CN105270953A - Control device of elevator device, and elevator device thereof - Google Patents
Control device of elevator device, and elevator device thereof Download PDFInfo
- Publication number
- CN105270953A CN105270953A CN201510329751.2A CN201510329751A CN105270953A CN 105270953 A CN105270953 A CN 105270953A CN 201510329751 A CN201510329751 A CN 201510329751A CN 105270953 A CN105270953 A CN 105270953A
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- braking
- reference value
- lift appliance
- car speed
- towing machine
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- Elevator Control (AREA)
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Abstract
The invention provides a control device of an elevator device, and an elevator device thereof. The control device of the elevator device suppresses wearing increase of a vibration component caused by repeated emergency stopping in high-speed operation and prevents braking capability reduction caused by wearing increase, thereby obtaining a stable brake force. The control device of the elevator device applies an action signal on a braking device of the elevator device, wherein the elevator device is provided with a traction machine for lifting an elevator cage and the braking device which applies a braking force on the traction machine. The control device comprises the components of an abnormity detecting part which detects abnormity of the elevator device; an action control part which applies an emergency braking force on the traction machine by means of the braking device when the abnormity of the elevator device is detected; and a meter for storing a reference number of the cage speed and a reference number of braking times. When the abnormity detecting part detects a fact that the cage speed is higher than the reference number of the cage speed when the abnormity is detected, an emergency braking force is applied on the traction machine by means of the braking device; and when the accumulated number of the number-of-times of emergency braking force application is higher than the reference number of braking times, the cage speed is suppressed.
Description
Technical field
The present invention relates to control setup and the lift appliance of lift appliance, particularly use the brake equipment being arranged at towing machine to stablize and reliably perform the control setup of the lift appliance of emergent stopping operation and carry its lift appliance.
Background technology
As the brake equipment of towing machine being arranged at lift appliance, to there will be a known friction means to braked body pushing to carry out the structure of braking, generally make this control setup action when detecting exception thus lift appliance is slowed down.But, be in elevator at a high speed at the running velocity of car, because the kinetic energy of entire system is very large, so the sliding distance of friction means increases when emergency braking.Therefore, there is the abrasion aggravation of friction means, problem that braking potential reduces, under having the state preventing elevator from reducing at braking potential, continue the needs of operation.
To this, in patent documentation 1, the measuring ability as lift appliance is provided with braking potential affirmation mode.In this mode, the brake equipment work being arranged at towing machine is made in elevator runs with command speed, carry out emergent stopping, checked the braking potential of brake equipment by the deceleration/decel and stopping distance measuring car, thus judge whether braking potential exception occurs.
In addition, Patent Document 2 discloses the brake equipment of following elevator hoist: by measuring the holding surface of friction means and the distance of brake surface of brake equipment, detecting this situation when the abrasion aggravation of friction means and notifying monitoring station.
Prior art document
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2011-42480 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2013-79121 publication
Summary of the invention
The problem that invention will solve
Usually, push to carry out the brake equipment braked to braked body about by friction means, during the known aggravation of the abrasion at friction means, braking potential can reduce.
But when the lift appliance for general inversion control mode, during normal operation, the deceleration of car is controlled by the rotating speed based on inversion control of towing machine, brake equipment is only for the maintenance of the car in stopping, and therefore the abrasion of friction means do not increase.But, be in operation when there is abnormal and emergent stopping, due to from the deceleration of car until stop all carrying out the emergency braking utilizing brake equipment, the therefore abrasion aggravation of friction means.Therefore, when elevator recovers, need to check whether the braking potential of brake equipment reduces.
But, in the record of above-mentioned patent documentation 1, owing to needing to make elevator run and emergent stopping when the judgement of braking potential, therefore for car speed be at a high speed, elevator type that the abrasion loss of friction means that causes of emergency braking is larger, there is the problem of to carry out emergency braking in order to the judgement of braking potential and the braking potential of brake equipment can be caused to reduce.In addition, if in order to prevent this problem to be limited in the judgement implementing braking potential in the little speed of the abrasion loss of friction means, then there is the problem judging that precision is low.
In addition, in the record of above-mentioned patent documentation 2, due to the switch needing the distance arranging detection holding surface and brake surface near the external friction face of brake device for elevator in addition to change, therefore there is the other problems such as device entirety maximizes, brake structural applicatory is restricted.
The present invention proposes in view of above-mentioned the problems of the prior art, its object is to brake equipment and lift appliance that lift appliance is provided, it can not be applied by braking structure influence, the abrasion of friction means of repeatedly carrying out causing of the emergent stopping from high-speed cruising can be suppressed to aggravate, the braking potential preventing this impact from causing declines, thus can obtain stable braking force.
For solving the technical scheme of problem
In order to reach above-mentioned purpose, the invention provides a kind of control setup of lift appliance, it applies actuating signal to the above-mentioned brake equipment of the lift appliance with the towing machine making lift car be elevated and the brake equipment above-mentioned towing machine being applied to braking force,
Wherein, above-mentioned control setup comprises: the abnormity detection portion detecting the exception of above-mentioned lift appliance; When detecting the exception of above-mentioned lift appliance via the operation control part of above-mentioned brake equipment to above-mentioned towing machine apply the emergency brake power; With the table of a reference value of a reference value and braking number of times that store car speed, when car speed when above-mentioned abnormity detection portion detects exception is more than a reference value of above-mentioned car speed, via above-mentioned brake equipment to above-mentioned towing machine apply the emergency brake power, when the aggregate-value of the number of times of apply the emergency brake power is more than a reference value of above-mentioned braking number of times, the above-mentioned car speed after restriction.
Invention effect
By the present invention, can provide suppress emergent stopping from high-speed cruising repeatedly carry out cause the abrasion of friction means to aggravate, the brake equipment of the lift appliance of the decline of the braking potential that prevents this impact from causing and lift appliance.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the structure representing lift appliance and its control setup.
Fig. 2 is the diagram of circuit of the judgement process of operation control part when representing urgent.
Detailed description of the invention
Based on accompanying drawing, embodiments of the invention are described below.
(embodiment)
As shown in Figure 1, lift appliance 1 comprises: the car 3 of lifting in the hoist trunk 2 be formed in building; By the counterweight 5 that main hoist cable 4 links with car 3; Be arranged at the towing machine 11 in the Machine Room of the top of hoist trunk 2 setting, by the main hoist cable 4 that reels, car 3 and counterweight 5 being elevated; Be arranged near towing machine 11, set up the wheel flutter 6 of main hoist cable 4.
And then the towing machine 11 of lift appliance 1 comprises: the rope sheave 12 of the main hoist cable 4 that reels; Make the not shown electrical motor that rope sheave 12 rotates; The braked body 13 that the electrical motor identical with the S. A. of rope sheave 12 with S. A. rotates integratedly; With the brake equipment 14 braked the rotation of braked body 13.
In the embodiment in figure 1, brake equipment 14 applies braking force when running and stopping to the braked body 13 of towing machine 11.Brake equipment 14 is arranged at towing machine 11, forms the magnet stopper of the electrical motor applying braking force of towing machine 11 by when stopping.In addition, for the concrete structure of these towing machines 11, braked body 13 and brake equipment 14, owing to there is no direct relation with the present invention therefore omitting.
On the other hand, the control setup 7 of lift appliance 1 comprises the computing machine having carried CPU, ROM, RAM etc., is arranged in Machine Room etc. together with towing machine 11.This control setup 7 has operation controlling functions when lift appliance 1 runs usually, and has in case of emergency for stopping each function of the abnormity detection portion 22, operation control part 23 and the exterior portion 24 that control.
Operation during in order to usually run controls and stopping in emergency circumstances controlling, and the running velocity that the control setup 7 of lift appliance 1 is taken into car 3 inputs as it.Therefore, arrange in lift appliance 1 side with the action of car 3 in linkage, the governor (governor) 15 to be driven by governor rope 16.This governor 15 is arranged in order to the running velocity of measuring and adjustation car 3, is provided with speed detector 21 at governor 15.This speed detector 21 detects the rotating speed of governor 15 and outputs to the operation control part 23 of control setup 7.
Operation control part 23 in control setup 7, first calculates the speed of car 3 according to the revolution of governor 15.On this basis, when usually running, drive singal S1 is applied to the not shown electrical motor making the rope sheave 12 of towing machine 11 rotate, the rotating speed of electrical motor is controlled in expectation value.In addition, due to control when the present invention pays close attention to urgent, therefore the detailed description of operation control when usually running is omitted.
In order to carry out the reply process of control setup 7 in emergency circumstances, the abnormity detection portion 22 in control setup 7 detects the unit exception of the operation stopping must carrying out lift appliance 1 and controls abnormal.Washout S2, when detecting abnormal by abnormity detection portion 22, is put on the brake equipment 14 arranged at towing machine 11, controls its action by apply the emergency brake power by operation control part 23.In addition, also can when sending washout S2, drive singal S1 for towing machine is also reduced rapidly based on washout S2, and consequently lift appliance 1 carries out these two kinds of shut-down operations of rapid shut-down operation of utilizing the rapid shut-down operation of inverter and utilizing brake equipment.
In addition, in FIG, in order to carry out the judgement process of operation control part 23 in emergency circumstances, the datum velocity etc. of car speed when storing emergent stopping in table 24.Operation control part 23, with reference to this table 24, when the emergency braking number of times in the running state more than the car speed specified reaches certain value, limits the command speed of later elevator.
Fig. 2 is the diagram of circuit of the process action of control setup 7 when representing that emergent stopping occurs.This figure is used to be described the treatment scheme of operation control part 23 when emergent stopping occurs.In addition, by for the control setup 7 of computing machine reads in regulated procedure and perform the process shown in following each diagram of circuit.
In the step S101 that Fig. 2 starts most, the exception that the operation of lift appliance 1 must be made to stop is detected by abnormity detection portion 22, operation control part 23 receives this information and sends control setup action command S2 (washout S2) in step s 102, makes brake equipment 14 action in step S103.In addition, in the process of step S102, while sending washout S2, the drive singal S1 being sent to traction pusher side is made also to reduce rapidly to be also actv. based on washout S2.
In the process of step S104, read in the velocity amplitude Vc (detection speed) of the car 3 that speed detector 21 detects in the moment (braking start time) of the action confirming brake equipment 14.In addition, read in opportunity about this, this reads in and can carry out in linkage with the abnormality detection of abnormity detection portion 22, such as when step S102 or step S103 time carry out.The speed measured when step S102 and step S103 can produce some errors, but this difference can be susceptible in advance.
Then, the speed data V0 (datum velocity) be set in advance in exterior portion 4 is taken in step S105.In step s 106, the magnitude relationship of detection speed Vc and datum velocity V0 is judged.In addition, the velocity amplitude of the car 3 detected during brake equipment 14 action herein and detection speed Vc are braking commencing speed.
The result that compares to determine in step S106 is that braking commencing speed Vc is when being more than datum velocity V0, to accumulative emergency braking times N counting+1 in step S107Y, when braking commencing speed Vc lower than datum velocity V0, in step S107Y, not changing the value of accumulative emergency braking times N and maintain.Store the emergency braking number of times from high-speed cruising more than datum velocity thus.
Then, read the emergency braking time logarithmic data N0 (accumulative emergency braking benchmark number of times) of setting in table 24 in step S108, in step S109, judge the magnitude relationship of accumulative emergency braking times N and accumulative emergency braking benchmark times N 0.
Result of determination in step S109 is accumulative emergency braking times N when being accumulative emergency braking benchmark times N more than 0, carries out step S110Y.When step S110Y is selected, from this moment, command speed Vmax is limited to V ' by operation control part 23 after recovering and runs by elevator.And the circular carried out in step S111 to service companies, reminds service personnel to carry out readjusting of brake equipment thus.
On the other hand, the result of determination in step S109 is accumulative emergency braking times N when being less than accumulative emergency braking benchmark times N 0, does not change the value of command speed and continue the operation of elevator in step S110N.
Like this, after emergency braking number of times more than specified car speed reaches certain value, run with limiting command speed by operation control part 23 after elevator recovers, the emergent stopping in high-speed cruising can be suppressed thus repeatedly to carry out and cause the abrasion of friction means to aggravate, prevent it from affecting the decline of the braking potential caused.
In addition, the a reference value of datum velocity V0 now and accumulative emergency braking benchmark times N 0, according to the specific wearability data of the structure of applied elevator specification, brake equipment, rated braking torque and friction means, in the scope that the braking potential being set in brake equipment can not reduce.
By the treatment scheme of above-mentioned Fig. 2, lift appliance only counts the emergency braking number of times of (exceeding the speed range of datum velocity V0) during high-speed cruising and adds up, when this cumulative number exceedes benchmark number of times, the command speed ground operation that restriction lift appliance is later.Specified running velocity after being now limited can lower than datum velocity V0, even if the emergency braking consequently occurred in specified running velocity also can make the impact of the abrasion on brake equipment be limited in Min..
In addition, by the abrasiveness of brake equipment can be confirmed with the contact (step S111) of service companies, result proceeds this confined specified running velocity state until the safe operation such as replacing of brake equipment is confirmed, and is returned to original high-speed cruising state by the confirmation of service personnel.
In addition, in the design of reality, datum velocity V0 and accumulative emergency braking benchmark times N 0 consider that the abrasion of brake equipment set, and about preferred reference speed V0 is set in 60 to 90% of command speed, accumulative emergency braking benchmark times N 0 is about 10 times.In addition, car speed when restriction when reaching accumulative emergency braking benchmark times N more than 0 runs preferably is arranged on about 50% of below datum velocity V0 and runs.
In the present invention formed like this, can suppress repeatedly carry out emergent stopping and cause the abrasion of friction means to increase during high-speed cruising, can prevent it from affecting the decline of the braking potential caused.In addition, with arrange near friction face detect the switch that friction face changes with the distance of brake surface mode compared with, the present invention does not need to arrange other device in brake equipment, therefore, it is possible to the miniaturization of implement device entirety.
The effect of the present invention and embodiment is described in detail further.Usually, the specific wearability of the friction means of the resene used in the brake equipment of known electric ladder device has the more high temperature tendency that then specific wearability is larger, the abrasion loss of the friction means of brake equipment with press relevant with sliding distance to the pressing surface of braked body.
The sliding distance of friction means during emergency braking is relevant with the kinetic energy that the entire system of lift appliance has, and when the command speed of elevator becomes 2 times, the sliding distance of friction means becomes about 4 times.Add that the friction heat produced in braking makes friction face become high temperature, therefore the specific wearability of friction means increases, abrasion aggravation.
Therefore, when worrying to cause damage to friction means because of the emergency braking repeatedly in high-speed cruising, temporarily running in the mode of the command speed limiting elevator, to the aggravation of the abrasion suppressing friction means, there is very large effect.And the decline by preventing it from affecting the braking potential caused, stable braking force can be obtained.
Then be described for distortion of the present invention, alternate embodiment.The present invention is not limited to above-described embodiment, comprises the various modes that can expect under the condition not departing from purport of the present invention.Such as speed detector 21 is arranged at governor 15 in the present embodiment, but also can be arranged at the electrical motor of other device such as towing machine.
In addition, also multiple datum velocity V0 and accumulative emergency braking benchmark times N 0 can be set respectively, such as when there being two kinds (V0, V0 ' and N0, N0 '), after the judgement (step S109) of the accumulative emergency braking times N shown in Fig. 2, repeat the judgement (step S105 ~ S109) to next datum velocity V0 ', accumulative emergency braking benchmark times N 0 '.Now, also respective stored count number of times can be utilized to judge (step S109) to two kinds logarithmic datas N1, N2.
In addition, control setup 7 of the present invention is not limited to be applied to the lift appliance being configured with towing machine in the Machine Room at hoist trunk 2 top, is also applicable to the lift appliance configuring towing machine in hoist trunk.Now, control setup 7, towing machine 11 and governor are arranged in hoist trunk 2, and other structure is identical with embodiments of the invention.
Description of reference numerals
1 ... lift appliance
2 ... hoist trunk
3 ... car
4 ... main hoist cable
5 ... counterweight
6 ... wheel flutter
7 ... control setup
11 ... towing machine
12 ... rope sheave
13 ... braked body
14 ... brake equipment
15 ... governor
16 ... governor rope
21 ... speed detector
22 ... abnormal detector
23 ... motion control device
24 ... table.
Claims (9)
1. the control setup of a lift appliance, it applies actuating signal to the described brake equipment of the lift appliance with the towing machine making lift car be elevated and the brake equipment described towing machine being applied to braking force, and the feature of the control setup of described lift appliance is:
Described control setup comprises: the abnormity detection portion detecting the exception of described lift appliance; When detecting the exception of described lift appliance via the operation control part of described brake equipment to described towing machine apply the emergency brake power; With the table of a reference value of a reference value and braking number of times that store car speed,
When car speed when described abnormity detection portion detects exception is more than a reference value of described car speed, via described brake equipment to described towing machine apply the emergency brake power, when the aggregate-value of the number of times of apply the emergency brake power is more than a reference value of described braking number of times, the car speed after restriction.
2. the control setup of lift appliance as claimed in claim 1, is characterized in that:
Car speed after being limited is set to a reference value lower than described car speed.
3., as the control setup of lift appliance according to claim 1 or claim 2, it is characterized in that:
The a reference value of described car speed and a reference value of described braking number of times are determined according to the abrasiveness of described brake equipment.
4. a lift appliance, it comprises: make the towing machine that lift car is elevated; Described towing machine is applied to the brake equipment of braking force; With the control setup described brake equipment being applied to actuating signal, the feature of this lift appliance is:
Described control setup comprises: the abnormity detection portion detecting abnormal elevator; When described abnormity detection portion detects abnormal elevator via the operation control part of described brake equipment to described towing machine apply the emergency brake power; With the table of a reference value of a reference value and braking number of times that store car speed,
When car speed when described abnormity detection portion detects exception is more than a reference value of described car speed, via described brake equipment to described towing machine apply the emergency brake power, when the aggregate-value of the number of times of apply the emergency brake power is more than a reference value of described braking number of times, the car speed after restriction.
5. lift appliance as claimed in claim 4, is characterized in that:
Car speed after being limited is set to a reference value lower than described car speed.
6., as claim 4 or lift appliance according to claim 5, it is characterized in that:
The a reference value of described car speed and a reference value of described braking number of times are determined according to the abrasiveness of described brake equipment.
7. a lift appliance, it comprises: make the towing machine that lift car is elevated; With the brake equipment described towing machine being applied to braking force, the feature of this lift appliance is:
When car speed when detecting abnormal elevator is more than its a reference value, via described brake equipment to towing machine apply the emergency brake power, when the number of times of apply the emergency brake power is more than stipulated number, the car speed after restriction.
8. lift appliance as claimed in claim 7, is characterized in that:
Described towing machine is driven by inversion drive motor, and when detecting abnormal elevator, the deceleration utilizing described inversion drive motor to carry out described towing machine controls.
9. lift appliance as claimed in claim 8, is characterized in that:
When car speed when detecting abnormal elevator is lower than its a reference value, the deceleration utilizing described inversion drive motor to carry out described towing machine controls.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014123072A JP6302363B2 (en) | 2014-06-16 | 2014-06-16 | Elevator device and control device for elevator device |
| JP2014-123072 | 2014-06-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105270953A true CN105270953A (en) | 2016-01-27 |
| CN105270953B CN105270953B (en) | 2018-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510329751.2A Active CN105270953B (en) | 2014-06-16 | 2015-06-15 | The control device and lift appliance of lift appliance |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6302363B2 (en) |
| CN (1) | CN105270953B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109019232A (en) * | 2018-09-07 | 2018-12-18 | 江苏蒙哥马利电梯有限公司 | A kind of express elevator can decelerating electron safety tongs system and method |
| CN110361208A (en) * | 2018-03-26 | 2019-10-22 | 上海三菱电梯有限公司 | The test method and device for the method for lift car emergency braking apparatus |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6496265B2 (en) * | 2016-03-28 | 2019-04-03 | 株式会社日立製作所 | Elevator equipment |
| JP6750689B2 (en) * | 2016-12-26 | 2020-09-02 | 三菱電機株式会社 | Elevator control system |
| CN106680005A (en) * | 2016-12-26 | 2017-05-17 | 中国矿业大学 | Dynamic monitoring device for braking process of high-speed elevator in kilometer-depth deep well |
| CN110759200A (en) * | 2019-10-29 | 2020-02-07 | 迅达（中国）电梯有限公司 | Machine-room-less elevator braking force verification device |
| CN113003350B (en) * | 2021-03-29 | 2022-11-25 | 广州广日电梯工业有限公司 | Elevator safety control method and elevator safety control device |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP6302363B2 (en) | 2018-03-28 |
| JP2016003092A (en) | 2016-01-12 |
| CN105270953B (en) | 2018-06-15 |
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