevator internal contracting brake failure
It is raw, improve the safety of lift car protection system.
Fig. 3 is that the lift car that one embodiment provides protects system schematic.As shown in figure 3, the abnormality detection dress
Setting 100 includes the first abnormality detection wheel 110 and the second abnormality detection wheel 120 connecting respectively with the abnormal stopping device 200；
The first abnormality detection wheel 110 is used to detect the operating status of speed limit device wheel rope；The second abnormality detection wheel 120 is for examining
Survey the operating status of carriage wheel rope.
Specifically, abnormal detector 100 includes being connected respectively with the abnormal stopping device 200 by connection rope 600
The the first abnormality detection wheel 110 and the second abnormality detection wheel 120 connect, and the first abnormality detection wheel 110, the second abnormality detection wheel
120 there are surpluses with the connection rope 600 of abnormal stopping device 200；First abnormality detection wheel 110 and speed limit device wheel rope 700 are same
Step movement, for detecting the operating status of speed limit device wheel rope 700；Second abnormality detection wheel 120 is synchronous with carriage wheel rope 800 dynamic
Make, for detecting the operating status of carriage wheel rope 800.Optionally, the first abnormality detection wheel 110 and the second abnormality detection wheel 120
It can be controlled, the operating status of speed limit device wheel rope 700 and carriage wheel rope 800 can be detected using coil.
In the present embodiment, the first abnormality detection wheel and the second abnormality detection wheel will not be influenced by having a power failure, when power failure still
Can the operating status respectively to speed limit device wheel rope and carriage wheel rope detect, avoid by elevator internal contracting brake fail caused by meaning
Outer generation improves the safety of lift car protection system；In addition, the first abnormality detection wheel and the second abnormality detection wheel are same
When the operating status of speed limit device wheel rope and carriage wheel rope is detected, any operating status can trigger abnormal stop dress extremely
The trigger device set makes abnormal stopping device stop elevator, further improves the safety of lift car protection system.
Fig. 4 is the flow diagram of the method for the lift car protection that one embodiment provides.The present embodiment what is involved is
When elevator internal contracting brake, if the operating condition of lift car is abnormal moving condition, the specific implementation process of stop elevator carriage.Such as figure
Shown in 4, this method comprises:
S401 when elevator internal contracting brake, obtains the operating status of lift car.
Specifically, abnormal detector can be according to the operating status or carriage wheel of speed limit device wheel rope when elevator internal contracting brake
The operating status of rope obtains the operating status of lift car；Alternatively, can also displacement according to lift car, speed, acceleration
Deng obtaining the operating status of lift car.Optionally, the operating status of lift car can be abnormal moving condition, can also be with
It is stationary state.
S402, if the operating status is abnormal moving condition, lift car described in stop.
Specifically, triggering is abnormal when abnormal detector gets the operating status of lift car as abnormal moving condition
The trigger device of stopping device, stop signal of the stopping device of abnormal stopping device according to trigger device, stop elevator carriage.
Optionally, abnormal detector can trigger the triggering of abnormal stopping device by the mechanical connection between abnormal stopping device
Device can also send stop signal to abnormal stopping device, trigger the trigger device of abnormal stopping device.
In the present embodiment, when elevator internal contracting brake, abnormal detector obtains the operating status of lift car, if lift car
Operating status be abnormal moving condition, then trigger stopping device stop elevator carriage, avoiding is caused by elevator internal contracting brake failure
Unexpected generation, improve lift car protection system safety.
On the basis of the above embodiments, as an alternative embodiment, the lift car exception moving condition
, elevator extremely mobile including door opening state arrives at a station extremely mobile, electric after extremely mobile, elevator faults brake sticking brake after brake sticking brake
It is abnormal on the move any after terraced power loss brake sticking brake.
Specifically, door opening state is extremely mobile to refer to elevator under level position door opening state, accident occurs for lift car
It is mobile, for example, entering the carriage stage after elevator door is opened in passenger, band-type brake Problem of Failure occurring, lift car is caused to be anticipated
Outer movement；Elevator arrives at a station after brake sticking brake extremely mobile after referring to that elevator reaches target zone, is not turned in elevator car chamber door
In the case of, lift car is abnormal movement after elevator internal contracting brake braking, for example, band-type brake occurs and loses after elevator response calling is arrived at a station
Effect problem causes lift car that accidental movement occurs；It is extremely mobile after elevator faults brake sticking brake to refer to elevator in operational process
In break down, elevator internal contracting brake braking after lift car be abnormal movement；It is extremely mobile after elevator power loss brake sticking brake to refer to
Elevator elevator power loss in the process of running, lift car is abnormal movement after elevator internal contracting brake braking, for example, the unexpected power loss of elevator
Emergency stop, band-type brake need the elevator of stop high-speed cruising, are easy to happen band-type brake Problem of Failure, lift car is caused to be abnormal movement.
In the present embodiment, after the abnormal detector brake sticking brake that can detecte that door opening state is extremely mobile, elevator arrives at a station
After abnormal mobile, elevator faults brake sticking brake it is extremely mobile after extremely mobile, elevator power loss brake sticking brake in any elevator car
The abnormal moving condition in compartment improves the safety of lift car protection system, avoids meaning caused by being failed by elevator internal contracting brake
Outer generation.
Fig. 5 is the flow diagram of the method for the lift car protection that one embodiment provides.The present embodiment what is involved is
Obtain the specific implementation process of the operating status of lift car.As described in Figure 5, on the basis of the above embodiments, as one kind
Optional embodiment, above-mentioned S401 include:
S501 detects the operating status of lift wheel rope；The lift wheel rope includes speed limit device wheel rope and/or carriage wheel rope.
Specifically, lift wheel rope includes speed limit device wheel rope and/or carriage wheel rope.In the present embodiment, abnormal detector
When detecting elevator internal contracting brake, the operating status of lift wheel rope is detected.Optionally, abnormal detector can detecte speed limit device wheel rope
Or carriage wheel rope；Also speed limit device wheel rope and carriage wheel rope be can detecte.
S502 obtains the operating status of the lift car according to the operating status of the lift wheel rope, if the elevator
The operating status of wheel rope is movement, thens follow the steps S503；If the operating status of the lift wheel rope be it is static, then follow the steps
S504。
Specifically, operating status of the abnormal detector according to the lift wheel rope detected, obtains the operation of lift car
State.Optionally, the operating status of lift wheel rope can be movement, be also possible to static.Optionally, if abnormal detector is examined
The operating status of lift wheel rope is measured as movement, it is determined that the operating status of lift car is movement；If abnormal detector is examined
It is static for measuring the operating status of lift wheel rope, it is determined that the operating status of lift car is static.
S503 determines the operating status of the lift car for abnormal moving condition.
Specifically, if abnormal detector detects that the operating status of speed limit device wheel rope and/or carriage wheel rope is mobile
Determine the operating status of lift car for abnormal moving condition.For example, detecting the operating status of speed limit device wheel rope for movement, sedan-chair
The state of the operation of compartment wheel rope is static, it is determined that the operating status of lift car is abnormal moving condition；Or detect sedan-chair
The state of the operation of compartment wheel rope is movement, and the operating status of speed limit device wheel rope is static, it is determined that the operating status of lift car
For abnormal moving condition；Or detect that the operating status of speed limit device wheel rope and carriage wheel rope is movement, it is determined that elevator
The operating status of carriage is abnormal moving condition.
S504 determines that the operating status of the lift car is stationary state.
Specifically, if abnormal detector detects that speed limit device wheel rope is static, and the operating status of carriage wheel rope is
It is static, it is determined that the operating status of lift car is stationary state.For example, abnormal detector detects the fortune of speed limit device wheel rope
It is static for turning state, and the operating status of carriage wheel rope is movement, it is determined that the operating status of lift car is abnormal mobile shape
State.
In the present embodiment, abnormal detector is after elevator internal contracting brake, according to the operating status of the lift wheel rope detected,
The operating status for determining lift car improves the efficiency for obtaining lift car operating status, so that abnormal stopping device
It can be taken timely measure according to the operating status of lift car, avoid the unexpected generation caused by elevator internal contracting brake failure,
Improve the safety of lift car protection system.
Fig. 6 is a kind of flow diagram of the method for lift car protection that one embodiment provides.The present embodiment is related to
Be stop elevator carriage specific implementation process.As described in Figure 6, on the basis of the above embodiments, as a kind of optional
Embodiment, above-mentioned S402 include:
Whether the surplus of S601, detection connection rope exhaust；The connection rope is for connecting the lift car protection
Abnormal detector and abnormal stopping device in system.
Specifically, the abnormal detector and abnormal stopping device in lift car protection system pass through connection rope connection
And reserve and have a margin, abnormal detector controls abnormal stopping device stop elevator according to the surplus of the connection rope detected
Carriage.For example, the reserved margin of connection rope is 400mm, abnormal detector detects that the reserved 40mm's of connection rope is remaining
When amount exhausts, then abnormal stopping device stop elevator carriage is triggered.
S602, if the surplus of connection rope exhausts, lift car described in stop.
Specifically, triggering the triggering of abnormal stopping device when abnormal detector detects that the surplus of connection rope exhausts
Device, trigger device trigger the stopping device in abnormal stopping device, stop elevator carriage.Optionally, abnormal detector touches
The trigger device for sending out abnormal stopping device can be mechanical triggering, electric can also trigger.
In the present embodiment, setting connection abnormal detector connects the surplus of rope with abnormal stopping device, mainly
In order to which when connection rope surplus does not exhaust, abnormal detector will not trigger abnormal stopping device stop elevator, and not
In the case where triggering abnormal stopping device, after abnormal detector detects, connection rope can be self-healing initial surplus；
In addition, band-type brake can effective stop elevator when, can by the surplus of setting connection rope without abnormal stopping device stop elevator
To avoid abnormal detector false triggering stopping device stop elevator.When the surplus for connecting rope exhausts, abnormal detector
Abnormal stopping device stop elevator is triggered, the safety of lift car protection system is improved.
It should be understood that although each step in the flow chart of Fig. 4-6 is successively shown according to the instruction of arrow,
These steps are not that the inevitable sequence according to arrow instruction successively executes.Unless expressly stating otherwise herein, these steps
Execution there is no stringent sequences to limit, these steps can execute in other order.Moreover, at least one in Fig. 4-6
Part steps may include that perhaps these sub-steps of multiple stages or stage are not necessarily in synchronization to multiple sub-steps
Completion is executed, but can be executed at different times, the execution sequence in these sub-steps or stage is also not necessarily successively
It carries out, but can be at least part of the sub-step or stage of other steps or other steps in turn or alternately
It executes.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of lift car protects system characterized by comprising abnormal detector and connect with the abnormal detector
The abnormal stopping device connect；The abnormal detector is used in elevator internal contracting brake, detects the fortune of the lift car of the system
Row state；
The exception stopping device is used for when the operating status is abnormal moving condition, lift car described in stop.
2. system according to claim 1, which is characterized in that the system also includes connection rope, the abnormality detections
Device and the abnormal stopping device are connected by the connection rope；
It is abnormal moving condition in the operating status that the exception stopping device, which is used for, and the surplus for connecting rope exhausts
When, lift car described in stop.
3. system according to claim 2, which is characterized in that it is described exception stopping device include trigger device and with it is described
The stopping device of trigger device connection；
The trigger device is used to trigger elevator car described in the stopping device stop when the surplus of the connection rope exhausts
Compartment.
4. system according to claim 3, which is characterized in that the stopping device includes rope brake.
5. system according to claim 1-4, which is characterized in that the abnormal detector include respectively with institute
State the first abnormality detection wheel and the second abnormality detection wheel of abnormal stopping device connection；
The first abnormality detection wheel is used to detect the operating status of speed limit device wheel rope；
The second abnormality detection wheel is used to detect the operating status of carriage wheel rope.
6. a kind of method of lift car protection, which is characterized in that the method is applied to as described in claim any one of 1-5
Lift car protects system, which comprises
When elevator internal contracting brake, the operating status of lift car is obtained；
If the operating status is abnormal moving condition, lift car described in stop.
7. according to the method described in claim 6, it is characterized in that, the lift car exception moving condition includes door opening state
Abnormal mobile, elevator arrives at a station after brake sticking brake extremely mobile, elevator power loss band-type brake system after extremely mobile, elevator faults brake sticking brake
It is abnormal on the move any after dynamic.
8. according to the method described in claim 6, it is characterized in that, the operating status for obtaining lift car, comprising:
Detect the operating status of lift wheel rope；The lift wheel rope includes speed limit device wheel rope and/or carriage wheel rope；
According to the operating status of the lift wheel rope, the operating status of the lift car is obtained.
9. according to the method described in claim 8, it is characterized in that, the operating status according to the lift wheel rope, obtains
The operating status of the lift car, comprising:
If the operating status of the speed limit device wheel rope and/or carriage wheel rope is movement, it is determined that the operation shape of the lift car
State is abnormal moving condition；
If the operating status of the speed limit device wheel rope and carriage wheel rope is static, it is determined that the operating status of the lift car
For stationary state.
10. according to the method described in claim 6, it is characterized in that, lift car described in the stop, comprising:
Whether the surplus of detection connection rope exhausts；The connection rope is different in the lift car protection system for connecting
Normal detection device and abnormal stopping device；
If so, lift car described in stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811252785.6A CN109132771B (en) | 2018-10-25 | 2018-10-25 | Elevator car protection system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811252785.6A CN109132771B (en) | 2018-10-25 | 2018-10-25 | Elevator car protection system and method |
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| CN109132771A true CN109132771A (en) | 2019-01-04 |
| CN109132771B CN109132771B (en) | 2020-06-26 |
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| CN201811252785.6A Active CN109132771B (en) | 2018-10-25 | 2018-10-25 | Elevator car protection system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114072344A (en) * | 2019-07-23 | 2022-02-18 | 株式会社日立制作所 | Elevator device |
| CN114072344B (en) * | 2019-07-23 | 2023-09-01 | 株式会社日立制作所 | Elevator device |
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|---|---|
| CN109132771B (en) | 2020-06-26 |
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